C19 H25 Cu Mo N8 O15 P2 S3 923.075 CuSMo(=O)OH pterin N metal-containing ligand MetalCoord N 2026-04-20 1N5W N 2026-08-07 RCSB REL HETAIN non-polymer CU1 99.297 141.877 146.260 0 N CU DW6 2 N -0.509 2.419 6.629 1 non-polymer 1 N CU S1 -2 98.262 143.731 145.639 1 N S DW6 2 N -1.832 1.262 5.224 2 non-polymer 1 N S MO1 97.339 144.868 147.377 0 N MO DW6 2 N -1.246 0.716 2.854 3 non-polymer 1 N MO O1 -1 98.261 143.926 148.726 1 N OM2 DW6 2 N -2.647 -0.235 2.717 4 non-polymer 1 N O O2 -2 98.019 146.437 147.384 1 N OM1 DW6 2 N -0.394 -0.655 3.386 5 non-polymer 1 N O N1 0 85.201 146.783 155.075 1 N N1 DW6 2 N -5.056 -0.006 0.775 6 non-polymer 2 N N C1 0 84.025 146.702 155.829 1 N C2 DW6 2 N -5.893 0.278 1.865 7 non-polymer 2 N C N2 0 84.009 145.626 156.692 1 N N3 DW6 2 N -6.079 1.570 2.231 8 non-polymer 2 N N C2 0 84.983 144.654 156.795 1 N C4 DW6 2 N -5.481 2.568 1.566 9 non-polymer 2 N C C3 0 86.133 144.756 155.904 1 N C5 DW6 2 N -4.634 2.300 0.457 10 non-polymer 2 N C C4 0 86.254 145.827 155.081 1 N C6 DW6 2 N -4.454 1.019 0.101 11 non-polymer 2 N C O3 0 83.107 147.446 155.589 1 N O2 DW6 2 N -6.445 -0.647 2.476 12 non-polymer 2 N O N3 0 84.950 143.740 157.736 1 N N4 DW6 2 N -5.704 3.813 1.975 13 non-polymer 2 N N C5 0 85.434 148.102 154.331 1 N C1' DW6 2 N -4.864 -1.441 0.382 14 non-polymer 2 R C C6 0 86.658 148.864 155.000 1 N C2D DW6 2 N -5.836 -1.907 -0.717 15 non-polymer 2 R C O4 0 86.082 149.704 156.047 1 N O2' DW6 2 N -6.460 -3.115 -0.316 16 non-polymer 2 N O C7 0 87.295 149.572 153.787 1 N C3' DW6 2 N -4.915 -2.041 -1.944 17 non-polymer 2 S C C8 0 87.060 148.636 152.635 1 N C4D DW6 2 N -3.548 -2.358 -1.321 18 non-polymer 2 R C O5 0 85.946 147.735 153.043 1 N O4D DW6 2 N -3.543 -1.628 -0.076 19 non-polymer 2 N O O6 0 86.492 150.815 153.591 1 N O3' DW6 2 N -5.340 -3.082 -2.818 20 non-polymer 2 N O C9 0 88.331 147.765 152.323 1 N C5' DW6 2 N -2.341 -1.982 -2.147 21 non-polymer 2 N C O7 0 88.902 147.394 153.603 1 N O5' DW6 2 N -1.154 -2.551 -1.547 22 non-polymer 2 N O P1 0 90.006 146.239 153.709 1 N PA DW6 2 N -0.235 -3.605 -2.290 23 non-polymer 2 N P O9 0 89.416 144.907 153.270 1 N O2A DW6 2 N -0.946 -4.778 -2.842 24 non-polymer 2 N O O8 0 90.603 146.390 155.091 1 N O1A DW6 2 N 0.917 -3.955 -1.360 25 non-polymer 2 N O O10 0 91.086 146.579 152.541 1 N O3A DW6 2 N 0.426 -2.775 -3.477 26 non-polymer 2 N O P2 0 92.072 147.841 152.394 1 N PB DW6 2 N 1.539 -1.638 -3.492 27 non-polymer 2 N P O11 0 93.332 147.569 153.150 1 N O1B DW6 2 N 1.695 -1.124 -4.870 28 non-polymer 2 N O O12 0 91.269 149.078 152.651 1 N O2B DW6 2 N 2.779 -2.328 -2.938 29 non-polymer 2 N O O13 0 92.356 147.763 150.786 1 N O3B DW6 2 N 0.977 -0.587 -2.443 30 non-polymer 2 N O C10 0 93.477 