Structure based on 4pdg

Ideal structure
Name: 2-sulfanyl-1,9-dihydro-6h-purin-6-one
Formula: C5 H4 N4 O S
Weight: 168.176
SMILES: "SC1=Nc2[nH]cnc2C(=O)N1"
Spacial conformation based on PDB 4pdg.
Also present on 4pdi, 6ro2
RESIDUE   2ON     15
CONECT      C6     3 N1   C5   O6  
CONECT      N1     3 C6   C2   HN1 
CONECT      C2     3 N1   N3   S2  
CONECT      N3     2 C2   C4  
CONECT      C4     3 N3   C5   N9  
CONECT      C5     3 C6   C4   N7  
CONECT      N9     3 C4   C8   HN9 
CONECT      C8     3 N9   N7   HC8 
CONECT      N7     2 C5   C8  
CONECT      O6     1 C6  
CONECT      S2     2 C2   HS2 
CONECT      HN1    1 N1  
CONECT      HS2    1 S2  
CONECT      HC8    1 C8  
CONECT      HN9    1 N9  
HET    2ON             15
HETNAM     2ON 2-sulfanyl-1,9-dihydro-6H-purin-6-one
FORMUL      2ON    C5 H4 N4 O1 S1

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