1 12 1 2 3 4 5 6 7 8 9 10 11 12 GGUGUGAACA CC LOOP1 5 8 Crystallography ? ? Angstroms 1 G O3' -7.494 -3.891 7.581 2 G P -6.846 -5.362 7.499 O3' -5.953 -6.303 2.119 3 U P -4.750 -6.617 1.090 O3' -4.695 -6.683 -3.923 4 G P -3.508 -7.755 -3.662 O3' 0.232 -4.605 -6.813 5 U P 1.731 -5.178 -6.963 O3' 5.674 -3.690 -3.472 6 G P 6.610 -3.850 -4.781 O3' 10.173 -6.498 -1.043 7 A P 10.679 -5.317 -0.049 O3' 8.155 -2.232 4.303 8 A P 9.350 -1.149 4.448 O3' 8.488 4.401 3.514 9 C P 7.561 5.420 4.359 O3' 3.998 7.709 1.117 10 A P 2.551 8.413 1.294 O3' -0.937 9.367 -2.605 11 C P -1.614 10.346 -1.514 O3' -6.840 8.517 -2.698 12 C P -7.591 9.818 -2.114 O3' -12.486 7.359 -0.631 6 syn 7 syn 8 syn 1 12 + + c 2 11 + + c 3 10 - - c 4 9 + + c 5 7 ! ! ! 5 8 ! ! ! 1 12 4 SG1 5 8 1 14.886 0.000 2 14.886 110.077 3 14.886 220.153 4 14.886 330.230 5 0.000 455.606 6 83.849 550.000 7 210.106 550.000 8 293.956 455.606 9 279.070 330.230 10 279.070 220.153 11 279.070 110.077 12 279.070 0.000