0.023987
0.000000
0.018472
0.000000
0.028885
0.000000
0.000000
0.000000
0.039283
0.00000
0.00000
0.00000
Leonard, G.A.
McAuley-Hecht, K.E.
Ebel, S.
Lough, D.M.
Brown, T.
Hunter, W.N.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
127.60
90.00
41.690
34.620
32.130
C10 H14 N5 O7 P
347.221
y
ADENOSINE-5'-MONOPHOSPHATE
RNA linking
C9 H14 N3 O8 P
323.197
y
CYTIDINE-5'-MONOPHOSPHATE
RNA linking
C10 H14 N5 O8 P
363.221
y
GUANOSINE-5'-MONOPHOSPHATE
RNA linking
H2 O
18.015
WATER
non-polymer
C9 H13 N2 O9 P
324.181
y
URIDINE-5'-MONOPHOSPHATE
RNA linking
N
1
N
O
N
2
N
P
N
3
N
O
N
4
N
O
N
5
N
O
N
6
N
C
N
7
R
C
N
8
N
O
N
9
S
C
N
10
N
O
N
11
R
C
N
12
N
O
N
13
R
C
Y
14
N
N
Y
15
N
C
Y
16
N
N
Y
17
N
C
Y
18
N
C
N
19
N
N
Y
20
N
N
Y
21
N
C
Y
22
N
N
Y
23
N
C
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
O
N
39
N
P
N
40
N
O
N
41
N
O
N
42
N
O
N
43
N
C
N
44
R
C
N
45
N
O
N
46
S
C
N
47
N
O
N
48
R
C
N
49
N
O
N
50
R
C
N
51
N
N
N
52
N
C
N
53
N
O
N
54
N
N
N
55
N
C
N
56
N
N
N
57
N
C
N
58
N
C
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
O
N
74
N
P
N
75
N
O
N
76
N
O
N
77
N
O
N
78
N
C
N
79
R
C
N
80
N
O
N
81
S
C
N
82
N
O
N
83
R
C
N
84
N
O
N
85
R
C
Y
86
N
N
Y
87
N
C
Y
88
N
N
Y
89
N
C
N
90
N
C
N
91
N
O
N
92
N
N
N
93
N
C
N
94
N
N
N
95
N
N
Y
96
N
C
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
O
N
112
N
H
N
113
N
H
N
114
N
O
N
115
N
P
N
116
N
O
N
117
N
O
N
118
N
O
N
119
N
C
N
120
R
C
N
121
N
O
N
122
S
C
N
123
N
O
N
124
R
C
N
125
N
O
N
126
R
C
N
127
N
N
N
128
N
C
N
129
N
O
N
130
N
N
N
131
N
C
N
132
N
O
N
133
N
C
N
134
N
C
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
1
N
sing
N
2
N
sing
N
3
N
doub
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
Y
25
N
sing
Y
26
N
sing
Y
27
N
doub
N
28
N
sing
Y
29
N
sing
Y
30
N
sing
Y
31
N
doub
N
32
N
sing
Y
33
N
doub
N
34
N
sing
N
35
N
sing
Y
36
N
sing
Y
37
N
doub
N
38
N
sing
Y
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
doub
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
doub
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
doub
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
Y
100
N
sing
Y
101
N
sing
Y
102
N
doub
N
103
N
sing
Y
104
N
sing
N
105
N
sing
Y
106
N
doub
N
107
N
doub
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
doub
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
doub
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
doub
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
doub
N
149
N
sing
N
150
N
doub
N
151
N
sing
N
152
N
sing
UK
Structure
STRUE6
2005
0969-2126
2
483
494
10.1016/S0969-2126(00)00049-6
7922026
Crystal and molecular structure of r(CGCGAAUUAGCG): an RNA duplex containing two G(anti).A(anti) base pairs.
