1 70 1 2 3 4 5 6 7 8 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 63 64 65 66 67 68 69 70 GUCUACCUAU CGGGCUAAGG AGCCGUAUGC GAUGAAAGUC GCACGUACGG UUCUAUGCCC GGGGGAAAAC LOOP1 35 36 Crystallography ? ? Angstroms 1 G O3' 142.498 110.860 58.495 2 U P 140.890 110.888 58.433 O3' 138.672 114.249 55.048 3 C P 137.206 114.045 55.640 O3' 133.417 114.301 51.635 4 U P 132.166 114.163 52.611 O3' 129.149 111.976 48.512 5 A P 127.670 111.402 48.292 O3' 125.125 106.412 47.236 6 C P 123.863 106.488 48.212 O3' 123.127 101.908 50.938 7 C P 121.945 102.084 52.011 O3' 122.269 99.771 56.578 8 U P 120.825 100.020 57.202 O3' 120.505 100.583 62.504 9 A P 118.919 100.584 62.722 O3' 118.205 99.648 67.549 10 U P 119.057 100.862 68.090 O3' 123.121 100.864 71.335 11 C P 123.429 102.420 71.240 O3' 119.488 105.656 71.541 12 G P 118.085 105.951 72.246 O3' 114.592 110.451 71.261 13 G P 113.164 109.766 71.044 O3' 110.496 113.932 68.363 14 G P 109.006 113.337 68.439 O3' 106.114 114.340 63.551 15 C P 104.844 113.554 62.981 O3' 103.109 113.627 58.428 16 U P 101.863 112.663 58.685 O3' 100.314 109.935 54.179 17 A P 98.882 109.457 54.691 O3' 97.011 104.390 53.326 18 A P 96.695 104.834 51.809 O3' 96.745 100.616 48.160 19 G P 95.895 99.497 48.936 O3' 97.613 94.656 49.341 20 G P 96.562 93.908 50.299 O3' 96.362 91.808 55.648 21 A P 94.988 91.604 56.463 O3' 93.799 91.748 61.308 22 G P 92.221 91.446 61.181 O3' 89.038 93.801 64.798 23 C P 87.503 93.461 64.436 O3' 84.576 97.301 66.381 24 C P 83.094 96.904 65.894 O3' 79.789 100.854 65.186 25 G P 78.440 99.996 65.014 O3' 75.403 102.686 61.105 26 U P 74.121 101.735 61.189 O3' 71.196 102.039 57.030 27 A P 70.293 100.713 57.099 O3' 68.708 98.645 52.527 28 U P 67.970 97.219 52.638 O3' 68.634 93.153 49.597 29 G P 68.112 91.685 49.975 O3' 68.585 87.487 47.928 30 C P 67.537 86.609 48.739 O3' 68.317 81.635 49.772 31 G P 67.099 81.197 50.715 O3' 67.386 77.402 54.187 32 A P 66.076 77.460 55.122 O3' 65.919 75.725 59.578 33 U P 64.379 75.917 59.971 O3' 62.751 77.230 64.483 34 G P 61.195 77.394 64.137 O3' 58.246 80.614 66.268 35 A P 57.008 80.183 65.347 O3' 55.928 84.829 62.611 36 A P 57.414 85.134 62.072 O3' 58.505 90.515 62.807 37 A P 60.022 90.979 62.532 O3' 62.830 94.103 65.478 38 G P 64.350 94.045 64.956 O3' 68.417 90.970 67.609 39 U P 69.863 91.021 66.917 O3' 72.673 86.826 67.970 40 C P 73.961 86.929 67.044 O3' 76.295 83.016 65.540 41 G P 77.484 83.189 64.498 O3' 78.966 80.330 59.877 42 C P 80.289 81.217 59.687 O3' 81.854 81.519 54.182 43 A P 83.295 82.228 54.331 O3' 85.133 83.774 58.880 44 C P 85.187 85.333 59.296 O3' 81.513 87.045 56.780 45 G P 82.018 88.187 55.778 O3' 81.381 87.166 50.843 46 U P 82.200 88.512 50.518 O3' 80.967 91.638 46.730 47 A P 81.982 92.853 46.915 O3' 81.262 97.338 45.477 48 C P 82.409 98.383 45.848 O3' 81.788 103.624 48.226 49 G P 83.300 104.139 48.207 O3' 83.836 