data_A1KDX # _chem_comp.id A1KDX _chem_comp.name "[(1~{R})-1-[[(2~{R})-4-morpholin-4-yl-4-oxidanylidene-2-(pyrazin-2-ylcarbonylamino)butanoyl]amino]-4-phenyl-butyl]boronic acid" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C23 H30 B N5 O6" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-07-14 _chem_comp.pdbx_modified_date 2026-09-25 _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 483.325 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1KDX _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 31SY _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 A1KDX N1 N1 N 0 1 N N N N N N 160.301 119.985 131.913 0.805 -0.929 1.066 N1 A1KDX 1 A1KDX N3 N2 N 0 1 N N N N N N 157.374 118.575 133.002 -2.743 -1.213 0.093 N3 A1KDX 2 A1KDX C4 C1 C 0 1 N N N N N N 160.864 120.180 129.350 4.402 -0.290 0.055 C4 A1KDX 3 A1KDX C5 C2 C 0 1 N N N N N N 161.279 120.114 127.882 5.349 0.879 0.336 C5 A1KDX 4 A1KDX C6 C3 C 0 1 Y N N N N N 162.567 119.486 127.554 6.682 0.612 -0.314 C6 A1KDX 5 A1KDX C7 C4 C 0 1 Y N N N N N 163.301 119.990 126.476 7.668 -0.060 0.382 C7 A1KDX 6 A1KDX C8 C5 C 0 1 Y N N N N N 164.517 119.391 126.089 8.892 -0.304 -0.214 C8 A1KDX 7 A1KDX C10 C6 C 0 1 Y N N N N N 164.228 117.787 127.908 8.141 0.795 -2.204 C10 A1KDX 8 A1KDX C13 C7 C 0 1 N N R N N N 158.093 119.049 131.892 -1.668 -0.893 1.035 C13 A1KDX 9 A1KDX C15 C8 C 0 1 N N N N N N 156.613 117.981 130.092 -1.694 1.441 0.198 C15 A1KDX 10 A1KDX C17 C9 C 0 1 N N N N N N 157.646 116.942 126.560 -3.036 4.537 -0.906 C17 A1KDX 11 A1KDX C20 C10 C 0 1 N N N N N N 157.408 119.280 134.173 -3.987 -1.463 0.549 C20 A1KDX 12 A1KDX C21 C11 C 0 1 Y N N N N N 156.656 118.751 135.373 -5.098 -1.675 -0.407 C21 A1KDX 13 A1KDX C22 C12 C 0 1 Y N N N N N 156.675 119.538 136.554 -6.385 -1.934 0.062 C22 A1KDX 14 A1KDX C24 C13 C 0 1 Y N N N N N 155.312 117.219 136.429 -5.863 -1.801 -2.565 C24 A1KDX 15 A1KDX O1 O1 O 0 1 N N N N N N 162.127 119.749 134.174 3.975 -2.972 0.559 O1 A1KDX 16 A1KDX C2 C14 C 0 1 N N R N N N 161.675 119.995 131.637 2.101 -1.188 0.434 C2 A1KDX 17 A1KDX N2 N3 N 0 1 N N N N N N 156.655 117.305 128.872 -1.857 2.775 0.296 N2 A1KDX 18 A1KDX O2 O2 O 0 1 N N N N N N 162.046 121.853 133.413 2.006 -3.243 2.008 O2 A1KDX 19 A1KDX C3 C15 C 0 1 N N N N N N 161.824 120.826 130.374 3.048 -0.019 0.715 C3 A1KDX 20 A1KDX O3 O3 O 0 1 N N N N N N 160.043 117.854 