1nld:L     (ASP1) to   (ALA109)  FAB FRAGMENT OF A NEUTRALIZING ANTIBODY DIRECTED AGAINST AN EPITOPE OF GP41 FROM HIV-1  |   FAB FRAGMENT, IMMUNOGLOBULIN 
2b2x:M     (GLN1) to   (ILE105)  VLA1 RDELTAH I-DOMAIN COMPLEXED WITH A QUADRUPLE MUTANT OF THE AQC2 FAB  |   COMPUTATIONAL DESIGN, ANTIBODY-ANTIGEN COMPLEX, IMMUNE SYSTEM 
1bec:A     (ALA3) to   (LEU116)  BETA CHAIN OF A T CELL ANTIGEN RECEPTOR  |   T CELL RECEPTOR 
1ob1:A     (ILE2) to   (ILE106)  CRYSTAL STRUCTURE OF A FAB COMPLEX WHITH PLASMODIUM FALCIPARUM MSP1-19  |   IMMUNE SYSTEM, IMMUNOGLOBULIN/COMPLEX, IMMUNOGLOBULIN, ANTIBODY FAB FRAGMENT, MSP1-19, EGF-LIKE DOMAIN, SURFACE ANTIGEN, MALARIA VACCINE COMPONENT 
1ob1:D     (ASP1) to   (ILE106)  CRYSTAL STRUCTURE OF A FAB COMPLEX WHITH PLASMODIUM FALCIPARUM MSP1-19  |   IMMUNE SYSTEM, IMMUNOGLOBULIN/COMPLEX, IMMUNOGLOBULIN, ANTIBODY FAB FRAGMENT, MSP1-19, EGF-LIKE DOMAIN, SURFACE ANTIGEN, MALARIA VACCINE COMPONENT 
3sgd:L     (VAL2) to   (ALA114)  CRYSTAL STRUCTURE OF THE MOUSE MAB 17.2  |   IMMUNOGLOBULIN FOLD, ANTIBODY, ANTIGEN BINDING, IMMUNE SYSTEM 
3shs:A   (THR183) to   (GLU301)  THREE N-TERMINAL DOMAINS OF THE BACTERIOPHAGE RB49 HIGHLY IMMUNOGENIC OUTER CAPSID PROTEIN (HOC)  |   IMMUNOGLOBULIN-LIKE DOMAIN, PHAGE CAPSID DECORATIVE PROTEIN, INTERACTION WITH BACTERIA, BACTERIAL SURFACE, E.COLI SURFACE, VIRUS SURFACE, BACTERIOPHAGE SURFACE, VIRAL PROTEIN 
3sjv:J     (GLY3) to   (GLU126)  CRYSTAL STRUCTURE OF THE RL42 TCR IN COMPLEX WITH HLA-B8-FLR  |   T CELL, IMMUNE SYSTEM 
1d9k:F     (ALA3) to   (GLY116)  CRYSTAL STRUCTURE OF COMPLEX BETWEEN D10 TCR AND PMHC I-AK/CA  |   T-CELL RECEPTOR, MHC CLASS II, D10, I-AK, IMMUNE SYSTEM 
3t2n:M     (THR2) to   (THR105)  HUMAN HEPSIN PROTEASE IN COMPLEX WITH THE FAB FRAGMENT OF AN INHIBITORY ANTIBODY  |   TYPE II TRANSMEMBRANE SERINE PROTEASE, SRCR DOMAIN, SUBSTRATES INCLUDE PRO-HEPSIN, PRO-HGF, LAMININ-332, TRANSMEMBRANE, HYDROLASE 
3tpu:D     (ALA2) to   (LEU111)  42F3 P5E8/H2-LD COMPLEX  |   IG MHC, ANTIGEN RECOGNITION, TCR-PMHC, CHIMERA PROTEIN, MEMBRANE RECEPTOR, IMMUNE SYSTEM 
4k3g:A     (ALA2) to   (THR105)  IMMUNOGLOBULIN LAMBDA VARIABLE DOMAIN L5(L89S) FLUOROGEN ACTIVATING PROTEIN  |   IMMUNOGLOBULIN FOLD, FLUORESCENCE, MALACHITE GREEN, O-MANNOSYLATION, THR27, IMMUNE SYSTEM 
1fpt:L     (VAL3) to   (ALA109)  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 
1ggi:M     (VAL3) to   (ILE106)  CRYSTAL STRUCTURE OF AN HIV-1 NEUTRALIZING ANTIBODY 50.1 IN COMPLEX WITH ITS V3 LOOP PEPTIDE ANTIGEN  |   IMMUNOGLOBULIN 
1sbb:C     (ALA3) to   (GLU117)  T-CELL RECEPTOR BETA CHAIN COMPLEXED WITH SUPERANTIGEN SEB  |   T CELL RECEPTOR, SUPERANTIGEN, COMPLEX, IMMUNE SYSTEM 
4zff:H     (GLN3) to   (THR110)  DUAL-ACTING FAB 5A12 IN COMPLEX WITH VEGF  |   FAB, DAF, ANGIOGENESIS, TIE RECEPTOR, SIGNALING PROTEIN-IMMUNE SYSTEM COMPLEX 
2vwe:J     (MET4) to   (ALA108)  CRYSTAL STRUCTURE OF VASCULAR ENDOTHELIAL GROWTH FACTOR-B IN COMPLEX WITH A NEUTRALIZING ANTIBODY FAB FRAGMENT  |   IMMUNE SYSTEM, GLYCOPROTEIN, CYSTEINE-KNOT, GROWTH FACTOR, VEGF-B, MITOGEN, SECRETED, ANGIOGENESIS, NEUTRALIZING ANTIBODY, HEPARIN-BINDING, ALTERNATIVE SPLICING 
