1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Lebars, I.
Lamontagne, B.
Yoshizawa, S.
Abou Elela, S.
Fourmy, D.
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 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
P
N
113
N
O
N
114
N
O
N
115
N
O
N
116
N
C
N
117
R
C
N
118
N
O
N
119
S
C
N
120
N
O
N
121
R
C
N
122
N
O
N
123
R
C
N
124
N
N
N
125
N
C
N
126
N
O
N
127
N
N
N
128
N
C
N
129
N
O
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
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
doub
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
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
doub
N
147
N
sing
N
148
N
doub
N
149
N
sing
N
150
N
sing
UK
EMBO J.
EMJODG
0897
0261-4189
20
7250
7258
10.1093/emboj/20.24.7250
11743001
Solution structure of conserved AGNN tetraloops: insights into Rnt1p RNA processing.
2001
10.2210/pdb1k6g/pdb
pdb_00001k6g
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
AGNN Tetraloop, Substrate for Rnt1p
7065.242
RNA (5'-R(P*GP*GP*CP*GP*UP*CP*AP*UP*GP*AP*GP*UP*CP*CP*AP*UP*GP*GP*CP*GP*CP*C)-3')
1
syn
polymer
no
no
GGCGUCAUGAGUCCAUGGCGCC
GGCGUCAUGAGUCCAUGGCGCC
A
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
-14.908
1
19
A
1
A
22
-2.475
A_G1:C22_A
1
-18.949
0.245
-0.242
0.060
-6.271
1
19
A
2
A
21
-1.260
A_G2:C21_A
2
-17.402
-0.732
0.303
-0.166
-1.825
1
19
A
3
A
20
-2.749
A_C3:G20_A
3
-20.001
0.862
0.405
-0.290
-8.501
1
19
A
4
A
19
-2.384
A_G4:C19_A
4
-27.405
0.186
0.313
-0.032
-3.407
1
28
A
5
A
18
-1.316
A_U5:G18_A
5
-19.800
1.544
0.678
-0.450
-2.421
1
19
A
6
A
17
-3.266
A_C6:G17_A
6
-19.814
0.720
0.458
-0.271
-1.186
1
20
A
7
A
16
-6.217
A_A7:U16_A
7
-21.167
-0.068
0.333
-0.023
1.224
1
20
A
8
A
15
0.039
A_U8:A15_A
8
-19.334
0.335
0.544
-0.083
8.498
1
19
A
9
A
14
-0.529
A_G9:C14_A
9
-6.104
0.138
-0.202
0.010
10.393
6
A
10
A
13
13.493
A_A10:C13_A
10
-5.808
7.159
0.769
-4.726
2.329
28.831
A
A
1
2
14.110
A
A
22
21
2.798
6.936
0.026
-1.521
AA_G1G2:C21C22_AA
1
-4.062
8.263
27.710
-4.294
-0.777
2.965
40.601
A
A
2
3
3.461
A
A
21
20
3.038
2.400
-0.082
-1.198
AA_G2C3:G20C21_AA
2
0.160
-0.230
40.533
-1.972
0.134
2.055
35.988
A
A
3
4
27.011
A
A
20
19
2.978
16.100
0.070
-1.413
AA_C3G4:C19G20_AA
3
3.771
-6.327
32.077
-4.160
0.325
2.916
37.352
A
A
4
5
3.909
A
A
19
18
3.017
2.502
0.276
-1.361
AA_G4U5:G18C19_AA
4
-0.931
1.455
37.259
-2.424
-0.543
2.331
32.319
A
A
5
6
11.533
A
A
18
17
2.805
6.358
-0.148
-1.946
AA_U5C6:G17G18_AA
5
4.620
-8.379
31.374
-4.394
0.918
1.452
30.929
A
A
6
7
28.863
A
A
17
16
2.771
14.781
-0.350
-2.066
AA_C6A7:U16G17_AA
6
1.879
-3.670
27.181
-5.847
0.906
2.966
35.283
A
A
7
8
2.364
A
A
16
15
3.060
1.431
0.109
-1.815
AA_A7U8:A15U16_AA
7
-3.047
5.034
35.127
-3.190
-0.596
1.699
36.035
A
A
8
9
31.533
A
A
15
14
2.757
18.612
-0.616
-1.296
AA_U8G9:C14A15_AA
8
1.606
-2.721
30.953
-4.043
1.164
3.050
60.128
A
A
9
10
20.150
A
A
14
13
3.237
19.874
0.395
-0.139
AA_G9A10:C13C14_AA
9
1.202
-1.218
57.029
-1.111
-0.335
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
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
2001-12-19
1
1
2008-04-27
1
2
2011-07-13
1
3
2022-02-23
1
4
2024-05-22
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
AGNN TETRALOOP STRUCTURE
RCSB
Y
RCSB
2001-10-16
REL
Synthetic-T7 RNA transcript
sample
structures with the lowest energy
25
20
2D NOESY
2D NOESY
2D DQF-COSY
2D TOCSY
3D NOESY-HMQC
3D HCCH-TOCSY
HP COSY
HSQC
HSQC
3D HCP
HNN COSY
10 mM Na Phosphate
6.4
ambient
293
K
10 mM Na Phosphate
6.4
ambient
278
K
10 mM Na Phosphate
6.4
ambient
293
K
10 mM Na Phosphate
6.4
ambient
278
K
simulated annealing
1
1mM RNA, 10mM Na Phosphate, pH 6.4
100% D2O
1mM RNA, 10mM Na Phosphate, pH 6.4
