1 13 1 2 3 4 5 6 7 8 9 10 11 12 13 UCCCaGUCCA CCG 5 A2M Crystallography ? ? Angstroms 1 U O3' -47.670 -34.305 52.744 2 C P -46.926 -34.914 51.459 O3' -47.102 -31.850 46.983 3 C P -46.317 -32.824 45.954 O3' -44.398 -30.825 42.065 4 C P -43.916 -32.080 41.172 O3' -39.030 -32.960 38.348 5 a P -39.531 -34.241 37.535 O3' -35.779 -38.619 37.439 6 G P -35.918 -39.776 36.330 O3' -31.572 -42.982 34.833 7 U P -32.127 -44.451 35.164 O3' -30.430 -48.393 37.693 8 C P -31.634 -49.446 37.528 O3' -33.598 -52.278 41.059 9 C P -34.726 -52.950 40.139 O3' -39.062 -54.491 42.236 10 A P -39.881 -55.179 41.032 O3' -44.872 -55.519 40.681 11 C P -45.055 -56.277 39.273 O3' -49.238 -55.378 36.164 12 C P -48.958 -56.076 34.740 O3' -50.955 -54.248 30.415 13 G P -50.435 -55.274 29.291 O3' -49.724 -53.905 24.422 SG1 1 1 SG2 5 7 1 44.623 141.066 2 54.884 153.987 3 71.986 175.523 4 89.088 197.059 5 106.189 218.594 6 140.393 261.665 7 174.596 304.737 8 208.799 347.808 9 225.901 369.344 10 243.003 390.879 11 260.104 412.415 12 277.206 433.950 13 294.308 455.486 1 12 2 3 4 5 6 7 8 9 10 11 12 13 CGGUGAI AAGGG 7 I Crystallography ? ? Angstroms 1 C O3' -36.980 -45.236 25.073 2 G P -37.613 -44.453 26.326 O3' -42.319 -42.568 26.452 3 G P -42.462 -41.933 27.927 O3' -46.683 -41.538 30.494 4 U P -46.213 -40.821 31.861 O3' -49.094 -41.562 36.127 5 G P -48.432 -40.758 37.344 O3' -48.334 -42.285 42.197 6 A P -47.358 -41.242 42.927 O3' -44.766 -43.266 47.088 7 I P -44.053 -42.015 47.804 O3' -38.498 -42.839 48.878 8 A P -37.635 -41.793 49.743 O3' -32.775 -42.805 50.706 9 A P -32.496 -41.450 51.502 O3' -28.452 -38.565 50.416 10 G P -28.784 -37.311 51.351 O3' -27.928 -32.500 49.287 11 G P -28.604 -31.336 50.169 O3' -30.217 -26.924 48.011 12 G P -30.889 -26.076 49.201 O3' -34.982 -23.011 48.340 SG1 7 9 1 345.993 414.442 2 328.891 392.906 3 311.790 371.371 4 294.688 349.835 5 277.586 328.300 6 260.485 306.764 7 243.383 285.228 8 209.180 242.157 9 174.976 199.086 10 140.773 156.015 11 123.672 134.479 12 106.570 112.943 1 17 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 GGCAG AGAAACACAC GA Crystallography ? ? Angstroms 1 G O3' -47.166 -20.867 44.760 2 G P -46.566 -21.690 43.518 O3' -49.341 -23.084 39.553 3 C P -48.211 -23.651 38.573 O3' -48.263 -23.032 33.429 4 A P -46.814 -23.568 32.985 O3' -44.183 -21.627 29.123 5 G P -42.792 -22.433 29.145 O3' -38.491 -20.321 27.346 6 A P -37.458 -21.543 27.553 O3' -32.553 -20.513 28.999 7 G P -31.830 -21.932 29.152 O3' -28.727 -23.143 33.037 8 A P -28.220 -24.468 32.300 O3' -24.421 -26.039 36.246 9 A P -23.945 -27.524 36.606 O3' -22.450 -28.184 