data_A1FBS # _chem_comp.id A1FBS _chem_comp.name "(2~{R})-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfo-propanoic acid" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C11 H15 N2 O10 P S" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-07-01 _chem_comp.pdbx_modified_date 2026-08-21 _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 398.283 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1FBS _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 28EH _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 A1FBS C13 C1 C 0 1 N N N N N N 22.995 2.364 3.633 -0.654 0.160 -0.539 C13 A1FBS 1 A1FBS C15 C2 C 0 1 N N R N N N 20.995 1.066 3.031 -2.785 -0.766 -1.098 C15 A1FBS 2 A1FBS C21 C3 C 0 1 N N N N N N 20.602 1.034 1.545 -3.474 -0.406 -2.389 C21 A1FBS 3 A1FBS C24 C4 C 0 1 Y N N N N N 25.234 1.257 3.074 -0.324 2.550 0.139 C24 A1FBS 4 A1FBS C01 C5 C 0 1 N N N N N N 27.449 0.135 2.480 -0.027 4.942 0.813 C01 A1FBS 5 A1FBS C02 C6 C 0 1 Y N N N N N 26.628 1.359 2.916 0.531 3.571 0.530 C02 A1FBS 6 A1FBS C04 C7 C 0 1 Y N N N N N 26.633 3.613 3.504 2.366 2.177 0.423 C04 A1FBS 7 A1FBS C05 C8 C 0 1 Y N N N N N 25.250 3.611 3.675 1.594 1.104 0.029 C05 A1FBS 8 A1FBS C06 C9 C 0 1 N N N N N N 24.561 4.918 4.113 2.227 -0.238 -0.235 C06 A1FBS 9 A1FBS C12 C10 C 0 1 Y N N N N N 24.528 2.419 3.469 0.213 1.279 -0.121 C12 A1FBS 10 A1FBS C16 C11 C 0 1 N N N N N N 20.117 2.069 3.786 -3.835 -1.037 -0.019 C16 A1FBS 11 A1FBS N03 N1 N 0 1 Y N N N N N 27.269 2.501 3.137 1.824 3.356 0.657 N03 A1FBS 12 A1FBS N14 N2 N 0 1 N N N N N N 22.416 1.395 3.072 -1.926 0.343 -0.677 N14 A1FBS 13 A1FBS O07 O1 O 0 1 N N N N N N 24.240 4.797 5.484 3.636 -0.152 -0.011 O07 A1FBS 14 A1FBS O09 O2 O 0 1 N N N N N N 23.441 5.937 7.714 4.655 -1.842 -1.749 O09 A1FBS 15 A1FBS O10 O3 O 0 1 N N N N N N 21.769 5.141 6.226 6.116 -0.982 0.261 O10 A1FBS 16 A1FBS O11 O4 O 0 1 N N N N N N 23.161 7.139 5.570 4.161 -2.537 0.627 O11 A1FBS 17 A1FBS O18 O5 O 0 1 N N N N N N 21.431 2.483 6.243 -4.143 -1.713 2.518 O18 A1FBS 18 A1FBS O19 O6 O 0 1 N N N N N N 20.075 0.421 6.044 -2.364 -2.733 1.423 O19 A1FBS 19 A1FBS O20 O7 O 0 1 N N N N N N 19.098 2.697 6.215 -2.319 -0.345 2.066 O20 A1FBS 20 A1FBS O22 O8 O 0 1 N N N N N N 21.514 0.945 0.650 -3.268 0.668 -2.905 O22 A1FBS 21 A1FBS O23 O9 O 0 1 N N N N N N 19.373 1.091 1.233 -4.316 -1.277 -2.967 O23 A1FBS 22 A1FBS O25 O10 O 0 1 N N N N N N 24.578 0.019 2.831 -1.657 2.775 0.014 O25 A1FBS 23 A1FBS P08 P1 P 0 1 N N N N N N 23.132 5.776 6.240 4.632 -1.403 -0.200 P08 A1FBS 24 A1FBS S17 S1 S 0 1 N N N N N N 20.202 1.870 5.605 -3.006 -1.470 1.536 S17 A1FBS 25 A1FBS H1 H1 H 0 1 N N N N N N 22.451 3.110 4.194 -0.224 -0.812 -0.735 H1 A1FBS 26 A1FBS H2 H2 H 0 1 N N N N N N 20.834 0.065 3.458 -2.178 -1.659 -1.247 H2 A1FBS 27 A1FBS H3 H3 H 0 1 N N N N N N 28.512 0.411 2.413 -0.302 5.012 1.866 H3 A1FBS 28 A1FBS H4 H4 H 0 1 N N N N N N 27.325 -0.671 3.218 0.726 5.696 0.583 H4 A1FBS 29 A1FBS H5 H5 H 0 1 N N N N N N 