data_A1EP0 # _chem_comp.id A1EP0 _chem_comp.name "[[(2~{R},3~{S},4~{R},5~{R})-5-(3-aminocarbonylpyridin-1-ium-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl hydrogen phosphate" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C20 H28 N5 O15 P2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 1 _chem_comp.pdbx_initial_date 2025-04-29 _chem_comp.pdbx_modified_date 2026-04-24 _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 640.408 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EP0 _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 9UNZ _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 A1EP0 C6 C1 C 0 1 N N R N N N -3.612 28.809 31.123 5.689 -0.084 -1.112 C6 A1EP0 1 A1EP0 N1 N1 N 0 1 N N N N N N -3.800 34.099 28.329 8.618 5.066 0.348 N1 A1EP0 2 A1EP0 C2 C2 C 0 1 Y N N N N N -4.225 32.029 29.470 7.362 2.978 0.105 C2 A1EP0 3 A1EP0 O2 O1 O 0 1 N N N N N N -3.514 27.792 30.152 4.387 -0.554 -0.701 O2 A1EP0 4 A1EP0 N3 N2 N 0 1 N N N N N N -2.135 17.531 31.861 -6.654 1.414 -1.178 N3 A1EP0 5 A1EP0 C5 C3 C 0 1 Y N N N N N -5.692 30.111 30.811 5.847 0.925 1.061 C5 A1EP0 6 A1EP0 C4 C4 C 0 1 Y N N N N N -6.329 31.249 30.346 6.273 1.904 1.941 C4 A1EP0 7 A1EP0 O4 O2 O 0 1 N N N N N N -7.124 24.200 29.902 1.421 -3.004 2.097 O4 A1EP0 8 A1EP0 O5 O3 O 0 1 N N N N N N -7.914 25.901 31.626 0.598 -4.379 0.147 O5 A1EP0 9 A1EP0 C1 C5 C 0 1 N N N N N N -3.305 32.960 28.759 8.176 4.078 -0.455 C1 A1EP0 10 A1EP0 O1 O4 O 0 1 N N N N N N -2.121 32.642 28.549 8.447 4.090 -1.640 O1 A1EP0 11 A1EP0 C3 C6 C 0 1 Y N N N N N -5.594 32.217 29.678 7.043 2.952 1.468 C3 A1EP0 12 A1EP0 N2 N3 N 1 1 Y N N N N N -4.348 29.930 30.572 6.163 0.976 -0.219 N2 A1EP0 13 A1EP0 C7 C7 C 0 1 N N R N N N -3.595 26.536 30.849 4.220 -1.868 -1.261 C7 A1EP0 14 A1EP0 C8 C8 C 0 1 N N N N N N -4.903 25.925 30.434 3.403 -2.740 -0.305 C8 A1EP0 15 A1EP0 O3 O5 O 0 1 N N N N N N -5.492 25.249 31.530 2.071 -2.231 -0.216 O3 A1EP0 16 A1EP0 P1 P1 P 0 1 N N N N N N -6.985 24.801 31.263 0.934 -2.906 0.703 P1 A1EP0 17 A1EP0 O6 O6 O 0 1 N N N N N N -6.984 23.687 32.396 -0.396 -2.000 0.662 O6 A1EP0 18 A1EP0 P2 P2 P 0 1 N N N N N N -7.459 22.177 32.464 -1.687 -1.865 1.615 P2 A1EP0 19 A1EP0 O7 O7 O 0 1 N N N N N N -8.860 22.111 31.943 -1.253 -1.817 3.029 O7 A1EP0 20 A1EP0 O8 O8 O 0 1 N N N N N N -7.167 21.673 33.851 -2.653 -3.134 1.393 O8 A1EP0 21 A1EP0 O9 O9 O 0 1 N N N N N N -6.450 21.542 31.396 -2.484 -0.514 1.251 O9 A1EP0 22 