1 229 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 GAGCCUUUAU ACAGUAAUGU AUAUCGAAAA AUCCUCUAAU UCAGGGAACA CCUAAGGCAA UCCUGAGCUA AGCUCUUAGU AAUAAGAGAA AGUGCAACGA CUAUUCCGAU AGGAAGUAGG GUCAAGUGAC UCGAAAUGGG GAUUACCCUU CUAGGGUAGU GAUAUAGUCU GAACAUAUAU GGAAACAUAU AGAAGGAUAG GAGUAACGAA CCUAUCCGUA ACAUAAUUG LOOP1 15 16 LOOP2 149 153 LOOP3 80 81 LOOP4 54 54 LOOP5 109 110 LOOP6 183 184 Crystallography ? ? Angstroms 1 G O3' 11.891 28.612 -31.766 2 A P 12.983 27.586 -32.362 O3' 17.551 28.720 -34.468 3 G P 18.467 27.402 -34.497 O3' 23.745 27.744 -33.873 4 C P 24.704 26.531 -33.448 O3' 28.873 26.287 -30.981 5 C P 29.131 24.815 -31.542 O3' 31.680 21.971 -27.738 6 U P 31.671 20.387 -27.983 O3' 31.172 16.805 -24.286 7 U P 31.341 15.443 -25.135 O3' 29.036 11.112 -24.702 8 U P 30.084 10.366 -25.664 O3' 28.113 6.285 -28.489 9 A P 28.931 6.038 -29.855 O3' 26.724 4.709 -34.334 10 U P 27.662 4.868 -35.631 O3' 26.982 4.923 -40.412 11 A P 28.468 4.827 -41.018 O3' 30.011 7.123 -45.167 12 C P 31.490 6.501 -45.089 O3' 35.213 9.342 -47.458 13 A P 36.563 8.703 -46.882 O3' 40.852 11.215 -46.222 14 G P 41.668 9.849 -46.025 O3' 45.534 9.147 -42.521 15 U P 45.746 7.558 -42.514 O3' 44.379 6.234 -37.735 16 A P 42.931 6.270 -38.444 O3' 41.206 7.834 -33.416 17 A P 39.871 8.695 -33.217 O3' 40.329 12.349 -29.448 18 U P 39.093 13.357 -29.484 O3' 38.200 17.904 -32.859 19 G P 36.638 18.248 -32.938 O3' 35.407 20.970 -37.387 20 U P 33.848 21.330 -37.390 O3' 30.494 21.798 -40.748 21 A P 29.354 22.104 -39.675 O3' 24.907 20.078 -41.510 22 U P 23.808 20.520 -40.430 O3' 19.984 17.540 -39.059 23 A P 19.290 18.200 -37.767 O3' 16.893 15.197 -34.235 24 U P 16.506 15.997 -32.900 O3' 16.503 13.983 -27.870 25 C P 16.283 15.181 -26.810 O3' 18.674 14.440 -22.023 26 G P 18.380 15.781 -21.182 O3' 22.300 15.920 -17.636 27 A P 22.310 17.005 -16.458 O3' 27.363 16.380 -14.129 28 A P 28.869 16.864 -14.399 O3' 32.371 20.987 -12.797 29 A P 33.429 22.166 -13.129 O3' 35.575 25.050 -17.021 30 A P 35.875 26.614 -16.865 O3' 37.617 28.151 -21.835 31 A P 37.602 29.739 -22.012 O3' 40.565 32.177 -18.360 32 U P 41.000 33.714 -18.527 O3' 44.860 36.250 -17.497 33 C P 44.684 37.724 -18.089 O3' 48.338 40.739 -19.667 34 C P 47.815 42.051 -20.401 O3' 50.461 44.873 -23.953 35 U P 49.514 46.123 -24.250 O3' 48.937 48.167 -29.233 36 C P 47.769 49.225 -29.545 O3' 44.821 50.610 -33.236 37 U P 44.306 51.836 -32.338 O3' 38.907 52.560 -33.224 38 A P 39.674 53.869 -33.762 O3' 38.902 55.340 -38.943 39 A P 37.597 56.229 -38.801 O3' 34.759 55.296 -43.278 40 U P 33.376 56.124 -43.213 O3' 29.019 53.549 -42.323 41 U P 27.707 54.402 -42.054 O3' 26.162 55.848 -46.868 42 C P 24.571 55.641 -46.803 O3' 22.222 54.136 -51.218 43 A P 20.973 53.166 -50.993 O3' 18.928 49.850 -54.070 44 G P 17.746 49.181 -53.221 O3' 16.949 43.533 -53.210 45 G P 15.774 42.939 -52.285 O3' 14.830 37.678 -51.638 46 G P 13.609 37.308 -50.661 O3' 12.318 34.751 -46.616 47 A P 10.991 35.352 -45.938 O3' 10.540 33.427 -40.805 48 A P 8.950 33.449 -40.587 O3' 7.482 30.674 -36.229 49 C P 6.078 31.312 -35.755 O3' 6.068 32.236 -30.628 50 A P 4.527 31.778 -30.722 O3' 1.427 36.188 -30.450 51 C P 1.755 36.347 -28.873 O3' 0.208 40.885 -29.504 52 C P -1.303 40.927 -30.064 O3' -3.427 44.987 -32.351 53 U P -4.796 44.529 -33.064 O3' -6.757 47.605 -36.651 54 A P -8.267 47.080 -36.590 O3' -11.546 46.928 -40.594 55 A O3' 1.778 39.520 -47.431 56 G P 3.002 40.014 -46.515 O3' 3.935 44.734 -45.183 57 G P 5.414 44.508 -44.596 O3' 6.879 47.608 -40.530 58 C P 8.437 47.242 -40.476 O3' 9.908 46.467 -35.333 59 A P 11.512 46.285 -35.338 O3' 13.877 42.354 -32.960 60 A P 15.460 42.436 -33.222 O3' 18.398 38.891 -30.910 61 U P 19.636 39.695 -31.571 O3' 21.890 36.553 -35.349 62 C P 23.101 37.004 -36.281 O3' 23.977 34.370 -40.237 63 C P 25.378 34.975 -40.710 O3' 26.964 35.917 -46.234 64 U P 28.043 36.923 -46.855 O3' 28.516 38.129 -51.579 65 G P 29.872 38.972 -51.757 O3' 31.073 42.103 -55.385 66 A P 32.458 42.749 -54.918 O3' 33.704 47.493 -55.760 67 G P 34.959 47.681 -54.777 O3' 35.921 52.080 -52.820 68 C P 37.395 51.721 -52.367 O3' 38.909 53.475 -47.791 69 U P 40.300 52.989 -47.169 O3' 41.763 52.013 -42.558 70 A P 43.327 51.632 -42.513 O3' 46.452 51.130 -38.252 71 A P 47.587 51.137 -39.370 O3' 50.976 47.463 -37.145 72 G P 51.900 46.832 -38.278 O3' 53.437 42.236 -38.939 73 C P 54.035 42.562 -40.377 O3' 53.784 38.689 -43.923 74 U P 54.550 39.317 -45.193 O3' 55.146 38.309 -49.882 75 C P 56.130 39.484 -50.348 O3' 56.138 41.096 -54.905 76 U P 57.371 42.124 -54.915 O3' 56.968 46.127 -58.081 77 U P 58.370 46.856 -57.808 O3' 58.985 51.976 -57.925 78 A P 60.502 52.307 -57.512 O3' 61.431 57.087 -55.711 79 G P 63.004 57.148 -55.393 O3' 65.484 58.819 -51.494 80 U P 66.750 58.301 -52.337 O3' 67.696 54.553 -49.426 81 A P 66.179 54.087 -49.318 O3' 65.311 52.599 -44.005 82 A P 63.898 52.433 -43.273 O3' 61.622 53.778 -38.847 83 U P 60.304 52.886 -39.096 O3' 56.204 55.759 -41.588 84 A P 54.850 54.913 -41.529 O3' 51.769 57.016 -45.398 85 A P 50.526 56.148 -45.890 O3' 48.174 56.150 -50.192 86 G P 