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
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/pdb1k6h/pdb
pdb_00001k6h
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
7112.306
RNA (5'-R(P*GP*GP*CP*GP*UP*GP*UP*UP*CP*AP*GP*AP*AP*GP*AP*AP*CP*GP*CP*GP*CP*C)-3')
1
syn
polymer
no
no
GGCGUGUUCAGAAGAACGCGCC
GGCGUGUUCAGAAGAACGCGCC
A
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
0.698
1
19
A
1
A
22
-3.519
A_G1:C22_A
1
-10.963
0.229
0.286
0.021
-2.119
1
19
A
2
A
21
-0.050
A_G2:C21_A
2
-24.207
-0.777
0.024
-0.215
-2.761
1
19
A
3
A
20
-0.976
A_C3:G20_A
3
-22.537
0.676
0.123
-0.185
-10.564
1
19
A
4
A
19
-3.000
A_G4:C19_A
4
-23.374
0.299
0.385
-0.022
-7.613
1
28
A
5
A
18
-2.199
A_U5:G18_A
5
-19.993
1.526
0.810
-0.473
14.310
1
19
A
6
A
17
-4.002
A_G6:C17_A
6
-19.543
-0.639
0.922
-0.283
16.070
1
20
A
7
A
16
-5.433
A_U7:A16_A
7
-22.206
-0.121
0.345
0.028
17.321
1
20
A
8
A
15
-4.071
A_U8:A15_A
8
-30.844
-0.136
-0.578
0.101
-9.201
1
19
A
9
A
14
-2.978
A_C9:G14_A
9
3.923
-0.632
0.456
-0.002
-7.390
5
A
10
A
13
32.836
A_A10:A13_A
10
-8.923
6.500
1.315
-1.641
2.199
31.307
A
A
1
2
22.745
A
A
22
21
3.065
11.972
0.137
-1.726
AA_G1G2:C21C22_AA
1
1.348
-2.560
28.950
-5.094
-0.041
2.975
40.254
A
A
2
3
5.123
A
A
21
20
3.097
3.522
0.068
-1.331
AA_G2C3:G20C21_AA
2
0.325
-0.473
40.105
-2.304
-0.064
1.951
36.348
A
A
3
4
28.930
A
A
20
19
3.032
17.352
0.031
-1.576
AA_C3G4:C19G20_AA
3
1.225
-2.043
32.039
-4.498
0.089
2.985
38.148
A
A
4
5
2.605
A
A
19
18
3.045
1.702
0.044
-1.305
AA_G4U5:G18C19_AA
4
-0.856
1.311
38.102
-2.194
-0.167
1.151
27.564
A
A
5
6
26.180
A
A
18
17
2.045
12.054
-0.376
-1.665
AA_U5G6:C17G18_AA
5
-2.079
4.515
24.748
-5.015
0.527
2.966
36.189
A
A
6
7
3.300
A
A
17
16
3.054
2.049
0.048
-1.518
AA_G6U7:A16C17_AA
6
1.352
-2.178
36.108
-2.709
0.098
2.432
33.062
A
A
7
8
15.562
A
A
16
15
2.993
8.740
-0.057
-1.699
AA_U7U8:A15A16_AA
7
3.442
-6.128
31.735
-4.239
0.593
1.760
44.165
A
A
8
9
37.495
A
A
15
14
3.713
26.078
-0.568
-2.213
AA_U8C9:G14A15_AA
8
-12.165
17.490
33.865
-5.293
-0.342
2.624
47.446
A
A
9
10
25.399
A
A
14
13
3.061
19.836
0.421
-0.526
AA_C9A10:A13G14_AA
9
5.052
-6.468
43.035
-2.126
-0.148
database_2
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2001-12-19
1
1
2008-04-27
1
2
2011-07-13
1
3
2022-02-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_nmr_software.name
AGNN Tetraloop
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
10mM Na Phosphate
6.4
ambient
293
K
10mM Na Phosphate
6.4
ambient
278
K
10mM Na Phosphate
6.4
ambient
293
K
10mM Na Phosphate
6.4
ambient
278
K
simulated annealing
1
1 mM RNA, 10 mM Na Phosphate, pH 6.4
100% D2O
1 mM RNA, 10 mM Na Phosphate, pH 6.4
95% H2O/5% D2O
1 mM RNA,15N, 13C, 10 mM Na Phosphate, pH 6.4
100% D2O
1 mM RNA, 15N, 13C, 10 mM Na Phosphate, pH 6.4
95% H2O/5% D2O
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
G6
7
n
6
G
6
A
U7
8
n
7
U
7
A
U8
9
n
8
U
8
A
C9
10
n
9
C
9
A
A10
11
n
10
A
10
A
G11
12
n
11
G
11
A
A12
13
n
12
A
12
A
A13
14
n
13
A
13
A
G14
15
n
14
G
14
A
A15
16
n
15
A
15
A
A16
17
n
16
A
16
A
C17
18
n
17
C
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
6
0.098
SIDE CHAIN
1
A
U
8
0.070
SIDE CHAIN
1
A
A
10
0.067
SIDE CHAIN
1
A
G
18
0.074
SIDE CHAIN
1
A
G
20
0.077
SIDE CHAIN
2
A
G
6
0.082
SIDE CHAIN
2
A
G
11
0.101
SIDE CHAIN
2
A
G
20
0.065
SIDE CHAIN
3
A
A
10
0.065
SIDE CHAIN
4
A
G
4
0.054
SIDE CHAIN
4
A
G
11
0.093
SIDE CHAIN
4
A
A
12
0.075
SIDE CHAIN
4
A
A
16
0.058
SIDE CHAIN
4
A
G
20
0.080
SIDE CHAIN
4
A
C
21
0.065
SIDE CHAIN
5
A
G
6
0.064
SIDE CHAIN
5
A
G
11
0.059
SIDE CHAIN
5
A
G
20
0.077
SIDE CHAIN
6
A
G
6
0.079
SIDE CHAIN
6
A
G
11
0.065
SIDE CHAIN
6
A
G
18
0.073
SIDE CHAIN
7
A
G
4
0.065
SIDE CHAIN
7
A
G
6
0.073
SIDE CHAIN
7
A
G
11
0.056
SIDE CHAIN
7
A
G
18
0.077
SIDE CHAIN
8
A
G
6
0.085
SIDE CHAIN
8
A
G
11
0.085
SIDE CHAIN
8
A
A
13
0.070
SIDE CHAIN
8
A
G
14
0.094
SIDE CHAIN
8
A
G
18
0.073
SIDE CHAIN
9
A
G
11
0.070
SIDE CHAIN
9
A
G
14
0.062
SIDE CHAIN
10
A
G
4
0.056
SIDE CHAIN
10
A
G
11
0.069
SIDE CHAIN
10
A
C
21
0.061
SIDE CHAIN
11
A
G
6
0.092
SIDE CHAIN
11
A
G
20
0.075
SIDE CHAIN
12
A
G
6
