data_BKG # _chem_comp.id BKG _chem_comp.name "bis-molybdopterin guanine dinucleotide dioxo molybdenum" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C40 H48 Mo N20 O28 P4 S4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge ? _chem_comp.pdbx_initial_date 2026-04-20 _chem_comp.pdbx_modified_date 2026-08-07 _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 1605.021 _chem_comp.one_letter_code ? _chem_comp.three_letter_code ? _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag N _chem_comp.pdbx_ideal_coordinates_details MetalCoord _chem_comp.pdbx_ideal_coordinates_missing_flag N _chem_comp.pdbx_model_coordinates_db_code 1E5V _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _chem_comp.pdbx_pcm Y _chem_comp.pdbx_comp_type "metal-containing ligand" # 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 BKG PB P1 P 0 1 N N N N N N 37.911 52.387 35.687 10.061 0.732 -0.221 PB BKG 1 BKG O1B O1 O 0 1 N N N N N N 39.201 51.831 36.637 9.659 2.030 -0.807 O1B BKG 2 BKG O2B O2 O 0 1 N N N N N N 36.676 53.234 36.403 10.517 -0.284 -1.259 O2B BKG 3 BKG O3B O3 O 0 1 N N N N N N 37.308 51.027 35.038 8.769 0.057 0.432 O3B BKG 4 BKG O3A O4 O 0 1 N N N N N N 36.069 48.775 34.439 6.272 -0.406 0.766 O3A BKG 5 BKG PA P2 P 0 1 N N N N N N 36.373 50.374 33.874 7.453 -0.483 -0.296 PA BKG 6 BKG O1A O5 O 0 1 N N N N N N 37.440 50.354 32.553 7.717 -1.839 -0.824 O1A BKG 7 BKG O2A O6 O 0 1 N N N N N N 35.016 51.319 33.655 7.196 0.556 -1.383 O2A BKG 8 BKG "O5'" O7 O 0 1 N N N N N N 38.582 53.129 34.242 11.204 0.809 0.883 "O5'" BKG 9 BKG "C5'" C1 C 0 1 N N N N N N 37.981 54.307 33.850 12.387 1.615 0.639 "C5'" BKG 10 BKG "C4'" C2 C 0 1 N N R N N N 39.142 55.177 33.266 13.580 1.067 1.395 "C4'" BKG 11 BKG "O4'" O8 O 0 1 N N N N N N 38.600 56.412 32.833 13.658 -0.366 1.208 "O4'" BKG 12 BKG "C3'" C3 C 0 1 N N S N N N 40.086 55.480 34.412 14.954 1.624 0.976 "C3'" BKG 13 BKG "O3'" O9 O 0 1 N N N N N N 41.343 55.007 34.031 15.690 2.011 2.133 "O3'" BKG 14 BKG "C2'" C4 C 0 1 N N R N N N 39.985 56.986 34.562 15.600 0.462 0.202 "C2'" BKG 15 BKG "O2'" O10 O 0 1 N N N N N N 41.204 57.575 34.868 17.011 0.473 0.288 "O2'" BKG 16 BKG "C1'" C5 C 0 1 N N R N N N 39.586 57.377 33.139 14.996 -0.753 0.912 "C1'" BKG 17 BKG N9 N1 N 0 1 Y N N N N N 38.840 58.617 33.096 14.989 -1.982 0.112 N9 BKG 18 BKG C8 C6 C 0 1 Y N N N N N 38.068 59.167 34.080 13.936 -2.565 -0.551 C8 BKG 19 BKG N7 N2 N 0 1 Y N N N N N 37.549 60.350 33.695 14.253 -3.672 -1.180 N7 BKG 20 BKG C5 C7 C 0 1 Y N N N N N 37.992 60.531 32.413 15.608 -3.843 -0.921 C5 BKG 21 BKG C6 C8 C 0 1 N N N N N N 37.802 61.528 31.474 16.561 -4.861 -1.319 C6 BKG 22 BKG O6 O11 O 0 1 N N N N N N 37.112 62.544 31.588 16.257 -5.811 -2.016 O6 BKG 23 BKG N1 N3 N 0 1 N N N N N N 38.408 61.425 30.275 17.856 -4.779 -0.913 N1 BKG 24 BKG C2 C9 C 0 1 N N N N N N 39.207 60.380 29.956 18.256 -3.768 -0.151 C2 BKG 25 BKG N2 N4 N 0 1 N N N N N N 39.806 60.322 28.687 19.532 -3.698 0.241 N2 BKG 26 BKG N3 N5 N 0 1 N N N N N N 39.378 59.376 30.865 17.404 -2.784 0.254 N3 BKG 27 BKG C4 C10 C 0 1 Y N N N N N 38.766 59.481 32.069 16.076 -2.802 -0.120 C4 BKG 28 BKG C10 C11 C 0 1 N N N N N N 34.921 48.660 35.228 4.898 -0.647 0.384 C10 BKG 29 BKG C11 C12 C 0 1 N N R N N N 34.468 47.206 34.912 4.017 -1.028 1.582 C11 BKG 30 BKG O11 O12 O 0 1 N N N N N N 35.346 46.316 35.566 4.373 -0.229 2.735 O11 BKG 31 BKG C12 C13 C 0 1 N N N N N N 33.047 47.003 35.430 2.526 -0.954 1.293 C12 BKG 32 BKG S12 S1 S -1 1 N N N N N N 31.990 48.456 35.477 1.854 -1.767 -0.017 S12 BKG 33 BKG C13 C14 C 0 1 N N N N N N 32.777 45.981 36.296 1.699 -0.311 2.133 C13 BKG 34 BKG S13 S2 S -1 1 N N N N N N 31.152 45.777 37.008 0.080 -0.739 2.263 S13 BKG 35 BKG C14 C15 C 0 1 N N R N N N 33.660 44.779 36.223 2.155 0.917 2.910 C14 BKG 36 BKG N15 N6 N 0 1 N N N N N N 33.952 44.244 37.528 1.591 2.051 2.181 N15 BKG 37 BKG C16 C16 C 0 1 N N N N N N 34.853 43.150 37.586 2.351 2.924 1.428 C16 BKG 38 BKG C17 C17 C 0 1 N N N N N N 34.789 42.162 38.588 1.727 3.874 0.541 C17 BKG 39 BKG O17 O13 O 0 1 N N N N N N 33.923 42.241 39.468 0.523 3.966 0.339 O17 BKG 40 BKG N18 N7 N 0 1 N N N N N N 35.694 41.152 38.586 2.604 4.703 -0.149 N18 BKG 41 BKG C19 C18 C 0 1 N N N N N N 36.626 41.094 37.635 3.958 4.640 0.025 C19 BKG 42 BKG N19 N8 N 0 1 N N N N N N 37.573 40.053 37.591 4.715 5.480 -0.674 N19 BKG 43 BKG N20 N9 N 0 1 N N N N N N 36.692 42.032 36.641 4.543 3.777 0.860 N20 BKG 44 BKG C21 C19 C 0 1 N N N N N N 35.824 43.081 36.599 3.750 2.935 1.568 C21 BKG 45 BKG N22 N10 N 0 1 N N N N N N 35.920 44.051 35.554 4.386 2.065 2.401 N22 BKG 46 BKG C23 C20 C 0 1 N N R N N N 34.871 45.023 35.310 3.706 0.990 3.124 C23 BKG 47 BKG MO MO1 MO ? 0 N N N N N N 29.868 47.864 36.779 -0.509 -1.984 0.310 MO BKG 48 BKG OT1 O27 O -2 1 N N N N N N 29.983 47.246 35.062 0.540 -3.519 0.960 OT1 BKG 49 BKG OT2 O28 O -2 1 N N N N N N 29.267 49.371 36.036 -0.819 -2.918 -1.396 OT2 BKG 50 BKG PB1 P3 P 0 1 N N N N N N 31.084 42.669 44.392 -10.480 -0.365 0.782 PB1 BKG 51 BKG O2 O15 O 0 1 N N N N N N 31.711 42.039 42.935 -10.632 -1.531 -0.116 O2 BKG 52 BKG O1 O14 O 0 1 N N N N N N 32.218 43.565 45.297 -10.286 -0.746 2.247 O1 BKG 53 BKG O3 O16 O 0 1 N N N N N N 29.935 43.721 43.971 -9.147 0.422 0.388 O3 BKG 54 BKG O4 