0.044136 0.000000 0.000000 0.000000 0.022267 0.000000 0.000000 0.000000 0.004826 0.00000 0.00000 0.00000 3.54356 2.42580 25.62398 1.50364 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 4.01032 2.96436 19.97189 1.75589 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.38062 1.54875 3.38349 72.32734 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.95753 4.19129 0.0 1-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 4.49882 3.47563 15.80542 1.70748 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 5.12366 3.84317 3.49406 27.47979 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. 9.51135 5.44231 1.42069 35.72801 0.0 2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31. Li, M. Huang, L. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.000 90.000 90.000 22.657 44.909 207.198 210827.892 C10 H14 N5 O7 P 347.221 y ADENOSINE-5'-MONOPHOSPHATE RNA linking C9 H14 N3 O8 P 323.197 y CYTIDINE-5'-MONOPHOSPHATE RNA linking C10 H14 N5 O8 P 363.221 y GUANOSINE-5'-MONOPHOSPHATE RNA linking C10 H16 N5 O14 P3 523.180 n GUANOSINE-5'-TRIPHOSPHATE non-polymer H2 O 18.015 WATER non-polymer Na 1 22.990 SODIUM ION non-polymer C9 H13 N2 O9 P 324.181 y URIDINE-5'-MONOPHOSPHATE RNA linking C5 H4 N4 O3 168.110 URIC ACID 7,9-DIHYDRO-1H-PURINE-2,6,8(3H)-TRIONE non-polymer N 1 N O N 2 N P N 3 N O N 4 N O N 5 N O N 6 N C N 7 R C N 8 N O N 9 S C N 10 N O N 11 R C N 12 N O N 13 R C Y 14 N N Y 15 N C Y 16 N N Y 17 N C Y 18 N C N 19 N N Y 20 N N Y 21 N C Y 22 N N Y 23 N C N 24 N H N 25 N H N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N O N 39 N P N 40 N O N 41 N O N 42 N O N 43 N C N 44 R C N 45 N O N 46 S C N 47 N O N 48 R C N 49 N O N 50 R C N 51 N N N 52 N C N 53 N O N 54 N N N 55 N C N 56 N N N 57 N C N 58 N C N 59 N H N 60 N H N 61 N H N 62 N H N 63 N H N 64 N H N 65 N H N 66 N H N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N O N 74 N P N 75 N O N 76 N O N 77 N O N 78 N C N 79 R C N 80 N O N 81 S C N 82 N O N 83 R C N 84 N O N 85 R C Y 86 N N Y 87 N C Y 88 N N Y 89 N C N 90 N C N 91 N O N 92 N N N 93 N C N 94 N N N 95 N N Y 96 N C N 97 N H N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N P N 112 N O N 113 N O N 114 N O N 115 N O N 116 N P N 117 N O N 118 N O N 119 N O N 120 N P N 121 N O N 122 N O N 123 N O N 124 N C N 125 R C N 126 N O N 127 S C N 128 N O N 129 R C N 130 N O N 131 R C Y 132 N N Y 133 N C Y 134 N N Y 135 N C N 136 N C N 137 N O N 138 N N N 139 N C N 140 N N N 141 N N Y 142 N C N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N O N 160 N H N 161 N H N 162 N NA N 163 N O N 164 N P N 165 N O N 166 N O N 167 N O N 168 N C N 169 R C N 170 N O N 171 S C N 172 N O N 173 R C N 174 N O N 175 R C N 176 N N N 177 N C N 178 N O N 179 N N N 180 N C N 181 N O N 182 N C N 183 N C N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H Y 197 N N Y 198 N C Y 199 N C Y 200 N N N 201 N O Y 202 N C Y 203 N C Y 204 N N N 205 N O Y 206 N N Y 207 N C N 208 N O N 209 N H N 210 N H N 211 N H N 212 N H N 1 N sing N 2 N sing N 3 N doub N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing 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 Y 25 N sing Y 26 N sing Y 27 N doub N 28 N sing Y 29 N sing Y 30 N sing Y 31 N doub N 32 N sing Y 33 N doub N 34 N sing N 35 N sing Y 36 N sing Y 37 N doub N 38 N sing Y 39 N sing N 40 N sing N 41 N sing N 42 N doub N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N sing 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 doub N 67 N sing N 68 N doub