47.006 55.059 -50.080 O3' 45.577 52.052 -54.100 87 A P 44.579 50.868 -53.662 O3' 43.852 46.556 -55.308 88 G P 42.596 45.899 -54.573 O3' 42.324 40.469 -52.891 89 A P 40.800 40.643 -52.431 O3' 40.381 36.506 -49.330 90 A P 39.073 36.730 -48.442 O3' 37.998 35.499 -44.141 91 A P 36.679 36.118 -43.465 O3' 35.245 38.867 -39.327 92 G P 33.839 39.580 -39.585 O3' 32.485 43.707 -37.369 93 U P 31.009 44.247 -37.576 O3' 29.414 49.248 -39.316 94 G P 27.952 48.963 -38.774 O3' 24.123 49.357 -42.574 95 C P 22.811 48.777 -41.863 O3' 24.359 47.635 -37.072 96 A P 24.532 46.675 -35.810 O3' 19.237 47.497 -33.409 97 A P 18.585 46.548 -32.238 O3' 16.354 50.098 -32.878 98 C P 15.104 50.974 -33.366 O3' 18.636 52.658 -36.414 99 G P 20.179 52.328 -36.119 O3' 24.715 56.198 -35.886 100 A P 26.183 56.206 -35.232 O3' 29.191 59.772 -33.734 101 C P 30.484 58.837 -33.725 O3' 34.007 59.737 -30.056 102 U P 35.169 58.649 -30.197 O3' 38.027 56.686 -26.989 103 A P 38.702 55.272 -27.260 O3' 40.873 51.651 -23.935 104 U P 42.398 52.081 -23.640 O3' 43.198 51.104 -18.826 105 U P 43.485 49.696 -18.134 O3' 45.608 48.907 -13.527 106 C P 45.491 47.336 -13.296 O3' 45.268 45.129 -8.945 107 C P 44.765 43.621 -9.135 O3' 42.476 40.774 -5.857 108 G P 42.089 39.391 -6.561 O3' 38.440 36.584 -5.774 109 A P 39.055 35.410 -6.676 O3' 35.660 35.702 -11.003 110 U P 34.317 36.543 -11.284 O3' 29.859 37.469 -11.985 111 A P 29.782 39.072 -11.847 O3' 25.814 41.842 -9.961 112 G P 26.591 43.071 -10.651 O3' 28.003 46.020 -6.200 113 G P 28.172 47.598 -6.453 O3' 31.648 50.270 -3.392 114 A P 31.946 51.731 -3.988 O3' 36.679 53.725 -3.070 115 A P 36.537 55.257 -3.502 O3' 40.274 57.632 -6.984 116 G P 39.999 59.214 -6.883 O3' 38.796 61.792 -11.767 117 U P 38.641 61.748 -13.388 O3' 41.105 61.251 -17.327 118 A P 40.421 61.986 -18.588 O3' 39.406 61.402 -23.238 119 G P 38.467 62.544 -23.851 O3' 33.877 62.685 -25.524 120 G P 33.113 64.090 -25.376 O3' 27.698 65.008 -24.170 121 G P 27.102 66.472 -24.206 O3' 23.179 67.788 -21.438 122 U P 23.183 69.337 -21.860 O3' 22.335 73.137 -18.674 123 C P 22.520 74.426 -19.586 O3' 24.440 78.804 -17.354 124 A P 25.039 79.980 -18.270 O3' 28.873 82.874 -17.903 125 A P 28.608 83.513 -19.343 O3' 33.873 85.078 -21.010 126 G P 35.453 84.956 -21.344 O3' 38.582 81.173 -18.459 127 U P 39.878 80.366 -17.979 O3' 41.095 74.669 -18.769 128 G P 41.806 74.861 -17.348 O3' 38.941 74.283 -12.608 129 A P 38.129 73.097 -11.872 O3' 34.486 72.719 -8.874 130 C P 34.653 71.164 -8.515 O3' 30.332 68.621 -7.526 131 U P 30.841 67.116 -7.300 