O17 O 0 1 N N N N N N 28.344 45.503 42.880 -6.681 0.768 -0.096 O4 BKG 55 BKG PA1 P4 P 0 1 N N N N N N 28.543 43.822 43.173 -7.712 0.514 1.081 PA1 BKG 56 BKG O5 O18 O 0 1 N N N N N N 28.724 42.959 41.701 -7.743 1.563 2.123 O5 BKG 57 BKG O7 O19 O 0 1 N N N N N N 27.344 43.251 44.222 -7.460 -0.886 1.623 O7 BKG 58 BKG O8 O20 O 0 1 N N N N N N 30.394 41.395 45.287 -11.637 0.720 0.655 O8 BKG 59 BKG C1 C21 C 0 1 N N N N N N 29.605 41.756 46.354 -12.854 0.717 1.444 C1 BKG 60 BKG C3 C22 C 0 1 N N R N N N 29.840 40.611 47.374 -14.063 0.754 0.533 C3 BKG 61 BKG O9 O21 O 0 1 N N N N N N 29.586 39.384 46.765 -14.019 -0.381 -0.361 O9 BKG 62 BKG C7 C23 C 0 1 N N S N N N 31.274 40.581 47.821 -15.436 0.693 1.227 C7 BKG 63 BKG O10 O22 O 0 1 N N N N N N 31.308 40.879 49.183 -16.305 1.666 0.653 O10 BKG 64 BKG C9 C24 C 0 1 N N R N N N 31.724 39.167 47.528 -15.902 -0.755 0.995 C9 BKG 65 BKG O12 O23 O 0 1 N N N N N N 32.455 38.623 48.612 -17.310 -0.869 0.936 O12 BKG 66 BKG C15 C25 C 0 1 N N R N N N 30.401 38.414 47.409 -15.259 -1.081 -0.354 C15 BKG 67 BKG N91 N11 N 0 1 Y N N N N N 30.469 37.185 46.586 -15.014 -2.511 -0.561 N91 BKG 68 BKG C81 C26 C 0 1 Y N N N N N 31.361 36.850 45.647 -13.841 -3.213 -0.433 C81 BKG 69 BKG N71 N12 N 0 1 Y N N N N N 31.103 35.664 45.097 -13.959 -4.492 -0.694 N71 BKG 70 BKG C51 C27 C 0 1 Y N N N N N 30.003 35.208 45.711 -15.302 -4.646 -1.015 C51 BKG 71 BKG C61 C28 C 0 1 N N N N N N 29.266 34.013 45.553 -16.019 -5.812 -1.384 C61 BKG 72 BKG O61 O24 O 0 1 N N N N N N 29.537 33.100 44.771 -15.593 -6.970 -1.502 O61 BKG 73 BKG N11 N13 N 0 1 N N N N N N 28.146 33.880 46.333 -17.363 -5.531 -1.624 N11 BKG 74 BKG C22 C29 C 0 1 N N N N N N 27.795 34.827 47.262 -17.947 -4.288 -1.524 C22 BKG 75 BKG N21 N14 N 0 1 N N N N N N 26.676 34.638 48.084 -19.264 -4.205 -1.795 N21 BKG 76 BKG N31 N15 N 0 1 N N N N N N 28.541 35.945 47.403 -17.276 -3.190 -1.179 N31 BKG 77 BKG C41 C30 C 0 1 Y N N N N N 29.635 36.130 46.607 -15.966 -3.442 -0.940 C41 BKG 78 BKG C18 C31 C 0 1 N N N N N N 29.277 45.913 41.934 -5.293 1.059 0.165 C18 BKG 79 BKG C20 C32 C 0 1 N N R N N N 28.909 47.385 41.834 -4.430 0.616 -1.021 C20 BKG 80 BKG O13 O25 O 0 1 N N N N N N 29.578 48.022 42.860 -4.485 1.710 -1.963 O13 BKG 81 BKG C24 C33 C 0 1 N N N N N N 29.236 47.901 40.471 -3.024 0.192 -0.625 C24 BKG 82 BKG S1 S3 S -1 1 N N N N N N 28.716 47.114 38.940 -2.780 -1.205 0.265 S1 BKG 83 BKG C25 C34 C 0 1 N N N N N N 30.222 48.838 40.299 -1.944 0.873 -1.022 C25 BKG 84 BKG S2 S4 S -1 1 N N N N N N 30.426 49.413 38.615 -0.432 0.198 -0.741 S2 BKG 85 BKG C26 C35 C 0 1 N N R N N N 30.694 49.665 41.442 -2.057 2.231 -1.717 