1 13 1 2 3 4 5 6 7 8 9 10 11 12 13 GGACAGAUGG GAG Crystallography ? ? Angstroms 1 G O3' 22.055 -22.116 7.373 2 G P 21.358 -21.661 5.987 O3' 18.254 -25.593 4.166 3 A P 17.781 -25.015 2.755 O3' 12.582 -26.436 1.011 4 C P 12.907 -25.745 -0.405 O3' 7.704 -23.935 -1.817 5 A P 7.166 -22.482 -2.261 O3' 3.726 -19.523 -1.673 6 G P 4.252 -18.905 -3.048 O3' 2.478 -13.727 -2.890 7 A P 2.961 -13.136 -4.298 O3' 2.970 -7.993 -3.507 8 U P 3.421 -7.210 -4.821 O3' 6.219 -3.218 -5.260 9 G P 6.095 -3.161 -6.834 O3' 10.480 -0.901 -8.884 10 G P 10.450 -0.935 -10.480 O3' 14.074 -1.577 -13.856 11 G P 13.347 -1.788 -15.271 O3' 15.462 -4.668 -19.081 12 A P 14.526 -5.017 -20.339 O3' 14.233 -8.632 -23.926 13 G P 12.987 -8.122 -24.812 O3' 10.411 -12.273 -27.529 1 127.212 10.601 2 127.212 28.269 3 127.212 45.938 4 127.212 63.606 5 127.212 81.274 6 127.212 98.942 7 127.212 134.279 8 127.212 151.947 9 127.212 169.615 10 127.212 187.284 11 127.212 204.952 12 127.212 222.620 13 127.212 240.289 1 28 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 gcuccca ggcuagcuac aacgacuguc c 1 DG 2 DC 3 DT 4 DC 5 DC 6 DC 7 DA 8 DG 9 DG 10 DC 11 DT 12 DA 13 DG 14 DC 15 DT 16 DA 17 DC 18 DA 19 DA 20 DC 21 DG 22 DA 23 DC 24 DT 25 DG 26 DT 27 DC 28 DC Crystallography ? ? Angstroms 1 g O3' -2.360 11.474 15.901 2 c P -1.351 11.925 14.726 O3' 1.209 16.563 16.149 3 u P 2.602 17.102 15.545 O3' 6.808 19.048 16.789 4 c P 7.149 19.195 15.222 O3' 12.558 19.013 15.063 5 c P 13.415 18.624 13.755 O3' 17.829 16.380 13.072 6 c P 17.951 16.473 11.462 O3' 20.931 12.334 9.196 7 a P 21.379 12.131 7.662 O3' 21.020 7.490 4.672 8 g P 21.860 7.581 3.314 O3' 18.865 5.690 -1.292 9 g P 19.797 5.048 -2.421 O3' 21.574 5.326 -6.664 10 c P 21.817 3.755 -6.767 O3' 26.363 2.025 -8.991 11 u P 26.553 0.460 -8.924 O3' 32.256 -0.697 -8.867 12 a P 32.998 -2.103 -8.638 O3' 36.903 -3.282 -5.162 13 g P 37.404 -4.773 -4.863 O3' 37.748 -6.518 0.519 14 c P 38.041 -8.047 0.938 O3' 36.367 -10.021 5.651 15 u P 36.226 -11.570 6.025 O3' 32.013 -12.510 9.892 16 a P 32.271 -13.531 11.077 O3' 28.569 -18.023 10.752 17 c P 27.219 -17.691 11.509 O3' 27.236 -22.876 10.921 18 a P 27.550 -23.333 9.422 O3' 27.413 -21.565 4.845 19 a P 27.201 -22.769 3.854 O3' 30.945 -22.650 -0.624 20 c P 30.133 -22.428 -1.978 O3' 25.362 -18.707 -2.703 21 g P 24.846 -17.541 -3.659 O3' 21.186 -14.463 -0.221 22 a P 19.953 -13.615 -0.745 O3' 19.227 -10.435 4.071 23 c P 17.764 -10.495 4.700 O3' 14.186 -8.106 5.462 24 u P 13.478 -8.713 6.779 O3' 8.627 -9.684 7.852 25 g P 8.252 -10.632 9.069 O3' 5.029 -14.495 9.815 26 u P 5.517 -14.968 11.279 O3' 3.862 -20.340 12.116 27 c P 4.434 -21.660 12.876 O3' 6.020 -26.484 11.976 28 c P 7.093 -27.472 12.605 O3' 10.407 -30.837 12.936 16 syn 19 syn 15 22 - - c 16 20 S H t 22 23 ! ! ! SG1 1 1 SG2 15 22 1 198.447 382.781 2 207.312 388.594 3 222.087 398.282 4 236.862 407.970 5 251.638 417.658 6 266.413 427.346 7 281.188 437.034 8 295.963 446.723 9 444.334 220.416 10 429.559 210.727 11 414.783 201.039 12 400.008 191.351 13 385.233 181.663 14 370.458 171.975 15 0.000 98.942 16 10.601 98.942 17 21.202 98.942 18 31.803 98.942 19 42.404 98.942 20 53.005 98.942 21 63.606 98.942 22 74.207 98.942 23 84.808 98.942 24 84.808 81.274 25 84.808 63.606 26 84.808 45.938 27 84.808 28.269 28 84.808 10.601 1 13 1 2 3 4 5 6 7 8 9 10 11 12 13 GGACAGAUG GGAG Crystallography ? ? Angstroms 1 G O3' 22.055 22.116 -7.373 2 G P 21.358 21.661 -5.987 O3' 18.254 25.593 -4.166 3 A P 17.781 25.015 -2.755 O3' 12.582 