assi 
   (( segid "   B" and resid 17   and name  HD21))
   (( segid "   B" and resid 28   and name  SG  ))

      2.175     0.375     0.375
 assi 
   (( segid "   B" and resid 17   and name  ND2 ))
   (( segid "   B" and resid 28   and name  SG  ))

      2.675     0.875     0.875
 assi 
   (( segid "   B" and resid 17   and name  OD1 ))
   (( segid "   B" and resid 33   and name  HN  ))

      1.900     0.100     0.100
 assi 
   (( segid "   B" and resid 17   and name  OD1 ))
   (( segid "   B" and resid 33   and name  N   ))

      2.400     0.600     0.600
 assi 
   (( segid "   B" and resid 17   and name  HD22))
   (( segid "   B" and resid 31   and name  O   ))

      1.900     0.100     0.100
 assi 
   (( segid "   B" and resid 17   and name  ND2 ))
   (( segid "   B" and resid 31   and name  O   ))

      2.400     0.600     0.600