1a3l:H     (VAL2) to   (SER112)  CATALYSIS OF A DISFAVORED REACTION: AN ANTIBODY EXO DIELS- ALDERASE-TSA-INHIBITOR COMPLEX AT 1.95 A RESOLUTION  |   DIELS-ALDER, DISFAVORED REACTION, CATALYTIC ANTIBODY, IMMUNOGLOBULIN 
1a3r:H     (VAL2) to   (SER112)  FAB FRAGMENT (ANTIBODY 8F5) COMPLEXED WITH PEPTIDE FROM HUMAN RHINOVIRUS (SEROTYPE 2) VIRAL CAPSID PROTEIN VP2 (RESIDUES 156-170)  |   IMMUNOGLOBULIN, ANTIBODY, RHINOVIRUS, NEUTRALIZATION, CONTINUOUS EPITOPE, COMPLEX (IMMUNOGLOBULIN/VIRAL PEPTIDE), VIRAL PROTEIN/IMMUNE SYSTEM COMPLEX 
3eak:A     (GLN1) to   (SER127)  NBBCII10 HUMANIZED (FGLA MUTANT)  |   ANTIBODY, NANOBODY, HUMANIZATION, VHH DOMAIN, IMMUNE SYSTEM 
3eak:B     (GLN1) to   (SER127)  NBBCII10 HUMANIZED (FGLA MUTANT)  |   ANTIBODY, NANOBODY, HUMANIZATION, VHH DOMAIN, IMMUNE SYSTEM 
2oi9:C     (ALA3) to   (LEU117)  STRUCTURE OF THE 2C/LD/QL9 ALLOGENEIC COMPLEX  |   TCR, MHC, IMMUNE SYSTEM 
1ae6:H     (GLN3) to   (SER112)  IGG-FAB FRAGMENT OF MOUSE MONOCLONAL ANTIBODY CTM01  |   IMMUNOGLOBULIN, FAB FRAGMENT, HUMANISATION 
3eff:D     (GLN3) to   (SER123)  THE CRYSTAL STRUCTURE OF FULL-LENGTH KCSA IN ITS CLOSED CONFORMATION  |   FULL LENGTH KCSA, BULGE HELIX, CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE- GATED CHANNEL, MEMBRANE PROTEIN 
1nj9:B     (VAL2) to   (SER112)  COCAINE HYDROLYTIC ANTIBODY 15A10  |   IMMUNOGLOBULIN, IMMUNE SYSTEM 
4wo4:D     (VAL3) to   (GLU124)  THE MOLECULAR BASES OF DELTA/ALPHA BETA T CELL-MEDIATED ANTIGEN RECOGNITION.  |   IMMUNITY, IMMUNE SYSTEM 
1ao7:D     (LYS1) to   (GLN119)  COMPLEX BETWEEN HUMAN T-CELL RECEPTOR, VIRAL PEPTIDE (TAX), AND HLA-A 0201  |   CLASS I MHC, T-CELL RECEPTOR, VIRAL PEPTIDE, COMPLEX (MHC-VIRAL PEPTIDE-RECEPTOR, COMPLEX (MHC-VIRAL PEPTIDE-RECEPTOR) COMPLEX 
1nqb:A     (VAL2) to   (SER119)  TRIVALENT ANTIBODY FRAGMENT  |   ANTIBODY FRAGMENT, MULTIVALENT ANTIBODY, DIABODY, DOMAIN SWAPPING, IMMUNOGLOBULIN 
2otw:C     (LEU2) to   (VAL114)  CRYSTAL STRUCTURE OF FV POLYGLUTAMINE COMPLEX  |   ANTIBODY, POLYGLUTAMINE, COMPLEX, IMMUNE SYSTEM 
1axs:B     (VAL2) to   (SER112)  MATURE OXY-COPE CATALYTIC ANTIBODY WITH HAPTEN  |   OXY-COPE, CATALYTIC ANTIBODY, FAB FRAGMENT 
1b4j:H     (VAL2) to   (SER116)  COMPARISON OF THE THREE-DIMENSIONAL STRUCTURES OF A HUMANIZED AND A CHIMERIC FAB OF AN ANTI-GAMMA-INTERFERON ANTIBODY  |   ANTIBODY ENGINEERING, HUMANIZED AND CHIMERIC ANTIBODIES, FAB, X-RAY STRUCTURES, GAMMA-INTERFERON 
3esv:F  (GLN1003) to  (SER1112)  CRYSTAL STRUCTURE OF THE ENGINEERED NEUTRALIZING ANTIBODY M18  |   SINGLE-CHAIN FV, MONOCLONAL ANTIBODY, IMMUNOGLOBULIN, IMMUNE SYSTEM 
4hk0:B     (SER2) to   (VAL107)  UCA FAB (UNBOUND) FROM CH65-CH67 LINEAGE  |   FAB FRAGMENT, IMMUNE SYSTEM 
4hkb:C     (GLN3) to   (SER125)  CH67 FAB (UNBOUND) FROM THE CH65-67 LINEAGE  |   FAB FRAGMENT, IMMUNE SYSTEM 
3f5w:A     (GLN3) to   (SER117)  KCSA POTASSIUM CHANNEL IN THE OPEN-INACTIVATED STATE WITH 32 A OPENING AT T112  |   POTASSIUM CHANNEL, KCSA, OPEN, INACTIVATED, CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, MEMBRANE PROTEIN-METAL TRANSPORT COMPLEX 
4x7e:C     (ASP1) to   (SER119)  CRYSTAL STRUCTURE OF NOROVIRUS GII.10 P DOMAIN IN COMPLEX WITH NANO-85  |   NANOBODY, VHH DOMAIN, NOROVIRUS, PROTRUDING DOMAIN, VIRAL PROTEIN 
4x7e:D     (ASP1) to   (SER119)  CRYSTAL STRUCTURE OF NOROVIRUS GII.10 P DOMAIN IN COMPLEX WITH NANO-85  |   NANOBODY, VHH DOMAIN, NOROVIRUS, PROTRUDING DOMAIN, VIRAL PROTEIN 
3f7y:A     (GLN3) to   (SER117)  KCSA POTASSIUM CHANNEL IN THE PARTIALLY OPEN STATE WITH 17 A OPENING AT T112  |   KCSA, OPEN, INACTIVATION, POTASSIUM CHANNEL, CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, MEMBRANE PROTEIN-METAL TRANSPORT COMPLEX 
3s96:A     (ILE2) to   (SER118)  CRYSTAL STRUCTURE OF 3B5H10  |   FAB, HUNTINGTIN, IMMUNE SYSTEM 
3s96:C     (ILE2) to   (SER118)  CRYSTAL STRUCTURE OF 3B5H10  |   FAB, HUNTINGTIN, IMMUNE SYSTEM 
1oau:H     (VAL2) to   (VAL118)  FV STRUCTURE OF THE IGE SPE-7 IN COMPLEX WITH DNP-SER (IMMUNISING HAPTEN)  |   IMMUNE SYSTEM, ANTIBODY/COMPLEX, ANTIBODY, ALLERGY, IGE, CONFORMATIONAL DIVERSITY, MULTISPECIFICITY 
1oau:J     (VAL2) to   (VAL118)  FV STRUCTURE OF THE IGE SPE-7 IN COMPLEX WITH DNP-SER (IMMUNISING HAPTEN)  |   IMMUNE SYSTEM, ANTIBODY/COMPLEX, ANTIBODY, ALLERGY, IGE, CONFORMATIONAL DIVERSITY, MULTISPECIFICITY 
1oax:H     (VAL2) to   (VAL118)  FV STRUCTURE OF THE IGE SPE-7 IN COMPLEX WITH ACENAPHTHENEQUINONE  |   IMMUNE SYSTEM, ANTIBODY-COMPLEX, ANTIBODY, ALLERGY, IGE 
1oax:J     (VAL2) to   (VAL118)  FV STRUCTURE OF THE IGE SPE-7 IN COMPLEX WITH ACENAPHTHENEQUINONE  |   IMMUNE SYSTEM, ANTIBODY-COMPLEX, ANTIBODY, ALLERGY, IGE 
3fb6:A     (GLN3) to   (SER117)  KCSA POTASSIUM CHANNEL IN THE PARTIALLY OPEN STATE WITH 16 A OPENING AT T112  |   KCSA, OPEN, INACTIVATION, POTASSIUM CHANNEL, CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, MEMBRANE PROTEIN-METAL TRANSPORT COMPLEX 
3fb8:A     (GLN3) to   (SER117)  KCSA POTASSIUM CHANNEL IN THE OPEN-CONDUCTIVE STATE WITH 20 A OPENING AT T112 IN THE PRESENCE OF RB+ ION  |   KCSA, OPEN, INACTIVATION, POTASSIUM CHANNEL, CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, MEMBRANE PROTEIN-METAL TRANSPORT COMPLEX 
4xak:D     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF POTENT NEUTRALIZING ANTIBODY M336 IN COMPLEX WITH MERS CO-V RBD  |   MERS-COV RBD, ANTIBODY M336, NEUTRALIZATION, IMMUNE SYSTEM 
2bx5:A     (ASP1) to   (ILE106)  IS FR1 THE ANTIBODY'S ACHILLIES HEEL  |   IMMUNE SYSTEM, AMYLOID, LCDD, ANTIBODY, AGGREGATION, FR1 
4xcn:C     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN 4E10 FAB IN COMPLEX WITH PHOSPHATIDIC ACID (06:0 PA); 2.9 A RESOLUTION  |   HUMAN ANTI GP41 HIV-1 4E10 FAB, MEMBRANE LIPIDS, PHOSPHATIDIC ACID, IMMUNE SYSTEM 
3ffd:A     (VAL2) to   (SER117)  STRUCTURE OF PARATHYROID HORMONE-RELATED PROTEIN COMPLEXED TO A NEUTRALIZING MONOCLONAL ANTIBODY  |   PTHRP COMPLEXED TO FAB, CLEAVAGE ON PAIR OF BASIC RESIDUES, HORMONE, NUCLEUS, SECRETED, IMMUNE SYSTEM-HORMONE COMPLEX 
4i0c:D     (GLN3) to   (SER125)  THE STRUCTURE OF THE CAMELID ANTIBODY CABHUL5 IN COMPLEX WITH HUMAN LYSOZYME  |   BETA-BARREL, ALPHA-BETA PROTEIN, IMMUNE RECOGNITION, GLYCOSIDASE, IMMUNE SYSTEM-HYDROLASE COMPLEX 
2c1p:B     (VAL2) to   (SER112)  FAB-FRAGMENT OF ENANTIOSELECTIVE ANTIBODY COMPLEXED WITH FINROZOLE  |   FAB FRAGMENT, ENANTIOSELECTIVE, FINROZOLE, IMMUNE SYSTEM, ANTIBODY, ENANTIOSELECTIVE ANTIBODY, IMMUNOGLOBULIN DOMAIN 
2c1p:H     (VAL2) to   (SER112)  FAB-FRAGMENT OF ENANTIOSELECTIVE ANTIBODY COMPLEXED WITH FINROZOLE  |   FAB FRAGMENT, ENANTIOSELECTIVE, FINROZOLE, IMMUNE SYSTEM, ANTIBODY, ENANTIOSELECTIVE ANTIBODY, IMMUNOGLOBULIN DOMAIN 
4xhj:D     (VAL2) to   (SER119)  GHGL OF VARICELLA-ZOSTER VIRUS IN COMPLEX WITH HUMAN NEUTRALIZING ANTIBODIES.  |   COMPLEX, NEUTRALIZATION EPITOPES, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4i2x:B     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF SIGNAL REGULATORY PROTEIN GAMMA (SIRP-GAMMA) IN COMPLEX WITH FABOX117  |   PROTEIN-FAB COMPLEX, STRUCTURAL GENOMICS, OXFORD PROTEIN PRODUCTION FACILITY, OPPF, SIGNAL REGULATORY PROTEIN, CD47, CELL SURFACE, IMMUNE SYSTEM 
4i2x:D     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF SIGNAL REGULATORY PROTEIN GAMMA (SIRP-GAMMA) IN COMPLEX WITH FABOX117  |   PROTEIN-FAB COMPLEX, STRUCTURAL GENOMICS, OXFORD PROTEIN PRODUCTION FACILITY, OPPF, SIGNAL REGULATORY PROTEIN, CD47, CELL SURFACE, IMMUNE SYSTEM 
3sjv:I     (GLU3) to   (VAL121)  CRYSTAL STRUCTURE OF THE RL42 TCR IN COMPLEX WITH HLA-B8-FLR  |   T CELL, IMMUNE SYSTEM 
3sjv:N     (GLU3) to   (PRO123)  CRYSTAL STRUCTURE OF THE RL42 TCR IN COMPLEX WITH HLA-B8-FLR  |   T CELL, IMMUNE SYSTEM 
3skn:E     (GLU3) to   (PRO123)  CRYSTAL STRUCTURE OF THE RL42 TCR UNLIGANDED  |   T CELL RECEPTOR, IMMUNE SYSTEM 
3fmg:H     (VAL2) to   (SER122)  STRUCTURE OF ROTAVIRUS OUTER CAPSID PROTEIN VP7 TRIMER IN COMPLEX WITH A NEUTRALIZING FAB  |   ANTIBODY-ANTIGEN COMPLEX, CALCIUM DEPENDENT TRIMER, ANTIPARALLEL BETA-SANDWICH, JELLY ROLL, ALPHA-BETA-ALPHA SANDWICH, ROSSMANN FOLD, CAPSID PROTEIN, ENDOPLASMIC RETICULUM, GLYCOPROTEIN, MEMBRANE, TRANSMEMBRANE, VIRION, IMMUNE SYSTEM 
1cgs:H     (VAL2) to   (VAL114)  LOCAL AND TRANSMITTED CONFORMATIONAL CHANGES ON COMPLEXATION OF AN ANTI-SWEETENER FAB  |   IMMUNOGLOBULIN 
3fo0:H     (VAL2) to   (VAL119)  CRYSTAL STRUCTURE OF HAPTEN COMPLEX OF CATALYTIC ELIMINATION ANTIBODY 13G5 (WILD-TYPE)  |   IMMUNOGLOBULIN, CATALYTIC ANTIBODY, CHIMERIC FAB, HAPTEN COMPLEX, ACID BASE CATALYSIS, PROTON TRANSFER, IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM 
4i77:H     (VAL2) to   (SER112)  LEBRIKIZUMAB FAB BOUND TO IL-13  |   IMMUNOGLOBULIN, IMMUNE SYSTEM RECOGNITION, IMMUNE SYSTEM-CYTOKINE COMPLEX 
1cl7:H     (ILE2) to   (SER112)  ANTI HIV1 PROTEASE FAB  |   FAB FRAGMENT, CROSS-REACTIVITY, HIV1 PROTEASE, ENZYME INHIBITION, IMMUNOGLOBULIN, IMMUNE SYSTEM 
1cr9:H     (LYS3) to   (SER109)  CRYSTAL STRUCTURE OF THE ANTI-PRION FAB 3F4  |   ANTI-PRION ANTIBODY, FAB 3F4, IMMUNE SYSTEM 
1cu4:H     (LYS3) to   (SER109)  CRYSTAL STRUCTURE OF THE ANTI-PRION FAB 3F4 IN COMPLEX WITH ITS PEPTIDE EPITOPE  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
4xmn:H    (GLN29) to   (SER149)  STRUCTURE OF THE YEAST COAT NUCLEOPORIN COMPLEX, SPACE GROUP P212121  |   STRUCTURAL PROTEIN, PROTEIN TRANSPORT 
2q86:C     (GLN2) to   (PRO109)  STRUCTURE OF THE MOUSE INVARIANT NKT CELL RECEPTOR VALPHA14  |   INKT CELLS, TCR, GLYCOLIPID RECOGNITION, INNATE IMMUNITY, IMMUNE SYSTEM 
2q8b:H     (GLN3) to   (SER111)  STRUCTURE OF THE MALARIA ANTIGEN AMA1 IN COMPLEX WITH A GROWTH- INHIBITORY ANTIBODY  |   ANTIGEN-ANTIBODY COMPLEX, IMMUNE SYSTEM 
4xnu:H     (VAL2) to   (SER118)  X-RAY STRUCTURE OF DROSOPHILA DOPAMINE TRANSPORTER IN COMPLEX WITH NISOXETINE  |   INTEGRAL MEMBRANE PROTEIN, ALL-ALPHA HELICAL ANTIDEPRESSANT COMPLEX, TRANSPORT PROTEIN-INHIBITOR COMPLEX 
4xnz:H     (LEU4) to   (SER119)  CRYSTAL STRUCTURE OF BROADLY AND POTENTLY NEUTRALIZING ANTIBODY VRC06B IN COMPLEX WITH HIV-1 CLADE A/E STRAIN 93TH057 GP120  |   ANTIBODY, HIV-1, IMMUNE SYSTEM 
4xnz:L     (ILE2) to   (ILE101)  CRYSTAL STRUCTURE OF BROADLY AND POTENTLY NEUTRALIZING ANTIBODY VRC06B IN COMPLEX WITH HIV-1 CLADE A/E STRAIN 93TH057 GP120  |   ANTIBODY, HIV-1, IMMUNE SYSTEM 
1d5i:H     (VAL2) to   (SER112)  UNLIGANDED GERMLINE PRECURSOR OF AN OXY-COPE CATALYTIC ANTIBODY  |   IMMUNE SYSTEM 
4xp6:H     (VAL2) to   (VAL117)  X-RAY STRUCTURE OF DROSOPHILA DOPAMINE TRANSPORTER BOUND TO PSYCHOSTIMULANT METHAMPHETAMINE  |   INTEGRAL MEMBRANE PROTEIN, ALL-ALPHA HELICAL ANTIDEPRESSANT COMPLEX, TRANPORT PROTEIN-INHIBITOR COMPLEX 
4xpf:H     (VAL2) to   (SER118)  X-RAY STRUCTURE OF DROSOPHILA DOPAMINE TRANSPORTER WITH SUBSITEB MUTATIONS (D121G/S426M) BOUND TO RTI-55  |   ALL ALPHA-HELICAL INTEGRAL MEMBRANE PROTEIN, TRANSPORT PROTEIN- INHIBITOR COMPLEX 
1d6v:H     (VAL2) to   (SER112)  CONFORMATION EFFECTS IN BIOLOGICAL CATALYSIS INTRODUCED BY OXY-COPE ANTIBODY MATURATION  |   IMMUNE SYSTEM 
1p7k:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF AN ANTI-SSDNA ANTIGEN-BINDING FRAGMENT (FAB) BOUND TO 4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID (HEPES)  |   FAB, ANTIBODY, ANTI-DNA ANTIBODY, AUTOANTIBODY, LUPUS, HEPES, IMMUNE SYSTEM 
1p7k:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF AN ANTI-SSDNA ANTIGEN-BINDING FRAGMENT (FAB) BOUND TO 4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID (HEPES)  |   FAB, ANTIBODY, ANTI-DNA ANTIBODY, AUTOANTIBODY, LUPUS, HEPES, IMMUNE SYSTEM 
4xtr:C     (GLN6) to   (SER121)  STRUCTURE OF GET3 BOUND TO THE TRANSMEMBRANE DOMAIN OF PEP12  |   MEMBRANE PROTEIN TARGETING COMPLEX, HYDROLASE-TRANSPORT PROTEIN COMPLEX 
1dn0:D     (GLU1) to   (SER119)  STRUCTURE OF THE FAB FRAGMENT FROM A HUMAN IGM COLD AGGLUTININ  |   FAB, IGM, ANTIBODY, COLD AGGLUTININ, HUMAN, IMMUNE SYSTEM 
3t3m:H     (VAL2) to   (SER118)  A NOVEL HIGH AFFINITY INTEGRIN ALPHAIIBBETA3 RECEPTOR ANTAGONIST THAT UNEXPECTEDLY DISPLACES MG2+ FROM THE BETA3 MIDAS  |   INTEGRIN, CELL ADHESION, BLOOD CLOTTING, FIBRINOGEN, PLATELET 
3t3p:H     (VAL2) to   (SER118)  A NOVEL HIGH AFFINITY INTEGRIN ALPHAIIBBETA3 RECEPTOR ANTAGONIST THAT UNEXPECTEDLY DISPLACES MG2+ FROM THE BETA3 MIDAS  |   INTEGRIN, CELL ADHESION, BLOOD CLOTTING, FIBRINOGEN, PLATELET 
4xvu:K     (GLN6) to   (SER121)  STRUCTURE OF GET3 BOUND TO THE TRANSMEMBRANE DOMAIN OF NYV1  |   MEMBRANE PROTEIN TARGETING COMPLEX, HYDROLASE-TRANSPORT PROTEIN COMPLEX 
3ggw:B     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A CARBOHYDRATE-MIMETIC PEPTIDE  |   PEPTIDE-CARBOHYDRATE MIMICRY, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
3gi9:H     (VAL2) to   (GLY115)  CRYSTAL STRUCTURE OF APCT TRANSPORTER BOUND TO 7F11 MONOCLONAL FAB FRAGMENT  |   MEMBRANE PROTEIN, TRANSPORTER, ANTIBODY, CELL MEMBRANE, MEMBRANE, TRANSMEMBRANE, TRANSPORT PROTEIN, STRUCTURAL GENOMICS, PSI-2, PROTEIN STRUCTURE INITIATIVE, NEW YORK CONSORTIUM ON MEMBRANE PROTEIN STRUCTURE, NYCOMPS 
1dzb:A     (LYS3) to   (VAL114)  CRYSTAL STRUCTURE OF PHAGE LIBRARY-DERIVED SINGLE-CHAIN FV FRAGMENT 1F9 IN COMPLEX WITH TURKEY EGG-WHITE LYSOZYME  |   IMMUNE SYSTEM, COMPLEX (ANTIBODY ANTIGEN), SINGLE-DOMAIN ANTIBODY, TURKEY EGG-WHITE LYSOZYME, ANTIBODY- PROTEIN COMPLEX, SINGLE-CHAIN FV FRAGMENT 
1dzb:B     (VAL2) to   (SER115)  CRYSTAL STRUCTURE OF PHAGE LIBRARY-DERIVED SINGLE-CHAIN FV FRAGMENT 1F9 IN COMPLEX WITH TURKEY EGG-WHITE LYSOZYME  |   IMMUNE SYSTEM, COMPLEX (ANTIBODY ANTIGEN), SINGLE-DOMAIN ANTIBODY, TURKEY EGG-WHITE LYSOZYME, ANTIBODY- PROTEIN COMPLEX, SINGLE-CHAIN FV FRAGMENT 
3gm0:A     (GLU9) to   (VAL124)  ANTI-METHAMPHETAMINE SINGLE CHAIN FV IN COMPLEX WITH MDMA  |   ANTI-METHAMPHETAMINE ANTIBODY, SINGLE CHAIN FV, THERAPEUTIC ANTIBODY, IMMUNE SYSTEM 
4y2d:C     (GLN3) to   (ASN118)  CRYSTAL STRUCTURE OF THE MCD1D/7DW8-5/INKTCR TERNARY COMPLEX  |   MHC-FOLD, IG-FOLD, GLYCOLIPID ANTIGEN PRESENTATION, T CELL RECEPTOR, IMMUNE SYSTEM 
4j1u:D     (GLN3) to   (VAL115)  CRYSTAL STRUCTURE OF ANTIBODY 93F3 UNSTABLE VARIANT  |   ANTIBODY MATURATION, ANTIBODY STABILITY, CLONAL SELECTION, IMMUNE SYSTEM 
