1 13 1 2 3 4 5 6 7 8 9 10 11 12 13 UCCCAGUCCA CCG Crystallography ? ? Angstroms 1 U O3' -44.819 -30.023 54.517 2 C P -44.165 -30.567 53.168 O3' -44.193 -27.418 48.502 3 C P -43.476 -28.525 47.573 O3' -41.428 -26.536 43.676 4 C P -41.089 -27.778 42.712 O3' -36.441 -28.477 39.483 5 A P -37.110 -29.721 38.711 O3' -33.202 -33.489 38.300 6 G P -33.969 -34.593 37.413 O3' -29.791 -39.028 36.816 7 U P -30.578 -40.342 37.286 O3' -28.410 -44.300 39.224 8 C P -29.576 -45.384 39.016 O3' -31.222 -48.558 42.495 9 C P -32.529 -49.240 41.861 O3' -36.710 -50.712 43.973 10 A P -37.564 -51.333 42.759 O3' -42.543 -51.554 42.484 11 C P -42.747 -52.289 41.072 O3' -46.900 -51.402 38.136 12 C P -46.704 -52.107 36.703 O3' -48.721 -50.229 32.415 13 G P -48.299 -51.220 31.225 O3' -47.764 -50.173 26.434 SG1 1 1 SG2 5 7 1 33.340 152.766 2 44.718 164.715 3 63.682 184.631 4 82.645 204.547 5 101.608 224.462 6 139.535 264.294 7 177.462 304.125 8 215.389 343.957 9 234.353 363.873 10 253.316 383.788 11 272.280 403.704 12 291.243 423.620 13 310.207 443.536 1 12 2 3 4 5 6 7 8 9 10 11 12 13 CGGUGAA AAGGG Crystallography ? ? Angstroms 1 C O3' -34.925 -41.592 26.476 2 G P -35.491 -40.692 27.678 O3' -40.211 -38.792 28.020 3 G P -40.234 -38.142 29.488 O3' -44.426 -37.617 32.128 4 U P -43.979 -36.873 33.478 O3' -46.545 -37.556 37.871 5 G P -45.739 -36.794 39.029 O3' -46.038 -38.359 43.832 6 A P -45.105 -37.302 44.605 O3' -42.336 -38.929 48.794 7 A P -41.672 -37.546 49.283 O3' -36.431 -38.013 50.855 8 A P -35.294 -36.936 51.222 O3' -30.409 -38.145 52.378 9 A P -30.222 -36.761 53.147 O3' -25.873 -34.150 52.141 10 G P -26.147 -32.782 52.928 O3' -25.066 -28.261 50.666 11 G P -25.715 -27.099 51.564 O3' -27.238 -22.658 49.421 12 G P -27.853 -21.822 50.631 O3' -31.759 -18.715 49.732 SG1 7 9 1 358.004 398.023 2 339.041 378.108 3 320.077 358.192 4 301.114 338.276 5 282.151 318.360 6 263.187 298.445 7 244.224 278.529 8 206.297 238.697 9 168.370 198.866 10 130.443 159.034 11 111.479 139.119 12 92.516 119.203 1 17 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 GGCAG AGAAACACAC GA Crystallography ? ? Angstroms 1 G O3' -43.889 -16.662 46.202 2 G P -43.223 -17.458 44.972 O3' -45.927 -18.915 40.937 3 C P -44.769 -19.449 39.969 O3' -44.908 -18.759 34.811 4 A P -43.488 -19.283 34.271 O3' -40.798 -17.395 30.466 5 G P -39.400 -18.184 30.439 O3' -35.080 -16.122 28.788 6 A P -34.151 -17.413 29.016 O3' -29.258 -16.353 30.438 7 G P -28.661 -17.833 30.564 O3' -25.482 -18.877 34.287 8 A P -24.947 -20.357 33.941 O3' -21.244 -21.844 38.055 9 A P -20.995 -23.414 38.279 O3' -19.485 -24.108 43.196 10 