data_A1ENK # _chem_comp.id A1ENK _chem_comp.name "methyl 3-chloranyl-6-oxidanylidene-1~{H}-pyridazine-5-carboxylate" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C6 H5 Cl N2 O3" _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 188.568 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1ENK _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 9MAA _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 A1ENK N1 N1 N 0 1 N N N N N N -19.800 36.781 -41.355 1.931 -1.224 0.001 N1 A1ENK 1 A1ENK C4 C1 C 0 1 N N N N N N -21.253 36.232 -39.595 0.707 0.785 -0.001 C4 A1ENK 2 A1ENK C5 C2 C 0 1 N N N N N N -20.386 35.895 -40.617 1.920 0.082 -0.000 C5 A1ENK 3 A1ENK C6 C3 C 0 1 N N N N N N -20.873 38.561 -40.150 -0.364 -1.371 -0.001 C6 A1ENK 4 A1ENK C1 C4 C 0 1 N N N N N N -23.933 39.486 -37.310 -4.178 0.695 0.000 C1 A1ENK 5 A1ENK C2 C5 C 0 1 N N N N N N -22.469 37.904 -38.226 -1.790 0.712 -0.000 C2 A1ENK 6 A1ENK C3 C6 C 0 1 N N N N N N -21.533 37.571 -39.331 -0.476 0.048 -0.001 C3 A1ENK 7 A1ENK N2 N2 N 0 1 N N N N N N -20.050 38.097 -41.113 0.861 -1.931 0.001 N2 A1ENK 8 A1ENK O1 O1 O 0 1 N N N N N N -22.811 39.187 -38.174 -2.918 -0.026 -0.000 O1 A1ENK 9 A1ENK O2 O2 O 0 1 N N N N N N -22.901 37.075 -37.472 -1.858 1.926 0.000 O2 A1ENK 10 A1ENK O3 O3 O 0 1 N N N N N N -21.013 39.781 -40.020 -1.363 -2.070 -0.000 O3 A1ENK 11 A1ENK CL1 CL1 CL 0 0 N N N N N N -20.027 34.231 -40.942 3.420 0.956 -0.000 CL1 A1ENK 12 A1ENK H1 H1 H 0 1 N N N N N N -21.714 35.457 -39.001 0.690 1.865 -0.000 H1 A1ENK 13 A1ENK H2 H2 H 0 1 N N N N N N -24.138 40.567 -37.334 -4.238 1.321 0.891 H2 A1ENK 14 A1ENK H3 H3 H 0 1 N N N N N N -24.820 38.937 -37.658 -4.238 1.322 -0.889 H3 A1ENK 15 A1ENK H4 H4 H 0 1 N N N N N N -23.694 39.181 -36.280 -5.004 -0.016 0.000 H4 A1ENK 16 A1ENK H5 H5 H 0 1 N N N N N N -19.589 38.770 -41.692 0.936 -2.898 0.001 H5 A1ENK 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 A1ENK N1 N2 SING N N 1 A1ENK N1 C5 DOUB N N 2 A1ENK N2 C6 SING N N 3 A1ENK CL1 C5 SING N N 4 A1ENK C5 C4 SING N N 5 A1ENK C6 O3 DOUB N N 6 A1ENK C6 C3 SING N N 7 A1ENK C4 C3 DOUB N N 8 A1ENK C3 C2 SING N N 9 A1ENK C2 O1 SING N N 10 A1ENK C2 O2 DOUB N N 11 A1ENK O1 C1 SING N N 12 A1ENK C4 H1 SING N N 13 A1ENK C1 H2 SING N N 14 A1ENK C1 H3 SING N N 15 A1ENK C1 H4 SING N N 16 A1ENK N2 H5 SING N N 17 # 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 A1ENK InChI InChI 1.06 "InChI=1S/C6H5ClN2O3/c1-12-6(11)3-2-4(7)8-9-5(3)10/h2H,1H3,(H,9,10)" A1ENK InChIKey InChI 1.06 WHXBMYDYRJIIMD-UHFFFAOYSA-N A1ENK SMILES_CANONICAL CACTVS 3.385 "COC(=O)C1=CC(=NNC1=O)Cl" A1ENK SMILES CACTVS 3.385 "COC(=O)C1=CC(=NNC1=O)Cl" A1ENK SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "COC(=O)C1=CC(=NNC1=O)Cl" A1ENK SMILES "OpenEye OEToolkits" 2.0.7 "COC(=O)C1=CC(=NNC1=O)Cl" # _pdbx_chem_comp_identifier.comp_id A1ENK _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 "methyl 3-chloranyl-6-oxidanylidene-1~{H}-pyridazine-5-carboxylate" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1ENK "Create component" 2025-03-18 PDBC A1ENK "Initial release" 2026-03-18 RCSB #