1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Chen, G.
Kennedy, S.D.
Krugh, T.R.
Turner, D.H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
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
C10 H13 N4 O7 P
332.207
n
PURINE RIBOSIDE-5'-MONOPHOSPHATE
RNA linking
C9 H13 N2 O9 P
324.181
y
URIDINE-5'-MONOPHOSPHATE
RNA linking
US
Biochemistry
BICHAW
0033
0006-2960
45
6889
6903
10.1021/bi0524464
16734425
An Alternating Sheared AA Pair and Elements of Stability for a Single Sheared Purine-Purine Pair Flanked by Sheared GA Pairs in RNA
2006
10.2210/pdb2dd1/pdb
pdb_00002dd1
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
3272.996
5'-R(*GP*GP*UP*GP*GP*AP*GP*GP*CP*U)-3'
1
syn
polymer
3167.991
5'-R(*GP*CP*CP*GP*AP*AP*AP*CP*CP*(P5P))-3'
1
syn
polymer
no
no
GGUGGAGGCU
GGUGGAGGCU
A
polyribonucleotide
no
yes
GCCGAAACC(P5P)
GCCGAAACCA
B
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
-12.600
1
19
A
1
B
19
-0.868
A_G1:C19_B
1
-14.068
-0.801
-0.205
-0.230
-15.709
1
19
A
2
B
18
1.002
A_G2:C18_B
2
-16.444
-0.375
-0.350
-0.050
-17.940
1
20
A
3
B
17
0.043
A_U3:A17_B
3
-21.714
0.348
-0.292
-0.083
-8.407
9
11
A
4
B
16
0.358
A_G4:A16_B
4
-6.661
6.756
-0.618
-3.907
15.370
A
5
B
15
-36.389
A_G5:A15_B
5
-6.503
7.332
0.046
-6.102
-12.730
9
11
A
6
B
14
-4.787
A_A6:G14_B
6
1.795
-6.788
-0.272
-4.204
3.781
1
19
A
7
B
13
-0.562
A_G7:C13_B
7
-3.645
-0.468
0.004
-0.087
15.349
1
19
A
8
B
12
0.498
A_G8:C12_B
8
-7.496
-0.710
0.133
-0.132
20.853
1
19
A
9
B
11
1.015
A_C9:G11_B
9
-17.727
0.772
-0.439
-0.164
2.936
34.405
A
A
1
2
14.219
B
B
19
18
3.388
8.318
0.395
-1.613
AA_G1G2:C18C19_BB
1
3.457
-5.909
33.239
-4.005
-0.137
3.113
36.246
A
A
2
3
9.408
B
B
18
17
3.366
5.821
0.259
-1.427
AA_G2U3:A17C18_BB
2
3.517
-5.685
35.624
-3.110
0.077
3.381
63.075
A
A
3
4
1.975
B
B
17
16
3.339
2.061
0.718
-0.662
AA_U3G4:A16A17_BB
3
8.668
-8.308
62.507
-0.728
-0.288
2.365
43.660
A
A
4
5
6.791
B
B
16
15
2.935
5.010
-2.554
-0.209
AA_G4G5:A15A16_BB
4
8.561
-11.603
42.572
-0.675
4.108
4.186
-14.829
A
A
5
6
-8.876
B
B
15
14
3.926
2.270
1.413
-0.801
AA_G5A6:G14A15_BB
5
-2.575
-10.069
-14.428
0.678
2.724
2.932
52.971
A
A
6
7
5.390
B
B
14
13
2.993
4.794
-0.482
-0.995
AA_A6G7:C13G14_BB
6
-5.716
6.427
52.481
-1.396
0.206
2.734
28.905
A
A
7
8
7.703
B
B
13
12
3.001
3.827
-0.014
-1.752
AA_G7G8:C12C13_BB
7
-3.009
6.057
28.501
-4.260
-0.561
3.014
37.450
A
A
8
9
5.246
B
B
12
11
3.170
3.364
-0.116
-1.655
AA_G8C9:G11C12_BB
8
0.194
-0.302
37.303
-2.996
0.204
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2006-06-13
1
1
2008-04-30
1
2
2011-07-13
1
3
2022-03-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_struct_conn.pdbx_leaving_atom_flag
5'gguGGAggcu/3'pccaAAGccg
a Single Sheared Purine-Purine Pair Flanked by Sheared GA Pairs, 5'gguGAAggcu/3'pccgAAGccg
3 sheared GA pairs closed by ug wobble and cg WC pairs, 5'gguGGAggcu/3'pccgAAGccg
PDBJ
Y
PDBJ
2006-01-19
REL
REL
structures with the lowest energy, structures with the least restraint violations
40
24
distance geometry, simulated annealing, molecular dynamics
1
closest to the average
80mM NaCl, 10mM sodium phosphate, 0.5mM Na2EDTA, 2mM total duplex concentrations, pH 5.4, pD 6.8
processing
Felix
refinement
Discover
collection
VNMR
500
Varian
INOVA
600
Varian
INOVA
G
1
n
1
G
1
A
G
2
n
2
G
2
A
U
3
n
3
U
3
A
G
4
n
4
G
4
A
G
5
n
5
G
5
A
A
6
n
6
A
6
A
G
7
n
7
G
7
A
G
8
n
8
G
8
A
C
9
n
9
C
9
A
U
10
n
10
U
10
A
G
11
n
1
G
11
B
C
12
n
2
C
12
B
C
13
n
3
C
13
B
G
14
n
4
G
14
B
A
15
n
5
A
15
B
A
16
n
6
A
16
B
A
17
n
7
A
17
B
C
18
n
8
C
18
B
C
19
n
9
C
19
B
P5P
20
n
10
P5P
20
B
author_defined_assembly
2
dimeric
B
P5P
20
PURINE RIBOSIDE-5'-MONOPHOSPHATE
B
P5P
10
A
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
A
G
5
0.062
SIDE CHAIN
2
A
G
8
0.063
SIDE CHAIN
2
B
A
17
0.065
SIDE CHAIN
3
A
G
4
0.050
SIDE CHAIN
3
B
G
14
0.064
SIDE CHAIN
4
B
G
11
0.058
SIDE CHAIN
4
B
A
17
0.059
SIDE CHAIN
6
A
G
4
0.063
SIDE CHAIN
7
B
A
16
0.069
SIDE CHAIN
7
B
A
17
0.063
SIDE CHAIN
8
B
G
11
0.069
SIDE CHAIN
