1 73 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 UGGCCGGCAU GGUCCCAGCC UCCUCGCUGG CGCCGGCUGG GCAACACCAU UGCACUCCGG UGGUGAAUGG GAC LOOP1 49 58 Crystallography ? ? Angstroms 1 U O3' -65.544 47.433 88.025 2 G P -65.505 45.906 88.554 O3' -62.967 45.383 93.585 3 G P -63.036 46.929 94.013 O3' -59.288 49.302 96.475 4 C P -59.596 50.867 96.317 O3' -56.480 54.414 95.120 5 C P -57.309 55.720 94.676 O3' -54.068 59.422 92.695 6 G P -54.743 60.758 92.115 O3' -52.752 63.635 88.445 7 G P -53.824 64.761 88.039 O3' -54.227 67.069 83.955 8 C P -55.384 68.087 84.412 O3' -58.516 69.712 80.550 9 A P -59.654 70.656 81.167 O3' -64.384 70.460 78.976 10 U P -65.204 71.595 79.748 O3' -70.249 70.866 81.012 11 G P -70.562 72.318 81.625 O3' -72.744 69.916 86.186 12 G P -73.343 68.456 86.512 O3' -75.952 67.008 90.622 13 U P -76.405 65.471 90.490 O3' -80.434 63.834 93.075 14 C P -80.722 62.264 92.907 O3' -85.624 59.882 91.249 15 C P -85.814 58.441 90.565 O3' -89.458 56.812 87.777 16 C P -88.906 55.341 87.445 O3' -90.255 52.887 83.240 17 A P -89.436 51.506 83.140 O3' -87.796 49.653 78.404 18 G P -86.826 48.389 78.587 O3' -83.077 47.448 75.103 19 C P -82.318 46.111 75.565 O3' -77.170 45.734 75.210 20 C P -76.679 44.329 75.807 O3' -71.934 43.974 77.637 21 U P -71.754 42.413 77.966 O3' -68.001 41.593 82.268 22 C P -66.773 40.725 81.708 O3' -68.644 38.206 85.672 23 C P -69.027 39.456 86.602 O3' -67.436 41.085 91.908 24 U P -68.637 42.076 91.522 O3' -73.888 40.376 92.989 25 C P -75.300 40.801 92.371 O3' -79.671 40.394 89.529 26 G P -80.602 39.973 90.760 O3' -83.936 44.494 88.972 27 C P -84.695 44.383 90.406 O3' -83.495 49.182 93.508 28 U P -84.167 50.133 94.614 O3' -78.953 50.797 94.413 29 G P -77.623 49.979 94.813 O3' -74.028 51.839 90.974 30 G P -74.134 53.298 90.303 O3' -71.219 54.166 85.803 31 C P -71.675 55.397 84.874 O3' -71.646 56.083 79.857 32 G P -72.115 57.613 79.841 O3' -67.675 58.550 77.019 33 C P -66.452 57.554 76.701 O3' -62.037 58.563 74.398 34 C P -61.097 57.273 74.558 O3' -56.086 57.022 75.182 35 G P -55.465 55.573 75.494 O3' -51.322 54.321 78.249 36 G P -51.223 52.751 78.586 O3' -48.402 51.039 82.613 37 C P -48.590 49.535 83.129 O3' -47.782 47.509 87.447 38 U P -48.042 45.974 87.057 O3' -49.999 42.787 90.747 39 G P -50.430 41.277 90.428 O3' -52.961 38.417 93.658 40 G P -53.124 36.963 93.006 O3' -57.125 34.040 94.320 41 G P -56.707 32.629 93.686 O3' -60.167 29.532 91.557 42 C P -59.069 28.386 91.332 O3' -63.071 26.755 88.031 43 A P -63.697 25.643 89.003 O3' -68.329 26.086 87.866 44 A P -68.200 25.767 86.301 O3' -71.534 27.678 83.079 45 C P -71.077 27.066 81.684 O3' -70.517 29.598 77.378 46 A P -69.854 28.413 76.513 O3' -66.707 29.824 72.571 47 C P -66.174 28.481 71.901 O3' -61.200 28.454 69.911 48 C P -60.862 26.957 69.448 O3' -56.049 24.909 69.804 49 A P -56.157 23.365 69.352 O3' -53.667 19.408 71.624 50 U P -54.335 18.150 70.865 O3' -55.218 13.788 73.610 51 U P -55.680 12.770 72.473 O3' -57.570 7.929 73.215 52 G P -56.328 7.156 73.873 O3' -56.290 6.845 79.258 