data_COU # _chem_comp.id COU _chem_comp.name COUMARIN _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C9 H6 O2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms 2H-1-BENZOPYRAN-2-ONE _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2005-03-09 _chem_comp.pdbx_modified_date 2021-03-01 _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 146.143 _chem_comp.one_letter_code ? _chem_comp.three_letter_code COU _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details ? _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 1Z10 _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 COU C1 C1 C 0 1 Y N N 65.304 77.585 99.518 -2.044 0.229 -0.001 C1 COU 1 COU C2 C2 C 0 1 Y N N 65.173 76.145 99.401 -1.878 -1.173 0.004 C2 COU 2 COU C3 C3 C 0 1 Y N N 66.144 75.301 99.828 -0.630 -1.705 -0.001 C3 COU 3 COU C4 C4 C 0 1 Y N N 67.387 75.799 100.432 0.513 -0.787 -0.001 C4 COU 4 COU C5 C5 C 0 1 Y N N 68.452 74.974 100.908 1.826 -1.270 -0.001 C5 COU 5 COU C6 C6 C 0 1 Y N N 69.606 75.534 101.475 2.871 -0.390 0.000 C6 COU 6 COU C7 C7 C 0 1 Y N N 69.726 76.959 101.582 2.640 0.978 0.001 C7 COU 7 COU C8 C8 C 0 1 Y N N 68.683 77.799 101.114 1.354 1.474 0.001 C8 COU 8 COU C9 C9 C 0 1 Y N N 67.519 77.211 100.544 0.276 0.598 0.000 C9 COU 9 COU O1 O1 O 0 1 N N N 64.473 78.402 99.162 -3.169 0.694 -0.001 O1 COU 10 COU O2 O2 O 0 1 Y N N 66.486 78.077 100.090 -0.992 1.063 -0.001 O2 COU 11 COU H2 H2 H 0 1 N N N 64.283 75.663 98.961 -2.743 -1.820 0.004 H2 COU 12 COU H3 H3 H 0 1 N N N 65.926 74.228 99.686 -0.483 -2.775 -0.002 H3 COU 13 COU H5 H5 H 0 1 N N N 68.381 73.875 100.835 2.012 -2.334 -0.001 H5 COU 14 COU H6 H6 H 0 1 N N N 70.406 74.864 101.831 3.885 -0.763 0.000 H6 COU 15 COU H7 H7 H 0 1 N N N 70.627 77.412 102.027 3.477 1.661 0.002 H7 COU 16 COU H8 H8 H 0 1 N N N 68.775 78.895 101.192 1.185 2.541 0.001 H8 COU 17 # # 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 COU C1 C2 SING Y N 1 COU C1 O1 DOUB N N 2 COU C1 O2 SING Y N 3 COU C2 C3 DOUB Y N 4 COU C2 H2 SING N N 5 COU C3 C4 SING Y N 6 COU C3 H3 SING N N 7 COU C4 C5 DOUB Y N 8 COU C4 C9 SING Y N 9 COU C5 C6 SING Y N 10 COU C5 H5 SING N N 11 COU C6 C7 DOUB Y N 12 COU C6 H6 SING N N 13 COU C7 C8 SING Y N 14 COU C7 H7 SING N N 15 COU C8 C9 DOUB Y N 16 COU C8 H8 SING N N 17 COU C9 O2 SING Y N 18 # # 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 COU SMILES ACDLabs 10.04 O=C2Oc1ccccc1C=C2 COU SMILES_CANONICAL CACTVS 3.341 O=C1Oc2ccccc2C=C1 COU SMILES CACTVS 3.341 O=C1Oc2ccccc2C=C1 COU SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "c1ccc2c(c1)C=CC(=O)O2" COU SMILES "OpenEye OEToolkits" 1.5.0 "c1ccc2c(c1)C=CC(=O)O2" COU InChI InChI 1.03 "InChI=1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H" COU InChIKey InChI 1.03 ZYGHJZDHTFUPRJ-UHFFFAOYSA-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 COU "SYSTEMATIC NAME" ACDLabs 10.04 2H-chromen-2-one COU "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 chromen-2-one # # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site COU "Create component" 2005-03-09 RCSB COU "Modify descriptor" 2011-06-04 RCSB COU "Modify synonyms" 2021-03-01 PDBE # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id COU _pdbx_chem_comp_synonyms.name 2H-1-BENZOPYRAN-2-ONE _pdbx_chem_comp_synonyms.provenance ? _pdbx_chem_comp_synonyms.type ? ##