8
B
A
17
0.054
SIDE CHAIN
9
B
G
14
0.055
SIDE CHAIN
10
A
G
5
0.068
SIDE CHAIN
10
B
G
11
0.063
SIDE CHAIN
10
B
A
17
0.071
SIDE CHAIN
11
B
A
16
0.067
SIDE CHAIN
11
B
A
17
0.074
SIDE CHAIN
12
A
G
5
0.063
SIDE CHAIN
13
B
G
14
0.056
SIDE CHAIN
14
A
G
5
0.092
SIDE CHAIN
14
B
G
11
0.057
SIDE CHAIN
14
B
A
17
0.064
SIDE CHAIN
15
B
A
16
0.081
SIDE CHAIN
15
B
A
17
0.097
SIDE CHAIN
16
B
G
14
0.061
SIDE CHAIN
17
A
G
5
0.053
SIDE CHAIN
17
B
A
17
0.063
SIDE CHAIN
18
B
A
16
0.075
SIDE CHAIN
18
B
A
17
0.104
SIDE CHAIN
19
A
G
5
0.071
SIDE CHAIN
20
A
G
4
0.069
SIDE CHAIN
20
A
G
5
0.057
SIDE CHAIN
21
B
G
14
0.057
SIDE CHAIN
21
B
A
16
0.060
SIDE CHAIN
21
B
A
17
0.060
SIDE CHAIN
22
B
G
11
0.069
SIDE CHAIN
22
B
A
16
0.052
SIDE CHAIN
22
B
A
17
0.055
SIDE CHAIN
22
B
C
19
0.066
SIDE CHAIN
23
A
G
5
0.058
SIDE CHAIN
24
A
G
5
0.060
SIDE CHAIN
24
B
A
16
0.056
SIDE CHAIN
1
5.71
0.70
108.50
114.21
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
1
4.89
0.70
108.50
113.39
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
1
4.49
0.70
108.50
112.99
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
1
4.35
0.70
108.50
112.85
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
2
5.81
0.70
108.50
114.31
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
2
4.77
0.70
108.50
113.27
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
2
4.56
0.70
108.50
113.06
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
2
4.55
0.70
108.50
113.05
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
2
4.22
0.70
108.50
112.72
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
3
5.76
0.70
108.50
114.26
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
3
4.96
0.70
108.50
113.46
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
3
4.35
0.70
108.50
112.85
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
4
5.40
0.70
108.50
113.90
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
4
4.67
0.70
108.50
113.17
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
4
4.90
0.70
108.50
113.40
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
5
5.46
0.70
108.50
113.96
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
5
5.16
0.70
108.50
113.66
A
A
A
O4'
C1'
N9
G
G
G
7
7
7
N
5
5.03
0.70
108.50
113.53
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
5
4.55
0.70
108.50
113.05
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
5
5.18
0.70
108.50
113.68
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
5
4.32
0.70
108.50
112.82
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
6
5.95
0.70
108.50
114.45
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
6
4.85
0.70
108.50
113.35
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
6
4.24
0.70
108.50
112.74
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
6
4.26
0.70
108.50
112.76
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
6
4.26
0.70
108.50
112.76
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
7
5.95
0.70
108.50
114.45
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
7
4.96
0.70
108.50
113.46
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
7
5.03
0.70
108.50
113.53
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
7
5.07
0.70
108.50
113.57
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
7
4.21
0.70
108.50
112.71
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
8
5.98
0.70
108.50
114.48
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
8
4.92
0.70
108.50
113.42
A
A
A
O4'
C1'
N9
G
G
G
7
7
7
N
8
4.35
0.70
108.50
112.85
A
A
A
O4'
C1'
N1
U
U
U
10
10
10
N
8
4.48
0.70
108.50
112.98
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
8
4.66
0.70
108.50
113.16
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
8
4.25
0.70
108.50
112.75
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
9
6.04
0.70
108.50
114.54
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
9
4.94
0.70
108.50
113.44
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
9
4.54
0.70
108.50
113.04
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
