data_A1CKU # _chem_comp.id A1CKU _chem_comp.name "(2E)-3-[5-(dimethylamino)thiophen-2-yl]but-2-enal" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C10 H13 N O S" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-07-28 _chem_comp.pdbx_modified_date 2025-09-26 _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 195.281 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1CKU _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 9PSV _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _chem_comp.pdbx_pcm Y # 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 A1CKU C10 C1 C 0 1 N N N N N N -1.781 -17.875 -15.452 2.351 1.312 1.380 C10 A1CKU 1 A1CKU C12 C2 C 0 1 N N N N N N -2.507 -14.623 -21.900 -4.240 -1.174 0.024 C12 A1CKU 2 A1CKU C13 C3 C 0 1 N N N N N N -0.125 -13.935 -21.490 -3.828 1.216 -0.724 C13 A1CKU 3 A1CKU C01 C4 C 0 1 Y N N N N N -1.334 -15.282 -19.768 -1.966 -0.220 0.021 C01 A1CKU 4 A1CKU C03 C5 C 0 1 Y N N N N N -1.921 -16.576 -17.718 0.523 -0.068 0.326 C03 A1CKU 5 A1CKU C04 C6 C 0 1 Y N N N N N -0.548 -16.125 -17.598 -0.027 -1.283 0.660 C04 A1CKU 6 A1CKU C05 C7 C 0 1 Y N N N N N -0.174 -15.302 -18.899 -1.380 -1.359 0.492 C05 A1CKU 7 A1CKU C06 C8 C 0 1 N N N N N N -2.613 -17.405 -16.646 1.887 0.254 0.412 C06 A1CKU 8 A1CKU C07 C9 C 0 1 N N N N N N -3.888 -17.717 -16.748 2.801 -0.396 -0.388 C07 A1CKU 9 A1CKU C08 C10 C 0 1 N N N N N N -4.561 -18.549 -15.657 4.157 -0.076 -0.302 C08 A1CKU 10 A1CKU N11 N1 N 0 1 N N N N N N -1.331 -14.612 -21.051 -3.318 -0.062 -0.222 N11 A1CKU 11 A1CKU S02 S1 S 0 1 Y N N N N N -2.499 -16.076 -19.075 -0.744 1.020 -0.226 S02 A1CKU 12 A1CKU H103 H1 H 0 0 N N N N N N -2.416 -18.458 -14.769 2.587 0.850 2.339 H103 A1CKU 13 A1CKU H102 H2 H 0 0 N N N N N N -0.952 -18.504 -15.808 3.241 1.801 0.984 H102 A1CKU 14 A1CKU H101 H3 H 0 0 N N N N N N -1.377 -17.001 -14.920 1.561 2.051 1.518 H101 A1CKU 15 A1CKU H122 H4 H 0 0 N N N N N N -2.299 -14.062 -22.823 -3.682 -2.035 0.392 H122 A1CKU 16 A1CKU H121 H5 H 0 0 N N N N N N -2.767 -15.662 -22.153 -4.979 -0.875 0.767 H121 A1CKU 17 A1CKU H123 H6 H 0 0 N N N N N N -3.348 -14.154 -21.368 -4.746 -1.439 -0.905 H123 A1CKU 18 A1CKU H132 H7 H 0 0 N N N N N N -0.296 -13.483 -22.478 -3.820 1.207 -1.814 H132 A1CKU 19 A1CKU H133 H8 H 0 0 N N N N N N 0.137 -13.148 -20.768 -4.848 1.364 -0.369 H133 A1CKU 20 A1CKU H131 H9 H 0 0 N N N N N N 0.699 -14.661 -21.556 -3.196 2.027 -0.362 H131 A1CKU 21 A1CKU H041 H10 H 0 0 N N N N N N 0.109 -16.318 -16.763 0.563 -2.110 1.026 H041 A1CKU 22 A1CKU H051 H11 H 0 0 N N N N N N 0.779 -14.837 -19.103 -1.944 -2.253 0.716 H051 A1CKU 23 A1CKU H071 H12 H 0 0 N N N N N N -4.458 -17.385 -17.603 2.468 -1.154 -1.081 H071 A1CKU 24 A1CKU H081 H13 H 0 0 N N N N N N -4.092 -18.672 -14.692 4.490 0.683 0.392 H081 A1CKU 25 A1CKU O1 O1 O 0 1 N Y N N N N -5.834 -19.168 -15.939 4.964 -0.650 -1.008 O1 A1CKU 26 # 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 A1CKU C01 S02 SING Y N 1 A1CKU C01 C05 DOUB Y N 2 A1CKU C01 N11 SING N N 3 A1CKU S02 C03 SING Y N 4 A1CKU C03 C04 DOUB Y N 5 A1CKU C03 C06 SING N N 6 A1CKU C04 C05 SING Y N 7 A1CKU C06 C07 DOUB N E 8 A1CKU C06 C10 SING N N 9 A1CKU C07 C08 SING N N 10 A1CKU N11 C12 SING N N 11 A1CKU N11 C13 SING N N 12 A1CKU C10 H103 SING N N 13 A1CKU C10 H102 SING N N 14 A1CKU C10 H101 SING N N 15 A1CKU C12 H122 SING N N 16 A1CKU C12 H121 SING N N 17 A1CKU C12 H123 SING N N 18 A1CKU C13 H132 SING N N 19 A1CKU C13 H133 SING N N 20 A1CKU C13 H131 SING N N 21 A1CKU C04 H041 SING N N 22 A1CKU C05 H051 SING N N 23 A1CKU C07 H071 SING N N 24 A1CKU C08 H081 SING N N 25 A1CKU C08 O1 DOUB N N 26 # 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 A1CKU SMILES ACDLabs 14.52 "C/C(=C\C=O)c1ccc(s1)N(C)C" A1CKU InChI InChI 1.06 "InChI=1S/C10H13NOS/c1-8(6-7-12)9-4-5-10(13-9)11(2)3/h4-7H,1-3H3/b8-6+" A1CKU InChIKey InChI 1.06 OHTTZWOXIMXANB-SOFGYWHQSA-N A1CKU SMILES_CANONICAL CACTVS 3.385 "CN(C)c1sc(cc1)C(/C)=C/C=O" A1CKU SMILES CACTVS 3.385 "CN(C)c1sc(cc1)C(C)=CC=O" A1CKU SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C/C(=C\C=O)/c1ccc(s1)N(C)C" A1CKU SMILES "OpenEye OEToolkits" 3.1.0.0 "CC(=CC=O)c1ccc(s1)N(C)C" # 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 A1CKU "SYSTEMATIC NAME" ACDLabs 14.52 "(2E)-3-[5-(dimethylamino)thiophen-2-yl]but-2-enal" A1CKU "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(~{E})-3-[5-(dimethylamino)thiophen-2-yl]but-2-enal" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1CKU "Create component" 2025-07-28 RCSB A1CKU "Modify PCM" 2025-07-28 RCSB A1CKU "Initial release" 2025-10-01 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1CKU _pdbx_chem_comp_pcm.modified_residue_id LYS _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Covalent chemical modification" _pdbx_chem_comp_pcm.position "Amino-acid side chain" _pdbx_chem_comp_pcm.polypeptide_position "Any position" _pdbx_chem_comp_pcm.comp_id_linking_atom C08 _pdbx_chem_comp_pcm.modified_residue_id_linking_atom NZ _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? #