2gfb:F     (ASP1) to   (VAL111)  CRYSTAL STRUCTURE OF A CATALYTIC FAB HAVING ESTERASE-LIKE ACTIVITY  |   IMMUNOGLOBULIN 
2gfb:J     (ASP1) to   (VAL111)  CRYSTAL STRUCTURE OF A CATALYTIC FAB HAVING ESTERASE-LIKE ACTIVITY  |   IMMUNOGLOBULIN 
2gfb:L     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF A CATALYTIC FAB HAVING ESTERASE-LIKE ACTIVITY  |   IMMUNOGLOBULIN 
2gfb:N     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF A CATALYTIC FAB HAVING ESTERASE-LIKE ACTIVITY  |   IMMUNOGLOBULIN 
2gfb:P     (VAL2) to   (VAL111)  CRYSTAL STRUCTURE OF A CATALYTIC FAB HAVING ESTERASE-LIKE ACTIVITY  |   IMMUNOGLOBULIN 
3w2d:L    (LEU26) to   (ALA132)  CRYSTAL STRUCTURE OF STAPHYLOCOCCAL EENTEROTOXIN B IN COMPLEX WITH A NOVEL NEUTRALIZATION MONOCLONAL ANTIBODY FAB FRAGMENT  |   STAPHYLOCOCCAL EENTEROTOXIN B, IMMUNE SYSTEM 
2j8u:F     (ALA2) to   (GLU117)  LARGE CDR3A LOOP ALTERATION AS A FUNCTION OF MHC MUTATION.  |   GLYCOPROTEIN, IMMUNE SYSTEM, TRANSMEMBRANE, MHC I, MEMBRANE, SECRETED, GLYCATION, IMMUNOGLOBULIN DOMAIN, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, IMMUNE RESPONSE, DISEASE MUTATION, IMUNOREGULATORY COMPLEX, CLASS I MHC-TCR CO-CRYSTAL 
2jcc:M     (ALA2) to   (GLU117)  AH3 RECOGNITION OF MUTANT HLA-A2 W167A  |   GLYCOPROTEIN, IMMUNE SYSTEM, TRANSMEMBRANE, IMMUNOGLOBULIN DOMAIN, HOST-VIRUS INTERACTION, MHC I, MEMBRANE, RECEPTOR, POLYMORPHISM, PYRROLIDONE CARBOXYLIC ACID, IMUNOREGULATORY COMPLEX, CLASS I MHC-TCR CO-CRYSTAL, UBL CONJUGATION, IMMUNE RESPONSE, HYPOTHETICAL PROTEIN 
4n90:G     (GLU1) to   (ILE107)  CRYSTAL STRUCTURE OF TERNARY COMPLEX OF TRAIL, DR5, AND FAB FRAGMENT FROM A DR5 AGONIST ANTIBODY  |   DR5, TRAIL, AGONIST, ANTIBODY, COOPERATION, CLUSTERING, APOPTOSIS- IMMUNE SYSTEM COMPLEX 
2z91:B     (LEU2) to   (ALA109)  CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF ANTI-CIGUATOXIN ANTIBODY 10C9  |   IMMUNOGLOBRIN FOLD, IMMUNE SYSTEM 
2z92:B     (LEU2) to   (VAL106)  CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF ANTI-CIGUATOXIN ANTIBODY 10C9 IN COMPLEX WITH CTX3C_ABCDE  |   IMMUNOGLOBRIN FOLD, IMMUNE SYSTEM 
2zkh:L     (VAL3) to   (ILE105)  HUMAN THROMBOPOIETIN NEUTRALIZING ANTIBODY TN1 FAB  |   THROMBOPOIETIN, FAB FRAGMENT(ANTIBODY), IMMUNE SYSTEM 
5d7l:E     (LYS3) to   (GLU114)  STRUCTURE OF HUMAN MR1-5-OP-RU IN COMPLEX WITH HUMAN MAV36 TCR  |   RECEPTOR, ANTIGEN, IMMUNE SYSTEM 
4aix:A     (LEU4) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RC34Y, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
4aix:B     (LEU4) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RC34Y, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
4aj0:A     (LEU4) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RCW, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
4aj0:B     (GLU3) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RCW, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
4aj0:C     (LEU4) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RCW, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
