1 49 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 GGGAGUGAAG GAGGCUCGCG AACUCGCGAA GCCGAGAAAC UUCACUCCC LOOP1 21 24 Crystallography ? ? Angstroms 1 G P 52.134 -6.502 -15.031 O3' 52.439 -2.706 -19.413 2 G P 53.520 -1.682 -20.007 O3' 50.612 -0.392 -25.029 3 G P 49.095 -0.387 -25.570 O3' 46.477 -2.670 -30.275 4 A P 44.874 -2.856 -30.238 O3' 42.226 -6.019 -32.169 5 G P 40.668 -5.898 -31.782 O3' 37.239 -9.766 -31.944 6 U P 35.898 -9.146 -31.314 O3' 32.827 -12.586 -28.753 7 G P 31.658 -11.767 -28.014 O3' 29.826 -12.899 -23.097 8 A P 28.675 -11.800 -22.980 O3' 27.909 -10.267 -17.610 9 A P 27.127 -8.873 -17.206 O3' 27.646 -5.225 -13.687 10 G P 26.406 -4.280 -14.071 O3' 27.071 0.915 -12.539 11 G P 25.809 1.748 -13.093 O3' 25.803 6.086 -16.341 12 A P 24.282 6.418 -15.921 O3' 23.440 11.184 -18.082 13 G P 24.389 12.476 -18.349 O3' 30.217 11.907 -18.443 14 G P 31.439 12.927 -18.654 O3' 35.900 11.593 -20.599 15 C P 36.576 13.050 -20.501 O3' 39.990 13.752 -24.377 16 U P 40.792 15.144 -24.417 O3' 42.304 18.543 -28.928 17 C P 43.082 19.686 -28.120 O3' 42.678 24.212 -31.124 18 G P 43.362 25.440 -30.295 O3' 42.393 30.096 -30.914 19 C P 43.293 30.773 -29.763 O3' 42.068 35.395 -28.255 20 G P 43.405 35.647 -27.411 O3' 42.902 38.113 -22.981 21 A P 44.246 37.834 -22.049 O3' 45.379 35.154 -17.711 22 A P 43.853 35.337 -17.212 O3' 45.268 29.696 -16.719 23 C P 46.618 29.452 -15.876 O3' 44.189 26.802 -16.487 24 U P 42.720 26.540 -15.866 O3' 40.152 23.945 -14.429 25 C P 38.703 23.586 -13.841 O3' 35.315 27.404 -13.652 26 G P 34.322 27.248 -14.900 O3' 31.961 31.135 -16.863 27 C P 30.961 30.384 -17.865 O3' 29.694 32.136 -22.450 28 G P 29.018 30.901 -23.220 O3' 29.083 29.926 -27.840 29 A P 27.655 29.280 -27.504 O3' 29.094 28.472 -31.970 30 A P 29.925 29.351 -33.027 O3' 30.672 23.996 -35.235 31 G P 29.792 22.655 -35.167 O3' 32.146 18.173 -36.723 32 C P 31.355 16.773 -36.616 O3' 32.832 12.244 -35.870 33 C P 31.587 11.241 -35.761 O3' 30.353 6.441 -32.802 34 G P 28.787 6.257 -33.119 O3' 26.607 4.826 -29.000 35 A P 25.039 4.488 -29.056 O3' 22.000 3.611 -26.079 36 G P 20.536 3.137 -26.531 O3' 21.086 -2.153 -28.458 37 A P 21.090 -2.720 -26.935 O3' 26.249 -1.997 -25.235 38 A P 25.661 -0.521 -24.995 O3' 30.423 0.253 -26.823 39 A P 31.886 0.716 -27.318 O3' 34.585 5.060 -27.286 40 C P 35.856 4.516 -26.474 O3' 37.880 6.070 -22.098 41 U P 38.983 4.936 -21.837 O3' 39.953 3.523 -16.827 42 U P 41.039 2.344 -16.728 O3' 40.872 -3.132 -14.938 43 C P 42.162 -4.023 -15.332 O3' 41.284 -8.620 -13.402 44 A P 42.515 -9.517 -13.922 O3' 41.319 -14.596 -15.124 45 C P 42.429 -15.621 -15.587 O3' 42.795 -18.877 -19.803 46 U P 44.222 -18.964 -20.545 O3' 45.449 -20.280 -25.326 47 C P 46.990 -20.029 -25.730 O3' 49.358 -17.340 -29.532 48 C P 50.959 -17.231 -29.470 O3' 53.460 -13.898 -32.638 49 C P 54.835 -14.672 -32.338 O3' 58.949 -11.888 -31.223 21 syn 35 syn 2 48 + + c 3 47 + + c 4 46 - - c 5 45 + + c 6 44 - - c 7 43 + + c 8 42 - - c 9 41 - - c 10 40 + + c 11 39 S H t 12 34 S S t 13 33 W W c 13 39 S S t 14 32 + + c 15 31 + + c 15 32 W W c 16 30 - - c 17 28 + + c 18 27 + + c 19 26 + + c 20 25 + + c 33 39 ! ! ! 11 38 ! ! ! 21 22 ! ! ! 22 23 ! ! ! 24 25 ! ! ! 35 36 ! ! ! 38 39 ! ! ! 2 48 10 12 34 5 17 28 4 SG1 1 1 SG2 21 24 SG3 29 29 SG4 35 38 SG5 49 49 1 54.475 0.000 2 54.475 12.892 3 54.475 34.380 4 54.475 55.867 5 54.475 77.354 6 54.475 98.842 7 54.475 120.329 8 54.475 141.816 9 54.475 163.303 10 54.475 184.791 11 54.475 206.278 12 54.475 313.715 13 54.475 335.202 14 54.475 356.689 15 54.475 378.176 16 54.475 399.664 17 54.475 442.638 18 54.475 464.126 19 54.475 485.613 20 54.475 507.100 21 57.381 531.574 22 41.013 550.000 23 16.368 550.000 24 0.000 531.574 25 2.906 507.100 26 2.906 485.613 27 2.906 464.126 28 2.906 442.638 29 2.906 421.151 30 2.906 399.664 31 2.906 378.176 32 2.906 356.689 33 2.906 335.202 34 2.906 313.715 35 2.906 292.227 36 2.906 270.740 37 2.906 249.253 38 2.906 227.765 39 2.906 206.278 40 2.906 184.791 41 2.906 163.303 42 2.906 141.816 43 2.906 120.329 44 2.906 98.842 45 2.906 77.354 46 2.906 55.867 47 2.906 34.380 48 2.906 12.892 49 2.906 0.000