1 30 19 20 21 22 23 24 25 26 27 28 29 30 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 GGCAGAGUCC UUCGGGACAU UGCACCUGCC LOOP1 11 14 Crystallography ? ? Angstroms 1 G O3' -3.045 18.350 -29.213 2 G P -3.345 16.829 -28.768 O3' -8.407 16.726 -26.854 3 C P -8.659 15.230 -26.318 O3' -12.365 11.820 -28.227 4 A P -12.185 10.312 -27.694 O3' -14.848 6.554 -30.933 5 G P -14.578 4.987 -30.677 O3' -15.362 2.652 -35.826 6 A P -15.149 1.131 -36.313 O3' -11.199 -1.010 -39.383 7 G P -11.814 -2.467 -39.690 O3' -16.232 -1.790 -41.024 8 U P -16.004 -0.634 -42.128 O3' -19.455 1.280 -45.772 9 C P -18.983 2.718 -46.325 O3' -23.218 6.076 -47.450 10 C P -22.774 7.546 -47.939 O3' -25.333 12.218 -47.608 11 U P -24.318 13.380 -48.066 O3' -21.430 17.020 -45.482 12 U P -19.978 17.559 -45.920 O3' -18.181 20.258 -41.144 13 C P -16.604 20.032 -40.911 O3' -15.865 17.305 -35.959 14 G P -15.575 18.360 -34.779 O3' -20.641 17.183 -32.197 15 G P -20.355 15.759 -31.501 O3' -25.657 13.917 -31.049 16 G P -26.221 12.481 -30.588 O3' -29.149 8.806 -32.870 17 A P -29.235 7.592 -31.812 O3' -31.469 3.153 -34.384 18 C P -31.432 1.740 -33.612 O3' -29.842 -2.689 -36.321 19 A P -29.633 -4.142 -35.661 O3' -25.761 -8.382 -36.877 20 U P -25.379 -9.867 -36.390 O3' -19.976 -12.018 -35.546 21 U P -20.197 -13.545 -35.085 O3' -15.459 -16.916 -33.492 22 G P -15.187 -17.223 -35.049 O3' -11.959 -13.843 -37.905 23 C P -10.392 -14.219 -37.917 O3' -5.832 -10.105 -39.059 24 A P -5.324 -9.219 -40.303 O3' -4.598 -3.858 -38.922 25 C P -3.637 -3.293 -40.085 O3' 0.574 -0.005 -38.697 26 C P 1.425 0.384 -40.010 O3' -1.907 4.934 -41.559 27 U P -1.468 6.484 -41.474 O3' -4.878 9.577 -44.243 28 G P -4.890 11.187 -44.220 O3' -9.068 14.516 -44.108 29 C P -8.445 15.995 -44.244 O3' -11.713 19.829 -42.030 30 C P -11.143 21.050 -42.912 O3' -9.398 25.247 -40.278 14 syn 1 30 W W c 2 29 W W c 3 28 + + c 4 27 - - c 5 26 + + c 7 18 + + c 8 17 - - c 9 16 W W c 10 15 + + c 11 13 S H c 11 14 ! ! ! 23 24 ! ! ! 1 30 5 7 18 4 SG1 6 6 SG2 11 14 SG3 19 25 1 0.000 0.000 2 0.000 67.073 3 0.000 134.146 4 0.000 201.220 5 0.000 268.293 6 0.000 308.537 7 216.895 398.330 8 213.725 331.332 9 210.555 264.333 10 207.385 197.335 11 194.714 121.453 12 243.030 61.586 13 319.877 57.950 14 373.630 112.988 15 368.180 189.727 16 371.350 256.725 17 374.520 323.724 18 377.690 390.722 19 160.976 550.000 20 160.976 509.756 21 160.976 469.512 22 160.976 429.268 23 160.976 389.024 24 160.976 348.780 25 160.976 308.537 26 160.976 268.293 27 160.976 201.220 28 160.976 134.146 29 160.976 67.073 30 160.976 0.000