RESIDUE   XCP     20
CONECT      N      3 CB   HN   HNA 
CONECT      CB     4 N    CG   CA   HB  
CONECT      CG     4 CB   CD   HG   HGA 
CONECT      CD     4 CG   CE   HD   HDA 
CONECT      CE     4 CD   CA   HE   HEA 
CONECT      CA     4 CB   CE   C    HA  
CONECT      C      3 CA   O    OXT 
CONECT      O      1 C   
CONECT      HN     1 N   
CONECT      HB     1 CB  
CONECT      HG     1 CG  
CONECT      HGA    1 CG  
CONECT      HD     1 CD  
CONECT      HDA    1 CD  
CONECT      HE     1 CE  
CONECT      HEA    1 CE  
CONECT      HA     1 CA  
CONECT      HNA    1 N   
CONECT      OXT    2 C    HXT 
CONECT      HXT    1 OXT 
END   
HET    XCP             20
HETNAM     XCP (1S,2S)-2-aminocyclopentanecarboxylic acid
FORMUL      XCP    C6 H11 N1 O2