147.089 150.231 1 N C10 DW6 2 N 1.790 0.356 -1.717 31 non-polymer 2 N C C11 0 92.888 146.203 149.177 1 N C9' DW6 2 N 2.061 -0.174 -0.304 32 non-polymer 2 R C C12 0 94.059 145.797 148.248 1 N C8' DW6 2 N 1.163 0.433 0.764 33 non-polymer 2 N C S2 -1 95.542 145.145 149.048 1 N S8' DW6 2 N -0.508 0.307 0.630 34 non-polymer 2 N S C13 0 94.034 145.762 146.905 1 N C7' DW6 2 N 1.673 1.070 1.844 35 non-polymer 2 N C S3 -1 95.389 145.177 145.907 1 N S7' DW6 2 N 0.672 1.886 2.911 36 non-polymer 2 N S C14 0 92.806 146.350 146.108 1 N C6' DW6 2 N 3.162 1.030 2.200 37 non-polymer 2 R C C15 0 91.679 146.345 147.075 1 N C7 DW6 2 N 3.944 0.009 1.319 38 non-polymer 2 R C O14 0 92.008 146.979 148.292 1 N O9' DW6 2 N 3.462 0.049 -0.037 39 non-polymer 2 N O N4 0 93.294 147.742 145.741 1 N N5' DW6 2 N 3.753 2.368 2.152 40 non-polymer 2 N N C16 0 92.123 148.538 145.485 1 N C4A DW6 2 N 5.106 2.572 1.936 41 non-polymer 2 N C N5 0 90.545 147.064 146.486 1 N N8' DW6 2 N 5.379 0.258 1.311 42 non-polymer 2 N N C17 0 90.814 148.210 145.748 1 N C4B DW6 2 N 5.916 1.487 1.547 43 non-polymer 2 N C N6 0 89.682 148.999 145.477 1 N N1' DW6 2 N 7.248 1.618 1.329 44 non-polymer 2 N N C18 0 89.971 150.186 144.934 1 N C2' DW6 2 N 7.803 2.815 1.535 45 non-polymer 2 N C N7 0 88.929 151.016 144.664 1 N N2' DW6 2 N 9.110 2.965 1.340 46 non-polymer 2 N N N8 0 91.239 150.631 144.738 1 N N3' DW6 2 N 7.087 3.907 1.939 47 non-polymer 2 N N C19 0 92.417 149.862 144.917 1 N C4' DW6 2 N 5.717 3.858 2.171 48 non-polymer 2 N C O15 0 93.497 150.310 144.633 1 N O4' DW6 2 N 5.124 4.869 2.532 49 non-polymer 2 N O H1 0 98.903 144.498 149.130 1 N H1 DW6 2 N -3.287 0.118 3.180 50 non-polymer 1 N H H3 0 86.886 143.981 155.900 1 N H3 DW6 2 N -4.211 2.998 -0.014 51 non-polymer 2 N H H4 0 87.122 145.950 154.450 1 N H4 DW6 2 N -3.901 0.819 -0.629 52 non-polymer 2 N H H5 0 84.205 143.736 158.403 1 N H5 DW6 2 N -6.229 3.962 2.661 53 non-polymer 2 N H H6 0 85.670 143.048 157.786 1 N H6 DW6 2 N -5.331 4.493 1.563 54 non-polymer 2 N H H7 0 84.533 148.732 154.296 1 N H7 DW6 2 N -4.997 -2.023 1.176 55 non-polymer 2 N H H8 0 87.361 148.130 155.420 1 N H8 DW6 2 N -6.514 -1.215 -0.882 56 non-polymer 2 N H H9 0 86.774 150.186 156.484 1 N H9 DW6 2 N -7.069 -3.330 -0.854 57 non-polymer 2 N H H10 0 88.363 149.780 153.949 1 N H10 DW6 2 N -4.894 -1.177 -2.432 58 non-polymer 2 N H H11 0 86.781 149.205 151.736 1 N H11 DW6 2 N -3.493 -3.330 -1.124 59 non-polymer 2 N H H12 0 86.836 151.302 152.851 1 N H12 DW6 2 N -4.917 -3.053 -3.545 60 non-polymer 2 N H H13 0 88.045 146.865 151.759 1 N H13 DW6 2 N -2.259 -0.995 -2.183 61 non-polymer 2 N H H14 0 89.057 148.349 151.738 1 N H14 DW6 2 N -2.448 -2.322 -3.075 62 non-polymer 2 N H H15 0 