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' -63.999 47.740 88.810 2 G P -63.555 46.196 88.972 O3' -61.884 45.618 94.352 3 G P -62.063 47.170 94.737 O3' -57.874 49.215 97.298 4 C P -58.187 50.791 97.227 O3' -55.004 54.564 96.163 5 C P -55.662 55.962 95.703 O3' -52.835 59.619 93.350 6 G P -53.609 60.865 92.697 O3' -51.477 63.873 89.199 7 G P -52.521 65.064 88.891 O3' -53.064 67.332 84.770 8 C P -54.261 68.292 85.235 O3' -57.386 69.749 81.256 9 A P -58.500 70.767 81.803 O3' -63.208 70.598 79.807 10 U P -64.085 71.662 80.624 O3' -68.930 70.733 82.012 11 G P -69.113 72.286 82.350 O3' -71.341 69.664 86.700 12 G P -71.999 68.230 87.024 O3' -74.449 67.028 91.229 13 U P -74.821 65.468 91.088 O3' -78.724 63.738 94.036 14 C P -78.984 62.167 93.834 O3' -83.826 60.035 92.346 15 C P -84.067 58.568 91.743 O3' -87.898 56.789 89.032 16 C P -87.476 55.334 88.501 O3' -89.121 53.168 84.357 17 A P -88.335 51.764 84.296 O3' -86.882 49.622 79.630 18 G P -85.861 48.382 79.681 O3' -82.112 47.247 76.173 19 C P -81.384 45.915 76.735 O3' -76.077 45.537 75.883 20 C P -75.332 44.270 76.549 O3' -70.601 44.310 78.315 21 U P -70.351 42.736 78.508 O3' -66.627 42.079 83.009 22 C P -65.420 41.073 82.668 O3' -67.197 38.461 86.596 23 C P -67.505 39.758 87.483 O3' -66.042 41.122 93.002 24 U P -67.402 41.946 92.839 O3' -72.686 40.238 94.077 25 C P -73.864 40.739 93.123 O3' -78.221 40.543 90.665 26 G P -79.065 40.289 92.013 O3' -82.289 44.768 89.779 27 C P -83.188 44.610 91.115 O3' -82.113 49.274 94.429 28 U P -82.659 50.294 95.543 O3' -77.435 51.441 95.275 29 G P -76.073 50.693 95.694 O3' -72.721 52.339 91.629 30 G P -72.948 53.760 90.910 O3' -70.190 54.460 86.422 31 C P -70.590 55.845 85.706 O3' -70.741 56.328 80.428 32 G P -71.305 57.806 80.178 O3' -66.596 58.622 78.066 33 C P -65.325 57.683 77.784 O3' -61.005 58.763 75.453 34 C P -60.031 57.494 75.550 O3' -55.165 57.139 76.179 35 G P -54.587 55.683 76.517 O3' -50.162 54.474 78.907 36 G P -50.000 52.945 79.379 O3' -47.099 51.011 82.995 37 C P -47.392 49.454 83.283 O3' -46.215 47.200 87.625 38 U P -46.551 45.656 87.335 O3' -48.658 43.044 91.464 39 G P -49.071 41.519 91.177 O3' -51.442 38.581 94.300 40 G P -51.531 37.139 93.610 O3' -55.469 33.995 95.063 41 G P -55.156 32.579 94.363 O3' -58.777 29.556 92.216 42 C P -57.702 28.386 91.945 O3' -61.658 26.870 88.859 43 A P -62.277 25.513 89.456 O3' -66.966 26.089 88.575 44 A P -67.032 25.838 86.997 O3' -70.458 27.883 83.880 45 C P -70.027 27.253 82.466 O3' -69.441 29.804 78.098 46 A P -68.748 28.653 77.227 O3' -65.547 30.064 73.399 47 C P -65.024 28.718 72.717 O3' -60.182 28.565 70.639 48 C P -59.794 27.069 70.224 O3' -54.928 25.094 70.540 49 A P -55.044 23.560 70.058 O3' -52.489 19.619 72.249 50 U P -53.101 18.313 71.541 O3' -53.923 13.997 74.342 51 U P -54.411 12.983 73.208 O3' -56.298 