0.007764
0.004483
0.000000
0.000000
0.008965
0.000000
0.000000
0.000000
0.015361
0.00000
0.00000
0.00000
Ennifar, E.
Nikouline, A.
Serganov, A.
Tishchenko, S.
Nevskaya, N.
Garber, M.
Ehresmann, B.
Ehresmann, C.
Nikonov, S.
Dumas, P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
128.800
128.800
65.100
C10 H14 N5 O7 P
347.221
y
ADENOSINE-5'-MONOPHOSPHATE
RNA linking
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide 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
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
K 1
39.098
POTASSIUM ION
non-polymer
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
Mg 2
24.305
MAGNESIUM ION
non-polymer
C5 H11 N O2 Se
196.106
n
SELENOMETHIONINE
L-peptide linking
Na 1
22.990
SODIUM ION
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C9 H13 N2 O9 P
324.181
y
URIDINE-5'-MONOPHOSPHATE
RNA linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
304
35
42
10.1006/jmbi.2000.4204
11071808
The crystal structure of UUCG tetraloop.
2000
10.2210/pdb1f7y/pdb
pdb_00001f7y
INCORRECT CHIRAL CARBON ATOM C3' G 5 B
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
1999-10-18
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.94654
1.0
BW7A
EMBL/DESY, HAMBURG
0.94654
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE BW7A
18464.963
16S RIBOSOMAL RNA FRAGMENT
57 RESIDUES
1
syn
polymer
10844.145
30S RIBOSOMAL PROTEIN S15
1
man
polymer
24.305
MAGNESIUM ION
9
syn
non-polymer
22.990
SODIUM ION
2
syn
non-polymer
39.098
POTASSIUM ION
1
syn
non-polymer
18.015
water
27
nat
water
no
no
GGGCGGCCUUCGGGCUAGACGGUGGGAGAGGCUUCGGCUGGUCCACCCGUGACGCUC
GGGCGGCCUUCGGGCUAGACGGUGGGAGAGGCUUCGGCUGGUCCACCCGUGACGCUC
B
polyribonucleotide
no
yes
MPITKEEKQKV(MSE)QEFARFPGDTGSTEVQVALLTLRINRLSEHLKVHKKDHHSHRGLL(MSE)(MSE)VGQRRRLLR
YLQREDPERYR(MSE)LIEKLGIRG
MPITKEEKQKVMQEFARFPGDTGSTEVQVALLTLRINRLSEHLKVHKKDHHSHRGLLMMVGQRRRLLRYLQREDPERYRM
LIEKLGIRG
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Thermus
Escherichia
sample
274
Thermus thermophilus
562
Escherichia coli
1
2.66
53.74
VAPOR DIFFUSION, HANGING DROP
6.2
1 M (NH4)2SO4, 100 MM SODIUM CACODYLATE, 30 MM KCL, 1.5 MM MGCL2, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
295
SODIUM CACODYLATE
1
KCL
1
MGCL2
1
(NH4)2SO4
1
KCL
2
MGCL2
2
(NH4)2SO4
2
0.193
1
19
B
1
B
57
-6.764
B_G1:C57_B
