RESIDUE   SI2     40
CONECT      C1     3 C2   O1A  O1B 
CONECT      C2     4 C1   C3   O2   O6  
CONECT      C3     4 C2   C4   H31  H32 
CONECT      C4     4 C3   C5   O4   H4  
CONECT      C5     4 C4   C6   N5   H5  
CONECT      C6     4 C5   C7   O6   H6  
CONECT      C7     4 C6   C8   O7   H7  
CONECT      C8     4 C7   C9   O8   H8  
CONECT      C9     4 C8   O9   H91  H92 
CONECT      C10    3 C11  N5   O10 
CONECT      C11    4 C10  H111 H112 H113
CONECT      N5     3 C5   C10  HN5 
CONECT      O1A    1 C1  
CONECT      O1B    2 C1   HOB1
CONECT      O2     2 C2   HO2 
CONECT      O4     2 C4   HO4 
CONECT      O6     2 C2   C6  
CONECT      O7     2 C7   HO7 
CONECT      O8     2 C8   HO8 
CONECT      O9     2 C9   HO9 
CONECT      O10    1 C10 
CONECT      H31    1 C3  
CONECT      H32    1 C3  
CONECT      H4     1 C4  
CONECT      H5     1 C5  
CONECT      H6     1 C6  
CONECT      H7     1 C7  
CONECT      H8     1 C8  
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      H111   1 C11 
CONECT      H112   1 C11 
CONECT      H113   1 C11 
CONECT      HN5    1 N5  
CONECT      HOB1   1 O1B 
CONECT      HO2    1 O2  
CONECT      HO4    1 O4  
CONECT      HO7    1 O7  
CONECT      HO8    1 O8  
CONECT      HO9    1 O9  
END   
HET    SI2             40
HETNAM     SI2 O-SIALIC ACID (CHAIR CONFORMATION)
FORMUL      SI2    C11 H19 N1 O9