N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N doub N 74 N sing N 75 N sing N 76 N sing N 77 N sing N 78 N doub N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N sing N 98 N sing N 99 N sing Y 100 N sing Y 101 N sing Y 102 N doub N 103 N sing Y 104 N sing N 105 N sing Y 106 N doub N 107 N doub N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N doub N 113 N sing N 114 N sing N 115 N sing N 116 N doub N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N doub N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N doub N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing Y 150 N sing Y 151 N sing Y 152 N doub N 153 N sing Y 154 N sing N 155 N sing Y 156 N doub N 157 N doub N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N doub N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N doub N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N doub N 195 N sing N 196 N sing N 197 N sing N 198 N doub N 199 N sing N 200 N doub N 201 N sing N 202 N sing Y 203 N sing Y 204 N sing N 205 N sing Y 206 N sing N 207 N doub Y 208 N sing N 209 N doub Y 210 N sing N 211 N sing Y 212 N doub Y 213 N sing Y 214 N sing Y 215 N sing N 216 N sing Y 217 N sing N 218 N sing N 219 N doub To Be Published 0353 Crystal structure of xanthine/guanine RNA aptamer 10.2210/pdb9m6a/pdb pdb_00009m6a 100 1 N PIXEL 2023-10-22 DECTRIS EIGER X 16M SINGLE WAVELENGTH M x-ray 1 0.97918 1.0 BL10U2 SSRF 0.97918 SYNCHROTRON SSRF BEAMLINE BL10U2 13470.997 RNA (42-MER) 2 syn polymer 523.180 GUANOSINE-5'-TRIPHOSPHATE 2 syn non-polymer 168.110 URIC ACID 2 syn non-polymer 22.990 SODIUM ION 4 syn non-polymer 18.015 water 58 nat water no no GCGAUGGCACGUGUAUUACCCUAGUGGUCGACGUGCCAUCGC GCGAUGGCACGUGUAUUACCCUAGUGGUCGACGUGCCAUCGC A,B polyribonucleotide n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n 1 1.96 37.13 VAPOR DIFFUSION, HANGING DROP 7.2 0.08 M Potassium chloride 0.02 M Magnesium chloride hexahydrate 52% v/v (+/-)-2-Methyl-2,4-pentanediol 0.012 M Spermine tetrahydrochloride 291 -1.175 1 19 A -3 A 36 -0.384 A_C-3:G36_A 1 -3.990 0.208 -0.169 -0.159 -5.881 1 19 A -2 A 35 2.457 A_G-2:C35_A 2 -8.810 -0.225 -0.122 -0.135 -2.785 1 20 A -1 A 34 2.545 A_A-1:U34_A 3 -2.092 -0.071 0.134 -0.141 2.282 1 20 A 0 A 33 1.688 A_U0:A33_A 4 -3.783 -0.024 0.367 -0.180 1.210 1 19 A 1 A 32 2.671 A_G1:C32_A 5 0.555 -0.239 0.363 -0.157 0.539 1 19 A 2 A 31 0.602 A_G2:C31_A 6 -2.006 -0.184 0.158 -0.169 1.333 1 19 A 3 A 30 2.377 A_C3:G30_A 7 -4.281 0.227 0.086 -0.135 -4.078 1 20 A 4 A 29 2.872 A_A4:U29_A 8 -4.272 -0.019 0.085 -0.123 0.867 1 19 A 5 A 28 0.996 A_C5:G28_A 9 -3.245 0.237 0.220 -0.158 -5.788 1 19 A 6 A 27 2.033 A_G6:C27_A 10 -8.425 -0.234 -0.214 -0.136 3.550 1 20 A 7 A 26 0.907 A_U7:A26_A 11 -9.478 -0.008 -0.168 -0.040 -19.523 2 3 A 8 A 25 -174.029 A_G8:G25_A 12 5.203 1.238 -0.050 1.149 -2.419 1 20 A 13 A 23 1.968 A_A13:U23_A 13 -2.168 0.116 -0.093 -0.053 -0.465 1 19 A 14 A 22 1.968 A_C14:G22_A 14 -0.929 0.207 0.015 -0.133 0.066 1 19 A 15 A 21 1.432 A_C15:G21_A 15 1.021 0.186 0.139 -0.138 1.223 1 19 A 16 A 19 2.906 A_C16:G19_A 16 1.866 0.198 -0.010 -0.076 -0.252 1 19 B -3 B 36 0.326 B_C-3:G36_B 17 -5.163 0.155 0.197 -0.128 -2.316 1 19 B -2 B 35 -1.484 B_G-2:C35_B 18 -4.066 -0.194 0.214 -0.172 -0.604 1 20 B -1 B 34 1.036 B_A-1:U34_B 19 -3.786 0.056 0.225 -0.125 0.052 1 20 B 0 B 33 2.711 B_U0:A33_B 20 -5.900 -0.024 0.252 -0.107 -1.346 1 19 B 1 B 32 1.693 B_G1:C32_B 21 2.787 -0.193 0.240 -0.115 0.975 1 19 B 2 B 31 1.969 B_G2:C31_B 22 -0.313 -0.172 0.259 -0.121 2.114 