RESIDUE   HY3     18
CONECT      C      3 O    CA   OXT 
CONECT      O      1 C   
CONECT      N      3 CA   C5   H   
CONECT      CA     4 C    N    C3   HA  
CONECT      C3     4 CA   C4   O2   HB  
CONECT      C4     4 C3   C5   HG   HGA 
CONECT      C5     4 N    C4   HD   HDA 
CONECT      O2     2 C3   HO1 
CONECT      OXT    2 C    HXT 
CONECT      H      1 N   
CONECT      HA     1 CA  
CONECT      HB     1 C3  
CONECT      HG     1 C4  
CONECT      HGA    1 C4  
CONECT      HD     1 C5  
CONECT      HDA    1 C5  
CONECT      HO1    1 O2  
CONECT      HXT    1 OXT 
END   
HET    HY3             18
HETSYN     HY3 (2S,3S)-3-hydroxypyrrolidine-2-carboxylic acid
HETNAM     HY3 3-HYDROXYPROLINE
FORMUL      HY3    C5 H9 N O3