Structure based on 1cz9

Ideal structure
Name: citric acid
Formula: C6 H8 O7
Weight: 192.124
SMILES: "OC(=O)CC(O)(CC(O)=O)C(O)=O"
Spacial conformation based on PDB 1cz9.
Also present in other 884 PDB entries.
RESIDUE   CIT     21
CONECT      C1     3 O1   O2   C2  
CONECT      O1     1 C1  
CONECT      O2     2 C1   HO2 
CONECT      C2     4 C1   C3   H21  H22 
CONECT      C3     4 C2   O7   C4   C6  
CONECT      O7     2 C3   HO7 
CONECT      C4     4 C3   C5   H41  H42 
CONECT      C5     3 C4   O3   O4  
CONECT      O3     1 C5  
CONECT      O4     2 C5   HO4 
CONECT      C6     3 C3   O5   O6  
CONECT      O5     1 C6  
CONECT      O6     2 C6   HO6 
CONECT      HO2    1 O2  
CONECT      H21    1 C2  
CONECT      H22    1 C2  
CONECT      HO7    1 O7  
CONECT      H41    1 C4  
CONECT      H42    1 C4  
CONECT      HO4    1 O4  
CONECT      HO6    1 O6  
END   
HET    CIT             21
HETNAM     CIT CITRIC ACID
FORMUL      CIT    C6 H8 O7

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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