1 19 B 3 B 30 2.235 B_C3:G30_B 23 -3.480 0.185 0.191 -0.123 -0.303 1 20 B 4 B 29 1.924 B_A4:U29_B 24 -3.289 0.018 0.119 -0.094 2.676 1 19 B 5 B 28 0.769 B_C5:G28_B 25 -5.162 0.197 0.307 -0.183 0.403 1 19 B 6 B 27 2.936 B_G6:C27_B 26 -5.032 -0.208 0.173 -0.147 5.426 1 20 B 7 B 26 1.459 B_U7:A26_B 27 -8.990 0.032 -0.140 -0.080 -20.771 2 3 B 8 B 25 -175.595 B_G8:G25_B 28 4.610 1.248 -0.163 1.011 -2.665 1 20 B 13 B 23 3.570 B_A13:U23_B 29 -2.661 0.099 -0.140 -0.084 -1.635 1 19 B 14 B 22 2.520 B_C14:G22_B 30 -2.013 0.225 -0.031 -0.132 -0.006 1 19 B 15 B 21 0.958 B_C15:G21_B 31 1.888 0.204 0.030 -0.130 3.075 1 19 B 16 B 19 1.685 B_C16:G19_B 32 0.109 0.200 0.025 -0.116 2.400 31.334 A A -3 -2 21.041 A A 36 35 3.191 11.128 0.370 -1.712 AA_C-3G-2:C35G36_AA 1 0.211 -0.399 29.337 -5.026 -0.649 2.781 35.875 A A -2 -1 11.628 A A 35 34 3.012 7.094 -0.642 -1.229 AA_G-2A-1:U34C35_AA 2 -5.250 8.606 34.807 -2.909 0.365 2.808 31.571 A A -1 0 10.363 A A 34 33 3.070 5.605 -0.017 -1.202 AA_A-1U0:A33U34_AA 3 -2.385 4.410 30.992 -3.153 -0.370 2.285 36.122 A A 0 1 16.671 A A 33 32 2.852 10.205 0.340 -1.673 AA_U0G1:C32A33_AA 4 0.001 -0.002 34.697 -3.854 -0.548 2.841 30.653 A A 1 2 7.617 A A 32 31 3.102 4.014 -0.095 -1.786 AA_G1G2:C31C32_AA 5 1.374 -2.607 30.365 -4.100 0.426 3.058 34.883 A A 2 3 5.200 A A 31 30 3.184 3.112 0.235 -1.396 AA_G2C3:G30C31_AA 6 1.460 -2.439 34.718 -2.780 -0.180 1.968 35.149 A A 3 4 27.628 A A 30 29 2.979 16.097 -0.298 -1.574 AA_C3A4:U29G30_AA 7 -0.699 1.200 31.343 -4.537 0.410 2.884 33.103 A A 4 5 6.875 A A 29 28 3.072 3.908 0.159 -1.393 AA_A4C5:G28U29_AA 8 -1.262 2.220 32.855 -3.047 -0.474 1.986 37.468 A A 5 6 27.062 A A 28 27 3.019 16.746 0.211 -1.681 AA_C5G6:C27G28_AA 9 5.286 -8.543 33.229 -4.407 0.236 2.974 30.955 A A 6 7 5.443 A A 27 26 3.086 2.900 -0.099 -0.990 AA_G6U7:A26C27_AA 10 1.496 -2.808 30.787 -2.376 0.455 0.329 -177.921 A A 7 8 77.367 A A 26 25 -0.814 -153.597 3.115 -0.945 AA_U7G8:G25A26_AA 11 -89.360 -45.011 -50.700 0.340 1.635 -3.367 -163.036 A A 8 13 11.514 A A 25 23 -0.860 -21.839 -4.312 5.362 AA_G8A13:U23G25_AA 12 -157.626 -83.107 -70.932 -2.860 -1.099 2.956 33.566 A A 13 14 5.315 A A 23 22 3.126 3.065 0.202 -1.721 AA_A13C14:G22U23_AA 13 -0.686 1.189 33.423 -3.448 -0.454 2.827 32.971 A A 14 15 8.023 A A 22 21 3.100 4.540 -0.275 -1.831 AA_C14C15:G21G22_AA 14 -0.110 0.195 32.665 -3.929 0.467 2.748 20.895 A A 15 16 9.603 A A 21 19 3.190 3.457 -0.602 -1.768 AA_C15C16:G19G21_AA 15 2.830 -7.864 20.417 -6.231 2.769 1.931 33.638 B B -3 -2 28.320 B B 36 35 2.963 15.751 -0.697 -1.650 BB_C-3G-2:C35G36_BB 16 -3.375 6.069 29.628 -4.907 0.764 2.842 35.311 B B -2 -1 8.339 B B 35 34 3.056 5.040 0.036 -1.297 BB_G-2A-1:U34C35_BB 17 -1.649 2.728 34.923 -2.814 -0.281 2.956 31.278 B B -1 0 7.629 B B 34 33 3.175 4.102 0.300 -1.494 BB_A-1U0:A33U34_BB 18 -0.193 0.360 31.013 -3.502 -0.590 2.155 34.197 B B 0 1 19.518 B B 33 32 2.889 11.274 -0.007 -1.813 BB_U0G1:C32A33_BB 19 -0.536 0.928 32.334 -4.497 -0.055 2.484 29.614 B B 1 2 14.182 B B 32 31 3.005 7.179 0.421 -1.873 BB_G1G2:C31C32_BB 20 0.763 -1.507 28.740 -4.957 -0.686 3.040 34.211 B B 2 3 4.117 B B 31 30 3.158 2.419 0.061 -1.598 BB_G2C3:G30C31_BB 21 1.659 -2.824 34.088 -3.078 0.144 1.920 32.941 B B 3 4 26.526 B B 30 29 2.911 14.548 -0.553 -1.654 BB_C3A4:U29G30_BB 22 -0.541 0.986 29.630 -4.851 0.904 2.905 33.953 B B 4 5 6.880 B B 29 28 3.098 4.007 0.142 -1.401 BB_A4C5:G28U29_BB 23 -1.868 3.208 33.672 -2.990 -0.519 2.244 34.123 B B 5 6 17.817 B B 28 27 2.877 10.293 0.228 -1.752 