A P -19.079 -25.656 43.288 O3' -20.362 -28.682 47.214 11 C P -19.816 -30.100 46.703 O3' -22.773 -34.522 47.543 12 A P -21.870 -35.750 47.049 O3' -24.168 -39.898 44.937 13 C P -22.916 -40.797 44.527 O3' -23.107 -43.319 39.968 14 A P -21.734 -44.141 39.864 O3' -19.474 -44.897 35.314 15 C P -18.145 -45.678 35.767 O3' -13.647 -44.514 32.989 16 G P -12.366 -45.127 33.728 O3' -7.770 -42.585 33.366 17 A P -6.979 -43.692 34.216 O3' -3.063 -41.936 37.201 SG1 10 11 1 0.000 0.000 2 0.000 27.500 3 0.000 55.000 4 0.000 82.500 5 0.000 110.000 6 0.000 137.500 7 0.000 165.000 8 0.000 220.000 9 0.000 247.500 10 0.000 275.000 11 0.000 330.000 12 0.000 412.500 13 0.000 440.000 14 0.000 467.500 15 0.000 495.000 16 0.000 522.500 17 0.000 550.000 1 19 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 UCGUGGUA CAUUACCUGC C Crystallography ? ? Angstroms 1 U O3' -10.931 -34.350 48.250 2 C P -11.903 -33.616 47.205 O3' -9.607 -31.209 43.202 3 G P -10.741 -30.657 42.216 O3' -10.200 -30.102 37.152 4 U P -11.467 -29.373 36.492 O3' -13.882 -30.686 32.133 5 G P -15.320 -29.992 31.961 O3' -19.142 -32.436 29.244 6 G P -20.342 -31.382 29.090 O3' -25.094 -34.732 28.605 7 U P -26.355 -34.407 27.687 O3' -30.899 -32.875 31.051 8 A P -31.130 -31.310 31.216 O3' -26.209 -29.451 32.796 9 C P -26.157 -28.968 31.266 O3' -31.154 -25.908 30.169 10 A P -31.604 -24.841 31.271 O3' -34.706 -26.653 35.050 11 U P -35.425 -25.257 35.380 O3' -35.797 -24.431 41.048 12 U P -36.405 -23.213 41.894 O3' -33.677 -19.622 44.633 13 A P -33.661 -18.195 43.923 O3' -30.293 -15.249 46.989 14 C P -30.988 -13.858 46.591 O3' -28.797 -10.213 43.883 15 C P -30.115 -9.315 43.683 O3' -30.703 -6.595 39.493 16 U P -32.153 -5.915 39.600 O3' -34.903 -4.544 35.583 17 G P -36.271 -3.970 36.190 O3' -40.699 -4.028 33.513 18 C P -41.887 -3.483 34.450 O3' -46.672 -4.704 34.033 19 C P -47.294 -3.810 35.206 O3' -51.388 -5.355 37.774 8 syn SG1 7 9 SG2 12 12 1 66.000 550.000 2 66.000 522.500 3 66.000 495.000 4 66.000 467.500 5 66.000 440.000 6 66.000 412.500 7 66.000 385.000 8 66.000 357.500 9 66.000 302.500 10 66.000 247.500 11 66.000 220.000 12 66.000 192.500 13 66.000 165.000 14 66.000 137.500 15 66.000 110.000 16 66.000 82.500 17 66.000 55.000 18 66.000 27.500 19 66.000 0.000 2 12 + + c 3 11 + + c 4 10 + + c 5 8 S H t 8 6 W W c 9 5 + + c 10 4 - - c 11 3 + + c 12 2 + + c 13 1 + + c 5 9 ! ! ! 2 12 3 8 6 6 6 11 + + c 5 8 ! ! ! 1 19 + + c 2 18 + + c 3 17 + + c 4 16 - - c 5 15 + + c 6 14 W W c 7 13 S H t 8 11 H W t 9 10 H W t 12 6 W W c 13 5 + + c 14 4 - - c 15 3 + + c 16 2 + + c 17 1 - - c 10 8 ! ! ! 1 19 7 8 11 2 12 6 6