1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Snoussi, K.
Nonin-Lecomte, S.
Lerou, J.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C9 H14 N3 O8 P
323.197
y
CYTIDINE-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
N
14
N
N
N
15
N
C
N
16
N
O
N
17
N
N
N
18
N
C
N
19
N
N
N
20
N
C
N
21
N
C
N
22
N
H
N
23
N
H
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
O
N
37
N
P
N
38
N
O
N
39
N
O
N
40
N
O
N
41
N
C
N
42
R
C
N
43
N
O
N
44
S
C
N
45
N
O
N
46
R
C
N
47
N
O
N
48
R
C
N
49
N
N
N
50
N
C
N
51
N
O
N
52
N
N
N
53
N
C
N
54
N
O
N
55
N
C
N
56
N
C
N
57
N
H
N
58
N
H
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
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
N
25
N
sing
N
26
N
sing
N
27
N
doub
N
28
N
sing
N
29
N
doub
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
sing
N
34
N
doub
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
doub
N
40
N
sing
N
41
N
sing
N
42
N
sing
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
doub
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
doub
N
68
N
sing
N
69
N
doub
N
70
N
sing
N
71
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
309
139
153
10.1006/jmbi.2001.4618
11491284
The RNA i-motif.
2001
10.2210/pdb1i9k/pdb
pdb_00001i9k
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1787.117
5'-R(*UP*CP*CP*CP*CP*C)-3'
4
syn
polymer
no
no
UCCCCC
UCCCCC
A,B,C,D
polyribonucleotide
n
n
n
n
n
n
-1.192
2
12
A
1
C
1
-178.984
A_U1:U1_C
1
58.450
-1.143
-0.040
0.857
24.501
2
15
A
2
C
2
-179.636
A_C2:C2_C
2
15.913
-2.338
-0.082
-2.103
-7.716
2
15
D
6
B
6
179.455
D_C6:C6_B
3
-9.274
1.890
0.027
1.319
-16.357
2
15
A
3
C
3
-179.152
A_C3:C3_C
4
6.046
-2.298
-0.099
-1.945
1.208
2
15
D
5
B
5
-179.975
D_C5:C5_B
5
10.471
-2.440
-0.253
-2.184
5.226
2
15
A
4
C
4
179.845
A_C4:C4_C
6
0.556
2.499
0.061
2.203
-4.845
2
15
D
4
B
4
-179.972
D_C4:C4_B
7
-1.980
-2.479
0.025
-2.178
-0.924
2
15
A
5
C
5
179.975
A_C5:C5_C
8
-13.029
2.418
-0.006
2.184
-16.015
2
15
D
3
B
3
-179.912
D_C3:C3_B
9
5.454
-2.363
-0.005
-2.045
-7.603
2
15
A
6
C
6
179.958
A_C6:C6_C
10
-8.231
1.886
-0.007
1.363
-22.749
2
15
D
2
B
2
179.784
D_C2:C2_B
11
-16.558
2.266
-0.015
1.947
2.602
2
12
D
1
B
1
179.430
D_U1:U1_B
12
-57.170
1.152
-0.020
-0.924
2.260
34.386
A
A
1
2
-0.837
C
C
1
2
2.260
-0.495
0.013
-0.030
AA_U1C2:C2U1_CC
1
0.278
-0.470
34.382
0.002
0.008
-0.163
179.033
A
D
2
6
63.509
C
B
2
6
-0.136
126.541
-2.041
-2.216
AD_C2C6:C6C2_BC
2
-126.561
63.519
40.378
-1.034
1.094
0.064
-179.500
D
A
6
3
-76.021
B
C
6
3
0.026
151.953
3.195
1.860
DA_C6C3:C3C6_CB
3
-94.145
-47.100
-132.654
-0.938
1.593
-0.110
-178.432
A
D
3
5
-58.054
C
B
3
5
-0.101
115.639
-1.673
2.046
AD_C3C5:C5C3_BC
4
135.236
67.892
-81.181
-0.992
-0.874
0.005
-178.870
D
A
5
4
74.080
B
C
5
4
0.056
-147.915
-2.702
-1.906
DA_C5C4:C4C5_CB
5
98.446
49.305
-121.646
0.959
-1.347
-0.023
179.878
A
D
4
4
66.453
C
B
4
4
-0.020
132.892
-2.361
-2.161
AD_C4C4:C4C4_BC
6
-120.829
60.421
143.562
-1.078
1.183
0.005
-179.888
D
A
4
5
-74.739
B
C
4
5
0.016
149.450
2.784
1.880
DA_C4C5:C5C4_CB
7
-99.951
-49.984
-114.636
-0.943
1.391
-0.001
-179.929
A
D
5
3
-68.592
C
B
5
3
0.003
137.152
-1.951
-1.652
AD_C5C3:C3C5_BC
8
-116.447
-58.237
-59.415
0.826
-0.976
-0.016
179.989
D
A
3
6
-76.843
B
C
3
6
-0.016
-153.685
-3.082
-1.872
DA_C3C6:C6C3_CB
9
93.365
-46.683
172.901
-0.937
1.541
0.004
179.973
A
D
6
2
63.179
C
B
6
2
-0.006
126.353
-2.107
2.164
AD_C6C2:C2C6_BC
10
128.119
-64.062
122.093
1.082
1.053
-2.309
-34.843
D
D
2
1
-0.066
B
B
2
1
-2.309
0.039
-0.001
-0.015
DD_C2U1:U1C2_BB
11
-0.111
-0.186
-34.843
0.029
0.010
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
2001-05-30
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
RCSB
Y
RCSB
2001-03-20
REL
REL
structures with the least restraint violations
50
1
2D NOESY
DQF-COSY
TOCSY
31P-1H HETERO-TOCSY
13C-1H HSQC
sodium counterion
4.3
ambient
270
K
NMR-based simulated annealing
9.8 mM of unlabeled DNA
Brunger, A.T.