2d7t:H     (VAL2) to   (VAL114)  CRYSTAL STRUCTURE OF HUMAN ANTI POLYHYDROXYBUTYRATE ANTIBODY FV  |   ANTIBODY, PLASTIC, POLYHYDROXYBUTYRATE, IMMUNE SYSTEM 
1e4x:I     (VAL2) to   (SER109)  CROSSREACTIVE BINDING OF A CIRCULARIZED PEPTIDE TO AN ANTI-TGFALPHA ANTIBODY FAB-FRAGMENT  |   IMMUNE SYSTEM, COMPLEX (ANTIBODY/ANTIGEN), CROSS-REACTIVITY, PROTEIN-PEPTIDE RECOGNITION 
4j4p:C    (GLN20) to   (THR143)  THE COMPLEX OF HUMAN IGE-FC WITH TWO BOUND FAB FRAGMENTS  |   IG LIKE DOMAIN, IMMUNE SYSTEM 
2dd8:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF SARS-COV SPIKE RECEPTOR-BINDING DOMAIN COMPLEXED WITH NEUTRALIZING ANTIBODY  |   SARS, S PROTEIN, ANTIBODY, EPITOPES, VACCINES, INHIBITORS, IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX 
1pz5:B     (VAL2) to   (VAL111)  STRUCTURAL BASIS OF PEPTIDE-CARBOHYDRATE MIMICRY IN AN ANTIBODY COMBINING SITE  |   ANTIBODY-ANTIGEN STRUCTURE, PEPTIDE-CARBOHYDRATE MIMICRY, VACCINE DESIGN, IMMUNE SYSTEM 
4j8r:D     (VAL2) to   (SER112)  STRUCTURE OF AN OCTAPEPTIDE REPEAT OF THE PRION PROTEIN BOUND TO THE POM2 FAB ANTIBODY FRAGMENT  |   IMMUNOGLOBULIN FOLD, FAB, ANTIBODY, OCTAPEPTIDE REPEAT, MOUSE PRION PROTEIN, IMMUNE SYSTEM 
4y88:A     (THR4) to   (HIS108)  CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF CEACAM8  |   CELL ADHESION 
4y8d:D     (GLN3) to   (VAL119)  CRYSTAL STRUCTURE OF CYCLIN-G ASSOCIATED KINASE (GAK) COMPLEXED WITH SELECTIVE 12I INHIBITOR  |   TRANSFERASE, KINASE, NANOBODY, INHIBITOR, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC 
1q9k:B     (VAL2) to   (VAL109)  S25-2 FAB UNLIGANDED 1  |   ANTIGEN-BINDING FRAGMENT, FAB, ANTI-CARBOHYDRATE, ANTI-LPS, ANTIBODY, IMMUNOGLOBULIN, IMMUNE SYSTEM 
1egj:H     (VAL2) to   (SER112)  DOMAIN 4 OF THE BETA COMMON CHAIN IN COMPLEX WITH AN ANTIBODY  |   CYTOKINE RECEPTOR COMPLEXED TO AN ANTIBODY, IMMUNE SYSTEM 
4ybl:H     (GLN3) to   (VAL111)  CRYSTAL STRUCTURE OF THE STABILIZED INNER DOMAIN OF CLADE A/E HIV-1 GP120 IN COMPLEX WITH THE ADCC MEDIATING ANTI-HIV-1 ANTIBODY A32  |   ADCC, NON-NEUTRALIZING, ANTI-HIV-1 ENV ANTIBODY A32, CD4I ANTIBODY, VIRAL GLYCOPROTEIN GP120, HIV-1 ENV, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1qfw:L     (ASP1) to   (ILE112)  TERNARY COMPLEX OF HUMAN CHORIONIC GONADOTROPIN WITH FV ANTI ALPHA SUBUNIT AND FV ANTI BETA SUBUNIT  |   GLYCOPROTEIN HORMONE, STIMULATION OF PRODUCTION OF PROGESTERONE, FVS SPECIFICALLY DIRECTED AGAINST ALPHA AND BETA SUBUNIT, IMMUNE SYSTEM 
3tt3:H     (GLN1) to   (SER118)  CRYSTAL STRUCTURE OF LEUT IN THE INWARD-OPEN CONFORMATION IN COMPLEX WITH FAB  |   LEUT FOLD, TRANSPORTER, PLASMA MEMBRANE, TRANSPORT PROTEIN 
1emt:H     (VAL2) to   (SER115)  FAB ANTIBODY FRAGMENT OF AN C60 ANTIFULLERENE ANTIBODY  |   ANTI-FULLERENE ANTIBODY, NANOTUBES, IMMUNE SYSTEM 
1eo8:H     (VAL2) to   (SER112)  INFLUENZA VIRUS HEMAGGLUTININ COMPLEXED WITH A NEUTRALIZING ANTIBODY  |   COMPLEX (HEMAGGLUTININ-IMMMUNOGLOBULIN), HEMAGGLUTININ, IMMUNOGLOBULIN, VIRAL PROTEIN, IMMUNE SYSTEM COMPLEX, VIRAL PROTEIN- IMMUNE SYSTEM COMPLEX 
4jm2:D     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF PGT 135 FAB IN COMPLEX WITH GP120 CORE PROTEIN FROM HIV-1 STRAIN JR-FL BOUND TO CD4 AND 17B FAB  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX 
3h3b:C   (VAL136) to   (SER253)  CRYSTAL STRUCTURE OF THE SINGLE-CHAIN FV (SCFV) FRAGMENT OF AN ANTI- ERBB2 ANTIBODY CHA21 IN COMPLEX WITH RESIDUES 1-192 OF ERBB2 EXTRACELLULAR DOMAIN  |   IMMUNOGLOBULIN, BETA-HELIX, PROTEIN-PROTEIN COMPLEX, ATP-BINDING, DISULFIDE BOND, KINASE, NUCLEOTIDE-BINDING, RECEPTOR, TRANSFERASE, TRANSMEMBRANE, TYROSINE-PROTEIN KINASE, IMMUNE SYSTEM 
4yhl:H     (VAL2) to   (SER118)  REVERSAL AGENT FOR DABIGATRAN  |   ANTIBODY, DABIGATRAN, PRADAXA, ANTIDOTE, REVERSAL AGENT, IMMUNE SYSTEM 
4yhp:A     (GLN3) to   (VAL119)  CRYSTAL STRUCTURE OF 309M3-B FAB IN COMPLEX WITH H3K9ME3 PEPTIDE  |   ANTIBODY, FAB, HEAD-TO-HEAD DIMERIZATION, H3K9ME3, IMMUNE SYSTEM 
4yhp:E     (GLN3) to   (VAL119)  CRYSTAL STRUCTURE OF 309M3-B FAB IN COMPLEX WITH H3K9ME3 PEPTIDE  |   ANTIBODY, FAB, HEAD-TO-HEAD DIMERIZATION, H3K9ME3, IMMUNE SYSTEM 
4yhz:H     (GLN3) to   (VAL119)  CRYSTAL STRUCTURE OF 304M3-B FAB IN COMPLEX WITH H3K4ME3 PEPTIDE  |   ANTIBODY, FAB, HEAD-TO-HEAD DIMERIZATION, H3K4ME3, IMMUNE SYSTEM 
3tyg:H     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF BROAD AND POTENT HIV-1 NEUTRALIZING ANTIBODY PGT128 IN COMPLEX WITH A GLYCOSYLATED ENGINEERED GP120 OUTER DOMAIN WITH MINIV3 (EODMV3)  |   GP120, HIV-1, ENV, FAB, HIV-1 NEUTRALIZING ANTIBODY, IMMUNE SYSTEM, VIRAL PROTEIN 
1f2x:K   (VAL802) to   (SER926)  STRUCTURE OF THE SINGLE-DOMAIN CAMELID ANTIBODY CAB-CA05  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
1f3d:H     (ILE2) to   (SER112)  CATALYTIC ANTIBODY 4B2 IN COMPLEX WITH ITS AMIDINIUM HAPTEN.  |   CATALYTIC ANTIBODY, AMIDINIUM, HAPTENIC CHARGE, IMMUNE SYSTEM 
1f3d:K     (ILE2) to   (SER112)  CATALYTIC ANTIBODY 4B2 IN COMPLEX WITH ITS AMIDINIUM HAPTEN.  |   CATALYTIC ANTIBODY, AMIDINIUM, HAPTENIC CHARGE, IMMUNE SYSTEM 
3hae:H     (VAL2) to   (VAL117)  RATIONAL DEVELOPMENT OF HIGH-AFFINITY T-CELL RECEPTOR-LIKE ANTIBODIES  |   FAB, MAJOR HISTOCOMPATABILITY COMPLEX, IMMUNITY, DISULFIDE BOND, GLYCOPROTEIN, HOST-VIRUS INTERACTION, IMMUNE RESPONSE, MEMBRANE, MHC I, PHOSPHOPROTEIN, TRANSMEMBRANE, DISEASE MUTATION, GLYCATION, IMMUNOGLOBULIN DOMAIN, PYRROLIDONE CARBOXYLIC ACID, SECRETED, IMMUNE SYSTEM 
3hae:I     (VAL2) to   (VAL117)  RATIONAL DEVELOPMENT OF HIGH-AFFINITY T-CELL RECEPTOR-LIKE ANTIBODIES  |   FAB, MAJOR HISTOCOMPATABILITY COMPLEX, IMMUNITY, DISULFIDE BOND, GLYCOPROTEIN, HOST-VIRUS INTERACTION, IMMUNE RESPONSE, MEMBRANE, MHC I, PHOSPHOPROTEIN, TRANSMEMBRANE, DISEASE MUTATION, GLYCATION, IMMUNOGLOBULIN DOMAIN, PYRROLIDONE CARBOXYLIC ACID, SECRETED, IMMUNE SYSTEM 
2eh8:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF THE COMPLEX OF HUMANIZED KR127 FAB AND PRES1 PEPTIDE EPITOPE  |   CRYSTAL STRUCTURE, HEPATITIS B VIRUS, HUMANIZED ANTIBODY, MONOCLONAL ANTIBODY, NEUTRALIZATION, PRES1, IMMUNE SYSTEM 
2uyl:B     (VAL2) to   (VAL117)  CRYSTAL STRUCTURE OF A MONOCLONAL ANTIBODY DIRECTED AGAINST AN ANTIGENIC DETERMINANT COMMON TO OGAWA AND INABA SEROTYPES OF VIBRIO CHOLERAE O1  |   FAB FRAGMENT, MONOCLONAL ANTIBODY, IMMUNE SYSTEM, IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN C REGION, ANTI-LPS VIBRIO CHOLERAE 
1fe8:I     (LYS3) to   (SER114)  CRYSTAL STRUCTURE OF THE VON WILLEBRAND FACTOR A3 DOMAIN IN COMPLEX WITH A FAB FRAGMENT OF IGG RU5 THAT INHIBITS COLLAGEN BINDING  |   COLLAGEN BINDING, CONFORMATIONAL CHANGES, EPITOPE, VON WILLEBRAND FACTOR A-TYPE DOMAIN, IMMUNE SYSTEM 
4jzo:E     (TYR2) to   (THR108)  THREE DIMENSIONAL STRUCTURE OF BROADLY NEUTRALIZING HUMAN ANTI - HEPATITIS C VIRUS (HCV) GLYCOPROTEIN E2 FAB FRAGMENT HC84-27  |   FAB FRAGMENT, IMMUNGLOBULIN FOLD, ANTIBODY, IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX 
4jzo:H     (TYR2) to   (THR108)  THREE DIMENSIONAL STRUCTURE OF BROADLY NEUTRALIZING HUMAN ANTI - HEPATITIS C VIRUS (HCV) GLYCOPROTEIN E2 FAB FRAGMENT HC84-27  |   FAB FRAGMENT, IMMUNGLOBULIN FOLD, ANTIBODY, IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX 
1fig:H     (LEU4) to   (SER112)  ROUTES TO CATALYSIS: STRUCTURE OF A CATALYTIC ANTIBODY AND COMPARISON WITH ITS NATURAL COUNTERPART  |   IMMUNOGLOBULIN 
4k23:H     (VAL2) to   (SER112)  STRUCTURE OF ANTI-UPAR FAB ATN-658  |   IMMUNE SYSTEM 
4k24:H     (VAL2) to   (SER112)  STRUCTURE OF ANTI-UPAR FAB ATN-658 IN COMPLEX WITH UPAR  |   IMMUNE SYSTEM 
4k2u:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF PFEBA-175 F1 IN COMPLEX WITH R218 ANTIBODY FAB FRAGMENT  |   DBL DOMAIN, IMMUNOGLOBULIN DOMAIN, ANTIBODY FRAGMENT, CELL ATTACHMENT, IMMUNITY, RECEPTOR, LIGAND, EXTRACELLULAR, IMMUNE SYSTEM 
4k2u:I     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF PFEBA-175 F1 IN COMPLEX WITH R218 ANTIBODY FAB FRAGMENT  |   DBL DOMAIN, IMMUNOGLOBULIN DOMAIN, ANTIBODY FRAGMENT, CELL ATTACHMENT, IMMUNITY, RECEPTOR, LIGAND, EXTRACELLULAR, IMMUNE SYSTEM 
1flr:H     (VAL2) to   (SER117)  4-4-20 FAB FRAGMENT  |   IMMUNOGLOBULIN 
1fo0:B     (LEU3) to   (VAL116)  MURINE ALLOREACTIVE SCFV TCR-PEPTIDE-MHC CLASS I MOLECULE COMPLEX  |   T CELL RECEPTOR, CLASS I MHC, H-2KB, TCR-PMHC COMPLEX, IMMUNE SYSTEM 
1fpt:H     (VAL2) to   (SER112)  THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX BETWEEN THE FAB FRAGMENT OF AN NEUTRALIZING ANTIBODY FOR TYPE 1 POLIOVIRUS AND ITS VIRAL EPITOPE  |   COMPLEX (ANTIBODY-PV-1 FRAGMENT), COMPLEX (ANTIBODY-PV-1 FRAGMENT) COMPLEX 
2eyt:D     (ASP3) to   (GLU118)  A STRUCTURAL BASIS FOR SELECTION AND CROSS-SPECIES REACTIVITY OF THE SEMI-INVARIANT NKT CELL RECEPTOR IN CD1D/GLYCOLIPID RECOGNITION  |   NATURAL KILLER T CELL RECEPTOR, NKT CELL RECEPTOR, NKT15, IMMUNE SYSTEM 
1rih:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF FAB 14F7, A UNIQUE ANTI-TUMOR ANTIBODY SPECIFIC FOR N-GLYCOLYL GM3  |   ANTIBODY, CARBOHYDRATE-BINDING FAB, SPECIFIC FOR NEUGC-GM3, IMMUNOGLOBULIN, BETA-SHEET TOPOLOGY, IMMUNE SYSTEM 
3umt:A     (VAL4) to   (VAL119)  SCFV12, ANTI-BCLA ANTIBODY SINGLE CHAIN VARIABLE FRAGMENT  |   SCFV, STABILITY ENGINEERING, ANTHRAX, ANTI-BCLA ANTIBODY, IMMUNOGLOBULIN FOLD (VH AND VL DOMAINS), ANTIBODY, IMMUNE SYSTEM 
3hmw:H     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF USTEKINUMAB FAB  |   USTEKINUMAB, CNTO1275, IL-12, IL-23, ANTIBODY, FAB, MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
3hmx:H     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF USTEKINUMAB FAB/IL-12 COMPLEX  |   USTEKINUMAB, CNTO1275, IL-12, IL-23, ANTIBODY, FAB, MONOCLONAL ANTIBODY, IMMUNE SYSTEM, CYTOKINE, DISULFIDE BOND, GLYCOPROTEIN, IMMUNOGLOBULIN DOMAIN, SECRETED, GROWTH FACTOR, CYTOKINE-MMUNE SYSTEM COMPLEX, CYTOKINE-IMMUNE SYSTEM COMPLEX 
2fat:H     (VAL2) to   (SER112)  AN ANTI-UROKINASE PLASMINOGEN ACTIVATOR RECEPTOR (UPAR) ANTIBODY: CRYSTAL STRUCTURE AND BINDING EPITOPE  |   ANTI-UPAR ANTIBODY, ATN-615, FAB, CRYSTAL STRUCTURE, IMMUNE SYSTEM 
1rua:H     (ARG1) to   (SER112)  CRYSTAL STRUCTURE (B) OF U.V.-IRRADIATED CATIONIC CYCLIZATION ANTIBODY 4C6 FAB AT PH 4.6 WITH A DATA SET COLLECTED AT SSRL BEAMLINE 11-1.  |   IMMUNOGLOBULIN, CATALYTIC ANTIBODY, WATER OXIDATION, AMINO ACID MODIFICATION, IMMUNE SYSTEM 
1rul:H     (ARG1) to   (VAL111)  CRYSTAL STRUCTURE (D) OF U.V.-IRRADIATED CATIONIC CYCLIZATION ANTIBODY 4C6 FAB AT PH 5.6 WITH A DATA SET COLLECTED AT SSRL BEAMLINE 11-1.  |   IMMUNOGLOBULIN, CATALYTIC ANTIBODY, WATER OXIDATION, AMINO ACID MODIFICATION, IMMUNE SYSTEM 
1ruq:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE (H) OF U.V.-IRRADIATED DIELS-ALDER ANTIBODY 13G5 FAB AT PH 8.0 WITH A DATA SET COLLECTED IN HOUSE.  |   IMMUNOGLOBULIN, CATALYTIC ANTIBODY, WATER OXIDATION, AMINO ACID MODIFICATION, IMMUNE SYSTEM 
1rur:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE (I) OF NATIVE DIELS-ALDER ANTIBODY 13G5 FAB AT PH 8.0 WITH A DATA SET COLLECTED AT SSRL BEAMLINE 9- 1.  |   IMMUNOGLOBULIN, CATALYTIC ANTIBODY, WATER OXIDATION, AMINO ACID MODIFICATION, IMMUNE SYSTEM 
2vdk:H     (VAL2) to   (SER118)  RE-REFINEMENT OF INTEGRIN ALPHAIIBBETA3 HEADPIECE  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX, FIBRINOGEN BINDING, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, PHOSPHORYLATION, 
2vdl:H     (VAL2) to   (SER118)  RE-REFINEMENT OF INTEGRIN ALPHAIIBBETA3 HEADPIECE  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX, FIBRINOGEN BINDING, PLATELET INTEGRIN ALPHAIIBBETA3, GLYCOPROTEIN, CELL ADHESION, MEMBRANE, INTEGRIN, RECEPTOR, ANTAGONIST, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, TRANSMEMBRANE, PHOSPHORYLATION, DISEASE MUTATION, CLEAVAGE ON PAIR OF BASIC RESIDUES, CELL ADHESION/IMMUNE SYSTEM COMPLEX 
2vdo:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 HEADPIECE BOUND TO FIBRINOGEN GAMMA CHAIN PEPTIDE, HHLGGAKQAGDV  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX, FIBRINOGEN BINDING, PLATELET INTEGRIN ALPHAIIBBETA3, GLYCOPROTEIN, CELL ADHESION, MEMBRANE, INTEGRIN, RECEPTOR, ANTAGONIST, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, TRANSMEMBRANE, PHOSPHORYLATION, DISEASE MUTATION, CLEAVAGE ON PAIR OF BASIC RESIDUES, CELL ADHESION/IMMUNE SYSTEM COMPLEX 
2vdp:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 HEADPIECE BOUND TO FIBRINOGEN GAMMA CHAIN PEPTIDE,LGGAKQAGDV  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX, FIBRINOGEN BINDING, PLATELET INTEGRIN ALPHAIIBBETA3, GLYCOPROTEIN, CELL ADHESION, MEMBRANE, INTEGRIN, RECEPTOR, ANTAGONIST, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, TRANSMEMBRANE, PHOSPHORYLATION, DISEASE MUTATION, CLEAVAGE ON PAIR OF BASIC RESIDUES, CELL ADHESION/IMMUNE SYSTEM COMPLEX 
1rz8:B     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 17B  |   HIV-1; GP120; CD4I; ANTIBODIES; TYROSINE SULFATION; VH-GENE USAGE, IMMUNE SYSTEM 
1rzi:N     (VAL2) to   (ALA112)  CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 47E FAB  |   HIV-1; GP120; CD4I; ANTIBODIES; TYROSINE SULFATION; VH-GENE USAGE, IMMUNE SYSTEM 
1rzk:H     (GLU1) to   (SER112)  HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B  |   COMPLEX (HIV ENVELOPE PROTEIN-CD4-FAB); HIV-1 EXTERIOR ENVELOPE GP120 FROM LABORATORY-ADAPTED ISOLATE; HXBC2; SURFACE T-CELL GLYCOPROTEIN CD4; ANTIGEN-BINDING FRAGMENT OF HUMAN IMMUNOGLOBULIN 17B, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1g9n:H     (GLN1) to   (THR127)  HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B  |   COMPLEX (HIV ENVELOPE PROTEIN-CD4-FAB), HIV-1 EXTERIOR ENVELOPE GP120 FROM CLINICAL PRIMARY ISOLATE, YU2, T-CELL SURFACE GLYCOPROTEIN CD4, ANTIGEN-BINDING FRAGMENT OF HUMAN IMMUNOGLOBULIN 17B, VIRAL PROTEIN- IMMUNE SYSTEM COMPLEX 
4z7n:E     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
4z7n:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
4z7o:E     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
4z7o:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
4z7q:E     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV-NH2 PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
