RESIDUE   ALT     13
CONECT      N      3 CA   H    H2  
CONECT      CA     4 N    CB   C    HA  
CONECT      CB     4 CA   HB1  HB2  HB3 
CONECT      C      3 CA   S    OXT 
CONECT      S      1 C   
CONECT      OXT    2 C    HXT 
CONECT      H      1 N   
CONECT      H2     1 N   
CONECT      HA     1 CA  
CONECT      HB1    1 CB  
CONECT      HB2    1 CB  
CONECT      HB3    1 CB  
CONECT      HXT    1 OXT 
END   
HET    ALT             13
HETNAM     ALT THIOALANINE
FORMUL      ALT    C3 H7 N1 O1 S1