1
1.208
0.572
-0.409
-0.028
1.085
1
28
B
2
B
56
-0.959
B_G2:U56_B
2
-15.868
-1.958
0.243
-0.762
2.509
1
19
B
3
B
55
-4.565
B_G3:C55_B
3
-4.500
-0.092
0.252
-0.255
-0.754
1
19
B
4
B
54
-2.702
B_C4:G54_B
4
-4.116
-0.041
0.181
-0.183
13.806
2
B
12
B
9
103.597
B_G12:U9_B
5
3.783
-0.760
0.619
5.242
-8.436
1
19
B
13
B
8
6.198
B_G13:C8_B
6
-7.514
0.297
-0.431
-0.085
-17.078
1
19
B
14
B
7
3.978
B_G14:C7_B
7
-9.471
0.188
-0.252
-0.175
-14.740
1
19
B
15
B
6
-1.930
B_C15:G6_B
8
-11.070
-0.105
0.004
-0.437
-1.611
4
24
B
52
B
16
-104.524
B_A52:U16_B
9
6.182
-3.979
0.063
-1.659
8.313
1
19
B
18
B
53
-5.126
B_G18:C53_B
10
0.795
0.120
-0.187
-0.264
6.905
1
20
B
19
B
50
-4.897
B_A19:U50_B
11
-6.249
0.303
0.298
-0.234
6.638
1
19
B
20
B
49
0.717
B_C20:G49_B
12
-0.926
0.412
0.399
-0.312
-1.672
1
19
B
21
B
48
-0.407
B_G21:C48_B
13
-9.138
-0.301
-0.037
-0.177
-5.959
1
19
B
22
B
46
-7.562
B_G22:C46_B
14
-10.118
-0.721
-0.161
-0.414
-4.432
1
20
B
23
B
45
3.206
B_U23:A45_B
15
-8.991
-0.930
-0.045
-0.542
-1.515
1
19
B
24
B
44
0.390
B_G24:C44_B
16
-7.485
-0.566
-0.117
-0.617
-2.753
1
19
B
25
B
43
0.221
B_G25:C43_B
17
-14.135
-0.760
0.097
-0.224
-11.524
1
28
B
26
B
42
-3.396
B_G26:U42_B
18
-15.268
-1.930
0.076
-0.447
-7.007
1
8
B
27
B
41
-14.261
B_A27:G41_B
19
-7.508
-0.004
-0.438
1.312
-9.347
B
28
B
40
5.371
B_G28:G40_B
20
4.691
4.746
-0.075
1.783
-10.263
28
B
30
B
39
-0.356
B_G30:U39_B
21
-11.164
-3.291
-0.693
-0.889
-2.719
1
19
B
31
B
38
-5.853
B_G31:C38_B
22
-4.613
0.588
-0.113
-0.460
11.069
1
19
B
32
B
37
2.008
B_C32:G37_B
23
2.172
0.751
-0.302
-0.545
-19.011
2
B
33
B
36
-115.825
B_U33:G36_B
24
-5.510
0.601
-0.417
-5.666
1.850
23.827
B
B
1
2
19.580
B
B
57
56
3.304
7.727
0.971
-2.030
BB_G1G2:U56C57_BB
1
-9.122
23.117
20.649
-7.059
-4.882
2.916
42.044
B
B
2
3
6.281
B
B
56
55
3.084
4.494
-0.423
-1.714
BB_G2G3:C55U56_BB
2
-3.236
4.522
41.694
-2.818
0.281
3.072
34.759
B
B
3
4
7.616
B
B
55
54
3.290
4.536
0.628
-1.733
BB_G3C4:G54C55_BB
3
1.809
-3.038
34.424
-3.578
-0.782
1.292
165.109
B
B
12
13
-65.199
B
B
9
8
0.247
-123.867
-1.946
-3.435
BB_G12G13:C8U9_BB
4
105.671
-55.621
59.676
-1.392
1.271
2.697
30.322
B
B
13
14
17.091
B
B
8
7
3.476
8.816
-0.077
-2.231
BB_G13G14:C7C8_BB
5
0.460
-0.893
29.037
-5.979
0.237
3.169
29.097
B
B
14
15
2.702
B
B
7
6
3.235
1.355
0.514
-2.176
BB_G14C15:G6C7_BB
6
