data_A1KPX # _chem_comp.id A1KPX _chem_comp.name "2-[5-[(4-hydroxyphenyl)methyl]-2-(3-methylsulfanylpropanimidoyl)-4-oxidanyl-1,2-dihydroimidazol-3-yl]ethanoic acid" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C16 H19 N3 O4 S" _chem_comp.mon_nstd_parent_comp_id "MET, TYR, GLY" _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-09-09 _chem_comp.pdbx_modified_date 2026-09-18 _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 349.405 _chem_comp.one_letter_code MYG _chem_comp.three_letter_code A1KPX _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 31JT _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBE _chem_comp.pdbx_pcm Y _chem_comp.pdbx_comp_type ? # 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 A1KPX N1 N1 N 0 1 N N N Y Y N -13.102 -27.004 5.575 -1.763 1.931 -1.622 N1 A1KPX 1 A1KPX CE C1 C 0 1 N N N N N N -14.534 -32.668 4.408 -6.663 2.572 0.340 CE A1KPX 2 A1KPX SD S1 S 0 1 N N N N N N -14.886 -31.076 5.207 -5.426 1.378 0.919 SD A1KPX 3 A1KPX CG1 C2 C 0 1 N N N N N N -13.364 -30.313 5.860 -4.025 1.669 -0.195 CG1 A1KPX 4 A1KPX CB1 C3 C 0 1 N N N N N N -12.784 -29.323 4.860 -2.879 0.723 0.169 CB1 A1KPX 5 A1KPX CA1 C4 C 0 1 N N N N Y N -12.353 -28.000 5.511 -1.714 0.965 -0.757 CA1 A1KPX 6 A1KPX C1 C5 C 0 1 Y N N N Y N -10.909 -27.743 5.926 -0.525 0.109 -0.679 C1 A1KPX 7 A1KPX N2 N2 N 0 1 Y N N N Y N -9.802 -28.416 5.549 0.595 0.282 -1.350 N2 A1KPX 8 A1KPX OH O1 O 0 1 N N N N N N -4.287 -26.185 1.607 6.486 1.966 1.676 OH A1KPX 9 A1KPX CD2 C6 C 0 1 Y N N N N N -5.700 -26.555 4.997 4.118 1.233 -0.987 CD2 A1KPX 10 A1KPX CE2 C7 C 0 1 Y N N N N N -4.965 -26.058 3.927 5.009 1.924 -0.189 CE2 A1KPX 11 A1KPX CZ C8 C 0 1 Y N N N N N -5.025 -26.684 2.690 5.609 1.289 0.889 CZ A1KPX 12 A1KPX CE1 C9 C 0 1 Y N N N N N -5.818 -27.809 2.530 5.313 -0.038 1.162 CE1 A1KPX 13 A1KPX CD1 C10 C 0 1 Y N N N N N -6.549 -28.305 3.602 4.421 -0.725 0.361 CD1 A1KPX 14 A1KPX CG2 C11 C 0 1 Y N N N N N -6.502 -27.674 4.834 3.820 -0.088 -0.710 CG2 A1KPX 15 A1KPX CB2 C12 C 0 1 N N N N N N -7.297 -28.242 6.015 2.848 -0.839 -1.582 CB2 A1KPX 16 A1KPX CA2 C13 C 0 1 Y N N N Y N -8.766 -27.824 6.115 1.454 -0.683 -1.031 CA2 A1KPX 17 A1KPX C2 C14 C 0 1 Y N N N Y N -9.230 -26.783 6.852 0.860 -1.504 -0.120 C2 A1KPX 18 A1KPX O2 O2 O 0 1 N N N N Y N -8.470 -25.895 7.619 1.409 -2.604 0.452 O2 A1KPX 19 A1KPX N3 N3 N 0 1 Y N N N Y N -10.532 -26.738 6.730 -0.388 -1.006 0.110 N3 A1KPX 20 A1KPX CA3 C15 C 0 1 N N N N Y N -11.378 -25.726 7.345 -1.393 -1.558 1.022 CA3 A1KPX 21 A1KPX C3 C16 C 0 1 N N N N Y Y -12.366 -26.271 8.373 -2.330 -2.454 0.254 C3 A1KPX 22 A1KPX O3 O3 O 0 1 N N N N Y Y -13.391 -25.711 8.559 -2.175 -2.615 -0.933 O3 A1KPX 23 A1KPX OXT O4 O 0 1 N Y N N Y Y -11.998 -27.367 9.043 -3.338 -3.073 0.890 OXT A1KPX 24 A1KPX H H1 H 0 1 N Y N Y Y N -12.617 -26.190 5.894 -0.987 2.133 -2.167 H A1KPX 25 A1KPX H2 H2 H 0 1 N N N N N N -15.470 -33.102 4.026 -6.907 2.366 -0.702 H2 A1KPX 26 A1KPX H3 H3 H 0 1 N N N N N N -13.834 -32.513 3.574 -7.564 2.486 0.947 H3 A1KPX 27 A1KPX H4 H4 H 0 1 N N N N N N -14.084 -33.354 5.141 -6.262 3.582 0.426 H4 A1KPX 28 A1KPX H5 H5 H 0 1 N N N N N N -12.622 -31.101 6.059 -4.334 1.486 -1.224 H5 A1KPX 29 A1KPX H6 H6 H 0 1 N N N N N N -13.598 -29.785 6.796 -3.690 2.702 -0.095 H6 A1KPX 30 A1KPX H7 H7 H 0 1 N N N N N N -13.547 -29.107 4.097 -2.569 0.907 1.198 H7 A1KPX 31 A1KPX H8 H8 H 0 1 N N N N N N -11.906 -29.781 4.381 -3.214 -0.309 0.069 H8 A1KPX 32 A1KPX H10 H10 H 0 1 N N N N N N -3.801 -25.417 1.882 6.075 2.418 2.425 H10 A1KPX 33 A1KPX H11 H11 H 0 1 N N N N N N -5.646 -26.067 5.959 3.651 1.727 -1.826 H11 A1KPX 34 A1KPX H12 H12 H 0 1 N N N N N N -4.346 -25.183 4.059 5.239 2.957 -0.404 H12 A1KPX 35 A1KPX H13 H13 H 0 1 N N N N N N -5.868 -28.301 1.570 5.779 -0.535 2.000 H13 A1KPX 36 A1KPX H14 H14 H 0 1 N N N N N N -7.158 -29.188 3.474 4.190 -1.758 0.573 H14 A1KPX 37 A1KPX H15 H15 H 0 1 N N N N N N -7.266 -29.339 5.942 2.885 -0.439 -2.596 H15 A1KPX 38 A1KPX H16 H16 H 0 1 N N N N N N -6.795 -27.922 6.940 3.115 -1.896 -1.599 H16 A1KPX 39 A1KPX H17 H17 H 0 1 N N N N N N -10.729 -24.993 7.846 -0.896 -2.135 1.803 H17 A1KPX 40 A1KPX H18 H18 H 0 1 N N N N N N -11.950 -25.226 6.550 -1.958 -0.744 1.475 H18 A1KPX 41 A1KPX H19 H19 H 0 1 N N N N N N -12.677 -27.602 9.665 -3.913 -3.638 0.355 H19 A1KPX 42 A1KPX H21 H21 H 0 1 N N N N N N -9.044 -25.261 8.033 1.884 -2.423 1.275 H21 A1KPX 43 # 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 A1KPX OH CZ SING N N 1 A1KPX CE1 CZ DOUB Y N 2 A1KPX CE1 CD1 SING Y N 3 A1KPX CZ CE2 SING Y N 4 A1KPX CD1 CG2 DOUB Y N 5 A1KPX CE2 CD2 DOUB Y N 6 A1KPX CE SD SING N N 7 A1KPX CG2 CD2 SING Y N 8 A1KPX CG2 CB2 SING N N 9 A1KPX CB1 CA1 SING N N 10 A1KPX CB1 CG1 SING N N 11 A1KPX SD CG1 SING N N 12 A1KPX CA1 N1 DOUB N N 13 A1KPX CA1 C1 SING N N 14 A1KPX N2 C1 DOUB Y N 15 A1KPX N2 CA2 SING Y N 16 A1KPX C1 N3 SING Y N 17 A1KPX CB2 CA2 SING N N 18 A1KPX CA2 C2 DOUB Y N 19 A1KPX N3 C2 SING Y N 20 A1KPX N3 CA3 SING N N 21 A1KPX C2 O2 SING N N 22 A1KPX CA3 C3 SING N N 23 A1KPX C3 O3 DOUB N N 24 A1KPX C3 OXT SING N N 25 A1KPX N1 H SING N N 26 A1KPX CE H2 SING N N 27 A1KPX CE H3 SING N N 28 A1KPX CE H4 SING N N 29 A1KPX CG1 H5 SING N N 30 A1KPX CG1 H6 SING N N 31 A1KPX CB1 H7 SING N N 32 A1KPX CB1 H8 SING N N 33 A1KPX OH H10 SING N N 34 A1KPX CD2 H11 SING N N 35 A1KPX CE2 H12 SING N N 36 A1KPX CE1 H13 SING N N 37 A1KPX CD1 H14 SING N N 38 A1KPX CB2 H15 SING N N 39 A1KPX CB2 H16 SING N N 40 A1KPX CA3 H17 SING N N 41 A1KPX CA3 H18 SING N N 42 A1KPX OXT H19 SING N N 43 A1KPX O2 H21 SING N N 44 # 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 A1KPX InChI InChI 1.06 "InChI=1S/C16H19N3O4S/c1-24-7-6-12(17)15-18-13(16(23)19(15)9-14(21)22)8-10-2-4-11(20)5-3-10/h2-5,17,20,23H,6-9H2,1H3,(H,21,22)/b17-12-" A1KPX InChIKey InChI 1.06 ADFUQOLTBFZOCZ-ATVHPVEESA-N A1KPX SMILES_CANONICAL CACTVS 3.385 "CSCCC(=N)c1nc(Cc2ccc(O)cc2)c(O)n1CC(O)=O" A1KPX SMILES CACTVS 3.385 "CSCCC(=N)c1nc(Cc2ccc(O)cc2)c(O)n1CC(O)=O" A1KPX SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "[H]/N=C(/CCSC)\c1nc(c(n1CC(=O)O)O)Cc2ccc(cc2)O" A1KPX SMILES "OpenEye OEToolkits" 2.0.7 "CSCCC(=N)c1nc(c(n1CC(=O)O)O)Cc2ccc(cc2)O" # _pdbx_chem_comp_identifier.comp_id A1KPX _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-[4-[(4-hydroxyphenyl)methyl]-2-(3-methylsulfanylpropanimidoyl)-5-oxidanyl-imidazol-1-yl]ethanoic acid" # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1KPX _pdbx_chem_comp_pcm.modified_residue_id "MET, TYR, GLY" _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category Chromophore/chromophore-like _pdbx_chem_comp_pcm.position "Amino-acid side chain and backbone" _pdbx_chem_comp_pcm.polypeptide_position "Any position" _pdbx_chem_comp_pcm.comp_id_linking_atom ? _pdbx_chem_comp_pcm.modified_residue_id_linking_atom ? _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1KPX "Create component" 2026-09-09 PDBE A1KPX "Modify formula" 2026-09-10 PDBE A1KPX "Initial release" 2026-09-23 RCSB #