C26 BKG 86 BKG N4 N16 N 0 1 N N N N N N 32.083 49.257 41.722 -2.043 3.348 -0.769 N4 BKG 87 BKG C27 C36 C 0 1 N N N N N N 32.604 49.726 42.971 -2.649 4.573 -1.042 C27 BKG 88 BKG C28 C37 C 0 1 N N N N N N 33.978 49.862 43.209 -2.467 5.723 -0.186 C28 BKG 89 BKG O14 O26 O 0 1 N N N N N N 34.821 49.581 42.364 -1.781 5.754 0.830 O14 BKG 90 BKG N5 N17 N 0 1 N N N N N N 34.370 50.277 44.437 -3.130 6.875 -0.596 N5 BKG 91 BKG C29 C38 C 0 1 N N N N N N 33.487 50.601 45.429 -3.908 6.912 -1.720 C29 BKG 92 BKG N6 N18 N 0 1 N N N N N N 33.935 51.047 46.710 -4.506 8.061 -2.024 N6 BKG 93 BKG N8 N19 N 0 1 N N N N N N 32.164 50.507 45.196 -4.088 5.854 -2.514 N8 BKG 94 BKG C30 C39 C 0 1 N N N N N N 31.711 50.072 43.995 -3.456 4.698 -2.191 C30 BKG 95 BKG N10 N20 N 0 1 N N N N N N 30.293 49.976 43.830 -3.679 3.630 -3.004 N10 BKG 96 BKG C31 C40 C 0 1 N N R N N N 29.717 49.408 42.617 -3.330 2.269 -2.618 C31 BKG 97 BKG H1 H1 H 0 1 N N N N N N 36.846 53.317 37.334 11.228 -0.023 -1.719 H1 BKG 98 BKG H2 H2 H 0 1 N N N N N N 35.044 51.719 32.794 6.556 0.332 -1.953 H2 BKG 99 BKG H3 H3 H 0 1 N N N N N N 37.217 54.115 33.082 12.218 2.547 0.929 H3 BKG 100 BKG H4 H4 H 0 1 N N N N N N 37.516 54.810 34.711 12.588 1.626 -0.334 H4 BKG 101 BKG H5 H5 H 0 1 N N N N N N 39.659 54.636 32.460 13.440 1.254 2.358 H5 BKG 102 BKG H6 H6 H 0 1 N N N N N N 39.729 54.989 35.329 14.856 2.408 0.376 H6 BKG 103 BKG H7 H7 H 0 1 N N N N N N 41.969 55.177 34.725 16.390 2.424 1.915 H7 BKG 104 BKG H8 H8 H 0 1 N N N N N N 39.191 57.255 35.274 15.310 0.476 -0.746 H8 BKG 105 BKG H9 H9 H 0 1 N N N N N N 41.090 58.514 34.952 17.342 -0.044 -0.287 H9 BKG 106 BKG H10 H10 H 0 1 N N N N N N 40.446 57.365 32.454 15.506 -0.926 1.777 H10 BKG 107 BKG H11 H11 H 0 1 N N N N N N 37.895 58.712 35.044 13.069 -2.204 -0.554 H11 BKG 108 BKG H12 H12 H 0 1 N N N N N N 39.642 61.051 28.023 20.098 -4.322 -0.007 H12 BKG 109 BKG H13 H13 H 0 1 N N N N N N 40.397 59.552 28.448 19.816 -3.037 0.744 H13 BKG 110 BKG H15 H15 H 0 1 N N N N N N 35.154 48.785 36.296 4.862 -1.373 -0.277 H15 BKG 111 BKG H16 H16 H 0 1 N N N N N N 34.155 49.392 34.932 4.527 0.158 -0.038 H16 BKG 112 BKG H17 H17 H 0 1 N N N N N N 34.486 47.052 33.823 4.208 -1.980 1.790 H17 BKG 113 BKG H20 H20 H 0 1 N N N N N N 33.066 44.011 35.707 1.738 0.891 3.809 H20 BKG 114 BKG H24 H24 H 0 1 N N N N N N 38.251 40.025 36.857 5.589 5.466 -0.585 H24 BKG 115 BKG H25 H25 H 0 1 N N N N N N 37.568 39.342 38.294 4.350 6.055 -1.229 H25 BKG 116 BKG H26 H26 H 0 1 N N N N N N 36.752 44.576 35.735 5.259 2.158 2.510 H26 BKG 117 BKG H27 H27 H 0 1 N N N N N N 34.536 44.944 34.265 3.875 1.136 4.088 H27 BKG 