RESIDUE   CUM      6
CONECT      CU     1 S   
CONECT      S      2 CU   MO  
CONECT      MO     3 S    OM2  OM1 
CONECT      OM2    2 MO   HO2 
CONECT      OM1    1 MO  
CONECT      HO2    1 OM2 
END   
HET    CUM              6
HETNAM     CUM CU(I)-S-MO(VI)(=O)OH CLUSTER
FORMUL      CUM    Cu1 H1 Mo1 O2 S1 7+