data_A1KUD # _chem_comp.id A1KUD _chem_comp.name "[(2~{R},3~{R},4~{R},5~{R})-5-(6-aminopurin-9-yl)-2-[[[[[(1~{R},3~{R},4~{R},7~{S})-3-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)-7-oxidanyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-4-methylsulfanyl-oxolan-3-yl] (2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)methyl hydrogen phosphate" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C29 H38 N15 O20 P4 S" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2026-10-07 _chem_comp.pdbx_modified_date 2026-10-09 _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 1072.661 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1KUD _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag Y _chem_comp.pdbx_ideal_coordinates_details Corina _chem_comp.pdbx_ideal_coordinates_missing_flag Y _chem_comp.pdbx_model_coordinates_db_code 34CY _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBE _chem_comp.pdbx_pcm ? _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 A1KUD N1 N1 N 0 1 N N N N N N 8.726 32.550 63.676 ? ? ? N1 A1KUD 1 A1KUD C7 C1 C 0 1 N N N N N N 11.727 29.169 63.057 ? ? ? C7 A1KUD 2 A1KUD C8 C2 C 0 1 Y N N N N N 12.926 31.331 62.905 ? ? ? C8 A1KUD 3 A1KUD N2 N2 N 0 1 N N N N N N 8.538 34.845 63.778 ? ? ? N2 A1KUD 4 A1KUD C5 C3 C 0 1 Y N N N N N 10.745 31.528 63.271 ? ? ? C5 A1KUD 5 A1KUD C6 C4 C 0 1 N N N N N N 9.348 31.329 63.506 ? ? ? C6 A1KUD 6 A1KUD N3 N3 N 0 1 N N N N N N 10.609 33.951 63.349 ? ? ? N3 A1KUD 7 A1KUD C4 C5 C 0 1 Y N N N N N 11.287 32.798 63.201 ? ? ? C4 A1KUD 8 A1KUD C2 C6 C 0 1 N N N N N N 9.323 33.782 63.584 ? ? ? C2 A1KUD 9 A1KUD N7 N4 N 0 1 Y N N N N N 11.798 30.637 63.076 ? ? ? N7 A1KUD 10 A1KUD O6 O1 O 0 1 N N N N N N 8.701 30.284 63.585 ? ? ? O6 A1KUD 11 A1KUD N9 N5 N 0 1 Y N N N N N 12.658 32.640 62.954 ? ? ? N9 A1KUD 12 A1KUD O3A O2 O 0 1 N N N N N N 15.749 33.439 65.815 ? ? ? O3A A1KUD 13 A1KUD C1A C7 C 0 1 N N R N N N 13.659 33.716 62.833 ? ? ? C1A A1KUD 14 A1KUD C2A C8 C 0 1 N N R N N N 14.089 34.238 64.198 ? ? ? C2A A1KUD 15 A1KUD C3A C9 C 0 1 N N S N N N 15.043 33.130 64.639 ? ? ? C3A A1KUD 16 A1KUD C4A C10 C 0 1 N N R N N N 15.895 33.295 63.389 ? ? ? C4A A1KUD 17 A1KUD C5A C11 C 0 1 N N N N N N 17.047 32.374 63.106 ? ? ? C5A A1KUD 18 A1KUD O4A O3 O 0 1 N N N N N N 14.887 33.172 62.332 ? ? ? O4A A1KUD 19 A1KUD O2A O4 O 0 1 N N N N N N 14.966 35.344 63.949 ? ? ? O2A A1KUD 20 A1KUD P1 P1 P 0 1 N N N N N N 17.053 29.817 62.420 ? ? ? P1 A1KUD 21 A1KUD O11 O5 O 0 1 N N N N N N 16.158 28.693 62.826 ? ? ? O11 A1KUD 22 A1KUD O12 O6 O 0 1 N N N N N N 17.034 30.348 61.037 ? ? ? O12 A1KUD 23 A1KUD O13 O7 O 0 1 N N N N N