1 35 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 GGCUGGACUC GUACUUCGGU ACUGGAGAAA CAGCC LOOP1 16 17 Crystallography ? ? Angstroms 1 G O3' 6.713 -12.287 1.730 2 G P 5.870 -12.756 3.038 O3' 7.106 -10.384 6.558 3 C P 5.679 -9.723 6.185 O3' 4.492 -5.622 9.425 4 U P 3.259 -4.836 8.740 O3' 2.290 0.002 9.664 5 G P 1.571 1.332 10.163 O3' 2.603 6.738 7.345 6 G P 2.404 8.132 8.098 O3' 1.705 11.822 4.667 7 A P 0.273 12.322 4.068 O3' -0.831 13.604 -1.395 8 C P -0.657 14.537 -2.698 O3' -4.270 12.555 -6.179 9 U P -5.818 12.863 -6.405 O3' -8.748 11.218 -9.501 10 C P -10.328 11.549 -9.584 O3' -14.342 7.172 -8.429 11 G P -15.874 7.603 -8.057 O3' -19.176 4.332 -6.162 12 U P -20.272 3.185 -5.791 O3' -22.198 5.768 -0.708 13 A P -23.204 6.994 -0.440 O3' -23.392 9.980 4.308 14 C P -24.110 11.376 3.902 O3' -22.304 15.576 6.639 15 U P -22.151 16.714 7.754 O3' -20.608 21.356 5.464 16 U P -21.499 22.154 4.345 O3' -17.210 25.662 1.560 17 C P -17.308 26.662 0.322 O3' -17.145 23.436 -4.425 18 G P -16.207 22.217 -5.051 O3' -10.109 22.312 -3.106 19 G P -8.547 22.263 -2.707 O3' -8.278 17.654 0.700 20 U P -7.727 16.115 0.615 O3' -7.903 14.293 5.998 21 A P -7.399 12.825 6.387 O3' -10.336 8.830 8.791 22 C P -9.655 7.413 8.523 O3' -11.929 2.437 7.758 23 U P -10.690 1.801 8.577 O3' -8.832 -2.019 5.902 24 G P -9.497 -3.382 5.354 O3' -15.377 -2.899 5.131 25 G P -15.740 -2.052 3.800 O3' -11.255 -4.317 0.068 26 A P -9.851 -4.932 -0.466 O3' -7.819 -4.365 -5.985 27 G P -6.451 -4.904 -6.623 O3' -4.109 -2.916 -10.748 28 A P -3.049 -4.060 -10.360 O3' -1.779 -5.402 -5.712 29 A P -0.899 -6.686 -5.229 O3' 3.882 -4.915 -2.503 30 A P 4.798 -4.130 -3.553 O3' 5.639 -1.084 -7.830 31 C P 7.197 -0.912 -7.553 O3' 8.938 4.620 -6.132 32 A P 10.554 4.537 -6.186 O3' 12.520 5.840 -0.971 33 G P 13.854 4.958 -0.789 O3' 15.399 4.822 4.246 34 C P 16.621 4.585 5.240 O3' 18.888 0.104 2.079 35 C P 19.488 0.841 0.772 O3' 17.752 -0.352 -4.155 18 syn 1 35 + + c 2 34 W W c 3 33 + + c 4 32 - - c 5 31 + + c 6 30 W W c 7 28 W W t 8 27 + + c 9 26 - - c 10 25 + + c 11 22 + + c 12 21 - - c 13 20 - - c 14 19 + + c 15 18 S H t 23 26 W H c 15 19 ! ! ! 16 17 ! ! ! 24 25 ! ! ! 29 30 ! ! ! 3 33 4 7 28 4 11 22 5 SG1 1 2 SG2 16 17 SG3 23 24 SG4 29 29 SG5 34 35 1 75.089 0.000 2 75.089 18.772 3 75.089 37.545 4 75.089 68.832 5 75.089 100.119 6 75.089 131.406 7 75.089 193.980 8 75.089 225.267 9 75.089 256.555 10 75.089 287.842 11 75.089 381.703 12 75.089 412.990 13 75.089 444.277 14 75.089 475.564 15 75.089 506.852 16 60.344 550.000 17 14.745 550.000 18 0.000 506.852 19 0.000 475.564 20 0.000 444.277 21 0.000 412.990 22 0.000 381.703 23 0.000 350.416 24 0.000 319.129 25 0.000 287.842 26 0.000 256.555 27 0.000 225.267 28 0.000 193.980 29 0.000 162.693 30 0.000 131.406 31 0.000 100.119 32 0.000 68.832 33 0.000 37.545 34 0.000 18.772 35 0.000 0.000