#
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
ABU      ABU 'GAMMA-AMINO-BUTANOIC ACID           ' non-polymer        16   7 M
#
data_comp_ABU
#
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
 ABU           N      N    .         0.000
 ABU           CA     C    .         0.000
 ABU           CB     C    .         0.000
 ABU           CG     C    .         0.000
 ABU           CD     C    .         0.000
 ABU           OE1    O    .         0.000
 ABU           OE2    O    .         0.000
 ABU           H      H    .         0.000
 ABU           HN2    H    .         0.000
 ABU           HA1    H    .         0.000
 ABU           HA2    H    .         0.000
 ABU           HB1    H    .         0.000
 ABU           HB2    H    .         0.000
 ABU           HG1    H    .         0.000
 ABU           HG2    H    .         0.000
 ABU           HE2    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
 ABU        N      CA        single
 ABU        N      H         single
 ABU        N      HN2       single
 ABU        CA     CB        single
 ABU        CA     HA1       single
 ABU        CA     HA2       single
 ABU        CB     CG        single
 ABU        CB     HB1       single
 ABU        CB     HB2       single
 ABU        CG     CD        single
 ABU        CG     HG1       single
 ABU        CG     HG2       single
 ABU        CD     OE1       double
 ABU        CD     OE2       single
 ABU        OE2    HE2       single