1 44 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 GGGAGCUCAA CUCUCCCCCC CUUUUCCGAG GGUCAUCGGA ACCA LOOP1 6 12 Crystallography ? ? Angstroms 1 G O3' 62.426 112.982 26.827 2 G P 60.969 113.646 26.678 O3' 57.674 109.428 25.124 3 G P 56.218 110.093 24.910 O3' 52.894 105.472 25.275 4 A P 51.290 105.620 25.243 O3' 48.532 101.054 27.299 5 G P 46.984 101.343 26.963 O3' 44.278 100.125 31.833 6 C P 42.764 99.997 31.299 O3' 38.252 101.707 32.863 7 U P 37.546 100.755 31.768 O3' 33.060 103.688 29.996 8 C P 32.099 102.709 29.156 O3' 33.380 105.822 24.870 9 A P 34.880 106.410 24.909 O3' 36.631 111.120 23.880 10 A P 38.150 110.589 24.027 O3' 40.977 115.135 26.124 11 C P 42.582 114.978 26.116 O3' 44.948 116.637 30.910 12 U P 46.414 116.234 31.447 O3' 47.238 115.399 36.741 13 C P 48.834 115.187 36.677 O3' 49.756 111.882 41.128 14 U P 51.355 111.729 41.241 O3' 52.793 106.332 42.057 15 C P 54.393 106.324 42.281 O3' 55.167 101.259 39.998 16 C P 56.676 100.805 40.331 O3' 58.250 98.462 35.465 17 C P 59.750 97.911 35.656 O3' 62.440 97.569 30.623 18 C P 63.902 96.943 30.890 O3' 66.632 100.131 27.113 19 C P 68.129 99.572 26.879 O3' 70.405 104.267 24.779 20 C P 71.737 103.648 24.128 O3' 75.901 107.039 25.733 21 C P 77.011 106.444 24.729 O3' 81.852 106.019 26.898 22 U P 83.285 105.364 26.562 O3' 88.065 105.746 30.115 23 U P 88.829 106.476 31.335 O3' 91.672 104.484 27.771 24 U P 90.300 103.830 27.257 O3' 91.331 99.952 23.772 25 U P 89.792 100.127 23.344 O3' 87.222 95.193 22.949 26 C P 85.606 95.131 23.069 O3' 82.226 92.792 25.554 27 C P 80.879 93.643 25.306 O3' 78.465 92.649 30.327 28 G P 76.970 93.258 30.360 O3' 75.782 94.575 35.797 29 A P 74.376 95.307 36.101 O3' 75.507 98.522 40.566 30 G P 74.086 99.052 41.109 O3' 73.980 104.585 41.158 31 G P 72.473 104.833 41.694 O3' 69.996 109.623 39.843 32 G P 68.390 109.817 39.956 O3' 66.962 113.602 35.755 33 U P 65.641 114.181 35.038 O3' 68.346 116.232 30.120 34 C P 69.052 115.062 29.267 O3' 73.440 114.824 28.208 35 A P 73.311 113.292 27.709 O3' 78.988 111.777 29.267 36 U P 80.130 111.034 28.418 O3' 83.639 110.011 32.738 37 C P 85.041 109.403 32.234 O3' 85.945 106.086 36.651 38 G P 87.432 105.459 36.569 O3' 87.633 100.792 39.866 39 G P 89.205 100.444 39.899 O3' 87.919 94.819 39.167 40 A P 88.913 93.760 39.870 O3' 91.174 89.593 36.885 41 A P 92.613 89.638 36.163 O3' 93.349 87.902 31.269 42 C P 94.924 87.603 31.409 O3' 98.722 88.986 28.289 43 C P 100.070 88.583 29.063 O3' 104.161 91.852 28.073 44 A P 104.836 90.408 27.850 O3' 110.033 92.644 26.802 1 17 + + c 2 16 + + c 3 15 + + c 4 14 - - c 5 13 + + c 6 11 W W c 18 32 + + c 19 31 + + c 20 30 + + c 24 41 W W c 25 40 - - c 26 39 + + c 27 38 + + c 28 37 + + c 29 36 - - c 6 12 ! ! ! 24 40 ! ! ! 22 23 ! ! ! 22 24 ! ! ! 1 17 5 18 32 3 24 41 6 SG1 6 12 SG2 21 23 SG3 33 35 SG4 42 44 1 80.558 194.444 2 80.558 166.667 3 80.558 138.889 4 80.558 111.111 5 80.558 83.333 6 94.448 58.628 7 92.101 30.383 8 74.321 8.310 9 47.224 0.000 10 20.127 8.310 11 2.348 30.383 12 0.000 58.628 13 13.891 83.333 14 13.891 111.111 15 13.891 138.889 16 13.891 166.667 17 13.891 194.444 18 13.891 250.000 19 13.891 277.778 20 13.891 305.556 21 80.558 550.000 22 80.558 533.333 23 80.558 516.667 24 80.558 500.000 25 80.558 472.222 26 80.558 444.444 27 80.558 416.667 28 80.558 388.889 29 80.558 361.111 30 80.558 305.556 31 80.558 277.778 32 80.558 250.000 33 97.224 250.000 34 113.891 250.000 35 130.558 250.000 36 13.891 361.111 37 13.891 388.889 38 13.891 416.667 39 13.891 444.444 40 13.891 472.222 41 13.891 500.000 42 13.891 516.667 43 13.891 533.333 44 161.879 117.721