1994
10.2210/pdb157d/pdb
pdb_0000157d
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
297.00
1
IMAGE PLATE
RIGAKU RAXIS IIC
x-ray
1
1.0
ROTATING ANODE
RIGAKU RU200
3851.360
RNA (5'-R(*CP*GP*CP*GP*AP*AP*UP*UP*AP*GP*CP*G)-3')
2
syn
polymer
18.015
water
97
nat
water
no
no
CGCGAAUUAGCG
CGCGAAUUAGCG
A,B
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
2.38
48.43
VAPOR DIFFUSION, SITTING DROP
6.50
pH 6.50, VAPOR DIFFUSION, SITTING DROP
ROOM TEMPERATURE
WATER
1
MPD
1
NA CACODYLATE
1
MGCL2
1
SPERMINE_HCL
1
MPD
2
3.171
1
19
A
1
B
24
3.126
A_C1:G24_B
1
-12.376
0.345
0.174
-0.278
-4.914
1
19
A
2
B
23
2.464
A_G2:C23_B
2
-20.237
-0.108
0.032
-0.195
-8.073
1
19
A
3
B
22
-1.981
A_C3:G22_B
3
-8.739
0.138
0.406
-0.273
3.918
8
A
4
B
21
-7.508
A_G4:A21_B
4
-9.239
-0.354
-0.238
1.319
7.975
1
20
A
5
B
20
-8.341
A_A5:U20_B
5
-12.657
0.390
0.386
-0.305
2.349
1
20
A
6
B
19
0.881
A_A6:U19_B
6
-27.133
0.281
-0.043
-0.535
-4.573
1
20
A
7
B
18
-1.764
A_U7:A18_B
7
-23.609
-0.366
-0.011
-0.481
-5.378
1
20
A
8
B
17
-11.809
A_U8:A17_B
8
-17.906
-0.048
0.232
-0.216
-2.651
1
8
A
9
B
16
-22.919
A_A9:G16_B
9
-10.641
-0.562
-0.345
1.443
5.380
1
19
A
10
B
15
-1.583
A_G10:C15_B
10
-6.630
-0.237
0.243
-0.144
5.699
1
19
A
11
B
14
4.245
A_C11:G14_B
11
-22.843
0.350
-0.022
-0.235
-3.351
1
19
A
12
B
13
-4.307
A_G12:C13_B
12
-13.428
0.056
0.189
-0.255
2.351
32.813
A
A
1
2
23.128
B
B
24
23
3.290
12.734
-0.523
-1.885
AA_C1G2:C23G24_BB
1
-1.619
2.940
30.262
-5.303
0.675
3.221
34.083
A
A
2
3
8.650
B
B
23
22
3.420
5.039
-0.432
-1.329
AA_G2C3:G22C23_BB
2
-4.345
7.459
33.446
-3.088
0.029
2.081
25.628
A
A
3
4
24.869
B
B
22
21
2.960
10.678
-0.551
-1.292
AA_C3G4:A21G22_BB
3
3.025
-7.046
23.137
-5.365
1.937
2.473
34.851
A
A
4
5
17.560
B
B
21
20
3.113
10.308
-0.023
-1.593
AA_G4A5:U20A21_BB
4
-6.495
11.065
32.714
-4.042
-0.832
3.259
37.550
A
A
5
6
14.115
B
B
20
19
3.533
8.975
0.323
-0.816
AA_A5A6:U19U20_BB
5
5.323
-8.372
36.121
-2.510
0.234
2.693
28.999
A
A
6
7
21.639
B
B
19
18
3.368
10.592
-0.103
-1.264
AA_A6U7:A18U19_BB
6
-1.175
2.400
27.009
-4.769
-0.043
2.917
41.900
A
A
7
8
14.549
B
B
18
17
3.335
10.299
-0.427
-1.462
AA_U7U8:A17A18_BB
7
-2.702
3.817
40.583
-3.089
0.323
2.184
26.875
A
A
8
9
23.782
B
B
17
16
3.245
10.671
-0.272
-1.711
AA_U8A9:G16A17_BB
8
5.669
-12.636
24.051
-6.090
1.865
2.412
29.592
A
