1 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GGGACCAGAA GGUCCCG LOOP1 8 9 Crystallography ? ? Angstroms 1 G O3' -11.301 -8.151 -4.875 2 G P -11.594 -6.603 -4.535 O3' -8.940 -3.261 -1.493 3 G P -9.393 -1.721 -1.667 O3' -5.652 2.127 -1.931 4 A P -6.293 3.571 -2.254 O3' -3.815 7.141 -5.400 5 C P -4.706 8.410 -5.837 O3' -4.715 10.185 -10.844 6 C P -5.721 11.439 -10.742 O3' -9.331 13.182 -13.957 7 A P -9.952 14.163 -12.835 O3' -14.196 13.885 -9.810 8 G P -14.100 14.926 -8.582 O3' -18.903 12.689 -6.045 9 A P -19.564 11.648 -5.001 O3' -21.997 7.334 -7.888 10 A P -22.586 5.843 -8.078 O3' -20.805 2.540 -12.036 11 G P -20.333 0.998 -11.937 O3' -17.176 -1.117 -15.936 12 G P -16.026 -2.234 -15.735 O3' -11.422 -1.279 -18.546 13 U P -10.184 -2.300 -18.395 O3' -5.059 -1.156 -18.946 14 C P -4.157 -2.435 -18.566 O3' 0.443 -1.408 -15.899 15 C P 1.214 -2.780 -15.558 O3' 3.937 -3.407 -10.999 16 C P 4.408 -4.945 -10.938 O3' 3.823 -7.198 -5.992 17 G P 5.151 -7.973 -6.479 O3' 4.986 -7.873 -11.061 9 syn 1 16 + + c 2 15 + + c 3 14 + + c 4 13 - - c 5 12 + + c 6 11 + + c 7 9 S W c 7 10 S W c 1 16 7 SG1 8 9 SG2 17 17 1 165.432 41.358 2 165.432 110.288 3 165.432 179.218 4 165.432 248.148 5 165.432 317.078 6 165.432 386.008 7 165.432 454.938 8 132.946 550.000 9 32.486 550.000 10 0.000 454.938 11 0.000 386.008 12 0.000 317.078 13 0.000 248.148 14 0.000 179.218 15 0.000 110.288 16 0.000 41.358 17 0.000 0.000