data_A1EPA # _chem_comp.id A1EPA _chem_comp.name "2',4',5',7'-tetrakis(iodanyl)-3',6'-bis(oxidanyl)spiro[2-benzofuran-3,9'-xanthene]-1-one" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C20 H8 I4 O5" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms Erythrosine _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-04-17 _chem_comp.pdbx_modified_date 2026-04-10 _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 835.892 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EPA _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 9UFX _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _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 A1EPA C11 C1 C 0 1 Y N N N N N 144.638 176.923 154.343 -1.238 0.896 -0.004 C11 A1EPA 1 A1EPA C12 C2 C 0 1 Y N N N N N 144.924 177.428 153.040 -2.452 1.510 0.255 C12 A1EPA 2 A1EPA C13 C3 C 0 1 Y N N N N N 144.125 177.058 151.952 -3.602 0.756 0.378 C13 A1EPA 3 A1EPA O01 O1 O 0 1 N N N N N N 143.761 180.490 155.847 0.006 5.044 0.901 O01 A1EPA 4 A1EPA C02 C4 C 0 1 N N N N N N 144.523 179.599 155.656 0.003 3.984 0.308 C02 A1EPA 5 A1EPA C03 C5 C 0 1 Y N N N N N 146.025 179.738 155.432 -0.000 3.838 -1.148 C03 A1EPA 6 A1EPA C04 C6 C 0 1 Y N N N N N 146.548 178.498 155.332 -0.003 2.463 -1.451 C04 A1EPA 7 A1EPA C05 C7 C 0 1 Y N N N N N 147.945 178.330 155.108 -0.006 2.008 -2.750 C05 A1EPA 8 A1EPA C06 C8 C 0 1 Y N N N N N 148.771 179.442 154.993 -0.006 2.971 -3.755 C06 A1EPA 9 A1EPA C07 C9 C 0 1 Y N N N N N 148.232 180.716 155.096 -0.004 4.322 -3.469 C07 A1EPA 10 A1EPA C08 C10 C 0 1 Y N N N N N 146.870 180.880 155.313 -0.001 4.795 -2.166 C08 A1EPA 11 A1EPA C09 C11 C 0 1 N N R N N N 145.404 177.475 155.559 -0.000 1.741 -0.140 C09 A1EPA 12 A1EPA O10 O2 O 0 1 N N N N N N 144.190 178.230 155.535 0.002 2.770 0.894 O10 A1EPA 13 A1EPA C15 C12 C 0 1 Y N N N N N 143.037 176.189 152.143 -3.544 -0.624 0.243 C15 A1EPA 14 A1EPA O16 O3 O 0 1 N N N N N N 142.214 175.848 151.062 -4.675 -1.369 0.363 O16 A1EPA 15 A1EPA C17 C13 C 0 1 Y N N N N N 142.754 175.692 153.420 -2.331 -1.242 -0.016 C17 A1EPA 16 A1EPA C19 C14 C 0 1 Y N N N N N 143.570 176.070 154.531 -1.174 -0.481 -0.141 C19 A1EPA 17 A1EPA O20 O4 O 0 1 N N N N N N 143.461 175.310 155.748 -0.000 -1.104 -0.402 O20 A1EPA 18 A1EPA C21 C15 C 0 1 Y N N N N N 143.798 176.074 156.920 1.175 -0.481 -0.147 C21 A1EPA 19 A1EPA C22 C16 C 0 1 Y N N N N N 144.884 176.923 156.899 1.239 0.896 -0.009 C22 A1EPA 20 A1EPA C23 C17 C 0 1 Y N N N N N 145.418 177.426 158.122 2.452 1.511 0.250 C23 A1EPA 21 A1EPA C24 C18 C 0 1 Y N N N N N 144.840 177.055 159.343 3.603 0.757 0.372 C24 A1EPA 22 A1EPA C26 C19 C 0 1 Y N N N N N 143.734 176.189 159.363 3.545 -0.623 0.235 C26 A1EPA 23 A1EPA O27 O5 O 0 1 N N N N N N 143.132 175.850 160.584 4.676 -1.368 0.354 O27 A1EPA 24 A1EPA C28 C20 C 0 1 Y N N N N N 143.211 175.697 158.167 2.332 -1.241 -0.024 C28 A1EPA 25 A1EPA I14 I1 I 0 1 N N N N N N 144.573 177.779 150.018 -5.434 1.694 0.769 I14 A1EPA 26 A1EPA I18 I2 I 0 1 N N N N N N 141.067 174.459 153.720 -2.240 -3.325 -0.220 I18 A1EPA 27 A1EPA I25 I3 I 0 1 N N N N N N 145.654 177.772 161.156 5.435 1.695 0.762 I25 A1EPA 28 A1EPA I29 I4 I 0 1 N N N N N N 141.492 174.467 158.193 2.242 -3.324 -0.231 I29 A1EPA 29 A1EPA H1 H1 H 0 1 N N N N N N 145.759 178.097 152.893 -2.499 2.584 0.362 H1 A1EPA 30 A1EPA H2 H2 H 0 1 N N N N N N 148.363 177.337 155.027 -0.007 0.952 -2.978 H2 A1EPA 31 A1EPA H3 H3 H 0 1 N N N N N N 149.830 179.314 154.824 -0.008 2.653 -4.787 H3 A1EPA 32 A1EPA H4 H4 H 0 1 N N N N N N 148.872 181.581 155.007 -0.004 5.030 -4.285 H4 A1EPA 33 A1EPA H5 H5 H 0 1 N N N N N N 146.451 181.872 155.392 0.000 5.853 -1.948 H5 A1EPA 34 A1EPA H6 H6 H 0 1 N N N N N N 141.531 175.257 151.357 -5.147 -1.505 -0.470 H6 A1EPA 35 A1EPA H7 H7 H 0 1 N N N N N N 146.268 178.093 158.107 2.499 2.584 0.357 H7 A1EPA 36 A1EPA H8 H8 H 0 1 N N N N N N 143.606 176.263 161.297 4.859 -1.663 1.257 H8 A1EPA 37 # 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 A1EPA I14 C13 SING N N 1 A1EPA O16 C15 SING N N 2 A1EPA C13 C15 DOUB Y N 3 A1EPA C13 C12 SING Y N 4 A1EPA C15 C17 SING Y N 5 A1EPA C12 C11 DOUB Y N 6 A1EPA C17 I18 SING N N 7 A1EPA C17 C19 DOUB Y N 8 A1EPA C11 C19 SING Y N 9 A1EPA C11 C09 SING N N 10 A1EPA C19 O20 SING N N 11 A1EPA C06 C07 DOUB Y N 12 A1EPA C06 C05 SING Y N 13 A1EPA C07 C08 SING Y N 14 A1EPA C05 C04 DOUB Y N 15 A1EPA C08 C03 DOUB Y N 16 A1EPA C04 C03 SING Y N 17 A1EPA C04 C09 SING N N 18 A1EPA C03 C02 SING N N 19 A1EPA O10 C09 SING N N 20 A1EPA O10 C02 SING N N 21 A1EPA C09 C22 SING N N 22 A1EPA C02 O01 DOUB N N 23 A1EPA O20 C21 SING N N 24 A1EPA C22 C21 DOUB Y N 25 A1EPA C22 C23 SING Y N 26 A1EPA C21 C28 SING Y N 27 A1EPA C23 C24 DOUB Y N 28 A1EPA C28 I29 SING N N 29 A1EPA C28 C26 DOUB Y N 30 A1EPA C24 C26 SING Y N 31 A1EPA C24 I25 SING N N 32 A1EPA C26 O27 SING N N 33 A1EPA C12 H1 SING N N 34 A1EPA C05 H2 SING N N 35 A1EPA C06 H3 SING N N 36 A1EPA C07 H4 SING N N 37 A1EPA C08 H5 SING N N 38 A1EPA O16 H6 SING N N 39 A1EPA C23 H7 SING N N 40 A1EPA O27 H8 SING N N 41 # 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 A1EPA InChI InChI 1.06 "InChI=1S/C20H8I4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H" A1EPA InChIKey InChI 1.06 OALHHIHQOFIMEF-UHFFFAOYSA-N A1EPA SMILES_CANONICAL CACTVS 3.385 "Oc1c(I)cc2c(Oc3c(I)c(O)c(I)cc3[C@]24OC(=O)c5ccccc45)c1I" A1EPA SMILES CACTVS 3.385 "Oc1c(I)cc2c(Oc3c(I)c(O)c(I)cc3[C]24OC(=O)c5ccccc45)c1I" A1EPA SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1ccc2c(c1)C(=O)OC23c4cc(c(c(c4Oc5c3cc(c(c5I)O)I)I)O)I" A1EPA SMILES "OpenEye OEToolkits" 2.0.7 "c1ccc2c(c1)C(=O)OC23c4cc(c(c(c4Oc5c3cc(c(c5I)O)I)I)O)I" # _pdbx_chem_comp_identifier.comp_id A1EPA _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',4',5',7'-tetrakis(iodanyl)-3',6'-bis(oxidanyl)spiro[2-benzofuran-3,9'-xanthene]-1-one" # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1EPA _pdbx_chem_comp_synonyms.name Erythrosine _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EPA "Create component" 2025-04-17 PDBC A1EPA "Initial release" 2026-04-15 RCSB #