Structure based on 1it8

Ideal structure
Name: 2-amino-4-oxo-4,7-dihydro-3h-pyrrolo[2,3-d]pyrimidine-5-carbonitrile
Formula: C7 H5 N5 O
Weight: 175.147
SMILES: "NC1=Nc2[nH]cc(C#N)c2C(=O)N1"
Spacial conformation based on PDB 1it8.
Also present in other 5 PDB entries.
RESIDUE   PQ0     18
CONECT      N1     3 C2   C6   HN1 
CONECT      C2     3 N1   N3   N2  
CONECT      N3     2 C2   C4  
CONECT      C4     3 N3   C5   N9  
CONECT      C5     3 C4   C6   C7  
CONECT      C6     3 N1   C5   O6  
CONECT      O6     1 C6  
CONECT      C7     3 C5   C10  C8  
CONECT      C10    2 C7   N11 
CONECT      N11    1 C10 
CONECT      C8     3 C7   N9   H8  
CONECT      N9     3 C4   C8   HN9 
CONECT      N2     3 C2   HN21 HN22
CONECT      HN1    1 N1  
CONECT      H8     1 C8  
CONECT      HN9    1 N9  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
END   
HET    PQ0             18
HETSYN     PQ0 7-DEAZA-7-CYANO-GUANINE
HETNAM     PQ0 2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDINE-5
HETNAM   2 PQ0 -CARBONITRILE
FORMUL      PQ0    C7 H5 N5 O1

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OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science