8.115 73.971 52 G P -55.067 7.382 74.679 O3' -54.786 7.070 80.133 53 C P -55.265 5.598 80.566 O3' -55.485 5.200 84.978 54 A P -55.381 4.341 86.327 O3' -57.408 7.639 90.060 55 C P -57.059 7.193 91.549 O3' -60.236 6.623 95.760 56 U P -58.874 7.067 96.473 O3' -59.143 12.504 94.554 57 C P -60.623 12.754 93.992 O3' -61.007 16.895 91.579 58 C P -60.155 16.725 90.239 O3' -56.712 19.564 87.850 59 G P -55.736 19.043 86.678 O3' -52.466 23.646 85.531 60 G P -52.924 25.124 85.947 O3' -51.102 28.990 82.751 61 U P -51.676 30.299 83.486 O3' -52.705 34.434 80.306 62 G P -53.469 35.655 81.019 O3' -57.066 38.633 78.659 63 G P -57.231 39.806 79.747 O3' -61.858 42.717 79.709 64 U P -62.775 43.099 78.427 O3' -60.833 45.265 80.974 65 G P -59.844 46.445 81.449 O3' -62.101 47.537 77.349 66 A P -62.309 49.146 77.300 O3' -67.609 48.550 75.826 67 A P -67.865 49.961 75.138 O3' -72.900 51.134 75.091 68 U P -72.720 52.548 74.359 O3' -74.229 57.378 73.657 69 G P -74.740 58.860 73.301 O3' -80.060 61.126 73.399 70 G P -80.461 62.612 73.866 O3' -85.606 63.392 75.307 71 G P -86.033 64.765 76.044 O3' -89.544 65.871 79.694 72 A P -89.378 67.405 80.154 O3' -91.199 68.921 84.814 73 C P -91.041 70.469 85.208 O3' -88.422 73.044 89.736 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 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 21 26 ! ! ! 41 63 ! ! ! 42 45 ! ! ! 1 3 ! ! ! 1 64 ! ! ! 19 67 ! ! ! 20 66 ! ! ! 52 53 ! ! ! 53 54 ! ! ! 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 1 103.743 271.077 2 90.775 271.077 3 90.775 249.464 4 90.775 227.851 5 90.775 206.238 6 90.775 184.625 7 90.775 163.012 8 90.775 141.399 9 90.775 128.431 10 90.775 115.463 11 90.775 102.495 12 128.656 13.328 13 134.210 34.216 14 139.763 55.103 15 145.317 75.991 16 150.870 96.878 17 156.424 117.765 18 167.531 159.540 19 173.084 180.427 20 178.638 201.315 21 103.743 335.916 22 90.775 335.916 23 90.775 314.303 24 103.743 314.303 25 116.711 314.303 26 129.678 314.303 27 142.646 314.303 28 155.614 314.303 29 228.767 187.986 30 223.214 167.099 31 217.660 146.212 32 38.904 141.399 33 38.904 163.012 34 38.904 184.625 35 38.904 206.238 36 38.904 227.851 37 38.904 249.464 38 38.904 271.077 39 38.904 314.303 40 38.904 335.916 41 25.936 335.916 42 12.968 335.916 43 0.000 335.916 44 38.904 379.142 45 38.904 400.755 46 38.904 422.368 47 38.904 443.981 48 38.904 465.595 49 24.229 481.327 50 18.152 501.964 51 21.959 523.139 52 34.846 540.366 53 54.082 550.000 54 75.596 550.000 55 94.833 540.366 56 107.719 523.139 57 111.527 501.964 58 105.450 481.327 59 90.775 465.595 60 90.775 443.981 61 90.775 422.368 62 90.775 400.755 63 90.775 379.142 64 103.743 379.142 65 116.711 379.142 66 129.678 379.142 67 142.646 379.142 68 206.553 104.437 69 201.000 83.550 70 195.446 62.662 71 189.893 41.775 72 184.339 20.887 73 178.786 0.000