1 30 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 GGUGGGCGCA GCUUCGGCUG ACGGUACACC LOOP1 14 15 Crystallography ? ? Angstroms 1 G O3' -13.999 5.160 2.947 2 G P -12.442 5.416 3.267 O3' -10.326 4.654 7.736 3 U P -8.778 4.970 7.432 O3' -5.131 2.557 9.978 4 G P -3.798 3.180 9.333 O3' 0.417 0.478 8.728 5 G P 1.522 1.398 8.008 O3' 5.108 -2.540 5.364 6 G P 6.632 -2.323 4.884 O3' 7.711 -5.680 0.455 7 C P 9.316 -5.735 0.558 O3' 11.134 -3.972 -4.555 8 G P 12.570 -3.304 -4.866 O3' 13.985 0.591 -8.061 9 C P 15.579 0.658 -7.816 O3' 17.019 5.377 -5.022 10 A P 18.398 5.626 -4.223 O3' 19.180 8.398 -0.079 11 G P 20.709 7.997 0.210 O3' 22.362 7.345 4.924 12 C P 23.880 6.921 4.608 O3' 26.441 3.635 7.418 13 U P 27.857 3.395 6.697 O3' 29.348 -1.983 4.760 14 U P 29.318 -2.954 6.052 O3' 29.760 -5.898 1.272 15 C P 29.634 -5.076 -0.110 O3' 24.275 -4.187 -3.221 16 G P 23.789 -4.989 -4.529 O3' 20.024 -8.468 -2.371 17 G P 18.592 -8.245 -1.663 O3' 17.701 -9.433 3.217 18 C P 16.206 -8.883 3.443 O3' 14.641 -6.742 7.729 19 U P 13.131 -6.328 7.355 O3' 10.838 -2.237 9.311 20 G P 9.406 -2.484 8.618 O3' 7.479 2.758 7.411 21 A P 6.263 2.555 8.451 O3' 6.562 7.594 7.666 22 C P 5.448 7.897 6.539 O3' 4.525 10.101 2.208 23 G P 2.919 10.057 2.302 O3' -0.502 7.933 -1.204 24 G P -1.861 7.453 -0.478 O3' -6.394 6.833 -3.471 25 U P -6.722 7.057 -5.040 O3' -9.806 2.234 -7.029 26 A P -10.458 1.083 -6.107 O3' -7.825 -3.693 -6.785 27 C P -8.324 -4.944 -5.902 O3' -5.596 -8.428 -3.570 28 A P -6.808 -9.153 -2.801 O3' -6.475 -11.305 1.656 29 C P -8.009 -11.727 1.877 O3' -10.189 -11.545 6.423 30 C P -11.700 -11.961 6.058 O3' -15.713 -9.978 8.494 16 syn 21 syn 24 syn 1 30 + + c 2 29 + + c 3 28 - - c 4 27 + + c 5 26 W W c 6 24 W W t 7 23 + + c 8 22 + + c 9 20 + + c 10 19 - - c 11 18 + + c 12 17 + + c 13 16 S W t 1 30 5 6 24 3 9 20 5 SG1 14 15 SG2 21 21 SG3 25 25 1 85.831 0.000 2 85.831 35.763 3 85.831 71.526 4 85.831 107.288 5 85.831 143.051 6 85.831 214.577 7 85.831 250.340 8 85.831 286.102 9 85.831 357.628 10 85.831 393.391 11 85.831 429.154 12 85.831 464.916 13 85.831 500.679 14 68.976 550.000 15 16.855 550.000 16 0.000 500.679 17 0.000 464.916 18 0.000 429.154 19 0.000 393.391 20 0.000 357.628 21 0.000 321.865 22 0.000 286.102 23 0.000 250.340 24 0.000 214.577 25 0.000 178.814 26 0.000 143.051 27 0.000 107.288 28 0.000 71.526 29 0.000 35.763 30 0.000 0.000