95% H20-5% D20
1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4
100% D2O
1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4
95% H20-5% D20
collection
XwinNMR
processing
XwinNMR
data analysis
AURELIA
structure solution
Discover
refinement
Discover
800
Bruker
DRX
600
Bruker
DRX
G1
2
n
1
G
1
A
G2
3
n
2
G
2
A
C3
4
n
3
C
3
A
G4
5
n
4
G
4
A
U5
6
n
5
U
5
A
C6
7
n
6
C
6
A
A7
8
n
7
A
7
A
U8
9
n
8
U
8
A
G9
10
n
9
G
9
A
A10
11
n
10
A
10
A
G11
12
n
11
G
11
A
U12
13
n
12
U
12
A
C13
14
n
13
C
13
A
C14
15
n
14
C
14
A
A15
16
n
15
A
15
A
U16
17
n
16
U
16
A
G17
18
n
17
G
17
A
G18
19
n
18
G
18
A
C19
20
n
19
C
19
A
G20
21
n
20
G
20
A
C21
22
n
21
C
21
A
C22
23
n
22
C
22
A
author_defined_assembly
1
monomeric
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
4
0.065
SIDE CHAIN
1
A
A
7
0.068
SIDE CHAIN
1
A
A
10
0.064
SIDE CHAIN
1
A
G
20
0.084
SIDE CHAIN
2
A
G
4
0.070
SIDE CHAIN
2
A
A
7
0.077
SIDE CHAIN
2
A
A
10
0.072
SIDE CHAIN
2
A
G
18
0.065
SIDE CHAIN
2
A
G
20
0.082
SIDE CHAIN
3
A
G
2
0.057
SIDE CHAIN
3
A
G
4
0.071
SIDE CHAIN
3
A
A
7
0.086
SIDE CHAIN
3
A
U
8
0.069
SIDE CHAIN
3
A
A
10
0.068
SIDE CHAIN
3
A
G
11
0.074
SIDE CHAIN
3
A
U
12
0.101
SIDE CHAIN
3
A
G
18
0.056
SIDE CHAIN
3
A
G
20
0.090
SIDE CHAIN
4
A
A
7
0.074
SIDE CHAIN
4
A
G
20
0.075
SIDE CHAIN
5
A
A
7
0.081
SIDE CHAIN
5
A
A
10
0.060
SIDE CHAIN
5
A
G
18
0.059
SIDE CHAIN
6
A
G
4
0.055
SIDE CHAIN
6
A
A
7
0.072
SIDE CHAIN
6
A
G
20
0.081
SIDE CHAIN
7
A
G
4
0.072
SIDE CHAIN
7
A
A
7
0.074
SIDE CHAIN
7
A
G
18
0.061
SIDE CHAIN
7
A
G
20
0.085
SIDE CHAIN
8
A
A
7
0.056
SIDE CHAIN
8
A
A
10
0.060
SIDE CHAIN
8
A
G
17
0.063
SIDE CHAIN
9
A
G
11
0.050
SIDE CHAIN
9
A
G
17
0.072
SIDE CHAIN
9
A
G
20
0.074
SIDE CHAIN
10
A
A
7
0.064
SIDE CHAIN
10
A
G
20
0.077
SIDE CHAIN
11
A
A
7
0.060
SIDE CHAIN
11
A
G
18
0.067
SIDE CHAIN
11
A
G
20
0.065
SIDE CHAIN
12
A
G
11
0.068
SIDE CHAIN
12
A
G
20
0.075
SIDE CHAIN
13
A
A
7
0.082
SIDE CHAIN
13
A
A
10
0.070
SIDE CHAIN
13
A
U
12
0.073
SIDE CHAIN
13
A
C
13
0.056
SIDE CHAIN
13
A
G
18
0.066
SIDE CHAIN
14
A
A
7
0.075
SIDE CHAIN
14
A
G
18
0.063
SIDE CHAIN
15
A
A
7
0.080
SIDE CHAIN
15
A
U
8
0.068
SIDE CHAIN
15
A
G
11
0.078
SIDE CHAIN
15
A
G
18
0.057
SIDE CHAIN
15
A
G
20
0.076
SIDE CHAIN
16
A
G
4
0.057
SIDE CHAIN
16
A
A
7
0.068
SIDE CHAIN
16
A
A
10
0.064
SIDE CHAIN
16
A
G
18
0.072
SIDE CHAIN
17
A
A
7
0.082
SIDE CHAIN
17
A
G
18
0.062
SIDE CHAIN
17
A
G
20
0.073
SIDE CHAIN
18
A
G
9
0.058
SIDE CHAIN
18
A
G
11
0.088
SIDE CHAIN
18
A
G
20
0.071
SIDE CHAIN
19
A
A
7
0.077
SIDE CHAIN
19
A
U
8
0.064
SIDE CHAIN
19
A
A
10
0.063
SIDE CHAIN
19
A
G
11
0.075
SIDE CHAIN
19
A
G
18
0.057
SIDE CHAIN
19
A
G
20
0.063
SIDE CHAIN
20
A
A
10
0.068
SIDE CHAIN
1
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
1
4.43
0.70
108.50
112.93
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
1
4.54
0.70
108.50
113.04
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
1
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
2
4.60
0.70
108.50
113.10
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
2
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
2
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
2
4.93
0.70
108.50
113.43
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
2
5.36
0.70
108.50
113.86
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
2
4.31
0.70
108.50
112.81
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
2
4.46
0.70
108.50
112.96
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
3
4.45
0.70
108.50
112.95
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
3
4.84
0.70
108.50
113.34
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
3
4.86
0.70
108.50
113.36
