1 76 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 71 72 73 74 75 76 GCGGAUUUAg CUCAGuuGGG AGAGCgCCAG AcUgAAgAPc UGGAGgUCcU GUGuPCGaUC CACAGAAUUC GCACCA 10 2MG 16 H2U 17 H2U 26 M2G 32 OMC 34 OMG 37 YYG 39 PSU 40 5MC 46 7MG 49 5MC 54 5MU 55 PSU 58 1MA LOOP1 54 60 LOOP2 14 21 LOOP3 33 37 Crystallography ? ? Angstroms 1 G P 1.689 81.406 31.046 O3' 0.118 84.538 34.113 2 C P 1.486 84.822 34.903 O3' 1.833 85.868 39.984 3 G P 3.423 86.159 40.094 O3' 6.276 84.872 44.450 4 G P 7.831 85.063 44.048 O3' 11.350 81.794 46.691 5 A P 12.838 81.770 46.096 O3' 16.112 77.839 45.735 6 U P 17.281 78.753 45.117 O3' 20.108 76.025 41.557 7 U P 21.288 76.962 41.044 O3' 22.727 75.722 35.462 8 U P 24.152 75.000 35.409 O3' 28.522 75.707 34.061 9 A P 28.665 74.091 33.881 O3' 31.987 71.344 30.721 10 g P 31.179 70.957 29.345 O3' 27.465 66.977 30.027 11 C P 26.549 67.730 31.095 O3' 24.380 65.022 34.866 12 U P 23.502 66.109 35.626 O3' 23.259 66.409 40.793 13 C P 22.648 67.831 41.216 O3' 25.108 71.403 44.968 14 A P 24.705 72.871 45.460 O3' 28.124 75.627 48.318 15 G P 27.346 77.019 48.359 O3' 30.155 81.371 48.233 16 u P 28.953 82.377 48.548 O3' 33.148 85.983 47.908 17 u P 33.649 85.892 49.456 O3' 30.734 90.123 48.707 18 G P 29.760 91.178 47.997 O3' 34.166 91.208 44.460 19 G P 35.185 90.046 44.733 O3' 39.189 89.536 40.632 20 G P 39.114 88.225 39.708 O3' 41.782 84.648 38.279 21 A P 40.851 84.914 37.011 O3' 40.006 80.041 38.565 22 G P 40.639 78.575 38.556 O3' 39.733 73.967 41.326 23 A P 39.900 72.493 40.710 O3' 39.103 68.575 43.926 24 G P 39.521 67.226 43.155 O3' 37.182 62.856 43.367 25 C P 38.077 62.084 42.286 O3' 35.604 58.741 38.880 26 g P 36.765 58.356 37.845 O3' 35.730 58.144 32.797 27 C P 37.084 57.393 32.421 O3' 39.610 58.876 28.159 28 C P 40.956 57.988 28.194 O3' 45.720 59.266 26.760 29 A P 46.663 58.119 27.424 O3' 51.585 59.224 29.342 30 G P 52.195 57.960 30.151 O3' 55.833 59.060 33.912 31 A P 56.422 57.607 34.276 O3' 57.040 55.818 39.061 32 c O3' 56.016 50.230 41.183 P 57.703 54.422 38.588 33 U P 56.793 49.023 40.437 O3' 55.100 44.403 39.523 34 g P 56.373 43.826 38.718 O3' 54.912 44.231 33.618 35 A P 54.239 45.699 33.735 O3' 49.467 46.052 31.948 36 A P 49.197 47.596 32.328 O3' 44.712 48.443 34.855 37 g P 44.521 49.929 35.467 O3' 40.839 50.569 39.085 38 A P 41.169 52.047 39.627 O3' 40.914 53.461 44.324 39 P O3' 44.174 57.622 47.113 P 41.136 54.975 43.843 40 c P 43.947 59.082 46.495 O3' 47.956 62.456 45.906 41 U P 47.400 63.751 45.126 O3' 50.154 66.794 42.091 42 G P 48.926 67.783 41.789 O3' 49.639 70.138 37.074 43 G P 48.435 71.092 36.601 O3' 47.331 71.988 31.687 44 A P 46.136 73.065 31.663 O3' 42.887 72.615 27.297 45 G P 41.855 73.847 27.434 O3' 36.819 73.404 27.334 46 g P 36.606 74.996 27.220 O3' 31.962 77.464 28.410 47 U P 31.175 77.396 26.978 O3' 29.146 82.044 29.096 48 C P 30.117 82.379 30.311 O3' 26.130 80.725 34.735 49 c P 24.601 81.027 34.983 O3' 24.200 81.649 30.003 50 U P 24.829 83.160 29.952 O3' 23.548 86.237 26.216 51 G P 24.470 87.543 26.515 O3' 22.856 92.177 25.188 52 U P 24.053 93.175 25.677 O3' 22.855 97.825 27.466 53 G P 24.162 98.447 28.229 O3' 23.286 101.645 32.393 54 u O3' 25.833 103.324 37.870 P 24.625 