53 C P -56.676 5.326 79.616 O3' -56.921 5.007 84.148 54 A P -56.874 4.107 85.477 O3' -58.935 7.355 89.124 55 C P -58.545 6.910 90.598 O3' -61.911 6.502 94.651 56 U P -60.568 6.927 95.397 O3' -60.668 12.476 93.681 57 C P -62.098 12.827 93.044 O3' -62.590 16.792 90.829 58 C P -61.880 16.351 89.457 O3' -58.346 19.539 86.991 59 G P -57.403 18.918 85.855 O3' -53.897 23.416 84.783 60 G P -54.307 24.914 85.187 O3' -52.494 28.678 82.153 61 U P -53.078 29.985 82.898 O3' -53.929 34.148 79.582 62 G P -54.602 35.369 80.377 O3' -58.144 38.391 77.958 63 G P -58.269 39.562 79.042 O3' -62.826 42.544 79.026 64 U P -63.777 42.991 77.792 O3' -61.771 45.107 80.205 65 G P -60.829 46.320 80.700 O3' -63.402 47.353 76.820 66 A P -63.687 48.937 76.634 O3' -69.009 48.343 75.461 67 A P -69.030 49.712 74.652 O3' -74.106 51.311 74.669 68 U P -73.799 52.630 73.822 O3' -75.569 57.331 72.933 69 G P -76.191 58.760 72.525 O3' -81.529 60.873 72.621 70 G P -81.729 62.395 73.085 O3' -86.900 63.277 74.474 71 G P -87.053 64.767 75.060 O3' -90.714 66.038 78.804 72 A P -90.643 67.499 79.490 O3' -92.477 68.658 84.032 73 C P -92.285 70.243 84.221 O3' -89.817 73.352 88.491 26 syn 2 38 W W c 3 37 + + c 4 36 + + c 4 37 W W c 5 35 + + c 6 34 + + c 7 33 + + c 8 32 + + c 12 73 + + c 13 72 - - c 14 71 + + c 15 70 + + c 16 69 + + c 17 68 - - c 18 31 + + c 19 30 + + c 20 29 + + c 21 26 W H t 22 40 + + c 22 43 S W c 23 39 + + c 30 67 S S t 41 43 S H c 42 62 W H t 44 63 W W c 45 62 + + c 46 61 - - c 47 60 + + c 48 59 + + c 56 57 S H c 41 63 ! ! ! 42 45 ! ! ! 1 3 ! ! ! 19 67 ! ! ! 20 66 ! ! ! 52 53 ! ! ! 2 38 7 22 40 2 44 63 5 12 73 6 18 31 3 SG1 1 1 SG2 9 11 SG3 21 21 SG4 24 28 SG5 41 43 SG6 49 58 SG7 64 67 1 103.589 271.490 2 90.640 271.490 3 90.640 249.909 4 90.640 228.328 5 90.640 206.747 6 90.640 185.166 7 90.640 163.585 8 90.640 142.004 9 90.640 129.056 10 90.640 116.107 11 90.640 103.159 12 123.270 13.975 13 129.093 34.756 14 134.916 55.536 15 140.739 76.317 16 146.562 97.098 17 152.385 117.878 18 164.031 159.439 19 169.854 180.220 20 175.677 201.001 21 103.589 336.234 22 90.640 336.234 23 90.640 314.653 24 103.589 314.653 25 116.537 314.653 26 129.486 314.653 27 142.435 314.653 28 155.383 314.653 29 225.550 187.025 30 219.728 166.245 31 213.905 145.464 32 38.846 142.004 33 38.846 163.585 34 38.846 185.166 35 38.846 206.747 36 38.846 228.328 37 38.846 249.909 38 38.846 271.490 39 38.846 314.653 40 38.846 336.234 41 25.897 336.234 42 12.949 336.234 43 0.000 336.234 44 38.846 379.396 45 38.846 400.977 46 38.846 422.558 47 38.846 444.139 48 38.846 465.720 49 24.193 481.428 50 18.125 502.036 51 21.927 523.178 52 34.794 540.381 53 54.002 550.000 54 75.484 550.000 55 94.692 540.381 56 107.559 523.178 57 111.361 502.036 58 105.293 481.428 59 90.640 465.720 60 90.640 444.139 61 90.640 422.558 62 90.640 400.977 63 90.640 379.396 64 103.589 379.396 65 116.537 379.396 66 129.486 379.396 67 142.435 379.396 68 202.259 103.903 69 196.436 83.122 70 190.613 62.342 71 184.790 41.561 72 178.967 20.781 73 173.144 0.000