data_A1ITX # _chem_comp.id A1ITX _chem_comp.name "4-ethoxynaphthalene-1-sulfonic acid" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C12 H12 O4 S" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2024-11-12 _chem_comp.pdbx_modified_date 2025-11-14 _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 252.286 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1ITX _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 9HD3 _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 A1ITX C1 C1 C 0 1 N N N N N N 13.744 15.877 9.757 3.933 1.502 -0.016 C1 A1ITX 1 A1ITX C2 C2 C 0 1 Y N N N N N 15.734 14.579 10.040 1.867 0.327 0.005 C2 A1ITX 2 A1ITX C3 C3 C 0 1 Y N N N N N 16.482 15.676 10.368 1.237 1.540 0.012 C3 A1ITX 3 A1ITX C4 C4 C 0 1 Y N N N N N 17.841 15.546 10.589 -0.153 1.624 0.020 C4 A1ITX 4 A1ITX C5 C5 C 0 1 Y N N N N N 18.459 14.331 10.481 -0.924 0.502 0.023 C5 A1ITX 5 A1ITX C6 C6 C 0 1 Y N N N N N 17.727 13.161 10.126 -0.315 -0.764 0.017 C6 A1ITX 6 A1ITX C11 C7 C 0 1 Y N N N N N 16.327 13.292 9.914 1.099 -0.855 0.008 C11 A1ITX 7 A1ITX O2 O1 O 0 1 N N N N N N 20.670 13.761 9.638 -3.060 0.818 1.393 O2 A1ITX 8 A1ITX S S1 S 0 1 N N N N N N 20.035 14.268 10.815 -2.681 0.637 0.036 S A1ITX 9 A1ITX O1 O2 O 0 1 N N N N N N 20.167 13.403 11.946 -3.039 1.929 -0.686 O1 A1ITX 10 A1ITX O3 O3 O 0 1 N N N N N N 20.430 15.503 11.085 -3.171 -0.423 -0.773 O3 A1ITX 11 A1ITX C10 C8 C 0 1 Y N N N N N 15.585 12.133 9.582 1.708 -2.120 0.001 C10 A1ITX 12 A1ITX C9 C9 C 0 1 Y N N N N N 16.195 10.922 9.456 0.935 -3.240 0.003 C9 A1ITX 13 A1ITX C8 C10 C 0 1 Y N N N N N 17.558 10.797 9.646 -0.456 -3.152 0.012 C8 A1ITX 14 A1ITX C7 C11 C 0 1 Y N N N N N 18.314 11.882 9.974 -1.081 -1.943 0.019 C7 A1ITX 15 A1ITX O O4 O 0 1 N N N N N N 14.393 14.607 9.796 3.223 0.262 -0.009 O A1ITX 16 A1ITX C C12 C 0 1 N N N N N N 12.963 15.993 10.966 5.438 1.229 -0.032 C A1ITX 17 A1ITX H1 H1 H 0 1 N N N N N N 14.493 16.682 9.713 3.658 2.072 -0.904 H1 A1ITX 18 A1ITX H2 H2 H 0 1 N N N N N N 13.087 15.938 8.877 3.676 2.073 0.876 H2 A1ITX 19 A1ITX H3 H3 H 0 1 N N N N N N 16.011 16.644 10.454 1.825 2.446 0.010 H3 A1ITX 20 A1ITX H4 H4 H 0 1 N N N N N N 18.423 16.417 10.851 -0.626 2.595 0.025 H4 A1ITX 21 A1ITX H5 H5 H 0 1 N N N N N N 14.519 12.210 9.426 2.785 -2.204 -0.006 H5 A1ITX 22 A1ITX H6 H6 H 0 1 N N N N N N 15.608 10.051 9.205 1.406 -4.212 -0.003 H6 A1ITX 23 A1ITX H7 H7 H 0 1 N N N N N N 18.028 9.831 9.534 -1.047 -4.056 0.013 H7 A1ITX 24 A1ITX H8 H8 H 0 1 N N N N N N 19.378 11.764 10.120 -2.159 -1.889 0.026 H8 A1ITX 25 A1ITX H9 H9 H 0 1 N N N N N N 12.444 16.963 10.976 5.713 0.658 0.855 H9 A1ITX 26 A1ITX H10 H10 H 0 1 N N N N N N 12.223 15.180 11.003 5.694 0.658 -0.924 H10 A1ITX 27 A1ITX H11 H11 H 0 1 N N N N N N 13.628 15.924 11.840 5.979 2.175 -0.038 H11 A1ITX 28 A1ITX H12 H12 H 0 1 N N N N N N 20.518 13.893 12.681 -3.989 2.101 -0.737 H12 A1ITX 29 # 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 A1ITX C9 C10 DOUB Y N 1 A1ITX C9 C8 SING Y N 2 A1ITX C10 C11 SING Y N 3 A1ITX O2 S DOUB N N 4 A1ITX C8 C7 DOUB Y N 5 A1ITX C1 O SING N N 6 A1ITX C1 C SING N N 7 A1ITX O C2 SING N N 8 A1ITX C11 C2 DOUB Y N 9 A1ITX C11 C6 SING Y N 10 A1ITX C7 C6 SING Y N 11 A1ITX C2 C3 SING Y N 12 A1ITX C6 C5 DOUB Y N 13 A1ITX C3 C4 DOUB Y N 14 A1ITX C5 C4 SING Y N 15 A1ITX C5 S SING N N 16 A1ITX S O3 DOUB N N 17 A1ITX S O1 SING N N 18 A1ITX C1 H1 SING N N 19 A1ITX C1 H2 SING N N 20 A1ITX C3 H3 SING N N 21 A1ITX C4 H4 SING N N 22 A1ITX C10 H5 SING N N 23 A1ITX C9 H6 SING N N 24 A1ITX C8 H7 SING N N 25 A1ITX C7 H8 SING N N 26 A1ITX C H9 SING N N 27 A1ITX C H10 SING N N 28 A1ITX C H11 SING N N 29 A1ITX O1 H12 SING N N 30 # 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 A1ITX InChI InChI 1.06 "InChI=1S/C12H12O4S/c1-2-16-11-7-8-12(17(13,14)15)10-6-4-3-5-9(10)11/h3-8H,2H2,1H3,(H,13,14,15)" A1ITX InChIKey InChI 1.06 PMPLWDDMMDSMCW-UHFFFAOYSA-N A1ITX SMILES_CANONICAL CACTVS 3.385 "CCOc1ccc(c2ccccc12)[S](O)(=O)=O" A1ITX SMILES CACTVS 3.385 "CCOc1ccc(c2ccccc12)[S](O)(=O)=O" A1ITX SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CCOc1ccc(c2c1cccc2)S(=O)(=O)O" A1ITX SMILES "OpenEye OEToolkits" 2.0.7 "CCOc1ccc(c2c1cccc2)S(=O)(=O)O" # _pdbx_chem_comp_identifier.comp_id A1ITX _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 "4-ethoxynaphthalene-1-sulfonic 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 A1ITX "Create component" 2024-11-12 PDBE A1ITX "Initial release" 2025-11-19 RCSB #