Top chemical compounds for concept: c_0898

# Observed top chemical compounds associated with the concept c_0898
#  mined from the 'HETATM' record lines within the wwPDB
#  coordinate files of this concept's usages. 
#   -------------------------------------------------------------c_0898
#   %Freq     Ligand/Chemical Compound
#   ------------------------------------------------------------------- 
    52.2     582 HEM PROTOPORPHYRIN IX CONTAINING FE
    38.4     428 SO4 SULFATE ION
    27.1     302 FE FE (III) ION
    25.5     285 K POTASSIUM ION
    18.5     207 FE2 FE (II) ION
     8.5      95 ZN ZINC ION
     7.7      86 MG MAGNESIUM ION
     7.0      78 GOL GLYCEROL
     5.2      58 YCM S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE
     4.7      52 NA SODIUM ION
     4.6      51 ACT ACETATE ION
     4.3      48 CA CALCIUM ION
     3.9      44 CD CADMIUM ION
     3.7      41 ACY ACETIC ACID
     3.3      37 MN MANGANESE (II) ION
     3.0      34 MPD (4S)-2-METHYL-2,4-PENTANEDIOL
     2.6      29 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID
     2.2      24 MRD (4R)-2-METHYLPENTANE-2,4-DIOL
     2.1      23 AG SILVER ION
     2.0      22 CL CHLORIDE ION
     1.7      19 EDO 1,2-ETHANEDIOL
     1.3      14 PG4 TETRAETHYLENE GLYCOL
     1.1      12 IMD IMIDAZOLE
     1.1      12 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
     1.1      12 BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
#   ------------------------------------------------------------------- 
#   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_0898