1 75 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 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 ACUGAAgACU GGAGGUCCUG UGuUCGAUCC ACAGAAUUCG CACCA 37 YG 53 5MU LOOP1 53 59 LOOP2 14 21 LOOP3 31 38 Crystallography ? ? Angstroms 1 G O3' -19.428 -14.927 -5.108 2 C P -17.934 -15.129 -5.652 O3' -17.491 -15.896 -10.958 3 G P -15.938 -16.328 -11.034 O3' -12.605 -14.677 -14.862 4 G P -11.058 -14.665 -14.381 O3' -7.683 -11.554 -16.767 5 A P -6.269 -11.764 -16.013 O3' -3.045 -7.460 -16.308 6 U P -1.697 -7.973 -15.587 O3' 0.845 -4.735 -12.131 7 U P 2.136 -5.752 -11.846 O3' 3.947 -4.815 -6.271 8 U P 5.130 -3.706 -6.383 O3' 9.628 -4.014 -5.182 9 A P 9.827 -2.386 -5.073 O3' 13.368 0.662 -2.223 10 G P 12.677 0.879 -0.776 O3' 9.036 4.784 -1.539 11 C P 8.048 3.857 -2.392 O3' 5.437 6.411 -6.113 12 U P 4.617 5.396 -7.022 O3' 4.186 5.230 -12.106 13 C P 3.539 3.731 -12.295 O3' 5.794 -0.279 -16.220 14 A P 5.539 -1.829 -16.581 O3' 8.868 -4.594 -19.560 15 G P 8.232 -6.061 -19.626 O3' 10.966 -10.414 -19.157 16 U P 9.953 -11.631 -18.851 O3' 12.410 -13.577 -23.120 17 U P 13.700 -14.205 -22.262 O3' 12.564 -20.029 -19.964 18 G P 11.064 -19.838 -19.272 O3' 15.010 -19.626 -15.488 19 G P 16.022 -18.465 -15.933 O3' 19.778 -17.847 -11.356 20 G P 19.795 -16.445 -10.584 O3' 22.831 -13.102 -9.493 21 A P 21.944 -13.009 -8.144 O3' 20.951 -8.539 -9.735 22 G P 21.441 -6.998 -9.897 O3' 20.486 -2.359 -12.992 23 A P 20.614 -0.778 -12.768 O3' 19.430 2.747 -16.183 24 G P 20.065 4.076 -15.558 O3' 17.687 8.611 -15.397 25 C P 18.720 9.322 -14.404 O3' 16.144 12.716 -11.080 26 G P 17.492 13.321 -10.391 O3' 17.195 13.557 -5.066 27 C P 18.598 14.068 -4.461 O3' 20.926 12.555 -0.274 28 C P 22.213 13.518 -0.320 O3' 26.931 12.625 1.858 29 A P 27.782 13.923 1.392 O3' 32.806 13.228 -0.280 30 G P 33.470 14.523 -0.998 O3' 37.376 13.539 -4.491 31 A P 37.929 15.025 -4.831 O3' 39.036 16.780 -9.674 32 C P 39.481 18.254 -9.256 O3' 37.712 22.190 -12.363 33 U P 38.435 23.434 -11.654 O3' 36.277 28.026 -10.685 34 G P 37.546 28.565 -9.768 O3' 36.028 28.104 -4.683 35 A P 35.412 26.642 -4.888 O3' 30.412 25.967 -3.356 36 A P 30.269 24.405 -3.725 O3' 25.806 23.124 -6.740 37 g O3' 21.948 21.881 -11.238 P 25.589 22.043 -7.921 38 A P 22.485 20.312 -11.348 O3' 23.340 18.029 -16.379 39 C P 27.261 12.711 -18.665 O3' 31.810 9.226 -16.766 40 U P 31.141 7.886 -16.185 O3' 33.642 5.285 -12.422 41 G P 32.432 4.174 -12.495 O3' 32.713 2.048 -7.395 42 G P 31.617 0.890 -7.100 O3' 29.322 0.418 -2.501 43 A P 28.165 -0.688 -2.616 O3' 24.170 -0.196 1.099 44 G P 23.346 -1.576 0.940 O3' 18.337 -1.409 0.993 45 G P 18.456 -3.015 1.027 O3' 13.609 -5.573 0.119 46 U P 12.950 -5.700 1.578 O3' 10.485 -10.017 -0.007 47 C P 11.482 -10.371 -1.277 O3' 7.268 -8.971 -5.543 48 C P 5.706 -9.279 -5.720 O3' 5.499 -9.867 -0.692 49 U P 6.072 -11.356 -0.541 O3' 4.852 -14.423 3.415 50 G P 5.604 -15.806 2.987 O3' 4.045 -20.376 4.248 51 U P 5.243 -21.287 3.647 O3' 3.892 -26.061 2.016 52 G P 5.194 -26.820 1.324 O3' 4.576 -30.076 -3.021 53 u O3' 6.924 -31.786 -8.295 P 5.947 -30.728 -3.551 54 U P 8.376 -32.202 -8.014 O3' 12.730 -31.357 -10.543 55 C P 13.531 -32.441 -9.583 O3' 15.958 -29.405 -6.155 56 G P 14.598 -28.619 -5.828 O3' 15.082 -23.276 -5.912 57 A P 13.615 -22.645 -5.589 O3' 11.694 -17.691 -7.231 58 U P 12.774 -16.495 -6.965 O3' 7.989 -15.464 -8.115 59 C P 7.491 -16.864 -8.745 O3' 5.679 -16.926 -14.238 60 C P 4.187 -17.481 -14.466 O3' 1.362 -21.560 -14.513 61 A P 0.075 -20.894 -13.829 O3' -3.169 -23.887 -11.022 62 C P -4.295 -22.761 -10.773 O3' -6.974 -23.271 -6.377 63 A P -7.778 -21.867 -6.321 O3' -8.814 -20.101 -1.707 64 G P -9.639 -18.805 -2.220 O3' -8.881 -14.433 0.968 65 A P -9.474 -13.009 0.493 O3' -7.584 -8.412 2.087 66 A P -8.541 -7.355 1.360 O3' -6.819 -2.827 -0.171 67 U P -8.040 -2.123 -0.931 O3' -7.562 0.978 -4.710 68 U P -8.992 1.334 -5.390 O3' -9.882 2.048 -10.313 69 C P -11.473 2.390 -10.250 O3' -13.898 1.354 -14.819 70 G P -15.496 1.570 -14.771 O3' -19.044 -1.871 -17.344 71 C P -20.561 -1.842 -16.766 O3' -24.371 -5.931 -15.365 72 A P -25.533 -5.121 -14.598 O3' -28.034 -7.845 -10.898 73 C P -29.187 -6.791 -10.450 O3' -30.322 -6.197 -5.688 74 C P -31.582 -5.326 -6.196 O3' -32.206 -1.293 -2.748 75 A P -33.823 -1.267 -2.813 O3' -39.065 -1.588 -2.074 9 syn 16 syn 19 syn 45 syn 54 syn 57 syn 75 syn 1 71 + + c 2 70 + + c 3 69 + + c 4 68 W W c 5 67 - - c 6 66 - - c 7 65 - - c 8 14 W H t 9 23 H H t 10 25 + + c 11 24 + + c 12 23 - - c 13 22 + + c 15 47 W W t 19 55 + + c 22 45 H W t 26 43 W W c 27 42 + + c 28 41 + + c 29 40 - - c 30 39 + + c 48 64 + + c 49 63 - - c 50 62 + + c 51 61 - - c 52 60 + + c 53 57 W H t 10 44 ! ! ! 8 21 ! ! ! 57 59 ! ! ! 19 20 ! ! ! 33 36 ! ! ! 59 60 ! ! ! 1 71 7 48 64 5 10 25 4 26 43 5 SG1 8 9 SG2 14 21 SG3 31 38 SG4 44 47 SG5 53 59 SG6 72 75 1 475.556 61.607 2 475.556 87.277 3 475.556 112.947 4 475.556 138.617 5 475.556 164.286 6 475.556 189.956 7 475.556 215.626 8 460.154 215.626 9 444.752 215.626 10 237.694 309.119 11 263.362 309.336 12 289.031 309.553 13 314.700 309.770 14 336.091 295.269 15 361.898 293.926 16 384.678 306.128 17 397.860 328.356 18 397.641 354.197 19 384.086 376.198 20 361.103 388.014 21 335.322 386.235 22 314.179 371.375 23 288.510 371.158 24 262.842 370.941 25 237.173 370.724 26 185.835 370.290 27 160.166 370.073 28 134.498 369.856 29 108.829 369.639 30 83.160 369.422 31 61.769 383.922 32 35.962 385.265 33 13.182 373.063 34 0.000 350.836 35 0.218 324.995 36 13.774 302.993 37 36.757 291.178 38 62.538 292.957 39 83.681 307.817 40 109.349 308.034 41 135.018 308.251 42 160.687 308.468 43 186.356 308.685 44 413.948 266.965 45 429.350 266.965 46 444.752 266.965 47 460.154 266.965 48 475.556 266.965 49 475.556 292.635 50 475.556 318.305 51 475.556 343.975 52 475.556 369.644 53 462.719 392.475 54 464.889 418.577 55 481.319 438.974 56 506.360 446.654 57 531.400 438.974 58 547.830 418.577 59 550.000 392.475 60 537.163 369.644 61 537.163 343.975 62 537.163 318.305 63 537.163 292.635 64 537.163 266.965 65 537.163 215.626 66 537.163 189.956 67 537.163 164.286 68 537.163 138.617 69 537.163 112.947 70 537.163 87.277 71 537.163 61.607 72 537.163 46.206 73 537.163 30.804 74 537.163 15.402 75 537.163 0.000