A1EP0 C9 C9 C 0 1 N N N N N N -5.203 20.951 31.816 -3.618 -0.057 1.990 C9 A1EP0 23 A1EP0 C10 C10 C 0 1 N N R N N N -5.011 19.578 31.204 -4.130 1.250 1.381 C10 A1EP0 24 A1EP0 O10 O10 O 0 1 N N N N N N -3.605 19.236 31.307 -4.651 1.004 0.064 O10 A1EP0 25 A1EP0 C11 C11 C 0 1 N N R N N N -3.524 17.848 31.467 -5.761 1.908 -0.126 C11 A1EP0 26 A1EP0 C12 C12 C 0 1 N N N N N N -1.654 17.802 33.109 -6.981 2.224 -2.224 C12 A1EP0 27 A1EP0 C13 C13 C 0 1 N N N N N N -0.367 17.561 33.420 -7.807 1.757 -3.190 C13 A1EP0 28 A1EP0 C14 C14 C 0 1 N N N N N N 0.475 17.046 32.399 -8.307 0.442 -3.084 C14 A1EP0 29 A1EP0 N4 N4 N 0 1 N N N N N N 1.734 16.771 32.657 -9.147 -0.058 -4.051 N4 A1EP0 30 A1EP0 N5 N5 N 0 1 N N N N N N 0.024 16.791 31.161 -7.960 -0.310 -2.048 N5 A1EP0 31 A1EP0 C15 C15 C 0 1 N N N N N N -1.283 17.036 30.861 -7.142 0.162 -1.109 C15 A1EP0 32 A1EP0 O11 O11 O 0 1 N N N N N N -1.753 16.804 29.734 -6.839 -0.548 -0.165 O11 A1EP0 33 A1EP0 C16 C16 C 0 1 N N R N N N -4.639 17.525 32.457 -6.477 1.895 1.248 C16 A1EP0 34 A1EP0 O12 O12 O 0 1 N N N N N N -5.066 16.178 32.398 -7.218 3.100 1.448 O12 A1EP0 35 A1EP0 C17 C17 C 0 1 N N S N N N -5.751 18.393 31.865 -5.286 1.808 2.233 C17 A1EP0 36 A1EP0 O13 O13 O 0 1 N N N N N N -6.424 17.544 30.939 -4.957 3.105 2.736 O13 A1EP0 37 A1EP0 C18 C18 C 0 1 N N S N N N -3.412 26.896 32.342 5.626 -2.469 -1.447 C18 A1EP0 38 A1EP0 O14 O14 O 0 1 N N N N N N -2.071 27.199 32.743 5.855 -2.790 -2.821 O14 A1EP0 39 A1EP0 C19 C19 C 0 1 N N R N N N -4.207 28.194 32.393 6.584 -1.344 -0.987 C19 A1EP0 40 A1EP0 O15 O15 O 0 1 N N N N N N -3.939 28.973 33.549 7.717 -1.252 -1.853 O15 A1EP0 41 A1EP0 C20 C20 C 0 1 Y N N N N N -3.612 30.874 29.908 6.893 1.952 -0.717 C20 A1EP0 42 A1EP0 H1 H1 H 0 1 N N N N N N -2.599 29.155 31.374 5.663 0.267 -2.143 H1 A1EP0 43 A1EP0 H2 H2 H 0 1 N N N N N N -3.221 34.735 27.819 8.402 5.056 1.293 H2 A1EP0 44 A1EP0 H3 H3 H 0 1 N N N N N N -4.756 34.330 28.512 9.152 5.787 -0.020 H3 A1EP0 45 A1EP0 H4 H4 H 0 1 N N N N N N -6.249 29.366 31.360 5.246 0.106 1.428 H4 A1EP0 46 A1EP0 H5 H5 H 0 1 N N N N N N -7.389 31.382 30.502 6.007 1.851 2.987 H5 A1EP0 47 A1EP0 H6 H6 H 0 1 N N N N N N -8.499 26.076 30.898 0.273 -4.391 -0.764 H6 A1EP0 48 A1EP0 H7 H7 H 0 1 N N N N N N -6.078 33.113 29.320 7.389 3.729 2.133 H7 A1EP0 49 A1EP0 H8 H8 H 0 1 N N N N N N -2.771 25.876 30.541 3.716 -1.798 -2.225 H8 A1EP0 50 A1EP0 H9 H9 H 0 1 N N N N N N -5.582 26.718 30.088 3.377 -3.763 -0.680 H9 