RESIDUE   BRG     16
CONECT      N9     2 C4   C8  
CONECT      C4     3 N9   N3   C5  
CONECT      N3     2 C4   C2  
CONECT      C2     3 N3   N2   N1  
CONECT      N2     3 C2   H21  H22 
CONECT      N1     3 C2   C6   H1  
CONECT      C6     3 N1   O6   C5  
CONECT      O6     1 C6  
CONECT      C5     3 C4   C6   N7  
CONECT      N7     3 C5   C8   H7  
CONECT      C8     3 N9   N7   BR  
CONECT      BR     1 C8  
CONECT      H21    1 N2  
CONECT      H22    1 N2  
CONECT      H1     1 N1  
CONECT      H7     1 N7  
END   
HET    BRG             16
HETNAM     BRG 8-BROMOGUANINE
FORMUL      BRG    C5 H4 Br1 N5 O1