1 9 1 2 3 4 5 6 7 8 9 ggAGAUgac 1 DG 2 DG 7 DG 8 DA 9 DC Crystallography ? ? Angstroms 1 g O3' 1.948 -9.904 1.219 2 g P 0.472 -9.988 1.870 O3' -0.551 -8.183 6.871 3 A P -2.027 -8.195 7.548 O3' -2.844 -5.196 12.278 4 G P -4.204 -5.410 13.127 O3' -7.903 -1.636 15.124 5 A P -9.372 -2.093 15.637 O3' -13.837 0.741 14.451 6 U P -15.233 -0.082 14.413 O3' -18.705 1.760 10.252 7 g P -20.175 1.231 10.643 O3' -23.925 -1.758 6.818 8 a P -24.911 -3.035 6.765 O3' -24.599 -7.509 4.233 9 c P -25.261 -8.936 4.606 O3' -23.346 -13.737 4.325 1 0.000 0.000 2 0.000 68.750 3 0.000 137.500 4 0.000 206.250 5 0.000 275.000 6 0.000 343.750 7 0.000 412.500 8 0.000 481.250 9 0.000 550.000 1 9 10 11 12 13 14 15 16 17 18 g ucaucucc 1 DG 2 DT 3 DC 4 DA 5 DT 6 DC 7 DT 8 DC 9 DC Crystallography ? ? Angstroms 1 g O3' -9.033 -14.967 10.653 2 u P -8.466 -14.289 9.302 O3' -9.704 -12.982 4.605 3 c P -9.089 -11.759 3.746 O3' -12.397 -9.332 0.183 4 a P -12.334 -7.955 -0.656 O3' -13.155 -3.581 -2.631 5 u P -11.911 -2.703 -3.166 O3' -11.543 2.585 -1.997 6 c P -10.233 3.400 -2.461 O3' -8.637 6.786 1.560 7 u P -7.533 7.817 1.002 O3' -3.809 8.755 4.981 8 c P -2.340 9.369 4.729 O3' 1.397 6.864 8.207 9 c P 2.992 6.693 8.333 O3' 5.663 2.052 9.012 4 syn 1 165.000 550.000 2 165.000 481.250 3 165.000 412.500 4 165.000 343.750 5 165.000 275.000 6 165.000 206.250 7 165.000 137.500 8 165.000 68.750 9 165.000 0.000 1 9 + + c 2 8 + + c 3 7 - - c 4 6 + + c 5 5 - - c 6 4 - - c 7 3 + + c 8 2 - - c 9 1 + + c 1 9 9