4z7q:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH AGDV-NH2 PEPTIDE  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
1ggc:H     (VAL2) to   (SER112)  MAJOR ANTIGEN-INDUCED DOMAIN REARRANGEMENTS IN AN ANTIBODY  |   IMMUNOGLOBULIN 
3v0a:C     (VAL2) to   (VAL118)  2.7 ANGSTROM CRYSTAL STRUCTURE OF BONT/AI IN COMPLEX WITH NTNHA  |   BOTULINUM NEUROTOXIN, TOXIN, NEUROTOXIN ASSOCIATED PROTEIN, PROGENITOR TOXIN COMPLEX, VHH BOUND INTERLOCKED COMPLEX, NTNHA 
1s78:F     (VAL2) to   (SER112)  INSIGHTS INTO ERBB SIGNALING FROM THE STRUCTURE OF THE ERBB2- PERTUZUMAB COMPLEX  |   RECEPTOR-ANTIBODY COMPLEX, FAB FRAGMENT, CYSTEINE-RICH DOMAIN, LEUCINE-RICH REPEAT, TRANSFERASE 
1gig:H     (VAL2) to   (SER121)  REFINED THREE-DIMENSIONAL STRUCTURE OF THE FAB FRAGMENT OF A MURINE IGG1, LAMBDA ANTIBODY  |   IMMUNOGLOBULIN 
4zfo:H     (GLN1) to   (SER119)  J22.9-XI: CHIMERIC MOUSE/HUMAN ANTIBODY AGAINST HUMAN BCMA (CD269)  |   ANTIBODY FAB-LIGAND COMPLEX ANTI-BCMA ANTI-TUMOR, IMMUNE SYSTEM 
4zfo:A     (VAL2) to   (SER119)  J22.9-XI: CHIMERIC MOUSE/HUMAN ANTIBODY AGAINST HUMAN BCMA (CD269)  |   ANTIBODY FAB-LIGAND COMPLEX ANTI-BCMA ANTI-TUMOR, IMMUNE SYSTEM 
3v6o:C     (LYS5) to   (VAL117)  LEPTIN RECEPTOR-ANTIBODY COMPLEX  |   RECEPTOR-ANTIBODY COMPLEX, CYTOKINE RECEPTOR, ANTIBODY FAB FRAGMENT, IMMUNOGLOBULIN FOLD, LEPTIN RECEPTOR-ANTIBODY COMPLEX, IMMUNE SYSTEM 
3i02:B     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF S54-10 ANTIBODY IN COMPLEX WITH ANTIGEN KDO(2.4)KDO(2.4)KDO  |   ANTIBODY, FAB, IGG, CARBOHYDRATE, IMMUNE SYSTEM 
3i02:D     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF S54-10 ANTIBODY IN COMPLEX WITH ANTIGEN KDO(2.4)KDO(2.4)KDO  |   ANTIBODY, FAB, IGG, CARBOHYDRATE, IMMUNE SYSTEM 
4krn:A     (GLN3) to   (SER129)  NANOBODY/VHH DOMAIN EGA1  |   NANOBODY, VHH DOMAIN, CAMELID VH DOMAIN, ANTIBODY, IMMUNE SYSTEM 
2g2r:H     (VAL2) to   (SER112)  GREEN-FLUORESCENT ANTIBODY 11G10 IN COMPLEX WITH ITS HAPTEN (NITRO-STILBENE DERIVATIVE)  |   IMMUNOGLOBULIN,GREEN-FLUORESCENT ANTIBODY, STILBENE-COMPLEX, IMMUNE SYSTEM 
2g2r:B     (VAL2) to   (SER112)  GREEN-FLUORESCENT ANTIBODY 11G10 IN COMPLEX WITH ITS HAPTEN (NITRO-STILBENE DERIVATIVE)  |   IMMUNOGLOBULIN,GREEN-FLUORESCENT ANTIBODY, STILBENE-COMPLEX, IMMUNE SYSTEM 
4ktd:H     (VAL2) to   (SER113)  FAB FRAGMENT OF HIV VACCINE-ELICITED CD4BS-DIRECTED ANTIBODY, GE136, FROM NON-HUMAN PRIMATE  |   ANTIBODY AFFINITY, ANTIBODY SPECIFICITY, VACCINE ELICITED ANTIBODIES, FAB FRAGMENT, AIDS VACCINES, IMMUNE SYSTEM 
2vxs:H     (VAL2) to   (SER112)  STRUCTURE OF IL-17A IN COMPLEX WITH A POTENT, FULLY HUMAN NEUTRALISING ANTIBODY  |   EPITOPE, COMPLEX, ANTIBODY, SECRETED, CYTOKINE, GLYCOPROTEIN, INTERLEUKIN-17 
2vxs:I     (VAL2) to   (SER112)  STRUCTURE OF IL-17A IN COMPLEX WITH A POTENT, FULLY HUMAN NEUTRALISING ANTIBODY  |   EPITOPE, COMPLEX, ANTIBODY, SECRETED, CYTOKINE, GLYCOPROTEIN, INTERLEUKIN-17 
2vxu:H     (ILE2) to   (SER112)  CRYSTAL STRUCTURE OF MURINE REFERENCE ANTIBODY 125-2H FAB FRAGMENT  |   FAB, IL-18, AUTOIMMUNITY, TH1/TH2 CELLS, IMMUNE SYSTEM 
1svz:B   (VAL129) to   (VAL245)  CRYSTAL STRUCTURE OF THE SINGLE-CHAIN FV FRAGMENT 1696 IN COMPLEX WITH THE EPITOPE PEPTIDE CORRESPONDING TO N- TERMINUS OF HIV-2 PROTEASE  |   ANTIBODY-ANTIGEN COMPLEX; HIV INHIBITING ANTIBODY, IMMUNE SYSTEM 
1t04:D     (VAL2) to   (SER116)  THREE DIMENSIONAL STRUCTURE OF A HUMANIZED ANTI-IFN-GAMMA FAB IN C2 SPACE GROUP  |   ANTIBODY ENGINEERING, HUMANIZED AND CHIMERIC ANTIBODY, FAB, X-RAY STRUCTURE, THREE-DIMENSIONAL STRUCTURE, GAMMA- INTERFERON, IMMUNE SYSTEM 
2ghw:B     (VAL2) to   (SER116)  CRYSTAL STRUCTURE OF SARS SPIKE PROTEIN RECEPTOR BINDING DOMAIN IN COMPLEX WITH A NEUTRALIZING ANTIBODY, 80R  |   SARS, S PROTEIN, NEUTRALIZING ANTIBODY, VIRUS/VIRAL PROTEIN/ANTIBIOTIC COMPLEX 
2ghw:D     (VAL2) to   (VAL115)  CRYSTAL STRUCTURE OF SARS SPIKE PROTEIN RECEPTOR BINDING DOMAIN IN COMPLEX WITH A NEUTRALIZING ANTIBODY, 80R  |   SARS, S PROTEIN, NEUTRALIZING ANTIBODY, VIRUS/VIRAL PROTEIN/ANTIBIOTIC COMPLEX 
2gk0:H     (GLN1) to   (VAL111)  STRUCTURE OF CATALYTIC ELIMINATION ANTIBODY 13G5 FROM A TWINNED CRYSTAL IN SPACE GROUP C2  |   IMMUNOGLOBULIN,CATALYTIC ANTIBODY, ELIMINATION, IMMUNE SYSTEM 
2gk2:A     (LEU2) to   (TYR107)  CRYSTAL STRUCTURE OF THE N TERMINAL DOMAIN OF HUMAN CEACAM1  |   IMMUNOGLOBULIN DOMAIN, ADHESION PROTEIN, CELL ADHESION 
1t66:H     (VAL2) to   (SER117)  THE STRUCTURE OF FAB WITH INTERMEDIATE AFFINITY FOR FLUORESCEIN.  |   ANTIBODY, FAB, FLUORESCEIN, IMMUNE SYSTEM 
1t66:D     (LYS3) to   (SER117)  THE STRUCTURE OF FAB WITH INTERMEDIATE AFFINITY FOR FLUORESCEIN.  |   ANTIBODY, FAB, FLUORESCEIN, IMMUNE SYSTEM 
3iet:D     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF 237MAB WITH ANTIGEN  |   GLYCOPEPITDE, ANTIBODY, FAB, CARBOHYDRATE-BIDING, TUMOUR, IMMUNE SYSTEM 
2gsg:A     (LEU2) to   (VAL116)  CRYSTAL STRUCTURE OF THE FV FRAGMENT OF A MONOCLONAL ANTIBODY SPECIFIC FOR POLY-GLUTAMINE  |   FV, MONOCLONAL ANTIBODY, POLY-GLUTAMINE, IMMUNE SYSTEM 
2gsi:D     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A MURINE FAB IN COMPLEX WITH AN 11 RESIDUE PEPTIDE DERIVED FROM STAPHYLOCOCCAL NUCLEASE  |   FAB, IGG, STAPHYLOCOCCAL NUCLEASE, IMMUNE SYSTEM 
2gsi:F     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A MURINE FAB IN COMPLEX WITH AN 11 RESIDUE PEPTIDE DERIVED FROM STAPHYLOCOCCAL NUCLEASE  |   FAB, IGG, STAPHYLOCOCCAL NUCLEASE, IMMUNE SYSTEM 
2gsi:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A MURINE FAB IN COMPLEX WITH AN 11 RESIDUE PEPTIDE DERIVED FROM STAPHYLOCOCCAL NUCLEASE  |   FAB, IGG, STAPHYLOCOCCAL NUCLEASE, IMMUNE SYSTEM 
4lbe:A     (GLN3) to   (SER117)  STRUCTURE OF KCSA WITH R122A MUTATION  |   METAL TRANSPORT, PH-GATED POTASSIUM CHANNEL, TRANSPORT PROTEIN, MEMBRANE PROTEIN 
4lcu:A     (GLN3) to   (SER117)  STRUCTURE OF KCSA WITH E118A MUTATION  |   VOLTAGE GATED POTASSIUM CHANNEL, POTASSIUM CHANNEL, TRANSPORT PROTEIN, MEMBRANE PROTEIN, PH-GATED POTASSIUM CHANNEL 
4lde:B     (GLN1) to   (VAL118)  STRUCTURE OF BETA2 ADRENOCEPTOR BOUND TO BI167107 AND AN ENGINEERED NANOBODY  |   G PROTEIN COUPLED RECEPTOR, MEMBRANE PROTEIN-HYDROLASE COMPLEX 
4ldl:B     (GLN1) to   (VAL118)  STRUCTURE OF BETA2 ADRENOCEPTOR BOUND TO HYDROXYBENZYLISOPROTERENOL AND AN ENGINEERED NANOBODY  |   G PROTEIN COUPLED RECEPTOR, MEMBRANE PROTEIN-HYDROLASE COMPLEX 
4ldo:B     (GLN1) to   (VAL118)  STRUCTURE OF BETA2 ADRENOCEPTOR BOUND TO ADRENALINE AND AN ENGINEERED NANOBODY  |   G PROTEIN COUPLED RECEPTOR, MEMBRANE PROTEIN-HYDROLASE COMPLEX 
4leo:A     (VAL2) to   (SER119)  CRYSTAL STRUCTURE OF ANTI-HER3 FAB RG7116 IN COMPLEX WITH THE EXTRACELLULAR DOMAINS OF HUMAN HER3 (ERBB3)  |   FAB FRAGMENT, THERAPEUTIC ANTIBODY, HER3 RECEPTOR, TRANSFERASE-IMMUNE SYSTEM COMPLEX 
4lhu:D     (GLN5) to   (ARG120)  CRYSTAL STRUCTURE OF 9C2 TCR BOUND TO CD1D  |   NKT CELLS, GAMMADELTA TCR, CD1D, LIPID RECOGNITION, PBS-44, IMMUNE SYSTEM 
2w9d:H     (GLU1) to   (SER115)  STRUCTURE OF FAB FRAGMENT OF THE ICSM 18 - ANTI-PRP THERAPEUTIC ANTIBODY   AT 1.57 A RESOLUTION.  |   IMMUNE SYSTEM, PRION, PRP, FAB 
2h8p:A     (GLN3) to   (SER117)  STRUCTURE OF A K CHANNEL WITH AN AMIDE TO ESTER SUBSTITUTION IN THE SELECTIVITY FILTER  |   CHANNEL, SEMI-SYNTHETIC, ESTER, MEMBRANE PROTEIN 
4zyk:A     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF QUATERNARY-SPECIFIC RSV-NEUTRALIZING HUMAN ANTIBODY AM14  |   IG DOMAIN, FAB, IMMUNE SYSTEM 
4lkx:A     (VAL2) to   (THR110)  HUMANIZED ANTIBODY 4B12 FAB COMPLEXED WITH A CEMX SEGMENT  |   IMMUNOGLOBULIN, ANTIBODY, FAB-PEPTIDE COMPLEX, IMMUNE SYSTEM 
2hh0:H     (LEU3) to   (SER148)  STRUCTURE OF AN ANTI-PRP FAB, P-CLONE, IN COMPLEX WITH ITS COGNATE BOVINE PEPTIDE EPITOPE.  |   PRION, PRP, FAB, IMMUNE SYSTEM 
1hxm:B     (ALA1) to   (ASP123)  CRYSTAL STRUCTURE OF A HUMAN VGAMMA9/VDELTA2 T CELL RECEPTOR  |   IG DOMAIN, T CELL RECEPTOR, TCR, GDTCR, IMMUNE SYSTEM 
1hxm:D     (HIS3) to   (ILE121)  CRYSTAL STRUCTURE OF A HUMAN VGAMMA9/VDELTA2 T CELL RECEPTOR  |   IG DOMAIN, T CELL RECEPTOR, TCR, GDTCR, IMMUNE SYSTEM 
1hxm:F     (ALA1) to   (ASP123)  CRYSTAL STRUCTURE OF A HUMAN VGAMMA9/VDELTA2 T CELL RECEPTOR  |   IG DOMAIN, T CELL RECEPTOR, TCR, GDTCR, IMMUNE SYSTEM 
1hxm:H     (ALA1) to   (ASP123)  CRYSTAL STRUCTURE OF A HUMAN VGAMMA9/VDELTA2 T CELL RECEPTOR  |   IG DOMAIN, T CELL RECEPTOR, TCR, GDTCR, IMMUNE SYSTEM 
1tzh:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF THE FAB YADS1 COMPLEXED WITH H-VEGF  |   PHAGE DISPLAY, ANTIBODY LIBRARY, PROTEIN ENGINEERING, IMMUNE SYSTEM 
4lsr:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF BROADLY AND POTENTLY NEUTRALIZING ANTIBODY VRC- CH31 IN COMPLEX WITH HIV-1 CLADE A/E STRAN 93TH057 GP120 WITH LOOP D AND LOOP V5 FROM CLADE A STRAIN KER_2018_11  |   NEUTRALIZING ANTIBODY VRC-CH31, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1u3h:F     (ALA3) to   (LEU117)  CRYSTAL STRUCTURE OF MOUSE TCR 172.10 COMPLEXED WITH MHC CLASS II I-AU MOLECULE AT 2.4 A  |   COMPLEX, IMMUNE SYSTEM 
4lu5:I     (VAL2) to   (VAL111)  STRUCTURE OF MURINE IGG2A A20G2-FAB IN COMPLEX WITH VACCINIA ANTIGEN A33R AT THE RESOLUTION OF 2.9 ANGSTROMS  |   IGG DOMAIN, ANTIBODY-ANTIGEN COMPLEX, FV, CH1, IGG2A, ANTIGEN-BINDING FRAGMENT (FAB), A33R ANTIGEN, PAPAIN DIGEST OF THE MAB, EEV MEMBRANE (OUTER MEMBRANE OF VACCINIA EV FORM), IMMUNE SYSTEM 
1i7z:B     (GLN1) to   (SER112)  ANTIBODY GNC92H2 BOUND TO LIGAND  |   IGG FOLD, ANTIBODY, CHIMERA, IMMUNE SYSTEM 
1i7z:D     (VAL2) to   (SER112)  ANTIBODY GNC92H2 BOUND TO LIGAND  |   IGG FOLD, ANTIBODY, CHIMERA, IMMUNE SYSTEM 
1iai:H     (GLN3) to   (GLY112)  IDIOTYPE-ANTI-IDIOTYPE FAB COMPLEX  |   COMPLEX (IMMUNOGLOBULIN IGG1/IGG2A) 
1igf:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURES OF AN ANTIBODY TO A PEPTIDE AND ITS COMPLEX WITH PEPTIDE ANTIGEN AT 2.8 ANGSTROMS  |   IMMUNOGLOBULIN 
1igj:B     (VAL2) to   (VAL111)  26-10 FAB:DIGOXIN COMPLEX-AFFINITY AND SPECIFICITY DUE TO SURFACE COMPLEMENTARITY  |   IMMUNOGLOBULIN 
2i60:R     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF [PHE23]M47, A SCORPION-TOXIN MIMIC OF CD4, IN COMPLEX WITH HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN AND ANTI-HIV-1 ANTIBODY 17B  |   HIV-1, GP120, YU2, SCORPION TOXIN, CD4 MIMIC, [PHE23]M47, ANTIBODY, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5a7x:D     (GLU1) to   (SER112)  NEGATIVE STAIN EM OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN 
5a7x:H     (GLU1) to   (SER112)  NEGATIVE STAIN EM OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN 
5a7x:L     (GLU1) to   (SER112)  NEGATIVE STAIN EM OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN 
5a8h:D     (GLU1) to   (SER112)  CRYO-ET SUBTOMOGRAM AVERAGING OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, VIRUS 
5a8h:J     (GLU1) to   (SER112)  CRYO-ET SUBTOMOGRAM AVERAGING OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, VIRUS 
5a8h:P     (GLU1) to   (SER112)  CRYO-ET SUBTOMOGRAM AVERAGING OF BG505 SOSIP.664 IN COMPLEX WITH SCD4, 17B, AND 8ANC195  |   VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, VIRUS 
4m3j:A     (GLN1) to   (SER119)  STRUCTURE OF A SINGLE-DOMAIN CAMELID ANTIBODY FRAGMENT CAB-H7S SPECIFIC OF THE BLAP BETA-LACTAMASE FROM BACILLUS LICHENIFORMIS  |   IMMUNOGLOBULIN FOLD, ANTIGEN BINDING, BETA-LACTAMASE BINDING ANTIBODY, IMMUNE SYSTEM 
1ine:H     (GLU1) to   (VAL112)  HOW THE ANTI-(METAL CHELATE) ANTIBODY CHA255 IS SPECIFIC FOR THE METAL ION OF ITS ANTIGEN: X-RAY STRUCTURES FOR TWO FAB'(SLASH)HAPTEN COMPLEXES WITH DIFFERENT METALS IN THE CHELATE  |   IMMUNOGLOBULIN 
4m43:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF ANTI-RABIES GLYCOPROTEIN FAB 523-11  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
1um4:H     (LEU5) to   (SER118)  CATALYTIC ANTIBODY 21H3 WITH HAPTEN  |   CATALYTIC ANTIBODY LIGAND TRANSESTERIFICATION, IMMUNE SYSTEM 
1um6:H     (VAL3) to   (SER118)  CATALYTIC ANTIBODY 21H3  |   CATALYTIC ANTIBODY LIGAND TRANSESTERIFICATION, IMMUNE SYSTEM 
2ian:N     (ILE1) to   (PRO108)  STRUCTURAL BASIS FOR RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED TCR  |   X-RAY CRYSTALLOGRAPHY, MAJOR HISTOCOMPATIBILITY COMPLEX, T CELL RECEPTOR, T CELL STIMULATION, MELANOMA, TUMOR ANTIGEN, IMMUNE SYSTEM 
4m5z:L     (TYR2) to   (VAL106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING ANTIBODY 5J8 BOUND TO 2009 PANDEMIC INFLUENZA HEMAGGLUTININ, HA1 SUBUNIT  |   HEMAGGLUTININ, IMMUNOGLOBULIN FOLD, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4m61:B     (ILE2) to   (SER119)  CRYSTAL STRUCTURE OF UNLIGANDED ANTI-DNA FAB A52  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
4m7z:B     (LEU4) to   (SER112)  UNLIGANDED 1 CRYSTAL STRUCTURE OF S25-26 FAB  |   BETA-SANDWICH, CARBOHYDRATE/SUGAR BINDING, IMMUNE SYSTEM 
4m7z:H     (LEU4) to   (SER112)  UNLIGANDED 1 CRYSTAL STRUCTURE OF S25-26 FAB  |   BETA-SANDWICH, CARBOHYDRATE/SUGAR BINDING, IMMUNE SYSTEM 
3wbd:A   (ILE129) to   (SER243)  CRYSTAL STRUCTURE OF ANTI-POLYSIALIC ACID ANTIBODY SINGLE CHAIN FV FRAGMENT (MAB735) COMPLEXED WITH OCTASIALIC ACID  |   BETA-SANDWICH, IMMUNOGLOBULIN FOLD, SINGLE CHAIN FV FRAGMENT, ANTI- POLYSIALIC ACID, ALPHA2-8 LINKED POLYSIALIC ACID, IMMUNE SYSTEM 
3wbd:B   (ILE129) to   (SER243)  CRYSTAL STRUCTURE OF ANTI-POLYSIALIC ACID ANTIBODY SINGLE CHAIN FV FRAGMENT (MAB735) COMPLEXED WITH OCTASIALIC ACID  |   BETA-SANDWICH, IMMUNOGLOBULIN FOLD, SINGLE CHAIN FV FRAGMENT, ANTI- POLYSIALIC ACID, ALPHA2-8 LINKED POLYSIALIC ACID, IMMUNE SYSTEM 
2iff:H     (GLN3) to   (SER115)  STRUCTURE OF AN ANTIBODY-LYSOZYME COMPLEX: EFFECT OF A CONSERVATIVE MUTATION  |   IMMUNOGLOBULIN/HYDROLASE(O-GLYCOSYL), IMMUNOGLOBULIN-HYDROLASE(O- GLYCOSYL) COMPLEX 
4ma1:E     (LEU4) to   (SER112)  UNLIGANDED 3 CRYSTAL STRUCTURE OF S25-26 FAB  |   CARBOHYDRATE/SUGAR BINDING, IMMUNE SYSTEM 
2wzp:E     (VAL2) to   (VAL121)  STRUCTURES OF LACTOCOCCAL PHAGE P2 BASEPLATE SHED LIGHT ON A NOVEL MECHANISM OF HOST ATTACHMENT AND ACTIVATION IN SIPHOVIRIDAE  |   BASEPLATE, VIRAL PROTEIN 
2wzp:K     (GLN3) to   (SER122)  STRUCTURES OF LACTOCOCCAL PHAGE P2 BASEPLATE SHED LIGHT ON A NOVEL MECHANISM OF HOST ATTACHMENT AND ACTIVATION IN SIPHOVIRIDAE  |   BASEPLATE, VIRAL PROTEIN 