132.579 -0.287 -1.566 -0.757 O3 A1KDX 21 A1KDX N4 N4 N 0 1 Y N N N N N 156.013 119.157 137.663 -7.373 -2.121 -0.794 N4 A1KDX 22 A1KDX O4 O4 O 0 1 N N N N N N 155.540 118.262 130.703 -1.494 0.932 -0.884 O4 A1KDX 23 A1KDX N5 N5 N 0 1 Y N N N N N 155.982 117.585 135.305 -4.872 -1.613 -1.717 N5 A1KDX 24 A1KDX O5 O5 O 0 1 N N N N N N 157.405 115.574 126.756 -3.143 5.204 0.353 O5 A1KDX 25 A1KDX O6 O6 O 0 1 N N N N N N 158.037 120.358 134.286 -4.196 -1.515 1.745 O6 A1KDX 26 A1KDX C9 C16 C 0 1 Y N N N N N 164.994 118.281 126.803 9.128 0.124 -1.507 C9 A1KDX 27 A1KDX C11 C17 C 0 1 Y N N N N N 163.018 118.391 128.273 6.916 1.035 -1.610 C11 A1KDX 28 A1KDX C12 C18 C 0 1 N N N N N N 159.600 118.919 132.148 -0.335 -1.154 0.383 C12 A1KDX 29 A1KDX C14 C19 C 0 1 N N N N N N 157.964 118.338 130.562 -1.761 0.581 1.434 C14 A1KDX 30 A1KDX C16 C20 C 0 1 N N N N N N 157.788 117.584 127.951 -1.796 3.635 -0.896 C16 A1KDX 31 A1KDX C18 C21 C 0 1 N N N N N N 156.143 115.345 127.467 -3.327 4.327 1.467 C18 A1KDX 32 A1KDX C19 C22 C 0 1 N N N N N N 156.224 115.942 128.865 -2.102 3.415 1.599 C19 A1KDX 33 A1KDX C23 C23 C 0 1 Y N N N N N 155.328 118.006 137.617 -7.141 -2.064 -2.094 C23 A1KDX 34 A1KDX B B1 B 0 1 N N N N N N 162.416 120.558 133.018 2.714 -2.510 1.019 B A1KDX 35 A1KDX H1 H1 H 0 1 N N N N N N 159.826 120.865 131.930 0.767 -0.599 1.977 H1 A1KDX 36 A1KDX H2 H2 H 0 1 N N N N N N 156.843 117.730 132.936 -2.560 -1.245 -0.859 H2 A1KDX 37 A1KDX H3 H3 H 0 1 N N N N N N 159.921 120.744 129.393 4.266 -0.397 -1.021 H3 A1KDX 38 A1KDX H4 H4 H 0 1 N N N N N N 160.688 119.146 129.682 4.827 -1.208 0.461 H4 A1KDX 39 A1KDX H5 H5 H 0 1 N N N N N N 161.314 121.147 127.506 4.924 1.797 -0.070 H5 A1KDX 40 A1KDX H6 H6 H 0 1 N N N N N N 160.497 119.555 127.346 5.484 0.986 1.412 H6 A1KDX 41 A1KDX H7 H7 H 0 1 N N N N N N 162.932 120.848 125.934 7.484 -0.394 1.393 H7 A1KDX 42 A1KDX H8 H8 H 0 1 N N N N N N 165.076 119.782 125.252 9.663 -0.829 0.331 H8 A1KDX 43 A1KDX H9 H9 H 0 1 N N N N N N 164.589 116.937 128.468 8.324 1.126 -3.216 H9 A1KDX 44 A1KDX H10 H10 H 0 1 N N N N N N 157.868 120.114 131.734 -1.766 -1.517 1.924 H10 A1KDX 45 A1KDX H11 H11 H 0 1 N N N N N N 158.572 117.083 125.984 -3.925 3.930 -1.074 H11 A1KDX 46 A1KDX H12 H12 H 0 1 N N N N N N 156.805 117.399 126.018 -2.943 5.275 -1.703 H12 A1KDX 47 A1KDX H13 H13 H 0 1 N N N N N N 157.233 120.463 