0.073
SIDE CHAIN
12
A
G
11
0.072
SIDE CHAIN
12
A
G
20
0.069
SIDE CHAIN
13
A
G
6
0.077
SIDE CHAIN
13
A
G
11
0.066
SIDE CHAIN
13
A
A
16
0.054
SIDE CHAIN
13
A
G
20
0.088
SIDE CHAIN
14
A
G
6
0.088
SIDE CHAIN
14
A
G
11
0.082
SIDE CHAIN
14
A
G
18
0.061
SIDE CHAIN
14
A
C
21
0.065
SIDE CHAIN
15
A
G
6
0.069
SIDE CHAIN
15
A
A
12
0.073
SIDE CHAIN
15
A
G
20
0.068
SIDE CHAIN
15
A
C
21
0.061
SIDE CHAIN
16
A
G
4
0.058
SIDE CHAIN
16
A
G
6
0.064
SIDE CHAIN
16
A
G
11
0.110
SIDE CHAIN
16
A
G
14
0.070
SIDE CHAIN
16
A
G
18
0.061
SIDE CHAIN
17
A
A
10
0.052
SIDE CHAIN
17
A
A
16
0.076
SIDE CHAIN
17
A
C
21
0.063
SIDE CHAIN
18
A
A
10
0.056
SIDE CHAIN
18
A
G
11
0.057
SIDE CHAIN
18
A
G
14
0.066
SIDE CHAIN
18
A
A
15
0.056
SIDE CHAIN
18
A
G
20
0.061
SIDE CHAIN
18
A
C
21
0.063
SIDE CHAIN
19
A
A
10
0.051
SIDE CHAIN
19
A
G
11
0.071
SIDE CHAIN
19
A
A
12
0.057
SIDE CHAIN
19
A
G
18
0.063
SIDE CHAIN
19
A
G
20
0.073
SIDE CHAIN
20
A
G
6
0.085
SIDE CHAIN
20
A
G
11
0.063
SIDE CHAIN
20
A
G
20
0.080
SIDE CHAIN
1
4.48
0.70
108.50
112.98
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
1
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
1
4.34
0.70
108.50
112.84
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
1
4.74
0.70
108.50
113.24
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
1
4.54
0.70
108.50
113.04
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
1
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
2
4.81
0.70
108.50
113.31
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
2
4.46
0.70
108.50
112.96
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
2
4.28
0.70
108.50
112.78
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
2
4.79
0.70
108.50
113.29
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
2
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
2
5.20
0.70
108.50
113.70
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
2
4.76
0.70
108.50
113.26
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
2
4.65
0.70
108.50
113.15
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
2
4.22
0.70
108.50
112.72
A
A
A
O4'
C1'
N1
C
C
C
22
22
22
N
3
4.80
0.70
108.50
113.30
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
3
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
3
4.89
0.70
108.50
113.39
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
3
5.55
0.70
108.50
114.05
A
A
A
O4'
C1'
N9
A
A
A
13
13
13
N
3
4.41
0.70
108.50
112.91
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
3
4.72
0.70
108.50
113.22
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
4
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
4
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
4
4.79
0.70
108.50
113.29
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
4
4.83
0.70
108.50
113.33
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
4
6.71
0.70
108.50
115.21
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
4
5.84
0.70
108.50
114.34
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
4
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
4
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
5
4.45
0.70
108.50
112.95
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
5
4.20
0.70
108.50
112.70
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
5
4.58
0.70
108.50
113.08
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
5
4.24
0.70
108.50
112.74
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
5
4.70
0.70
108.50
113.20
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
5
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
6
4.84
0.70
108.50
113.34
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
6
4.70
0.70
108.50
113.20
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
6
5.63
0.70
108.50
114.13
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
6
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
6
4.50
0.70
108.50
113.00
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
6
4.65
0.70
108.50
113.15
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
7
4.95
0.70
108.50
113.45
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