N 18.473 29.480 63.032 ? ? ? O13 A1KUD 24 A1KUD O15 O8 O 0 1 N N N N N N 16.702 31.038 63.394 ? ? ? O15 A1KUD 25 A1KUD P2 P2 P 0 1 N N N N N N 19.988 29.916 62.796 ? ? ? P2 A1KUD 26 A1KUD O22 O9 O 0 1 N N N N N N 20.223 30.423 61.423 ? ? ? O22 A1KUD 27 A1KUD O21 O10 O 0 1 N N N N N N 20.557 28.647 63.279 ? ? ? O21 A1KUD 28 A1KUD O23 O11 O 0 1 N N N N N N 20.252 31.191 63.706 ? ? ? O23 A1KUD 29 A1KUD P3 P3 P 0 1 N N N N N N 20.137 31.509 65.257 ? ? ? P3 A1KUD 30 A1KUD O32 O12 O 0 1 N N N N N N 19.250 30.522 65.916 ? ? ? O32 A1KUD 31 A1KUD O31 O13 O 0 1 N N N N N N 19.877 32.965 65.417 ? ? ? O31 A1KUD 32 A1KUD O33 O14 O 0 1 N N N N N N 21.687 31.226 65.472 ? ? ? O33 A1KUD 33 A1KUD C5B C12 C 0 1 N N N N N N 22.546 32.293 65.054 ? ? ? C5B A1KUD 34 A1KUD C4B C13 C 0 1 N N R N N N 23.964 31.910 65.359 ? ? ? C4B A1KUD 35 A1KUD O4B O15 O 0 1 N N N N N N 24.058 31.431 66.718 ? ? ? O4B A1KUD 36 A1KUD C3B C14 C 0 1 N N R N N N 24.464 30.779 64.510 ? ? ? C3B A1KUD 37 A1KUD O3B O16 O 0 1 N N N N N N 24.836 31.343 63.260 ? ? ? O3B A1KUD 38 A1KUD C2B C15 C 0 1 N N R N N N 25.614 30.260 65.376 ? ? ? C2B A1KUD 39 A1KUD S2B S1 S 0 1 N N N N N N 27.090 31.305 65.151 ? ? ? S2B A1KUD 40 A1KUD C1B C16 C 0 1 N N R N N N 25.013 30.380 66.793 ? ? ? C1B A1KUD 41 A1KUD N9C N6 N 0 1 Y N N N N N 24.358 29.181 67.340 ? ? ? N9C A1KUD 42 A1KUD C8C C17 C 0 1 Y N N N N N 24.119 27.957 66.761 ? ? ? C8C A1KUD 43 A1KUD N7C N7 N 0 1 Y N N N N N 23.504 27.109 67.551 ? ? ? N7C A1KUD 44 A1KUD C5C C18 C 0 1 Y N N N N N 23.332 27.819 68.733 ? ? ? C5C A1KUD 45 A1KUD C6C C19 C 0 1 Y N N N N N 22.746 27.470 69.968 ? ? ? C6C A1KUD 46 A1KUD N6C N8 N 0 1 N N N N N N 22.217 26.274 70.220 ? ? ? N6C A1KUD 47 A1KUD N1C N9 N 0 1 Y N N N N N 22.736 28.412 70.948 ? ? ? N1C A1KUD 48 A1KUD C2C C20 C 0 1 Y N N N N N 23.275 29.611 70.693 ? ? ? C2C A1KUD 49 A1KUD N3C N10 N 0 1 Y N N N N N 23.849 30.047 69.575 ? ? ? N3C A1KUD 50 A1KUD C4C C21 C 0 1 Y N N N N N 23.852 29.096 68.619 ? ? ? C4C A1KUD 51 A1KUD C52 C22 C 0 1 N N N N N N 28.249 30.599 66.328 ? ? ? C52 A1KUD 52 A1KUD C46 C23 C 0 1 N N N N N N 16.232 34.768 63.531 ? ? ? C46 A1KUD 53 A1KUD H1 H1 H 0 1 N N N N N N 7.748 32.535 63.886 ? ? ? H1 A1KUD 54 A1KUD H2 H2 H 0 1 N N N N N N 10.687 28.850 63.221 ? ? ? H2 A1KUD 55 A1KUD H3 H3 H 0 1 N N N N N N 12.075 28.798 62.082 ? ? ? H3 A1KUD 56 A1KUD H4 H4 H 0 1 N N N N N N 12.366 28.761 63.854 ? ? ? H4 A1KUD 57 A1KUD H5 H5 H 0 1 N N N N N N 13.905 30.901 62.751 ? ? ? H5 A1KUD 58 A1KUD H6 H6 H 0 1 N N N N N N 8.926 35.766 63.745 ? ? ? H6 A1KUD 59 A1KUD H7 H7 H 0 1 N N N N N N 7.562 34.720 63.956 ? ? ? H7 A1KUD 60 A1KUD H8 H8 H 0 1 N N N N N N 