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.
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
C9 H14 N3 O8 P
323.197
n
ISOCYTIDINE-5'-MONOPHOSPHATE
RNA linking
C10 H14 N5 O8 P
363.221
n
ISOGUANOSINE-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
P
N
112
N
O
N
113
N
O
N
114
N
O
N
115
N
O
N
116
N
O
N
117
R
C
N
118
R
C
N
119
S
C
N
120
R
C
N
121
N
C
N
122
N
O
N
123
N
O
N
124
N
N
N
125
N
C
N
126
N
N
N
127
N
C
N
128
N
O
N
129
N
N
N
130
N
C
N
131
N
C
N
132
N
H
N
133
N
H
N
134
N
H
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
P
N
147
N
O
N
148
N
O
N
149
N
O
N
150
N
O
N
151
N
O
N
152
R
C
N
153
R
C
N
154
S
C
N
155
R
C
N
156
N
C
N
157
N
O
N
158
N
O
N
159
N
N
N
160
N
O
N
161
N
C
N
162
N
C
N
163
N
N
N
164
N
C
N
165
N
N
N
166
N
C
N
167
N
N
N
168
N
C
N
169
N
N
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
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
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
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
doub
N
147
N
sing
N
148
N
sing
N
149
N
doub
N
150
N
sing
N
151
N
sing
N
152
N
doub
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
doub
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
doub
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
doub
N
189
N
sing
N
190
N
sing
N
191
N
sing
US
J.Phys.Chem.B
JPCBFK
1278
1089-5647
111
6718
6727
10.1021/jp068732m
17411085
Stacking Effects on Local Structure in RNA: Changes in the Structure of Tandem GA Pairs when Flanking GC Pairs are Replaced by isoG-isoC Pairs
2007
10.2210/pdb2o81/pdb
pdb_00002o81
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
SINGLE WAVELENGTH
M
1
1.0
2909.823
5'-R(*GP*CP*(IG)P*GP*AP*(IC)P*GP*CP*A)-3'
2
syn
polymer
no
yes
GC(IG)GA(IC)GCA
GCGGACGCA
A,B
polyribonucleotide
n
n
n
n
n
n
n
n
n
-14.544
1
19
A
1
B
8
-1.311
A_G1:C8_B
1
-18.839
-0.535
-0.071
-0.168
-5.412
1
19
A
2
B
7
-0.878
A_C2:G7_B
2
-9.618
0.398
0.174
-0.075
0.311
A
3
B
6
-3.227
A_IG3:IC6_B
3
-6.470
0.288
-0.028
-0.049
12.408
10
A
4
B
5
-29.582
A_G4:A5_B
4
-4.887
7.376
-0.077
-5.554
-12.172
10
A
5
B
4
-29.975
A_A5:G4_B
5
-5.414
-7.388
-0.019
-5.554
0.467
A
6
B
3
-3.107
A_IC6:IG3_B
6
-6.802
-0.248
-0.038
-0.048
6.157
1
19
A
7
B
2
-0.654
A_G7:C2_B
7
-9.749
-0.365
0.167
-0.058
17.228
1
19
A
8
B
1
-1.150
A_C8:G1_B
8
-20.088
0.542
-0.126
-0.154
2.850
36.238
A
A
1
2
9.878
B
B
8
7
3.041
6.116
0.100
-0.904
AA_G1C2:G7C8_BB
1
-0.861
1.390
35.726
-2.233
-0.270
2.885
33.047
A
A
2
3
10.415
B
B
7
6
3.147
5.892
0.668
-1.405
AA_C2IG3:IC6G7_BB
2
1.724
-3.047
32.488
-3.398
-0.903
3.281
61.087
A
A
3
4
-1.723
B
B
6
5
3.103
-1.750
-2.356
-1.509
AA_IG3G4:A5IC6_BB
3
-4.196
4.131
60.934
-1.403