2ih3:A     (GLN3) to   (SER117)  ION SELECTIVITY IN A SEMI-SYNTHETIC K+ CHANNEL LOCKED IN THE CONDUCTIVE CONFORMATION  |   ION CHANNEL D-AMINO ACID SEMI-SYNTHETIC, MEMBRANE PROTEIN 
3we6:A     (VAL2) to   (SER116)  CRYSTAL STRUCTURE OF ANTI-PROSTAGLANDIN E2 FAB FRAGMENT  |   IMMUNOGLOBLIN, ANTI-PROSTAGLANDIN E2 ANTIBODY, PROSTAGLANDIN E2, IMMUNE SYSTEM 
3j2x:B   (VAL502) to   (SER616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB M242  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY M242, IMMUNE SYSTEM 
3j2x:D  (VAL1502) to  (SER1616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB M242  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY M242, IMMUNE SYSTEM 
3j2x:F  (VAL2502) to  (SER2616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB M242  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY M242, IMMUNE SYSTEM 
3j2x:H  (VAL3502) to  (SER3616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB M242  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY M242, IMMUNE SYSTEM 
3j30:B   (VAL502) to   (SER616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB CHK152  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY CHK152, IMMUNE SYSTEM 
3j30:D  (VAL1502) to  (SER1616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB CHK152  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY CHK152, IMMUNE SYSTEM 
3j30:F  (VAL2502) to  (SER2616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB CHK152  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY CHK152, IMMUNE SYSTEM 
3j30:H  (VAL3502) to  (SER3616)  ELECTRON CRYO-MICROSCOPY OF CHIKUNGUNYA VLP IN COMPLEX WITH NEUTRALIZING ANTIBODY FAB CHK152  |   ALPHA VIRUS, CHIKUNGUNYA VLP, NEUTRALIZING ANTIBODY CHK152, IMMUNE SYSTEM 
2ij0:C     (GLY1) to   (LEU117)  STRUCTURAL BASIS OF T CELL SPECIFICITY AND ACTIVATION BY THE BACTERIAL SUPERANTIGEN TOXIC SHOCK SYNDROME TOXIN-1  |   SUPERANTIGEN, PROTEIN-PROTEIN INTERACTION, X-RAY CRYSTALLOGRAPHY, PROTEIN BINDING 
1uwg:H     (GLN3) to   (SER112)  MOLECULAR MECHANISM OF ENANTIOSELECTIVE PROTON TRANSFER TO CARBON IN CATALYTIC ANTIBODY 14D9  |   ANTIBODY, CATALYTIC ANTIBODY 
1uwg:Y     (GLN3) to   (SER112)  MOLECULAR MECHANISM OF ENANTIOSELECTIVE PROTON TRANSFER TO CARBON IN CATALYTIC ANTIBODY 14D9  |   ANTIBODY, CATALYTIC ANTIBODY 
3wfh:A     (VAL2) to   (VAL115)  CRYSTAL STRUCTURE OF ANTI-PROSTAGLANDIN E2 FAB FRAGMENT PGE2 COMPLEX  |   IMMUNOGLOBLIN, ANTI-PROSTAGLANDIN E2 ANTIBODY, PROSTAGLANDIN E2, FAB FRAGMENT BY PAPAIN DIGESTION, IMMUNE SYSTEM 
1uz6:H     (VAL2) to   (VAL111)  ANTI-LEWIS X FAB FRAGMENT UNCOMPLEXED  |   IMMUNE SYSTEM, ANTIBODY/COMPLEX, ANTIBODY, ANTI-CARBOHYDRATE 
1uz6:P     (VAL2) to   (VAL111)  ANTI-LEWIS X FAB FRAGMENT UNCOMPLEXED  |   IMMUNE SYSTEM, ANTIBODY/COMPLEX, ANTIBODY, ANTI-CARBOHYDRATE 
3whx:A     (VAL2) to   (VAL115)  CRYSTAL STRUCTURE OF ANTI-PROSTAGLANDIN E2 FAB FRAGMENT PGE1 COMPLEX  |   IMMUNOGLOBLIN, ANTI-PROSTAGLANDIN E2 ANTIBODY, PROSTAGLANDIN E2, IMMUNE SYSTEM 
3wif:A     (VAL2) to   (VAL115)  CRYSTAL STRUCTURE OF ANTI-PROSTAGLANDIN E2 FAB FRAGMENT 9CL-PGF2BETA COMPLEX  |   IMMUNOGLOBLIN, ANTI-PROSTAGLANDIN E2 ANTIBODY, PROSTAGLANDIN E2, IMMUNE SYSTEM 
1v7n:H     (VAL2) to   (SER115)  HUMAN THROMBOPOIETIN FUNCTIONAL DOMAIN COMPLEXED TO NEUTRALIZING ANTIBODY TN1 FAB  |   THROMBOPOIETIN, FAB FRAGMENT, COMPLEX (CYTOKINE/ANTIBODY), IMMUNE SYSTEM/CYTOKINE COMPLEX 
1v7n:I     (LYS3) to   (SER115)  HUMAN THROMBOPOIETIN FUNCTIONAL DOMAIN COMPLEXED TO NEUTRALIZING ANTIBODY TN1 FAB  |   THROMBOPOIETIN, FAB FRAGMENT, COMPLEX (CYTOKINE/ANTIBODY), IMMUNE SYSTEM/CYTOKINE COMPLEX 
5anm:D     (VAL2) to   (SER120)  CRYSTAL STRUCTURE OF IGE FC IN COMPLEX WITH A NEUTRALIZING ANTIBODY  |   IMMUNE SYSTEM, THERAPEUTIC ANTIBODY, IGG, IGE, ASTHMA 
4mqs:B     (GLN3) to   (VAL119)  STRUCTURE OF ACTIVE HUMAN M2 MUSCARINIC ACETYLCHOLINE RECEPTOR BOUND TO THE AGONIST IPEROXO  |   G PROTEIN-COUPLED RECEPTOR, MUSCARINIC ACETYLCHOLINE RECEPTOR, SIGNALING PROTEIN 
1jnh:B     (VAL2) to   (VAL117)  CRYSTAL STRUCTURE OF FAB-ESTRADIOL COMPLEXES  |   IGG FOLD, ANTIBODY-HAPTEN COMPLEX, ESTRADIOL, IMMUNE SYSTEM 
1jnh:F     (VAL2) to   (VAL117)  CRYSTAL STRUCTURE OF FAB-ESTRADIOL COMPLEXES  |   IGG FOLD, ANTIBODY-HAPTEN COMPLEX, ESTRADIOL, IMMUNE SYSTEM 
1jnl:H     (GLN3) to   (SER113)  CRYSTAL STRUCTURE OF FAB-ESTRADIOL COMPLEXES  |   IGG FOLD, ANTIBODY-HAPTEN COMPLEX, ESTRADIOL, IMMUNE SYSTEM 
1jnn:H     (GLN3) to   (SER113)  CRYSTAL STRUCTURE OF FAB-ESTRADIOL COMPLEXES  |   IGG FOLD, ANTIBODY-HAPTEN COMPLEX, ESTRADIOL, IMMUNE SYSTEM 
3j7e:H   (VAL117) to   (SER236)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:B   (VAL117) to   (SER236)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:D   (VAL117) to   (SER236)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:F   (VAL117) to   (SER236)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
5awn:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 BROADLY NEUTRALIZING ANTIBODY 3BC176 FAB  |   HIV-1, ENV, BROADLY NEUTRALIZING ANTIBODY, IMMUNE SYSTEM 
4mxv:Y     (VAL2) to   (SER112)  STRUCTURE OF LYMPHOTOXIN ALPHA BOUND TO ANTI-LTA FAB  |   TNF, TUMOR NECROSIS FACTOR, TNFR RECEPTOR, LYMPHOTOXIN BETA RECEPTOR, LYMPHOTOXIN ALPHA, LYMPHOID DEVELOPMENT, TUMOR IMMUNITY, AUTO- IMMUNITY, CYTOKINE-IMMUNE SYSTEM COMPLEX 
4mxw:W     (GLU1) to   (SER117)  STRUCTURE OF HETEROTRIMERIC LYMPHOTOXIN LTA1B2 BOUND TO LYMPHOTOXIN BETA RECEPTOR LTBR AND ANTI-LTA FAB  |   TNF, TUMOR NECROSIS FACTOR, TNFR RECEPTOR, LYMPHOTOXIN BETA RECEPTOR, LYMPHOTOXIN ALPHA, LYMPHOID DEVELOPMENT, TUMOR IMMUNITY, AUTO- IMMUNITY, CYTOKINE-IMMUNE SYSTEM COMPLEX 
4mxw:H     (GLU1) to   (SER117)  STRUCTURE OF HETEROTRIMERIC LYMPHOTOXIN LTA1B2 BOUND TO LYMPHOTOXIN BETA RECEPTOR LTBR AND ANTI-LTA FAB  |   TNF, TUMOR NECROSIS FACTOR, TNFR RECEPTOR, LYMPHOTOXIN BETA RECEPTOR, LYMPHOTOXIN ALPHA, LYMPHOID DEVELOPMENT, TUMOR IMMUNITY, AUTO- IMMUNITY, CYTOKINE-IMMUNE SYSTEM COMPLEX 
1jtp:B     (GLN3) to   (SER132)  DEGENERATE INTERFACES IN ANTIGEN-ANTIBODY COMPLEXES  |   IMMUNOGLOBULIN, HEAVY CHAIN ANTIBODY, VHH, INTERFACE, BINDING, ANTIBODY, HYDROLASE 
3x2d:H     (GLN3) to   (SER127)  CRYSTAL STRUCTURE OF MARBURG VIRUS GP IN COMPLEX WITH THE HUMAN SURVIVOR ANTIBODY MR78  |   MARBURG, GLYCOPROTEIN, ANTIBODY, VIRUS, NEUTRALIZATION, FUSION, NIEMANN PICK C1 (NPC1) RECEPTOR, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
2jb6:H     (GLN3) to   (SER119)  FAB FRAGMENT IN COMPLEX WITH SMALL MOLECULE HAPTEN, CRYSTAL FORM-2  |   CDR, TSC, FAB, HUCAL, FLUORESCENT DYE, IMMUNOGLOBULIN DOMAIN, ANTIBODY FRAGMENT, DIAGNOSTIC IMAGING, IMMUNE SYSTEM 
2xqy:G     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF PSEUDORABIES CORE FRAGMENT OF GLYCOPROTEIN H IN COMPLEX WITH FAB D6.3  |   IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX, ENVELOPE PROTEIN 
3zdx:E     (VAL2) to   (SER118)  INTEGRIN ALPHAIIB BETA3 HEADPIECE AND RGD PEPTIDE COMPLEX  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX 
3zdx:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIB BETA3 HEADPIECE AND RGD PEPTIDE COMPLEX  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX 
2jk5:A     (GLN3) to   (SER117)  POTASSIUM CHANNEL KCSA IN COMPLEX WITH TETRABUTYLAMMONIUM IN HIGH K  |   IMMUNE SYSTEM-METAL TRANSPORT COMPLEX, QUATERNARY AMMONIUM, PROTEIN-ANTIBODY FAB COMPLEX, IONIC CHANNEL, ION TRANSPORT 
1k4c:A     (GLN3) to   (SER117)  POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH CONCENTRATION OF K+  |   K CHANNEL, PROTEIN-ANTIBODY FAB COMPLEX, MEMBRANE PROTEIN 
1wej:H     (VAL2) to   (SER116)  IGG1 FAB FRAGMENT (OF E8 ANTIBODY) COMPLEXED WITH HORSE CYTOCHROME C AT 1.8 A RESOLUTION  |   IMMUNOGLOBULIN, IGG1 KAPPA, FAB FRAGMENT, HORSE CYTOCHROME C, COMPLEX (ANTIBODY/ELECTRON TRANSPORT) 
1kb5:B     (LEU3) to   (THR115)  MURINE T-CELL RECEPTOR VARIABLE DOMAIN/FAB COMPLEX  |   T-CELL RECEPTOR, STRAND SWITCH, FAB, ANTICLONOTYPIC, (IMMUNOGLOBULIN/RECEPTOR), COMPLEX (IMMUNOGLOBULIN/RECEPTOR) COMPLEX 
4nhg:D     (GLN3) to   (VAL121)  CRYSTAL STRUCTURE OF 2G12 IGG DIMER  |   IG FOLD, ANTIBODY, IMMUNE SYSTEM 
4nik:B   (LEU138) to   (VAL243)  STRUCTURE OF HUMAN GANKYRIN IN COMPLEX TO THE SINGLE CHAIN ANTIBODY F5  |   BETA-HAIRPIN-ALPHA-HAIRPIN REPEAT, ONCOPROTEIN, 26S PROTEASOME, ONCOPROTEIN-IMMUNE SYSTEM COMPLEX 
4nkm:A     (VAL2) to   (VAL120)  CRYSTAL STRUCTURE OF ENGINEERED ANTI-EE SCFV ANTIBODY FRAGMENT  |   ANTIBODY FRAGMENT, EYMPME BINDING, IMMUNE SYSTEM, IMMUNE SYSTEM- CHAPERONE COMPLEX 
4nkm:C     (GLN1) to   (SER121)  CRYSTAL STRUCTURE OF ENGINEERED ANTI-EE SCFV ANTIBODY FRAGMENT  |   ANTIBODY FRAGMENT, EYMPME BINDING, IMMUNE SYSTEM, IMMUNE SYSTEM- CHAPERONE COMPLEX 
5bzw:B     (GLN1) to   (THR110)  CRYSTAL STRUCTURE OF PCDN-27B, AN ANTIBODY FROM THE PCDN FAMILY OF HIV-1 ANTIBODIES  |   HIV, ANTIBODY, FAB, IMMUNE SYSTEM 
5c2b:H     (GLN3) to   (GLN119)  ANTI-CXCL13 PARENTAL SCFV - 3B4  |   ANTI-CXCL13, SCFV, IMMUNE SYSTEM 
3jbq:h     (GLN3) to   (SER112)  DOMAIN ORGANIZATION AND CONFORMATIONAL PLASTICITY OF THE G PROTEIN EFFECTOR, PDE6  |   PHOSPHODIESTERASE, PHOTORECEPTOR, PDE6, HYDROLASE-IMMUNE SYSTEM COMPLEX 
4npy:B     (VAL2) to   (LYS105)  CRYSTAL STRUCTURE OF GERMLINE FAB PGT121, A PUTATIVE PRECURSOR OF THE BROADLY REACTIVE AND POTENT HIV-1 NEUTRALIZING ANTIBODY  |   IGG-FOLD, ANTI-HIV ANTIBODY PRECURSOR, HIV ENV GP120, IMMUNE SYSTEM 
3ztj:G     (GLN1) to   (VAL111)  STRUCTURE OF INFLUENZA A NEUTRALIZING ANTIBODY SELECTED FROM CULTURES OF SINGLE HUMAN PLASMA CELLS IN COMPLEX WITH HUMAN H3 INFLUENZA HAEMAGGLUTININ.  |   IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX, X31, MONOCLONAL ANTIBODY 
3ztj:K     (GLN3) to   (VAL111)  STRUCTURE OF INFLUENZA A NEUTRALIZING ANTIBODY SELECTED FROM CULTURES OF SINGLE HUMAN PLASMA CELLS IN COMPLEX WITH HUMAN H3 INFLUENZA HAEMAGGLUTININ.  |   IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX, X31, MONOCLONAL ANTIBODY 
1x9q:A   (VAL153) to   (SER268)  4M5.3 ANTI-FLUORESCEIN SINGLE CHAIN ANTIBODY FRAGMENT (SCFV)  |   VERY HIGH AFFINITY, ANTIBODY BINDING, ELECTROSTATICS, DIRECTED EVOLUTION, SINGLE CHAIN ANTIBODY, IMMUNE SYSTEM 
4nyl:C     (VAL2) to   (VAL119)  CRYSTAL STRUCTURE OF ADALIMUMAB FAB FRAGMENT  |   IMMUNOGLOBULIN FOLDING, ANTIBODY FRAGMENT, TNF ALPHA, IMMUNE SYSTEM 
5c7k:B     (LEU4) to   (VAL106)  CRYSTAL STRUCTURE BG505 SOSIP GP140 HIV-1 ENV TRIMER BOUND TO BROADLY NEUTRALIZING ANTIBODIES PGT128 AND 8ANC195  |   HIV-1, SOSIP, PGT128, 8ANC195, IMMUNE SYSTEM 
1kxq:F     (GLN1) to   (SER119)  CAMELID VHH DOMAIN IN COMPLEX WITH PORCINE PANCREATIC ALPHA- AMYLASE  |   ALPHA 8 BETA 8, BETA BARREL, HYDROLASE, IMMUNE SYSTEM 
1kxq:G     (GLN1) to   (VAL118)  CAMELID VHH DOMAIN IN COMPLEX WITH PORCINE PANCREATIC ALPHA- AMYLASE  |   ALPHA 8 BETA 8, BETA BARREL, HYDROLASE, IMMUNE SYSTEM 
1kxq:H     (GLN1) to   (VAL118)  CAMELID VHH DOMAIN IN COMPLEX WITH PORCINE PANCREATIC ALPHA- AMYLASE  |   ALPHA 8 BETA 8, BETA BARREL, HYDROLASE, IMMUNE SYSTEM 
1xcq:B     (GLN3) to   (SER117)  COMPLEX HCV CORE-FAB 19D9D6-PROTEIN L MUTANT (D55A,L57H,Y64W) IN SPACE GROUP P21  |   CRYSTAL PACKING, FAB, PROTEIN L, PEPTIDE COMPLEX, IMMUNE SYSTEM 
1xcq:F     (ILE2) to   (VAL116)  COMPLEX HCV CORE-FAB 19D9D6-PROTEIN L MUTANT (D55A,L57H,Y64W) IN SPACE GROUP P21  |   CRYSTAL PACKING, FAB, PROTEIN L, PEPTIDE COMPLEX, IMMUNE SYSTEM 
3jcx:L     (LEU1) to   (ILE104)  CANINE PARVOVIRUS COMPLEXED WITH FAB E  |   PARVOVIRUS, ANTIBODY, VIRUS-IMMUNE SYSTEM COMPLEX 
1xf4:B     (VAL2) to   (SER112)  STRUCTURE OF LIGAND-FREE FAB DNA-1 IN SPACE GROUP P321 SOLVED FROM CRYSTALS WITH PERFECT HEMIHEDRAL TWINNING  |   ANTIBODY, FAB, IMMUNOGLOBULIN, ANTI-DNA, ANTI-SSDNA, AUTOANTIBODY, TWINNING, IMMUNE SYSTEM 
1xf3:H     (LYS3) to   (VAL111)  STRUCTURE OF LIGAND-FREE FAB DNA-1 IN SPACE GROUP P65  |   ANTIBODY, FAB, IMMUNOGLOBULIN, ANTI-DNA, ANTI-SSDNA, AUTOANTIBODY, IMMUNE SYSTEM 
1xf3:B     (VAL2) to   (SER112)  STRUCTURE OF LIGAND-FREE FAB DNA-1 IN SPACE GROUP P65  |   ANTIBODY, FAB, IMMUNOGLOBULIN, ANTI-DNA, ANTI-SSDNA, AUTOANTIBODY, IMMUNE SYSTEM 
43c9:B     (GLN3) to   (SER112)  CRYSTALLOGRAPHIC STRUCTURE OF THE ESTEROLYTIC AND AMIDOLYTIC 43C9 ANTIBODY  |   IMMUNOGLOBULIN 
2ykl:H     (LEU4) to   (THR110)  STRUCTURE OF HUMAN ANTI-NICOTINE FAB FRAGMENT IN COMPLEX WITH NICOTINE-11-YL-METHYL-(4-ETHYLAMINO-4-OXO)-BUTANOATE  |   IMMUNE SYSTEM, MONOCLONAL ANTIBODIES, ANTI-SMOKING VACCINE 
5cck:H     (VAL2) to   (SER115)  CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 BROADLY NEUTRALIZING ANTIBODY 3BC315 FAB  |   HIV-1, ENV, BNAB, ANTIBODY, IMMUNE SYSTEM 
5cd3:G     (VAL2) to   (SER111)  STRUCTURE OF IMMATURE VRC01-CLASS ANTIBODY DRVIA7  |   VRC01, HIV-1, CD4 BINDING SITE, GP120, IMMUNE SYSTEM 
5cd3:A     (VAL2) to   (SER111)  STRUCTURE OF IMMATURE VRC01-CLASS ANTIBODY DRVIA7  |   VRC01, HIV-1, CD4 BINDING SITE, GP120, IMMUNE SYSTEM 
5cd3:C     (VAL2) to   (SER111)  STRUCTURE OF IMMATURE VRC01-CLASS ANTIBODY DRVIA7  |   VRC01, HIV-1, CD4 BINDING SITE, GP120, IMMUNE SYSTEM 
5cd3:E     (VAL2) to   (SER111)  STRUCTURE OF IMMATURE VRC01-CLASS ANTIBODY DRVIA7  |   VRC01, HIV-1, CD4 BINDING SITE, GP120, IMMUNE SYSTEM 
1xgy:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF ANTI-META I RHODOPSIN FAB FRAGMENT K42- 41L  |   META-I, RHODOPSIN, FAB, IGG, K42-41L, PHAGE DISPLAY, ANTIBODY, IMMUNOGLOBULIN, ANTIBODY IMPRINTING, PEPTIDE MIMETICS, IMMUNE SYSTEM 
1xgy:I     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF ANTI-META I RHODOPSIN FAB FRAGMENT K42- 41L  |   META-I, RHODOPSIN, FAB, IGG, K42-41L, PHAGE DISPLAY, ANTIBODY, IMMUNOGLOBULIN, ANTIBODY IMPRINTING, PEPTIDE MIMETICS, IMMUNE SYSTEM 
3jwd:P     (VAL2) to   (SER112)  STRUCTURE OF HIV-1 GP120 WITH GP41-INTERACTIVE REGION: LAYERED ARCHITECTURE AND BASIS OF CONFORMATIONAL MOBILITY  |   HIV-1 VIRAL SPIKE, MOLECULAR MOTION, PROTEIN ARCHITECTURE, RECEPTOR- TRIGGERED ENTRY, TYPE 1 FUSION PROTEIN, CELL MEMBRANE, DISULFIDE BOND, GLYCOPROTEIN, HOST-VIRUS INTERACTION, IMMUNE RESPONSE, VIRAL PROTEIN 
