RESIDUE   LFU     20
CONECT      CA     4 CB   ND   H1   H2  
CONECT      C      3 O    ND   CH3 
CONECT      O      1 C   
CONECT      CB     4 CA   CC   H3   H4  
CONECT      ND     3 CA   C    H5  
CONECT      CH3    4 C    H6   H7   H8  
CONECT      CC     4 CB   NAA  H9   H10 
CONECT      NAA    3 CC   H11  H12 
CONECT      H1     1 CA  
CONECT      H2     1 CA  
CONECT      H3     1 CB  
CONECT      H4     1 CB  
CONECT      H5     1 ND  
CONECT      H6     1 CH3 
CONECT      H7     1 CH3 
CONECT      H8     1 CH3 
CONECT      H9     1 CC  
CONECT      H10    1 CC  
CONECT      H11    1 NAA 
CONECT      H12    1 NAA 
END   
HET    LFU             20
HETNAM     LFU ~{N}-(3-azanylpropyl)ethanamide
FORMUL      LFU    C5 H12 N2 O