9
4.49
0.70
108.50
112.99
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
9
5.29
0.70
108.50
113.79
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
10
5.80
0.70
108.50
114.30
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
10
4.45
0.70
108.50
112.95
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
10
4.43
0.70
108.50
112.93
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
10
4.99
0.70
108.50
113.49
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
11
5.80
0.70
108.50
114.30
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
11
5.05
0.70
108.50
113.55
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
11
4.52
0.70
108.50
113.02
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
11
4.87
0.70
108.50
113.37
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
12
6.06
0.70
108.50
114.56
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
12
4.74
0.70
108.50
113.24
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
12
4.50
0.70
108.50
113.00
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
12
4.53
0.70
108.50
113.03
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
12
4.53
0.70
108.50
113.03
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
13
5.96
0.70
108.50
114.46
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
13
4.72
0.70
108.50
113.22
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
13
4.54
0.70
108.50
113.04
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
13
4.47
0.70
108.50
112.97
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
13
4.48
0.70
108.50
112.98
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
14
5.93
0.70
108.50
114.43
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
14
5.34
0.70
108.50
113.84
A
A
A
O4'
C1'
N9
G
G
G
7
7
7
N
14
5.15
0.70
108.50
113.65
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
14
4.54
0.70
108.50
113.04
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
14
5.33
0.70
108.50
113.83
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
14
4.30
0.70
108.50
112.80
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
15
4.45
0.70
108.50
112.95
A
A
A
O4'
C1'
N9
G
G
G
2
2
2
N
15
6.40
0.70
108.50
114.90
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
15
5.02
0.70
108.50
113.52
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
15
4.53
0.70
108.50
113.03
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
15
5.23
0.70
108.50
113.73
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
15
4.23
0.70
108.50
112.73
B
B
B
O4'
C1'
N9
A
A
A
16
16
16
N
15
4.27
0.70
108.50
112.77
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
16
5.78
0.70
108.50
114.28
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
16
4.61
0.70
108.50
113.11
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
16
4.58
0.70
108.50
113.08
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
16
4.50
0.70
108.50
113.00
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
17
5.84
0.70
108.50
114.34
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
17
5.07
0.70
108.50
113.57
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
17
4.56
0.70
108.50
113.06
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
17
5.13
0.70
108.50
113.63
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
17
5.01
0.70
108.50
113.51
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
18
4.27
0.70
108.50
112.77
A
A
A
O4'
C1'
N9
G
G
G
2
2
2
N
18
5.79
0.70
108.50
114.29
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
18
5.00
0.70
108.50
113.50
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
18
4.50
0.70
108.50
113.00
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
18
4.79
0.70
108.50
113.29
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
19
5.70
0.70
108.50
114.20
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
19
5.06
0.70
108.50
113.56
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
19
4.45
0.70
108.50
112.95
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
19
4.99
0.70
108.50
113.49
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
20
5.65
0.70
108.50
114.15
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
20
4.69
0.70
108.50
113.19
A
A
A
O4'
C1'
N9
G
G
G
7
7
7
N
20
5.04
0.70
108.50
113.54
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
20
4.55
0.70
108.50
113.05
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
20
5.14
0.70
108.50
113.64
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
20
4.59
0.70
108.50
113.09
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
21
6.11
0.70
108.50
114.61
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
21
4.97
0.70
108.50
113.47
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
21
4.50
0.70
108.50
113.00
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
21
4.48
0.70
108.50
112.98
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
21
4.31
0.70
108.50
112.81
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
22
5.52
0.70
108.50
114.02
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
22
4.33
0.70
108.50
112.83
A
A
A
O4'
C1'
N9
G
G
G
7
7
7
N
22
5.01
0.70
108.50
113.51
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
22
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
U
U
U
10
10
10
N
22
4.45
0.70
108.50
112.95
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
22
5.24
0.70
108.50
113.74
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
23
5.83
0.70
108.50
114.33
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
23
4.83
0.70
108.50
113.33
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
23
4.46
0.70
108.50
112.96
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
23
4.22
0.70
108.50
112.72
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
23
4.26
0.70
108.50
112.76
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
24
5.91
0.70
108.50
114.41
A
A
A
O4'
C1'
N1
U
U
U
3
3
3
N
24
4.93
0.70
108.50
113.43
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
24
4.39
0.70
108.50
112.89
B
B
B
O4'
C1'
N1
C
C
C
12
12
12
N
24
4.23
0.70
108.50
112.73
B
B
B
O4'
C1'
N1
C
C
C
13
13
13
N
24
4.20
0.70
108.50
112.70
B
B
B
O4'
C1'
N1
C
C
C
19
19
19
N
Three consecutive sheared GA pairs in 5'GGUGGAGGCU/3'PCCAAAGCCG
1
N
N
2
N
N
covale
1.615
both
B
C
19
B
O3'
C
9
1_555
B
P5P
20
B
P
P5P
10
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
B
C
19
B
N3
C
9
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
B
C
19
B
O2
C
9
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
B
C
19
B
N4
C
9
1_555
hydrog
WATSON-CRICK
A
G
2
A
N1
G
2
1_555
B
C
18
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
2
A
N2
G
2
1_555
B
C
18
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
2
A
O6
G
2
1_555
B
C
18
B
N4
C
8
1_555
hydrog
WATSON-CRICK
A
U
3
A
N3
U
3
1_555
B
A
17
B
N1
A
7
1_555
hydrog
WATSON-CRICK
A
U
3
A
O4
U
3
1_555
B
A
17
B
N6
A
7
1_555
hydrog
TYPE_11_PAIR
A
G
4
A
N2
G
4
1_555
B
A
16
B
N7
A
6
1_555
hydrog
TYPE_11_PAIR
A
G
4
A
N3
G
4
1_555
B
A
16
B
N6
A
6
1_555
hydrog
G-A MISPAIR
A
G
5
A
N2
G
5
1_555
B
A
15
B
N7
A
5
1_555
hydrog
TYPE_11_PAIR
A
A
6
A
N6
A
6
1_555
B
G
14
B
N3
G
4
1_555
hydrog
TYPE_11_PAIR
A
A
6
A
N7
A
6
1_555
B
G
14
B
N2
G
4
1_555
hydrog
WATSON-CRICK
A
G
7
A
N1
G
7
1_555
B
C
13
B
N3
C
3
1_555
hydrog
WATSON-CRICK
A
G
7
A
N2
G
7
1_555
B
C
13
B
O2
C
3
1_555
hydrog
WATSON-CRICK
A
G
7
A
O6
G
7
1_555
B
C
13
B
N4
C
3
1_555
hydrog
WATSON-CRICK
A
G
8
A
N1
G
8
1_555
B
C
12
B
N3
C
2
1_555
hydrog
WATSON-CRICK
A
G
8
A
N2
G
8
1_555
B
C
12
B
O2
C
2
1_555
hydrog
WATSON-CRICK
A
G
8
A
O6
G
8
1_555
B
C
12
B
N4
C
2
1_555
hydrog
WATSON-CRICK
A
C
9
A
N3
C
9
1_555
B
G
11
B
N1
G
1
1_555
hydrog
WATSON-CRICK
A
C
9
A
N4
C
9
1_555
B
G
11
B
O6
G
1
1_555
hydrog
WATSON-CRICK
A
C
9
A
O2
C
9
1_555
B
G
11
B
N2
G
1
1_555
RNA
Three consecutive sheared GA pairs, thermodynamics of molecular recognition, K-turn motif, A-minor motif, secondary structure of RNA, RNA
2DD1
PDB
1
2DD1
2DD1
PDB
2
2DD1
1
10
2DD1
1
10
2DD1
A
1
1
10
11
20
2DD1
11
20
2DD1
B
2
1
10