refinement
X-PLOR
3.851
processing
Felix
98
collection
VNMR
6.2
data analysis
MOLMOL
2.4
data analysis
Curves
500
Varian
INOVA
U
0
n
1
U
1
A
C
0
n
2
C
2
A
C
0
n
3
C
3
A
C
0
n
4
C
4
A
C
0
n
5
C
5
A
C
0
n
6
C
6
A
U
0
n
1
U
1
B
C
0
n
2
C
2
B
C
0
n
3
C
3
B
C
0
n
4
C
4
B
C
0
n
5
C
5
B
C
0
n
6
C
6
B
U
0
n
1
U
1
C
C
0
n
2
C
2
C
C
0
n
3
C
3
C
C
0
n
4
C
4
C
C
0
n
5
C
5
C
C
0
n
6
C
6
C
U
0
n
1
U
1
D
C
0
n
2
C
2
D
C
0
n
3
C
3
D
C
0
n
4
C
4
D
C
0
n
5
C
5
D
C
0
n
6
C
6
D
author_defined_assembly
4
tetrameric
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
C
O2'
O2'
C
C
3
5
2.16
1
A
D
O2'
O2'
C
C
5
3
2.16
1
4.85
0.80
101.50
106.35
A
A
A
C3'
C2'
C1'
U
U
U
1
1
1
N
1
4.88
0.80
101.50
106.38
B
B
B
C3'
C2'
C1'
U
U
U
1
1
1
N
1
4.89
0.80
101.50
106.39
C
C
C
C3'
C2'
C1'
U
U
U
1
1
1
N
1
4.87
0.80
101.50
106.37
D
D
D
C3'
C2'
C1'
U
U
U
1
1
1
N
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
THE RNA I-MOTIF
1
N
N
1
N
N
1
N
N
1
N
N
hydrog
TYPE_12_PAIR
A
U
1
A
N3
U
1
1_555
C
U
1
C
O4
U
1
1_555
hydrog
TYPE_12_PAIR
A
U
1
A
O4
U
1
1_555
C
U
1
C
N3
U
1
1_555
hydrog
TYPE_15_PAIR
A
C
2
A
N4
C
2
1_555
C
C
2
C
O2
C
2
1_555
hydrog
TYPE_15_PAIR
A
C
2
A
O2
C
2
1_555
C
C
2
C
N4
C
2
1_555
hydrog
TYPE_15_PAIR
A
C
3
A
N4
C
3
1_555
C
C
3
C
O2
C
3
1_555
hydrog
TYPE_15_PAIR
A
C
3
A
O2
C
3
1_555
C
C
3
C
N4
C
3
1_555
hydrog
TYPE_15_PAIR
A
C
4
A
N4
C
4
1_555
C
C
4
C
O2
C
4
1_555
hydrog
TYPE_15_PAIR
A
C
4
A
O2
C
4
1_555
C
C
4
C
N4
C
4
1_555
hydrog
TYPE_15_PAIR
A
C
5
A
N4
C
5
1_555
C
C
5
C
O2
C
5
1_555
hydrog
TYPE_15_PAIR
A
C
5
A
O2
C
5
1_555
C
C
5
C
N4
C
5
1_555
hydrog
TYPE_15_PAIR
A
C
6
A
N4
C
6
1_555
C
C
6
C
O2
C
6
1_555
hydrog
TYPE_15_PAIR
A
C
6
A
O2
C
6
1_555
C
C
6
C
N4
C
6
1_555
hydrog
TYPE_12_PAIR
B
U
1
B
N3
U
1
1_555
D
U
1
D
O4
U
1
1_555
hydrog
TYPE_12_PAIR
B
U
1
B
O4
U
1
1_555
D
U
1
D
N3
U
1
1_555
hydrog
TYPE_15_PAIR
B
C
2
B
N4
C
2
1_555
D
C
2
D
O2
C
2
1_555
hydrog
TYPE_15_PAIR
B
C
2
B
O2
C
2
1_555
D
C
2
D
N4
C
2
1_555
hydrog
TYPE_15_PAIR
B
C
3
B
N4
C
3
1_555
D
C
3
D
O2
C
3
1_555
hydrog
TYPE_15_PAIR
B
C
3
B
O2
C
3
1_555
D
C
3
D
N4
C
3
1_555
hydrog
TYPE_15_PAIR
B
C
4
B
N4
C
4
1_555
D
C
4
D
O2
C
4
1_555
hydrog
TYPE_15_PAIR
B
C
4
B
O2
C
4
1_555
D
C
4
D
N4
C
4
1_555
hydrog
TYPE_15_PAIR
B
C
5
B
N4
C
5
1_555
D
C
5
D
O2
C
5
1_555
hydrog
TYPE_15_PAIR
B
C
5
B
O2
C
5
1_555
D
C
5
D
N4
C
5
1_555
hydrog
TYPE_15_PAIR
B
C
6
B
N4
C
6
1_555
D
C
6
D
O2
C
6
1_555
hydrog
TYPE_15_PAIR
B
C
6
B
O2
C
6
1_555
D
C
6
D
N4
C
6
1_555
RNA
RNA, i-motif
1I9K
PDB
1
1I9K
1
6
1I9K
1
6
1I9K
A
1
1
6
1
6
1I9K
1
6
1I9K
B
1
1
6
1
6
1I9K
1
6
1I9K
C
1
1
6
1
6
1I9K
1
6
1I9K
D
1
1
6
1
P 1