3.058
-6.101
28.908
-4.623
-0.366
2.841
174.115
B
B
15
52
-53.507
B
B
6
16
-0.914
-104.184
-0.721
-4.233
BB_C15A52:U16G6_BB
7
-139.327
71.556
24.935
-1.656
-0.259
-1.301
-174.524
B
B
52
18
26.339
B
B
16
53
-2.853
-52.079
-2.387
-2.829
BB_A52G18:C53U16_BB
8
163.300
82.587
-100.812
1.189
-1.906
3.013
57.743
B
B
18
19
5.632
B
B
53
50
2.907
5.424
2.435
-1.198
BB_G18A19:U50C53_BB
9
6.039
-6.271
57.218
-1.506
-2.227
3.044
30.627
B
B
19
20
6.363
B
B
50
49
3.312
3.351
0.641
-1.744
BB_A19C20:G49U50_BB
10
-2.554
4.851
30.343
-3.948
-1.707
2.941
29.526
B
B
20
21
7.955
B
B
49
48
3.268
4.037
0.449
-2.428
BB_C20G21:C48G49_BB
11
2.726
-5.373
29.130
-5.585
-0.326
2.842
48.812
B
B
21
22
14.191
B
B
48
46
3.311
11.626
0.994
-1.823
BB_G21G22:C46C48_BB
12
1.326
-1.618
47.472
-3.052
-1.106
2.814
30.180
B
B
22
23
17.148
B
B
46
45
3.371
8.797
0.848
-1.227
BB_G22U23:A45C46_BB
13
-2.139
4.169
28.820
-4.090
-2.051
2.753
33.569
B
B
23
24
14.627
B
B
45
44
3.120
8.363
0.581
-1.171
BB_U23G24:C44A45_BB
14
0.641
-1.122
32.534
-3.278
-0.910
2.651
28.818
B
B
24
25
13.383
B
B
44
43
3.245
6.602
0.741
-2.410
BB_G24G25:C43C44_BB
15
1.311
-2.659
28.037
-6.191
-1.221
2.452
31.339
B
B
25
26
19.839
B
B
43
42
3.290
10.518
0.513
-1.996
BB_G25G26:U42C43_BB
16
-0.071
0.134
29.562
-5.489
-0.961
2.881
40.746
B
B
26
27
3.687
B
B
42
41
3.121
2.558
-0.808
-1.676
BB_G26A27:G41U42_BB
17
5.563
-8.017
40.303
-2.668
1.728
3.682
37.090
B
B
27
28
-6.360
B
B
41
40
3.631
-4.037
0.898
-1.097
BB_A27G28:G40G41_BB
18
-1.742
2.744
36.838
-1.118
-1.673
0.813
14.709
B
B
28
30
26.062
B
B
40
39
3.535
6.210
-0.957
-3.748
BB_G28G30:U39G40_BB
19
6.460
-27.111
11.676
-18.623
7.878
3.086
41.499
B
B
30
31
2.615
B
B
39
38
3.062
1.846
-0.794
-1.276
BB_G30G31:C38U39_BB
20
-6.017
8.521
41.040
-1.987
0.516
3.126
34.395
B
B
31
32
-3.766
B
B
38
37
3.018
-2.224
0.457
-1.439
BB_G31C32:G37C38_BB
21
2.263
-3.832
34.252
-2.106
-0.441
3.552
93.616
B
B
32
33
6.820
B
B
37
36
3.923
9.908
-2.198
-0.677
BB_C32U33:G36G37_BB
22
14.986
-10.315
92.273
-0.675
1.827
database_2
diffrn_source
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Advisory
Data collection
Database references
Derived calculations
1
0
2000-11-22
1
1
2008-04-27
1
2
2011-07-13
1
3
2011-12-28
1
4
2021-11-03
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2000-06-28
REL
MG
MAGNESIUM ION