15.180 33.322 66.567 ? ? ? H8 A1KUD 61 A1KUD H9 H9 H 0 1 N N N N N N 13.287 34.538 62.204 ? ? ? H9 A1KUD 62 A1KUD H10 H10 H 0 1 N N N N N N 13.259 34.426 64.895 ? ? ? H10 A1KUD 63 A1KUD H11 H11 H 0 1 N N N N N N 14.544 32.150 64.667 ? ? ? H11 A1KUD 64 A1KUD H12 H12 H 0 1 N N N N N N 17.321 32.455 62.044 ? ? ? H12 A1KUD 65 A1KUD H13 H13 H 0 1 N N N N N N 17.905 32.667 63.729 ? ? ? H13 A1KUD 66 A1KUD H14 H14 H 0 1 N N N N N N 15.631 28.423 62.083 ? ? ? H14 A1KUD 67 A1KUD H15 H15 H 0 1 N N N N N N 21.068 28.245 62.587 ? ? ? H15 A1KUD 68 A1KUD H16 H16 H 0 1 N N N N N N 18.570 30.978 66.398 ? ? ? H16 A1KUD 69 A1KUD H17 H17 H 0 1 N N N N N N 22.285 33.214 65.597 ? ? ? H17 A1KUD 70 A1KUD H18 H18 H 0 1 N N N N N N 22.431 32.460 63.973 ? ? ? H18 A1KUD 71 A1KUD H19 H19 H 0 1 N N N N N N 24.616 32.785 65.220 ? ? ? H19 A1KUD 72 A1KUD H20 H20 H 0 1 N N N N N N 23.691 30.005 64.398 ? ? ? H20 A1KUD 73 A1KUD H22 H22 H 0 1 N N N N N N 25.882 29.222 65.130 ? ? ? H22 A1KUD 74 A1KUD H23 H23 H 0 1 N N N N N N 25.824 30.677 67.475 ? ? ? H23 A1KUD 75 A1KUD H24 H24 H 0 1 N N N N N N 24.411 27.716 65.749 ? ? ? H24 A1KUD 76 A1KUD H25 H25 H 0 1 N N N N N N 21.870 26.253 71.158 ? ? ? H25 A1KUD 77 A1KUD H26 H26 H 0 1 N N N N N N 21.466 26.101 69.583 ? ? ? H26 A1KUD 78 A1KUD H27 H27 H 0 1 N N N N N N 23.239 30.321 71.506 ? ? ? H27 A1KUD 79 A1KUD H28 H28 H 0 1 N N N N N N 29.198 31.154 66.287 ? ? ? H28 A1KUD 80 A1KUD H29 H29 H 0 1 N N N N N N 27.828 30.667 67.342 ? ? ? H29 A1KUD 81 A1KUD H30 H30 H 0 1 N N N N N N 28.430 29.544 66.076 ? ? ? H30 A1KUD 82 A1KUD H31 H31 H 0 1 N N N N N N 17.010 34.926 64.292 ? ? ? H31 A1KUD 83 A1KUD H32 H32 H 0 1 N N N N N N 16.565 35.193 62.573 ? ? ? H32 A1KUD 84 A1KUD P4 P4 P 0 1 N N N N N N ? ? ? ? ? ? P4 A1KUD 85 A1KUD O2 O17 O 0 1 N N N N N N ? ? ? ? ? ? O2 A1KUD 86 A1KUD O3 O18 O 0 1 N N N N N N ? ? ? ? ? ? O3 A1KUD 87 A1KUD O1 O19 O 0 1 N N N N N N ? ? ? ? ? ? O1 A1KUD 88 A1KUD C11 C24 C 0 1 N N N N N N ? ? ? ? ? ? C11 A1KUD 89 A1KUD N4 N11 N 0 1 Y N N N N N ? ? ? ? ? ? N4 A1KUD 90 A1KUD C13 C25 C 0 1 Y N N N N N ? ? ? ? ? ? C13 A1KUD 91 A1KUD C14 C26 C 0 1 Y N N N N N ? ? ? ? ? ? C14 A1KUD 92 A1KUD N5 N12 N 0 1 Y N N N N N ? ? ? ? ? ? N5 A1KUD 93 A1KUD C16 C27 C 0 1 Y N N N N N ? ? ? ? ? ? C16 A1KUD 94 A1KUD C17 C28 C 0 1 N N N N N N ? ? ? ? ? ? C17 A1KUD 95 A1KUD N6 N13 N 0 1 N N N N N N ? ? ? ? ? ? N6 A1KUD 96 A1KUD C19 C29 C 0 1 N N N N N N ? ? ? ? ? ? C19 A1KUD 97 A1KUD N8 N14 N 0 1 N N N N N N ? ? ? ? ? ? N8 A1KUD 98 A1KUD O4 O20 O 0 1 N N N N N N ? ? ? ? ? ? O4 A1KUD 99 A1KUD N10 N15 N 0 1 N N N N N N ? ? ? ? ? ? N10 A1KUD 100 A1KUD H33 H33 H 0 1 N N N N N N ? ? ? ? ? ? H33 