RESIDUE   SGP     35
CONECT      P      4 S1P  O1P  O3'  O2' 
CONECT      S1P    1 P   
CONECT      O1P    2 P    HOP1
CONECT      O5'    2 C5'  HO5'
CONECT      C5'    4 O5'  C4'  H5'1 H5'2
CONECT      C4'    4 C5'  O4'  C3'  H4' 
CONECT      O4'    2 C4'  C1' 
CONECT      C3'    4 C4'  O3'  C2'  H3' 
CONECT      O3'    2 P    C3' 
CONECT      C2'    4 C3'  O2'  C1'  H2' 
CONECT      O2'    2 P    C2' 
CONECT      C1'    4 O4'  C2'  N9   H1' 
CONECT      N9     3 C1'  C8   C4  
CONECT      C8     3 N9   N7   H8  
CONECT      N7     2 C8   C5  
CONECT      C5     3 N7   C6   C4  
CONECT      C6     3 C5   O6   N1  
CONECT      O6     1 C6  
CONECT      N1     3 C6   C2   HN1 
CONECT      C2     3 N1   N2   N3  
CONECT      N2     3 C2   HN21 HN22
CONECT      N3     2 C2   C4  
CONECT      C4     3 N9   C5   N3  
CONECT      HOP1   1 O1P 
CONECT      HO5'   1 O5' 
CONECT      H5'1   1 C5' 
CONECT      H5'2   1 C5' 
CONECT      H4'    1 C4' 
CONECT      H3'    1 C3' 
CONECT      H2'    1 C2' 
CONECT      H1'    1 C1' 
CONECT      H8     1 C8  
CONECT      HN1    1 N1  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
END   
HET    SGP             35
HETNAM     SGP GUANOSINE-2',3'-CYCLOPHOSPHOROTHIOATE
FORMUL      SGP    C10 H12 N5 O6 P1 S1