Structure based on 1pu7

Ideal structure
Name: 6-amino-3,9-dimethyl-9h-purin-3-ium
Formula: C7 H10 N5
Weight: 164.188
SMILES: "Cn1cnc2c(N)nc[n+](C)c12"
Spacial conformation based on PDB 1pu7
RESIDUE   39A     22
CONECT      N6     3 C6   HN61 HN62
CONECT      C6     3 N6   C5   N1  
CONECT      C5     3 C6   N7   C4  
CONECT      N7     2 C5   C8  
CONECT      C4     3 C5   N9   N3  
CONECT      N9     3 C4   C8   C9M 
CONECT      C8     3 N7   N9   H8  
CONECT      C9M    4 N9   H9M1 H9M2 H9M3
CONECT      N3     3 C4   C3M  C2  
CONECT      C3M    4 N3   H3M1 H3M2 H3M3
CONECT      C2     3 N3   N1   H2  
CONECT      N1     2 C6   C2  
CONECT      HN61   1 N6  
CONECT      HN62   1 N6  
CONECT      H8     1 C8  
CONECT      H9M1   1 C9M 
CONECT      H9M2   1 C9M 
CONECT      H9M3   1 C9M 
CONECT      H3M1   1 C3M 
CONECT      H3M2   1 C3M 
CONECT      H3M3   1 C3M 
CONECT      H2     1 C2  
END   
HET    39A             22
HETSYN     39A 3,9-DIMETHYLADENINE
HETNAM     39A 6-AMINO-3,9-DIMETHYL-9H-PURIN-3-IUM
FORMUL      39A    C7 H10 N5 1+

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