1
23
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23
CUuGCUGAAG UGCACACAGC AAG
3
5BU
Crystallography ?
? Angstroms
1
C
O3'
-2.111 -12.464 -16.787
2
U
P
-2.673 -13.618 -17.736
O3'
-5.898 -12.350 -21.604
3
u
P
-6.127 -13.695 -22.462
O3'
-6.337 -13.947 -27.615
4
G
P
-6.247 -15.507 -28.003
O3'
-3.560 -17.060 -32.346
5
C
P
-3.269 -18.634 -32.519
O3'
0.788 -20.615 -35.039
6
U
P
0.505 -22.183 -34.844
O3'
4.765 -25.363 -34.422
7
G
P
4.454 -26.867 -33.938
O3'
7.688 -29.676 -31.200
8
A
P
7.312 -31.129 -30.605
O3'
2.722 -33.426 -31.218
9
A
P
2.550 -34.309 -29.888
O3'
1.187 -40.027 -31.048
10
G
P
-0.298 -40.578 -30.733
O3'
-2.629 -38.248 -34.830
11
U
P
-2.982 -36.823 -34.207
O3'
-7.276 -34.353 -35.392
12
G
P
-7.104 -32.935 -34.665
O3'
-11.211 -30.348 -32.988
13
C
P
-10.518 -29.031 -32.397
O3'
-12.579 -26.304 -28.546
14
A
P
-11.424 -25.234 -28.205
O3'
-10.300 -24.173 -23.101
15
C
P
-9.002 -23.287 -22.754
O3'
-6.148 -23.690 -18.405
16
A
P
-4.844 -22.776 -18.604
O3'
-0.460 -23.901 -16.186
17
C
P
0.576 -22.732 -16.578
O3'
5.653 -23.384 -17.133
18
A
P
6.156 -21.914 -17.542
O3'
10.396 -21.165 -20.557
19
G
P
10.548 -19.578 -20.796
O3'
12.411 -17.636 -25.147
20
C
P
12.181 -16.049 -25.014
O3'
11.091 -13.237 -29.312
21
A
P
10.756 -11.718 -28.911
O3'
7.562 -8.811 -31.854
22
A
P
7.504 -7.362 -31.161
O3'
3.455 -4.193 -30.965
23
G
P
4.043 -3.041 -30.019
O3'
0.982 -0.638 -26.658
1
23
+
+
c
2
22
-
-
c
3
21
-
-
c
4
20
+
+
c
5
19
+
+
c
6
18
-
-
c
7
17
+
+
c
1
23
7
SG1
8
9
SG2
16
16
1
31.429 0.000
2
31.429 26.190
3
31.429 52.381
4
31.429 78.571
5
31.429 104.762
6
31.429 130.952
7
31.429 157.143
8
15.714 157.143
9
0.000 157.143
10
94.286 340.476
11
94.286 314.286
12
94.286 288.095
13
94.286 261.905
14
94.286 235.714
15
94.286 209.524
16
110.000 157.143
17
94.286 157.143
18
94.286 130.952
19
94.286 104.762
20
94.286 78.571
21
94.286 52.381
22
94.286 26.190
23
94.286 0.000
1
23
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23
CUuGCUG AAGUGCACAC AGCAAG
3
5BU
Crystallography ?
? Angstroms
1
C
O3'
-21.688 -51.844 -34.581
2
U
P
-20.677 -50.961 -33.692
O3'
-22.089 -50.358 -28.533
3
u
P
-20.897 -49.764 -27.636
O3'
-20.183 -50.726 -22.764
4
G
P
-18.834 -49.943 -22.370
O3'
-15.600 -51.667 -18.681
5
C
P
-14.351 -50.663 -18.536
O3'
-9.787 -51.735 -17.187
6
U
P
-8.911 -50.428 -17.510
O3'
-4.041 -50.957 -18.850
7
G
P
-3.229 -49.688 -19.389
O3'
0.591 -48.947 -23.648
8
A
P
1.152 -47.516 -24.124
O3'
0.079 -42.926 -22.611
9
A
P
0.543 -42.128 -23.932
O3'
3.905 -37.330 -22.903
10
G
P
3.227 -35.875 -22.772
O3'
1.100 -36.546 -18.050
11
U
P
-0.240 -37.337 -18.428
O3'
-4.660 -36.447 -16.155
12
G
P
-5.736 -37.495 -16.735
O3'
-10.807 -36.966 -16.832
13
C
P
-11.261 -38.330 -17.550
O3'
-15.580 -38.339 -20.381
14
A
P
-15.544 -39.833 -20.953
O3'
-17.350 -40.641 -25.800
15
C
P
-16.947 -42.099 -26.352
O3'
-16.110 -43.067 -31.413
16
A
P
-15.771 -44.640 -31.529
O3'
-12.492 -46.446 -35.169
17
C
P
-12.540 -48.044 -34.991
O3'
-8.242 -50.807 -35.934
18
A
P
-8.647 -52.326 -35.625
O3'
-5.658 -55.862 -33.831
19
G
P
-6.544 -57.150 -33.466
O3'
-5.379 -60.456 -29.949
20
C
P
-6.540 -61.541 -29.759
O3'
-8.757 -63.503 -24.914
21
A
P
-9.708 -64.564 -25.643
O3'
-14.495 -64.548 -22.552
22
A
P
-15.582 -65.388 -23.377
O3'
-20.414 -63.629 -22.379
23
G
P
-21.503 -64.392 -23.289
O3'
-26.082 -62.433 -24.265
1
23
+
+
c
2
22
-
-
c
3
21
-
-
c
4
20
+
+
c
5
19
+
+
c
6
18
-
-
c
7
17
+
+
c
1
23
7
SG1
8
9
SG2
16
16
1
94.286 550.000
2
94.286 523.810
3
94.286 497.619
4
94.286 471.429
5
94.286 445.238
6
94.286 419.048
7
94.286 392.857
8
0.000 209.524
9
15.714 209.524
10
31.429 209.524
11
31.429 235.714
12
31.429 261.905
13
31.429 288.095
14
31.429 314.286
15
31.429 340.476
16
15.714 340.476
17
31.429 392.857
18
31.429 419.048
19
31.429 445.238
20
31.429 471.429
21
31.429 497.619
22
31.429 523.810
23
31.429 550.000
10
15
+
+
c
11
14
-
-
c
12
13
+
+
c
13
12
+
+
c
14
11
-
-
c
15
10
+
+
c
10
15
6