118 BKG H14 H14 H 0 1 N N N N N N 39.943 58.580 30.647 17.720 -2.129 0.764 H14 BKG 119 BKG H21 H21 H 0 1 N N N N N N 34.339 44.984 38.078 0.733 2.194 2.216 H21 BKG 120 BKG H28 H28 H 0 1 N N N N N N 33.050 43.578 44.839 -10.184 -0.049 2.785 H28 BKG 121 BKG H29 H29 H 0 1 N N N N N N 26.916 42.497 43.834 -6.692 -0.962 2.057 H29 BKG 122 BKG H30 H30 H 0 1 N N N N N N 29.922 42.724 46.769 -12.866 1.508 2.041 H30 BKG 123 BKG H31 H31 H 0 1 N N N N N N 28.546 41.811 46.061 -12.889 -0.099 2.008 H31 BKG 124 BKG H32 H32 H 0 1 N N N N N N 29.185 40.767 48.244 -14.012 1.585 -0.004 H32 BKG 125 BKG H33 H33 H 0 1 N N N N N N 31.869 41.295 47.232 -15.355 0.864 2.202 H33 BKG 126 BKG H34 H34 H 0 1 N N N N N N 32.208 40.866 49.488 -17.017 1.727 1.097 H34 BKG 127 BKG H35 H35 H 0 1 N N N N N N 32.283 39.122 46.582 -15.534 -1.352 1.696 H35 BKG 128 BKG H36 H36 H 0 1 N N N N N N 32.724 37.737 48.400 -17.543 -1.678 0.954 H36 BKG 129 BKG H37 H37 H 0 1 N N N N N N 30.019 38.179 48.413 -15.854 -0.733 -1.103 H37 BKG 130 BKG H38 H38 H 0 1 N N N N N N 32.198 37.472 45.366 -13.026 -2.811 -0.182 H38 BKG 131 BKG H39 H39 H 0 1 N N N N N N 27.569 33.071 46.222 -17.878 -6.221 -1.862 H39 BKG 132 BKG H40 H40 H 0 1 N N N N N N 26.436 35.327 48.768 -19.668 -3.427 -1.740 H40 BKG 133 BKG H41 H41 H 0 1 N N N N N N 26.118 33.814 47.987 -19.727 -4.914 -2.024 H41 BKG 134 BKG H42 H42 H 0 1 N N N N N N 30.309 45.772 42.288 -4.999 0.592 0.977 H42 BKG 135 BKG H43 H43 H 0 1 N N N N N N 29.144 45.391 40.975 -5.173 2.023 0.312 H43 BKG 136 BKG H44 H44 H 0 1 N N N N N N 27.823 47.474 41.985 -4.861 -0.180 -1.431 H44 BKG 137 BKG H46 H46 H 0 1 N N N N N N 30.660 50.731 41.172 -1.277 2.333 -2.320 H46 BKG 138 BKG H51 H51 H 0 1 N N N N N N 33.270 51.284 47.418 -5.013 8.119 -2.739 H51 BKG 139 BKG H52 H52 H 0 1 N N N N N N 34.914 51.122 46.899 -4.400 8.769 -1.515 H52 BKG 140 BKG H53 H53 H 0 1 N N N N N N 28.746 49.874 42.393 -3.153 1.755 -3.443 H53 BKG 141 BKG H47 H47 H 0 1 N N N N N N 32.120 48.258 41.725 -1.641 3.255 -0.003 H47 BKG 142 BKG H50 H50 H 0 1 N N N N N N 35.349 50.350 44.627 -3.047 7.603 -0.109 H50 BKG 143 BKG H18 H18 H 0 1 N N N N N N 35.662 40.451 39.298 2.271 5.291 -0.712 H18 BKG 144 BKG H22 H22 H 0 1 N N N N N N 29.954 49.424 44.592 -4.047 3.774 -3.795 H22 BKG 145 # 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 _chem_comp_bond.pdbx_metal_coordination_flag _chem_comp_bond.pdbx_metal_pi_flag BKG PB O3B SING N N 1 N N BKG PB "O5'" SING N N 2 N N BKG PB O1B DOUB N N 3 N N BKG PB O2B SING N N 4 N N BKG O3B PA SING N N 5 N N BKG O3A C10 SING N N 6 N N BKG O3A PA SING N N 7 N N BKG PA O1A DOUB N N 8 N N