Top chemical compounds for concept: c_0640
# Observed top chemical compounds associated with the concept c_0640
#  mined from the 'HETATM' record lines within the wwPDB
#  coordinate files of this concept's usages. 
#   -------------------------------------------------------------c_0640
#   %Freq     Ligand/Chemical Compound
#   ------------------------------------------------------------------- 
    55.0      72 HEM PROTOPORPHYRIN IX CONTAINING FE
    34.4      45 CYC PHYCOCYANOBILIN
    27.5      36 MEN N-METHYL ASPARAGINE
    16.8      22 CMO CARBON MONOXIDE
    11.5      15 SO4 SULFATE ION
    11.5      15 OXY OXYGEN MOLECULE
    10.7      14 BLA BILIVERDINE IX ALPHA
     6.9       9 ZN ZINC ION
     4.6       6 NA SODIUM ION
     4.6       6 BO4 BORATE ION
     3.8       5 PO4 PHOSPHATE ION
     3.1       4 PEB PHYCOERYTHROBILIN
     3.1       4 GOL GLYCEROL
     3.1       4 CYN CYANIDE ION
     2.3       3 HNI PROTOPORPHYRIN IX CONTAINING NI(II)
     2.3       3 CL CHLORIDE ION
     2.3       3 CA CALCIUM ION
     1.5       2 MBN TOLUENE
     1.5       2 IOD IODIDE ION
     1.5       2 DIO 1,4-DIETHYLENE DIOXIDE
     1.5       2 B77 2-[(2-METHOXY-5-METHYLPHENOXY)METHYL]PYRIDINE
     1.5       2 ACE ACETYL GROUP
#   ------------------------------------------------------------------- 
#   Notes: %Freq gives (as a percentage) the number of usages
#      of the concept in which the associated Chemical Compund or
#      Ligand was observed in the HETATM record.
#   -------------------------------------------------------------c_0640