1 34 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 GAGCCGUGUG CGAUGAAAGU CGCAAGCACG GUUC LOOP1 15 18 Crystallography ? ? Angstroms 1 G O3' 19.652 -9.321 6.864 2 A P 18.179 -8.824 6.449 O3' 17.683 -7.156 1.389 3 G P 16.227 -6.707 0.872 O3' 15.156 -5.960 -3.692 4 C P 13.862 -5.039 -3.454 O3' 10.361 -5.028 -7.099 5 C P 9.127 -4.181 -6.512 O3' 4.405 -6.707 -7.232 6 G P 3.113 -5.948 -6.649 O3' -1.128 -7.677 -5.508 7 U P -1.857 -6.353 -4.961 O3' -5.160 -7.008 -0.847 8 G P -5.705 -5.573 -0.371 O3' -6.240 -5.120 4.807 9 U P -7.087 -3.754 4.775 O3' -4.718 1.368 6.147 10 G P -4.980 2.856 5.589 O3' -2.835 6.579 8.271 11 C P -4.184 7.457 8.265 O3' -4.199 12.592 8.508 12 G P -5.780 12.812 8.299 O3' -7.316 17.662 6.221 13 A P -8.893 17.766 5.928 O3' -10.659 19.299 1.131 14 U P -12.239 19.249 0.833 O3' -14.927 18.624 -3.272 15 G P -16.247 19.051 -2.457 O3' -20.270 15.546 -3.466 16 A P -21.337 16.588 -2.858 O3' -22.194 13.039 2.296 17 A P -21.366 12.198 3.391 O3' -18.224 7.208 3.029 18 A P -16.621 7.075 3.010 O3' -15.184 2.403 0.176 19 G P -13.604 2.292 -0.104 O3' -11.632 2.608 -4.836 20 U P -10.059 2.828 -4.585 O3' -7.971 6.914 -7.423 21 C P -6.430 7.324 -7.226 O3' -4.168 11.607 -8.018 22 G P -2.736 10.873 -8.023 O3' 1.479 13.334 -6.949 23 C P 2.554 12.160 -7.176 O3' 6.526 11.719 -4.015 24 A P 7.118 11.093 -5.375 O3' 9.619 8.662 -1.283 25 A P 11.030 8.021 -0.846 O3' 11.709 3.245 2.278 26 G P 13.127 2.899 2.960 O3' 10.515 0.152 6.867 27 C P 10.785 -1.146 7.778 O3' 7.413 -3.527 10.345 28 A P 7.839 -5.025 9.939 O3' 4.896 -8.890 10.607 29 C P 5.801 -10.057 9.969 O3' 3.131 -14.290 8.053 30 G P 4.250 -15.282 7.462 O3' 3.034 -17.547 2.755 31 G P 4.185 -18.477 2.127 O3' 4.704 -19.970 -2.356 32 U P 5.886 -20.993 -1.978 O3' 10.249 -20.881 -5.155 33 U P 11.585 -21.589 -4.601 O3' 16.220 -19.625 -6.587 34 C P 17.618 -20.185 -6.022 O3' 21.994 -17.155 -6.435 1 34 + + c 2 33 - - c 3 32 W W c 4 31 + + c 5 30 + + c 6 29 + + c 7 28 - - c 8 27 + + c 10 23 + + c 11 22 + + c 12 21 + + c 13 20 - - c 14 19 W W c 5 26 ! ! ! 15 17 ! ! ! 15 18 ! ! ! 1 34 8 10 23 5 SG1 9 9 SG2 15 18 SG3 24 26 1 142.417 0.000 2 142.417 35.833 3 142.417 71.666 4 142.417 107.499 5 142.417 143.332 6 142.417 179.165 7 142.417 214.998 8 142.417 250.831 9 142.417 272.330 10 179.157 385.618 11 158.865 415.151 12 138.572 444.684 13 118.279 474.217 14 97.987 503.750 15 78.867 540.132 16 38.969 550.000 17 5.095 526.724 18 0.000 485.941 19 27.107 455.048 20 47.400 425.514 21 67.692 395.981 22 87.985 366.448 23 108.278 336.915 24 56.418 315.330 25 56.418 293.830 26 56.418 272.330 27 56.418 250.831 28 56.418 214.998 29 56.418 179.165 30 56.418 143.332 31 56.418 107.499 32 56.418 71.666 33 56.418 35.833 34 56.418 0.000