107.324 52.582 50 G P 85.241 107.809 53.191 O3' 85.956 109.650 57.716 51 U P 87.531 109.928 57.613 O3' 89.913 109.278 62.363 52 U P 91.509 109.409 62.450 O3' 95.113 106.211 65.150 53 C P 96.683 106.191 64.835 O3' 100.280 101.810 65.155 54 U P 101.683 102.021 64.428 O3' 104.337 99.946 62.454 55 A P 105.420 101.095 62.132 O3' 110.441 99.949 59.620 56 U P 110.988 98.516 59.115 O3' 111.634 98.717 53.701 57 G P 112.190 100.223 53.660 O3' 111.784 103.628 50.528 58 C P 113.023 104.604 50.759 O3' 113.790 109.993 52.273 59 C P 115.178 110.560 52.847 O3' 115.676 115.145 54.886 60 C P 117.223 115.160 55.263 O3' 118.996 118.016 59.033 61 G P 120.529 117.591 58.967 O3' 123.238 117.344 63.495 62 G P 124.693 116.828 63.052 O3' 127.102 113.591 65.723 63 G P 128.515 113.028 65.180 O3' 130.849 108.452 65.359 64 G P 131.960 108.330 64.200 O3' 133.339 104.090 62.200 65 G P 134.594 104.271 61.219 O3' 135.216 103.252 55.559 66 A P 136.737 103.738 55.547 O3' 137.020 98.905 53.002 67 A P 136.058 97.937 53.892 O3' 133.286 97.429 58.028 68 A P 132.620 95.961 58.054 O3' 128.236 94.193 59.565 69 A P 127.407 92.880 59.144 O3' 127.061 89.126 62.886 70 C P 127.404 87.662 62.320 O3' 123.894 86.415 58.204 1 syn 68 syn 4 66 W H t 5 65 H S t 6 64 + + c 7 63 + + c 8 62 W W c 11 61 + + c 12 60 + + c 13 59 + + c 14 58 + + c 15 57 + + c 16 55 W H t 17 18 S H c 19 54 W W c 20 53 + + c 21 52 - - c 22 51 W W c 23 50 + + c 24 49 + + c 25 48 + + c 26 47 - - c 27 46 - - c 28 45 W W c 29 42 + + c 30 41 + + c 31 40 + + c 32 39 - - c 33 38 W W c 34 37 S H t 44 45 ! ! ! 4 66 5 11 61 5 19 54 10 29 42 6 SG1 1 3 SG2 9 10 SG3 16 18 SG4 35 36 SG5 43 44 SG6 55 56 SG7 67 70 1 0.000 8.735 2 0.000 17.470 3 0.000 26.205 4 0.000 34.940 5 0.000 49.498 6 0.000 64.057 7 0.000 78.615 8 0.000 93.173 9 0.000 107.731 10 0.000 122.290 11 0.000 136.848 12 0.000 151.406 13 0.000 165.965 14 0.000 180.523 15 0.000 195.081 16 0.000 209.640 17 0.000 238.756 18 0.000 267.873 19 0.000 282.431 20 0.000 296.990 21 0.000 311.548 22 0.000 326.106 23 0.000 340.664 24 0.000 355.223 25 0.000 369.781 26 0.000 384.339 27 0.000 398.898 28 0.000 413.456 29 0.000 457.131 30 0.000 471.689 31 0.000 486.248 32 0.000 500.806 33 0.000 515.364 34 0.000 529.922 35 6.861 550.000 36 28.079 550.000 37 34.940 529.922 38 34.940 515.364 39 34.940 500.806 40 34.940 486.248 41 34.940 471.689 42 34.940 457.131 43 34.940 442.573 44 34.940 428.014 45 34.940 413.456 46 34.940 398.898 47 34.940 384.339 48 34.940 369.781 49 34.940 355.223 50 34.940 340.664 51 34.940 326.106 52 34.940 311.548 53 34.940 296.990 54 34.940 282.431 55 34.940 253.315 56 34.940 224.198 57 34.940 195.081 58 34.940 180.523 59 34.940 165.965 60 34.940 151.406 61 34.940 136.848 62 34.940 93.173 63 34.940 78.615 64 34.940 64.057 65 34.940 49.498 66 34.940 34.940 67 34.940 26.205 68 34.940 17.470 69 34.940 8.735 70 34.940 0.000