7
4.28
0.70
108.50
112.78
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
7
4.29
0.70
108.50
112.79
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
7
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
8
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
8
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
8
4.92
0.70
108.50
113.42
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
8
5.48
0.70
108.50
113.98
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
8
-6.20
1.00
102.60
96.40
A
A
A
C4'
C3'
C2'
A
A
A
12
12
12
N
8
4.83
0.70
108.50
113.33
A
A
A
O4'
C1'
N9
G
G
G
14
14
14
N
8
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
8
4.54
0.70
108.50
113.04
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
8
4.50
0.70
108.50
113.00
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
9
4.69
0.70
108.50
113.19
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
9
5.50
0.70
108.50
114.00
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
9
4.48
0.70
108.50
112.98
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
9
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
9
4.84
0.70
108.50
113.34
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
9
4.98
0.70
108.50
113.48
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
9
4.40
0.70
108.50
112.90
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
9
4.65
0.70
108.50
113.15
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
9
4.88
0.70
108.50
113.38
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
10
4.85
0.70
108.50
113.35
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
10
4.23
0.70
108.50
112.73
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
10
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
10
4.96
0.70
108.50
113.46
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
10
4.32
0.70
108.50
112.82
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
10
4.78
0.70
108.50
113.28
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
10
4.24
0.70
108.50
112.74
A
A
A
O4'
C1'
N1
C
C
C
22
22
22
N
11
4.54
0.70
108.50
113.04
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
11
4.75
0.70
108.50
113.25
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
11
4.54
0.70
108.50
113.04
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
11
5.17
0.70
108.50
113.67
A
A
A
O4'
C1'
N9
A
A
A
13
13
13
N
11
4.61
0.70
108.50
113.11
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
11
4.75
0.70
108.50
113.25
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
11
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
12
4.43
0.70
108.50
112.93
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
12
4.26
0.70
108.50
112.76
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
12
4.71
0.70
108.50
113.21
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
12
4.91
0.70
108.50
113.41
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
12
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
12
4.61
0.70
108.50
113.11
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
13
4.28
0.70
108.50
112.78
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
13
4.63
0.70
108.50
113.13
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
13
4.55
0.70
108.50
113.05
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
13
4.93
0.70
108.50
113.43
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
13
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
14
4.61
0.70
108.50
113.11
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
14
4.60
0.70
108.50
113.10
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
14
4.98
0.70
108.50
113.48
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
14
4.87
0.70
108.50
113.37
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
14
4.25
0.70
108.50
112.75
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
14
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
14
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
15
4.66
0.70
108.50
113.16
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
15
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