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
3
5.26
0.70
108.50
113.76
A
A
A
O4'
C1'
N1
U
U
U
12
12
12
N
3
5.01
0.70
108.50
113.51
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
3
4.52
0.70
108.50
113.02
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
3
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
4
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
4
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
4
5.23
0.70
108.50
113.73
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
4
4.40
0.70
108.50
112.90
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
4
4.75
0.70
108.50
113.25
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
4
5.37
0.70
108.50
113.87
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
4
5.23
0.70
108.50
113.73
A
A
A
O4'
C1'
N9
G
G
G
17
17
17
N
4
4.75
0.70
108.50
113.25
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
4
4.48
0.70
108.50
112.98
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
5
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
5
4.38
0.70
108.50
112.88
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
5
4.71
0.70
108.50
113.21
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
5
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
5
4.35
0.70
108.50
112.85
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
5
4.50
0.70
108.50
113.00
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
6
4.38
0.70
108.50
112.88
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
6
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
6
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
6
4.20
0.70
108.50
112.70
A
A
A
O4'
C1'
N1
U
U
U
12
12
12
N
6
4.26
0.70
108.50
112.76
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
6
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
6
4.45
0.70
108.50
112.95
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
7
4.63
0.70
108.50
113.13
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
7
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
7
4.71
0.70
108.50
113.21
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
7
4.74
0.70
108.50
113.24
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
7
4.70
0.70
108.50
113.20
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
7
4.52
0.70
108.50
113.02
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
8
4.70
0.70
108.50
113.20
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
8
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
8
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
8
4.34
0.70
108.50
112.84
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
8
4.63
0.70
108.50
113.13
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
8
4.25
0.70
108.50
112.75
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
8
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
9
4.48
0.70
108.50
112.98
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
9
4.32
0.70
108.50
112.82
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
9
5.63
0.70
108.50
114.13
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
9
4.30
0.70
108.50
112.80
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
9
5.21
0.70
108.50
113.71
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
9
4.90
0.70
108.50
113.40
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
9
5.20
0.70
108.50
113.70
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
9
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
10
4.46
0.70
108.50
112.96
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
10
4.33
0.70
108.50
112.83
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
10
4.79
0.70
108.50
113.29