A1EP0 51 A1EP0 H10 H10 H 0 1 N N N N N N -4.728 25.210 29.617 3.864 -2.727 0.683 H10 A1EP0 52 A1EP0 H11 H11 H 0 1 N N N N N N -7.969 21.354 34.248 -2.976 -3.229 0.486 H11 A1EP0 53 A1EP0 H12 H12 H 0 1 N N N N N N -5.202 20.858 32.912 -4.405 -0.810 1.950 H12 A1EP0 54 A1EP0 H13 H13 H 0 1 N N N N N N -4.374 21.602 31.502 -3.331 0.114 3.027 H13 A1EP0 55 A1EP0 H14 H14 H 0 1 N N N N N N -5.303 19.620 30.144 -3.320 1.977 1.329 H14 A1EP0 56 A1EP0 H15 H15 H 0 1 N N N N N N -3.749 17.345 30.515 -5.404 2.909 -0.367 H15 A1EP0 57 A1EP0 H16 H16 H 0 1 N N N N N N -2.315 18.215 33.857 -6.586 3.227 -2.282 H16 A1EP0 58 A1EP0 H17 H17 H 0 1 N N N N N N 0.013 17.753 34.413 -8.080 2.381 -4.028 H17 A1EP0 59 A1EP0 H18 H18 H 0 1 N N N N N N 2.318 16.386 31.943 -9.398 0.494 -4.808 H18 A1EP0 60 A1EP0 H19 H19 H 0 1 N N N N N N 2.108 16.947 33.568 -9.489 -0.963 -3.976 H19 A1EP0 61 A1EP0 H20 H20 H 0 1 N N N N N N -4.377 17.851 33.475 -7.124 1.023 1.342 H20 A1EP0 62 A1EP0 H21 H21 H 0 1 N N N N N N -5.758 16.037 33.033 -7.684 3.140 2.295 H21 A1EP0 63 A1EP0 H22 H22 H 0 1 N N N N N N -6.422 18.756 32.658 -5.518 1.128 3.053 H22 A1EP0 64 A1EP0 H23 H23 H 0 1 N N N N N N -6.855 16.840 31.410 -5.649 3.503 3.280 H23 A1EP0 65 A1EP0 H24 H24 H 0 1 N N N N N N -3.874 26.130 32.982 5.749 -3.354 -0.822 H24 A1EP0 66 A1EP0 H25 H25 H 0 1 N N N N N N -2.056 27.407 33.670 6.726 -3.172 -2.996 H25 A1EP0 67 A1EP0 H26 H26 H 0 1 N N N N N N -5.281 27.998 32.261 6.897 -1.497 0.046 H26 A1EP0 68 A1EP0 H27 H27 H 0 1 N N N N N N -4.325 28.555 34.310 8.307 -2.017 -1.811 H27 A1EP0 69 A1EP0 H28 H28 H 0 1 N N N N N N -2.559 30.715 29.728 7.131 1.960 -1.770 H28 A1EP0 70 # 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 A1EP0 N1 C1 SING N N 1 A1EP0 O1 C1 DOUB N N 2 A1EP0 C1 C2 SING N N 3 A1EP0 C2 C3 DOUB Y N 4 A1EP0 C2 C20 SING Y N 5 A1EP0 C3 C4 SING Y N 6 A1EP0 O11 C15 DOUB N N 7 A1EP0 O4 P1 DOUB N N 8 A1EP0 C20 N2 DOUB Y N 9 A1EP0 O2 C7 SING N N 10 A1EP0 O2 C6 SING N N 11 A1EP0 C4 C5 DOUB Y N 12 A1EP0 C8 C7 SING N N 13 A1EP0 C8 O3 SING N N 14 A1EP0 N2 C5 SING Y N 15 A1EP0 N2 C6 SING N N 16 A1EP0 C7 C18 SING N N 17 A1EP0 C15 N5 SING N N 18 A1EP0 C15 N3 SING N N 19 A1EP0 O13 C17 SING N N 20 A1EP0 C6 C19 SING N N 21 A1EP0 N5 C14 DOUB N N 22 A1EP0 C10 O10 SING N N 23 A1EP0 C10 C9 SING N N 24 A1EP0 C10 C17 SING N N 25 A1EP0 P1 O3 SING N N 26 A1EP0 P1 O5 SING N N 27 A1EP0 P1 O6 SING N N 28 A1EP0 O10 C11 SING N N 29 A1EP0 O9 C9 SING N N 30 A1EP0 O9 P2 