1 55 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 50 51 52 53 54 55 GGGCCAUACC UCUUGGGCCU GGUUAGUACC UCUUCGGUGG GAAUACCAGG UGCCC LOOP1 11 14 LOOP2 34 35 Crystallography ? ? Angstroms 1 G P -9.920 29.724 6.649 O3' -14.212 27.046 5.993 2 G P -13.756 25.507 6.002 O3' -16.410 21.813 3.340 3 G P -15.690 20.396 3.564 O3' -15.559 16.466 0.117 4 C P -14.771 15.342 0.942 O3' -11.007 12.318 -0.940 5 C P -10.766 11.606 0.463 O3' -5.555 12.700 3.321 6 A P -4.437 11.611 3.026 O3' -0.681 13.633 0.004 7 U P -0.442 12.317 -0.871 O3' 3.400 16.217 -1.896 8 A P 3.713 16.936 -0.495 O3' 0.978 21.449 1.756 9 C P 2.016 22.437 2.466 O3' 3.521 22.112 7.507 10 C P 4.770 23.108 7.648 O3' 8.853 21.694 10.683 11 U P 9.591 23.109 10.600 O3' 14.907 23.199 9.520 12 C P 15.392 24.688 9.180 O3' 18.930 23.554 4.072 13 U P 20.497 23.667 3.800 O3' 21.534 19.318 0.119 14 U P 23.076 18.927 -0.019 O3' 19.748 15.005 -1.831 15 G P 20.346 13.737 -1.049 O3' 17.187 12.050 3.254 16 G P 16.003 10.968 3.228 O3' 12.727 9.940 7.159 17 G P 11.728 8.823 6.580 O3' 6.368 8.809 7.335 18 C P 6.003 7.497 6.486 O3' 2.104 7.552 2.879 19 C P 2.369 6.243 1.993 O3' 1.403 5.804 -3.007 20 U P 1.822 4.280 -3.305 O3' 3.577 2.345 -7.709 21 G P 4.096 0.837 -7.441 O3' 7.418 -1.379 -10.836 22 G P 7.771 -2.859 -10.333 O3' 12.374 -5.154 -11.547 23 U P 12.370 -6.651 -11.006 O3' 15.439 -9.192 -7.112 24 U P 14.384 -10.255 -6.553 O3' 15.457 -12.389 -2.236 25 A P 14.199 -13.287 -1.848 O3' 9.728 -11.859 -5.381 26 G P 9.571 -11.940 -6.968 O3' 6.150 -14.890 -3.917 27 U P 5.564 -16.248 -3.330 O3' 8.859 -18.622 -0.091 28 A P 8.073 -19.240 1.167 O3' 8.564 -18.644 6.263 29 C P 7.351 -19.618 6.650 O3' 3.554 -17.988 9.941 30 C P 2.519 -19.215 9.955 O3' -2.781 -18.432 9.896 31 U P -3.538 -19.807 9.528 O3' -8.536 -20.002 8.138 32 C P -8.626 -21.568 8.490 O3' -11.464 -24.526 4.969 33 U P -11.165 -26.057 5.342 O3' -9.922 -29.832 2.252 34 U P -9.510 -31.127 3.112 O3' -6.814 -34.783 -0.735 35 C P -5.304 -35.192 -0.381 O3' -0.682 -31.969 -2.199 36 G P 0.466 -32.640 -3.096 O3' -0.624 -28.704 -7.286 37 G P -0.141 -27.197 -7.014 O3' -4.097 -23.337 -8.048 38 U P -3.772 -21.779 -7.792 O3' -7.001 -18.282 -5.989 39 G P -6.147 -16.995 -6.441 O3' -6.525 -12.589 -3.419 40 G P -5.230 -11.644 -3.570 O3' -3.951 -8.311 0.481 41 G P -2.718 -7.391 0.016 O3' 1.824 -7.034 2.260 42 A P 2.815 -6.267 1.271 O3' 6.397 -4.930 4.895 43 A P 7.644 -3.978 4.544 O3' 10.675 -3.904 9.090 44 U P 11.603 -2.630 8.838 O3' 16.689 -3.050 8.332 45 A P 17.053 -1.645 7.648 O3' 20.739 -1.318 4.014 46 C P 20.683 0.156 3.385 O3' 22.234 1.213 -1.357 47 C P 21.900 2.762 -1.606 O3' 21.002 4.691 -6.291 48 A P 20.538 6.219 -6.122 O3' 17.575 8.661 -9.631 49 G P 17.165 10.104 -9.053 O3' 12.703 12.532 -10.523 50 G P 12.539 13.895 -9.681 O3' 7.855 15.933 -8.598 51 U P 8.159 17.375 -7.966 O3' 4.532 19.396 -3.936 52 G P 4.505 21.010 -3.800 O3' 0.270 21.287 -7.075 53 C P -0.606 22.399 -7.836 O3' -5.092 21.370 -10.385 54 C P -5.799 22.764 -10.754 O3' -10.974 23.359 -11.120 55 C P -11.266 24.921 -11.347 O3' -15.529 27.390 -9.773 36 syn 1 55 + + c 2 54 + + c 3 53 + + c 4 52 + + c 5 8 S W t 6 17 S S t 9 16 + + c 10 15 + + c 11 13 W H c 17 51 W W c 18 50 + + c 19 49 + + c 20 48 - - c 21 47 + + c 22 46 + + c 23 45 - - c 24 44 W W c 25 43 H H t 26 27 S H c 27 42 W H t 28 41 H S t 29 40 + + c 30 39 + + c 31 38 W W c 32 37 + + c 33 36 S W t 17 50 ! ! ! 14 15 ! ! ! 26 42 ! ! ! 34 35 ! ! ! 1 55 4 9 16 2 17 51 9 27 42 7 SG1 5 8 SG2 11 14 SG3 26 26 SG4 34 35 1 216.553 0.000 2 208.760 22.844 3 200.966 45.689 4 193.173 68.533 5 188.497 82.240 6 183.821 95.946 7 179.145 109.653 8 174.469 123.360 9 61.193 82.243 10 61.193 58.106 11 64.457 30.614 12 46.071 9.916 13 18.386 9.916 14 0.000 30.614 15 3.264 58.106 16 3.264 82.243 17 3.264 130.518 18 3.264 154.655 19 3.264 178.792 20 3.264 202.929 21 3.264 227.066 22 3.264 251.203 23 3.264 275.341 24 3.264 299.478 25 3.264 323.615 26 3.264 347.752 27 3.264 371.889 28 3.264 396.026 29 3.264 420.164 30 3.264 444.301 31 3.264 468.438 32 3.264 492.575 33 3.264 516.712 34 14.640 550.000 35 49.818 550.000 36 61.193 516.712 37 61.193 492.575 38 61.193 468.438 39 61.193 444.301 40 61.193 420.164 41 61.193 396.026 42 61.193 371.889 43 61.193 323.615 44 61.193 299.478 45 61.193 275.341 46 61.193 251.203 47 61.193 227.066 48 61.193 202.929 49 61.193 178.792 50 61.193 154.655 51 61.193 130.518 52 247.999 87.237 53 255.793 64.393 54 263.586 41.549 55 271.380 18.704