data_A1C4C # _chem_comp.id A1C4C _chem_comp.name "5-[4-(2-aminoethyl)anilino]-4-chloro-2-methylpyridazin-3(2H)-one" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C13 H15 Cl N4 O" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-01-08 _chem_comp.pdbx_modified_date 2026-09-11 _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 278.737 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1C4C _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 9ZUK _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _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 A1C4C C10 C1 C 0 1 Y N N N N N -7.053 -0.516 -1.275 0.916 0.769 -0.536 C10 A1C4C 1 A1C4C C11 C2 C 0 1 Y N N N N N -7.190 -1.848 -1.658 1.156 -0.268 0.357 C11 A1C4C 2 A1C4C C12 C3 C 0 1 Y N N N N N -7.168 -2.856 -0.717 2.440 -0.510 0.802 C12 A1C4C 3 A1C4C C01 C4 C 0 1 N N N N N N -5.320 0.144 -7.582 -4.474 -2.580 0.264 C01 A1C4C 4 A1C4C C03 C5 C 0 1 N N N N N N -6.578 1.280 -5.869 -3.543 -0.333 0.311 C03 A1C4C 5 A1C4C C05 C6 C 0 1 N N N N N N -7.002 1.380 -4.502 -2.523 0.580 0.005 C05 A1C4C 6 A1C4C C06 C7 C 0 1 N N N N N N -6.620 0.469 -3.564 -1.405 0.134 -0.677 C06 A1C4C 7 A1C4C C07 C8 C 0 1 N N N N N N -5.733 -0.584 -3.957 -1.316 -1.224 -1.048 C07 A1C4C 8 A1C4C C13 C9 C 0 1 Y N N N N N -7.034 -2.546 0.621 3.487 0.278 0.360 C13 A1C4C 9 A1C4C C14 C10 C 0 1 Y N N N N N -6.916 -1.218 1.002 3.252 1.311 -0.529 C14 A1C4C 10 A1C4C C15 C11 C 0 1 Y N N N N N -6.910 -0.213 0.056 1.970 1.559 -0.978 C15 A1C4C 11 A1C4C C16 C12 C 0 1 N N N N N N -7.020 -3.638 1.695 4.888 0.011 0.849 C16 A1C4C 12 A1C4C C17 C13 C 0 1 N N N N N N -5.646 -3.734 2.337 5.575 -0.982 -0.091 C17 A1C4C 13 A1C4C N02 N1 N 0 1 N N N N N N -5.753 0.253 -6.197 -3.413 -1.623 -0.058 N02 A1C4C 14 A1C4C N08 N2 N 0 1 N N N N N N -5.335 -0.685 -5.267 -2.277 -2.053 -0.752 N08 A1C4C 15 A1C4C N09 N3 N 0 1 N N N N N N -7.063 0.600 -2.196 -0.382 1.014 -0.993 N09 A1C4C 16 A1C4C N18 N4 N 0 1 N N N N N N -4.699 -4.242 1.364 6.940 -1.242 0.386 N18 A1C4C 17 A1C4C O04 O1 O 0 1 N N N N N N -6.978 2.186 -6.779 -4.539 0.037 0.913 O04 A1C4C 18 A1C4C CL19 CL1 CL 0 0 N N N N N N -8.057 2.726 -4.085 -2.662 2.246 0.475 CL19 A1C4C 19 A1C4C H06 H1 H 0 1 N N N N N N -7.315 -2.094 -2.702 0.339 -0.883 0.703 H06 A1C4C 20 A1C4C H07 H2 H 0 1 N N N N N N -7.256 -3.887 -1.027 2.628 -1.316 1.496 H07 A1C4C 21 A1C4C H03 H3 H 0 1 N N N N N N -4.673 -0.738 -7.696 -5.198 -2.608 -0.550 H03 A1C4C 22 A1C4C H02 H4 H 0 1 N N N N N N -6.200 0.039 -8.234 -4.040 -3.571 0.398 H02 A1C4C 23 A1C4C H01 H5 H 0 1 N N N N N N -4.760 1.048 -7.863 -4.972 -2.274 1.184 H01 A1C4C 24 A1C4C H04 H6 H 0 1 N N N N N N -5.379 -1.296 -3.226 -0.446 -1.579 -1.581 H04 A1C4C 25 A1C4C H08 H7 H 0 1 N N N N N N -6.828 -0.968 2.049 4.072 1.925 -0.872 H08 A1C4C 26 A1C4C H09 H8 H 0 1 N N N N N N -6.792 0.815 