2ypv:H     (GLN3) to   (SER118)  CRYSTAL STRUCTURE OF THE MENINGOCOCCAL VACCINE ANTIGEN FACTOR H BINDING PROTEIN IN COMPLEX WITH A BACTERICIDAL ANTIBODY  |   IMMUNE SYSTEM, VACCINE, MONOCLONAL ANTIBODY, MAB, EPITOPE MAPPING 
4ocn:C     (GLN4) to   (SER122)  CRYSTAL STRUCTURE OF THE RPN8-RPN11 MPN DOMAIN HETERODIMER, CRYSTAL FORM II  |   26S PROTEASOME, ISOPEPTIDASE ACTIVITY, REGULATORY PARTICLE, LID, UBIQUITIN, HYDROLASE, PROTEIN BINDING 
4ocy:H     (VAL2) to   (SER115)  FAB FOR METHOTREXATE (UNBOUND APO)  |   IGG1/K FAMILY, IMMUNE SYSTEM 
4odh:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN FAB CAP256-VRC26.UCA, A POTENT V1V2- DIRECTED HIV-1 NEUTRALIZING ANTIBODY  |   FAB, HIV-1, V1V2, CAP256, VRC26, IMMUNE SYSTEM 
4odu:A     (VAL2) to   (VAL111)  UNLIGANDED FAB STRUCTURE OF LIPID A-SPECIFIC ANTIBODY S1-15  |   CARBOHYDRATE BINDING, IMMUNE SYSTEM 
5cjq:H     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF A TRIMERIC INFLUENZA HEMAGGLUTININ STEM IN COMPLEX WITH AN BROADLY NEUTRALIZING ANTIBODY CR9114  |   HEMAGGLUTININ, TRIMER, INFLUENZA, IMMUNOGEN, MONOCLONAL, ANTIBODY, NEUTRALIZING, INFLUENZA VACCINE, GLYCOPROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4a6y:H     (LEU4) to   (SER119)  CRYSTAL STRUCTURE OF FAB FRAGMENT OF ANTI-(4-HYDROXY-3- NITROPHENYL)-ACETYL MURINE GERMLINE ANTIBODY BBE6.12H3  |   IMMUNE SYSTEM, ANTIBODY MULTISPECIFICITY, HUMORAL IMMUNE SYSTEM, COMPLEMENTARITY DETERMINING REGION FLEXIBILITY 
1m71:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A MONOCLONAL FAB SPECIFIC FOR SHIGELLA FLEXNERI Y LIPOPOLYSACCHARIDE  |   FAB-CARBOHYDRATE INTERACTIONS, ANTI-CARBOHYDRATE ANTIBODY, X-RAY DIFFRACRION, SHIGELLA O-ANTIGEN, IMMUNE SYSTEM 
1mci:B     (ALA3) to   (VAL109)  PRINCIPLES AND PITFALLS IN DESIGNING SITE DIRECTED PEPTIDE LIGANDS  |   IMMUNOGLOBULIN, IMMUNE SYSTEM 
1mck:B     (ALA3) to   (VAL109)  PRINCIPLES AND PITFALLS IN DESIGNING SITE DIRECTED PEPTIDE LIGANDS  |   IMMUNOGLOBULIN 
1mex:H     (VAL2) to   (SER112)  ANTIBODY CATALYSIS OF A BIMOLECULAR CYCLOADDITION REACTION  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
1mh5:B     (VAL2) to   (SER112)  THE STRUCTURE OF THE COMPLEX OF THE FAB FRAGMENT OF THE ESTEROLYTIC ANTIBODY MS6-164 AND A TRANSITION-STATE ANALOG  |   CATALYTIC ANTIBODY, ESTER HYDROLYSIS, ESTEROLYTIC, FAB, IMMUNOGLOBULIN, IMMUNE SYSTEM 
4aei:H     (VAL2) to   (VAL118)  CRYSTAL STRUCTURE OF THE AAHII-FAB4C1 COMPLEX  |   IMMUNE SYSTEM-TOXIN COMPLEX, ALPHA-TOXIN, CONFORMATIONAL REARRANGEMENT, COMBINING SITE, EPITOPE, PHARMACOLOGICAL SITE, VENOM, VOLTAGE-ACTIVATED SODIUM CHANNEL 
5d1x:B     (VAL2) to   (SER112)  ISDB NEAT2 BOUND BY D4-30  |   ISDB, NEAT2, GERMLINE ENCODED, IMMUNE SYSTEM 
4p2r:N     (VAL3) to   (PRO108)  CRYSTAL STRUCTURE OF THE 5CC7 TCR IN COMPLEX WITH 5C1/I-EK  |   T CELL RECEPTOR, PEPTIDE-MHC COMPLEX, IMMUNE SYSTEM 
4p3c:H     (VAL2) to   (VAL116)  MT1-MMP:FAB COMPLEX (FORM I)  |   IMMUNE SYSTEM 
4p3d:H     (VAL2) to   (SER117)  MT1-MMP:FAB COMPLEX (FORM II)  |   IMMUNE SYSTEM 
4p49:A   (VAL122) to   (SER243)  THE STRUCTURE OF A CHICKEN ANTI-PROSTATE SPECIFIC ANTIGEN SCFV  |   RECOMBINANT ANTIBODY, CHICKEN, CARDIAC TROPONIN I, SCFV, IMMUNOGLOBULIN, PHAGE DISPLAY, IMMUNE SYSTEM 
1mnu:H     (VAL2) to   (SER120)  UNLIGANDED BACTERICIDAL ANTIBODY AGAINST NEISSERIA MENINGITIDIS  |   MURINE IMMUNOGLOBULIN IGG2A KAPPA, BACTERICIDAL ANTIBODY, EPITOPE P1.16 OF PORA FROM NEISSERIA MENINGITIDIS, UNLIGANDED, IMMUNE SYSTEM 
1mre:H     (VAL2) to   (SER112)  PREPARATION, CHARACTERIZATION AND CRYSTALLIZATION OF AN ANTIBODY FAB FRAGMENT THAT RECOGNIZES RNA. CRYSTAL STRUCTURES OF NATIVE FAB AND THREE FAB-MONONUCLEOTIDE COMPLEXES  |   IMMUNOGLOBULIN 
1mrf:H     (VAL2) to   (SER112)  PREPARATION, CHARACTERIZATION AND CRYSTALLIZATION OF AN ANTIBODY FAB FRAGMENT THAT RECOGNIZES RNA. CRYSTAL STRUCTURES OF NATIVE FAB AND THREE FAB-MONONUCLEOTIDE COMPLEXES  |   IMMUNOGLOBULIN 
1yc8:B     (VAL2) to   (SER117)  CABAN33- Y37V/E44G/R45L TRIPLE MUTANT  |   ANTIBODY, CAMEL ANTIBODY, IMMUNE SYSTEM 
1mvf:A     (GLN3) to   (VAL124)  MAZE ADDICTION ANTIDOTE  |   PLASMID ADDICTION, CAMEL ANTIBODY, ADDICTION ANTIDOTE, IMMUNE SYSTEM 
5da4:A     (VAL5) to   (VAL123)  STRUCTURE OF A NANOBODY RECOGNIZING THE FUMARATE TRANSPORTER SLC26DG  |   MEMBRANE TRANSPORT PROTEIN, NANOBODY COMPLEX, IMMUNE SYSTEM 
5da4:B     (VAL5) to   (VAL123)  STRUCTURE OF A NANOBODY RECOGNIZING THE FUMARATE TRANSPORTER SLC26DG  |   MEMBRANE TRANSPORT PROTEIN, NANOBODY COMPLEX, IMMUNE SYSTEM 
5da4:C     (VAL5) to   (VAL123)  STRUCTURE OF A NANOBODY RECOGNIZING THE FUMARATE TRANSPORTER SLC26DG  |   MEMBRANE TRANSPORT PROTEIN, NANOBODY COMPLEX, IMMUNE SYSTEM 
1yjd:C     (ILE3) to   (LYS118)  CRYSTAL STRUCTURE OF HUMAN CD28 IN COMPLEX WITH THE FAB FRAGMENT OF A MITOGENIC ANTIBODY (5.11A1)  |   IGSF, CD28 HOMODIMER, IMMUNE SYSTEM-SIGNALING PROTEIN COMPLEX 
3kym:P     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF LI33 IGG2 DI-FAB  |   IGG2 MONOCLONAL ANTI-LINGO, IMMUNE SYSTEM 
1ynk:H     (VAL2) to   (SER111)  IDENTIFICATION OF KEY RESIDUES OF THE NC6.8 FAB ANTIBODY FRAGMENT BINDING TO SYNTHETIC SWEETENERS: CRYSTAL STRUCTURE OF NC6.8 CO-CRYSTALIZED WITH HIGH POTENCY SWEETENER COMPOUND SC45647  |   SWEETENER COMPOUND, SC45657 AND NC174, IMMUNE SYSTEM 
1yqv:H     (VAL2) to   (SER112)  THE CRYSTAL STRUCTURE OF THE ANTIBODY FAB HYHEL5 COMPLEX WITH LYSOZYME AT 1.7A RESOLUTION  |   HYHEL-5 ANTIBODY, LYSOZYME, IMMUNE SYSTEM 
4pjb:E     (GLN2) to   (GLN112)  STRUCTURE OF HUMAN MR1-5-OP-RU IN COMPLEX WITH HUMAN MAIT B-F3-C1 TCR  |   MR1, TCR, IMMUNE COMPLEX, 5-OP-RU, IMMUNE SYSTEM 
1yuh:H     (VAL2) to   (SER117)  FAB FRAGMENT  |   ANTI-NITROPHENOL, LAMBDA LIGHT CHAIN, IMMUNOGLOBULIN, IMMUNE SYSTEM 
1yyl:R  (VAL1002) to  (SER1112)  CRYSTAL STRUCTURE OF CD4M33, A SCORPION-TOXIN MIMIC OF CD4, IN COMPLEX WITH HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN AND ANTI-HIV-1 ANTIBODY 17B  |   HIV-1, GP120, YU2, SCORPION TOXIN, CD4 MIMIC, CD4M33, ANTIBODY, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1yym:H     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF F23, A SCORPION-TOXIN MIMIC OF CD4, IN COMPLEX WITH HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN AND ANTI-HIV-1 ANTIBODY 17B  |   HIV-1, GP120, YU2, SCORPION TOXIN, CD4 MIMIC, F23, ANTIBODY, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
3l7f:E     (VAL2) to   (VAL119)  STRUCTURE OF IL-13 ANTIBODY H2L6, A HUMANIZED VARIANT OF C836  |   IMMUNOGLOBULIN FOLD, MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
4poz:D     (GLU1) to   (SER121)  FAB FRAGMENT OF DER P 1 SPECIFIC ANTIBODY 10B9  |   ANTIBODY, ALLERGY, IMMUNE SYSTEM 
4ppt:A     (GLN1) to   (SER120)  ENGINEERED DUAL SPECIFIC VHH ANTIBODY IN COMPLEX WITH A NICKEL (II) ION  |   SINGLE DOMAIN ANTIBODY, VHH, METALLOREGULATION, BISPECIFIC, DUAL- FUNCTION, PROTEIN ENGINEERING, AFFINITY CONTROL, PROTEIN-SWITCH, ANTIBODY ENGINEERING, NICKEL BINDING PROTEIN, PROTEIN-METAL COORDINATION GEOMETRY, LOOP DYNAMICS, PROTEIN FLEXIBILITY, ANTIBODY- METAL COMPLEX, IMMUNE SYSTEM 
4pri:E     (GLY3) to   (GLU125)  CRYSTAL STRUCTURE OF TK3 TCR-HLA-B*35:08-HPVG COMPLEX  |   HUMAN LEUKOCYTE ANTIGEN CLASS I, EPSTEIN-BARR VIRUS, VIRAL ESCAPE, T CELL RECEPTOR, VIRAL IMMUNITY, IMMUNE SYSTEM 
4pub:H     (VAL2) to   (VAL120)  CRYSTAL STRUCTURE OF FAB DX-2930  |   FAB, ANTIBODY, KALLIKREIN, BLOOD, PLASMA, PLASMA KALLIKREIN-MEDIATED EDEMA, ACUTE HEREDITARY ANGIOEDEMA, HAE, IMMUNE SYSTEM 
5dr5:H     (GLN3) to   (VAL113)  CRYSTAL STRUCTURE OF THE SCLEROSTIN-NEUTRALIZING FAB ABD09097  |   SCLEROSTIN-NEUTRALIZING, FAB, WNT INHIBITOR, IMMUNE SYSTEM 
5dsc:A     (GLN3) to   (SER112)  CONTEXT-INDEPENDENT ANTI-HYPUSINE ANTIBODY FABHPU24.B IN COMPLEX WITH HYPUSINE  |   HYPUSINE, ANTIBODY, FABHPU24.B, EIF5A, IMMUNE SYSTEM 
5dsc:C     (GLN3) to   (SER112)  CONTEXT-INDEPENDENT ANTI-HYPUSINE ANTIBODY FABHPU24.B IN COMPLEX WITH HYPUSINE  |   HYPUSINE, ANTIBODY, FABHPU24.B, EIF5A, IMMUNE SYSTEM 
5dur:H     (LEU2) to   (SER120)  INFLUENZA A VIRUS H5 HEMAGGLUTININ GLOBULAR HEAD IN COMPLEX WITH ANTIBODY 100F4  |   INFLUENZA VIRUS, ANTIBODY, COMPLEX, NEUTRALIZE, IMMUNE SYSTEM 
4q0x:H     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF NON-NEUTRALIZING ANTIBODY IN COMPLEX WITH EPITOPE II OF HCV E2  |   ANTIBODY, ANTI-HCV E2, HCV E2, IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX 
4at6:P     (ALA2) to   (LEU109)  FAB FRAGMENT OF ANTIPORPHYRIN ANTIBODY 14H7  |   IMMUNE SYSTEM, METALLOPORPHYRIN, CATALYTIC ANTIBODY, PEROXIDASE 
1zvh:A     (ASP1) to   (SER124)  CRYSTAL STUCTURE OF THE VHH DOMAIN D2-L24 IN COMPLEX WITH HEN EGG WHITE LYSOZYME  |   BETA SANDWICH, IMMUNOGLOBULIN FOLD, PROTEIN-PROTEIN HETEROCOMPLEX, ALPHA-BETA ORTHOGONAL BUNDLE, HYDROLASE/IMMUNE SYSTEM COMPLEX 
5e6i:F     (LEU4) to   (PRO113)  CRYSTAL STRUCTURE OF TCR PF8 IN COMPLEX WITH FLU MP(58-66) EPITOPE PRESENTED BY HLA-A2  |   IMMUNE SYSTEM, TCR, HLA-A2, FLU, COMPLEX 
5e6i:P     (GLN3) to   (PRO113)  CRYSTAL STRUCTURE OF TCR PF8 IN COMPLEX WITH FLU MP(58-66) EPITOPE PRESENTED BY HLA-A2  |   IMMUNE SYSTEM, TCR, HLA-A2, FLU, COMPLEX 
5ebg:B     (LEU2) to   (PHE113)  CRYSTAL STRUCTURE OF BOVINE CD8AA HOMODIMER  |   BOVINE, CD8ALPHA, HOMODIMER, IMMUNOLOGY, IMMUNE SYSTEM 
3b2u:H     (VAL2) to   (SER120)  CRYSTAL STRUCTURE OF ISOLATED DOMAIN III OF THE EXTRACELLULAR REGION OF THE EPIDERMAL GROWTH FACTOR RECEPTOR IN COMPLEX WITH THE FAB FRAGMENT OF IMC-11F8  |   CELL SURFACE RECEPTOR; GLYCOPROTEIN; ANTIGEN:ANTIBODY COMPLEX; FAB FRAGMENT; ANTITUMOR; DRUG, ANTI-ONCOGENE, ATP-BINDING, CELL CYCLE, DISEASE MUTATION, KINASE, MEMBRANE, NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, SECRETED, TRANSFERASE, TRANSMEMBRANE, TYROSINE- PROTEIN KINASE, IMMUNE SYSTEM-TRANSFERASE COMPLEX 
3b2u:J     (VAL2) to   (VAL119)  CRYSTAL STRUCTURE OF ISOLATED DOMAIN III OF THE EXTRACELLULAR REGION OF THE EPIDERMAL GROWTH FACTOR RECEPTOR IN COMPLEX WITH THE FAB FRAGMENT OF IMC-11F8  |   CELL SURFACE RECEPTOR; GLYCOPROTEIN; ANTIGEN:ANTIBODY COMPLEX; FAB FRAGMENT; ANTITUMOR; DRUG, ANTI-ONCOGENE, ATP-BINDING, CELL CYCLE, DISEASE MUTATION, KINASE, MEMBRANE, NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, SECRETED, TRANSFERASE, TRANSMEMBRANE, TYROSINE- PROTEIN KINASE, IMMUNE SYSTEM-TRANSFERASE COMPLEX 
4qhl:A     (GLN1) to   (ALA112)  I3.2 (UNBOUND) FROM CH103 LINEAGE  |   FAB FRAGMENT, HIV-1, ANTIBODY, IMMUNE SYSTEM 
4qkx:B     (GLN5) to   (SER121)  STRUCTURE OF BETA2 ADRENOCEPTOR BOUND TO A COVALENT AGONIST AND AN ENGINEERED NANOBODY  |   7-TRANSMEMBRANE HELICES, SIGNAL TRANSDUCTION, G PROTEINS, MEMBRANE, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX 
3b9k:H     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF CD8ALPHA-BETA IN COMPLEX WITH YTS 156.7 FAB  |   IMMUNOGLOBULIN DOMAIN, V-SET, IGSF DIMER, GLYCOPROTEIN, IMMUNE RESPONSE, MEMBRANE, TRANSMEMBRANE, IMMUNE SYSTEM 
3b9k:A     (ALA4) to   (LEU119)  CRYSTAL STRUCTURE OF CD8ALPHA-BETA IN COMPLEX WITH YTS 156.7 FAB  |   IMMUNOGLOBULIN DOMAIN, V-SET, IGSF DIMER, GLYCOPROTEIN, IMMUNE RESPONSE, MEMBRANE, TRANSMEMBRANE, IMMUNE SYSTEM 
3b9k:D     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF CD8ALPHA-BETA IN COMPLEX WITH YTS 156.7 FAB  |   IMMUNOGLOBULIN DOMAIN, V-SET, IGSF DIMER, GLYCOPROTEIN, IMMUNE RESPONSE, MEMBRANE, TRANSMEMBRANE, IMMUNE SYSTEM 
5eor:H     (GLN4) to   (SER115)  STRUCTURE OF THE MURINE ANTIBODY FAB 8E3 BOUND TO THE VACCINIA VIRUS A27 PEPTIDE 101-110  |   ANTIBODY, FAB, VACCINIA VIRUS, NEUTRALIZING, LINEAR EPITOPE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
3mlt:B     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF ANTI-HIV-1 V3 FAB 2557 IN COMPLEX WITH A UG1033 V3 PEPTIDE  |   HUMAN MONOCLONAL ANTIBODY, FAB, HIV-1, GP120, THIRD VARIABLE LOOP, ANTIBODY-ANTIGEN INTERACTION, IMMUNE SYSTEM 
3mme:C     (GLN3) to   (SER112)  STRUCTURE AND FUNCTIONAL DISSECTION OF PG16, AN ANTIBODY WITH BROAD AND POTENT NEUTRALIZATION OF HIV-1  |   NEUTRALIZING ANTIBODIES, LONG CDRH3, HIV-1, IMMUNE SYSTEM 
5esa:A     (GLN3) to   (SER118)  CRYSTAL STRUCTURE OF ANTI-HCV E2 ANTIBODY HC84-26  |   HEPATITIS C VIRUS, E2 GLYCOPROTEIN, ANTIBODY, IMMUNE SYSTEM 
4qti:H     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF HUMAN UPAR IN COMPLEX WITH ANTI-UPAR FAB 8B12  |   ALLOSTERIC REGULATION, CELL SURFACE, IMMUNE SYSTEM 
5euo:G     (LEU4) to   (PRO114)  PF6-M1-HLA-A2  |   TCR, FLU, MHC, IMMUNE SYSTEM 
3mv7:E     (VAL4) to   (GLU125)  CRYSTAL STRUCTURE OF THE TK3 TCR IN COMPLEX WITH HLA-B*3501/HPVG  |   HLA B*3501, EBV, TCR, TCRPMHC COMPLEX, HPVG, TCR POLYMORPHISM, IMMUNE SYSTEM 
3bsz:H     (VAL2) to   (SER117)  CRYSTAL STRUCTURE OF THE TRANSTHYRETIN-RETINOL BINDING PROTEIN-FAB COMPLEX  |   RETINOL, VITAMIN A, PROTEIN-PROTEIN COMPLEX, RBP, TTR, AMYLOID, DISEASE MUTATION, GLYCOPROTEIN, HORMONE, POLYNEUROPATHY, RETINOL- BINDING, SECRETED, THYROID HORMONE, TRANSPORT, SENSORY TRANSDUCTION, VISION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
3bsz:N     (VAL2) to   (SER117)  CRYSTAL STRUCTURE OF THE TRANSTHYRETIN-RETINOL BINDING PROTEIN-FAB COMPLEX  |   RETINOL, VITAMIN A, PROTEIN-PROTEIN COMPLEX, RBP, TTR, AMYLOID, DISEASE MUTATION, GLYCOPROTEIN, HORMONE, POLYNEUROPATHY, RETINOL- BINDING, SECRETED, THYROID HORMONE, TRANSPORT, SENSORY TRANSDUCTION, VISION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4qxw:B     (THR3) to   (TYR107)  CRYSTAL STRUCTURE OF THE HUMAN CEACAM1 MEMBRANE DISTAL AMINO TERMINAL (N)-DOMAIN  |   CELL ADHESION 
5f97:F     (GLN4) to   (SER114)  BLOOD GROUP ANTIGEN BINDING ADHESIN BABA OF HELICOBACTER PYLORI STRAIN A730 IN COMPLEX WITH BLOOD GROUP A TYPE 1 HEXASACCHARIDE  |   ADHESIN, LECTIN, NANOBODY, COMPLEX, CELL ADHESION 
3bz4:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A SHIGELLA FLEXNERI 2A O-AG DECASACCHARIDE  |   O-ANTIGEN, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
3bz4:D     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A SHIGELLA FLEXNERI 2A O-AG DECASACCHARIDE  |   O-ANTIGEN, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
3bz4:F     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A SHIGELLA FLEXNERI 2A O-AG DECASACCHARIDE  |   O-ANTIGEN, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
