1 38 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 GGUGCAGAAA CAGCGCUUCG GCGCGUAUAU UACGCACC LOOP1 18 19 Crystallography ? ? Angstroms 1 G O3' -10.650 -22.865 -0.528 2 G P -9.934 -22.045 0.659 O3' -5.920 -24.536 3.989 3 U P -4.860 -23.616 4.779 O3' -0.406 -24.554 6.355 4 G P 0.312 -23.181 6.794 O3' 5.660 -21.557 5.939 5 C P 6.242 -20.077 6.190 O3' 9.340 -16.590 4.042 6 A P 9.186 -15.057 4.506 O3' 9.339 -11.098 0.347 7 G P 9.535 -9.658 1.039 O3' 7.034 -6.041 -1.643 8 A P 8.315 -5.264 -1.049 O3' 6.850 -1.322 -3.334 9 A P 6.577 0.017 -4.186 O3' 3.987 3.708 -6.580 10 A P 3.517 5.207 -6.230 O3' 1.631 6.944 -11.158 11 C P 1.682 8.552 -11.103 O3' -2.504 11.683 -12.189 12 A P -1.979 13.204 -12.159 O3' -4.962 17.136 -9.941 13 G P -4.443 18.071 -11.145 O3' -2.244 22.183 -7.738 14 C P -1.029 23.240 -7.760 O3' 0.074 26.121 -3.442 15 G P 1.374 27.053 -3.639 O3' 4.361 28.284 0.622 16 C P 5.677 29.194 0.436 O3' 10.546 29.216 2.377 17 U P 11.763 29.988 1.659 O3' 16.801 27.686 -0.268 18 U P 17.769 28.447 -1.306 O3' 20.220 25.107 -5.588 19 C P 19.839 24.003 -6.698 O3' 14.688 21.699 -7.762 20 G P 14.988 20.538 -8.837 O3' 17.576 16.317 -6.015 21 G P 16.535 15.090 -5.946 O3' 15.353 14.232 -0.330 22 C P 14.267 13.129 0.111 O3' 11.743 14.640 4.528 23 G P 10.915 13.293 4.834 O3' 5.531 14.403 6.478 24 C P 4.463 13.199 6.529 O3' -0.700 15.957 6.118 25 G P -2.249 15.521 6.091 O3' -5.519 13.964 2.315 26 U P -6.501 13.114 3.265 O3' -9.032 10.235 -0.748 27 A P -10.048 9.019 -0.468 O3' -9.976 5.043 -4.036 28 U P -10.516 3.549 -3.778 O3' -8.216 -1.453 -5.785 29 A P -9.180 -2.574 -5.148 O3' -8.748 -2.333 0.208 30 U P -10.009 -1.379 0.509 O3' -9.077 -6.313 3.149 31 U P -9.803 -7.498 2.338 O3' -7.703 -9.723 -2.602 32 A P -8.143 -8.904 -3.925 O3' -5.506 -10.244 -8.352 33 C P -5.234 -11.719 -8.940 O3' -0.841 -14.047 -11.930 34 G P 0.117 -15.329 -12.108 O3' 5.811 -15.824 -10.894 35 C P 7.311 -16.246 -10.480 O3' 8.467 -21.596 -9.565 36 A P 7.963 -22.944 -10.286 O3' 7.830 -27.849 -7.082 37 C P 6.996 -29.199 -7.357 O3' 3.570 -32.457 -3.825 38 C P 3.079 -33.573 -4.874 O3' -1.836 -35.662 -4.943 20 syn 1 38 + + c 2 37 + + c 3 36 - - c 4 35 + + c 5 34 + + c 6 33 W W c 7 32 S H t 9 29 H H t 10 27 W S c 11 26 W W c 12 25 W S c 13 24 + + c 14 23 + + c 15 22 + + c 16 21 + + c 17 20 S W t 17 21 W W c 1 38 7 10 27 8 SG1 8 9 SG2 18 19 SG3 28 31 1 207.142 27.502 2 195.683 54.053 3 184.224 80.604 4 172.765 107.154 5 161.306 133.705 6 149.847 160.256 7 138.387 186.807 8 131.512 202.737 9 124.637 218.668 10 69.404 307.692 11 69.404 336.610 12 69.404 365.528 13 69.404 394.446 14 69.404 423.364 15 69.404 452.282 16 69.404 481.201 17 69.404 510.119 18 55.775 550.000 19 13.629 550.000 20 0.000 510.119 21 0.000 481.201 22 0.000 452.282 23 0.000 423.364 24 0.000 394.446 25 0.000 365.528 26 0.000 336.610 27 0.000 307.692 28 47.164 223.027 29 54.039 207.097 30 60.915 191.166 31 67.790 175.236 32 74.665 159.305 33 86.125 132.754 34 97.584 106.203 35 109.043 79.653 36 120.502 53.102 37 131.961 26.551 38 143.420 0.000