Structure based on 1zrm

Ideal structure
Name: butanoic acid
Formula: C4 H8 O2
Weight: 88.105
SMILES: "CCCC(O)=O"
Spacial conformation based on PDB 1zrm.
Also present in other 25 PDB entries.
RESIDUE   BUA     14
CONECT      C1     4 C2   H11  H12  H13 
CONECT      C2     4 C1   C3   H21  H22 
CONECT      C3     4 C2   C4   H31  H32 
CONECT      C4     3 C3   O1   O2  
CONECT      O1     1 C4  
CONECT      O2     2 C4   HO2 
CONECT      H11    1 C1  
CONECT      H12    1 C1  
CONECT      H13    1 C1  
CONECT      H21    1 C2  
CONECT      H22    1 C2  
CONECT      H31    1 C3  
CONECT      H32    1 C3  
CONECT      HO2    1 O2  
END   
HET    BUA             14
HETNAM     BUA butanoic acid
FORMUL      BUA    C4 H8 O2

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