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
10
5.22
0.70
108.50
113.72
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
10
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
10
4.81
0.70
108.50
113.31
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
10
4.47
0.70
108.50
112.97
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
11
4.78
0.70
108.50
113.28
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
11
4.72
0.70
108.50
113.22
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
11
6.00
0.70
108.50
114.50
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
11
4.33
0.70
108.50
112.83
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
11
4.44
0.70
108.50
112.94
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
12
4.42
0.70
108.50
112.92
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
12
5.30
0.70
108.50
113.80
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
12
4.43
0.70
108.50
112.93
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
12
7.78
0.70
108.50
116.28
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
12
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
12
4.34
0.70
108.50
112.84
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
12
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
13
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
13
4.75
0.70
108.50
113.25
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
13
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
U
U
U
12
12
12
N
13
6.12
0.70
108.50
114.62
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
13
4.86
0.70
108.50
113.36
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
13
4.71
0.70
108.50
113.21
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
14
4.91
0.70
108.50
113.41
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
14
4.87
0.70
108.50
113.37
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
14
4.22
0.70
108.50
112.72
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
14
4.51
0.70
108.50
113.01
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
14
4.60
0.70
108.50
113.10
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
14
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
15
4.82
0.70
108.50
113.32
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
15
5.14
0.70
108.50
113.64
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
15
5.12
0.70
108.50
113.62
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
15
7.76
0.70
108.50
116.26
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
15
4.29
0.70
108.50
112.79
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
15
4.29
0.70
108.50
112.79
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
16
4.92
0.70
108.50
113.42
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
16
4.84
0.70
108.50
113.34
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
16
5.97
0.70
108.50
114.47
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
16
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
16
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
17
4.86
0.70
108.50
113.36
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
17
4.35
0.70
108.50
112.85
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
17
5.58
0.70
108.50
114.08
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
17
5.26
0.70
108.50
113.76
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
17
4.37
0.70
108.50
112.87
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
17
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
17
4.39
0.70
108.50
112.89
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
17
4.24
0.70
108.50
112.74
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
