1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Rife, J.P.
Moore, P.B.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C11 H16 N5 O8 P
377.247
n
2N-METHYLGUANOSINE-5'-MONOPHOSPHATE
RNA linking
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
C12 H18 N5 O7 P
375.274
n
6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE
RNA linking
C9 H13 N2 O9 P
324.181
y
URIDINE-5'-MONOPHOSPHATE
RNA linking
UK
Structure
STRUE6
2005
0969-2126
6
747
756
10.1016/S0969-2126(98)00076-8
9655826
The structure of a methylated tetraloop in 16S ribosomal RNA.
1998
10.2210/pdb1wts/pdb
pdb_00001wts
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
WITHIN THE TETRALOOP ARE THREE METHYLATED NUCLEOTIDES, N(2)-METHYLGUANOSINE AND TWO N(6),N(6)-DIMETHYLADENOSINES
4610.919
RNA (5'-R(*GP*GP*AP*CP*CP*2MGP*GP*MA6P*MA6P*GP*GP*UP*CP*C)-3')
HELIX 45 STEM-LOOP
1
syn
polymer
no
yes
GGACC(2MG)G(MA6)(MA6)GGUCC
GGACCGGAAGGUCC
A
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
1.496
1
19
A
1
A
14
-4.101
A_G1:C14_A
1
6.060
-0.253
-0.141
-0.210
9.501
1
19
A
2
A
13
-1.820
A_G2:C13_A
2
-2.714
-0.802
-0.131
-0.330
11.809
1
20
A
3
A
12
2.665
A_A3:U12_A
3
-3.213
-0.274
-0.042
-0.141
-0.179
1
19
A
4
A
11
-2.670
A_C4:G11_A
4
-2.185
0.069
-0.214
-0.169
-4.841
1
19
A
5
A
10
-0.264
A_C5:G10_A
5
-1.247
0.624
0.129
-0.186
-37.733
A
6
A
9
-90.113
A_2MG6:MA69_A
6
28.793
0.789
-1.790
1.872
2.386
23.149
A
A
1
2
25.109
A
A
14
13
3.211
9.758
-0.171
-1.223
AA_G1G2:C13C14_AA
1
1.782
-4.586
20.942
-6.097
0.984
1.948
35.889
A
A
2
3
20.740
A
A
13
12
3.007
12.390
-0.028
-2.358
AA_G2A3:U12C13_AA
2
-9.166
15.343
32.511
-5.241
-1.001
2.707
31.779
A
A
3
4
12.673
A
A
12
11
3.354
6.887
-0.400
-2.653
AA_A3C4:G11U12_AA
3
0.763
-1.404
31.034
-6.029
0.861
2.777
30.163
A
A
4
5
11.051
A
A
11
10
3.235
5.717
0.310
-2.111
AA_C4C5:G10G11_AA
4
-0.891
1.722
29.616
-5.136
-0.763
3.894
86.333
A
A
5
6
1.804
A
A
10
9
3.973
2.445
0.389
-2.544
AA_C52MG6:MA69G10_AA
5
24.815
-18.306
83.341
-1.927
0.400
database_2
pdbx_database_status
pdbx_nmr_exptl_sample_conditions
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Experimental preparation
Other
1
0
1999-01-27
1
1
2008-03-24
1
2
2011-07-13
1
3
2022-03-02
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_nmr_exptl_sample_conditions.pressure_units
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
ENSEMBLE OF 11 STRUCTURES
Y
BNL
1998-06-26
REL
NUCLEOTIDES 3-12 CORRESPOND TO NATIVE SEQUENCE
sample
THIS REPRESENTATIVE MODEL WAS DETERMINED WITH A VARIETY OF TWO-DIMENSIONAL HOMONUCLEAR AND HETERONUCLEAR NMR SPECTROSCOPY ON AN UNLABELED MOLECULE.
