Structure based on 3pcj

Ideal structure
Name: 2-hydroxyisonicotinic acid n-oxide
Formula: C6 H5 N O4
Weight: 155.108
SMILES: "OC(=O)c1cc[n+]([O-])c(O)c1"
Spacial conformation based on PDB 3pcj.
Also present on 3pcl
RESIDUE   INO     16
CONECT      N1     3 C2   C6   O4  
CONECT      C2     3 N1   C3   O3  
CONECT      C3     3 C2   C4   H3  
CONECT      C4     3 C3   C5   C7  
CONECT      C5     3 C4   C6   H5  
CONECT      C6     3 N1   C5   H6  
CONECT      C7     3 C4   O1   O2  
CONECT      O1     1 C7  
CONECT      O2     2 C7   HO2 
CONECT      O3     2 C2   HO3 
CONECT      O4     1 N1  
CONECT      H3     1 C3  
CONECT      H5     1 C5  
CONECT      H6     1 C6  
CONECT      HO2    1 O2  
CONECT      HO3    1 O3  
END   
HET    INO             16
HETNAM     INO 2-HYDROXYISONICOTINIC ACID N-OXIDE
FORMUL      INO    C6 H5 N1 O4

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