SING N N 31 A1EP0 C11 N3 SING N N 32 A1EP0 C11 C16 SING N N 33 A1EP0 N3 C12 SING N N 34 A1EP0 C17 C16 SING N N 35 A1EP0 O7 P2 DOUB N N 36 A1EP0 C18 C19 SING N N 37 A1EP0 C18 O14 SING N N 38 A1EP0 C19 O15 SING N N 39 A1EP0 O6 P2 SING N N 40 A1EP0 O12 C16 SING N N 41 A1EP0 C14 N4 SING N N 42 A1EP0 C14 C13 SING N N 43 A1EP0 P2 O8 SING N N 44 A1EP0 C12 C13 DOUB N N 45 A1EP0 C6 H1 SING N N 46 A1EP0 N1 H2 SING N N 47 A1EP0 N1 H3 SING N N 48 A1EP0 C5 H4 SING N N 49 A1EP0 C4 H5 SING N N 50 A1EP0 O5 H6 SING N N 51 A1EP0 C3 H7 SING N N 52 A1EP0 C7 H8 SING N N 53 A1EP0 C8 H9 SING N N 54 A1EP0 C8 H10 SING N N 55 A1EP0 O8 H11 SING N N 56 A1EP0 C9 H12 SING N N 57 A1EP0 C9 H13 SING N N 58 A1EP0 C10 H14 SING N N 59 A1EP0 C11 H15 SING N N 60 A1EP0 C12 H16 SING N N 61 A1EP0 C13 H17 SING N N 62 A1EP0 N4 H18 SING N N 63 A1EP0 N4 H19 SING N N 64 A1EP0 C16 H20 SING N N 65 A1EP0 O12 H21 SING N N 66 A1EP0 C17 H22 SING N N 67 A1EP0 O13 H23 SING N N 68 A1EP0 C18 H24 SING N N 69 A1EP0 O14 H25 SING N N 70 A1EP0 C19 H26 SING N N 71 A1EP0 O15 H27 SING N N 72 A1EP0 C20 H28 SING N N 73 # 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 A1EP0 InChI InChI 1.06 "InChI=1S/C20H27N5O15P2/c21-12-3-5-25(20(31)23-12)19-16(29)14(27)11(39-19)8-37-42(34,35)40-41(32,33)36-7-10-13(26)15(28)18(38-10)24-4-1-2-9(6-24)17(22)30/h1-6,10-11,13-16,18-19,26-29H,7-8H2,(H5-,21,22,23,30,31,32,33,34,35)/p+1/t10-,11-,13-,14-,15-,16-,18-,19-/m1/s1" A1EP0 InChIKey InChI 1.06 CRWNYXSXULHVKY-CASWGKKBSA-O A1EP0 SMILES_CANONICAL CACTVS 3.385 "NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P](O)(=O)O[P](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)N4C=CC(=NC4=O)N)[C@@H](O)[C@H]2O" A1EP0 SMILES CACTVS 3.385 "NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)N4C=CC(=NC4=O)N)[CH](O)[CH]2O" A1EP0 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)OP(=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)N4C=CC(=NC4=O)N)O)O)O)O)C(=O)N" A1EP0 SMILES "OpenEye OEToolkits" 2.0.7 "c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)OCC3C(C(C(O3)N4C=CC(=NC4=O)N)O)O)O)O)C(=O)N" # _pdbx_chem_comp_identifier.comp_id A1EP0 _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~{R},3~{S},4~{R},5~{R})-5-(3-aminocarbonylpyridin-1-ium-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl hydrogen phosphate" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EP0 "Create component" 2025-04-29 PDBC A1EP0 "Initial release" 2026-04-29 RCSB #