Structure based on 1s2i

Ideal structure
Name: 6-bromo-7h-purine
Formula: C5 H3 Br N4
Weight: 199.008
SMILES: "Brc1ncnc2nc[nH]c12"
Spacial conformation based on PDB 1s2i
RESIDUE   BP1     13
CONECT      N9     2 C4   C8  
CONECT      C4     3 N9   N3   C5  
CONECT      N3     2 C4   C2  
CONECT      C2     3 N3   N1   H2  
CONECT      N1     2 C2   C6  
CONECT      C6     3 N1   BR   C5  
CONECT      BR     1 C6  
CONECT      C5     3 C4   C6   N7  
CONECT      N7     3 C5   C8   HN7 
CONECT      C8     3 N9   N7   H8  
CONECT      H2     1 C2  
CONECT      HN7    1 N7  
CONECT      H8     1 C8  
END   
HET    BP1             13
HETSYN     BP1 BROMOPURINE
HETNAM     BP1 6-BROMO-7H-PURINE
FORMUL      BP1    C5 H3 Br1 N4

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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