18
5.09
0.70
108.50
113.59
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
18
4.23
0.70
108.50
112.73
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
18
4.24
0.70
108.50
112.74
A
A
A
O4'
C1'
N9
G
G
G
9
9
9
N
18
4.47
0.70
108.50
112.97
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
18
4.93
0.70
108.50
113.43
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
18
5.62
0.70
108.50
114.12
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
18
4.64
0.70
108.50
113.14
A
A
A
O4'
C1'
N9
G
G
G
17
17
17
N
18
4.31
0.70
108.50
112.81
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
19
4.74
0.70
108.50
113.24
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
19
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
19
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
19
5.45
0.80
101.50
106.95
A
A
A
C3'
C2'
C1'
C
C
C
13
13
13
N
19
5.30
0.70
108.50
113.80
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
19
5.34
0.70
108.50
113.84
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
19
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
19
4.68
0.70
108.50
113.18
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
20
4.74
0.70
108.50
113.24
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
20
4.31
0.70
108.50
112.81
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
20
4.65
0.70
108.50
113.15
A
A
A
O4'
C1'
N1
C
C
C
6
6
6
N
20
5.53
0.70
108.50
114.03
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
20
7.55
0.70
108.50
116.05
A
A
A
O4'
C1'
N1
C
C
C
13
13
13
N
20
4.94
0.70
108.50
113.44
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
20
4.43
0.70
108.50
112.93
A
A
A
O4'
C1'
N1
U
U
U
16
16
16
N
20
4.23
0.70
108.50
112.73
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
20
4.60
0.70
108.50
113.10
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
Solution Structure of Conserved AGNN Tetraloops: Insights into Rnt1p RNA Processing
1
N
N
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
A
C
22
A
N3
C
22
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
A
C
22
A
O2
C
22
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
A
C
22
A
N4
C
22
1_555
hydrog
WATSON-CRICK
A
G
2
A
N1
G
2
1_555
A
C
21
A
N3
C
21
1_555
hydrog
WATSON-CRICK
A
G
2
A
N2
G
2
1_555
A
C
21
A
O2
C
21
1_555
hydrog
WATSON-CRICK
A
G
2
A
O6
G
2
1_555
A
C
21
A
N4
C
21
1_555
hydrog
WATSON-CRICK
A
C
3
A
N3
C
3
1_555
A
G
20
A
N1
G
20
1_555
hydrog
WATSON-CRICK
A
C
3
A
N4
C
3
1_555
A
G
20
A
O6
G
20
1_555
hydrog
WATSON-CRICK
A
C
3
A
O2
C
3
1_555
A
G
20
A
N2
G
20
1_555
hydrog
WATSON-CRICK
A
G
4
A
N1
G
4
1_555
A
C
19
A
N3
C
19
1_555
hydrog
WATSON-CRICK
A
G
4
A
N2
G
4
1_555
A
C
19
A
O2
C
19
1_555
hydrog
WATSON-CRICK
A
G
4
A
O6
G
4
1_555
A
C
19
A
N4
C
19
1_555
hydrog
TYPE_28_PAIR
A
U
5
A
N3
U
5
1_555
A
G
18
A
O6
G
18
1_555
hydrog
TYPE_28_PAIR
A
U
5
A
O2
U
5
1_555
A
G
18
A
N1
G
18
1_555
hydrog
WATSON-CRICK
A
C
6
A
N3
C
6
1_555
A
G
17
A
N1
G
17
1_555
hydrog
WATSON-CRICK
A
C
6
A
N4
C
6
1_555
A
G
17
A
O6
G
17
1_555
hydrog
WATSON-CRICK
A
C
6
A
O2
C
6
1_555
A
G
17
A
N2
G
17
1_555
hydrog
WATSON-CRICK
A
A
7
A
N1
A
7
1_555
A
U
16
A
N3
U
16
1_555
hydrog
WATSON-CRICK
A
A
7
A
N6
A
7
1_555
A
U
16
A
O4
U
16
1_555
hydrog
WATSON-CRICK
A
U
8
A
N3
U
8
1_555
A
A
15
A
N1
A
15
1_555
hydrog
WATSON-CRICK
A
U
8
A
O4
U
8
1_555
A
A
15
A
N6
A
15
1_555
hydrog
WATSON-CRICK
A
G
9
A
N1
G
9
1_555
A
C
14
A
N3
C
14
1_555
hydrog
WATSON-CRICK
A
G
9
A
N2
G
9
1_555
A
C
14
A
O2
C
14
1_555
hydrog
WATSON-CRICK
A
G
9
A
O6
G
9
1_555
A
C
14
A
N4
C
14
1_555
hydrog
A-C MISPAIR
A
A
10
A
N3
A
10
1_555
A
C
13
A
N4
C
13
1_555
RNA
RNA Tetraloop, RNA
1K6G
PDB
1
1K6G
1
22
1K6G
1
22
1K6G
A
1
1
22