41.502 10 A P -22.105 -29.729 41.769 O3' -23.088 -32.545 45.776 11 C P -22.535 -33.989 45.360 O3' -25.146 -38.389 46.043 12 A P -24.347 -39.647 45.456 O3' -26.502 -43.786 43.283 13 C P -25.246 -44.693 42.869 O3' -24.934 -46.992 38.229 14 A P -23.485 -47.700 38.239 O3' -20.885 -48.210 33.877 15 C P -19.471 -48.835 34.297 O3' -15.206 -47.447 31.431 16 G P -13.871 -48.000 32.141 O3' -9.431 -45.506 31.790 17 A P -8.472 -46.447 32.671 O3' -4.804 -44.679 35.591 SG1 10 11 1 0.000 0.000 2 0.000 27.500 3 0.000 55.000 4 0.000 82.500 5 0.000 110.000 6 0.000 137.500 7 0.000 165.000 8 0.000 220.000 9 0.000 247.500 10 0.000 275.000 11 0.000 330.000 12 0.000 412.500 13 0.000 440.000 14 0.000 467.500 15 0.000 495.000 16 0.000 522.500 17 0.000 550.000 1 19 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 UCGUGGUA CAUUACCUGC C Crystallography ? ? Angstroms 1 U O3' -12.737 -37.353 46.809 2 C P -13.769 -36.623 45.815 O3' -11.607 -34.139 41.743 3 G P -12.902 -33.577 40.985 O3' -12.479 -33.000 35.719 4 U P -13.825 -32.333 35.157 O3' -16.116 -33.955 30.733 5 G P -17.536 -33.215 30.604 O3' -21.199 -35.613 27.841 6 G P -22.418 -34.567 27.758 O3' -27.100 -38.021 26.988 7 U P -28.355 -37.691 26.061 O3' -32.980 -36.904 29.542 8 A P -33.598 -35.444 29.589 O3' -29.051 -33.019 31.551 9 C P -28.876 -32.500 30.040 O3' -34.221 -30.055 28.844 10 A P -34.768 -29.040 29.952 O3' -37.690 -31.067 33.706 11 U P -38.491 -29.736 34.086 O3' -38.629 -28.705 39.726 12 U P -39.319 -27.498 40.526 O3' -36.235 -23.924 42.720 13 A P -36.862 -22.479 42.517 O3' -33.602 -19.563 45.664 14 C P -34.143 -18.095 45.312 O3' -32.136 -14.392 42.581 15 C P -33.431 -13.487 42.277 O3' -34.049 -10.857 38.018 16 U P -35.503 -10.193 38.139 O3' -38.308 -8.783 34.083 17 G P -39.689 -8.176 34.648 O3' -44.091 -8.272 31.898 18 C P -45.304 -7.692 32.774 O3' -50.031 -9.037 32.585 19 C P -50.550 -7.974 33.672 O3' -54.765 -9.630 36.321 8 syn SG1 7 9 SG2 12 12 1 66.000 550.000 2 66.000 522.500 3 66.000 495.000 4 66.000 467.500 5 66.000 440.000 6 66.000 412.500 7 66.000 385.000 8 66.000 357.500 9 66.000 302.500 10 66.000 247.500 11 66.000 220.000 12 66.000 192.500 13 66.000 165.000 14 66.000 137.500 15 66.000 110.000 16 66.000 82.500 17 66.000 55.000 18 66.000 27.500 19 66.000 0.000 2 12 + + c 3 11 + + c 4 10 + + c 5 8 S H t 8 6 W W c 9 5 + + c 10 4 - - c 11 3 + + c 12 2 + + c 13 1 + + c 2 12 3 8 6 6 6 11 + + c 1 19 + + c 2 18 + + c 3 17 + + c 4 16 - - c 5 15 + + c 6 14 W W c 7 13 S H t 8 11 H W t 9 10 H W t 12 6 W W c 13 5 + + c 14 4 - - c 15 3 + + c 16 2 + + c 17 1 - - c 10 8 ! ! ! 1 19 7 8 11 2 12 6 6