A
9
10
19.041
B
B
16
15
3.173
9.537
1.449
-1.318
AA_A9G10:C15G16_BB
9
-3.365
6.717
27.846
-4.360
-3.464
3.002
38.004
A
A
10
11
12.470
B
B
15
14
3.276
8.040
0.697
-1.310
AA_G10C11:G14C15_BB
10
5.068
-7.860
36.839
-3.011
-0.441
2.556
38.931
A
A
11
12
21.681
B
B
14
13
3.319
14.143
0.035
-1.572
AA_C11G12:C13G14_BB
11
0.223
-0.342
36.363
-3.957
-0.027
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
1
0
1994-05-31
1
1
2008-05-22
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
BNL
Y
NDB
1994-02-01
REL
REL
HOH
water
HOH
25
2
HOH
HOH
25
A
HOH
26
2
HOH
HOH
26
A
HOH
31
2
HOH
HOH
31
A
HOH
33
2
HOH
HOH
33
A
HOH
42
2
HOH
HOH
42
A
HOH
43
2
HOH
HOH
43
A
HOH
44
2
HOH
HOH
44
A
HOH
45
2
HOH
HOH
45
A
HOH
46
2
HOH
HOH
46
A
HOH
47
2
HOH
HOH
47
A
HOH
48
2
HOH
HOH
48
A
HOH
49
2
HOH
HOH
49
A
HOH
50
2
HOH
HOH
50
A
HOH
51
2
HOH
HOH
51
A
HOH
52
2
HOH
HOH
52
A
HOH
53
2
HOH
HOH
53
A
HOH
56
2
HOH
HOH
56
A
HOH
61
2
HOH
HOH
61
A
HOH
62
2
HOH
HOH
62
A
HOH
70
2
HOH
HOH
70
A
HOH
75
2
HOH
HOH
75
A
HOH
76
2
HOH
HOH
76
A
HOH
77
2
HOH
HOH
77
A
HOH
78
2
HOH
HOH
78
A
HOH
80
2
HOH
HOH
80
A
HOH
81
2
HOH
HOH
81
A
HOH
82
2
HOH
HOH
82
A
HOH
83
2
HOH
HOH
83
A
HOH
84
2
HOH
HOH
84
A
HOH
85
2
HOH
HOH
85
A
HOH
86
2
HOH
HOH
86
A
HOH
87
2
HOH
HOH
87
A
HOH
88
2
HOH
HOH
88
A
HOH
89
2
HOH
HOH
89
A
HOH
91
2
HOH
HOH
91
A
HOH
94
2
HOH
HOH
94
A
HOH
96
2
HOH
HOH
96
A
HOH
98
2
HOH
HOH
98
A
HOH
99
2
HOH
HOH
99
A
HOH
100
2
HOH
HOH
100
A
HOH
103
2
HOH
HOH
103
A
HOH
104
2
HOH
HOH
104
A
HOH
105
2
HOH
HOH
105
A
HOH
106
2
HOH
HOH
106
A
HOH
107
2
HOH
HOH
107
A
HOH
111
2
HOH
HOH
111
A
HOH
112
2
HOH
HOH
112
A
HOH
113
2
HOH
HOH
113
A
HOH
114
2
HOH
HOH
114
A
HOH
116
2
HOH
HOH
116
A
HOH
117
2
HOH
HOH
117
A
HOH
120
2
HOH
HOH
120
A
HOH
121
2
HOH
HOH
121
A
HOH
27
2
HOH
HOH
27
B
HOH
28
2
HOH
HOH
28
B
HOH
29
2
HOH
HOH
29
B
HOH
30
2
HOH
HOH
30
B
HOH
32
2
HOH
HOH
32
B
HOH
34
2
HOH
HOH
34
B
HOH
35
2
HOH
HOH
35
B
HOH
36
2
HOH
HOH
36
B
HOH
37
2
HOH
HOH
37
B
HOH
38
2
HOH
HOH
38
B
HOH
39
2
HOH
HOH
39
B
HOH
40
2
HOH
HOH
40
B
HOH
41
2
HOH
HOH
41
B
HOH
54
2
HOH
HOH
54
B
HOH
55
2
HOH
HOH
55
B
HOH
57
2
HOH
HOH
57
B
HOH
58
2
HOH
HOH
58
B
HOH
59
2
HOH
HOH
59
B
HOH
60
2
HOH
HOH
60
B
HOH
63
2
HOH
HOH
63
B
HOH
64
2
HOH
HOH
64
B
HOH
65
2
HOH
HOH
65
B
HOH
66
2
HOH
HOH
66
B
HOH
67
2
HOH
HOH
67
B
HOH
68
2
HOH
HOH
68
B
HOH
69
2
HOH
HOH
69
B
HOH
71
