#
data_comp_list
loop_
_chem_comp.id
_chem_comp.three_letter_code
_chem_comp.name
_chem_comp.group
_chem_comp.number_atoms_all
_chem_comp.number_atoms_nh
_chem_comp.desc_level
HAD      HAD '(CARBOXYHYDROXYAMINO)ETHANOIC ACID  ' non-polymer        14   9 M
#
data_comp_HAD
#
loop_
_chem_comp_atom.comp_id
_chem_comp_atom.atom_id
_chem_comp_atom.type_symbol
_chem_comp_atom.type_energy
_chem_comp_atom.partial_charge
 HAD           C1     C    .         0.000
 HAD           C2     C    .         0.000
 HAD           O1     O    .         0.000
 HAD           O2     O    .         0.000
 HAD           N      N    .         0.000
 HAD           OH     O    .         0.000
 HAD           C      C    .         0.000
 HAD           O      O    .         0.000
 HAD           OXT    O    .         0.000
 HAD           H11    H    .         0.000
 HAD           H12    H    .         0.000
 HAD           HO2    H    .         0.000
 HAD           HO     H    .         0.000
 HAD           HXT    H    .         0.000
loop_
_chem_comp_bond.comp_id
_chem_comp_bond.atom_id_1
_chem_comp_bond.atom_id_2
_chem_comp_bond.type
 HAD        C1     C2        single
 HAD        C1     N         single
 HAD        C1     H11       single
 HAD        C1     H12       single
 HAD        C2     O1        double
 HAD        C2     O2        single
 HAD        O2     HO2       single
 HAD        N      C         single
 HAD        N      OH        single
 HAD        OH     HO        single
 HAD        C      O         double
 HAD        C      OXT       single
 HAD        OXT    HXT       single