A1KUD 101 A1KUD H35 H35 H 0 1 N N N N N N ? ? ? ? ? ? H35 A1KUD 102 A1KUD H36 H36 H 0 1 N N N N N N ? ? ? ? ? ? H36 A1KUD 103 A1KUD H37 H37 H 0 1 N N N N N N ? ? ? ? ? ? H37 A1KUD 104 A1KUD H38 H38 H 0 1 N N N N N N ? ? ? ? ? ? H38 A1KUD 105 A1KUD H39 H39 H 0 1 N N N N N N ? ? ? ? ? ? H39 A1KUD 106 A1KUD H40 H40 H 0 1 N N N N N N ? ? ? ? ? ? H40 A1KUD 107 # 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 A1KUD O12 P1 DOUB N N 1 A1KUD O22 P2 DOUB N N 2 A1KUD O4A C1A SING N N 3 A1KUD O4A C4A SING N N 4 A1KUD P1 O11 SING N N 5 A1KUD P1 O13 SING N N 6 A1KUD P1 O15 SING N N 7 A1KUD P2 O13 SING N N 8 A1KUD P2 O21 SING N N 9 A1KUD P2 O23 SING N N 10 A1KUD C1A N9 SING N N 11 A1KUD C1A C2A SING N N 12 A1KUD C8 N9 DOUB Y N 13 A1KUD C8 N7 SING Y N 14 A1KUD N9 C4 SING Y N 15 A1KUD C7 N7 SING N N 16 A1KUD N7 C5 SING Y N 17 A1KUD C5A C4A SING N N 18 A1KUD C5A O15 SING N N 19 A1KUD C4 C5 DOUB Y N 20 A1KUD C4 N3 SING N N 21 A1KUD O3B C3B SING N N 22 A1KUD C5 C6 SING N N 23 A1KUD N3 C2 DOUB N N 24 A1KUD C4A C46 SING N N 25 A1KUD C4A C3A SING N N 26 A1KUD C6 O6 DOUB N N 27 A1KUD C6 N1 SING N N 28 A1KUD C46 O2A SING N N 29 A1KUD C2 N1 SING N N 30 A1KUD C2 N2 SING N N 31 A1KUD O23 P3 SING N N 32 A1KUD O2A C2A SING N N 33 A1KUD C2A C3A SING N N 34 A1KUD C3B C4B SING N N 35 A1KUD C3B C2B SING N N 36 A1KUD C3A O3A SING N N 37 A1KUD C5B C4B SING N N 38 A1KUD C5B O33 SING N N 39 A1KUD S2B C2B SING N N 40 A1KUD S2B C52 SING N N 41 A1KUD P3 O31 DOUB N N 42 A1KUD P3 O33 SING N N 43 A1KUD P3 O32 SING N N 44 A1KUD C4B O4B SING N N 45 A1KUD C2B C1B SING N N 46 A1KUD O4B C1B SING N N 47 A1KUD C8C N9C SING Y N 48 A1KUD C8C N7C DOUB Y N 49 A1KUD C1B N9C SING N N 50 A1KUD N9C C4C SING Y N 51 A1KUD N7C C5C SING Y N 52 A1KUD C4C C5C DOUB Y N 53 A1KUD C4C N3C SING Y N 54 A1KUD C5C C6C SING Y N 55 A1KUD N3C C2C DOUB Y N 56 A1KUD C6C N6C SING N N 57 A1KUD C6C N1C DOUB Y N 58 A1KUD C2C N1C SING Y N 59 A1KUD N1 H1 SING N N 60 A1KUD C7 H2 SING N N 61 A1KUD C7 H3 SING N N 62 A1KUD C7 H4 SING N N 63 A1KUD C8 H5 SING N N 64 A1KUD N2 H6 SING N N 65 A1KUD N2 H7 SING N N 66 A1KUD O3A H8 SING N N 67 A1KUD C1A H9 SING N N 68 A1KUD C2A H10 SING N N 69 A1KUD C3A H11 SING N N 70 A1KUD C5A H12 SING N N 71 A1KUD C5A H13 SING N N 72 A1KUD O11 H14 SING N N 73 A1KUD O21 H15 SING N N 74 A1KUD O32 H16 SING N N 75 A1KUD C5B H17 SING N N 76 A1KUD C5B H18 SING N N 77 A1KUD C4B H19 SING N N 78 A1KUD C3B H20 SING N N 79 A1KUD C2B H22 SING N N 80 A1KUD C1B H23 SING N N 81 A1KUD C8C H24 SING N N 82 A1KUD N6C H25 SING N N 83 A1KUD N6C H26 SING N N 84 A1KUD C2C H27 SING N N 85 A1KUD C52 H28 SING N N 86 A1KUD C52 H29 SING N N 87 A1KUD C52 