BB_C5G6:C27G28_BB 24 2.439 -4.222 32.488 -4.298 -0.078 2.915 32.480 B B 6 7 6.298 B B 27 26 3.101 3.505 -0.094 -1.179 BB_G6U7:A26C27_BB 25 4.715 -8.474 31.959 -2.677 0.935 0.311 -176.268 B B 7 8 77.108 B B 26 25 -1.057 -151.971 3.088 -0.970 BB_U7G8:G25A26_BB 26 -88.819 -45.066 -40.465 0.260 1.676 -3.521 -162.486 B B 8 13 10.914 B B 25 23 -1.112 -20.635 -4.246 5.353 BB_G8A13:U23G25_BB 27 -157.418 -83.260 -68.560 -2.868 -0.932 2.880 34.386 B B 13 14 7.136 B B 23 22 3.110 4.209 0.069 -1.730 BB_A13C14:G22U23_BB 28 -0.833 1.412 34.125 -3.530 -0.237 2.704 32.763 B B 14 15 9.258 B B 22 21 3.020 5.201 -0.474 -1.808 BB_C14C15:G21G22_BB 29 0.034 -0.061 32.359 -3.993 0.846 2.614 20.649 B B 15 16 12.670 B B 21 19 3.147 4.501 -0.857 -1.769 BB_C15C16:G19G21_BB 30 1.627 -4.581 20.092 -6.693 3.026 repository Initial release 1 0 2026-09-16 China National Natural Science Foundation of China (NSFC) 32171191 huanglin36@mail.sysu.edu.cn 0000-0002-2121-365X Lin Huang principal investigator/group leader N PDBJ Y PDBC 2025-03-07 REL REL URC URC SUBJECT OF INVESTIGATION GTP GUANOSINE-5'-TRIPHOSPHATE URC URIC ACID NA SODIUM ION HOH water 32630 synthetic construct sample 1 42 Y N XBA12-XAN structure Other experimental model GTP -4 2 GTP GTP 101 A URC 101 3 URC URC 102 A NA 1 4 NA NA 103 A GTP -4 2 GTP GTP 101 B URC 101 3 URC URC 102 B NA 2 4 NA NA 103 B NA 3 4 NA NA 104 B NA 4 4 NA NA 105 B HOH 20 5 HOH HOH 201 A HOH 60 5 HOH HOH 202 A HOH 88 5 HOH HOH 203 A HOH 201 5 HOH HOH 204 A HOH 17 5 HOH HOH 205 A HOH 189 5 HOH HOH 206 A HOH 200 5 HOH HOH 207 A HOH 56 5 HOH HOH 208 A HOH 14 5 HOH HOH 209 A HOH 218 5 HOH HOH 210 A HOH 76 5 HOH HOH 211 A HOH 15 5 HOH HOH 212 A HOH 81 5 HOH HOH 213 A HOH 6 5 HOH HOH 214 A HOH 107 5 HOH HOH 215 A HOH 181 5 HOH HOH 216 A HOH 228 5 HOH HOH 217 A HOH 29 5 HOH HOH 218 A HOH 193 5 HOH HOH 219 A HOH 75 5 HOH HOH 220 A HOH 227 5 HOH HOH 221 A HOH 161 5 HOH HOH 222 A HOH 70 5 HOH HOH 223 A HOH 190 5 HOH HOH 224 A HOH 111 5 HOH HOH 225 A HOH 214 5 HOH HOH 226 A HOH 149 5 HOH HOH 227 A HOH 175 5 HOH HOH 201 B HOH 65 5 HOH HOH 202 B HOH 3 5 HOH HOH 203 B HOH 42 5 HOH HOH 204 B HOH 28 5 HOH HOH 205 B HOH 199 5 HOH HOH 206 B HOH 8 5 HOH HOH 207 B HOH 89 5 HOH HOH 208 B HOH 24 5 HOH HOH 209 B HOH 147 5 HOH HOH 210 B HOH 40 5 HOH HOH 211 B HOH 141 5 HOH HOH 212 B HOH 7 5 HOH HOH 213 B HOH 145 5 HOH HOH 214 B HOH 79 5 HOH HOH 215 B HOH 94 5 HOH HOH 216 B HOH 173 5 HOH HOH 217 B HOH 66 5 HOH HOH 218 B HOH 104 5 HOH HOH 219 B HOH 1 5 HOH HOH 220 B HOH 185 5 HOH HOH 221 B HOH 231 5 HOH HOH 222 B HOH 211 5 HOH HOH 223 B HOH 123 5 HOH HOH 224 B HOH 143 5 HOH HOH 225 B HOH 226 5 HOH HOH 226 B HOH 2 5 HOH HOH 227 B HOH 203 5 HOH HOH 228 B HOH 118 5 HOH HOH 229 B HOH 156 5 HOH HOH 230 B HOH 221 5 HOH HOH 231 B n 1 -4 A C -3 n 2 C -3 A G -2 n 3 G -2 A A -1 n 4 A -1 A U 0 n 5 U 0 A G 1 n 6 G 1 A G 2 n 7 G 2 A C 3 n 8 C 3 A A 4 n 9 A 4 A C 5 n 10 C 5 A G 6 n 11 G 6 A U 7 n 12 U 7 A G 8 n 13 G 8 A U 9 n 14 U 9 A A 10 n 15 A 10 A U 11 n 16 U 11 A U 12 n 17 U 12 A A 13 n 18 A 13 A C 14 n 19 C 14 A C 15 n 20 C 15 A C 16 n 21 C 16 A U 17 n 22 U 17 A A 18 n 23 A 18 A G 19 n 24 G 19 A U 20 n 25 U 20 A G 21 n 26 G 21 A G 22 n 27 G 22 A U 23 n 28 U 23 A C 24 n 29 C 24 A G 25 n 30 G 25 A A 26 n 31 A 26 A C 27 n 32 C 27 A G 28 n 33 G 28 A U 29 n 34 U 29 A G 30 n 35 G 30 A C 31 n 36 C 31 A C 32 n 37 C 32 A A 33 n 38 A 33 A U 34 n 39 U 34 A C 35 n 40 C 35 A G 36 n 41 G 36 A C 37 n 42 C 37 A n 1 -4 B C -3 n 2 C -3 B G -2 n 3 G -2 B A -1 n 4 A -1 B U 0 n 5 U 0 B