2
HOH
HOH
71
B
HOH
72
2
HOH
HOH
72
B
HOH
73
2
HOH
HOH
73
B
HOH
74
2
HOH
HOH
74
B
HOH
79
2
HOH
HOH
79
B
HOH
90
2
HOH
HOH
90
B
HOH
92
2
HOH
HOH
92
B
HOH
93
2
HOH
HOH
93
B
HOH
95
2
HOH
HOH
95
B
HOH
97
2
HOH
HOH
97
B
HOH
101
2
HOH
HOH
101
B
HOH
102
2
HOH
HOH
102
B
HOH
108
2
HOH
HOH
108
B
HOH
109
2
HOH
HOH
109
B
HOH
110
2
HOH
HOH
110
B
HOH
115
2
HOH
HOH
115
B
HOH
118
2
HOH
HOH
118
B
HOH
119
2
HOH
HOH
119
B
C
1
n
1
C
1
A
G
2
n
2
G
2
A
C
3
n
3
C
3
A
G
4
n
4
G
4
A
A
5
n
5
A
5
A
A
6
n
6
A
6
A
U
7
n
7
U
7
A
U
8
n
8
U
8
A
A
9
n
9
A
9
A
G
10
n
10
G
10
A
C
11
n
11
C
11
A
G
12
n
12
G
12
A
C
13
n
1
C
13
B
G
14
n
2
G
14
B
C
15
n
3
C
15
B
G
16
n
4
G
16
B
A
17
n
5
A
17
B
A
18
n
6
A
18
B
U
19
n
7
U
19
B
U
20
n
8
U
20
B
A
21
n
9
A
21
B
G
22
n
10
G
22
B
C
23
n
11
C
23
B
G
24
n
12
G
24
B
author_defined_assembly
2
dimeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
3.73
0.50
119.90
123.63
A
A
A
C2
N3
C4
C
C
C
1
1
1
N
1
-3.15
0.40
121.90
118.75
A
A
A
N3
C4
C5
C
C
C
1
1
1
N
1
3.99
0.60
118.90
122.89
A
A
A
N1
C2
O2
C
C
C
1
1
1
N
1
-6.52
0.80
109.40
102.88
A
A
A
O5'
C5'
C4'
G
G
G
2
2
2
N
1
3.07
0.50
111.50
114.57
A
A
A
C5
C6
N1
G
G
G
2
2
2
N
1
-9.01
1.50
119.60
110.59
A
A
A
OP1
P
OP2
C
C
C
3
3
3
N
1
3.29
0.50
119.90
123.19
A
A
A
C2
N3
C4
C
C
C
3
3
3
N
1
-2.86
0.40
121.90
119.04
A
A
A
N3
C4
C5
C
C
C
3
3
3
N
1
-3.61
0.60
125.10
121.49
A
A
A
C6
N1
C2
G
G
G
4
4
4
N
1
3.33
0.50
111.50
114.83
A
A
A
C5
C6
N1
G
G
G
4
4
4
N
1
-6.02
0.80
109.40
103.38
A
A
A
O5'
C5'
C4'
A
A
A
5
5
5
N
1
3.97
0.60
118.60
122.57
A
A
A
C6
N1
C2
A
A
A
5
5
5
N
1
-3.51
0.50
117.70
114.19
A
A
A
C5
C6
N1
A
A
A
5
5
5
N
1
-3.27
0.50
117.70
114.43
A
A
A
C5
C6
N1
A
A
A
6
6
6
N
1
8.04
1.20
110.70
118.74
A
A
A
O5'
P
OP1
U
U
U
7
7
7
N
1
-7.45
0.80
109.40
101.95
A
A
A
O5'
C5'
C4'
U
U
U
7
7
7
N
1
-4.74
0.60
127.00
122.26
A
A
A
C2
N3
C4
U
U
U
7
7
7
N
1
4.99
0.60
114.60
119.59
A
A
A
N3
C4
C5
U
U
U
7
7
7
N
1
7.68
0.90
109.80
117.48
A
A
A
C5'
C4'
O4'
U
U
U
8
8
8
N
1
4.84
0.60
114.60
119.44
A
A
A
N3
C4
C5
U
U
U
8
8
8
N
1
-6.64
1.10
112.00
105.36
A
A
A
N9
C1'
C2'
A
A
A
9
9
9
N
1
6.38
0.70
108.50
114.88
A
A
A
O4'
C1'
N9
A
A
A
9
9
9
N
1
4.64
0.60
118.60
123.24
A
A
A
C6
N1
C2
A
A
A
9
9
9
N
1
-4.92
0.50
129.30
124.38
A
A
A
N1
C2
N3
A
A
A
9
9
9
N
1
-5.88
0.80
109.40
103.52
A
A
A
O5'
C5'
C4'
G
G
G
10
10
10
N
1
-5.34
0.60
125.10
119.76
A
A
A
C6
N1
C2
G
G
G
10
10
10
N
1
4.11
0.50
111.50
115.61
A
A
A
C5
C6
N1
G
G
G
10
10
10
N
1
-4.66
0.70
119.90
115.24
A
A
A
N3
C2
N2
G
G
G
10
10
10
N
1
-3.66
0.60
128.60
124.94
A
A
A
C5
C6
O6
G
G
G
10
10
10
N
1
-2.42
0.40
121.90
119.48
A
A
A
N3
C4
C5
C
C
C
11
11
11
N
1
-5.00
0.80
109.40
104.40
A
A
A
O5'
C5'
C4'
G
G
G
12
12
12
N
1
3.63
0.50
111.50
115.13
A
A
A
C5
C6
N1
G
G
G
12
12
12
N
1
-3.84
0.60
119.90
116.06
A
A
A
N1
C6
O6
G
G
G
12
12
12
N
1
-6.39
0.80
109.40
103.01
B
B
B
O5'
C5'
C4'
C
C
C
13
13
13
N
1
6.89
0.70
108.50
115.39
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
1
3.68
0.50
119.90
123.58
B
B
B
C2
N3
C4
C
C
C
13
13
13
N
1
-3.16
0.40
121.90
118.74
B
B
B
N3
C4
C5
C
C
C
13
13
13
N
1
3.02
0.50
111.50
114.52
B
B
B
C5
C6
N1
G
G
G
14
14
14
N
1
4.04
0.50
119.90
123.94
B
B
B
C2
N3
C4
C
C
C
15
15
15
N
1
-3.51
0.40
121.90
118.39
B
B
B
N3
C4
C5
C
C
C
15
15
15
N
1
4.29
0.70
118.00
122.29
B
B
B
N3
C4
N4
C
C
C
15
15
15
N
1
-7.22
0.80
109.40
102.18
B
B
B
O5'
C5'
C4'
G
G
G
16
16
16
N
1
-6.06
1.00
102.60
96.54
B
B
B
C4'
C3'
C2'
G
G
G
16
16
16
N
1
-3.78
0.60
119.90
116.12
B
B
B
N1
C6
O6
G
G
G
16
16
16
N
1
-4.90
0.80
109.40
104.50
B
B
B
O5'
C5'
C4'
A
A
A
17
17
17
N
1
5.46
0.60
118.60
124.06
B
B
B
C6
N1
C2
A
A
A
17
17
17
N
1
-3.31
0.50
129.30
125.99
B
B
B
N1
C2
N3
A
A
A
17
17
17
N
1
-3.92
0.50
117.70
113.78
B
B
B
C5
C6
N1
A
A
A
17
17
17
N
1
7.74
1.20
110.70
118.44
B
B
B
O5'
P
OP1
U
U
U
19
19
19
N
1
-4.67
0.60
127.00
122.33
B
B
B
C2
N3
C4
U
U
U
19
19
19
N
1
4.71
0.60
114.60
119.31
B
B
B
N3
C4
C5
U
U
U
19
19
19
N
1
19.61
1.90
111.70
131.31
B
B
B
O5'
C5'
C4'
U
U
U
20
20
20
N
1
-11.24
1.20
109.10
97.86
B
B
B
C5'
C4'
O4'
U
U
U
20
20
20
N
1
-4.07
0.60
127.00
122.93
B
B
B
C2
N3
C4
U
U
U
20
20
20
N
1
4.90
0.60
114.60
119.50
B
B
B
N3
C4
C5
U
U
U
20
20
20
N
1
-3.04
0.50
129.30
126.26
B
B
B
N1
C2
N3
A
A
A
21
21
21
N
1
10.47
1.20
119.70
130.17
B
B
B
C3'
O3'
P
A
A
G
21
21
22
Y
1
-4.24
0.60
125.10
120.86
B
B
B
C6
N1
C2
G
G
G
22
22
22
N
1
3.45
0.50
111.50
114.95
B
B
B
C5
C6
N1
G
G
G
22
22
22
N
1
3.28
0.50
119.90
123.18
B
B
B
C2
N3
C4
C
C
C
23
23
23
N
1
-2.56
0.40
121.90
119.34
B
B
B
N3
C4
C5
C
C
C
23
23
23
N
1
-6.10
0.80
109.40
103.30
B
B
B
O5'
C5'
C4'
G
G
G
24
24
24
N
1
A
A
C5'
C4'
U
U
8
8
-0.044
0.007
1.508
1.464
N
1
B
B
C5'
C4'
A
A
18
18
-0.046
0.007
1.508
1.462
N
0.1900000