NA
SODIUM ION
K
POTASSIUM ION
HOH
water
SEQUENCE OCCURS NATURALLY IN THERMUS THERMOPHILUS
sample
MG
1001
3
MG
MG
1001
B
MG
1002
3
MG
MG
1002
B
MG
1003
3
MG
MG
1003
B
MG
1004
3
MG
MG
1004
B
MG
1005
3
MG
MG
1005
B
MG
1006
3
MG
MG
1006
B
MG
1007
3
MG
MG
1007
B
MG
1008
3
MG
MG
1008
B
MG
1009
3
MG
MG
1009
B
NA
1010
4
NA
NA
1010
B
NA
1011
4
NA
NA
1011
B
K
1012
5
K
K
1012
A
HOH
2
6
HOH
HOH
1012
B
HOH
6
6
HOH
HOH
1013
B
HOH
8
6
HOH
HOH
1014
B
HOH
9
6
HOH
HOH
1015
B
HOH
10
6
HOH
HOH
1016
B
HOH
11
6
HOH
HOH
1017
B
HOH
12
6
HOH
HOH
1018
B
HOH
13
6
HOH
HOH
1019
B
HOH
14
6
HOH
HOH
1020
B
HOH
15
6
HOH
HOH
1021
B
HOH
16
6
HOH
HOH
1022
B
HOH
17
6
HOH
HOH
1023
B
HOH
18
6
HOH
HOH
1024
B
HOH
19
6
HOH
HOH
1025
B
HOH
20
6
HOH
HOH
1026
B
HOH
23
6
HOH
HOH
1027
B
HOH
24
6
HOH
HOH
1028
B
HOH
25
6
HOH
HOH
1029
B
HOH
26
6
HOH
HOH
1030
B
HOH
27
6
HOH
HOH
1031
B
HOH
1
6
HOH
HOH
1013
A
HOH
3
6
HOH
HOH
1014
A
HOH
4
6
HOH
HOH
1015
A
HOH
5
6
HOH
HOH
1016
A
HOH
7
6
HOH
HOH
1017
A
HOH
21
6
HOH
HOH
1018
A
HOH
22
6
HOH
HOH
1019
A
G
1
n
1
G
1
B
G
2
n
2
G
2
B
G
3
n
3
G
3
B
C
4
n
4
C
4
B
G
5
n
5
G
5
B
G
6
n
6
G
6
B
C
7
n
7
C
7
B
C
8
n
8
C
8
B
U
9
n
9
U
9
B
U
10
n
10
U
10
B
C
11
n
11
C
11
B
G
12
n
12
G
12
B
G
13
n
13
G
13
B
G
14
n
14
G
14
B
C
15
n
15
C
15
B
U
16
n
16
U
16
B
A
17
n
17
A
17
B
G
18
n
18
G
18
B
A
19
n
19
A
19
B
C
20
n
20
C
20
B
G
21
n
21
G
21
B
G
22
n
22
G
22
B
U
23
n
23
U
23
B
G
24
n
24
G
24
B
G
25
n
25
G
25
B
G
26
n
26
G
26
B
A
27
n
27
A
27
B
G
28
n
28
G
28
B
A
29
n
29
A
29
B
G
30
n
30
G
30
B
G
31
n
31
G
31
B
C
32
n
32
C
32
B
U
33
n
33
U
33
B
U
34
n
34
U
34
B
C
35
n
35
C
35
B
G
36
n
36
G
36
B
G
37
n
37
G
37
B
C
38
n
38
C
38
B
U
39
n
39
U
39
B
G
40
n
40
G
40
B
G
41
n
41
G
41
B
U
42
n
42
U
42
B
C
43
n
43
C
43
B
C
44
n
44
C
44
B
A
45
n
45
A
45
B
C
46
n
46
C
46
B
C
47
n
47
C
47
B
C
48
n
48
C
48
B
G
49
n
49
G
49
B
U
50
n
50
U
50
B
G
51
n
51
G
51
B
A
52
n
52
A
52
B
C
53
n
53
C
53
B
G
54
n
54
G
54
B
C
55
n
55
C
55
B
U
56
n
56
U
56
B
C
57
n
57
C
57
B
n
1
0
A
PRO
1
n
2
PRO
1
A
ILE
2
n
3
ILE
2
A
THR
3
n
4
THR
3
A
LYS
4
n
5
LYS
4
A
GLU
5
n
6
GLU
5
A
GLU
6
n
7
GLU
6
A
LYS
7
n
8
LYS
7
A
GLN
8
n
9
GLN
8
A
LYS
9
n
10
LYS
9
A
VAL
10
n
11
VAL
10
A
MSE
11
n
12
MSE
11
A
GLN
12
n
13
GLN
12
A
GLU
13
n
14
GLU
13
A
PHE
14
n
15
PHE
14
A
ALA
15
n
16
ALA
15
A
ARG
16
n
17
ARG
16
A
PHE
17
n
18
PHE
17
A
PRO
18
n
