1 10 1 2 3 4 5 6 7 8 9 10 CAAAGAAAAG Crystallography ? ? Angstroms 1 C O3' -46.553 56.175 4.035 2 A P -45.019 56.596 4.215 O3' -42.945 54.582 8.978 3 A P -42.082 55.642 9.822 O3' -39.825 51.722 13.258 4 A P -38.343 51.501 13.825 O3' -37.024 46.762 15.348 5 G P -35.476 46.553 15.718 O3' -32.039 42.954 15.881 6 A P -30.744 43.872 16.128 O3' -26.071 43.345 14.216 7 A P -25.265 44.668 14.639 O3' -21.484 46.530 11.445 8 A P -20.838 47.925 11.937 O3' -18.587 50.978 8.344 9 A P -17.896 52.264 9.017 O3' -17.245 56.612 6.516 10 G P -16.515 57.550 7.593 O3' -17.433 62.606 7.208 2 syn 1 146.667 0.000 2 146.667 61.111 3 146.667 122.222 4 146.667 183.333 5 146.667 244.444 6 146.667 305.556 7 146.667 366.667 8 146.667 427.778 9 146.667 488.889 10 146.667 550.000 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' -32.009 64.317 12.185 2 u P -32.526 63.184 11.174 O3' -31.590 62.794 6.327 3 u P -32.343 61.521 5.703 O3' -29.992 57.931 1.954 4 u P -30.963 56.726 1.564 O3' -28.623 52.461 -0.364 5 u P -29.511 51.146 -0.604 O3' -27.901 46.400 -0.593 6 c P -29.257 45.601 -0.901 O3' -30.233 40.906 0.808 7 u P -31.756 40.744 0.323 O3' -35.049 38.294 3.574 8 u P -36.540 38.187 3.005 O3' -40.605 37.852 6.438 9 u P -42.150 37.944 6.002 O3' -45.970 40.149 8.990 10 g P -47.258 39.649 8.159 O3' -51.733 40.412 7.425 1 0.000 550.000 2 0.000 488.889 3 0.000 427.778 4 0.000 366.667 5 0.000 305.556 6 0.000 244.444 7 0.000 183.333 8 0.000 122.222 9 0.000 61.111 10 0.000 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