BKG PA O2A SING N N 9 N N BKG "O5'" "C5'" SING N N 10 N N BKG "C5'" "C4'" SING N N 11 N N BKG "C4'" "O4'" SING N N 12 N N BKG "C4'" "C3'" SING N N 13 N N BKG "O4'" "C1'" SING N N 14 N N BKG "C3'" "O3'" SING N N 15 N N BKG "C3'" "C2'" SING N N 16 N N BKG "C2'" "C1'" SING N N 17 N N BKG "C2'" "O2'" SING N N 18 N N BKG "C1'" N9 SING N N 19 N N BKG N9 C4 SING Y N 20 N N BKG N9 C8 SING Y N 21 N N BKG C8 N7 DOUB Y N 22 N N BKG N7 C5 SING Y N 23 N N BKG C5 C6 SING N N 24 N N BKG C5 C4 DOUB Y N 25 N N BKG C6 N1 SING N N 26 N N BKG C6 O6 DOUB N N 27 N N BKG N1 C2 DOUB N N 28 N N BKG C2 N2 SING N N 29 N N BKG C2 N3 SING N N 30 N N BKG N3 C4 SING N N 31 N N BKG C10 C11 SING N N 32 N N BKG C11 O11 SING N N 33 N N BKG C11 C12 SING N N 34 N N BKG O11 C23 SING N N 35 N N BKG C12 S12 SING N N 36 N N BKG C12 C13 DOUB N N 37 N N BKG S12 MO SING N N 38 Y N BKG C13 S13 SING N N 39 N N BKG C13 C14 SING N N 40 N N BKG S13 MO SING N N 41 Y N BKG C14 C23 SING N N 42 N N BKG C14 N15 SING N N 43 N N BKG N15 C16 SING N N 44 N N BKG C16 C17 SING N N 45 N N BKG C16 C21 DOUB N N 46 N N BKG C17 N18 SING N N 47 N N BKG C17 O17 DOUB N N 48 N N BKG N18 C19 SING N N 49 N N BKG C19 N19 SING N N 50 N N BKG C19 N20 DOUB N N 51 N N BKG N20 C21 SING N N 52 N N BKG C21 N22 SING N N 53 N N BKG N22 C23 SING N N 54 N N BKG PB1 O2 DOUB N N 55 N N BKG PB1 O3 SING N N 56 N N BKG PB1 O8 SING N N 57 N N BKG PB1 O1 SING N N 58 N N BKG O3 PA1 SING N N 59 N N BKG O4 C18 SING N N 60 N N BKG O4 PA1 SING N N 61 N N BKG PA1 O5 DOUB N N 62 N N BKG PA1 O7 SING N N 63 N N BKG O8 C1 SING N N 64 N N BKG C1 C3 SING N N 65 N N BKG C3 O9 SING N N 66 N N BKG C3 C7 SING N N 67 N N BKG O9 C15 SING N N 68 N N BKG C7 C9 SING N N 69 N N BKG C7 O10 SING N N 70 N N BKG C9 C15 SING N N 71 N N BKG C9 O12 SING N N 72 N N BKG C15 N91 SING N N 73 N N BKG N91 C41 SING Y N 74 N N BKG N91 C81 SING Y N 75 N N BKG C81 N71 DOUB Y N 76 N N BKG N71 C51 SING Y N 77 N N BKG C51 C61 SING N N 78 N N BKG C51 C41 DOUB Y N 79 N N BKG C61 O61 DOUB N N 80 N N BKG C61 N11 SING N N 81 N N BKG N11 C22 SING N N 82 N N BKG C22 N21 SING N N 83 N N BKG C22 N31 DOUB N N 84 N N BKG N31 C41 SING N N 85 N N BKG C18 C20 SING N N 86 N N BKG C20 C24 SING N N 87 N N BKG C20 O13 SING N N 88 N N BKG O13 C31 SING N N 89 N N BKG C24 S1 SING N N 90 N N BKG C24 C25 DOUB N N 91 N N BKG S1 MO SING N N 92 Y N BKG C25 S2 SING N N 93 N N BKG C25 C26 SING N N 94 N N BKG S2 MO SING N N 95 Y N BKG C26 N4 SING N N 96 N N BKG C26 C31 SING N N 97 N N BKG N4 C27 SING N N 98 N N BKG C27 C28 SING N N 99 N N BKG C27 C30 DOUB N N 100 N N BKG C28 O14 DOUB N N 101 N N BKG C28 N5 SING N N 