4aj0:D     (LEU4) to   (THR105)  CRYSTALLOGRAPHIC STRUCTURE OF AN AMYLOIDOGENIC VARIANT, 3RCW, OF THE GERMINAL LINE LAMBDA 3  |   IMMUNE SYSTEM, AMYLOIDOSIS 
5e08:L     (ILE3) to   (THR110)  SPECIFIC RECOGNITION OF A SINGLE-STRANDED RNA SEQUENCE BY AN ENGINEERED SYNTHETIC ANTIBODY FRAGMENT  |   ANTIBODY, FAB, SSRNA, IMMUNE SYSTEM-RNA COMPLEX 
5e2v:L     (ILE2) to   (THR114)  ANTI-TAU AT8 FAB WITH DOUBLY PHOSPHORYLATED TAU PEPTIDE  |   IMMUNE SYSTEM 
3m8o:H     (GLN3) to   (THR116)  HUMAN IGA1 FAB FRAGMENT  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
3mcl:L     (GLN1) to   (LEU104)  ANTI-BETA-AMYLOID ANTIBODY C706 FAB IN SPACE GROUP P21  |   IMMUNOGLOBULIN FOLD, MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
5fha:L     (ILE2) to   (ILE106)  CRYSTAL STRUCTURE OF PROTECTIVE EBOLA VIRUS ANTIBODY 114  |   IG DOMAIN, FAB, IMMUNE SYSTEM 
4r7d:B     (VAL3) to   (THR109)  FAB HU 15C1  |   TLR4 ANTIBODY, IMMUNE SYSTEM 
4r7d:N     (ILE2) to   (THR109)  FAB HU 15C1  |   TLR4 ANTIBODY, IMMUNE SYSTEM 
4r90:L     (VAL3) to   (THR108)  ANTI CD70 LLAMA GLAMA FAB 27B3  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM, HUMAN CD70 
4dag:L    (LEU22) to   (VAL125)  STRUCTURE OF THE HUMAN METAPNEUMOVIRUS FUSION PROTEIN WITH NEUTRALIZING ANTIBODY IDENTIFIES A PNEUMOVIRUS ANTIGENIC SITE  |   VIRAL PROTEIN, MPV FUSION PROTEIN, ANTIBODY, IMMUNE SYSTEM, DS7 ANTIBODY STRUCTURE, DS7, FAB STRUCTURE, VACCINE, VIRAL PROTEIN- IMMUNE SYSTEM COMPLEX 
4dvb:B     (ASP1) to   (ALA110)  THE CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF PRO-UPA ANTIBODY MAB-112  |   IMMUNE SYSTEM, HYDROLASE 
5ibl:H     (VAL2) to   (SER124)  HUMAN ANTIBODY 6639 IN COMPLEX WITH INFLUENZA HEMAGGLUTININ H1 X-181  |   HEMAGGLUTININ, COMPLEX, ANTIBODY, VACCINE, IMMUNE SYSTEM 
4f9l:C     (ASP1) to   (ILE106)  CRYSTAL STRUCTURE OF THE HUMAN BTN3A1 ECTODOMAIN IN COMPLEX WITH THE 20.1 SINGLE CHAIN ANTIBODY  |   B7 SUPERFAMILY, BUTYROPHILIN, CD277, IMMUNE SYSTEM 
4gkz:B     (VAL2) to   (GLU114)  HA1.7, A MHC CLASS II RESTRICTED TCR SPECIFIC FOR HAEMAGGLUTININ  |   MAJOR HISTOCOMPATIBILITY COMPLEX CLASS II (PMHC-II), T-CELL, T-CELL RECEPTOR (TCR), INFLUENZA, HA1.7, IMMUNE SYSTEM 
5lbs:I     (VAL2) to   (SER113)  STRUCTURAL BASIS OF ZIKA AND DENGUE VIRUS POTENT ANTIBODY CROSS- NEUTRALIZATION  |   IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX, ZIKA VIRUS, BROADLY NEUTRALIZING ANTIBODY, IMMUNE SYSTEM-VIRAL PROTEIN 
2ak4:E     (GLY3) to   (GLU118)  CRYSTAL STRUCTURE OF SB27 TCR IN COMPLEX WITH HLA-B*3508- 13MER PEPTIDE  |   T CELL RECEPTOR, BULGED EPITOPES, PMHC/TCR COMPLEX, IMMUNE SYSTEM 
2ak4:P     (GLY3) to   (GLU118)  CRYSTAL STRUCTURE OF SB27 TCR IN COMPLEX WITH HLA-B*3508- 13MER PEPTIDE  |   T CELL RECEPTOR, BULGED EPITOPES, PMHC/TCR COMPLEX, IMMUNE SYSTEM 
3kj4:L     (VAL3) to   (ALA114)  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 
3kxf:P     (GLY3) to   (THR113)  CRYSTAL STRUCTURE OF SB27 TCR IN COMPLEX WITH THE 'RESTRICTION TRIAD' MUTANT HLA-B*3508-13MER  |   MHC, HLA, TCR, DISULFIDE BOND, HOST-VIRUS INTERACTION, IMMUNE RESPONSE, MEMBRANE, MHC I, TRANSMEMBRANE, IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM