1
37
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
GGGCCCGGUA AGUCUCUUCG GAGAUACUGC CGGGCCC
LOOP1
18
19
Crystallography ?
? Angstroms
1
G
P
27.164 44.881 10.652
O3'
31.073 43.719 7.359
2
G
P
31.151 45.083 6.521
O3'
32.732 44.816 1.487
3
G
P
32.635 46.350 1.025
O3'
31.676 46.991 -4.092
4
C
P
31.547 48.540 -4.506
O3'
29.095 50.383 -8.408
5
C
P
29.240 51.978 -8.336
O3'
25.731 55.142 -10.214
6
C
P
25.892 56.718 -9.957
O3'
22.666 60.459 -9.662
7
G
P
23.675 61.690 -9.456
O3'
22.229 65.752 -6.820
8
G
P
23.564 66.621 -6.626
O3'
24.278 69.568 -2.358
9
U
P
25.711 70.267 -2.588
O3'
28.580 71.323 1.798
10
A
P
29.424 72.543 1.180
O3'
34.631 71.095 3.281
11
A
P
35.520 72.266 3.909
O3'
38.888 69.902 5.955
12
G
P
39.968 70.042 4.759
O3'
43.691 66.459 4.315
13
U
P
44.600 67.369 3.355
O3'
46.061 66.231 -1.287
14
C
P
46.864 67.527 -1.795
O3'
47.263 69.138 -6.565
15
U
P
48.088 70.519 -6.507
O3'
47.447 74.556 -9.625
16
C
P
48.611 75.493 -9.036
O3'
47.556 80.738 -9.038
17
U
P
48.689 81.584 -8.267
O3'
47.399 85.610 -5.057
18
U
P
48.761 86.311 -4.570
O3'
47.620 88.680 0.568
19
C
P
48.399 87.897 1.724
O3'
48.604 84.630 5.330
20
G
P
47.789 83.593 6.294
O3'
42.123 82.464 6.943
21
G
P
41.095 81.255 6.651
O3'
37.110 81.810 2.405
22
A
P
36.147 80.752 1.671
O3'
34.778 81.066 -3.310
23
G
P
33.865 79.788 -3.635
O3'
33.974 77.077 -8.022
24
A
P
32.983 75.821 -7.851
O3'
34.375 71.295 -10.343
25
U
P
32.947 70.555 -10.228
O3'
33.677 65.155 -9.249
26
A
P
32.538 64.047 -9.405
O3'
34.582 59.278 -8.677
27
C
P
34.064 58.698 -7.266
O3'
36.808 56.063 -3.944
28
U
P
35.696 55.844 -2.817
O3'
36.340 55.619 2.106
29
G
P
34.804 55.465 2.566
O3'
33.173 57.755 6.806
30
C
P
31.611 57.402 6.906
O3'
28.100 60.482 8.730
31
C
P
26.750 59.638 8.508
O3'
22.258 61.512 7.992
32
G
P
21.390 60.170 7.865
O3'
17.308 59.855 5.153
33
G
P
16.701 58.380 4.950
O3'
14.847 55.616 0.336
34
G
P
14.636 54.038 0.550
O3'
14.395 51.065 -3.652
35
C
P
14.188 49.643 -2.937
O3'
16.633 45.446 -5.038
36
C
P
16.854 43.980 -4.396
O3'
20.102 40.464 -5.987
37
C
P
19.748 39.147 -5.142
O3'
23.072 35.769 -3.306
20
syn
1
37
+
+
c
2
36
+
+
c
3
35
+
+
c
4
34
+
+
c
5
33
+
+
c
6
32
+
+
c
7
31
+
+
c
8
30
+
+
c
9
29
W
W
c
10
11
S
H
c
11
28
-
-
c
12
27
+
+
c
13
24
-
-
c
14
23
+
+
c
15
22
-
-
c
16
21
+
+
c
17
20
S
W
t
25
26
S
H
c
13
26
!
!
!
25
27
!
!
!
1
37
9
11
28
2
13
24
5
SG1
10
10
SG2
18
19
SG3
25
26
1
68.115 0.000
2
68.115 28.381
3
68.115 56.762
4
68.115 85.143
5
68.115 113.524
6
68.115 141.905
7
68.115 170.286
8
68.115 198.668
9
68.115 227.049
10
68.115 255.430
11
68.115 283.811
12
68.115 312.192
13
68.115 397.335
14
68.115 425.716
15
68.115 454.097
16
68.115 482.478
17
68.115 510.859
18
54.739 550.000
19
13.376 550.000
20
0.000 510.859
21
0.000 482.478
22
0.000 454.097
23
0.000 425.716
24
0.000 397.335
25
0.000 368.954
26
0.000 340.573
27
0.000 312.192
28
0.000 283.811
29
0.000 227.049
30
0.000 198.668
31
0.000 170.286
32
0.000 141.905
33
0.000 113.524
34
0.000 85.143
35
0.000 56.762
36
0.000 28.381
37
0.000 0.000