15
5.17
0.70
108.50
113.67
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
15
5.32
0.70
108.50
113.82
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
15
5.73
0.70
108.50
114.23
A
A
A
O4'
C1'
N9
A
A
A
13
13
13
N
15
4.97
0.70
108.50
113.47
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
15
4.64
0.70
108.50
113.14
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
15
4.62
0.70
108.50
113.12
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
16
5.00
0.70
108.50
113.50
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
16
4.97
0.70
108.50
113.47
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
16
4.27
0.70
108.50
112.77
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
16
3.06
0.50
111.90
114.96
A
A
A
C2
N3
C4
G
G
G
11
11
11
N
16
-3.11
0.50
128.60
125.49
A
A
A
N3
C4
C5
G
G
G
11
11
11
N
16
-2.48
0.40
106.40
103.92
A
A
A
C8
N9
C4
G
G
G
11
11
11
N
16
4.81
0.70
108.50
113.31
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
16
4.40
0.70
108.50
112.90
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
16
4.41
0.70
108.50
112.91
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
16
4.71
0.70
108.50
113.21
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
17
5.16
0.70
108.50
113.66
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
17
4.44
0.70
108.50
112.94
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
17
4.57
0.70
108.50
113.07
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
17
4.67
0.70
108.50
113.17
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
17
5.32
0.70
108.50
113.82
A
A
A
O4'
C1'
N9
A
A
A
10
10
10
N
17
4.85
0.70
108.50
113.35
A
A
A
O4'
C1'
N9
A
A
A
12
12
12
N
17
5.38
0.70
108.50
113.88
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
17
4.50
0.70
108.50
113.00
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
17
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
18
4.26
0.70
108.50
112.76
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
18
4.41
0.70
108.50
112.91
A
A
A
O4'
C1'
N1
U
U
U
5
5
5
N
18
4.47
0.70
108.50
112.97
A
A
A
O4'
C1'
N1
U
U
U
8
8
8
N
18
4.56
0.70
108.50
113.06
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
18
5.47
0.70
108.50
113.97
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
18
4.73
0.70
108.50
113.23
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
18
5.11
0.70
108.50
113.61
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
18
4.51
0.70
108.50
113.01
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
19
4.33
0.70
108.50
112.83
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
19
4.83
0.70
108.50
113.33
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
19
4.36
0.70
108.50
112.86
A
A
A
O4'
C1'
N1
C
C
C
9
9
9
N
19
5.95
0.70
108.50
114.45
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
19
4.23
0.70
108.50
112.73
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
19
4.70
0.70
108.50
113.20
A
A
A
O4'
C1'
N1
C
C
C
21
21
21
N
20
4.49
0.70
108.50
112.99
A
A
A
O4'
C1'
N1
C
C
C
3
3
3
N
20
4.84
0.70
108.50
113.34
A
A
A
O4'
C1'
N1
U
U
U
7
7
7
N
20
5.43
0.70
108.50
113.93
A
A
A
O4'
C1'
N9
G
G
G
11
11
11
N
20
4.30
0.70
108.50
112.80
A
A
A
O4'
C1'
N1
C
C
C
17
17
17
N
20
4.82
0.70
108.50
113.32
A
A
A
O4'
C1'
N1
C
C
C
19
19
19
N
20
4.59
0.70
108.50
113.09
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
G-A MISPAIR
A
G
6
A
O6
G
6
1_555
A
A
16
A
N6
A
16
1_555
hydrog
WATSON-CRICK
A
G
6
A
N1
G
6
1_555
A
C
17
A
N3
C
17
1_555
hydrog
WATSON-CRICK
A
G
6
A
N2
G
6
1_555
A
C
17
A
O2
C
17
1_555
hydrog
WATSON-CRICK
A
G
6
A
O6
G
6
1_555
A
C
17
A
N4
C
17
1_555
hydrog
WATSON-CRICK
A
U
7
A
N3
U
7
1_555
A
A
16
A
N1
A
16
1_555
hydrog
WATSON-CRICK
A
U
7
A
O4
U
7
1_555
A
A
16
A
N6
A
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
C
9
A
N3
C
9
1_555
A
G
14
A
N1
G
14
1_555
hydrog
WATSON-CRICK
A
C
9
A
N4
C
9
1_555
A
G
14
A
O6
G
14
1_555
hydrog
WATSON-CRICK
A
C
9
A
O2
C
9
1_555
A
G
14
A
N2
G
14
1_555
hydrog
A-A MISPAIR
A
A
10
A
N3
A
10
1_555
A
A
13
A
N6
A
13
1_555
RNA
RNA Tetraloop, RNA
1K6H
PDB
1
1K6H
1
22
1K6H
1
22
1K6H
A
1
1
22