136.563 -6.574 -1.981 1.125 H13 A1KDX 48 A1KDX H14 H14 H 0 1 N N N N N N 154.747 116.299 136.422 -5.679 -1.755 -3.628 H14 A1KDX 49 A1KDX H15 H15 H 0 1 N N N N N N 162.571 120.110 134.933 4.269 -3.793 0.976 H15 A1KDX 50 A1KDX H16 H16 H 0 1 N N N N N N 162.048 118.977 131.450 1.966 -1.295 -0.642 H16 A1KDX 51 A1KDX H17 H17 H 0 1 N N N N N N 162.515 122.089 134.205 2.462 -4.042 2.307 H17 A1KDX 52 A1KDX H18 H18 H 0 1 N N N N N N 162.861 120.789 130.008 3.184 0.088 1.791 H18 A1KDX 53 A1KDX H19 H19 H 0 1 N N N N N N 161.539 121.871 130.564 2.623 0.899 0.309 H19 A1KDX 54 A1KDX H20 H20 H 0 1 N N N N N N 165.923 117.807 126.524 10.084 -0.066 -1.972 H20 A1KDX 55 A1KDX H21 H21 H 0 1 N N N N N N 162.444 118.008 129.104 6.144 1.556 -2.155 H21 A1KDX 56 A1KDX H22 H22 H 0 1 N N N N N N 158.542 117.405 130.633 -2.705 0.759 1.950 H22 A1KDX 57 A1KDX H23 H23 H 0 1 N N N N N N 158.413 118.990 129.798 -0.932 0.831 2.096 H23 A1KDX 58 A1KDX H24 H24 H 0 1 N N N N N N 158.710 117.203 128.414 -1.783 3.018 -1.794 H24 A1KDX 59 A1KDX H25 H25 H 0 1 N N N N N N 157.866 118.674 127.821 -0.896 4.249 -0.860 H25 A1KDX 60 A1KDX H26 H26 H 0 1 N N N N N N 155.320 115.821 126.914 -3.443 4.914 2.378 H26 A1KDX 61 A1KDX H27 H27 H 0 1 N N N N N N 155.957 114.263 127.542 -4.218 3.719 1.308 H27 A1KDX 62 A1KDX H28 H28 H 0 1 N N N N N N 155.227 115.888 129.326 -2.292 2.651 2.353 H28 A1KDX 63 A1KDX H29 H29 H 0 1 N N N N N N 156.935 115.348 129.458 -1.233 4.007 1.886 H29 A1KDX 64 A1KDX H30 H30 H 0 1 N N N N N N 154.783 117.672 138.488 -7.951 -2.218 -2.792 H30 A1KDX 65 # 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 A1KDX C8 C7 DOUB Y N 1 A1KDX C8 C9 SING Y N 2 A1KDX C7 C6 SING Y N 3 A1KDX C17 O5 SING N N 4 A1KDX C17 C16 SING N N 5 A1KDX O5 C18 SING N N 6 A1KDX C9 C10 DOUB Y N 7 A1KDX C18 C19 SING N N 8 A1KDX C6 C5 SING N N 9 A1KDX C6 C11 DOUB Y N 10 A1KDX C5 C4 SING N N 11 A1KDX C10 C11 SING Y N 12 A1KDX C16 N2 SING N N 13 A1KDX C19 N2 SING N N 14 A1KDX N2 C15 SING N N 15 A1KDX C4 C3 SING N N 16 A1KDX C15 C14 SING N N 17 A1KDX C15 O4 DOUB N N 18 A1KDX C3 C2 SING N N 19 A1KDX C14 C13 SING N N 20 A1KDX C2 N1 SING N N 21 A1KDX C2 B SING N N 22 A1KDX C13 C12 SING N N 23 A1KDX C13 N3 SING N N 24 A1KDX N1 C12 SING N N 25 A1KDX C12 O3 DOUB N N 26 A1KDX N3 C20 SING N N 27 A1KDX B O2 SING N N 28 A1KDX B O1 SING N N 29 A1KDX C20 O6 DOUB N N 30 A1KDX C20 C21 