19
PRO
18
A
GLY
19
n
20
GLY
19
A
ASP
20
n
21
ASP
20
A
THR
21
n
22
THR
21
A
GLY
22
n
23
GLY
22
A
SER
23
n
24
SER
23
A
THR
24
n
25
THR
24
A
GLU
25
n
26
GLU
25
A
VAL
26
n
27
VAL
26
A
GLN
27
n
28
GLN
27
A
VAL
28
n
29
VAL
28
A
ALA
29
n
30
ALA
29
A
LEU
30
n
31
LEU
30
A
LEU
31
n
32
LEU
31
A
THR
32
n
33
THR
32
A
LEU
33
n
34
LEU
33
A
ARG
34
n
35
ARG
34
A
ILE
35
n
36
ILE
35
A
ASN
36
n
37
ASN
36
A
ARG
37
n
38
ARG
37
A
LEU
38
n
39
LEU
38
A
SER
39
n
40
SER
39
A
GLU
40
n
41
GLU
40
A
HIS
41
n
42
HIS
41
A
LEU
42
n
43
LEU
42
A
LYS
43
n
44
LYS
43
A
VAL
44
n
45
VAL
44
A
HIS
45
n
46
HIS
45
A
LYS
46
n
47
LYS
46
A
LYS
47
n
48
LYS
47
A
ASP
48
n
49
ASP
48
A
HIS
49
n
50
HIS
49
A
HIS
50
n
51
HIS
50
A
SER
51
n
52
SER
51
A
HIS
52
n
53
HIS
52
A
ARG
53
n
54
ARG
53
A
GLY
54
n
55
GLY
54
A
LEU
55
n
56
LEU
55
A
LEU
56
n
57
LEU
56
A
MSE
57
n
58
MSE
57
A
MSE
58
n
59
MSE
58
A
VAL
59
n
60
VAL
59
A
GLY
60
n
61
GLY
60
A
GLN
61
n
62
GLN
61
A
ARG
62
n
63
ARG
62
A
ARG
63
n
64
ARG
63
A
ARG
64
n
65
ARG
64
A
LEU
65
n
66
LEU
65
A
LEU
66
n
67
LEU
66
A
ARG
67
n
68
ARG
67
A
TYR
68
n
69
TYR
68
A
LEU
69
n
70
LEU
69
A
GLN
70
n
71
GLN
70
A
ARG
71
n
72
ARG
71
A
GLU
72
n
73
GLU
72
A
ASP
73
n
74
ASP
73
A
PRO
74
n
75
PRO
74
A
GLU
75
n
76
GLU
75
A
ARG
76
n
77
ARG
76
A
TYR
77
n
78
TYR
77
A
ARG
78
n
79
ARG
78
A
MSE
79
n
80
MSE
79
A
LEU
80
n
81
LEU
80
A
ILE
81
n
82
ILE
81
A
GLU
82
n
83
GLU
82
A
LYS
83
n
84
LYS
83
A
LEU
84
n
85
LEU
84
A
GLY
85
n
86
GLY
85
A
ILE
86
n
87
ILE
86
A
n
88
87
A
n
89
88
A
author_defined_assembly
2
dimeric
A
MSE
11
SELENOMETHIONINE
B
MSE
12
MET
A
MSE
57
SELENOMETHIONINE
B
MSE
58
MET
A
MSE
58
SELENOMETHIONINE
B
MSE
59
MET
A
MSE
79
SELENOMETHIONINE
B
MSE
80
MET
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
B
HOH
1012
O
HOH
1
A
MET
0
B
MET
1
1
Y
1
A
ARG
87
B
ARG
88
1
Y
1
A
GLY
88
B
GLY
89
1
Y
1
B
C3'
G
5
PLANAR
1
B
C3'
A
52
PLANAR
1
B
U
16
0.065
SIDE CHAIN
1
B
B
O3'
P
G
A
26
27
2.66
B
1
B
B
O3'
P
A
G
29
30
2.20
A
1
12.86
2.00
113.00
125.86
B
B
B
C4'
C3'
O3'
G
G
G
5
5
5
N
1
13.07
1.60
113.70
126.77
B
B
B
C2'
C3'
O3'
G
G
G
5
5
5
N
1
15.81
1.60
113.70
129.51
B
B
B
C2'
C3'
O3'
A
A
A
52
52
52
N
1
B
B
O2'
OP1
A
A
29
45
2.05
A
1_555
11_556
1
A
ILE
2
75.66
-71.23
1
A
THR
3
76.44
163.80
1
A
GLU
5
-66.63
21.70
1
A
GLU
6
-148.17
-67.93
1
A
PRO
18
-51.76
80.91
1
A
THR
21
-140.64
-0.02
1
A
SER
23
-86.87
