Structure based on 1bq4

Ideal structure
Name: benzene hexacarboxylic acid
Formula: C12 H6 O12
Weight: 342.169
SMILES: "OC(=O)c1c(C(O)=O)c(C(O)=O)c(C(O)=O)c(C(O)=O)c1C(O)=O"
Spacial conformation based on PDB 1bq4.
Also present on 4cmx, 5hgp, 7pgb
RESIDUE   BHC     30
CONECT      C1     3 CO1  C2   C6  
CONECT      CO1    3 C1   O11  O12 
CONECT      O11    1 CO1 
CONECT      O12    2 CO1  H12 
CONECT      C2     3 C1   CO2  C3  
CONECT      CO2    3 C2   O21  O22 
CONECT      O21    1 CO2 
CONECT      O22    2 CO2  H22 
CONECT      C3     3 C2   CO3  C4  
CONECT      CO3    3 C3   O31  O32 
CONECT      O31    1 CO3 
CONECT      O32    2 CO3  H32 
CONECT      C4     3 C3   CO4  C5  
CONECT      CO4    3 C4   O41  O42 
CONECT      O41    1 CO4 
CONECT      O42    2 CO4  H42 
CONECT      C5     3 C4   CO5  C6  
CONECT      CO5    3 C5   O51  O52 
CONECT      O51    1 CO5 
CONECT      O52    2 CO5  H52 
CONECT      C6     3 C1   C5   CO6 
CONECT      CO6    3 C6   O61  O62 
CONECT      O61    1 CO6 
CONECT      O62    2 CO6  H62 
CONECT      H12    1 O12 
CONECT      H22    1 O22 
CONECT      H32    1 O32 
CONECT      H42    1 O42 
CONECT      H52    1 O52 
CONECT      H62    1 O62 
END   
HET    BHC             30
HETNAM     BHC BENZENE HEXACARBOXYLIC ACID
FORMUL      BHC    C12 H6 O12

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science