102 N N BKG N5 C29 SING N N 103 N N BKG C29 N6 SING N N 104 N N BKG C29 N8 DOUB N N 105 N N BKG N8 C30 SING N N 106 N N BKG C30 N10 SING N N 107 N N BKG N10 C31 SING N N 108 N N BKG MO OT1 DOUB N N 109 Y N BKG MO OT2 DOUB N N 110 Y N BKG O2B H1 SING N N 111 N N BKG O2A H2 SING N N 112 N N BKG "C5'" H3 SING N N 113 N N BKG "C5'" H4 SING N N 114 N N BKG "C4'" H5 SING N N 115 N N BKG "C3'" H6 SING N N 116 N N BKG "O3'" H7 SING N N 117 N N BKG "C2'" H8 SING N N 118 N N BKG "O2'" H9 SING N N 119 N N BKG "C1'" H10 SING N N 120 N N BKG C8 H11 SING N N 121 N N BKG N2 H12 SING N N 122 N N BKG N2 H13 SING N N 123 N N BKG N3 H14 SING N N 124 N N BKG C10 H15 SING N N 125 N N BKG C10 H16 SING N N 126 N N BKG C11 H17 SING N N 127 N N BKG C14 H20 SING N N 128 N N BKG N15 H21 SING N N 129 N N BKG N19 H24 SING N N 130 N N BKG N19 H25 SING N N 131 N N BKG N22 H26 SING N N 132 N N BKG C23 H27 SING N N 133 N N BKG O1 H28 SING N N 134 N N BKG O7 H29 SING N N 135 N N BKG C1 H30 SING N N 136 N N BKG C1 H31 SING N N 137 N N BKG C3 H32 SING N N 138 N N BKG C7 H33 SING N N 139 N N BKG O10 H34 SING N N 140 N N BKG C9 H35 SING N N 141 N N BKG O12 H36 SING N N 142 N N BKG C15 H37 SING N N 143 N N BKG C81 H38 SING N N 144 N N BKG N11 H39 SING N N 145 N N BKG N21 H40 SING N N 146 N N BKG N21 H41 SING N N 147 N N BKG C18 H42 SING N N 148 N N BKG C18 H43 SING N N 149 N N BKG C20 H44 SING N N 150 N N BKG C26 H46 SING N N 151 N N BKG N4 H47 SING N N 152 N N BKG N5 H50 SING N N 153 N N BKG N6 H51 SING N N 154 N N BKG N6 H52 SING N N 155 N N BKG C31 H53 SING N N 156 N N BKG H18 N18 SING N N 157 N N BKG H22 N10 SING N N 158 N N # 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 BKG InChI InChI 1.06 "InChI=1S/2C20H26N10O13P2S2.Mo.2O/c2*21-19-26-13-7(15(33)28-19)24-6-12(47)11(46)5(41-17(6)25-13)2-40-45(37,38)43-44(35,36)39-1-4-9(31)10(32)18(42-4)30-3-23-8-14(30)27-20(22)29-16(8)34;;;/h2*3-6,9-10,17-18,24,31-32,46-47H,1-2H2,(H,35,36)(H,37,38)(H3,22,27,29,34)(H4,21,25,26,28,33);;;/q;;+4;;/p-4/t2*4-,5-,6+,9-,10-,17-,18-;;;/m11.../s1" BKG InChIKey InChI 1.06 BINXIZOEMHRYMB-XBFBQCSYSA-J BKG SMILES_CANONICAL CACTVS 3.385 "NC1=NC2=C(N[C@@H]3[C@H](N2)O[C@H](CO[P](O)(=O)O[P](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6C(=O)N=C(N)Nc56)C7=C3S[Mo]8(=O)(=O)(S7)SC9=C(S8)[C@@H]%10NC%11=C(N[C@@H]%10O[C@@H]9CO[P](O)(=O)O[P](O)(=O)OC[C@H]%12O[C@H]([C@H](O)[C@@H]%12O)n%13cnc%14C(=O)NC(=Nc%13%14)N)N=C(N)NC%11=O)C(=O)N1" BKG SMILES CACTVS 3.385 "NC1=NC2=C(N[CH]3[CH](N2)O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6C(=O)N=C(N)Nc56)C7=C3S[Mo]8(=O)(=O)(S7)SC9=C(S8)[CH]%10NC%11=C(N[CH]%10O[CH]9CO[P](O)(=O)O[P](O)(=O)OC[CH]%12O[CH]([CH](O)[CH]%12O)n%13cnc%14C(=O)NC(=Nc%13%14)N)N=C(N)NC%11=O)C(=O)N1" BKG SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)OP(=O)(O)OC[C@@H]4C5=C([C@H]6[C@@H](O4)NC7=C(N6)C(=O)NC(=N7)N)S[Mo]8(=O)(=O)(S5)SC9=C(S8)[C@H]1[C@H](NC3=C(N1)C(=O)NC(=N3)N)O[C@@H]9COP(=O)(O)OP(=O)(O)OC[C@@H]1[C@H]([C@H]([C@@H](O1)n1cnc3c1N=C(NC3=O)N)O)O)O)O)NC(=NC2=O)N" BKG SMILES "OpenEye OEToolkits" 2.0.7 "c1nc2c(n1C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C5=C(C6C(O4)NC7=C(N6)C(=O)NC(=N7)N)S[Mo]8(=O)(=O)(S5)SC9=C(S8)C1C(NC3=C(N1)C(=O)NC(=N3)N)OC9COP(=O)(O)OP(=O)(O)OCC1C(C(C(O1)n1cnc3c1N=C(NC3=O)N)O)O)O)O)NC(=NC2=O)N" # _pdbx_chem_comp_identifier.comp_id BKG _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-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [(1~{R},1'~{R},10~{R},10'~{R},16~{R},16'~{R})-5,5'-bis(azanyl)-16-[[[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-7,7',13,13-tetrakis(oxidanylidene)-13,13'-spirobi[17-oxa-12,14-dithia-2,4,6,9-tetraza-13$l^{8}-molybdatetracyclo[8.7.0.0^{3,8}.0^{11,15}]heptadeca-3(8),4,11(15)-triene]-16'-yl]methyl hydrogen phosphate ; # _pdbx_chem_comp_atom_coordination.geometry_id 1 _pdbx_chem_comp_atom_coordination.comp_id BKG _pdbx_chem_comp_atom_coordination.atom_id MO _pdbx_chem_comp_atom_coordination.number 6 _pdbx_chem_comp_atom_coordination.geometry_calculated trigonal-prism _pdbx_chem_comp_atom_coordination.geometry_generic "trigonal prismatic" _pdbx_chem_comp_atom_coordination.geometry_abbr TRP _pdbx_chem_comp_atom_coordination.provenance MetalCoord _pdbx_chem_comp_atom_coordination.representative_entry_id 1E61 # _pdbx_chem_comp_atom_coordination_sphere.id 1 _pdbx_chem_comp_atom_coordination_sphere.geometry_id 1 _pdbx_chem_comp_atom_coordination_sphere.comp_id BKG _pdbx_chem_comp_atom_coordination_sphere.atom_id MO _pdbx_chem_comp_atom_coordination_sphere.descriptor "@TRP{Mo,O,O,S,S,S,S}" _pdbx_chem_comp_atom_coordination_sphere.provenance MetalCoord _pdbx_chem_comp_atom_coordination_sphere.representative_entry_id 1E61 # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id BKG _pdbx_chem_comp_pcm.modified_residue_id SER _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Metal coordination" _pdbx_chem_comp_pcm.polypeptide_position "Any position" _pdbx_chem_comp_pcm.comp_id_linking_atom MO _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 ? _pdbx_chem_comp_pcm.position "Amino-acid side chain" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site BKG "Create component" 2026-04-20 RCSB BKG "Other modification" 2026-07-31 RCSB BKG "Initial release" 2026-08-12 RCSB #