2.123
3.985
-24.525
A
A
4
5
-3.307
B
B
5
4
3.916
1.404
-0.046
-1.340
AA_G4A5:G4A5_BB
4
-0.172
-0.406
-24.485
2.631
-0.174
3.263
61.345
A
A
5
6
-1.398
B
B
4
3
3.084
-1.425
2.350
-1.497
AA_A5IC6:IG3G4_BB
5
4.481
-4.395
61.182
-1.402
-2.098
2.861
33.123
A
A
6
7
11.654
B
B
3
2
3.152
6.599
-0.700
-1.346
AA_IC6G7:C2IG3_BB
6
-1.624
2.868
32.437
-3.394
0.975
2.808
35.964
A
A
7
8
10.478
B
B
2
1
3.000
6.436
-0.185
-0.795
AA_G7C8:G1C2_BB
7
1.392
-2.267
35.376
-2.108
0.477
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Data collection
1
0
2007-07-10
1
1
2008-05-01
1
2
2011-07-13
1
3
2022-03-16
1
4
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
_struct_conn.pdbx_leaving_atom_flag
GG(IC)GA(IG)CCA
RCSB
Y
RCSB
2006-12-11
REL
REL
structures with the least restraint violations,structures with the lowest energy
20
18
2D NOESY
2D TOCSY
DQF-COSY
7.1
303
K
simulated annealing, molecular dynamics
1
lowest energy
80 mM NaCl, 10 mM sodium phosphate, 0.5 mM Na2EDTA, pH 7.1, 0.7mM RNA duplex concentration, 90% H2O, 10% D2O
90% H2O/10% D2O
Varian
collection
VNMR
6.1C
Delagio, F.
processing
NMRPipe
2.3
Goddard, T.D.; Kneller, D.G.
data analysis
Sparky
3.11
Molecular Simulations, Inc.
structure solution
Discover
I2000
Molecular Simulations, Inc.
refinement
Discover
I2000
500
Varian
INOVA
600
Varian
INOVA
G
1
n
1
G
1
A
C
2
n
2
C
2
A
IG
3
n
3
IG
3
A
G
4
n
4
G
4
A
A
5
n
5
A
5
A
IC
6
n
6
IC
6
A
G
7
n
7
G
7
A
C
8
n
8
C
8
A
A
9
n
9
A
9
A
G
1
n
1
G
1
B
C
2
n
2
C
2
B
IG
3
n
3
IG
3
B
G
4
n
4
G
4
B
A
5
n
5
A
5
B
IC
6
n
6
IC
6
B
G
7
n
7
G
7
B
C
8
n
8
C
8
B
A
9
n
9
A
9
B
author_defined_assembly
2
dimeric
A
IG
3
ISOGUANOSINE-5'-MONOPHOSPHATE
A
IG
3
G
A
IC
6
ISOCYTIDINE-5'-MONOPHOSPHATE
A
IC
6
C
B
IG
3
ISOGUANOSINE-5'-MONOPHOSPHATE
B
IG
3
G
B
IC
6
ISOCYTIDINE-5'-MONOPHOSPHATE
B
IC
6
C
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
1
0.070
SIDE CHAIN
1
A
G
7
0.060
SIDE CHAIN
1
B
G
1
0.071
SIDE CHAIN
1
B
G
7
0.060
SIDE CHAIN
2
A
G
1
0.068
SIDE CHAIN
2
A
G
7
0.060
SIDE CHAIN
2
B
G
1
0.071
SIDE CHAIN
2
B
G
7
0.060
SIDE CHAIN
3
A
G
1
0.070
SIDE CHAIN
3
A
G
7
0.060
SIDE CHAIN
3
B
G
1
0.071
SIDE CHAIN
3
B
G
7
0.060
SIDE CHAIN
4
A
G
1
0.073
SIDE CHAIN
4
A
G
7
0.059
SIDE CHAIN
4
B
G
1
0.072
SIDE CHAIN
4
B
G
7
0.059
SIDE CHAIN
5
A
G
1
0.070
SIDE CHAIN
5
A
G
7
0.059
SIDE CHAIN
5
B
G
1
0.071
SIDE CHAIN
5
B
G
7
0.061
SIDE CHAIN
6
A
G
1
0.068
SIDE CHAIN
6
A
G
7
0.060
SIDE CHAIN
6
B
G
1
0.071
SIDE CHAIN
6
B
G
7
0.060
SIDE CHAIN
7
A
G
1
0.072
SIDE CHAIN
7
B
G
1
0.075
SIDE CHAIN
7
B
G
7
0.059
SIDE CHAIN
8
A
G
1
0.072
SIDE CHAIN
8
A
G
7
0.060
SIDE CHAIN
8
B
G
1
0.071
SIDE CHAIN
8
B
G
7
0.061
SIDE CHAIN
9
A
G
1
0.070
SIDE CHAIN
9
A
G
7
0.060