1.800
7.000
3147
1
3.000
TR
isotropic
TR
isotropic
1.800
7.000
97
607
0
510
0
fix
fix
1.800
157D
3863
1.000
1
refinement
NUCLSQ
CRYSTAL AND MOLECULAR STRUCTURE OF R(CGCGAAUUAGCG): AN RNA DUPLEX CONTAINING TWO G(ANTI).A(ANTI) BASE-PAIRS
1
N
N
1
N
N
2
N
N
2
N
N
hydrog
WATSON-CRICK
A
C
1
A
N3
C
1
1_555
B
G
24
B
N1
G
12
1_555
hydrog
WATSON-CRICK
A
C
1
A
N4
C
1
1_555
B
G
24
B
O6
G
12
1_555
hydrog
WATSON-CRICK
A
C
1
A
O2
C
1
1_555
B
G
24
B
N2
G
12
1_555
hydrog
WATSON-CRICK
A
G
2
A
N1
G
2
1_555
B
C
23
B
N3
C
11
1_555
hydrog
WATSON-CRICK
A
G
2
A
N2
G
2
1_555
B
C
23
B
O2
C
11
1_555
hydrog
WATSON-CRICK
A
G
2
A
O6
G
2
1_555
B
C
23
B
N4
C
11
1_555
hydrog
WATSON-CRICK
A
C
3
A
N3
C
3
1_555
B
G
22
B
N1
G
10
1_555
hydrog
WATSON-CRICK
A
C
3
A
N4
C
3
1_555
B
G
22
B
O6
G
10
1_555
hydrog
WATSON-CRICK
A
C
3
A
O2
C
3
1_555
B
G
22
B
N2
G
10
1_555
hydrog
TYPE_8_PAIR
A
G
4
A
N1
G
4
1_555
B
A
21
B
N1
A
9
1_555
hydrog
TYPE_8_PAIR
A
G
4
A
O6
G
4
1_555
B
A
21
B
N6
A
9
1_555
hydrog
WATSON-CRICK
A
A
5
A
N1
A
5
1_555
B
U
20
B
N3
U
8
1_555
hydrog
WATSON-CRICK
A
A
5
A
N6
A
5
1_555
B
U
20
B
O4
U
8
1_555
hydrog
WATSON-CRICK
A
A
6
A
N1
A
6
1_555
B
U
19
B
N3
U
7
1_555
hydrog
WATSON-CRICK
A
A
6
A
N6
A
6
1_555
B
U
19
B
O4
U
7
1_555
hydrog
WATSON-CRICK
A
U
7
A
N3
U
7
1_555
B
A
18
B
N1
A
6
1_555
hydrog
WATSON-CRICK
A
U
7
A
O4
U
7
1_555
B
A
18
B
N6
A
6
1_555
hydrog
WATSON-CRICK
A
U
8
A
N3
U
8
1_555
B
A
17
B
N1
A
5
1_555
hydrog
WATSON-CRICK
A
U
8
A
O4
U
8
1_555
B
A
17
B
N6
A
5
1_555
hydrog
TYPE_8_PAIR
A
A
9
A
N1
A
9
1_555
B
G
16
B
N1
G
4
1_555
hydrog
TYPE_8_PAIR
A
A
9
A
N6
A
9
1_555
B
G
16
B
O6
G
4
1_555
hydrog
WATSON-CRICK
A
G
10
A
N1
G
10
1_555
B
C
15
B
N3
C
3
1_555
hydrog
WATSON-CRICK
A
G
10
A
N2
G
10
1_555
B
C
15
B
O2
C
3
1_555
hydrog
WATSON-CRICK
A
G
10
A
O6
G
10
1_555
B
C
15
B
N4
C
3
1_555
hydrog
WATSON-CRICK
A
C
11
A
N3
C
11
1_555
B
G
14
B
N1
G
2
1_555
hydrog
WATSON-CRICK
A
C
11
A
N4
C
11
1_555
B
G
14
B
O6
G
2
1_555
hydrog
WATSON-CRICK
A
C
11
A
O2
C
11
1_555
B
G
14
B
N2
G
2
1_555
hydrog
WATSON-CRICK
A
G
12
A
N1
G
12
1_555
B
C
13
B
N3
C
1
1_555
hydrog
WATSON-CRICK
A
G
12
A
N2
G
12
1_555
B
C
13
B
O2
C
1
1_555
hydrog
WATSON-CRICK
A
G
12
A
O6
G
12
1_555
B
C
13
B
N4
C
1
1_555
RNA
A-RNA, DOUBLE HELIX, MISMATCHED, RNA
157D
PDB
1
157D
1
12
157D
1
12
157D
A
1
1
12
13
24
157D
13
24
157D
B
1
1
12
4
P 1 21 1