RESIDUE   A1CAB     15
CONECT      C      3 OXT  CA   O   
CONECT      N      2 CA   CD  
CONECT      OXT    2 C    HXT 
CONECT      CA     4 C    N    CB   HA  
CONECT      CB     4 CA   CG   HB2  HB3 
CONECT      CG     4 CB   CD   HG2  HG3 
CONECT      CD     3 N    CG   HD2 
CONECT      O      1 C   
CONECT      HXT    1 OXT 
CONECT      HA     1 CA  
CONECT      HB2    1 CB  
CONECT      HB3    1 CB  
CONECT      HG2    1 CG  
CONECT      HG3    1 CG  
CONECT      HD2    1 CD  
END   
HET    A1CAB             15
HETNAM     A1CAB (2S)-3,4-dihydro-2H-pyrrole-2-carboxylic acid
FORMUL      A1CAB    C5 H7 N O2