# 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