Structure based on 1dwk

Ideal structure
Name: oxalate ion
Formula: C2 O4
Weight: 88.019
SMILES: "[O-]C(=O)C([O-])=O"
Spacial conformation based on PDB 1dwk.
Also present in other 155 PDB entries.
RESIDUE   OXL      6
CONECT      C1     3 C2   O1   O3  
CONECT      C2     3 C1   O2   O4  
CONECT      O1     1 C1  
CONECT      O2     1 C2  
CONECT      O3     1 C1  
CONECT      O4     1 C2  
END   
HET    OXL              6
HETNAM     OXL OXALATE ION
FORMUL      OXL    C2 O4 2-

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