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 GGUCUGGGCG CAGCGCAAGC UGACGGUACA GGCC LOOP1 16 17 Crystallography ? ? Angstroms 1 G O3' -13.112 -26.263 5.594 2 G P -13.072 -24.879 6.396 O3' -8.923 -22.485 8.245 3 U P -9.053 -20.993 8.771 O3' -4.506 -18.425 9.824 4 C P -4.615 -16.880 10.112 O3' -0.449 -13.695 9.315 5 U P -0.718 -12.125 9.238 O3' 3.137 -9.370 6.515 6 G P 2.909 -7.851 6.898 O3' 2.960 -4.154 2.635 7 G P 4.269 -3.318 3.000 O3' 5.656 -1.934 -2.297 8 G P 6.241 -0.517 -2.758 O3' 4.227 2.163 -7.688 9 C P 4.287 3.614 -8.329 O3' 0.313 6.042 -9.939 10 G P 0.509 7.616 -9.889 O3' -4.751 10.047 -10.730 11 C P -4.988 11.507 -11.316 O3' -8.035 16.038 -8.980 12 A P -7.760 17.582 -8.636 O3' -10.278 20.580 -4.681 13 G P -9.769 22.082 -4.434 O3' -9.576 24.435 0.979 14 C P -9.566 25.973 0.528 O3' -6.012 29.678 2.792 15 G P -5.328 31.024 2.246 O3' 0.036 33.455 3.389 16 C P 0.653 34.729 2.621 O3' 6.767 35.082 3.136 17 A P 7.763 34.865 1.896 O3' 9.403 29.072 1.777 18 A P 9.110 27.762 0.886 O3' 8.989 22.603 3.683 19 G P 8.640 21.181 3.015 O3' 5.347 17.620 5.740 20 C P 4.382 16.404 5.367 O3' -0.273 14.139 7.985 21 U P -0.270 12.714 7.254 O3' -5.591 11.176 7.692 22 G P -6.232 9.902 6.983 O3' -11.290 9.810 4.999 23 A P -11.383 8.874 6.288 O3' -16.634 7.387 4.244 24 C P -16.061 8.399 3.159 O3' -14.004 6.531 0.367 25 G P -13.716 4.977 0.161 O3' -13.825 2.532 -4.511 26 G P -13.309 1.041 -4.777 O3' -12.040 0.726 1.059 27 U P -13.026 0.094 2.109 O3' -13.963 -5.468 0.473 28 A P -12.675 -6.232 -0.056 O3' -11.760 -5.506 -5.386 29 C P -10.961 -6.731 -5.993 O3' -6.433 -7.390 -7.903 30 A P -6.185 -8.962 -7.881 O3' -1.019 -10.464 -8.379 31 G P -0.908 -12.032 -8.581 O3' 2.739 -14.867 -6.447 32 G P 2.539 -16.248 -7.188 O3' 4.038 -20.755 -4.600 33 C P 3.540 -22.243 -4.904 O3' 3.704 -26.082 -1.009 34 C P 2.961 -27.487 -1.212 O3' 0.252 -30.206 2.538 1 34 + + c 2 33 + + c 3 32 W W c 4 31 + + c 5 30 - - c 6 29 + + c 7 28 W W c 8 26 W W t 9 25 + + c 10 24 + + c 11 22 + + c 12 21 - - c 13 20 + + c 13 21 W W c 14 19 + + c 15 18 S H t 23 24 ! ! ! 1 34 7 8 26 3 11 22 5 SG1 16 17 SG2 23 23 SG3 27 27 1 75.953 0.000 2 75.953 31.647 3 75.953 63.294 4 75.953 94.942 5 75.953 126.589 6 75.953 158.236 7 75.953 189.883 8 75.953 253.178 9 75.953 284.825 10 75.953 316.472 11 75.953 379.766 12 75.953 411.413 13 75.953 443.061 14 75.953 474.708 15 75.953 506.355 16 61.038 550.000 17 14.915 550.000 18 0.000 506.355 19 0.000 474.708 20 0.000 443.061 21 0.000 411.413 22 0.000 379.766 23 0.000 348.119 24 0.000 316.472 25 0.000 284.825 26 0.000 253.178 27 0.000 221.530 28 0.000 189.883 29 0.000 158.236 30 0.000 126.589 31 0.000 94.942 32 0.000 63.294 33 0.000 31.647 34 0.000 0.000