Structure based on ?

Ideal structure
Name: 6-amino-3,7-dihydro-imidazo[4,5-g]quinazolin-8-one
Formula: C9 H7 N5 O
Weight: 201.185
SMILES: "NC1=Nc2cc3[nH]cnc3cc2C(=O)N1"
Spacial conformation based on PDB ?.
Also present on 2bbf
RESIDUE   344     22
CONECT      N4     2 C9   C6  
CONECT      C9     3 N4   N5   H9  
CONECT      N5     3 C9   C1   HN5 
CONECT      C1     3 N5   C2   C6  
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   N3   C4  
CONECT      N3     2 C3   C8  
CONECT      C8     3 N3   N2   N1  
CONECT      N2     3 C8   HN21 HN22
CONECT      N1     3 C8   C7   HN1 
CONECT      C7     3 N1   O1   C4  
CONECT      O1     1 C7  
CONECT      C4     3 C3   C7   C5  
CONECT      C5     3 C4   C6   H5  
CONECT      C6     3 N4   C1   C5  
CONECT      H9     1 C9  
CONECT      HN5    1 N5  
CONECT      H2     1 C2  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
CONECT      HN1    1 N1  
CONECT      H5     1 C5  
END   
HET    344             22
HETNAM     344 6-AMINO-3,7-DIHYDRO-IMIDAZO[4,5-G]QUINAZOLIN-8-ONE
FORMUL      344    C9 H7 N5 O1

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