37.03
1
A
THR
24
71.25
-59.26
1
A
ALA
29
-49.64
-72.68
1
A
LEU
42
-39.20
-30.90
1
A
HIS
45
-116.74
79.89
1
A
HIS
49
61.40
-69.22
1
A
ASP
73
-151.12
71.53
1
A
ILE
81
-58.15
-1.64
1
A
LYS
83
59.65
4.27
1
A
LEU
84
-155.14
-44.57
LUC.PARAM
DNA-RNA.TOP
WATER_REP.PARA
WATER.TOP
ION2.PARAM
ION.TOP
PROTEIN_REP.PA
61.5
-5.97
2.60
0.00
-5.97
0.00
11.95
0.2890000
0.011
0.2220000
0.2220000
2.80
8.00
640
7679
8.3
98.1
RANDOM
578374.93
0.00
1
RESTRAINED
THROUGHOUT
2.0
FLAT MODEL
85.64
0.420
0.50
0.36
8.00
0.37
0.28
2.80
8.00
27
1981
12
1221
721
0.006
1.3
16.4
1.97
4.34
1.50
6.73
2.00
6.69
2.00
9.17
2.50
0.4420000
0.044
0.3460000
2.97
101
1078
6
8.6
92.3
2.8
20.0
1F7Y
8164
0
0
0.0380000
1
8.1
99.9
0.2090000
2.80
2.90
1
8.3
99.5
phasing
SHARP
refinement
CNS
0.4
data reduction
DENZO
data scaling
SCALEPACK
THE CRYSTAL STRUCTURE OF TWO UUCG LOOPS HIGHLIGHTS THE ROLE PLAYED BY 2'-HYDROXYL GROUPS IN ITS UNUSUAL STABILITY
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
4
N
N
4
N
N
5
N
N
6
N
N
6
N
N
A
THR
3
B
THR
4
HELX_P
A
ALA
15
B
ALA
16
1
1
13
A
THR
24
B
THR
25
HELX_P
A
HIS
45
B
HIS
46
1
2
22
A
HIS
49
B
HIS
50
HELX_P
A
ASP
73
B
ASP
74
1
3
25
A
ASP
73
B
ASP
74
HELX_P
A
ILE
81
B
ILE
82
1
4
9
covale
1.333
both
A
VAL
10
B
C
VAL
11
1_555
A
MSE
11
B
N
MSE
12
1_555
covale
1.327
both
A
MSE
11
B
C
MSE
12
1_555
A
GLN
12
B
N
GLN
13
1_555
covale
1.332
both
A
LEU
56
B
C
LEU
57
1_555
A
MSE
57
B
N
MSE
58
1_555
covale
1.332
both
A
MSE
57
B
C
MSE
58
1_555
A
MSE
58
B
N
MSE
59
1_555
covale
1.334
both
A
MSE
58
B
C
MSE
59
1_555
A
VAL
59
B
N
VAL
60
1_555
covale
1.327
both
A
ARG
78
B
C
ARG
79
1_555
A
MSE
79
B
N
MSE
80
1_555
covale
1.329
both
A
MSE
79
B
C
MSE
80
1_555
A
LEU
80
B
N
LEU
81
1_555
metalc
3.095
B
G
49
A
N7
G
49
1_555
B
MG
1003
E
MG
MG
1_555
metalc
2.909
B
NA
1010
L
NA
NA
1_555
B
HOH
1026
O
O
HOH
1_555
metalc
3.089
A
HIS
50
B
NE2
HIS
51
1_555
A
K
1012
N
K
K
1_555
hydrog
WATSON-CRICK
B
G
1
A
N1
G
1
1_555
B
C
57
A
N3
C
57
1_555
hydrog
WATSON-CRICK
B
G
1
A
N2
G
1
1_555
B
C
57
A
O2
C
57
1_555
hydrog
WATSON-CRICK
B
G
1
A
O6
G
1
1_555
B
C
57
A
N4
C
57
1_555
hydrog
TYPE_28_PAIR
B
G
2
A
N1
G
2
1_555
B
U
56
A
O2
U
56
1_555
hydrog
TYPE_28_PAIR
B
G
2
A
O6
G
2
1_555
B
U
56
A
N3
U
56
1_555
hydrog
WATSON-CRICK
B
G
3
A
N1
G
3
1_555
B
C
55
A
N3
C
55
1_555
hydrog
WATSON-CRICK
B
G
3
A
N2
G
3
1_555
B
C
55
A