G 1 n 6 G 1 B G 2 n 7 G 2 B C 3 n 8 C 3 B A 4 n 9 A 4 B C 5 n 10 C 5 B G 6 n 11 G 6 B U 7 n 12 U 7 B G 8 n 13 G 8 B U 9 n 14 U 9 B A 10 n 15 A 10 B U 11 n 16 U 11 B U 12 n 17 U 12 B A 13 n 18 A 13 B C 14 n 19 C 14 B C 15 n 20 C 15 B C 16 n 21 C 16 B U 17 n 22 U 17 B A 18 n 23 A 18 B G 19 n 24 G 19 B U 20 n 25 U 20 B G 21 n 26 G 21 B G 22 n 27 G 22 B U 23 n 28 U 23 B C 24 n 29 C 24 B G 25 n 30 G 25 B A 26 n 31 A 26 B C 27 n 32 C 27 B G 28 n 33 G 28 B U 29 n 34 U 29 B G 30 n 35 G 30 B C 31 n 36 C 31 B C 32 n 37 C 32 B A 33 n 38 A 33 B U 34 n 39 U 34 B C 35 n 40 C 35 B G 36 n 41 G 36 B C 37 n 42 C 37 B 2.05251946072 0.0254651192755 -1.98504804666 1.58036683739 -1.54578577462 3.68231680776 0.157137809211 0.172878976514 0.151656857084 1.26562821704 1.05006135284 0.177462764083 -1.18163002359 0.126187751512 -0.851359553529 0.875070043125 0.0492136064031 -0.0831494846078 0.622838446148 -0.126866445005 0.442202195106 refined 5.34802313457 0.865615579529 73.4905827146 X-RAY DIFFRACTION 5.62840875644 -2.59014657163 1.08673171943 6.7996705935 2.59372873921 6.52873238857 0.641327974586 -0.483271298144 0.519827613653 0.187399220949 -0.22125823087 -0.0239203186804 -0.495676846993 -1.00704317723 -0.417095815225 0.453664319709 0.101682273006 -0.00201394179112 0.573586152701 0.081658512623 0.552564833955 refined 4.29065068181 1.24858658982 98.6066437574 X-RAY DIFFRACTION 3.00130619645 2.43283907581 -2.33373676169 3.61053524606 -0.0253205783911 3.45137478796 0.324364589021 0.159730890111 -0.0447598842888 -1.15222179158 0.549958499237 0.0160284988024 -0.681439347952 -0.875191317078 -0.647011127304 0.64596120564 0.163538743825 0.117323460499 0.733231477519 0.126908226748 0.54241933528 refined 4.12705469368 1.24658183308 82.2017856827 X-RAY DIFFRACTION 2.88800247492 -1.81047117127 -1.83944261109 3.95382299552 0.384749612425 3.89516072851 0.289401624045 -0.52089909408 0.498437070233 -0.487243847685 0.117245835178 -0.45350663917 -1.2541502606 1.22336148538 -0.229152892455 0.580896732418 -0.138955253781 -0.0103341484613 0.566723455701 -0.134993849454 0.443247117925 refined 7.65801755453 -2.91537678337 61.6657748409 X-RAY DIFFRACTION 3.71683674726 -0.280549803342 0.0776980366414 0.708154787424 -1.66167379807 3.71136326675 0.575695648933 0.00479715394126 -0.4225077932 -0.0176609837752 -0.31388834726 0.464391468033 0.482608667541 0.250897447105 -0.129570416767 0.483343146248 -0.113983865072 0.0454443103097 0.328051600749 -0.0861909116155 0.440540585882 refined -1.9096983035 31.4086496978 60.0126040299 X-RAY DIFFRACTION 1.6108578855 -1.00114750445 0.529030850489 2.80725730621 -0.859207642877 3.59254997975 0.0187983871883 0.196306352671 0.326717396994 0.0529531542275 0.172130394256 -0.0454967519771 -0.552360053104 -0.0276846196713 -0.254633193718 0.407705265078 0.0182213957625 0.00399486867398 0.399678846477 0.0445555480529 0.456221717924 refined -4.99940871963 20.5931869858 78.1107526797 X-RAY DIFFRACTION 5.29183454357 -0.782741351781 -5.38753372602 8.49457210291 1.3516714756 6.53569052839 -0.0358650357867 -1.73933413587 0.577532303413 0.675242243754 0.291114927039 -1.05416751337 0.0820425322139 1.9872249631 -0.46650287013 0.442551065866 -0.0603788084188 0.14002326207 0.588880584801 -0.0828706583161 0.884090416875 refined -2.77977383271 30.1762311077 91.9879639226 X-RAY DIFFRACTION 3.09335588558 1.16327128172 1.4249101845 5.47011745442 0.693686466062 2.27258882475 -0.640341583526 -0.21115881301 -0.56806647604 -0.619660027638 0.375205876351 0.283342175769 