4buh:A     (VAL2) to   (SER125)  HUMAN IGE AGAINST THE MAJOR ALLERGEN BET V 1 - CRYSTAL STRUCTURE OF CLONE M0418 SCFV  |   IMMUNE SYSTEM, ANTIBODY, ALLERGEN 
4r4n:J     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF THE ANTI-HIV-1 ANTIBODY 2.2C IN COMPLEX WITH HIV- 1 93UG037 GP120  |   HIV-1 ATTACHMENT GLYCOPROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM-INHIBITOR COMPLEX 
3c5s:D     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF MONOCLONAL FAB F22-4 SPECIFIC FOR SHIGELLA FLEXNERI 2A O-AG  |   ANTIBODY, O-ANTIGEN, LPS, SHIGELLA FLEXNERI, IMMUNE SYSTEM 
3c6s:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A SHIGELLA FLEXNERI 2A O-AG PENTADECASACCHARIDE  |   O-ANTIGEN, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
3c6s:D     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF FAB F22-4 IN COMPLEX WITH A SHIGELLA FLEXNERI 2A O-AG PENTADECASACCHARIDE  |   O-ANTIGEN, LPS, SHIGELLA FLEXNERI, ANTIBODY COMPLEX, IMMUNE SYSTEM 
4r7d:E     (VAL2) to   (VAL116)  FAB HU 15C1  |   TLR4 ANTIBODY, IMMUNE SYSTEM 
4r7n:S     (GLN1) to   (VAL116)  FAB C2E3  |   TLR4 ANTIBODY, IMMUNE SYSTEM 
5fka:A     (ILE3) to   (ALA112)  CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN E IN COMPLEX WITH A T CELL RECEPTOR  |   IMMUNE SYSTEM, SUPERANTIGEN, STAPHYLCOCOCCAL ENTEROTOXIN, T CELL RECEPTOR, MAJOR HISTOCOMPATIBILITY COMPLEX 
4rfe:H     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF ADCC-POTENT ANTI-HIV-1 RHESUS MACAQUE ANTIBODY JR4 FAB  |   HIV-1 GP120 SPECIFIC ANTIBODY, CD4I ANTIBODY, ADCC, HIV-1 ENV, ANTI- HIV-1 ENV ANTIBODY JR4, IMMUNE SYSTEM 
3nh7:N     (ILE2) to   (VAL107)  CRYSTAL STRUCTURE OF THE NEUTRALIZING FAB FRAGMENT ABD1556 BOUND TO THE BMP TYPE I RECEPTOR IA  |   ANTIBODY-ANTIGEN COMPLEX, BMP RECEPTOR EXTRACELLULAR DOMAIN, BONE MORPHOGENETIC PROTEIN, IMMUNE SYSTEM 
3nh7:O     (ILE2) to   (VAL107)  CRYSTAL STRUCTURE OF THE NEUTRALIZING FAB FRAGMENT ABD1556 BOUND TO THE BMP TYPE I RECEPTOR IA  |   ANTIBODY-ANTIGEN COMPLEX, BMP RECEPTOR EXTRACELLULAR DOMAIN, BONE MORPHOGENETIC PROTEIN, IMMUNE SYSTEM 
3nid:E     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN ALPHAIIB BETA3 AND ITS COMPLEX WITH AN ALPAHIIB BETA3 -SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-BLOOD CLOTTING COMPLEX 
3nid:H     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN ALPHAIIB BETA3 AND ITS COMPLEX WITH AN ALPAHIIB BETA3 -SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-BLOOD CLOTTING COMPLEX 
3nif:E     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN IIB 3 AND ITS COMPLEX WITH AN IIB 3 - SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-BLOOD CLOTTING COMPLEX 
3nif:H     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN IIB 3 AND ITS COMPLEX WITH AN IIB 3 - SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-BLOOD CLOTTING COMPLEX 
3nig:E     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN IIB 3 AND ITS COMPLEX WITH AN IIB 3 - SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-IMMUNE SYSTEM COMPLEX, CELL ADHESION-BLOOD CLOTTING COMPLEX 
3nig:H     (VAL2) to   (SER118)  THE CLOSED HEADPIECE OF INTEGRIN IIB 3 AND ITS COMPLEX WITH AN IIB 3 - SPECIFIC ANTAGONIST THAT DOES NOT INDUCE OPENING  |   INTEGRIN, HEADPIECE, ALPHAIIB, BETA3, CELL ADHESION-IMMUNE SYSTEM COMPLEX, CELL ADHESION-BLOOD CLOTTING COMPLEX 
4c56:G     (ILE3) to   (ALA112)  X-RAY STRUCTURE OF THE COMPLEX BETWEEN STAPHYLOCOCCAL ENTEROTOXIN B, T CELL RECEPTOR AND MAJOR HISTOCOMPATIBILITY COMPLEX CLASS II  |   IMMUNE SYSTEM-TOXIN COMPLEX 
4c58:B     (GLN3) to   (VAL126)  STRUCTURE OF GAK KINASE IN COMPLEX WITH NANOBODY (NBGAK_4)  |   TRANSFERASE, KINASE, CONFORMATIONAL PLASTICITY, ACTIVATION 
3cmo:Y     (VAL2) to   (VAL111)  HIV NEUTRALIZING MONOCLONAL ANTIBODY YZ18  |   HIV-1, MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
4rqs:D     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF FULLY GLYCOSYLATED HIV-1 GP120 CORE BOUND TO CD4 AND 17B FAB  |   IMMUNOGLOBULIN FOLD, N-LINKED GLYCOSYLATION, IMMUNE SYSTEM 
3o11:H     (VAL2) to   (SER118)  ANTI-BETA-AMYLOID ANTIBODY C706 FAB IN SPACE GROUP C2  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
3o4l:E     (VAL5) to   (GLU117)  GENETIC AND STRUCTURAL BASIS FOR SELECTION OF A UBIQUITOUS T CELL RECEPTOR DEPLOYED IN EPSTEIN-BARR VIRUS  |   MHC I, IMMUNOGLOBULIN, ANTIGEN PRESENTATION, IMMUNE RECOGNITION, IMMUNE SYSTEM 
4s10:A     (GLN1) to   (VAL125)  GELSOLIN NANOBODY SHIELDING MUTANT PLASMA GELSOLIN FROM FURIN PROTEOLYSIS  |   GELSOLIN-LIKE, ACTIN-BINDING, METAL BINDING PROTEIN-IMMUNE SYSTEM COMPLEX 
4s10:B     (GLN1) to   (SER126)  GELSOLIN NANOBODY SHIELDING MUTANT PLASMA GELSOLIN FROM FURIN PROTEOLYSIS  |   GELSOLIN-LIKE, ACTIN-BINDING, METAL BINDING PROTEIN-IMMUNE SYSTEM COMPLEX 
4s1d:H     (VAL2) to   (SER119)  STRUCTURE OF IGG1 FAB FRAGMENT IN COMPLEX WITH BIOTINCYTIDINAMIDE  |   ANTIBODY, FAB FRAGMENT, HAPTEN, MAB_M33_FAB_FRAGMENT, IMMUNE SYSTEM 
4s1d:C     (GLN3) to   (SER119)  STRUCTURE OF IGG1 FAB FRAGMENT IN COMPLEX WITH BIOTINCYTIDINAMIDE  |   ANTIBODY, FAB FRAGMENT, HAPTEN, MAB_M33_FAB_FRAGMENT, IMMUNE SYSTEM 
4s1d:E     (GLN3) to   (VAL118)  STRUCTURE OF IGG1 FAB FRAGMENT IN COMPLEX WITH BIOTINCYTIDINAMIDE  |   ANTIBODY, FAB FRAGMENT, HAPTEN, MAB_M33_FAB_FRAGMENT, IMMUNE SYSTEM 
4s1d:O     (GLN3) to   (SER119)  STRUCTURE OF IGG1 FAB FRAGMENT IN COMPLEX WITH BIOTINCYTIDINAMIDE  |   ANTIBODY, FAB FRAGMENT, HAPTEN, MAB_M33_FAB_FRAGMENT, IMMUNE SYSTEM 
4tnv:F     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:G     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:H     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:U     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:V     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:W     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:X     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:Y     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:J     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnv:I     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB IN A NON-CONDUCTING CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:F     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:G     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:H     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:I     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:U     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:V     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:W     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:X     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4tnw:Y     (GLU1) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB AND POPC IN A LIPID-MODULATED CONFORMATION  |   MEMBRANE PROTEIN, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, CYS-LOOP RECEPTOR, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
4toy:H     (GLY2) to   (SER112)  STRUCTURE OF 35O22 FAB, A HIV-1 NEUTRALIZING ANTIBODY  |   HIV-1, ANTIBODY, FAB, NEUTRALIZING, IMMUNE SYSTEM 
4tqe:H     (GLN3) to   (SER120)  STRUCTURE OF TAU PEPTIDE IN COMPLEX WITH TAU5 ANTIBODY FAB FRAGMENT  |   INTRINSICALLY DISORDERED PROTEIN, IMMUNE SYSTEM 
5ggq:H     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF NIVOLUMAB FAB FRAGMENT  |   THERAPEUTIC ANTIBODY, IMMUNE SYSTEM 
5gir:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A FAB FRAGMENT WITH ITS LIGAND PEPTIDE  |   FAB, PEPTIDE LIGAND, MUTATION, IMMUNE SYSTEM 
5gir:A     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF A FAB FRAGMENT WITH ITS LIGAND PEPTIDE  |   FAB, PEPTIDE LIGAND, MUTATION, IMMUNE SYSTEM 
3dif:B     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF FABOX117  |   ANTIBODY FRAGMENTS, FABS, TRANSIENT EXPRESSION, STRUCTURAL GENOMICS, OXFORD PROTEIN PRODUCTION FACILITY, OPPF, IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM 
3dif:D     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF FABOX117  |   ANTIBODY FRAGMENTS, FABS, TRANSIENT EXPRESSION, STRUCTURAL GENOMICS, OXFORD PROTEIN PRODUCTION FACILITY, OPPF, IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM 
4tuj:A     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF MONOCLONAL ANTIBODY AGAINST NEUROBLASTOMA ASSOCIATED ANTIGEN.  |   ANTIBODY, NEUROBLASTOMA, IMMUNE SYSTEM 
4tuk:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF MONOCLONAL ANTIBODY AGAINST NEUROBLASTOMA ASSOCIATED ANTIGEN.  |   IMMUNE SYSTEM, NEUROBLASTOMA 
4tuo:A     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF MONOCLONAL ANTIBODY AGAINST NEUROBLASTOMA ASSOCIATED ANTIGEN.  |   NEUROBLASTOMA, IMMUNE SYSTEM 
3okm:B     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF UNLIGANDED S25-39  |   ANTIBODY, FAB, IGG, CARBOHYDRATE, IMMUNE SYSTEM 
5grz:A     (GLN3) to   (SER118)  CRYSTAL STRUCTURE OF DISULFIDE-BONDED DIABODY  |   DIABODY, ANTIBODY FRAGMENT, DISULFIDE BOND, IMMUNE SYSTEM 
3opz:H     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF TRANS-SIALIDASE IN COMPLEX WITH THE FAB FRAGMENT OF A NEUTRALIZING MONOCLONAL IGG ANTIBODY  |   SIX-BLADED BETA-PROPELLER NEURAMINIDASE IMMUNOGLOBULIN DOMAIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, HYDROLASE-IMMUNE SYSTEM COMPLEX 
3opz:I     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF TRANS-SIALIDASE IN COMPLEX WITH THE FAB FRAGMENT OF A NEUTRALIZING MONOCLONAL IGG ANTIBODY  |   SIX-BLADED BETA-PROPELLER NEURAMINIDASE IMMUNOGLOBULIN DOMAIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, HYDROLASE-IMMUNE SYSTEM COMPLEX 
3opz:J     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF TRANS-SIALIDASE IN COMPLEX WITH THE FAB FRAGMENT OF A NEUTRALIZING MONOCLONAL IGG ANTIBODY  |   SIX-BLADED BETA-PROPELLER NEURAMINIDASE IMMUNOGLOBULIN DOMAIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX, HYDROLASE-IMMUNE SYSTEM COMPLEX 
3or6:A     (GLN3) to   (SER117)  ON THE STRUCTURAL BASIS OF MODAL GATING BEHAVIOR IN K+CHANNELS - E71Q  |   INACTIVATION, ALPHA-HELICAL, POTASSIUM CHANNEL, IMMUNE SYSTEM- TRANSPORT PROTEIN COMPLEX 
3dv6:B     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF SAG506-01, TETRAGONAL, CRYSTAL 2  |   ANTIBODY, KDO, TWINNING, PSEUDO-SYMMETRY, IMMUNE SYSTEM 
4dcq:B     (ILE2) to   (SER118)  CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF 3B5H10, AN ANTIBODY-SPECIFIC FOR EXTENDED POLYGLUTAMINE REPEATS (ORTHORHOMBIC FORM)  |   FAB FRAGMENT, IMMUNOGLOBULIN DOMAIN, ANTI-POLYGLUTAMINE, POLYGLUTAMINE REPEATS, IMMUNE SYSTEM 
3dwt:B     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:C     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:D     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:E     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:F     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:G     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
3dwt:H     (GLN3) to   (SER127)  STRUCTURE OF CABBCII-10 NANOBODY  |   NANOBODY, HUMANIZATION, ANTIBODY, DROMEDARY VH DOMAIN, VHH DOMAIN, IMMUNE SYSTEM 
5hdb:E     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH RO-435054  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX, INTEGRIN INHIBITOR, RGD MIMETICS 
5hdb:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 IN COMPLEX WITH RO-435054  |   CELL ADHESION, PLATELET AGGREGATION, MEMBRANE PROTEIN-IMMUNE SYSTEM COMPLEX, INTEGRIN INHIBITOR, RGD MIMETICS 
5hho:D     (GLN3) to   (PRO111)  CRYSTAL STRUCTURE OF THE JM22 TCR IN COMPLEX WITH HLA-A*0201 IN COMPLEX WITH M1-G4E  |   HLA A*0201, INFLUENZA, M1, TCR, T CELL, IMMUNE SYSTEM 
5hhv:H     (VAL2) to   (SER112)  INHIBITING COMPLEX IL-17A AND IL-17RA INTERACTIONS WITH A LINEAR PEPTIDE  |   IL-17, INFLAMMATION, INHIBITOR, COMPLEX CRYSTAL STRUCTURE, IMMUNE SYSTEM-INHIBITOR COMPLEX 
5hi5:C     (VAL2) to   (SER112)  BINDING SITE ELUCIDATION AND STRUCTURE GUIDED DESIGN OF MACROCYCLIC IL-17A ANTAGONISTS  |   IL-17A, PSORIASIS, MD SIMULATION, SULFONYL FLUORIDE, INHIBITOR, MACROCYCLE, IMMUNE SYSTEM-INHIBITOR COMPLEX 
4u6v:H     (GLN3) to   (SER121)  MECHANISMS OF NEUTRALIZATION OF A HUMAN ANTI-ALPHA TOXIN ANTIBODY  |   ALPHA TOXIN, FAB, STAPHYLOCOCCUS AUREUS, MUTAGENESIS, IMMUNE SYSTEM 
3p9w:B     (GLU1) to   (VAL111)  CRYSTAL STRUCTURE OF AN ENGINEERED HUMAN AUTONOMOUS VH DOMAIN IN COMPLEX WITH VEGF  |   VH, CYSTINE KNOT CYTOKINE, VEGF-R, SIGNALING PROTEIN, SIGNALING PROTEIN-IMMUNE SYSTEM COMPLEX 
4udt:A     (GLY2) to   (ALA112)  T CELL RECEPTOR (TRAV22,TRBV7-9) STRUCTURE  |   IMMUNE SYSTEM, SUPERANTIGEN, STAPHYLCOCOCCAL ENTEROTOXIN, T CELL RECEPTOR, MAJOR HISTOCOMPATIBILITY COMPLEX 
4udu:A     (ILE3) to   (GLN115)  CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN E IN COMPLEX WITH A T CELL RECEPTOR  |   IMMUNE SYSTEM, SUPERANTIGEN, T CELL RECEPTOR, MAJOR HISTOCOMPATIBILITY COMPLEX 
5i0z:B    (VAL24) to   (SER141)  CRYSTAL STRUCTURE OF THE SINGLE DOMAIN CATALYTIC ANTIBODY 3D8-VH  |   3D8 SCFV, 3D8-VH, IMMUNE SYSTEM 
5i17:H     (VAL2) to   (SER118)  CRYSTAL STRUCTURE OF HUMAN GERMLINE ANTIBODY IGHV1-69/IGKV3-20  |   MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
4uil:H     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF QUININE-DEPENDENT FAB 314.1 WITH QUININE  |   IMMUNE SYSTEM, FAB, QUININE-DEPENDENT, MOUSE MAB 
4uim:A     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF QUININE-DEPENDENT FAB 314.3  |   IMMUNE SYSTEM, QUININE-DEPENDENT, MOUSE MAB 
4uin:H     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF QUININE-DEPENDENT FAB 314.3 WITH QUININE  |   IMMUNE SYSTEM, QUININE-DEPENDENT, MOUSE MAB 
5i5k:H     (VAL2) to   (VAL120)  STRUCTURE OF COMPLEMENT C5 IN COMPLEX WITH ECULIZUMAB  |   COMPLEMENT, FAB, IMMUNE SYSTEM 
4dzb:B     (ALA2) to   (GLU117)  MUCOSAL-ASSOCIATED INVARIANT T CELL RECEPTOR, VALPHA7.2JALPHA33-VBETA2  |   MAIT T CELL RECEPTOR, IMMUNE SYSTEM 
5i8e:C     (GLU2) to   (SER112)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING HIV-1 FUSION PEPTIDE- TARGETING ANTIBODY VRC34.01 FAB  |   HIV-1, ENVELOPE, TRIMER, FUSION PEPTIDE, ANTIBODY, NEUTRALIZING, IMMUNE SYSTEM 