O3' 27.484 63.616 -8.926 132 C P 27.916 62.108 -9.224 O3' 26.208 58.213 -13.072 133 G P 26.989 56.914 -12.568 O3' 30.140 53.922 -14.574 134 A P 31.288 52.920 -14.053 O3' 32.864 49.396 -17.966 135 A P 34.129 48.590 -17.475 O3' 37.224 45.630 -20.525 136 A P 37.830 44.612 -21.550 O3' 37.524 41.176 -24.210 137 U P 36.531 39.991 -23.646 O3' 35.188 37.023 -28.509 138 G P 36.269 37.231 -29.657 O3' 37.243 37.819 -34.463 139 G P 38.706 37.187 -34.568 O3' 42.434 38.529 -37.656 140 G P 43.418 37.348 -37.217 O3' 48.347 37.681 -36.977 141 G P 48.732 36.273 -36.320 O3' 53.026 36.378 -33.543 142 A P 53.363 34.838 -33.268 O3' 55.071 32.648 -28.174 143 U P 55.098 31.040 -28.016 O3' 54.691 29.175 -22.952 144 U P 54.378 27.630 -22.639 O3' 51.376 25.670 -19.313 145 A P 51.870 24.208 -19.750 O3' 48.330 20.483 -18.159 146 C P 48.872 19.125 -18.843 O3' 46.174 15.020 -20.419 147 C P 47.163 14.273 -21.444 O3' 45.532 11.031 -24.979 148 C P 46.809 10.315 -25.649 O3' 46.211 8.288 -30.313 149 U P 47.202 7.080 -29.928 O3' 51.187 6.734 -33.661 150 U P 51.939 5.372 -33.250 O3' 55.337 7.481 -34.004 151 C P 56.943 7.678 -33.942 O3' 59.096 11.526 -30.354 152 U P 60.585 11.052 -30.729 O3' 62.905 16.142 -31.416 153 A P 63.128 17.735 -31.344 O3' 59.285 20.533 -34.825 154 G P 57.897 21.337 -34.943 O3' 53.188 20.645 -37.093 155 G P 51.917 21.268 -36.321 O3' 47.372 19.010 -37.313 156 G P 46.546 20.354 -37.024 O3' 41.879 19.952 -34.501 157 U P 41.235 21.304 -33.902 O3' 38.335 22.259 -30.162 158 A P 38.027 23.830 -30.194 O3' 37.354 26.526 -25.769 159 G P 36.946 28.022 -26.128 O3' 32.959 29.171 -29.873 160 U P 32.786 30.683 -30.329 O3' 28.019 33.611 -30.985 161 G P 28.545 35.088 -31.355 O3' 26.104 39.348 -28.753 162 A P 24.636 39.263 -29.418 O3' 28.117 39.903 -33.862 163 U P 27.219 40.588 -35.031 O3' 22.568 43.054 -32.681 164 A P 22.289 42.469 -31.225 O3' 22.978 45.237 -28.082 165 U P 23.649 44.880 -26.641 O3' 25.866 44.343 -23.371 166 A P 25.402 45.683 -22.628 O3' 27.333 48.621 -18.810 167 G P 26.004 49.528 -18.750 O3' 26.926 54.524 -17.527 168 U P 25.459 55.172 -17.632 O3' 25.710 60.125 -18.709 169 C P 24.198 60.633 -18.673 O3' 22.087 63.365 -23.231 170 U P 20.529 63.736 -23.163 O3' 18.031 63.474 -27.597 171 G P 16.879 64.137 -26.725 O3' 14.182 61.813 -30.022 172 A P 13.724 61.023 -31.337 O3' 12.234 57.855 -33.427 173 A P 10.717 58.147 -32.972 O3' 7.611 55.575 -29.113 174 C P 6.025 55.850 -29.256 O3' 1.857 58.514 -26.188 175 A P 0.438 58.286 -26.906 O3' -0.921 58.765 -32.165 176 U P -1.098 60.306 -32.590 