RESIDUE   YWF     14
CONECT      N      3 CD   H    H2  
CONECT      CD     4 N    CB   HA2  HA1 
CONECT      CB     3 CD   CG   HB2 
CONECT      CG     3 CB   C    HG2 
CONECT      C      3 CG   O    OXT 
CONECT      O      1 C   
CONECT      OXT    2 C    HXT 
CONECT      H      1 N   
CONECT      H2     1 N   
CONECT      HA2    1 CD  
CONECT      HA1    1 CD  
CONECT      HB2    1 CB  
CONECT      HG2    1 CG  
CONECT      HXT    1 OXT 
END   
HET    YWF             14
HETSYN     YWF (E)-4-azanylbut-2-enoic acid
HETNAM     YWF gamma-aminobutenoic acid
FORMUL      YWF    C4 H7 N O2