4e42:A     (ILE1) to   (PRO109)  STRUCTURAL BASIS FOR THE RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED T CELL RECEPTOR G4  |   IG DOMAIN, ADAPTIVE IMMUNITY, T CELL RECEPTOR, MHC, IMMUNE SYSTEM 
4ei6:A     (LYS3) to   (PRO113)  STRUCTURE OF XV19 VALPHA1-VBETA16 TYPE-II NATURAL KILLER T CELL RECEPTOR  |   NATURAL KILLER T CELL RECEPTOR, IMMUNE SYSTEM 
4ei6:C     (LYS3) to   (PRO113)  STRUCTURE OF XV19 VALPHA1-VBETA16 TYPE-II NATURAL KILLER T CELL RECEPTOR  |   NATURAL KILLER T CELL RECEPTOR, IMMUNE SYSTEM 
4eig:B     (GLN3) to   (VAL115)  CA1698 CAMEL ANTIBODY FRAGMENT IN COMPLEX WITH DHFR  |   NADP BINDING, OXIDOREDUCTASE-IMMUNE SYSTEM COMPLEX 
4ej1:D     (GLN3) to   (SER127)  BINDING OF NB113 CAMELID ANTIBODY FRAGMENT WITH THE BINARY DHFR:FOLATE COMPLEX  |   FOLATE, OXIDOREDUCTASE-IMMUNE SYSTEM COMPLEX 
4elm:H     (VAL4) to   (LEU114)  CRYSTAL STRUCTURE OF THE MOUSE CD1D-LYSOSULFATIDE-HY19.3 TCR COMPLEX  |   ANTIGEN PRESENTATION, GLYCOLIPID, NKT CELLS, IMMUNE SYSTEM 
3q6g:L     (TYR2) to   (VAL106)  CRYSTAL STRUCTURE OF FAB OF RHESUS MAB 2.5B SPECIFIC FOR QUATERNARY NEUTRALIZING EPITOPE OF HIV-1 GP120  |   IG, NEUTRALIZATION OF HIV-1 VIRUSES, QUATERNARY EPITOPE OF HIV-1 GP120, IMMUNE SYSTEM 
3q6g:H     (GLN1) to   (VAL111)  CRYSTAL STRUCTURE OF FAB OF RHESUS MAB 2.5B SPECIFIC FOR QUATERNARY NEUTRALIZING EPITOPE OF HIV-1 GP120  |   IG, NEUTRALIZATION OF HIV-1 VIRUSES, QUATERNARY EPITOPE OF HIV-1 GP120, IMMUNE SYSTEM 
3qdm:D     (LEU3) to   (PRO108)  THE COMPLEX BETWEEN TCR DMF4 AND HUMAN CLASS I MHC HLA-A2 WITH THE BOUND MART-1(26-35)(A27L) DECAMERIC PEPTIDE  |   MART-1 PEPTIDE, NONAPEPTIDE, MHC CLASS I, HLA-A2, TCR DMF5, TCR DMF4, CROSS-REACTIVITY, CANCER, MELANOMA, IMMUNE SYSTEM 
3qeg:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN N12-I2 FAB, AN ADCC AND NEUTRALIZING ANTI- HIV-1 ENV ANTIBODY  |   ADCC AND NEUTRALIZING ANTI-HIV-1 ENV ANTIBODY N12-I2, CD4I ANTIBODY, FAB FRAGMENT, BINDS TO VIRAL GLYCOPROTEIN GP120, IMMUNE SYSTEM 
3qeh:A     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN N12-I15, AN ADCC AND NON-NEUTRALIZING ANTI- HIV-1 ENV ANTIBODY  |   ADCC AND NON-NEUTRALIZING ANTI-HIV-1 ENV ANTIBODY N12-I15, CD4I ANTIBODY, FAB FRAGMENT, BINDS TO VIRAL GLYCOPROTEIN GP120, IMMUNE SYSTEM 
3qeh:E     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN N12-I15, AN ADCC AND NON-NEUTRALIZING ANTI- HIV-1 ENV ANTIBODY  |   ADCC AND NON-NEUTRALIZING ANTI-HIV-1 ENV ANTIBODY N12-I15, CD4I ANTIBODY, FAB FRAGMENT, BINDS TO VIRAL GLYCOPROTEIN GP120, IMMUNE SYSTEM 
4f2m:A     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF A TGEV CORONAVIRUS SPIKE FRAGMENT IN COMPLEX WITH THE TGEV NEUTRALIZING MONOCLONAL ANTIBODY 1AF10  |   BETA-BARREL, IMMUNOGLOBULIN, VIRUS ENTRY, VIRUS NEUTRALIZATION, CELLULAR RECEPTOR, AMINOPEPTIDASE N, GLYCOSYLATION, VIRUS MEMBRANE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4f2m:C     (VAL2) to   (SER121)  CRYSTAL STRUCTURE OF A TGEV CORONAVIRUS SPIKE FRAGMENT IN COMPLEX WITH THE TGEV NEUTRALIZING MONOCLONAL ANTIBODY 1AF10  |   BETA-BARREL, IMMUNOGLOBULIN, VIRUS ENTRY, VIRUS NEUTRALIZATION, CELLULAR RECEPTOR, AMINOPEPTIDASE N, GLYCOSYLATION, VIRUS MEMBRANE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5j1s:C     (MET1) to   (SER122)  TORSINA-LULL1 COMPLEX, H. SAPIENS, BOUND TO VHH-BS2  |   AAA+ ATPASE, TORSIN, ENDOPLASMIC RETICULUM, HYDROLASE 
5j75:A     (VAL2) to   (SER121)  FLUOROGEN ACTIVATING PROGEIN AM2.2 IN COMPLEX WITH ML342  |   FLUOROGEN ACTIVATING PROTEIN, DRUG DISCOVERY, BIOSENSOR, PROTEIN TRAFFICKING, IMMUNE SYSTEM 
5j75:B     (VAL2) to   (SER121)  FLUOROGEN ACTIVATING PROGEIN AM2.2 IN COMPLEX WITH ML342  |   FLUOROGEN ACTIVATING PROTEIN, DRUG DISCOVERY, BIOSENSOR, PROTEIN TRAFFICKING, IMMUNE SYSTEM 
3qum:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN PROSTATE SPECIFIC ANTIGEN (PSA) IN FAB SANDWICH WITH A HIGH AFFINITY AND A PCA SELECTIVE ANTIBODY  |   KALLIKREIN FOLD, PROSTATE-SPECIFIC ANTIGEN, SERINE PROTEASE, NEGATIVE REGULATION OF ANGIOGENESIS, NATURAL POST-TRANSDUCTIONAL MODIFICATION, N-LINKED AND O-LINKED GLYCOSYLATION, IMMUNE SYSTEM 
3qum:D     (GLN3) to   (VAL112)  CRYSTAL STRUCTURE OF HUMAN PROSTATE SPECIFIC ANTIGEN (PSA) IN FAB SANDWICH WITH A HIGH AFFINITY AND A PCA SELECTIVE ANTIBODY  |   KALLIKREIN FOLD, PROSTATE-SPECIFIC ANTIGEN, SERINE PROTEASE, NEGATIVE REGULATION OF ANGIOGENESIS, NATURAL POST-TRANSDUCTIONAL MODIFICATION, N-LINKED AND O-LINKED GLYCOSYLATION, IMMUNE SYSTEM 
3qyc:B     (GLN5) to   (VAL125)  STRUCTURE OF A DIMERIC ANTI-HER2 SINGLE DOMAIN ANTIBODY  |   IMMUNOGLOBULIN V DOMAIN FOLD, ANTIBODY, IMMUNE SYSTEM 
4fqv:H     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING ANTIBODY CR9114 BOUND TO H7 INFLUENZA HEMAGGLUTININ  |   VIRAL FUSION PROTEIN, IMMUNOGLOBULIN, VIRUS ATTACHMENT AND ENTRY, IMMUNE RECOGNITION, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4fqv:I     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING ANTIBODY CR9114 BOUND TO H7 INFLUENZA HEMAGGLUTININ  |   VIRAL FUSION PROTEIN, IMMUNOGLOBULIN, VIRUS ATTACHMENT AND ENTRY, IMMUNE RECOGNITION, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5jof:A     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF VRC03 GHVGLV ANTIGEN-BINDING FRAGMENT.  |   HIV-1, CD4 BINDING SITE, NEUTRALIZING, ANTIBODY DEVELOPMENT, IMMUNE SYSTEM 
5jof:C     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF VRC03 GHVGLV ANTIGEN-BINDING FRAGMENT.  |   HIV-1, CD4 BINDING SITE, NEUTRALIZING, ANTIBODY DEVELOPMENT, IMMUNE SYSTEM 
5jof:E     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF VRC03 GHVGLV ANTIGEN-BINDING FRAGMENT.  |   HIV-1, CD4 BINDING SITE, NEUTRALIZING, ANTIBODY DEVELOPMENT, IMMUNE SYSTEM 
3rif:F     (VAL2) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB, IVERMECTIN AND GLUTAMATE.  |   MEMBRANE PROTEIN, TRANSPORT PROTEIN, CYS-LOOP RECEPTOR, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, IVERMECTIN, PICROTOXIN, GLYCOSYLATION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
3rif:G     (VAL2) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB, IVERMECTIN AND GLUTAMATE.  |   MEMBRANE PROTEIN, TRANSPORT PROTEIN, CYS-LOOP RECEPTOR, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, IVERMECTIN, PICROTOXIN, GLYCOSYLATION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
3rif:H     (VAL2) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB, IVERMECTIN AND GLUTAMATE.  |   MEMBRANE PROTEIN, TRANSPORT PROTEIN, CYS-LOOP RECEPTOR, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, IVERMECTIN, PICROTOXIN, GLYCOSYLATION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
3rif:I     (VAL2) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB, IVERMECTIN AND GLUTAMATE.  |   MEMBRANE PROTEIN, TRANSPORT PROTEIN, CYS-LOOP RECEPTOR, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, IVERMECTIN, PICROTOXIN, GLYCOSYLATION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
3rif:J     (VAL2) to   (SER121)  C. ELEGANS GLUTAMATE-GATED CHLORIDE CHANNEL (GLUCL) IN COMPLEX WITH FAB, IVERMECTIN AND GLUTAMATE.  |   MEMBRANE PROTEIN, TRANSPORT PROTEIN, CYS-LOOP RECEPTOR, LIGAND-GATED ION CHANNEL, NEUROTRANSMITTER RECEPTOR, IVERMECTIN, PICROTOXIN, GLYCOSYLATION, TRANSPORT PROTEIN-IMMUNE SYSTEM COMPLEX 
5jue:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF UIC2 FAB  |   ANTIBODY FAB, P-GLYCOPROTEIN, TRANSPORT INHIBITION, IMMUNE SYSTEM 
4g3y:H     (VAL2) to   (VAL118)  CRYSTAL STRUCTURE OF TNF-ALPHA IN COMPLEX WITH INFLIXIMAB FAB FRAGMENT  |   TNF, INFLIXIMAB, IMMUNE SYSTEM 
5k59:E     (GLU1) to   (SER118)  CRYSTAL STRUCTURE OF LUKGH FROM STAPHYLOCOCCUS AUREUS IN COMPLEX WITH A NEUTRALISING ANTIBODY  |   TOXIN NEUTRALIZING MONOCLONAL ANTIBODY, CONFORMATIONAL EPITOPE, X-RAY CRYSTAL STRUCTURE, IMMUNE SYSTEM 
5k9j:H     (GLN1) to   (THR110)  CRYSTAL STRUCTURE OF MULTIDONOR HV6-1-CLASS BROADLY NEUTRALIZING INFLUENZA A ANTIBODY 56.A.09 ISOLATED FOLLOWING H5 IMMUNIZATION.  |   INFLUENZA, MULTIDONOR, H5, UNIVERSAL INFLUENZA VACCINE, IMMUNE SYSTEM 
4gag:H     (VAL2) to   (SER112)  STRUCTURE OF THE BROADLY NEUTRALIZING ANTIBODY AP33 IN COMPLEX WITH ITS HCV EPITOPE (E2 RESIDUES 412-423)  |   ANTIBODY FAB, NEUTRALIZING ANTIBODY, HCV E2 BINDING, IMMUNE SYSTEM 
4gaj:H     (VAL2) to   (VAL111)  STRUCTURE OF THE BROADLY NEUTRALIZING ANTIBODY AP33 IN COMPLEX WITH ITS HCV EPITOPE (E2 RESIDUES 411-424)  |   ANTIBODY FAB, NEUTRALIZING ANTIBODY, HCV E2 BINDING, IMMUNE SYSTEM 
4gft:B     (GLN4) to   (VAL124)  MALARIA INVASION MACHINERY PROTEIN-NANOBODY COMPLEX  |   MALARIA INVASION MACHINERY PROTEIN, PROTEIN BINDING, MTIP, MYOA TAIL INTERACTING PROTEIN, IMMUNE SYSTEM, NANOBODY 
5kjr:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF THE ADCC-POTENT ANTIBODY N60-I3 FAB IN COMPLEX WITH HIV-1 CLADE A/E GP120 W69A/S115W MUTANT AND M48U1.  |   HIV-1 GP120, CLADE A/E 93TH057, VIRAL PROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM-INHIBITOR COMPLEX 
4glr:I     (ALA3) to   (VAL106)  STRUCTURE OF THE ANTI-PTAU FAB (PT231/PS235_1) IN COMPLEX WITH PHOSPHOEPITOPE PT231/PS235  |   IGG1 FAB, ANTI-PTAU ANTIBODY, PHOSPHORYLATED TAU PEPTIDE, PHOSPHORYLATION, IMMUNE SYSTEM 
5kov:E     (GLN3) to   (SER116)  CRYSTAL STRUCTURE OF THE HUMAN ASTROVIRUS 2 CAPSID PROTEIN SPIKE IN COMPLEX WITH A SINGLE CHAIN VARIABLE FRAGMENT OF AN ASTROVIRUS NEUTRALIZING ANTIBODY AT 3.24-A RESOLUTION  |   VIRAL PROTEIN, CAPSID PROTEIN, ICOSAHEDRAL VIRUS, SINGLE CHAIN VARIABLE FRAGMENT. 
5kov:I     (GLN3) to   (SER116)  CRYSTAL STRUCTURE OF THE HUMAN ASTROVIRUS 2 CAPSID PROTEIN SPIKE IN COMPLEX WITH A SINGLE CHAIN VARIABLE FRAGMENT OF AN ASTROVIRUS NEUTRALIZING ANTIBODY AT 3.24-A RESOLUTION  |   VIRAL PROTEIN, CAPSID PROTEIN, ICOSAHEDRAL VIRUS, SINGLE CHAIN VARIABLE FRAGMENT. 
5l0q:C     (VAL2) to   (SER119)  CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN ADAM10 D+C DOMAIN AND A CONFORMATION SPECIFIC MAB 8C7.  |   ADAM PROTEASE, MAB, 8C7, NOTCH SIGNALING, THERAPEUTIC ANTIBODY, CANCER STEM CELL, DRUG RESISTANCE, HYDROLASE-IMMUNE SYSTEM COMPLEX 
5l0q:F     (VAL2) to   (SER119)  CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN ADAM10 D+C DOMAIN AND A CONFORMATION SPECIFIC MAB 8C7.  |   ADAM PROTEASE, MAB, 8C7, NOTCH SIGNALING, THERAPEUTIC ANTIBODY, CANCER STEM CELL, DRUG RESISTANCE, HYDROLASE-IMMUNE SYSTEM COMPLEX 
5l88:H     (VAL2) to   (SER112)  AFAMIN ANTIBODY FRAGMENT, N14 FAB, L1- GLYCOSILATED, CRYSTAL FORM I, NON-PARSIMONIOUS MODEL  |   AFAMIN ANTIBODY, FAB FRAGMENT, IGG1-KAPPA, LIGHT CHAIN GLYCOSILATION, IMMUNE SYSTEM 
5l9d:H     (VAL2) to   (SER112)  AFAMIN ANTIBODY FRAGMENT, N14 FAB, L1- GLYCOSYLATED, CRYSTAL FORM I, PARSIMONIOUS MODEL  |   AFAMIN ANTIBODY, FAB FRAGMENT, IGG1-KAPPA, LIGHT CHAIN GLYCOSILATION, IMMUNE SYSTEM 
5m7q:B     (GLN1) to   (SER117)  ENGINEERING THE THERMOSTABILITY OF NANOBODIES - NBD2  |   NANOBODY, VHH, VARIABLE DOMAIN, CAMELIDS, IMMUNE SYSTEM 
5sws:E     (VAL4) to   (GLU126)  CRYSTAL STRUCTURE OF NP2-B17 TCR-H2DB-NP COMPLEX  |   H2DB, INFLUENZA, NP366, REVERSED DOCKING, NAIVE T CELL, NP1-B17 TCR, TCR, T CELL, IMMUNE SYSTEM 
5te6:L     (HIS3) to   (ILE106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING VRC01-CLASS ANTIBODY N6 IN COMPLEX WITH HIV-1 CLADE AE STRAIN 93TH057 GP120 CORE  |   HIV-1, VRC01-CLASS ANTIBODY, N6, CD4-BINDING SITE, GP120, IMMUNE SYSTEM 
2ai0:I     (VAL2) to   (ALA121)  ANTI-COCAINE ANTIBODY 7.5.21, CRYSTAL FORM III  |   IMMUNE SYSTEM 
1nfd:B     (VAL4) to   (GLU117)  AN ALPHA-BETA T CELL RECEPTOR (TCR) HETERODIMER IN COMPLEX WITH AN ANTI-TCR FAB FRAGMENT DERIVED FROM A MITOGENIC ANTIBODY  |   COMPLEX (IMMUNORECEPTOR-IMMUNOGLOBULIN), COMPLEX (IMMUNORECEPTOR- IMMUNOGLOBULIN) COMPLEX 
1ad0:B     (VAL2) to   (VAL111)  FAB FRAGMENT OF ENGINEERED HUMAN MONOCLONAL ANTIBODY A5B7  |   IMMUNOGLOBULIN, FAB FRAGMENT 
2ol3:B     (LEU3) to   (VAL116)  CRYSTAL STRUCTURE OF BM3.3 SCFV TCR IN COMPLEX WITH PBM8-H-2KBM8 MHC CLASS I MOLECULE  |   T CELL RECEPTOR, CLASS I MHC, H-2KBM8, TCR-PMHC COMPLEX, IMMUNE SYSTEM 
4hdi:B     (VAL2) to   (VAL118)  CRYSTAL STRUCTURE OF 3E5 IGG3 FAB FROM MUS MUSCULUS  |   IGG, FAB, IMMUNE SYSTEM 
4hfu:H     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF FAB 8M2 IN COMPLEX WITH A H2N2 INFLUENZA VIRUS HEMAGGLUTININ  |   VIRAL PROTEIN/IMMUNE SYSTEM, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4hg4:T     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF FAB 2G1 IN COMPLEX WITH A H2N2 INFLUENZA VIRUS HEMAGGLUTININ  |   VIRAL PROTEIN/IMMUNE SYSTEM, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4hg4:Z     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF FAB 2G1 IN COMPLEX WITH A H2N2 INFLUENZA VIRUS HEMAGGLUTININ  |   VIRAL PROTEIN/IMMUNE SYSTEM, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1bbd:H     (GLN3) to   (SER117)  THREE DIMENSIONAL STRUCTURE OF THE FAB FRAGMENT OF A NEUTRALIZING ANTIBODY TO HUMAN RHINOVIRUS SEROTYPE 2  |   IMMUNOGLOBULIN 
3eyv:H     (VAL2) to   (VAL117)  ANTI-LEWIS Y FAB FRAGMENT WITH LEWIS Y ANTIGEN IN THE PRESENCE OF ZINC IONS  |   IMMUNOGLOBULIN FOLD, BETA BARREL, HUMANIZED ANTIBODY, ANTIGEN BINDING FRAGMENT, IMMUNE SYSTEM 
4x7c:C     (ASP1) to   (SER119)  CRYSTAL STRUCTURE OF SAGA-2006 GII.4 P DOMAIN IN COMPLEX WITH NANO-85  |   NANOBODY, VHH DOMAIN, NOROVIRUS, PROTRUDING DOMAIN, VIRAL PROTEIN 
2c1o:B     (GLU1) to   (SER112)  ENAIIHIS FAB FRAGMENT IN THE FREE FORM  |   FAB FRAGMENT, ENANTIOSELECTIVE, FINROZOLE, IMMUNE SYSTEM, ANTIBODY, ENA11HIS ANTIBODY, IMMUNOGLOBULIN DOMAIN 
2c1o:H     (VAL2) to   (SER112)  ENAIIHIS FAB FRAGMENT IN THE FREE FORM  |   FAB FRAGMENT, ENANTIOSELECTIVE, FINROZOLE, IMMUNE SYSTEM, ANTIBODY, ENA11HIS ANTIBODY, IMMUNOGLOBULIN DOMAIN 
3fo9:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF ALDOLASE ANTIBODY 33F12 FAB' IN COMPLEX WITH HAPTEN 1,3-DIKETONE  |   ALDOLASE ANTIBODY, ENAMINE INTERMEDIATE, AMINE CATALYSIS, IMMUNE SYSTEM 
1cic:B     (VAL2) to   (SER116)  IDIOTOPE-ANTI-IDIOTOPE FAB-FAB COMPLEX; D1.3-E225  |   IMMUNOGLOBULIN, FAB COMPLEX, IDIOTOPE, ANTI-IDIOTOPE 
4idj:H     (VAL2) to   (SER112)  S.AUREUS A-HEMOLYSIN MONOMER IN COMPLEX WITH FAB  |   HEMOLYSIN COMPLEX WITH FAB, CYTOLYTIC PROTEIN, FAB, SECRETED, IMMUNE SYSTEM 