0.0527362923449 -0.781554355901 0.335427744724 0.289118010771 0.133535146802 0.103015664643 0.503785649443 -0.0335069058721 0.559500333861 refined -8.38279502738 24.2056907083 87.8410253768 X-RAY DIFFRACTION 5.01330742672 -2.68488610668 -0.733202910251 4.6317506552 -2.37764106459 7.8742867336 0.58315697164 0.0434915125074 0.646101037358 -1.14096356765 0.0770698327408 -0.0510552701994 -0.0106276602433 2.13263697216 -0.366872303388 0.515232336298 -0.0209487401684 -0.00217323813893 0.613840062917 -0.0965705813008 0.515293808107 refined -2.12298989111 21.3002954821 67.0717606156 X-RAY DIFFRACTION 8.46019319877 4.79739492436 -3.17515410099 5.50122283991 -1.78403247446 1.73758720543 -0.609042001409 0.967705538231 -0.0427806664355 -1.41542727544 0.280080327058 0.283731248629 1.0790099092 -0.537535152264 0.378339514526 0.545673856607 0.0320276320249 0.00482549926681 0.442021802526 0.0491920175119 0.411378011462 refined -7.65930333768 32.0119602724 54.2081553082 X-RAY DIFFRACTION A -3 B A 6 B X-RAY DIFFRACTION 1 chain 'A' and (resid -3 through 6 ) A 7 B A 21 B X-RAY DIFFRACTION 2 chain 'A' and (resid 7 through 21 ) A 22 B A 31 B X-RAY DIFFRACTION 3 chain 'A' and (resid 22 through 31 ) A 32 B A 37 B X-RAY DIFFRACTION 4 chain 'A' and (resid 32 through 37 ) B -3 E B 1 E X-RAY DIFFRACTION 5 chain 'B' and (resid -3 through 1 ) B 2 E B 11 E X-RAY DIFFRACTION 6 chain 'B' and (resid 2 through 11 ) B 12 E B 16 E X-RAY DIFFRACTION 7 chain 'B' and (resid 12 through 16 ) B 17 E B 26 E X-RAY DIFFRACTION 8 chain 'B' and (resid 17 through 26 ) B 27 E B 31 E X-RAY DIFFRACTION 9 chain 'B' and (resid 27 through 31 ) B 32 E B 37 E X-RAY DIFFRACTION 10 chain 'B' and (resid 32 through 37 ) author_defined_assembly 2 dimeric A U 34 A O3' U 39 1_555 B NA 104 I NA NA 1_645 A C 35 A OP1 C 40 1_555 48.4 A U 34 A O3' U 39 1_555 B NA 104 I NA NA 1_645 B U 0 B O2 U 5 1_555 23.8 A C 35 A OP1 C 40 1_555 B NA 104 I NA NA 1_645 B U 0 B O2 U 5 1_555 45.2 A U 34 A O3' U 39 1_555 B NA 104 I NA NA 1_645 B U 34 B O2 U 39 1_555 25.3 A C 35 A OP1 C 40 1_555 B NA 104 I NA NA 1_645 B U 34 B O2 U 39 1_555 40.9 B U 0 B O2 U 5 1_555 B NA 104 I NA NA 1_645 B U 34 B O2 U 39 1_555 4.5 A U 34 A O3' U 39 1_555 B NA 104 I NA NA 1_645 B HOH 227 L O HOH 1_555 25.8 A C 35 A OP1 C 40 1_555 B NA 104 I NA NA 1_645 B HOH 227 L O HOH 1_555 44.1 B U 0 B O2 U 5 1_555 B NA 104 I NA NA 1_645 B HOH 227 L O HOH 1_555 2.4 B U 34 B O2 U 39 1_555 B NA 104 I NA NA 1_645 B HOH 227 L O HOH 1_555 3.3 A HOH 205 K O HOH 3_555 B NA 103 H NA NA 1_555 B HOH 231 L O HOH 1_555 68.7 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 3_555 -x,y+1/2,-z+1/2 crystal symmetry operation 0.0000000000 22.4545000000 103.5990000000 1 A G -4 A G 1 1 Y 1 B G -4 B G 1 1 Y 1 B B OP1 O3' C GTP -3 101 2.05 1 A A OP1 O3' C GTP -3 101 2.17 52.88 0.3030 0.2470 0.2494 2.52 51.80 344 7355 7699 4.47 99.01 0.5028 1 FREE R-VALUE 1.34 MOLECULAR REPLACEMENT 35.3230 0.9000 1.1000 GeoStd + Monomer Library + CDL v1.2 FLAT BULK SOLVENT MODEL 2.52 51.80 58 1890 92 1740 0 0.0020 2034 0.7133 3164 0.0312 418 0.0037 86 25.7997 1246 d_2 C A ens_1 X-RAY DIFFRACTION Torsion NCS 0.732365927809 0.4535 0.3475 3.17 172 3567 99.18 0.2480 0.2104 51.80 172 3788 98.85 47.05 2.52 207.20 9M6A 7805 0.997 0.096 0.043 1 11.2 10.6 99.8 0.623 2.52 2.59 525 0.864 0.320 1 100.0 refinement PHENIX 1.20.1-4487 data reduction DIALS data scaling DIALS phasing PHASER 19 orthorhombic P 21 21 21 P 2ac 2ab x,y,z x+1/2,-y+1/2,-z -x,y+1/2,-z+1/2 -x+1/2,-y,z+1/2 N Crystal structure