0.364 1.787 2.365 -1.672 H09 A1C4C 27 A1C4C H11 H9 H 0 1 N N N N N N -7.765 -3.396 2.468 5.451 0.944 0.866 H11 A1C4C 28 A1C4C H10 H10 H 0 1 N N N N N N -7.272 -4.604 1.233 4.848 -0.408 1.854 H10 A1C4C 29 A1C4C H12 H11 H 0 1 N N N N N N -5.327 -2.737 2.675 5.012 -1.915 -0.108 H12 A1C4C 30 A1C4C H13 H12 H 0 1 N N N N N N -5.690 -4.416 3.199 5.615 -0.563 -1.096 H13 A1C4C 31 A1C4C H05 H13 H 0 1 N N N N N N -7.387 1.490 -1.875 -0.567 1.799 -1.531 H05 A1C4C 32 A1C4C H1 H14 H 0 1 N N N N N N -3.793 -4.307 1.782 7.415 -1.896 -0.219 H1 A1C4C 33 A1C4C H15 H15 H 0 1 N N N N N N -4.990 -5.148 1.057 7.463 -0.384 0.472 H15 A1C4C 34 # 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 A1C4C CL19 C05 SING N N 1 A1C4C C01 N02 SING N N 2 A1C4C N02 C03 SING N N 3 A1C4C N02 N08 SING N N 4 A1C4C C03 O04 DOUB N N 5 A1C4C C03 C05 SING N N 6 A1C4C C05 C06 DOUB N N 7 A1C4C C06 C07 SING N N 8 A1C4C C06 N09 SING N N 9 A1C4C C07 N08 DOUB N N 10 A1C4C N09 C10 SING N N 11 A1C4C C10 C11 DOUB Y N 12 A1C4C C10 C15 SING Y N 13 A1C4C C11 C12 SING Y N 14 A1C4C C12 C13 DOUB Y N 15 A1C4C C13 C14 SING Y N 16 A1C4C C13 C16 SING N N 17 A1C4C C14 C15 DOUB Y N 18 A1C4C C16 C17 SING N N 19 A1C4C C17 N18 SING N N 20 A1C4C C11 H06 SING N N 21 A1C4C C12 H07 SING N N 22 A1C4C C01 H03 SING N N 23 A1C4C C01 H02 SING N N 24 A1C4C C01 H01 SING N N 25 A1C4C C07 H04 SING N N 26 A1C4C C14 H08 SING N N 27 A1C4C C15 H09 SING N N 28 A1C4C C16 H11 SING N N 29 A1C4C C16 H10 SING N N 30 A1C4C C17 H12 SING N N 31 A1C4C C17 H13 SING N N 32 A1C4C N09 H05 SING N N 33 A1C4C N18 H1 SING N N 34 A1C4C N18 H15 SING N N 35 # 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 A1C4C SMILES ACDLabs 14.52 "CN1N=CC(Nc2ccc(CCN)cc2)=C(Cl)C1=O" A1C4C InChI InChI 1.06 "InChI=1S/C13H15ClN4O/c1-18-13(19)12(14)11(8-16-18)17-10-4-2-9(3-5-10)6-7-15/h2-5,8,17H,6-7,15H2,1H3" A1C4C InChIKey InChI 1.06 UOQAFGWMKNIVAR-UHFFFAOYSA-N A1C4C SMILES_CANONICAL CACTVS 3.385 "CN1N=CC(=C(Cl)C1=O)Nc2ccc(CCN)cc2" A1C4C SMILES CACTVS 3.385 "CN1N=CC(=C(Cl)C1=O)Nc2ccc(CCN)cc2" A1C4C SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "CN1C(=O)C(=C(C=N1)Nc2ccc(cc2)CCN)Cl" A1C4C SMILES "OpenEye OEToolkits" 3.1.0.0 "CN1C(=O)C(=C(C=N1)Nc2ccc(cc2)CCN)Cl" # loop_ _pdbx_chem_comp_identifier.comp_id _pdbx_chem_comp_identifier.type _pdbx_chem_comp_identifier.program _pdbx_chem_comp_identifier.program_version _pdbx_chem_comp_identifier.identifier A1C4C "SYSTEMATIC NAME" ACDLabs 14.52 "5-[4-(2-aminoethyl)anilino]-4-chloro-2-methylpyridazin-3(2H)-one" A1C4C "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "5-[[4-(2-azanylethyl)phenyl]amino]-4-chloranyl-2-methyl-pyridazin-3-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 A1C4C "Create component" 2026-01-08 RCSB A1C4C "Modify coordinates" 2026-03-23 RCSB A1C4C "Initial release" 2026-09-16 RCSB #