SING N N 31 A1KDX N5 C21 DOUB Y N 32 A1KDX N5 C24 SING Y N 33 A1KDX C21 C22 SING Y N 34 A1KDX C24 C23 DOUB Y N 35 A1KDX C22 N4 DOUB Y N 36 A1KDX C23 N4 SING Y N 37 A1KDX N1 H1 SING N N 38 A1KDX N3 H2 SING N N 39 A1KDX C4 H3 SING N N 40 A1KDX C4 H4 SING N N 41 A1KDX C5 H5 SING N N 42 A1KDX C5 H6 SING N N 43 A1KDX C7 H7 SING N N 44 A1KDX C8 H8 SING N N 45 A1KDX C10 H9 SING N N 46 A1KDX C13 H10 SING N N 47 A1KDX C17 H11 SING N N 48 A1KDX C17 H12 SING N N 49 A1KDX C22 H13 SING N N 50 A1KDX C24 H14 SING N N 51 A1KDX O1 H15 SING N N 52 A1KDX C2 H16 SING N N 53 A1KDX O2 H17 SING N N 54 A1KDX C3 H18 SING N N 55 A1KDX C3 H19 SING N N 56 A1KDX C9 H20 SING N N 57 A1KDX C11 H21 SING N N 58 A1KDX C14 H22 SING N N 59 A1KDX C14 H23 SING N N 60 A1KDX C16 H24 SING N N 61 A1KDX C16 H25 SING N N 62 A1KDX C18 H26 SING N N 63 A1KDX C18 H27 SING N N 64 A1KDX C19 H28 SING N N 65 A1KDX C19 H29 SING N N 66 A1KDX C23 H30 SING N N 67 # 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 A1KDX InChI InChI 1.06 "InChI=1S/C23H30BN5O6/c30-21(29-11-13-35-14-12-29)15-18(27-23(32)19-16-25-9-10-26-19)22(31)28-20(24(33)34)8-4-7-17-5-2-1-3-6-17/h1-3,5-6,9-10,16,18,20,33-34H,4,7-8,11-15H2,(H,27,32)(H,28,31)/t18-,20+/m1/s1" A1KDX InChIKey InChI 1.06 SWXZFJMPTMOFNZ-QUCCMNQESA-N A1KDX SMILES_CANONICAL CACTVS 3.385 "OB(O)[C@H](CCCc1ccccc1)NC(=O)[C@@H](CC(=O)N2CCOCC2)NC(=O)c3cnccn3" A1KDX SMILES CACTVS 3.385 "OB(O)[CH](CCCc1ccccc1)NC(=O)[CH](CC(=O)N2CCOCC2)NC(=O)c3cnccn3" A1KDX SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "B([C@H](CCCc1ccccc1)NC(=O)[C@@H](CC(=O)N2CCOCC2)NC(=O)c3cnccn3)(O)O" A1KDX SMILES "OpenEye OEToolkits" 2.0.7 "B(C(CCCc1ccccc1)NC(=O)C(CC(=O)N2CCOCC2)NC(=O)c3cnccn3)(O)O" # _pdbx_chem_comp_identifier.comp_id A1KDX _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 "[(1~{R})-1-[[(2~{R})-4-morpholin-4-yl-4-oxidanylidene-2-(pyrazin-2-ylcarbonylamino)butanoyl]amino]-4-phenyl-butyl]boronic acid" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1KDX "Create component" 2026-07-14 PDBE A1KDX "Modify PCM" 2026-07-14 PDBE A1KDX "Initial release" 2026-09-30 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1KDX _pdbx_chem_comp_pcm.modified_residue_id SER _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 B _pdbx_chem_comp_pcm.modified_residue_id_linking_atom OG _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? #