O3' -1.183 64.437 -32.220 177 A P -1.583 64.754 -33.745 O3' -0.557 68.638 -36.076 178 U P -1.393 67.975 -37.249 O3' 0.548 69.810 -41.967 179 A P -0.037 68.953 -43.195 O3' 1.673 67.039 -47.578 180 U P 0.889 65.706 -48.017 O3' 2.500 61.679 -50.832 181 G P 1.400 60.555 -51.227 O3' 1.181 55.501 -51.567 182 G P -0.413 55.394 -51.305 O3' -3.296 51.485 -49.493 183 A P -4.868 51.767 -49.309 O3' -6.255 53.625 -44.309 184 A P -5.027 54.590 -43.951 O3' -4.036 52.804 -38.698 185 A P -2.655 53.331 -38.062 O3' 0.003 50.190 -34.898 186 C P 1.281 51.156 -34.736 O3' 5.739 50.731 -38.357 187 A P 6.994 51.594 -37.844 O3' 10.431 52.927 -41.296 188 U P 11.039 54.202 -40.529 O3' 13.141 57.931 -43.299 189 A P 13.963 58.927 -42.335 O3' 14.581 63.664 -42.644 190 U P 15.206 64.031 -41.220 O3' 14.221 69.093 -38.617 191 A P 14.236 69.417 -37.053 O3' 11.493 72.050 -34.376 192 G P 12.272 71.882 -32.997 O3' 9.899 72.819 -28.535 193 A P 11.088 72.687 -27.458 O3' 10.226 76.975 -24.156 194 A P 9.525 78.222 -24.936 O3' 11.961 82.381 -26.640 195 G P 13.528 82.081 -26.793 O3' 16.405 78.171 -28.945 196 G P 17.793 77.760 -29.628 O3' 19.380 73.436 -31.270 197 A P 20.801 73.676 -31.964 O3' 21.935 70.490 -35.888 198 U P 23.346 70.648 -36.629 O3' 24.962 70.058 -41.068 199 A P 26.508 70.461 -40.914 O3' 28.416 72.414 -45.337 200 G P 29.872 73.097 -45.331 O3' 32.048 78.136 -46.799 201 G P 33.450 78.346 -46.095 O3' 34.943 83.027 -45.786 202 A P 36.434 82.846 -45.272 O3' 38.592 86.189 -41.298 203 G P 40.017 85.496 -41.241 O3' 41.761 85.333 -36.454 204 U P 43.095 84.487 -36.564 O3' 45.011 81.794 -32.624 205 A P 46.399 81.704 -33.410 O3' 46.417 76.853 -34.792 206 A P 44.895 77.170 -35.132 O3' 41.723 73.181 -33.794 207 C P 40.386 73.776 -34.407 O3' 36.215 72.495 -31.097 208 G P 34.883 73.354 -31.403 O3' 31.902 74.775 -27.940 209 A P 30.719 75.446 -28.757 O3' 28.221 80.349 -27.372 210 A P 27.301 80.812 -28.579 O3' 27.541 85.716 -29.583 211 C P 26.493 85.750 -30.801 O3' 26.920 88.909 -34.531 212 C P 25.682 88.604 -35.495 O3' 25.288 89.158 -40.216 213 U P 23.838 88.537 -40.459 O3' 22.675 87.122 -45.259 214 A P 21.176 86.581 -45.353 O3' 19.269 82.692 -48.247 215 U P 17.874 81.944 -47.981 O3' 15.713 77.614 -47.965 216 C P 14.299 77.751 -47.220 O3' 11.928 73.634 -45.618 217 C P 10.490 74.194 -45.198 O3' 7.882 72.651 -40.972 218 G P 6.684 73.630 -40.524 O3' 5.479 74.888 -35.636 219 U P 4.095 75.499 -36.194 O3' 3.140 77.353 -31.247 220 A P 1.642 77.912 -31.229 O3' 0.291 75.835 -28.220 221 A P 1.403 75.492 -27.111 O3' 0.996 