SIDE CHAIN
9
B
G
1
0.071
SIDE CHAIN
9
B
G
7
0.058
SIDE CHAIN
10
A
G
1
0.072
SIDE CHAIN
10
B
G
1
0.059
SIDE CHAIN
10
B
G
7
0.060
SIDE CHAIN
11
A
G
1
0.068
SIDE CHAIN
11
A
G
7
0.066
SIDE CHAIN
11
B
G
1
0.071
SIDE CHAIN
11
B
G
7
0.061
SIDE CHAIN
12
A
G
1
0.071
SIDE CHAIN
12
A
G
7
0.059
SIDE CHAIN
12
B
G
1
0.071
SIDE CHAIN
12
B
G
7
0.059
SIDE CHAIN
13
A
G
1
0.072
SIDE CHAIN
13
A
G
7
0.060
SIDE CHAIN
13
B
G
1
0.072
SIDE CHAIN
13
B
G
7
0.055
SIDE CHAIN
14
A
G
1
0.068
SIDE CHAIN
14
A
G
7
0.057
SIDE CHAIN
14
B
G
1
0.075
SIDE CHAIN
14
B
G
7
0.061
SIDE CHAIN
15
A
G
1
0.070
SIDE CHAIN
15
A
G
7
0.056
SIDE CHAIN
15
B
G
1
0.075
SIDE CHAIN
15
B
G
7
0.060
SIDE CHAIN
16
A
G
1
0.067
SIDE CHAIN
16
A
G
7
0.061
SIDE CHAIN
16
B
G
1
0.072
SIDE CHAIN
17
A
G
1
0.073
SIDE CHAIN
17
A
G
7
0.063
SIDE CHAIN
17
B
G
1
0.073
SIDE CHAIN
17
B
G
7
0.060
SIDE CHAIN
18
A
G
1
0.072
SIDE CHAIN
18
A
G
7
0.066
SIDE CHAIN
18
B
G
1
0.071
SIDE CHAIN
18
B
G
7
0.056
SIDE CHAIN
1
4.61
0.70
108.50
113.11
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
2
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
2
4.24
0.70
108.50
112.74
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
3
4.65
0.70
108.50
113.15
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
3
4.24
0.70
108.50
112.74
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
4
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
5
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
5
4.20
0.70
108.50
112.70
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
6
4.63
0.70
108.50
113.13
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
6
4.22
0.70
108.50
112.72
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
7
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
7
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
8
8
8
N
8
4.48
0.70
108.50
112.98
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
8
4.27
0.70
108.50
112.77
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
9
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
9
4.27
0.70
108.50
112.77
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
10
4.51
0.70
108.50
113.01
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
10
5.02
0.70
108.50
113.52
A
A
A
O4'
C1'
N1
C
C
C
8
8
8
N
10
4.31
0.70
108.50
112.81
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
11
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
12
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
12
4.21
0.70
108.50
112.71
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
13
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
13
4.24
0.70
108.50
112.74
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
