RESIDUE   A1CK6     32
CONECT      C2     4 C7   C4   S1   H2  
CONECT      C3     3 N1   N2   O3  
CONECT      C7     4 C2   C8   H71  H72 
CONECT      C8     4 C7   C9   H81  H82 
CONECT      C9     4 C8   C10  H91  H92 
CONECT      C10    4 C9   C11  H101 H102
CONECT      C11    3 C10  O11  O12 
CONECT      C6     4 C5   S1   H61  H62 
CONECT      C5     4 C6   C4   N1   H5  
CONECT      C4     4 C2   C5   N2   H4  
CONECT      N1     3 C3   C5   HN1 
CONECT      N2     3 C3   C4   HN2 
CONECT      O3     1 C3  
CONECT      O11    1 C11 
CONECT      O12    2 C11  H1  
CONECT      S1     2 C2   C6  
CONECT      H2     1 C2  
CONECT      H71    1 C7  
CONECT      H72    1 C7  
CONECT      H81    1 C8  
CONECT      H82    1 C8  
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H61    1 C6  
CONECT      H62    1 C6  
CONECT      H5     1 C5  
CONECT      H4     1 C4  
CONECT      HN1    1 N1  
CONECT      HN2    1 N2  
CONECT      H1     1 O12 
END   
HET    A1CK6             32
HETSYN     A1CK6 L-Biotin
HETNAM     A1CK6 5-[(3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol
HETNAM   2 A1CK6 -4-yl]pentanoic acid
FORMUL      A1CK6    C10 H16 N2 O3 S