4xpb:H     (VAL2) to   (SER118)  X-RAY STRUCTURE OF DROSOPHILA DOPAMINE TRANSPORTER WITH SUBSITEB MUTATIONS (D121G/S426M) BOUND TO COCAINE  |   INTEGRAL MEMBRANE PROTEIN, ALL-ALPHA HELICAL ANTIDEPRESSANT COMPLEX, TRANPORT PROTEIN-INHIBITOR COMPLEX 
2cgr:H     (VAL2) to   (SER115)  LOCAL AND TRANSMITTED CONFORMATIONAL CHANGES ON COMPLEXATION OF AN ANTI-SWEETENER FAB  |   IMMUNOGLOBULIN 
3t4y:B     (VAL2) to   (VAL109)  S25-2- KDO MONOSACCHARIDE COMPLEX  |   ANTIGEN-BINDING FRAGMENT, FAB, ANTI-CARBOHYDRATE, ANTI-LPS, ANTIBODY, IMMUNOGLOBULIN, KDO, IMMUNE SYSTEM 
4xx1:L     (TYR2) to   (VAL106)  LOW RESOLUTION STRUCTURE OF LCAT IN COMPLEX WITH FAB1  |   A/B HYDROLASE, COMPLEX, HYDROLASE-IMMUNE SYSTEM COMPLEX 
4y8a:B     (THR4) to   (TYR108)  CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF CEACAM6  |   CELL ADHESION 
4jfz:H     (VAL2) to   (SER112)  STRUCTURE OF PHOSPHOSERINE (PSAB) SCAFFOLD BOUND TO PSER PEPTIDE  |   IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM 
4yga:D     (GLN4) to   (SER123)  CDPK1, FROM TOXOPLASMA GONDII, BOUND TO INHIBITORY VHH-1B7  |   SERINE/THREONINE PROTEIN KINASE, VHH DOMAIN, INHIBITOR, METAL BINDING PROTEIN 
1qrn:D     (GLU2) to   (PRO116)  CRYSTAL STRUCTURE OF HUMAN A6 TCR COMPLEXED WITH HLA-A2 BOUND TO ALTERED HTLV-1 TAX PEPTIDE P6A  |   HUMAN TCR/PEPTIDE/MHC COMPLEX, HLA-A2, HTLV-1, TAX, TCR, T CELL RECEPTOR, IMMUNE SYSTEM 
3u0w:H     (VAL2) to   (VAL111)  AD RELATED MURINE ANTIBODY FRAGMENT  |   IMMUNOGLOBULIN, ANTIBODY, AMYLOID BETA, ALZHEIMER, IMMUNE SYSTEM 
4jzj:H     (VAL2) to   (SER119)  CRYSTAL STRUCTURE OF RECEPTOR-FAB COMPLEX  |   RECEPTOR-FAB COMPLEX, CYTOKINE RECEPTOR-IMMUNE SYSTEM COMPLEX 
3hg1:D     (GLU5) to   (PRO109)  GERMLINE-GOVERNED RECOGNITION OF A CANCER EPITOPE BY AN IMMUNODOMINANT HUMAN T CELL RECEPTOR  |   T-CELL RECEPTOR, CDR3, PHAGE DISPLAY, MELAN-1, MART-1, IMMUNE SYSTEM, DISULFIDE BOND, TRANSMEMBRANE, DISEASE MUTATION, GLYCATION, GLYCOPROTEIN, IMMUNE RESPONSE, IMMUNOGLOBULIN DOMAIN, MHC I, PYRROLIDONE CARBOXYLIC ACID, SECRETED 
2fd6:H     (LYS3) to   (SER112)  STRUCTURE OF HUMAN UROKINASE PLASMINOGEN ACTIVATOR IN COMPLEX WITH UROKINASE RECEPTOR AND AN ANTI-UPAR ANTIBODY AT 1.9 A  |   UPAR, ATF, ATN-615 ANTIBODY, FAB, TERNARY COMPLEX, IMMUNE SYSTEM, HYDROLASE 
2vdr:H     (VAL2) to   (SER118)  INTEGRIN ALPHAIIBBETA3 HEADPIECE BOUND TO A CHIMERIC FIBRINOGEN GAMMA CHAIN PEPTIDE, LGGAKQRGDV  |   CELL ADHESION-IMMUNE SYSTEM COMPLEX, FIBRINOGEN BINDING, PLATELET INTEGRIN ALPHAIIBBETA3, GLYCOPROTEIN, CELL ADHESION, MEMBRANE, INTEGRIN, RECEPTOR, ANTAGONIST, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, TRANSMEMBRANE, PHOSPHORYLATION, DISEASE MUTATION, CLEAVAGE ON PAIR OF BASIC RESIDUES, CELL ADHESION/IMMUNE SYSTEM COMPLEX 
3i50:H     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF THE WEST NILE VIRUS ENVELOPE GLYCOPROTEIN IN COMPLEX WITH THE E53 ANTIBODY FAB  |   ANTIBODY, FAB, VIRUS, ENVELOPE, IMMUNOGLOBULIN, FUSION LOOP, DISULFIDE BOND, ENVELOPE PROTEIN, MEMBRANE, TRANSMEMBRANE, VIRION, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
2gki:B    (VAL24) to   (VAL140)  HEAVY AND LIGHT CHAIN VARIABLE SINGLE DOMAINS OF AN ANTI-DNA BINDING ANTIBODY HYDROLYZE BOTH DOUBLE- AND SINGLE-STRANDED DNAS WITHOUT SEQUENCE SPECIFICITY  |   ANTI-DNA ANTIBODY, CATALYTIC ANTIBODY, IMMUNE SYSTEM 
4zpv:H     (VAL2) to   (SER112)  STRUCTURE OF MERS-CORONAVIRUS SPIKE RECEPTOR-BINDING DOMAIN (ENGLAND1 STRAIN) IN COMPLEX WITH VACCINE-ELICITED MURINE NEUTRALIZING ANTIBODY D12 (CRYSTAL FORM 2)  |   VACCINE, IMMUNOGEN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4zpv:A     (VAL2) to   (SER112)  STRUCTURE OF MERS-CORONAVIRUS SPIKE RECEPTOR-BINDING DOMAIN (ENGLAND1 STRAIN) IN COMPLEX WITH VACCINE-ELICITED MURINE NEUTRALIZING ANTIBODY D12 (CRYSTAL FORM 2)  |   VACCINE, IMMUNOGEN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4zto:I     (SER2) to   (SER111)  FAB/EPITOPE COMPLEX STRUCTURE OF RABBIT MONOCLONAL ANTIBODY R53 TARGETING AN EPITOPE IN HIV-1 GP120 C4 REGION  |   HIV-1, ENV, C4, CD4, MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
4zxb:A     (GLN3) to   (SER117)  STRUCTURE OF THE HUMAN INSULIN RECEPTOR ECTODOMAIN, IRDELTABETA CONSTRUCT, IN COMPLEX WITH FOUR FAB MOLECULES  |   RECEPTOR TYROSINE KINASE EXTRACELLULAR DOMAIN ANTIBODY FRAGMENTS, HORMONE RECEPTOR-IMMUNE SYSTEM COMPLEX 
4zxb:C     (VAL2) to   (VAL111)  STRUCTURE OF THE HUMAN INSULIN RECEPTOR ECTODOMAIN, IRDELTABETA CONSTRUCT, IN COMPLEX WITH FOUR FAB MOLECULES  |   RECEPTOR TYROSINE KINASE EXTRACELLULAR DOMAIN ANTIBODY FRAGMENTS, HORMONE RECEPTOR-IMMUNE SYSTEM COMPLEX 
4zyp:J     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF MOTAVIZUMAB AND QUATERNARY-SPECIFIC RSV- NEUTRALIZING HUMAN ANTIBODY AM14 IN COMPLEX WITH PREFUSION RSV F GLYCOPROTEIN  |   IG DOMAIN, FAB, IMMUNE SYSTEM, FUSION, RESPIRATORY SYNCYTIAL VIRUS, PREFUSION 
4zyp:D     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF MOTAVIZUMAB AND QUATERNARY-SPECIFIC RSV- NEUTRALIZING HUMAN ANTIBODY AM14 IN COMPLEX WITH PREFUSION RSV F GLYCOPROTEIN  |   IG DOMAIN, FAB, IMMUNE SYSTEM, FUSION, RESPIRATORY SYNCYTIAL VIRUS, PREFUSION 
1i9r:K     (VAL2) to   (SER117)  STRUCTURE OF CD40L IN COMPLEX WITH THE FAB FRAGMENT OF HUMANIZED 5C8 ANTIBODY  |   BETA-SHEET SANDWICH, IMMUNOGLOBULIN, CYTOKINE/IMMUNE SYSTEM COMPLEX 
1iqd:B     (GLN1) to   (SER113)  HUMAN FACTOR VIII C2 DOMAIN COMPLEXED TO HUMAN MONOCLONAL BO2C11 FAB.  |   FACTOR VIII, C2 DOMAIN, ANTIBODY, BLOOD COAGULATION, INHIBITOR, BO2C11, IMMUNE SYSTEM/BLOOD CLOTTING COMPLEX 
4m5y:L     (TYR2) to   (VAL106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING FAB 5J8  |   IMMUNOGLOBULIN FOLD, FRAGMENT ANTIGEN BINDING, INFLUENZA HEMAGGLUTININ RECEPTOR BINDING SITE, IMMUNE SYSTEM 
4m5y:M     (TYR2) to   (VAL106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING FAB 5J8  |   IMMUNOGLOBULIN FOLD, FRAGMENT ANTIGEN BINDING, INFLUENZA HEMAGGLUTININ RECEPTOR BINDING SITE, IMMUNE SYSTEM 
2itc:A     (GLN3) to   (SER117)  POTASSIUM CHANNEL KCSA-FAB COMPLEX IN SODIUM CHLORIDE  |   VOLTAGE-GATED CHANNEL, TRANSMEMBRANE, IONIC CHANNEL, ION TRANSPORT, K CHANNEL, PROTEIN-ANTIBODY FAB COMPLEX, MEMBRANE PROTEIN 
3zlq:D   (GLN160) to   (SER270)  BACE2 XAPERONE COMPLEX  |   HYDROLASE-IMMUNE SYSTEM COMPLEX 
2mpa:H     (VAL2) to   (SER120)  BACTERICIDAL ANTIBODY AGAINST NEISSERIA MENINGITIDIS  |   MURINE IMMUNOGLOBULIN IGG2A KAPPA, BACTERICIDAL ANTIBODY, EPITOPE P1.16 OF PORA FROM NEISSERIA MENINGITIDIS, COMPLEX (IMMUNOGLOBULIN- PEPTIDE), IMMUNE SYSTEM 
2yk1:H     (LEU4) to   (THR110)  STRUCTURE OF HUMAN ANTI-NICOTINE FAB FRAGMENT IN COMPLEX WITH NICOTINE  |   IMMUNE SYSTEM, MONOCLONAL ANTIBODIES, ANTI-SMOKING VACCINE 
4o5i:S     (GLU1) to   (VAL111)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING ANTIBODY F045-092 IN COMPLEX WITH A/VICTORIA/361/2011 (H3N2) INFLUENZA HEMAGGLUTININ  |   IMMUNOGLOBULIN, VIRUS ATTACHMENT AND ENTRY, IMMUNE RECOGNITION, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5cd5:C     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF AN IMMATURE VRC01-CLASS ANTIBODY DRVIA7 FROM A CHINESE DONOR BOUND TO CLADE A/E HIV-1 GP120 CORE  |   VRC01, GP120, HIV-1, ANTIBODY, IMMUNE SYSTEM 
5cjs:H     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF A MONOMERIC INFLUENZA HEMAGGLUTININ STEM IN COMPLEX WITH AN BROADLY NEUTRALIZING ANTIBODY CR9114  |   HEMAGGLUTININ, TRIMER, INFLUENZA, IMMUNOGEN, MONOCLONAL, ANTIBODY, NEUTRALIZING, INFLUENZA VACCINE, GLYCOPROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5cjs:F     (GLN1) to   (SER112)  CRYSTAL STRUCTURE OF A MONOMERIC INFLUENZA HEMAGGLUTININ STEM IN COMPLEX WITH AN BROADLY NEUTRALIZING ANTIBODY CR9114  |   HEMAGGLUTININ, TRIMER, INFLUENZA, IMMUNOGEN, MONOCLONAL, ANTIBODY, NEUTRALIZING, INFLUENZA VACCINE, GLYCOPROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
1lil:A     (TYR2) to   (THR105)  BENCE JONES PROTEIN CLE, A LAMBDA III IMMUNOGLOBULIN LIGHT- CHAIN DIMER  |   IMMUNOGLOBULIN, BENCE JONES PROTEIN 
2zch:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN PROSTATE SPECIFIC ANTIGEN COMPLEXED WITH AN ACTIVATING ANTIBODY  |   HUMAN PSA, KALLIKREIN RELATED PEPTIDASES, ANTIBODIES, PROSTATE CANCER, GLYCOPROTEIN, HYDROLASE, POLYMORPHISM, PROTEASE, SECRETED, SERINE PROTEASE, ZYMOGEN, IMMUNE SYSTEM 
3kj4:H     (VAL2) to   (VAL118)  STRUCTURE OF RAT NOGO RECEPTOR BOUND TO 1D9 ANTAGONIST ANTIBODY  |   NOGO RECEPTOR ANTAGONIST ANTIBODY, LRR, CELL MEMBRANE, DISULFIDE BOND, GLYCOPROTEIN, GPI-ANCHOR, LEUCINE-RICH REPEAT, LIPOPROTEIN, MEMBRANE, RECEPTOR, IMMUNE SYSTEM 
4p2q:E     (GLY2) to   (ILE114)  CRYSTAL STRUCTURE OF THE 5CC7 TCR IN COMPLEX WITH 5C2/I-EK  |   T CELL RECEPTOR, PEPTIDE-MHC COMPLEX, IMMUNE SYSTEM 
4p2q:I     (VAL3) to   (PRO108)  CRYSTAL STRUCTURE OF THE 5CC7 TCR IN COMPLEX WITH 5C2/I-EK  |   T CELL RECEPTOR, PEPTIDE-MHC COMPLEX, IMMUNE SYSTEM 
1mrd:H     (VAL2) to   (SER112)  PREPARATION, CHARACTERIZATION AND CRYSTALLIZATION OF AN ANTIBODY FAB FRAGMENT THAT RECOGNIZES RNA. CRYSTAL STRUCTURES OF NATIVE FAB AND THREE FAB-MONONUCLEOTIDE COMPLEXES  |   IMMUNOGLOBULIN 
5d6c:H     (VAL2) to   (VAL110)  STRUCTURE OF 4497 FAB BOUND TO SYNTHETIC WALL TEICHOIC ACID FRAGMENT  |   STAPHYLOCOCCUS AUREUS WALL TEICHOIC ACID ANTIBODY MRSA, IMMUNE SYSTEM 
1ynl:H     (VAL2) to   (SER111)  IDENTIFICATION OF KEY RESIDUES OF THE NC6.8 FAB ANTIBODY FRAGMENT BINDING TO SYNTHETIC SWEETERNERS: CRYSTAL STRUCTURE OF NC6.8 CO- CRYSTALIZED WITH HIGH POTENCY SWEETENER COMPOUND SC45647  |   TRIETHYL AMINOMETHANE SULFONYL ACID, SWEETENER COMPOUND, SC45647 AND NC174, IMMUNE SYSTEM 
5dfv:C   (VAL102) to   (SER410)  CRYSTAL STRUCTURE OF HUMAN CD81 LARGE EXTRACELLULAR LOOP IN COMPLEX WITH MURINE FAB FRAGMENT K04  |   HELICAL BUNDLE, CELL ADHESION, ANTIBODY-ANTIGEN COMPLEX, IMMUNE SYSTEM 
2a9m:H     (GLN3) to   (SER148)  STRUCTURAL ANALYSIS OF A TIGHT-BINDING FLUORESCEIN-SCFV; APO FORM  |   IMMUNOGLOBULINS, FLUORESCEIN, IMMUNE SYSTEM 
3mlv:H     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF ANTI-HIV-1 V3 FAB 2557 IN COMPLEX WITH AN NOF V3 PEPTIDE  |   HUMAN MONOCLONAL ANTIBODY, FAB, HIV-1, GP120, THIRD VARIABLE LOOP, ANTIBODY-ANTIGEN INTERACTION, IMMUNE SYSTEM 
3mv8:E     (VAL4) to   (GLU125)  CRYSTAL STRUCTURE OF THE TK3-GLN55HIS TCR IN COMPLEX WITH HLA- B*3501/HPVG  |   HLA B*3501, EBV, TCR, TCRPMHC COMPLEX, HPVG, TCR POLYMORPHISM, IMMUNE SYSTEM 
4r2g:J     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF PGT124 FAB BOUND TO HIV-1 JRCSF GP120 CORE AND TO CD4  |   PROTEIN-PROTEIN COMPLEX, IGG, ANTI-HIV ANTIBODIES, GP120, IMMUNE SYSTEM 
4rgn:D     (VAL2) to   (SER118)  STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN B BOUND TO TWO NEUTRALIZING ANTIBODIES, 14G8 AND 6D3  |   NEUTRALIZING ANTIBODY, STAPHYLOCOCCAL ENTEROTOXIN B, TOXIN-IMMUNE SYSTEM COMPLEX 
4tpr:H     (VAL2) to   (VAL119)  STRUCTURE OF TAU5 ANTIBODY FAB FRAGMENT  |   IMMUNE SYSTEM, MONOCLONAL ANTIBODY 
5ggt:H     (VAL2) to   (SER122)  PD-L1 IN COMPLEX WITH BMS-936559 FAB  |   ANTIBODY, IMMUNE SYSTEM 
4ttd:C     (VAL2) to   (VAL111)  STRUCTURE OF A LYSOZYME ANTIBODY COMPLEX  |   IMMUNE SYSTEM, AFFINITY MATURATION 
4ttd:H     (VAL2) to   (VAL111)  STRUCTURE OF A LYSOZYME ANTIBODY COMPLEX  |   IMMUNE SYSTEM, AFFINITY MATURATION 
3duu:B     (VAL2) to   (SER113)  CRYSTAL STRUCTURE OF SAG506-01, ORTHORHOMBIC, TWINNED, CRYSTAL 2  |   ANTIBODY, KDO, TWINNING, PSEUDO-SYMMETRY, IMMUNE SYSTEM 
4elk:A     (LYS4) to   (PRO114)  CRYSTAL STRUCTURE OF THE HY19.3 TYPE II NKT TCR  |   ANTIGEN PRESENTATION, TYPE II NKT CELLS, IMMUNE SYSTEM 
5ivz:B     (VAL2) to   (SER118)  CETUXIMAB FAB IN COMPLEX WITH ARG8CIR MEDITOPE VARIANT  |   IMMUNE SYSTEM 
5j1t:C     (GLN4) to   (SER122)  TORSINADELTAE-LULL1 COMPLEX, H. SAPIENS, BOUND TO VHH-BS2  |   AAA+ ATPASE, TORSIN, ENDOPLASMIC RETICULUM, HYDROLASE 
4f9p:D     (GLN3) to   (SER114)  CRYSTAL STRUCTURE OF THE HUMAN BTN3A1 ECTODOMAIN IN COMPLEX WITH THE 103.2 SINGLE CHAIN ANTIBODY  |   B7 SUPERFAMILY, BUTYROPHILIN, CD277, IMMUNE SYSTEM 
4f9p:C     (GLN3) to   (VAL113)  CRYSTAL STRUCTURE OF THE HUMAN BTN3A1 ECTODOMAIN IN COMPLEX WITH THE 103.2 SINGLE CHAIN ANTIBODY  |   B7 SUPERFAMILY, BUTYROPHILIN, CD277, IMMUNE SYSTEM 
4fab:H     (GLU1) to   (SER117)  THREE-DIMENSIONAL STRUCTURE OF A FLUORESCEIN-FAB COMPLEX CRYSTALLIZED IN 2-METHYL-2,4-PENTANEDIOL  |   IMMUNOGLOBULIN 
3r4d:A     (GLU1) to   (GLN108)  CRYSTAL STRUCTURE OF MOUSE CORONAVIRUS RECEPTOR-BINDING DOMAIN COMPLEXED WITH ITS MURINE RECEPTOR  |   IMMUNOGLOBULIN, BETA-SANDWICH, MCEACAM1A - IMMUNOGLOBULIN FOLD MHV SPIKE NTD - GALECTIN-LIKE BETA-SANDWICH FOLD, MCEACAM1A - CELL ADHESION MHV SPIKE NTD - MCEACAM1A BINDING, MCEACAM1A - ITSELF AND MHV SPIKE NTD MHV SPIKE NTD - MCEACAM1A, N-GLYCOSYLATIONS, MCEACAM1A - 37, 55, 70 MHV SPIKE NTD - 192, CELL ADHESION-VIRAL PROTEIN COMPLEX 
4fqq:C     (TYR3) to   (VAL106)  CRYSTAL STRUCTURE OF GERMLINE ANTIBODY PGT121-GL FAB  |   IG FOLD, ANTI HIV, ANTIBODY, IMMUNE SYSTEM 
4fqq:D     (GLN3) to   (SER112)  CRYSTAL STRUCTURE OF GERMLINE ANTIBODY PGT121-GL FAB  |   IG FOLD, ANTI HIV, ANTIBODY, IMMUNE SYSTEM 
4fqq:E     (TYR3) to   (VAL106)  CRYSTAL STRUCTURE OF GERMLINE ANTIBODY PGT121-GL FAB  |   IG FOLD, ANTI HIV, ANTIBODY, IMMUNE SYSTEM 
5js9:B     (LEU4) to   (VAL106)  UNCLEAVED PREFUSION OPTIMIZED GP140 TRIMER WITH AN ENGINEERED 8- RESIDUE HR1 TURN BOUND TO BROADLY NEUTRALIZING ANTIBODIES 8ANC195 AND PGT128  |   HIV-1 TRIMER, UFO, SOSIP, VACCINE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
5jsa:B     (LEU4) to   (VAL106)  UNCLEAVED PREFUSION OPTIMIZED GP140 TRIMER WITH AN ENGINEERED 10- RESIDUE HR1 TURN BOUND TO BROADLY NEUTRALIZING ANTIBODIES 8ANC195 AND PGT128  |   HIV-1 TRIMER, UFO, SOSIP, VACCINE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4g6f:H     (VAL2) to   (SER112)  CRYSTAL STRUCTURE OF 10E8 FAB IN COMPLEX WITH AN HIV-1 GP41 PEPTIDE  |   IMMUNOGLOBULIN, MPER, ANTIBODY, IMMUNE SYSTEM 
5tf1:H     (VAL2) to   (SER112)  STRUCTURE OF CHIMERIC 02-CC FAB, A VRC01-LIKE GERMLINE ANTIBODY  |   FAB, GERMLINE, VRC01-LIKE, CD4-BS, HIV-1, CDRH3, IMMUNE SYSTEM