# 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 OXS OXS '2-OXALOSUCCINIC ACID ' non-polymer 19 13 M # data_comp_OXS # 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 OXS C1 C . 0.000 OXS C2 C . 0.000 OXS C3 C . 0.000 OXS C4 C . 0.000 OXS C5 C . 0.000 OXS C6 C . 0.000 OXS O1 O . 0.000 OXS O2 O . 0.000 OXS O3 O . 0.000 OXS O4 O . 0.000 OXS O5 O . 0.000 OXS O6 O . 0.000 OXS O7 O . 0.000 OXS H2 H . 0.000 OXS H31 H . 0.000 OXS H32 H . 0.000 OXS HO2 H . 0.000 OXS HO4 H . 0.000 OXS HO7 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 OXS C1 C2 single OXS C1 O1 double OXS C1 O2 single OXS C2 C3 single OXS C2 C5 single OXS C2 H2 single OXS C3 C4 single OXS C3 H31 single OXS C3 H32 single OXS C4 O3 double OXS C4 O4 single OXS C5 C6 single OXS C5 O5 double OXS C6 O6 double OXS C6 O7 single OXS O2 HO2 single OXS O4 HO4 single OXS O7 HO7 single