RESIDUE   SET     15
CONECT      N      3 CA   H    H2  
CONECT      CA     4 N    CB   C    HA  
CONECT      CB     4 CA   OG   HB2  HB3 
CONECT      OG     2 CB   HG  
CONECT      NT     3 C    HNT1 HNT2
CONECT      C      3 CA   NT   O   
CONECT      O      1 C   
CONECT      H      1 N   
CONECT      H2     1 N   
CONECT      HA     1 CA  
CONECT      HB2    1 CB  
CONECT      HB3    1 CB  
CONECT      HG     1 OG  
CONECT      HNT1   1 NT  
CONECT      HNT2   1 NT  
END   
HET    SET             15
HETNAM     SET AMINOSERINE
FORMUL      SET    C3 H8 N2 O2