1 10 1 2 3 4 5 6 7 8 9 10 CAAAGAAAAG Crystallography ? ? Angstroms 1 C O3' -40.426 8.919 17.577 2 A P -40.805 7.553 16.899 O3' -39.868 7.564 11.064 3 A P -40.602 7.014 9.811 O3' -36.388 4.817 6.634 4 A P -36.244 3.366 6.081 O3' -31.452 1.714 4.653 5 G P -31.243 0.177 4.394 O3' -27.945 -3.344 4.461 6 A P -28.937 -4.585 4.309 O3' -28.667 -9.174 6.211 7 A P -30.021 -9.833 5.716 O3' -31.788 -13.713 8.672 8 A P -33.018 -14.559 8.269 O3' -37.512 -15.504 11.674 9 A P -39.006 -15.980 11.356 O3' -43.195 -16.325 13.631 10 G P -43.987 -16.755 12.325 O3' -48.971 -15.416 11.669 1 0.000 0.000 2 0.000 61.111 3 0.000 122.222 4 0.000 183.333 5 0.000 244.444 6 0.000 305.556 7 0.000 366.667 8 0.000 427.778 9 0.000 488.889 10 0.000 550.000 1 10 11 12 13 14 15 16 17 18 19 20 cuuuucuuug 1 DC 2 DT 3 DT 4 DT 5 DT 6 DC 7 DT 8 DT 9 DT 10 DG Crystallography ? ? Angstroms 1 c O3' -48.148 -1.089 7.106 2 u P -47.111 -0.489 8.102 O3' -47.051 -1.471 13.205 3 u P -45.727 -0.953 13.911 O3' -43.331 -3.470 17.709 4 u P -41.914 -2.832 18.093 O3' -38.137 -5.197 20.334 5 u P -36.916 -4.241 20.589 O3' -32.144 -5.675 21.161 6 c P -31.279 -4.348 21.269 O3' -26.344 -4.148 19.777 7 u P -26.033 -2.625 20.116 O3' -23.366 0.490 16.827 8 u P -23.275 1.982 17.413 O3' -22.823 5.942 13.758 9 u P -22.905 7.489 14.094 O3' -24.639 11.252 11.443 10 g P -24.813 12.171 10.088 O3' -29.101 16.120 10.107 1 146.667 550.000 2 146.667 488.889 3 146.667 427.778 4 146.667 366.667 5 146.667 305.556 6 146.667 244.444 7 146.667 183.333 8 146.667 122.222 9 146.667 61.111 10 146.667 0.000 1 10 + + c 2 9 - - c 3 8 - - c 4 7 - - c 5 6 + + c 6 5 - - c 7 4 - - c 8 3 - - c 9 2 - - c 10 1 + + c 1 10 10