of xanthine/guanine RNA aptamer (P1-12bp) with uric acid 1 N N 1 N N 2 N N 3 N N 4 N N 2 N N 3 N N 4 N N 4 N N 4 N N 5 N N 5 N N covale 1.557 both A C -3 A P C 2 1_555 A GTP 101 C O3' GTP 1_555 covale 1.558 both B C -3 B P C 2 1_555 B GTP 101 F O3' GTP 1_555 metalc 2.998 A U 34 A O3' U 39 1_555 B NA 104 I NA NA 1_645 metalc 2.998 A C 35 A OP1 C 40 1_555 B NA 104 I NA NA 1_645 metalc 2.664 A HOH 205 K O HOH 3_555 B NA 103 H NA NA 1_555 metalc 2.629 B U 0 B O2 U 5 1_555 B NA 104 I NA NA 1_555 metalc 3.081 B U 34 B O2 U 39 1_555 B NA 104 I NA NA 1_555 metalc 3.143 B NA 103 H NA NA 1_555 B HOH 231 L O HOH 1_555 metalc 1.928 B NA 104 I NA NA 1_555 B HOH 227 L O HOH 1_555 metalc 2.201 B NA 105 J NA NA 1_555 B HOH 229 L O HOH 1_555 hydrog WATSON-CRICK A C -3 A N3 C 2 1_555 A G 36 A N1 G 41 1_555 hydrog WATSON-CRICK A C -3 A N4 C 2 1_555 A G 36 A O6 G 41 1_555 hydrog WATSON-CRICK A C -3 A O2 C 2 1_555 A G 36 A N2 G 41 1_555 hydrog WATSON-CRICK A G -2 A N1 G 3 1_555 A C 35 A N3 C 40 1_555 hydrog WATSON-CRICK A G -2 A N2 G 3 1_555 A C 35 A O2 C 40 1_555 hydrog WATSON-CRICK A G -2 A O6 G 3 1_555 A C 35 A N4 C 40 1_555 hydrog WATSON-CRICK A A -1 A N1 A 4 1_555 A U 34 A N3 U 39 1_555 hydrog WATSON-CRICK A A -1 A N6 A 4 1_555 A U 34 A O4 U 39 1_555 hydrog WATSON-CRICK A U 0 A N3 U 5 1_555 A A 33 A N1 A 38 1_555 hydrog WATSON-CRICK A U 0 A O4 U 5 1_555 A A 33 A N6 A 38 1_555 hydrog WATSON-CRICK A G 1 A N1 G 6 1_555 A C 32 A N3 C 37 1_555 hydrog WATSON-CRICK A G 1 A N2 G 6 1_555 A C 32 A O2 C 37 1_555 hydrog WATSON-CRICK A G 1 A O6 G 6 1_555 A C 32 A N4 C 37 1_555 hydrog WATSON-CRICK A G 2 A N1 G 7 1_555 A C 31 A N3 C 36 1_555 hydrog WATSON-CRICK A G 2 A N2 G 7 1_555 A C 31 A O2 C 36 1_555 hydrog WATSON-CRICK A G 2 A O6 G 7 1_555 A C 31 A N4 C 36 1_555 hydrog WATSON-CRICK A C 3 A N3 C 8 1_555 A G 30 A N1 G 35 1_555 hydrog WATSON-CRICK A C 3 A N4 C 8 1_555 A G 30 A O6 G 35 1_555 hydrog WATSON-CRICK A C 3 A O2 C 8 1_555 A G 30 A N2 G 35 1_555 hydrog WATSON-CRICK A A 4 A N1 A 9 1_555 A U 29 A N3 U 34 1_555 hydrog WATSON-CRICK A A 4 A N6 A 9 1_555 A U 29 A O4 U 34 1_555 hydrog WATSON-CRICK A C 5 A N3 C 10 1_555 A G 28 A N1 G 33 1_555 hydrog WATSON-CRICK A C 5 A N4 C 10 1_555 A G 28 A O6 G 33 1_555 hydrog WATSON-CRICK A C 5 A O2 C 10 1_555 A G 28 A N2 G 33 1_555 hydrog WATSON-CRICK A G 6 A N1 G 11 1_555 A C 27 A N3 C 32 1_555 hydrog WATSON-CRICK A G 6 A N2 G 11 1_555 A C 27 A O2 C 32 1_555 hydrog WATSON-CRICK A G 6 A O6 G 11 1_555 A C 27 A N4 C 32 1_555 hydrog WATSON-CRICK A U 7 A N3 U 12 1_555 A A 26 A N1 A 31 1_555 hydrog WATSON-CRICK A U 7 A O4 U 12 1_555 A A 26 A N6 A 31 1_555 hydrog TYPE_3_PAIR A G 8 A N1 G 13 1_555 A G 25 A O6 G 30 1_555 hydrog TYPE_3_PAIR A G 8 A O6 G 13 1_555 A G 25 A N1 G 30 1_555 hydrog HOOGSTEEN A U 11 A N3 U 16 1_555 A A 13 A N7 A 18 1_555 hydrog HOOGSTEEN A U 11 A O4 U 16 1_555 A A 13 A N6 A 18 1_555 hydrog WATSON-CRICK A A 13 A N1 A 18 1_555 A U 23 A N3 U 28 1_555 hydrog WATSON-CRICK A A 13 A N6 A 18 1_555 A U 23 A O4 U 28 1_555 hydrog WATSON-CRICK A C 14 A N3 C 19 1_555 A G 22 A N1 G 27 1_555 hydrog WATSON-CRICK A C 14 A N4 C 19 1_555 A G 22 A O6 G 27 1_555 hydrog WATSON-CRICK A C 14 A O2 C 19 1_555 A G 22 A N2 G 27 1_555 hydrog WATSON-CRICK A C 15 A N3 C 20 1_555 A G 21 A N1 G 26 1_555 hydrog WATSON-CRICK A C 15 A N4 C 20 1_555 A G 21 A O6 G 26 1_555 hydrog WATSON-CRICK A C 15 A O2 C 20 1_555 A G 21 A N2 G 26 1_555 hydrog WATSON-CRICK A C 16 A N3 C 21 1_555 A G 19 A N1 G 24 1_555 hydrog WATSON-CRICK A C 16 A N4 C 21 