H30 SING N N 88 A1KUD C46 H31 SING N N 89 A1KUD C46 H32 SING N N 90 A1KUD O3B P4 SING N N 91 A1KUD P4 O2 SING N N 92 A1KUD P4 O3 DOUB N N 93 A1KUD P4 O1 SING N N 94 A1KUD O1 C11 SING N N 95 A1KUD C11 N4 SING N N 96 A1KUD N4 C13 SING Y N 97 A1KUD C13 C14 DOUB Y N 98 A1KUD C14 N5 SING Y N 99 A1KUD N5 C16 DOUB Y N 100 A1KUD C16 N4 SING Y N 101 A1KUD C14 C17 SING N N 102 A1KUD C17 N6 SING N N 103 A1KUD N6 C19 SING N N 104 A1KUD C19 N8 DOUB N N 105 A1KUD N8 C13 SING N N 106 A1KUD C17 O4 DOUB N N 107 A1KUD C19 N10 SING N N 108 A1KUD O2 H33 SING N N 109 A1KUD C11 H35 SING N N 110 A1KUD C11 H36 SING N N 111 A1KUD C16 H37 SING N N 112 A1KUD N6 H38 SING N N 113 A1KUD N10 H39 SING N N 114 A1KUD N10 H40 SING N N 115 # 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 A1KUD InChI InChI 1.06 "InChI=1S/C29H38N15O20P4S/c1-41-9-44(22-14(41)24(47)40-28(32)38-22)25-16-18(45)29(61-25,4-56-16)5-58-67(52,53)64-68(54,55)63-66(50,51)57-3-11-15(17(69-2)26(60-11)43-8-36-12-19(30)33-6-34-20(12)43)62-65(48,49)59-10-42-7-35-13-21(42)37-27(31)39-23(13)46/h6-9,11,15-18,25-26,45H,3-5,10H2,1-2H3,(H,48,49)(H,50,51)(H,52,53)(H,54,55)(H2,30,33,34)(H3,31,37,39,46)(H3,32,38,40,47)/t11-,15-,16-,17-,18+,25-,26-,29-/m1/s1" A1KUD InChIKey InChI 1.06 DNWHKRAGVUKBCS-XXNIHJBTSA-N A1KUD SMILES_CANONICAL CACTVS 3.385 "CS[C@@H]1[C@H](O[P](O)(=O)OCn2cnc3C(=O)NC(=Nc23)N)[C@@H](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[C@]45CO[C@H]([C@@H]4O)[C@@H](O5)[n]6cn(C)c7C(=O)NC(=Nc67)N)O[C@H]1n8cnc9c(N)ncnc89" A1KUD SMILES CACTVS 3.385 "CS[CH]1[CH](O[P](O)(=O)OCn2cnc3C(=O)NC(=Nc23)N)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[C]45CO[CH]([CH]4O)[CH](O5)[n]6cn(C)c7C(=O)NC(=Nc67)N)O[CH]1n8cnc9c(N)ncnc89" A1KUD SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CN1C=[N](C2=C1C(=O)NC(=N2)N)[C@H]3[C@H]4[C@@H]([C@@](O3)(CO4)COP(=O)(O)OP(=O)(O)OP(=O)(O)OC[C@@H]5[C@H]([C@H]([C@@H](O5)n6cnc7c6ncnc7N)SC)OP(=O)(O)OCn8cnc9c8N=C(NC9=O)N)O" A1KUD SMILES "OpenEye OEToolkits" 2.0.7 "CN1C=[N](C2=C1C(=O)NC(=N2)N)C3C4C(C(O3)(CO4)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC5C(C(C(O5)n6cnc7c6ncnc7N)SC)OP(=O)(O)OCn8cnc9c8N=C(NC9=O)N)O" # _pdbx_chem_comp_identifier.comp_id A1KUD _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~{R},4~{R},5~{R})-5-(6-aminopurin-9-yl)-2-[[[[[(1~{R},3~{R},4~{R},7~{S})-3-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)-7-oxidanyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-4-methylsulfanyl-oxolan-3-yl] (2-azanyl-6-oxidanylidene-1~{H}-purin-9-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 A1KUD "Create component" 2026-10-07 PDBE A1KUD "Initial release" 2026-10-14 RCSB #