71.666 -22.691 222 C P 2.345 71.767 -21.813 O3' 3.660 66.900 -19.643 223 A P 5.061 66.183 -19.329 O3' 9.767 69.081 -21.148 224 U P 11.322 68.632 -20.994 O3' 13.060 65.378 -16.942 225 A P 14.147 64.311 -16.435 O3' 13.305 60.388 -13.198 226 A P 14.881 60.327 -13.500 O3' 14.354 54.730 -13.510 227 U P 15.308 53.577 -14.085 O3' 14.420 49.889 -17.112 228 U P 15.893 49.617 -17.685 O3' 16.190 46.965 -22.067 229 G P 16.740 46.275 -23.417 O3' 19.909 44.506 -27.202 90 syn 135 syn 5 26 W W c 6 25 W W c 7 24 W W c 8 23 - - c 9 22 - - c 10 21 - - c 11 19 W W c 11 20 - - c 12 19 + + c 13 18 - - c 14 17 W H t 31 143 - - c 32 142 - - c 33 141 + + c 34 140 + + c 35 139 W W c 36 138 + + c 39 92 S S t 41 66 - - c 42 65 + + c 43 64 - - c 44 63 + + c 45 62 + + c 47 60 S H t 48 59 H S t 51 57 W W c 52 56 + + c 53 55 - - c 62 163 H H c 67 93 W W c 68 92 + + c 69 91 W W c 71 139 W S t 72 89 W W c 73 88 + + c 74 87 - - c 75 86 + + c 76 85 - - c 77 84 - - c 78 83 - - c 79 82 W H t 96 100 W H t 97 170 - - c 99 169 + + c 99 229 H W c 100 168 - - c 101 167 + + c 102 135 W W c 102 166 - - c 103 165 - - c 104 115 W W c 105 114 - - c 106 113 + + c 107 112 + + c 108 111 W H t 117 134 W H t 119 132 + + c 120 131 W W c 121 130 + + c 122 129 - - c 123 128 + + c 125 208 W S t 126 207 + + c 127 206 - - c 134 135 S W c 144 158 - - c 145 157 - - c 147 155 + + c 148 154 + + c 172 228 - - c 173 227 - - c 174 223 W H c 176 191 W W c 177 190 - - c 178 189 - - c 179 188 - - c 180 187 - - c 181 186 + + c 182 185 W H t 192 222 S W t 195 217 + + c 196 216 + + c 197 215 - - c 198 214 - - c 199 213 - - c 200 212 + + c 201 211 + + c 202 210 W W c 3 159 ! ! ! 14 18 ! ! ! 37 138 ! ! ! 46 61 ! ! ! 63 163 ! ! ! 98 170 ! ! ! 101 164 ! ! ! 169 229 ! ! ! 176 221 ! ! ! 7 27 ! ! ! 14 16 ! ! ! 17 155 ! ! ! 38 69 ! ! ! 40 94 ! ! ! 42 94 ! ! ! 56 185 ! ! ! 132 169 ! ! ! 176 220 ! ! ! 16 148 ! ! ! 17 18 ! ! ! 18 156 ! ! ! 30 31 ! ! ! 30 158 ! ! ! 31 159 ! ! ! 36 70 ! ! ! 39 68 ! ! ! 40 41 ! ! ! 40 93 ! ! ! 50 51 ! ! ! 52 185 ! ! ! 53 184 ! ! ! 60 97 ! ! ! 61 62 ! ! ! 69 70 ! ! ! 97 98 ! ! ! 101 119 ! ! ! 103 104 ! ! ! 115 134 ! ! ! 116 117 ! ! ! 116 134 ! ! ! 120 169 ! ! ! 125 126 ! ! ! 133 167 ! ! ! 134 166 ! ! ! 150 151 ! ! ! 151 152 ! ! ! 192 193 ! ! ! 204 207 ! ! ! 223 224 ! ! ! 