data_EPO # _chem_comp.id EPO _chem_comp.name "(2R,3R)-oxirane-2,3-dicarboxylic acid" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C4 H4 O5" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 1999-07-08 _chem_comp.pdbx_modified_date 2011-06-04 _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 132.072 _chem_comp.one_letter_code ? _chem_comp.three_letter_code EPO _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 1CSB _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB # 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.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 EPO O1 O1 O 0 1 N N N 15.843 14.666 64.315 -2.823 0.689 0.116 O1 EPO 1 EPO C1 C1 C 0 1 N N N 15.532 15.074 63.180 -1.941 -0.137 0.102 C1 EPO 2 EPO C2 C2 C 0 1 N N R 16.210 16.266 62.515 -0.549 0.241 0.535 C2 EPO 3 EPO O2 O2 O 0 1 N N N 16.839 17.491 62.745 0.002 1.456 0.022 O2 EPO 4 EPO C3 C3 C 0 1 N N R 15.299 17.491 62.745 0.550 0.257 -0.530 C3 EPO 5 EPO C4 C4 C 0 1 N N N 16.009 18.802 62.462 1.942 -0.137 -0.109 C4 EPO 6 EPO O3 O3 O 0 1 N N N 15.728 19.793 63.121 2.836 0.675 -0.142 O3 EPO 7 EPO O4 O4 O 0 1 N Y N 14.493 14.394 62.470 -2.204 -1.392 -0.296 O4 EPO 8 EPO H2 H2 H 0 1 N N N 16.704 15.515 61.881 -0.271 -0.055 1.547 H2 EPO 9 EPO HO2 HO2 H 0 1 N N N 14.214 17.454 62.922 0.271 -0.006 -1.551 HO2 EPO 10 EPO O5 O5 O 0 1 N Y N 16.999 18.878 61.433 2.189 -1.391 0.301 O5 EPO 11 EPO H3 H3 H 0 1 N Y N 14.163 13.678 63.000 -3.113 -1.588 -0.561 H3 EPO 12 EPO H4 H4 H 0 1 N Y N 17.342 19.763 61.388 3.097 -1.597 0.561 H4 EPO 13 # 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 EPO O1 C1 DOUB N N 1 EPO C1 C2 SING N N 2 EPO C1 O4 SING N N 3 EPO C2 O2 SING N N 4 EPO C2 C3 SING N N 5 EPO C2 H2 SING N N 6 EPO C3 C4 SING N N 7 EPO C3 HO2 SING N N 8 EPO C3 O2 SING N N 9 EPO C4 O3 DOUB N N 10 EPO C4 O5 SING N N 11 EPO O4 H3 SING N N 12 EPO O5 H4 SING N N 13 # 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 EPO SMILES ACDLabs 12.01 "O=C(O)C1OC1C(=O)O" EPO SMILES_CANONICAL CACTVS 3.370 "OC(=O)[C@@H]1O[C@H]1C(O)=O" EPO SMILES CACTVS 3.370 "OC(=O)[CH]1O[CH]1C(O)=O" EPO SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 "[C@@H]1(C(O1)C(=O)O)C(=O)O" EPO SMILES "OpenEye OEToolkits" 1.7.0 "C1(C(O1)C(=O)O)C(=O)O" EPO InChI InChI 1.03 "InChI=1S/C4H4O5/c5-3(6)1-2(9-1)4(7)8/h1-2H,(H,5,6)(H,7,8)/t1-,2-/m1/s1" EPO InChIKey InChI 1.03 DCEMCPAKSGRHCN-JCYAYHJZSA-N # loop_ _pdbx_chem_comp_identifier.comp_id _pdbx_chem_comp_identifier.type _pdbx_chem_comp_identifier.program _pdbx_chem_comp_identifier.program_version _pdbx_chem_comp_identifier.identifier EPO "SYSTEMATIC NAME" ACDLabs 12.01 "(2R,3R)-oxirane-2,3-dicarboxylic acid" EPO "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.0 "(3R)-oxirane-2,3-dicarboxylic 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 EPO "Create component" 1999-07-08 RCSB EPO "Modify descriptor" 2011-06-04 RCSB #