O2
C
55
1_555
hydrog
WATSON-CRICK
B
G
3
A
O6
G
3
1_555
B
C
55
A
N4
C
55
1_555
hydrog
WATSON-CRICK
B
C
4
A
N3
C
4
1_555
B
G
54
A
N1
G
54
1_555
hydrog
WATSON-CRICK
B
C
4
A
N4
C
4
1_555
B
G
54
A
O6
G
54
1_555
hydrog
WATSON-CRICK
B
C
4
A
O2
C
4
1_555
B
G
54
A
N2
G
54
1_555
hydrog
WATSON-CRICK
B
G
6
A
N1
G
6
1_555
B
C
15
A
N3
C
15
1_555
hydrog
WATSON-CRICK
B
G
6
A
N2
G
6
1_555
B
C
15
A
O2
C
15
1_555
hydrog
WATSON-CRICK
B
G
6
A
O6
G
6
1_555
B
C
15
A
N4
C
15
1_555
hydrog
WATSON-CRICK
B
C
7
A
N3
C
7
1_555
B
G
14
A
N1
G
14
1_555
hydrog
WATSON-CRICK
B
C
7
A
N4
C
7
1_555
B
G
14
A
O6
G
14
1_555
hydrog
WATSON-CRICK
B
C
7
A
O2
C
7
1_555
B
G
14
A
N2
G
14
1_555
hydrog
WATSON-CRICK
B
C
8
A
N3
C
8
1_555
B
G
13
A
N1
G
13
1_555
hydrog
WATSON-CRICK
B
C
8
A
N4
C
8
1_555
B
G
13
A
O6
G
13
1_555
hydrog
WATSON-CRICK
B
C
8
A
O2
C
8
1_555
B
G
13
A
N2
G
13
1_555
hydrog
U-G MISPAIR
B
U
9
A
O2
U
9
1_555
B
G
12
A
N1
G
12
1_555
hydrog
REVERSED HOOGSTEEN
B
U
16
A
N3
U
16
1_555
B
A
52
A
N7
A
52
1_555
hydrog
REVERSED HOOGSTEEN
B
U
16
A
O2
U
16
1_555
B
A
52
A
N6
A
52
1_555
hydrog
G-G MISPAIR
B
G
18
A
O6
G
18
1_555
B
G
51
A
N2
G
51
1_555
hydrog
WATSON-CRICK
B
G
18
A
N1
G
18
1_555
B
C
53
A
N3
C
53
1_555
hydrog
WATSON-CRICK
B
G
18
A
N2
G
18
1_555
B
C
53
A
O2
C
53
1_555
hydrog
WATSON-CRICK
B
G
18
A
O6
G
18
1_555
B
C
53
A
N4
C
53
1_555
hydrog
WATSON-CRICK
B
A
19
A
N1
A
19
1_555
B
U
50
A
N3
U
50
1_555
hydrog
WATSON-CRICK
B
A
19
A
N6
A
19
1_555
B
U
50
A
O4
U
50
1_555
hydrog
WATSON-CRICK
B
C
20
A
N3
C
20
1_555
B
G
49
A
N1
G
49
1_555
hydrog
WATSON-CRICK
B
C
20
A
N4
C
20
1_555
B
G
49
A
O6
G
49
1_555
hydrog
WATSON-CRICK
B
C
20
A
O2
C
20
1_555
B
G
49
A
N2
G
49
1_555
hydrog
WATSON-CRICK
B
G
21
A
N1
G
21
1_555
B
C
48
A
N3
C
48
1_555
hydrog
WATSON-CRICK
B
G
21
A
N2
G
21
1_555
B
C
48
A
O2
C
48
1_555
hydrog
WATSON-CRICK
B
G
21
A
O6
G
21
1_555
B
C
48
A
N4
C
48
1_555
hydrog
WATSON-CRICK
B
G
22
A
N1
G
22
1_555
B
C
46
A
N3
C
46
1_555
hydrog
WATSON-CRICK
B
G
22
A
N2
G
22
1_555
B
C
46
A
O2
C
46
1_555
hydrog
WATSON-CRICK
B
G
22
A
O6
G
22
1_555
B
C
46
A
N4
C
46
1_555
hydrog
WATSON-CRICK
B
U
23
A
N3
U
23
1_555
B
A
45
A
N1
A
45
1_555
hydrog
WATSON-CRICK
B
U
23
A
O4
U
23
1_555
B
A
45
A
N6
A
45
1_555
hydrog
WATSON-CRICK
B
G
24
A
N1
G
24
1_555
B
C
44
A
N3
C
44
1_555
hydrog
WATSON-CRICK
B
G
24
A
N2
G
24
1_555
B
C
44
A
O2
C
44
