data_A1END # _chem_comp.id A1END _chem_comp.name "5-fluoranyl-4-sulfanylidene-1~{H}-pyrimidin-2-one" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C4 H3 F N2 O S" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-03-18 _chem_comp.pdbx_modified_date 2026-03-13 _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 A1END _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 9M9C _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 A1END N1 N1 N 0 1 N N N N N N -19.183 31.259 -39.877 1.798 0.955 0.005 N1 A1END 1 A1END C4 C1 C 0 1 N N N N N N -17.457 33.351 -39.629 -0.563 -0.393 0.003 C4 A1END 2 A1END C1 C2 C 0 1 N N N N N N -17.036 32.154 -40.257 -0.555 1.023 -0.001 C1 A1END 3 A1END C2 C3 C 0 1 N N N N N N -17.925 31.128 -40.383 0.628 1.673 0.005 C2 A1END 4 A1END C3 C4 C 0 1 N N N N N N -19.625 32.401 -39.263 1.774 -0.391 -0.001 C3 A1END 5 A1END F1 F1 F 0 1 N N N N N N -15.777 32.021 -40.712 -1.717 1.713 -0.006 F1 A1END 6 A1END N2 N2 N 0 1 N N N N N N -18.731 33.434 -39.136 0.608 -1.062 -0.002 N2 A1END 7 A1END O1 O1 O 0 1 N N N N N N -20.768 32.498 -38.841 2.821 -1.009 -0.005 O1 A1END 8 A1END S1 S1 S 0 1 N N N N N N -16.442 34.689 -39.452 -2.046 -1.249 0.002 S1 A1END 9 A1END H2 H1 H 0 1 N N N N N N -19.813 30.486 -39.957 2.649 1.421 0.005 H2 A1END 10 A1END H1 H2 H 0 1 N N N N N N -17.633 30.216 -40.882 0.654 2.753 0.010 H1 A1END 11 A1END H3 H3 H 0 1 N N N N N N -19.018 34.271 -38.670 0.609 -2.032 0.001 H3 A1END 12 # 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 A1END F1 C1 SING N N 1 A1END C2 C1 DOUB N N 2 A1END C2 N1 SING N N 3 A1END C1 C4 SING N N 4 A1END N1 C3 SING N N 5 A1END C4 S1 DOUB N N 6 A1END C4 N2 SING N N 7 A1END C3 N2 SING N N 8 A1END C3 O1 DOUB N N 9 A1END N1 H2 SING N N 10 A1END C2 H1 SING N N 11 A1END N2 H3 SING N N 12 # 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 A1END InChI InChI 1.06 "InChI=1S/C4H3FN2OS/c5-2-1-6-4(8)7-3(2)9/h1H,(H2,6,7,8,9)" A1END InChIKey InChI 1.06 SOEINGHMICSQAA-UHFFFAOYSA-N A1END SMILES_CANONICAL CACTVS 3.385 "FC1=CNC(=O)NC1=S" A1END SMILES CACTVS 3.385 "FC1=CNC(=O)NC1=S" A1END SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C1=C(C(=S)NC(=O)N1)F" A1END SMILES "OpenEye OEToolkits" 2.0.7 "C1=C(C(=S)NC(=O)N1)F" # _pdbx_chem_comp_identifier.comp_id A1END _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 "5-fluoranyl-4-sulfanylidene-1~{H}-pyrimidin-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 A1END "Create component" 2025-03-18 PDBC A1END "Initial release" 2026-03-18 RCSB #