1 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AGGAGAGAGA UGGGUGCGAG Crystallography ? ? Angstroms 1 A O3' 29.020 0.007 -0.027 2 G P 29.008 -1.085 1.146 O3' 27.512 3.394 3.211 3 G P 28.785 4.332 2.930 O3' 29.541 8.036 6.309 4 A P 30.498 8.942 5.404 O3' 33.985 11.680 8.233 5 G P 34.935 12.233 7.081 O3' 40.016 13.127 8.476 6 A P 41.011 13.508 7.274 O3' 46.091 13.202 7.440 7 G P 46.554 13.673 5.990 O3' 50.770 11.843 3.682 8 A P 50.787 12.690 2.336 O3' 52.999 10.469 -1.779 9 G P 52.841 11.644 -2.865 O3' 52.218 10.357 -7.910 10 A P 52.099 11.782 -8.656 O3' 49.092 11.769 -13.152 11 U P 49.072 13.299 -13.628 O3' 44.555 15.128 -15.471 12 G P 44.955 16.646 -15.815 O3' 41.891 20.494 -15.500 13 G P 42.931 21.716 -15.683 O3' 41.587 26.175 -13.331 14 G P 42.786 27.189 -13.611 O3' 44.068 31.023 -10.540 15 U P 45.382 31.654 -11.199 O3' 48.639 34.267 -7.905 16 G P 49.832 34.748 -8.853 O3' 54.779 34.963 -7.526 17 C P 55.397 35.366 -8.950 O3' 60.325 33.898 -9.920 18 G P 60.545 34.478 -11.403 O3' 63.492 31.692 -14.572 19 A P 63.382 32.469 -15.965 O3' 64.239 29.147 -20.261 20 G P 64.236 29.982 -21.625 O3' 63.268 27.228 -26.094 SG1 1 1 1 446.227 322.461 2 434.633 329.426 3 415.308 341.035 4 395.983 352.644 5 376.658 364.254 6 357.334 375.863 7 338.009 387.472 8 318.684 399.081 9 299.359 410.690 10 260.710 433.909 11 241.385 445.518 12 222.061 457.127 13 202.736 468.736 14 183.411 480.345 15 164.086 491.954 16 144.762 503.563 17 125.437 515.173 18 106.112 526.782 19 86.787 538.391 20 67.463 550.000 1 34 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 cucgcaccca ggcuagcuac aacgacucuc uccu 1 DC 2 DT 3 DC 4 DG 5 DC 6 DA 7 DC 8 DC 9 DC 10 DA 11 DG 12 DG 13 DC 14 DT 15 DA 16 DG 17 DC 18 DT 19 DA 20 DC 21 DA 22 DA 23 DC 24 DG 25 DA 26 DC 27 DT 28 DC 29 DT 30 DC 31 DT 32 DC 33 DC 34 DT LOOP1 22 22 Crystallography ? ? Angstroms 1 c O3' 47.366 26.968 -23.748 2 u P 47.574 25.991 -22.498 O3' 51.240 22.312 -22.306 3 c P 51.142 21.575 -20.886 O3' 55.404 19.176 -18.753 4 g P 55.045 18.661 -17.277 O3' 58.355 18.747 -13.425 5 c P 57.421 18.280 -12.208 O3' 58.960 19.897 -7.411 6 a P 57.890 19.196 -6.424 O3' 56.351 21.486 -2.150 7 c P 55.099 20.599 -1.683 O3' 51.101 23.062 0.910 8 c P 49.781 22.164 1.089 O3' 44.998 23.971 1.559 9 c P 44.145 22.631 1.797 O3' 39.373 21.968 0.015 10 a P 38.977 20.524 0.564 O3' 35.635 17.771 -2.487 11 g P 35.333 16.626 -1.401 O3' 33.247 12.469 -4.860 12 g P 32.258 11.347 -4.282 O3' 30.317 10.428 -9.695 13 c P 29.762 11.835 -10.210 O3' 24.485 11.648 -11.943 14 u P 23.288 12.730 -11.987 O3' 17.926 11.178 -11.062 15 a P 16.561 12.026 -10.777 O3' 13.002 10.419 -6.570 16 g P 11.503 11.005 -6.472 O3' 11.037 12.947 -1.262 17 c P 9.563 13.522 -0.883 O3' 10.197 15.253 4.111 18 u P 9.064 16.327 4.491 O3' 10.300 20.220 7.636 19 a P 9.566 21.641 7.925 O3' 10.658 25.930 10.874 20 c P 9.453 26.925 11.241 O3' 10.351 32.216 8.550 21 a P 9.384 33.528 8.611 O3' 8.740 34.836 3.379 22 a P 7.838 35.879 2.544 O3' 6.020 33.578 -2.699 23 c P 6.595 34.200 -4.072 O3' 11.959 32.982 -6.118 24 g P 12.713 31.877 -7.027 O3' 17.206 29.938 -3.769 25 a P 18.474 29.145 -4.320 O3' 22.314 28.088 -0.723 26 c P 22.674 27.986 0.850 O3' 19.712 32.216 2.473 27 u P 18.629 32.713 1.379 O3' 17.373 37.491 0.425 28 c P 16.219 37.398 -0.683 O3' 16.446 40.203 -5.672 29 u P 15.774 39.951 -7.151 O3' 16.763 41.391 -11.827 30 c P 15.644 40.565 -12.667 O3' 17.132 39.098 -17.795 31 u P 16.100 38.158 -18.629 O3' 17.913 34.940 -22.468 32 c P 16.579 34.246 -23.028 O3' 17.097 29.089 -24.579 33 c P 15.718 28.354 -25.010 O3' 15.511 23.142 -24.399 34 u P 14.083 22.754 -25.064 O3' 11.858 18.428 -21.500 18 25 - - c 20 24 + + c 20 23 ! ! ! 21 23 ! ! ! 20 24 2 SG1 18 19 SG2 22 22 SG3 25 25 SG4 34 34 1 39.601 503.621 2 58.925 492.012 3 78.250 480.402 4 97.575 468.793 5 116.900 457.184 6 136.224 445.575 7 155.549 433.966 8 174.874 422.357 9 194.199 410.747 10 213.523 399.138 11 232.848 387.529 12 178.766 206.602 13 181.633 184.241 14 184.500 161.881 15 187.367 139.520 16 190.235 117.160 17 193.102 94.799 18 172.004 46.637 19 185.420 48.357 20 198.836 50.078 21 201.704 27.717 22 232.532 0.000 23 255.369 34.598 24 252.502 56.959 25 265.918 58.679 26 0.000 255.470 27 0.000 232.926 28 0.000 210.382 29 0.000 187.839 30 0.000 165.295 31 0.000 142.751 32 0.000 120.208 33 0.000 97.664 34 0.000 84.138 1 20 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 AGGAGA GAGAUGGGUG CGAG Crystallography ? ? Angstroms 1 A O3' 11.494 24.277 -6.776 2 G P 10.437 24.437 -7.985 O3' 13.970 20.969 -9.408 3 G P 15.352 21.720 -9.116 O3' 19.173 20.966 -12.387 4 A P 20.313 21.773 -11.582 O3' 24.138 23.710 -14.547 5 G P 24.930 24.448 -13.366 O3' 27.853 28.531 -15.407 6 A P 28.521 29.522 -14.298 O3' 29.722 34.304 -15.351 7 G P 30.457 34.696 -13.962 O3' 30.050 39.534 -12.218 8 A P 30.891 39.435 -10.827 O3' 29.826 42.836 -6.822 9 G P 31.076 42.455 -5.855 O3' 29.713 42.810 -0.397 10 A P 30.987 42.415 0.512 O3' 29.696 39.764 4.824 11 U P 31.105 39.353 5.498 O3' 31.847 34.745 7.294 12 G P 33.421 34.914 7.484 O3' 35.906 30.263 7.531 13 G P 37.430 30.709 7.773 O3' 41.161 27.885 5.470 14 G P 42.555 28.641 5.692 O3' 46.526 27.995 2.476 15 U P 47.666 28.846 3.213 O3' 51.143 30.869 -0.358 16 G P 52.096 31.815 0.526 O3' 53.839 36.488 -0.749 17 C P 54.611 37.189 0.502 O3' 55.052 42.278 0.622 18 G P 55.970 42.360 1.930 O3' 54.376 46.375 5.200 19 A P 55.166 46.287 6.620 O3' 53.301 48.101 11.074 20 G P 54.458 47.647 12.104 O3' 53.068 47.328 17.192 1 syn 1 2 ! ! ! SG1 1 1 1 54.105 84.138 2 54.105 97.664 3 54.105 120.208 4 54.105 142.751 5 54.105 165.295 6 54.105 187.839 7 54.105 210.382 8 54.105 232.926 9 54.105 255.470 10 54.105 300.557 11 54.105 323.101 12 54.105 345.645 13 54.105 368.188 14 54.105 390.732 15 54.105 413.276 16 54.105 435.819 17 54.105 458.363 18 54.105 480.907 19 54.105 503.450 20 54.105 525.994 1 34 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 cucgca cccaggcuag cuacaacgac ucucuccu 1 DC 2 DT 3 DC 4 DG 5 DC 6 DA 7 DC 8 DC 9 DC 10 DA 11 DG 12 DG 13 DC 14 DT 15 DA 16 DG 17 DC 18 DT 19 DA 20 DC 21 DA 22 DA 23 DC 24 DG 25 DA 26 DC 27 DT 28 DC 29 DT 30 DC 31 DT 32 DC 33 DC 34 DT LOOP2 22 22 Crystallography ? ? Angstroms 1 c O3' 46.308 32.827 15.182 2 u P 45.090 33.329 14.240 O3' 42.433 37.724 14.539 3 c P 41.612 37.518 13.170 O3' 40.402 42.385 10.755 4 g P 39.787 42.569 9.260 O3' 40.699 45.636 5.601 5 c P 39.657 44.800 4.690 O3' 41.070 45.576 -0.742 6 a P 40.177 44.668 -1.737 O3' 41.974 42.577 -6.204 7 c P 40.660 41.756 -6.636 O3' 41.475 37.202 -9.244 8 c P 40.085 36.416 -9.305 O3' 40.059 31.179 -9.641 9 c P 38.525 30.835 -9.908 O3' 36.272 26.830 -7.545 10 a P 34.704 26.789 -7.861 O3' 31.367 24.445 -4.970 11 g P 29.952 24.452 -5.726 O3' 25.801 23.826 -1.793 12 g P 24.384 23.213 -2.176 O3' 23.980 22.399 2.924 13 c P 24.821 21.033 3.028 O3' 23.416 16.813 6.065 14 u P 24.168 15.380 5.982 O3' 20.579 11.183 6.152 15 a P 20.951 9.634 6.335 O3' 17.452 6.149 3.660 16 g P 17.469 4.539 3.443 O3' 16.753 3.169 -1.852 17 c P 17.089 1.830 -2.677 O3' 17.626 2.914 -8.363 18 u P 18.101 1.887 -9.522 O3' 20.890 2.207 -13.463 19 a P 20.537 0.813 -14.202 O3' 23.879 -1.441 -18.013 20 c P 24.121 -2.983 -18.385 O3' 29.402 -5.029 -17.577 21 a P 29.867 -6.521 -17.901 O3' 31.792 -8.820 -12.780 22 a P 33.083 -9.770 -12.787 O3' 32.702 -10.838 -7.020 23 c P 34.149 -11.182 -6.436 O3' 35.645 -5.613 -4.454 24 g P 35.664 -4.570 -3.224 O3' 34.313 0.601 -5.475 25 a P 34.763 1.869 -4.602 O3' 34.629 6.508 -8.193 26 c P 35.583 7.787 -8.090 O3' 38.977 4.175 -9.836 27 u P 38.978 3.123 -8.621 O3' 42.937 0.206 -6.971 28 c P 42.497 -0.403 -5.548 O3' 46.238 -1.619 -2.094 29 u P 45.593 -2.149 -0.726 O3' 48.188 -2.004 3.623 30 c P 47.099 -2.685 4.600 O3' 46.246 -0.921 9.604 31 u P 44.967 -1.294 10.538 O3' 43.305 1.075 14.413 32 c P 42.409 -0.179 14.825 O3' 37.957 1.751 17.539 33 c P 36.774 0.719 17.870 O3' 31.853 2.495 18.077 34 u P 30.929 1.317 18.653 O3' 25.822 0.827 17.458 24 syn 25 syn 18 25 - - c 20 24 + + c 21 23 S H c 17 25 ! ! ! 20 24 2 SG1 18 19 SG2 22 22 SG3 25 25 SG4 34 34 1 0.000 525.994 2 0.000 503.450 3 0.000 480.907 4 0.000 458.363 5 0.000 435.819 6 0.000 413.276 7 0.000 390.732 8 0.000 368.188 9 0.000 345.645 10 0.000 323.101 11 0.000 300.557 12 246.767 101.680 13 243.900 124.041 14 241.033 146.401 15 238.166 168.762 16 235.298 191.123 17 232.431 213.483 18 245.848 215.204 19 259.264 216.924 20 226.697 258.204 21 223.829 280.565 22 193.001 308.282 23 170.164 273.684 24 173.031 251.323 25 264.532 352.716 26 271.497 364.311 27 290.822 352.702 28 310.147 341.093 29 329.472 329.483 30 348.796 317.874 31 368.121 306.265 32 387.446 294.656 33 406.771 283.047 34 418.365 276.081 10 11 W W c 11 10 - - c 12 9 + + c 13 8 + + c 14 7 + + c 15 6 - - c 16 5 + + c 17 4 + + c 18 3 + + c 19 2 - - c 20 1 + + c 10 11 11 15 15 ! ! ! 1 19 H H t 2 33 + + c 3 32 + + c 4 31 - - c 5 30 + + c 6 29 - - c 7 28 + + c 8 27 - - c 9 26 + + c 2 33 8 19 1 H H t 26 9 + + c 27 8 - - c 28 7 + + c 29 6 - - c 30 5 + + c 31 4 - - c 32 3 + + c 33 2 + + c 26 9 8 12 17 + + c 13 16 + + c 14 15 - - c 15 14 - - c 16 13 + + c 17 12 + + c 13 15 ! ! ! 26 12 ! ! ! 12 17 6 10 11 W W c 11 10 - - c 12 9 + + c 13 8 + + c 14 7 + + c 15 6 - - c 16 5 + + c 17 4 + + c 18 3 + + c 19 2 - - c 20 1 + + c 10 11 11