NO RESTRAINT VIOLATION
1
1
NOESY
COSY
1H-31P HCOSY
1H-31P HTOCSY
1H-31P HTOCSY-NOESY
1H-13C HMQC
50 mM NACL
6.5
1
atm
303
K
TORSIONAL ANGLE MOLECULAR DYNAMICS, MOLECULAR DYNAMICS
1
WATER
BRUNGER
refinement
X-PLOR
structure solution
X-PLOR
500
Varian
UNITY 500
600
GE
UNITYPLUS 600
600
GE
OMEGA 500
G
1
n
1
G
1
A
G
2
n
2
G
2
A
A
3
n
3
A
3
A
C
4
n
4
C
4
A
C
5
n
5
C
5
A
2MG
6
n
6
2MG
6
A
G
7
n
7
G
7
A
MA6
8
n
8
MA6
8
A
MA6
9
n
9
MA6
9
A
G
10
n
10
G
10
A
G
11
n
11
G
11
A
U
12
n
12
U
12
A
C
13
n
13
C
13
A
C
14
n
14
C
14
A
author_defined_assembly
1
monomeric
A
2MG
6
2N-METHYLGUANOSINE-5'-MONOPHOSPHATE
A
2MG
6
G
A
MA6
8
6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE
A
MA6
8
A
A
MA6
9
6N-DIMETHYLADENOSINE-5'-MONOPHOSHATE
A
MA6
9
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
A
HO2'
O4'
G
G
1
2
1.57
1
4.09
0.60
123.90
127.99
A
A
A
N1
C2
N3
G
G
G
2
2
2
N
1
-6.06
0.70
119.90
113.84
A
A
A
N3
C2
N2
G
G
G
2
2
2
N
1
-4.52
0.70
101.30
96.78
A
A
A
C3'
C2'
C1'
A
A
A
3
3
3
N
1
-2.81
0.40
120.30
117.49
A
A
A
C6
N1
C2
C
C
C
4
4
4
N
1
5.02
0.70
108.50
113.52
A
A
A
O4'
C1'
N1
C
C
C
5
5
5
N
1
-2.48
0.40
120.30
117.82
A
A
A
C6
N1
C2
C
C
C
5
5
5
N
1
-4.24
0.70
121.90
117.66
A
A
A
N3
C2
O2
C
C
C
5
5
5
N
1
-4.48
0.70
118.00
113.52
A
A
A
N3
C4
N4
C
C
C
5
5
5
N
1
3.72
0.60
123.90
127.62
A
A
A
N1
C2
N3
G
G
G
7
7
7
N
1
-5.59
0.70
119.90
114.31
A
A
A
N3
C2
N2
G
G
G
7
7
7
N
1
-4.39
0.60
119.90
115.51
A
A
A
N1
C6
O6
G
G
G
7
7
7
N
1
6.01
0.90
109.80
115.81
A
A
A
C5'
C4'
O4'
G
G
G
10
10
10
N
1
-5.21
0.70
119.90
114.69
A
A
A
N3
C2
N2
G
G
G
10
10
10
N
1
-3.64
0.60
119.90
116.26
A
A
A
N1
C6
O6
G
G
G
10
10
10
N
1
-5.03
0.70
101.30
96.27
A
A
A
C3'
C2'
C1'
G
G
G
11
11
11
N
1
3.69
0.60
123.90
127.59
A
A
A
N1
C2
N3
G
G
G
11
11
11
N
1
-3.84
0.60
119.90
116.06
A
A
A
N1
C6
O6
G
G
G
11
11
11
N
1
2.81
0.40
121.90
124.71
A
A
A
N3
C4
C5
C
C
C
13
13
13
N
1
9.78
0.70
108.50
118.28
A
A
A
O4'
C1'
N1
C
C
C
14
14
14
N
1
2.82
0.40
121.90
124.72
A
A
A
N3
C4
C5
C
C
C
14
14
14
N
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
HELIX 45 (16S RRNA) FROM B. STEAROTHERMOPHILUS, NMR, MINIMIZED AVERAGE STRUCTURE
1
N
N
covale
1.615
both
A
C
5
A
O3'
C
5
1_555
A
2MG
6
A
P
2MG
6
1_555
covale
1.613
both
A
2MG
6
A
O3'
2MG
6
1_555
A
G
7
A
P
G
7
1_555
covale
1.620
both
A
G
7
A
O3'
G
7
1_555
A
MA6
8
A
P
MA6
8
1_555
covale
1.612
both
A
MA6
8
A
O3'
MA6
8
1_555
A
MA6
9
A
P
MA6
9
1_555
covale
1.611
both
A
MA6
9
A
O3'
MA6
9
1_555
A
G
10
A
P
G
10
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
A
C
14
A
N3
C
14
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
A
C
14
A
O2
C
14
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
A
C
14
A
N4
C
14
1_555
hydrog
WATSON-CRICK
A
G
2
A
N1
G
2
1_555
A
C
13
A
N3
C
13
1_555
hydrog
WATSON-CRICK
A
G
2
A
N2
G
2
1_555
A
C
13
A
O2
C
13
1_555
hydrog
WATSON-CRICK
A
G
2
A
O6
G
2
1_555
A
C
13
A
N4
C
13
1_555
hydrog
WATSON-CRICK
A
A
3
A
N1
A
3
1_555
A
U
12
A
N3
U
12
1_555
hydrog
WATSON-CRICK
A
A
3
A
N6
A
3
1_555
A
U
12
A
O4
U
12
1_555
hydrog
WATSON-CRICK
A
C
4
A
N3
C
4
1_555
A
G
11
A
N1
G
11
1_555
hydrog
WATSON-CRICK
A
C
4
A
N4
C
4
1_555
A
G
11
A
O6
G
11
1_555
hydrog
WATSON-CRICK
A
C
4
A
O2
C
4
1_555
A
G
11
A
N2
G
11
1_555
hydrog
WATSON-CRICK
A
C
5
A
N3
C
5
1_555
A
G
10
A
N1
G
10
1_555
hydrog
WATSON-CRICK
A
C
5
A
N4
C
5
1_555
A
G
10
A
O6
G
10
1_555
hydrog
WATSON-CRICK
A
C
5
A
O2
C
5
1_555
A
G
10
A
N2
G
10
1_555
hydrog
2MG-MA6 MISPAIR
A
2MG
6
A
N2
2MG
6
1_555
A
MA6
9
A
N7
MA6
9
1_555
RNA
RIBONUCLEIC ACID, RIBOSOME, RNA, 16S, MODIFIED NUCLEOTIDES, TETRALOOP
1WTS
PDB
1
1WTS
1
14
1WTS
1
14
1WTS
A
1
1
14
1
P 1