RESIDUE   EUP     19
CONECT      NAD    3 CAE  H16  H2  
CONECT      CAE    4 NAD  CAN  CAF  H17 
CONECT      CAN    4 CAE  OAO  CAP  H18 
CONECT      OAO    2 CAN  H19 
CONECT      CAP    4 CAN  NAQ  H20  H21 
CONECT      NAQ    3 CAP  H22  H23 
CONECT      CAF    3 CAE  O    OXT 
CONECT      O      1 CAF 
CONECT      H16    1 NAD 
CONECT      H17    1 CAE 
CONECT      H18    1 CAN 
CONECT      H19    1 OAO 
CONECT      H20    1 CAP 
CONECT      H21    1 CAP 
CONECT      H22    1 NAQ 
CONECT      H23    1 NAQ 
CONECT      H2     1 NAD 
CONECT      OXT    2 CAF  HXT 
CONECT      HXT    1 OXT 
END   
HET    EUP             19
HETNAM     EUP 4-amino-L-allothreonine
FORMUL      EUP    C4 H10 N2 O3