5 26 10 31 143 6 144 158 2 147 155 2 41 66 8 67 93 3 72 89 8 51 57 3 99 169 5 172 228 2 104 115 5 119 132 5 125 208 3 176 191 7 195 217 8 SG1 15 16 SG2 27 30 SG3 37 40 SG4 49 50 SG5 54 54 SG6 58 58 SG7 70 71 SG8 80 81 SG9 90 90 SG10 94 98 SG11 109 110 SG12 116 118 SG13 124 124 SG14 133 137 SG15 146 146 SG16 149 153 SG17 156 156 SG18 159 164 SG19 170 171 SG20 174 175 SG21 183 184 SG22 192 194 SG23 203 205 SG24 209 209 SG25 218 226 SG26 229 229 1 318.607 120.300 2 332.651 128.285 3 346.696 136.270 4 360.740 144.255 5 388.829 160.226 6 402.874 168.211 7 416.918 176.196 8 430.963 184.181 9 445.007 192.167 10 459.052 200.152 11 473.096 208.137 12 487.141 216.122 13 501.185 224.107 14 515.230 232.092 15 538.362 236.486 16 550.000 216.017 17 534.394 198.386 18 520.350 190.400 19 506.305 182.415 20 492.261 174.430 21 478.216 166.445 22 464.172 158.460 23 450.127 150.474 24 436.083 142.489 25 422.038 134.504 26 407.994 126.519 27 412.785 118.092 28 417.576 109.665 29 422.367 101.239 30 427.158 92.812 31 371.374 288.420 32 355.496 285.439 33 339.617 282.458 34 323.739 279.478 35 307.860 276.497 36 291.982 273.516 37 282.455 271.727 38 272.927 269.939 39 263.400 268.150 40 253.873 266.362 41 265.158 207.124 42 265.158 190.968 43 265.158 174.813 44 265.158 158.657 45 265.158 142.501 46 265.158 126.345 47 265.158 110.189 48 265.158 94.033 49 265.158 84.340 50 265.158 74.646 51 286.207 51.064 52 283.650 35.112 53 281.093 19.160 54 258.388 0.000 55 242.808 25.297 56 245.365 41.249 57 247.922 57.201 58 303.932 84.340 59 303.932 94.033 60 303.932 110.189 61 303.932 126.345 62 303.932 142.501 63 303.932 158.657 64 303.932 174.813 65 303.932 190.968 66 303.932 207.124 67 303.932 239.436 68 303.932 255.592 69 303.932 271.748 70 303.932 287.904 71 303.932 320.215 72 303.932 336.371 73 303.932 352.527 74 303.932 368.683 75 303.932 384.839 76 303.932 400.995 77 303.932 417.150 78 303.932 433.306 79 303.932 449.462 80 296.318 471.743 81 272.772 471.743 82 265.158 449.462 83 265.158 433.306 84 265.158 417.150 85 265.158 400.995 86 265.158 384.839 87 265.158 368.683 88 265.158 352.527 89 265.158 336.371 90 265.158 304.059 91 265.158 271.748 92 265.158 255.592 93 265.158 239.436 94 255.465 239.436 95 245.771 239.436 96 236.078 239.436 97 226.384 239.436 98 216.691 239.436 99 210.834 188.497 100 223.122 198.986 101 235.410 209.475 102 247.698 219.964 103 259.985 230.453 104 238.213 234.899 105 254.259 236.781 106 270.305 238.663 107 286.351 240.545 108 302.397 242.426 109 323.639 252.584 110 320.896 275.969 111 297.880 280.936 112 281.834 279.055 113 265.789 277.173 114 249.743 275.291 115 233.697 273.409 116 224.069 272.280 117 214.442 271.151 118 204.814 270.022 119 160.933 314.396 120 144.816 313.282 121 128.698 312.167 122 112.581 