1 28 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 gGCGCGGCAC CGUCCGCGGA ACAAACGG 1 GTP Crystallography ? ? Angstroms 1 g O3' 29.494 57.139 -24.391 2 G P 29.664 58.159 -25.638 O3' 32.058 60.625 -28.375 3 C P 32.774 59.699 -29.475 O3' 36.621 58.817 -31.820 4 G P 36.433 57.467 -32.668 O3' 40.286 54.530 -34.103 5 C P 39.641 53.370 -34.970 O3' 41.307 48.560 -35.103 6 G P 40.214 47.759 -35.963 O3' 39.111 42.960 -35.048 7 G P 37.874 42.283 -35.798 O3' 35.051 38.515 -34.236 8 C P 33.899 38.318 -35.324 O3' 28.289 37.728 -34.789 9 A P 27.034 37.969 -35.783 O3' 29.107 40.743 -39.626 10 C P 29.371 42.159 -38.935 O3' 27.238 46.746 -38.647 11 C P 27.685 47.395 -37.266 O3' 25.099 50.312 -34.488 12 G P 26.101 50.547 -33.266 O3' 24.201 51.306 -28.688 13 U P 25.620 51.938 -28.277 O3' 23.042 50.140 -23.803 14 C P 22.292 48.820 -24.320 O3' 26.375 45.468 -22.942 15 C P 27.684 45.646 -22.030 O3' 31.526 42.790 -21.396 16 G P 32.585 43.743 -20.648 O3' 37.755 43.118 -21.312 17 C P 38.360 44.308 -20.390 O3' 43.116 46.063 -22.549 18 G P 43.863 47.325 -21.895 O3' 46.769 50.811 -25.567 19 G P 48.317 50.501 -25.841 O3' 49.013 46.402 -29.682 20 A P 48.080 45.095 -29.544 O3' 42.903 44.470 -27.928 21 A P 42.417 43.236 -28.838 O3' 44.956 38.864 -29.129 22 C P 43.878 38.103 -30.004 O3' 41.732 33.541 -29.425 23 A P 40.270 33.154 -29.973 O3' 35.385 31.723 -27.283 24 A P 34.104 31.561 -28.196 O3' 29.448 32.132 -25.544 25 A P 28.300 31.702 -26.594 O3' 23.665 33.704 -25.312 26 C P 22.225 34.073 -25.886 O3' 18.762 37.217 -24.590 27 G P 17.795 37.185 -25.853 O3' 15.212 41.517 -26.973 28 G P 14.360 41.190 -28.292 O3' 13.054 43.913 -32.185 1 syn 3 18 + + c 4 17 + + c 4 20 S S t 5 16 + + c 6 15 + + c 7 14 + + c 7 24 S W t 8 12 W H t 10 28 + + c 11 27 + + c 12 26 + + c 14 25 S W c 15 23 S W c 8 26 ! ! ! 16 21 ! ! ! 13 14 ! ! ! 20 21 ! ! ! 24 25 ! ! ! 3 18 5 10 28 3 SG1 1 2 SG2 8 9 SG3 13 13 SG4 19 25 1 0.000 123.134 2 0.000 147.761 3 0.000 172.388 4 0.000 213.433 5 0.000 254.478 6 0.000 295.522 7 0.000 336.567 8 98.507 550.000 9 98.507 525.373 10 98.507 500.746 11 98.507 459.701 12 98.507 418.657 13 123.134 336.567 14 98.507 336.567 15 98.507 295.522 16 98.507 254.478 17 98.507 213.433 18 98.507 172.388 19 98.507 147.761 20 98.507 123.134 21 98.507 98.507 22 98.507 73.881 23 98.507 49.254 24 98.507 24.627 25 98.507 0.000 26 0.000 418.657 27 0.000 459.701 28 0.000 500.746