1_555 A G 19 A O6 G 24 1_555 hydrog WATSON-CRICK A C 16 A O2 C 21 1_555 A G 19 A N2 G 24 1_555 hydrog WATSON-CRICK B C -3 B N3 C 2 1_555 B G 36 B N1 G 41 1_555 hydrog WATSON-CRICK B C -3 B N4 C 2 1_555 B G 36 B O6 G 41 1_555 hydrog WATSON-CRICK B C -3 B O2 C 2 1_555 B G 36 B N2 G 41 1_555 hydrog WATSON-CRICK B G -2 B N1 G 3 1_555 B C 35 B N3 C 40 1_555 hydrog WATSON-CRICK B G -2 B N2 G 3 1_555 B C 35 B O2 C 40 1_555 hydrog WATSON-CRICK B G -2 B O6 G 3 1_555 B C 35 B N4 C 40 1_555 hydrog WATSON-CRICK B A -1 B N1 A 4 1_555 B U 34 B N3 U 39 1_555 hydrog WATSON-CRICK B A -1 B N6 A 4 1_555 B U 34 B O4 U 39 1_555 hydrog WATSON-CRICK B U 0 B N3 U 5 1_555 B A 33 B N1 A 38 1_555 hydrog WATSON-CRICK B U 0 B O4 U 5 1_555 B A 33 B N6 A 38 1_555 hydrog WATSON-CRICK B G 1 B N1 G 6 1_555 B C 32 B N3 C 37 1_555 hydrog WATSON-CRICK B G 1 B N2 G 6 1_555 B C 32 B O2 C 37 1_555 hydrog WATSON-CRICK B G 1 B O6 G 6 1_555 B C 32 B N4 C 37 1_555 hydrog WATSON-CRICK B G 2 B N1 G 7 1_555 B C 31 B N3 C 36 1_555 hydrog WATSON-CRICK B G 2 B N2 G 7 1_555 B C 31 B O2 C 36 1_555 hydrog WATSON-CRICK B G 2 B O6 G 7 1_555 B C 31 B N4 C 36 1_555 hydrog WATSON-CRICK B C 3 B N3 C 8 1_555 B G 30 B N1 G 35 1_555 hydrog WATSON-CRICK B C 3 B N4 C 8 1_555 B G 30 B O6 G 35 1_555 hydrog WATSON-CRICK B C 3 B O2 C 8 1_555 B G 30 B N2 G 35 1_555 hydrog WATSON-CRICK B A 4 B N1 A 9 1_555 B U 29 B N3 U 34 1_555 hydrog WATSON-CRICK B A 4 B N6 A 9 1_555 B U 29 B O4 U 34 1_555 hydrog WATSON-CRICK B C 5 B N3 C 10 1_555 B G 28 B N1 G 33 1_555 hydrog WATSON-CRICK B C 5 B N4 C 10 1_555 B G 28 B O6 G 33 1_555 hydrog WATSON-CRICK B C 5 B O2 C 10 1_555 B G 28 B N2 G 33 1_555 hydrog WATSON-CRICK B G 6 B N1 G 11 1_555 B C 27 B N3 C 32 1_555 hydrog WATSON-CRICK B G 6 B N2 G 11 1_555 B C 27 B O2 C 32 1_555 hydrog WATSON-CRICK B G 6 B O6 G 11 1_555 B C 27 B N4 C 32 1_555 hydrog WATSON-CRICK B U 7 B N3 U 12 1_555 B A 26 B N1 A 31 1_555 hydrog WATSON-CRICK B U 7 B O4 U 12 1_555 B A 26 B N6 A 31 1_555 hydrog TYPE_3_PAIR B G 8 B N1 G 13 1_555 B G 25 B O6 G 30 1_555 hydrog TYPE_3_PAIR B G 8 B O6 G 13 1_555 B G 25 B N1 G 30 1_555 hydrog HOOGSTEEN B U 11 B N3 U 16 1_555 B A 13 B N7 A 18 1_555 hydrog HOOGSTEEN B U 11 B O4 U 16 1_555 B A 13 B N6 A 18 1_555 hydrog WATSON-CRICK B A 13 B N1 A 18 1_555 B U 23 B N3 U 28 1_555 hydrog WATSON-CRICK B A 13 B N6 A 18 1_555 B U 23 B O4 U 28 1_555 hydrog WATSON-CRICK B C 14 B N3 C 19 1_555 B G 22 B N1 G 27 1_555 hydrog WATSON-CRICK B C 14 B N4 C 19 1_555 B G 22 B O6 G 27 1_555 hydrog WATSON-CRICK B C 14 B O2 C 19 1_555 B G 22 B N2 G 27 1_555 hydrog WATSON-CRICK B C 15 B N3 C 20 1_555 B G 21 B N1 G 26 1_555 hydrog WATSON-CRICK B C 15 B N4 C 20 1_555 B G 21 B O6 G 26 1_555 hydrog WATSON-CRICK B C 15 B O2 C 20 1_555 B G 21 B N2 G 26 1_555 hydrog WATSON-CRICK B C 16 B N3 C 21 1_555 B G 19 B N1 G 24 1_555 hydrog WATSON-CRICK B C 16 B N4 C 21 1_555 B G 19 B O6 G 24 1_555 hydrog WATSON-CRICK B C 16 B O2 C 21 1_555 B G 19 B N2 G 24 1_555 RNA xanthine/guanine RNA aptamer, uric acid, RNA chain "A" chain "B" A GTP 101 C GTP A GTP 101 C GTP A C -3 A C 2 A C -3 A C 2 A URC 102 D URC A URC 102 D URC B GTP 101 F GTP B GTP 101 F GTP B C -3 B C 2 B C -3 B C 2 B URC 102 G URC B URC 102 G URC given -0.99990322707 0.00502352609545 -0.0129730752518 -0.00313993961749 -0.989958007407 -0.14132687059 -0.0135527589487 -0.141272459302 0.989877979838 0.843597401607 37.9792810143 -6.87126388245 9M6A PDB 1 1 9M6A -4 37 9M6A -4 37 9M6A A 1 1 42 -4 37 9M6A -4 37 9M6A B 1 1 42 19 P 21 21 21 P 2ac 2ab