 31 THR  N      51 THR  O       1.80
 31 THR  H      51 THR  O       1.80
 31 THR  O      51 THR  N       1.80
 31 THR  O      51 THR  H       1.80
 33 GLY  N      49 LEU  O       1.80
 33 GLY  H      49 LEU  O       1.80
