Top chemical compounds for concept: c_0897
# Observed top chemical compounds associated with the concept c_0897
#  mined from the 'HETATM' record lines within the wwPDB
#  coordinate files of this concept's usages. 
#   -------------------------------------------------------------c_0897
#   %Freq     Ligand/Chemical Compound
#   ------------------------------------------------------------------- 
    97.9     281 HEM PROTOPORPHYRIN IX CONTAINING FE
    17.8      51 SO4 SULFATE ION
    12.9      37 OXY OXYGEN MOLECULE
    12.2      35 CMO CARBON MONOXIDE
     4.2      12 ACE ACETYL GROUP
     3.8      11 PO4 PHOSPHATE ION
     2.4       7 HNI PROTOPORPHYRIN IX CONTAINING NI(II)
     2.4       7 GOL GLYCEROL
     2.1       6 XE XENON
     2.1       6 NAG N-ACETYL-D-GLUCOSAMINE
     2.1       6 2FU BUT-2-ENEDIAL
     1.7       5 OH HYDROXIDE ION
     1.7       5 EDO 1,2-ETHANEDIOL
     1.7       5 CYN CYANIDE ION
     1.4       4 NO NITRIC OXIDE
     1.4       4 FC6 HEXACYANOFERRATE(3-)
     1.0       3 O OXYGEN ATOM
     1.0       3 NO2 NITRITE ION
     1.0       3 HEG PROTOPORPHYRIN IX CONTAINING MG
     1.0       3 GLC ALPHA-D-GLUCOSE
#   ------------------------------------------------------------------- 
#   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_0897