1_555
hydrog
WATSON-CRICK
B
G
24
A
O6
G
24
1_555
B
C
44
A
N4
C
44
1_555
hydrog
WATSON-CRICK
B
G
25
A
N1
G
25
1_555
B
C
43
A
N3
C
43
1_555
hydrog
WATSON-CRICK
B
G
25
A
N2
G
25
1_555
B
C
43
A
O2
C
43
1_555
hydrog
WATSON-CRICK
B
G
25
A
O6
G
25
1_555
B
C
43
A
N4
C
43
1_555
hydrog
TYPE_28_PAIR
B
G
26
A
N1
G
26
1_555
B
U
42
A
O2
U
42
1_555
hydrog
TYPE_28_PAIR
B
G
26
A
O6
G
26
1_555
B
U
42
A
N3
U
42
1_555
hydrog
TYPE_8_PAIR
A
B
A
27
A
N1
A
27
1_555
B
G
41
A
N1
G
41
1_555
hydrog
TYPE_8_PAIR
A
B
A
27
A
N6
A
27
1_555
B
G
41
A
O6
G
41
1_555
hydrog
G-G MISPAIR
A
B
G
28
A
N2
G
28
1_555
B
G
40
A
O6
G
40
1_555
hydrog
TYPE_28_PAIR
B
G
30
A
N1
G
30
1_555
B
U
39
A
O2
U
39
1_555
hydrog
TYPE_28_PAIR
B
G
30
A
O6
G
30
1_555
B
U
39
A
N3
U
39
1_555
hydrog
WATSON-CRICK
B
G
31
A
N1
G
31
1_555
B
C
38
A
N3
C
38
1_555
hydrog
WATSON-CRICK
B
G
31
A
N2
G
31
1_555
B
C
38
A
O2
C
38
1_555
hydrog
WATSON-CRICK
B
G
31
A
O6
G
31
1_555
B
C
38
A
N4
C
38
1_555
hydrog
WATSON-CRICK
B
C
32
A
N3
C
32
1_555
B
G
37
A
N1
G
37
1_555
hydrog
WATSON-CRICK
B
C
32
A
N4
C
32
1_555
B
G
37
A
O6
G
37
1_555
hydrog
WATSON-CRICK
B
C
32
A
O2
C
32
1_555
B
G
37
A
N2
G
37
1_555
hydrog
U-G MISPAIR
B
U
33
A
O2
U
33
1_555
B
G
36
A
N1
G
36
1_555
hydrog
G-C PAIR
B
G
51
A
N3
G
51
1_555
B
C
53
A
N4
C
53
1_555
RIBOSOME
UUCG, TETRALOOP, RNA, RIBOSOME
RS15_THETH
UNP
2
P80378
1F7Y
PDB
1
1F7Y
1
89
1F7Y
0
88
P80378
A
1
1
89
1
57
1F7Y
1
57
1F7Y
B
2
1
57
1
ILE
engineered mutation
MSE
11
1F7Y
A
P80378
UNP
12
12
1
MET
engineered mutation
MSE
57
1F7Y
A
P80378
UNP
58
58
1
MET
engineered mutation
MSE
58
1F7Y
A
P80378
UNP
59
59
1
ALA
engineered mutation
MSE
79
1F7Y
A
P80378
UNP
80
80
BINDING SITE FOR RESIDUE MG B 1002
B
MG
1002
Software
1
BINDING SITE FOR RESIDUE MG B 1003
B
MG
1003
Software
2
BINDING SITE FOR RESIDUE MG B 1006
B
MG
1006
Software
1
BINDING SITE FOR RESIDUE MG B 1008
B
MG
1008
Software
1
BINDING SITE FOR RESIDUE MG B 1009
B
MG
1009
Software
1
BINDING SITE FOR RESIDUE NA B 1010
B
NA
1010
Software
1
BINDING SITE FOR RESIDUE NA B 1011
B
NA
1011
Software
1
BINDING SITE FOR RESIDUE K A 1012
A
K
1012
Software
1
B
G
26
A
G
26
1
1_555
B
C
48
A
C
48
2
1_555
B
G
49
A
G
49
2
1_555
B
U
39
A
U
39
1
1_555
B
G
21
A
G
21
1
1_555
B
A
52
A
A
52
1
1_555
B
HOH
1026
O
HOH
1
1_555
A
LEU
56
B
LEU
57
1
11_556
A
HIS
50
B
HIS
51
1
1_555
181
hexagonal
P 64 2 2