102.288 33.050 55 P O3' 31.467 103.133 39.788 P 27.177 104.024 37.312 56 C P 32.349 104.097 38.869 O3' 34.822 101.092 35.511 57 G P 33.480 100.226 35.200 O3' 33.961 94.980 35.103 58 a P 32.487 94.487 34.797 O3' 30.803 89.239 36.503 59 U P 31.806 87.946 36.332 O3' 26.908 87.101 37.284 60 C P 26.460 88.542 37.928 O3' 24.689 88.500 43.602 61 C P 23.112 88.680 43.831 O3' 20.333 92.672 44.072 62 A P 18.998 92.129 43.360 O3' 15.734 95.137 40.979 63 C P 14.609 94.031 40.652 O3' 11.838 94.638 36.259 64 A P 10.969 93.304 36.051 O3' 9.789 91.228 31.648 65 G P 9.322 89.738 32.149 O3' 10.024 86.072 28.447 66 A P 9.460 84.660 28.999 O3' 11.275 80.251 27.311 67 A P 10.247 79.174 27.934 O3' 12.181 74.512 29.399 68 U P 10.985 73.683 30.108 O3' 11.989 70.213 33.666 69 U P 10.552 69.763 34.157 O3' 9.309 68.761 39.069 70 C P 7.748 68.448 39.138 O3' 5.208 68.872 43.599 71 G P 3.632 68.733 43.357 O3' -0.050 71.487 45.976 72 C P -1.426 71.281 45.176 O3' -5.186 75.062 44.726 73 A P -6.368 74.501 43.773 O3' -8.890 77.472 40.441 74 C P -9.897 76.408 39.758 O3' -11.438 76.360 34.948 75 C P -12.530 75.204 35.109 O3' -12.674 71.293 32.045 76 A P -14.165 71.046 32.565 O3' -14.740 73.520 27.066 9 syn 16 syn 19 syn 46 syn 58 syn 1 72 + + c 2 71 + + c 3 70 + + c 4 69 W W c 5 68 - - c 6 67 - - c 7 66 - - c 8 14 W H t 9 23 H H t 10 25 + + c 11 24 + + c 12 23 - - c 13 22 + + c 15 48 W W t 16 59 S W t 18 55 W S t 19 56 + + c 22 46 H W t 26 44 W W c 27 43 + + c 28 42 + + c 29 41 - - c 30 40 + + c 31 39 W W c 49 65 + + c 50 64 - - c 51 63 + + c 52 62 - - c 53 61 + + c 54 58 W H t 10 45 ! ! ! 32 38 ! ! ! 8 21 ! ! ! 9 11 ! ! ! 58 60 ! ! ! 17 18 ! ! ! 19 20 ! ! ! 33 35 ! ! ! 33 36 ! ! ! 60 61 ! ! ! 1 72 7 49 65 5 10 25 4 26 44 7 SG1 8 9 SG2 14 21 SG3 33 37 SG4 45 48 SG5 54 60 SG6 73 76 1 72.104 59.670 2 72.104 84.533 3 72.104 109.396 4 72.104 134.258 5 72.104 159.121 6 72.104 183.984 7 72.104 208.846 8 87.021 208.846 9 101.939 208.846 10 291.107 291.645 11 266.246 291.927 12 241.385 292.208 13 216.524 292.489 14 195.766 278.504 15 170.766 277.275 16 148.736 289.157 17 136.031 310.722 18 136.314 335.750 19 149.505 357.022 20 171.798 368.402 21 196.763 366.607 22 217.199 352.156 23 242.060 351.875 24 266.921 351.593 25 291.783 351.312 26 341.505 350.749 27 366.366 350.468 28 391.227 350.186 29 416.088 349.905 30 440.949 349.623 31 465.810 349.342 32 490.671 349.061 33 516.651 356.059 34 540.579 343.755 35 550.000 318.552 36 540.011 293.569 37 515.811 281.809 38 489.996 289.394 39 465.135 289.675 40 440.274 289.957 41 415.413 290.238 42 390.551 290.520 43 365.690 290.801 44 340.829 291.082 45 131.774 258.572 46 116.856 258.572 47 101.939 258.572 48 87.021 258.572 49 72.104 258.572 50 72.104 283.434 51 72.104 308.297 52 72.104 333.160 53 72.104 358.022 54 84.537 380.135 55 82.435 405.416 56 66.522 425.172 57 42.268 432.610 58 18.015 425.172 59 2.101 405.416 60 0.000 380.135 61 12.433 358.022 62 12.433 333.160 63 12.433 308.297 64 12.433 283.434 65 12.433 258.572 66 12.433 208.846 67 12.433 183.984 68 12.433 159.121 69 12.433 134.258 70 12.433 109.396 71 12.433 84.533 72 12.433 59.670 73 12.433 44.753 74 12.433 29.835 75 12.433 14.918 76 12.433 0.000