13
4.33
0.70
108.50
112.83
B
B
B
O4'
C1'
N1
C
C
C
8
8
8
N
14
4.52
0.70
108.50
113.02
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
14
4.28
0.70
108.50
112.78
A
A
A
O4'
C1'
N1
C
C
C
8
8
8
N
15
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
15
4.21
0.70
108.50
112.71
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
16
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
16
4.27
0.70
108.50
112.77
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
16
4.43
0.70
108.50
112.93
B
B
B
O4'
C1'
N1
C
C
C
8
8
8
N
17
4.60
0.70
108.50
113.10
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
17
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
8
8
8
N
17
4.22
0.70
108.50
112.72
B
B
B
O4'
C1'
N1
C
C
C
2
2
2
N
18
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
C
C
C
2
2
2
N
18
4.33
0.70
108.50
112.83
B
B
B
O4'
C1'
N1
C
C
C
8
8
8
N
The Structure of Tandem GA RNA Pairs When Flanking Pairs are isoG-isoC Pairs
1
N
N
1
N
N
covale
1.616
both
A
C
2
A
O3'
C
2
1_555
A
IG
3
A
P
IG
3
1_555
covale
1.616
both
A
IG
3
A
O3'
IG
3
1_555
A
G
4
A
P
G
4
1_555
covale
1.619
both
A
A
5
A
O3'
A
5
1_555
A
IC
6
A
P
IC
6
1_555
covale
1.616
both
A
IC
6
A
O3'
IC
6
1_555
A
G
7
A
P
G
7
1_555
covale
1.617
both
B
C
2
B
O3'
C
2
1_555
B
IG
3
B
P
IG
3
1_555
covale
1.617
both
B
IG
3
B
O3'
IG
3
1_555
B
G
4
B
P
G
4
1_555
covale
1.620
both
B
A
5
B
O3'
A
5
1_555
B
IC
6
B
P
IC
6
1_555
covale
1.615
both
B
IC
6
B
O3'
IC
6
1_555
B
G
7
B
P
G
7
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
B
C
8
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
B
C
8
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
B
C
8
B
N4
C
8
1_555
hydrog
WATSON-CRICK
A
C
2
A
N3
C
2
1_555
B
G
7
B
N1
G
7
1_555
hydrog
WATSON-CRICK
A
C
2
A
N4
C
2
1_555
B
G
7
B
O6
G
7
1_555
hydrog
WATSON-CRICK
A
C
2
A
O2
C
2
1_555
B
G
7
B
N2
G
7
1_555
hydrog
IG-IC PAIR
A
IG
3
A
N1
IG
3
1_555
B
IC
6
B
N3
IC
6
1_555
hydrog
G-A MISPAIR
A
G
4
A
N2
G
4
1_555
B
A
5
B
N7
A
5
1_555
hydrog
A-G MISPAIR
A
A
5
A
N7
A
5
1_555
B
G
4
B
N2
G
4
1_555
hydrog
IC-IG PAIR
A
IC
6
A
N3
IC
6
1_555
B
IG
3
B
N1
IG
3
1_555
hydrog
WATSON-CRICK
A
G
7
A
N1
G
7
1_555
B
C
2
B
N3
C
2
1_555
hydrog
WATSON-CRICK
A
G
7
A
N2
G
7
1_555
B
C
2
B
O2
C
2
1_555
hydrog
WATSON-CRICK
A
G
7
A
O6
G
7
1_555
B
C
2
B
N4
C
2
1_555
hydrog
WATSON-CRICK
A
C
8
A
N3
C
8
1_555
B
G
1
B
N1
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
N4
C
8
1_555
B
G
1
B
O6
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
O2
C
8
1_555
B
G
1
B
N2
G
1
1_555
RNA
RNA, Thermodynamics, secondary structure prediction, sheared GA pair, isoguanosine, isocytidine
2O81
PDB
1
2O81
1
9
2O81
1
9
2O81
A
1
1
9
1
9
2O81
1
9
2O81
B
1
1
9