1 34 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 GGUCUGGGCG CAGCGCAAGC UGACGGUACA GGCC LOOP1 16 17 Crystallography ? ? Angstroms 1 G P -11.242 -26.180 -2.094 O3' -9.006 -22.350 1.317 2 G P -8.774 -20.799 1.685 O3' -5.877 -19.147 5.529 3 U P -5.568 -17.570 5.637 O3' -1.338 -15.503 7.737 4 C P -1.113 -13.910 7.655 O3' 3.303 -11.375 7.481 5 U P 3.286 -9.796 7.162 O3' 7.092 -7.123 5.169 6 G P 6.888 -5.545 4.906 O3' 9.472 -3.521 0.092 7 G P 10.964 -3.021 0.451 O3' 10.241 1.718 -1.943 8 G P 9.677 3.165 -2.378 O3' 7.730 4.709 -8.128 9 C P 8.990 5.606 -8.594 O3' 5.328 8.070 -11.325 10 G P 4.548 9.434 -10.983 O3' -0.243 10.457 -11.928 11 C P -0.690 11.978 -11.633 O3' -5.401 13.677 -10.424 12 A P -5.605 15.228 -10.033 O3' -6.727 17.697 -5.016 13 G P -6.442 18.731 -3.816 O3' -6.267 21.256 -0.040 14 C P -5.610 22.710 -0.274 O3' -2.255 25.321 2.359 15 G P -1.473 26.535 1.643 O3' 2.529 29.030 3.423 16 C P 3.194 30.329 2.737 O3' 7.839 30.393 -0.229 17 A P 7.471 29.246 -1.297 O3' 11.573 25.694 -1.256 18 A P 11.509 24.144 -1.687 O3' 13.695 20.275 1.238 19 G P 13.330 18.795 0.720 O3' 10.111 14.604 2.956 20 C P 9.438 13.216 2.490 O3' 5.595 10.768 4.758 21 U P 4.937 9.510 3.994 O3' 0.006 7.943 4.370 22 G P -0.847 7.025 3.359 O3' -6.220 6.321 4.213 23 A P -5.896 5.160 5.279 O3' -9.227 2.023 4.296 24 C P -10.374 2.275 3.184 O3' -8.528 1.764 -1.560 25 G P -7.892 0.606 -2.476 O3' -7.200 0.589 -7.442 26 G P -7.016 -1.008 -7.498 O3' -6.456 -2.057 -2.159 27 U P -7.524 -2.911 -1.286 O3' -6.409 -7.979 -4.767 28 A P -4.798 -7.989 -4.892 O3' -2.849 -8.206 -9.631 29 C P -1.458 -8.976 -9.893 O3' 2.411 -8.029 -12.324 30 A P 3.235 -9.391 -12.574 O3' 7.827 -10.616 -10.706 31 G P 8.275 -12.163 -10.753 O3' 9.435 -16.065 -6.835 32 G P 9.244 -17.605 -6.400 O3' 8.882 -20.385 -1.411 33 C P 8.399 -21.444 -0.300 O3' 8.148 -26.181 0.106 34 C P 8.340 -27.565 0.937 O3' 5.006 -31.291 0.148 1 34 + + c 2 33 + + c 3 32 W W c 4 31 + + c 5 30 - - c 6 29 W W c 7 28 W W c 8 26 W W t 8 28 W W c 9 25 + + c 10 24 + + c 11 22 + + c 12 21 - - c 13 20 + + c 14 19 + + c 15 18 S H t 15 17 ! ! ! 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