1 36 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 GCGGCCAGCU CCAGGCCGCC AAACAAUAUG GAGCAC Crystallography ? ? Angstroms 1 G O3' -5.188 -9.901 -39.781 2 C P -6.240 -8.659 -39.863 O3' -11.503 -8.417 -38.965 3 G P -12.138 -6.925 -38.870 O3' -15.698 -5.036 -35.306 4 G P -15.932 -3.436 -35.152 O3' -18.012 -1.183 -30.372 5 C P -18.327 0.406 -30.298 O3' -17.439 2.800 -25.168 6 C P -17.748 4.348 -24.788 O3' -15.052 6.796 -20.428 7 A P -16.050 7.963 -19.904 O3' -21.257 8.882 -17.435 8 G P -22.717 8.344 -16.974 O3' -25.199 8.050 -20.901 9 C P -24.217 7.475 -22.051 O3' -24.465 7.183 -27.071 10 U P -23.054 6.659 -27.674 O3' -20.970 7.480 -32.576 11 C P -19.444 6.987 -32.848 O3' -15.675 9.748 -35.900 12 C P -14.137 9.220 -35.840 O3' -9.527 12.049 -36.080 13 A P -8.401 10.877 -36.064 O3' -3.325 11.762 -34.013 14 G P -2.571 10.381 -33.627 O3' -1.023 8.901 -28.703 15 G P -0.491 7.417 -29.095 O3' -1.524 3.266 -25.163 16 C P -1.412 1.652 -25.287 O3' -4.213 -1.498 -21.600 17 C P -4.047 -3.111 -21.652 O3' -8.283 -6.546 -20.755 18 G P -8.053 -8.148 -20.872 O3' -11.644 -11.630 -22.878 19 C P -10.938 -13.073 -22.674 O3' -11.194 -16.953 -26.966 20 C P -12.474 -17.833 -26.507 O3' -16.707 -18.794 -30.487 21 A P -17.955 -19.288 -29.584 O3' -21.411 -14.692 -28.390 22 A P -22.682 -13.748 -28.741 O3' -22.759 -8.437 -26.102 23 A P -23.326 -6.921 -26.158 O3' -22.220 -3.661 -21.721 24 C P -23.811 -3.533 -21.465 O3' -20.664 -4.655 -16.799 25 A P -20.286 -4.942 -15.250 O3' -14.578 -3.875 -14.385 26 A P -13.726 -2.658 -13.746 O3' -9.149 0.118 -15.939 27 U P -9.232 1.559 -15.199 O3' -5.749 5.283 -17.777 28 A P -5.511 5.901 -16.291 O3' -9.299 10.072 -17.235 29 U P -10.903 9.895 -17.350 O3' -9.731 15.351 -18.101 30 G P -10.518 16.762 -18.225 O3' -9.866 20.271 -22.217 31 G P -11.172 21.222 -22.351 O3' -13.538 23.011 -26.896 32 A P -15.053 23.604 -26.951 O3' -18.414 24.074 -30.990 33 G P -19.870 24.582 -30.485 O3' -24.524 22.008 -32.718 34 C P -26.065 22.135 -32.212 O3' -29.828 18.218 -32.330 35 A P -31.370 18.415 -31.873 O3' -33.940 14.150 -28.735 36 C P -35.325 13.992 -27.911 O3' -36.917 12.424 -23.240 1 19 + + c 2 18 + + c 3 17 + + c 4 16 + + c 5 15 + + c 6 14 + + c 8 34 + + c 9 33 + + c 10 32 - - c 11 31 + + c 12 30 + + c 13 29 - - c 18 21 S W c 18 22 S W c 7 10 ! ! ! 7 11 ! ! ! 7 31 ! ! ! 5 26 ! ! ! 16 26 ! ! ! 1 19 6 8 34 6 SG1 7 7 SG2 20 28 SG3 35 36 1 218.306 165.000 2 218.306 195.556 3 218.306 226.111 4 218.306 256.667 5 218.306 287.222 6 218.306 317.778 7 144.972 550.000 8 144.972 531.667 9 144.972 501.111 10 144.972 470.556 11 144.972 440.000 12 144.972 409.444 13 144.972 378.889 14 144.972 317.778 15 144.972 287.222 16 144.972 256.667 17 144.972 226.111 18 144.972 195.556 19 144.972 165.000 20 144.972 146.667 21 144.972 128.333 22 144.972 110.000 23 144.972 91.667 24 144.972 73.333 25 144.972 55.000 26 144.972 36.667 27 144.972 18.333 28 144.972 0.000 29 218.306 378.889 30 218.306 409.444 31 218.306 440.000 32 218.306 470.556 33 218.306 501.111 34 218.306 531.667 35 218.306 550.000 36 0.000 323.467