data_A1H6S # _chem_comp.id A1H6S _chem_comp.name "(2~{S})-2-methyl-2-oxidanyl-butanedioic acid" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C5 H8 O5" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2024-03-26 _chem_comp.pdbx_modified_date 2025-10-17 _chem_comp.pdbx_ambiguous_flag N _chem_comp.pdbx_release_status REL _chem_comp.pdbx_replaced_by ? _chem_comp.pdbx_replaces ? _chem_comp.formula_weight 148.114 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1H6S _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details Corina _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 9ERQ _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBE _chem_comp.pdbx_pcm ? # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.alt_atom_id _chem_comp_atom.type_symbol _chem_comp_atom.charge _chem_comp_atom.pdbx_align _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_leaving_atom_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_atom_flag _chem_comp_atom.pdbx_c_terminal_atom_flag _chem_comp_atom.model_Cartn_x _chem_comp_atom.model_Cartn_y _chem_comp_atom.model_Cartn_z _chem_comp_atom.pdbx_model_Cartn_x_ideal _chem_comp_atom.pdbx_model_Cartn_y_ideal _chem_comp_atom.pdbx_model_Cartn_z_ideal _chem_comp_atom.pdbx_component_atom_id _chem_comp_atom.pdbx_component_comp_id _chem_comp_atom.pdbx_ordinal A1H6S C01 C1 C 0 1 N N N N N N -18.993 19.915 -42.762 -0.269 -0.895 1.449 C01 A1H6S 1 A1H6S C02 C2 C 0 1 N N S N N N -17.953 18.884 -42.379 -0.458 -0.256 0.071 C02 A1H6S 2 A1H6S C03 C3 C 0 1 N N N N N N -18.102 18.864 -40.865 0.609 0.819 -0.143 C03 A1H6S 3 A1H6S C04 C4 C 0 1 N N N N N N -16.904 18.274 -40.129 1.977 0.191 -0.064 C04 A1H6S 4 A1H6S C07 C5 C 0 1 N N N N N N -16.535 19.367 -42.695 -1.826 0.371 -0.007 C07 A1H6S 5 A1H6S O05 O1 O 0 1 N N N N N N -17.161 17.118 -39.698 3.073 0.950 -0.224 O05 A1H6S 6 A1H6S O06 O2 O 0 1 N N N N N N -15.732 18.881 -39.962 2.087 -0.994 0.142 O06 A1H6S 7 A1H6S O08 O3 O 0 1 N N N N N N -16.165 20.497 -42.198 -2.888 -0.375 -0.350 O08 A1H6S 8 A1H6S O09 O4 O 0 1 N N N N N N -15.780 18.654 -43.456 -1.967 1.546 0.238 O09 A1H6S 9 A1H6S O10 O5 O 0 1 N N N N N N -18.240 17.672 -43.001 -0.335 -1.258 -0.940 O10 A1H6S 10 A1H6S H012 H1 H 0 0 N N N N N N -18.762 20.870 -42.268 -0.363 -0.131 2.220 H012 A1H6S 11 A1H6S H013 H2 H 0 0 N N N N N N -18.986 20.055 -43.853 -1.029 -1.661 1.602 H013 A1H6S 12 A1H6S H011 H3 H 0 0 N N N N N N -19.987 19.569 -42.443 0.721 -1.349 1.505 H011 A1H6S 13 A1H6S H032 H4 H 0 0 N N N N N N -18.245 19.898 -40.518 0.474 1.274 -1.124 H032 A1H6S 14 A1H6S H031 H5 H 0 0 N N N N N N -18.991 18.266 -40.613 0.515 1.583 0.628 H031 A1H6S 15 A1H6S H1 H6 H 0 1 N N N N N N -16.399 16.770 -39.250 3.929 0.502 -0.165 H1 A1H6S 16 A1H6S H2 H7 H 0 1 N N N N N N -15.280 20.694 -42.483 -3.745 0.071 -0.387 H2 A1H6S 17 A1H6S H101 H8 H 0 0 N N N N N N -17.485 17.386 -43.502 -0.444 -0.924 -1.840 H101 A1H6S 18 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal A1H6S O09 C07 DOUB N N 1 A1H6S O10 C02 SING N N 2 A1H6S C01 C02 SING N N 3 A1H6S C07 C02 SING N N 4 A1H6S C07 O08 SING N N 5 A1H6S C02 C03 SING N N 6 A1H6S C03 C04 SING N N 7 A1H6S C04 O06 DOUB N N 8 A1H6S C04 O05 SING N N 9 A1H6S C01 H012 SING N N 10 A1H6S C01 H013 SING N N 11 A1H6S C01 H011 SING N N 12 A1H6S C03 H032 SING N N 13 A1H6S C03 H031 SING N N 14 A1H6S O05 H1 SING N N 15 A1H6S O08 H2 SING N N 16 A1H6S O10 H101 SING N N 17 # loop_ _pdbx_chem_comp_descriptor.comp_id _pdbx_chem_comp_descriptor.type _pdbx_chem_comp_descriptor.program _pdbx_chem_comp_descriptor.program_version _pdbx_chem_comp_descriptor.descriptor A1H6S InChI InChI 1.06 "InChI=1S/C5H8O5/c1-5(10,4(8)9)2-3(6)7/h10H,2H2,1H3,(H,6,7)(H,8,9)/t5-/m0/s1" A1H6S InChIKey InChI 1.06 XFTRTWQBIOMVPK-YFKPBYRVSA-N A1H6S SMILES_CANONICAL CACTVS 3.385 "C[C@](O)(CC(O)=O)C(O)=O" A1H6S SMILES CACTVS 3.385 "C[C](O)(CC(O)=O)C(O)=O" A1H6S SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C[C@](CC(=O)O)(C(=O)O)O" A1H6S SMILES "OpenEye OEToolkits" 2.0.7 "CC(CC(=O)O)(C(=O)O)O" # _pdbx_chem_comp_identifier.comp_id A1H6S _pdbx_chem_comp_identifier.type "SYSTEMATIC NAME" _pdbx_chem_comp_identifier.program "OpenEye OEToolkits" _pdbx_chem_comp_identifier.program_version 2.0.7 _pdbx_chem_comp_identifier.identifier "(2~{S})-2-methyl-2-oxidanyl-butanedioic acid" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1H6S "Create component" 2024-03-26 PDBE A1H6S "Initial release" 2025-10-22 RCSB #