RESIDUE   FBE     17
CONECT      C      3 O    C1   O2  
CONECT      O      1 C   
CONECT      C1     4 C    C2   H11  H12 
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   C4   H3  
CONECT      C4     4 C3   N    H41  H42 
CONECT      N      3 C4   HN1  HN2 
CONECT      O2     2 C    H9  
CONECT      H11    1 C1  
CONECT      H12    1 C1  
CONECT      H2     1 C2  
CONECT      H3     1 C3  
CONECT      H41    1 C4  
CONECT      H42    1 C4  
CONECT      HN1    1 N   
CONECT      HN2    1 N   
CONECT      H9     1 O2  
END   
HET    FBE             17
HETNAM     FBE (3E)-5-aminopent-3-enoic acid
FORMUL      FBE    C5 H9 N1 O2