90.532 145.566 155.559 1 N H15 DW6 2 N 1.480 -4.543 -1.708 63 non-polymer 2 N H H16 0 91.691 149.595 153.327 1 N H16 DW6 2 N 3.512 -1.832 -2.979 64 non-polymer 2 N H H17 0 94.183 147.806 149.788 1 N H17 DW6 2 N 1.332 1.223 -1.659 65 non-polymer 2 N H H18 0 93.993 146.493 150.998 1 N H18 DW6 2 N 2.644 0.495 -2.185 66 non-polymer 2 N H H19 0 92.389 145.321 149.605 1 N H19 DW6 2 N 1.889 -1.153 -0.296 67 non-polymer 2 N H H25 0 87.994 150.729 144.872 1 N H25 DW6 2 N 9.599 2.283 1.080 68 non-polymer 2 N H H26 0 89.097 151.914 144.258 1 N H26 DW6 2 N 9.495 3.744 1.470 69 non-polymer 2 N H H20 0 92.592 145.745 145.215 1 N H20 DW6 2 N 3.232 0.702 3.133 70 non-polymer 2 N H H21 0 91.382 145.303 147.267 1 N H21 DW6 2 N 3.800 -0.901 1.682 71 non-polymer 2 N H H22 0 93.818 148.134 146.497 1 N H22 DW6 2 N 3.246 3.067 2.264 72 non-polymer 2 N H H27 0 91.351 151.580 144.443 1 N H27 DW6 2 N 7.505 4.672 2.059 73 non-polymer 2 N H H2 0 90.069 146.425 145.881 1 N H2 DW6 2 N 5.930 -0.415 1.150 74 non-polymer 2 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N doub N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N doub N 12 N doub N 13 N sing N 14 N sing N 15 N doub N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N doub N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N doub N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N doub N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N doub N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N doub N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N sing N 79 N sing RCSB RCSB RCSB InChI=1S/C19H26N8O13P2S2.Cu.Mo.H2O.O.S/c20-7-1-2-27(19(31)22-7)17-11(29)10(28)5(39-17)3-36-41(32,33)40-42(34,35)37-4-6-12(43)13(44)8-16(38-6)24-14-9(23-8)15(30)26-18(21)25-14;;;;;/h1-2,5-6,8,10-11,16-17,23,28-29,43-44H,3-4H2,(H,32,33)(H,34,35)(H2,20,22,31)(H4,21,24,25,26,30);;;1H2;;/q;;+3;;;/p-3/t5-,6-,8+,10-,11-,16-,17-;;;;;/m1...../s1 XKFMHYOTIHIFEC-OVUKQGSTSA-K 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)N5C=CC(=NC5=O)N)C6=C3S[Mo](O)(=O)(S[Cu])S6)C(=O)N1 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)N5C=CC(=NC5=O)N)C6=C3S[Mo](O)(=O)(S[Cu])S6)C(=O)N1 C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)OP(=O)(O)OC[C@@H]3C4=C([C@H]5[C@@H](O3)NC6=C(N5)C(=O)NC(=N6)N)S[Mo](=O)(S4)(O)S[Cu])O)O C1=CN(C(=O)N=C1N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)OCC3C4=C(C5C(O3)NC6=C(N5)C(=O)NC(=N6)N)S[Mo](=O)(S4)(O)S[Cu])O)O [(1~{R},10~{R},16~{R})-5-azanyl-16-[[[[(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxymethyl]-13-oxidanyl-7,13-bis(oxidanylidene)-17-oxa-12,14-dithia-2,4,6,9-tetraza-13$l^{6}-molybdatetracyclo[8.7.0.0^{3,8}.0^{11,15}]heptadeca-3(8),4,11(15)-trien-13-yl]sulfanylcopper