311.053 123 96.464 309.938 124 86.793 309.270 125 48.726 340.557 126 57.400 354.187 127 66.073 367.818 128 99.138 271.257 129 115.256 272.371 130 131.373 273.486 131 147.490 274.600 132 163.608 275.714 133 237.192 302.682 134 246.719 304.470 135 256.246 306.259 136 265.773 308.047 137 275.300 309.836 138 284.828 311.624 139 300.706 314.605 140 316.584 317.586 141 332.463 320.567 142 348.341 323.548 143 364.220 326.529 144 395.977 332.490 145 411.855 335.471 146 427.734 338.452 147 459.491 344.414 148 475.369 347.395 149 491.035 355.157 150 507.847 350.358 151 517.055 335.495 152 513.865 318.304 153 499.938 307.734 154 482.523 309.286 155 466.645 306.306 156 450.766 303.325 157 419.009 297.363 158 403.131 294.382 159 404.919 284.855 160 406.708 275.328 161 408.497 265.801 162 410.285 256.274 163 412.074 246.747 164 413.862 237.219 165 234.812 259.944 166 222.524 249.455 167 210.236 238.966 168 197.948 228.477 169 185.660 217.987 170 179.367 225.360 171 173.073 232.733 172 161.085 197.009 173 148.797 186.520 174 141.424 180.227 175 134.052 173.933 176 119.033 139.610 177 116.841 123.604 178 114.650 107.597 179 112.458 91.591 180 110.266 75.584 181 108.075 59.578 182 105.883 43.571 183 110.405 20.463 184 133.733 17.269 185 144.299 38.311 186 146.491 54.318 187 148.682 70.324 188 150.874 86.331 189 153.065 102.337 190 155.257 118.344 191 157.448 134.350 192 158.763 143.954 193 160.078 153.558 194 161.393 163.162 195 0.000 203.056 196 6.808 217.708 197 13.616 232.359 198 20.423 247.011 199 27.231 261.662 200 34.039 276.314 201 40.847 290.965 202 47.655 305.617 203 114.398 371.537 204 109.194 363.358 205 103.990 355.180 206 98.786 347.002 207 90.113 333.372 208 81.439 319.741 209 76.235 311.563 210 82.818 289.278 211 76.010 274.626 212 69.203 259.975 213 62.395 245.323 214 55.587 230.672 215 48.779 216.020 216 41.971 201.369 217 35.164 186.717 218 107.617 100.388 219 114.990 106.681 220 122.362 112.975 221 129.735 119.268 222 137.108 125.562 223 144.480 131.855 224 151.853 138.149 225 159.226 144.442 226 166.598 150.736 227 173.971 157.029 228 186.259 167.518 229 384.696 102.122 1 4 1 2 3 4 G CUU Crystallography ? ? Angstroms 1 G O3' 24.848 25.977 -16.699 2 C P 24.215 27.452 -16.662 O3' 26.118 31.522 -19.326 3 U P 25.102 32.768 -19.386 O3' 24.504 36.080 -22.968 4 U P 23.504 37.010 -22.135 O3' 20.578 40.154 -25.205 1 379.905 110.549 2 365.860 102.563 3 351.816 94.578 4 337.771 86.593 1 4 W W c 2 3 - - c 3 2 + + c 4 1 + + c 159 2 W S t 30 2 ! ! ! 61 4 ! ! ! 160 3 ! ! ! 1 4 4