26.436 -1.011 4 C P 12.907 25.745 0.405 O3' 7.704 23.935 1.817 5 A P 7.166 22.482 2.261 O3' 3.726 19.523 1.673 6 G P 4.252 18.905 3.048 O3' 2.478 13.727 2.890 7 A P 2.961 13.136 4.298 O3' 2.970 7.993 3.507 8 U P 3.421 7.210 4.821 O3' 6.219 3.218 5.260 9 G P 6.095 3.161 6.834 O3' 10.480 0.901 8.884 10 G P 10.450 0.935 10.480 O3' 14.074 1.577 13.856 11 G P 13.347 1.788 15.271 O3' 15.462 4.668 19.081 12 A P 14.526 5.017 20.339 O3' 14.233 8.632 23.926 13 G P 12.987 8.122 24.812 O3' 10.411 12.273 27.529 1 376.139 550.000 2 361.363 540.312 3 346.588 530.624 4 331.813 520.936 5 317.038 511.248 6 302.262 501.559 7 272.712 482.183 8 257.937 472.495 9 243.161 462.807 10 228.386 453.119 11 213.611 443.431 12 198.836 433.743 13 184.060 424.055 1 28 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 gcuccc aggcuagcua caacgacugu cc 1 DG 2 DC 3 DT 4 DC 5 DC 6 DC 7 DA 8 DG 9 DG 10 DC 11 DT 12 DA 13 DG 14 DC 15 DT 16 DA 17 DC 18 DA 19 DA 20 DC 21 DG 22 DA 23 DC 24 DT 25 DG 26 DT 27 DC 28 DC Crystallography ? ? Angstroms 1 g O3' -2.360 -11.474 -15.901 2 c P -1.351 -11.925 -14.726 O3' 1.209 -16.563 -16.149 3 u P 2.602 -17.102 -15.545 O3' 6.808 -19.048 -16.789 4 c P 7.149 -19.195 -15.222 O3' 12.558 -19.013 -15.063 5 c P 13.415 -18.624 -13.755 O3' 17.829 -16.380 -13.072 6 c P 17.951 -16.473 -11.462 O3' 20.931 -12.334 -9.196 7 a P 21.379 -12.131 -7.662 O3' 21.020 -7.490 -4.672 8 g P 21.860 -7.581 -3.314 O3' 18.865 -5.690 1.292 9 g P 19.797 -5.048 2.421 O3' 21.574 -5.326 6.664 10 c P 21.817 -3.755 6.767 O3' 26.363 -2.025 8.991 11 u P 26.553 -0.460 8.924 O3' 32.256 0.697 8.867 12 a P 32.998 2.103 8.638 O3' 36.903 3.282 5.162 13 g P 37.404 4.773 4.863 O3' 37.748 6.518 -0.519 14 c P 38.041 8.047 -0.938 O3' 36.367 10.021 -5.651 15 u P 36.226 11.570 -6.025 O3' 32.013 12.510 -9.892 16 a P 32.271 13.531 -11.077 O3' 28.569 18.023 -10.752 17 c P 27.219 17.691 -11.509 O3' 27.236 22.876 -10.921 18 a P 27.550 23.333 -9.422 O3' 27.413 21.565 -4.845 19 a P 27.201 22.769 -3.854 O3' 30.945 22.650 0.624 20 c P 30.133 22.428 1.978 O3' 25.362 18.707 2.703 21 g P 24.846 17.541 3.659 O3' 21.186 14.463 0.221 22 a P 19.953 13.615 0.745 O3' 19.227 10.435 -4.071 23 c P 17.764 10.495 -4.700 O3' 14.186 8.106 -5.462 24 u P 13.478 8.713 -6.779 O3' 8.627 9.684 -7.852 25 g P 8.252 10.632 -9.069 O3' 5.029 14.495 -9.815 26 u P 5.517 14.968 -11.279 O3' 3.862 20.340 -12.116 27 c P 4.434 21.660 -12.876 O3' 6.020 26.484 -11.976 28 c P 7.093 27.472 -12.605 O3' 10.407 30.837 -12.936 16 syn 19 syn 15 22 - - c 16 20 S H t 22 23 ! ! ! SG1 1 1 SG2 15 22 1 84.808 0.000 2 84.808 240.289 3 84.808 222.620 4 84.808 204.952 5 84.808 187.284 6 84.808 169.615 7 84.808 151.947 8 84.808 134.279 9 393.709 136.514 10 408.484 146.202 11 423.260 155.891 12 438.035 165.579 13 452.810 175.267 14 467.586 184.955 15 372.017 395.178 16 366.204 404.043 17 360.391 412.908 18 354.578 421.773 19 348.765 430.638 20 342.952 439.503 21 337.140 448.368 22 331.327 457.234 23 325.514 466.099 24 340.289 475.787 25 355.064 485.475 26 369.840 495.163 27 384.615 504.851 28 399.390 514.539 1 28 + + c 2 27 + + c 3 25 W W c 3 26 - - c 4 25 + + c 5 24 - - c 6 23 + + c 1 28 6 7 8 W W c 8 7 - - c 9 6 + + c 10 5 + + c 11 4 + + c 12 3 - - c 13 2 + + c 7 8 7 2 13 + + c 3 12 - - c 4 11 + + c 5 10 + + c 6 9 + + c 7 8 - - c 8 7 W W c 2 13 7 9 14 + + c 10 13 + + c 11 12 - - c 12 11 - - c 13 10 + + c 14 9 + + c 9 14 6 1 28 + + c 2 27 + + c 3 25 W W c 3 26 - - c 4 25 + + c 5 24 - - c 6 23 + + c 1 28 6