27.098 -0.211 1.497 -0.910 5.110 0.196 H5 A1FBS 30 A1FBS H6 H6 H 0 1 N N N N N N 27.193 4.521 3.670 3.432 2.049 0.541 H6 A1FBS 31 A1FBS H7 H7 H 0 1 N N N N N N 25.241 5.769 3.961 1.797 -0.981 0.437 H7 A1FBS 32 A1FBS H8 H8 H 0 1 N N N N N N 23.644 5.073 3.526 2.040 -0.531 -1.268 H8 A1FBS 33 A1FBS H9 H9 H 0 1 N N N N N N 20.447 3.086 3.529 -4.442 -0.144 0.130 H9 A1FBS 34 A1FBS H10 H10 H 0 1 N N N N N N 19.073 1.931 3.467 -4.474 -1.862 -0.332 H10 A1FBS 35 A1FBS H11 H11 H 0 1 N N N N N N 23.588 6.855 7.909 4.954 -1.146 -2.350 H11 A1FBS 36 A1FBS H12 H12 H 0 1 N N N N N N 21.154 5.719 5.790 6.770 -1.689 0.175 H12 A1FBS 37 A1FBS H13 H13 H 0 1 N N N N N N 19.284 1.057 0.288 -4.734 -1.002 -3.794 H13 A1FBS 38 A1FBS H14 H14 H 0 1 N N N N N N 23.645 0.119 2.982 -2.160 2.618 0.826 H14 A1FBS 39 A1FBS H15 H15 H 0 1 N N N N N N 21.169 3.187 6.824 -3.850 -1.957 3.406 H15 A1FBS 40 # 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 A1FBS O22 C21 DOUB N N 1 A1FBS O23 C21 SING N N 2 A1FBS C21 C15 SING N N 3 A1FBS C01 C02 SING N N 4 A1FBS O25 C24 SING N N 5 A1FBS C02 C24 SING Y N 6 A1FBS C02 N03 DOUB Y N 7 A1FBS C15 N14 SING N N 8 A1FBS C15 C16 SING N N 9 A1FBS N14 C13 DOUB N N 10 A1FBS C24 C12 DOUB Y N 11 A1FBS N03 C04 SING Y N 12 A1FBS C12 C13 SING N N 13 A1FBS C12 C05 SING Y N 14 A1FBS C04 C05 DOUB Y N 15 A1FBS C05 C06 SING N N 16 A1FBS C16 S17 SING N N 17 A1FBS C06 O07 SING N N 18 A1FBS O07 P08 SING N N 19 A1FBS O11 P08 DOUB N N 20 A1FBS S17 O19 DOUB N N 21 A1FBS S17 O20 DOUB N N 22 A1FBS S17 O18 SING N N 23 A1FBS O10 P08 SING N N 24 A1FBS P08 O09 SING N N 25 A1FBS C13 H1 SING N N 26 A1FBS C15 H2 SING N N 27 A1FBS C01 H3 SING N N 28 A1FBS C01 H4 SING N N 29 A1FBS C01 H5 SING N N 30 A1FBS C04 H6 SING N N 31 A1FBS C06 H7 SING N N 32 A1FBS C06 H8 SING N N 33 A1FBS C16 H9 SING N N 34 A1FBS C16 H10 SING N N 35 A1FBS O09 H11 SING N N 36 A1FBS O10 H12 SING N N 37 A1FBS O23 H13 SING N N 38 A1FBS O25 H14 SING N N 39 A1FBS O18 H15 SING N N 40 # 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 A1FBS InChI InChI 1.06 "InChI=1S/C11H15N2O10PS/c1-6-10(14)8(7(2-12-6)4-23-24(17,18)19)3-13-9(11(15)16)5-25(20,21)22/h2-3,9,14H,4-5H2,1H3,(H,15,16)(H2,17,18,19)(H,20,21,22)/b13-3+/t9-/m0/s1" A1FBS InChIKey InChI 1.06 ZKFNKQWIZOZZCJ-BIMOUXMDSA-N A1FBS SMILES_CANONICAL CACTVS 3.385 "Cc1ncc(CO[P](O)(O)=O)c(C=N[C@@H](C[S](O)(=O)=O)C(O)=O)c1O" A1FBS SMILES CACTVS 3.385 "Cc1ncc(CO[P](O)(O)=O)c(C=N[CH](C[S](O)(=O)=O)C(O)=O)c1O" A1FBS SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "Cc1c(c(c(cn1)COP(=O)(O)O)/C=N/[C@@H](CS(=O)(=O)O)C(=O)O)O" A1FBS SMILES "OpenEye OEToolkits" 2.0.7 "Cc1c(c(c(cn1)COP(=O)(O)O)C=NC(CS(=O)(=O)O)C(=O)O)O" # _pdbx_chem_comp_identifier.comp_id A1FBS _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~{R})-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfo-propanoic 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 A1FBS "Create component" 2026-07-01 PDBC A1FBS "Initial release" 2026-08-26 RCSB #