0.021274
0.012282
0.000000
0.000000
0.024565
0.000000
0.000000
0.000000
0.002824
0.00000
0.00000
0.00000
Sheng, J.
Gan, J.
Soares, A.
Huang, Z.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
108
90.00
90.00
120.00
47.006
47.006
354.105
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
C9 H13 N2 O8 P Se
387.142
n
1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1H)-one
4-Se-ribouridine-5'-phosphate
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
145
N
P
N
146
N
N
N
147
N
C
N
148
N
O
N
149
N
N
N
150
N
C
N
151
N
SE
N
152
N
C
N
153
N
C
N
154
R
C
N
155
N
O
N
156
R
C
N
157
N
O
N
158
N
O
N
159
S
C
N
160
N
O
N
161
R
C
N
162
N
O
N
163
N
C
N
164
N
O
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
O
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
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
doub
N
155
N
sing
N
156
N
doub
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
doub
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
doub
UK
Nucleic Acids Res.
NARHAD
0389
0305-1048
41
10476
10487
10.1093/nar/gkt799
24013566
Structural insights of non-canonical U*U pair and Hoogsteen interaction probed with Se atom.
2013
10.2210/pdb4iqs/pdb
pdb_00004iqs
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
99
1
CCD
2009
ADSC QUANTUM 4
Si(111)
SINGLE WAVELENGTH
M
x-ray
1
0.9795
1.0
X12B
NSLS
0.9795
SYNCHROTRON
NSLS BEAMLINE X12B
2589.522
RNA (5'-R(*GP*UP*GP*(S5)P*AP*CP*AP*C)-3')
US5
4-Selenium Uridine
6
syn
polymer
no
yes
GUG(US5)ACAC
GUGUACAC
A,B,C,D,E,F
polyribonucleotide
n
n
n
n
n
n
n
n
1
2.42
49.23
VAPOR DIFFUSION, HANGING DROP
6
10% MPD, 40 mM Na Cacodylate pH 6.0, 12 mM Spermine tetra-HCl, 12 mM NaCl/80 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
3.909
1
19
B
6
A
3
3.294
B_C6:G3_A
1
-16.319
0.019
0.178
-0.062
6.802
1
20
B
7
A
2
2.036
B_A7:U2_A
2
-15.809
-0.214
-0.002
-0.107
5.506
1
19
B
8
A
1
-2.936
B_C8:G1_A
3
-9.972
-0.144
0.034
-0.289
-7.080
1
19
C
1
D
8
3.434
C_G1:C8_D
4
-7.956
-0.220
0.243
-0.102
-5.129
1
20
C
2
D
7
-3.524
C_U2:A7_D
5
-14.903
-0.400
0.052
-0.193
-5.068
1
19
C
3
D
6
3.341
C_G3:C6_D
6
-10.150
0.200
0.334
-0.137
-7.909
1
C
4
D
5
9.324
C_US54:A5_D
7
-11.655
0.349
0.654
-0.033
9.625
1
C
5
D
4
15.531
C_A5:US54_D
8
-14.485
-0.097
0.843
0.244
5.610
1
19
C
6
D
3
5.678
C_C6:G3_D
9
-17.923
-0.098
0.103
0.046
-4.276
1
20
C
7
D
2
6.905
C_A7:U2_D
10
-18.733
-0.167
-0.278
-0.159
6.799
1
19
C
8
D
1
-3.601
C_C8:G1_D
11
-5.226
-0.750
-0.271
-0.260
5.884
1
19
A
6
B
3
1.740
A_C6:G3_B
12
-16.988
0.038
0.112
-0.114
0.208
1
20
A
7
B
2
-2.111
A_A7:U2_B
13
-8.591
0.096
0.532
-0.126
7.546
1
19
A
8
B
1
-1.817
A_C8:G1_B
14
-12.259
-0.126
-0.148
-0.095
2.345
30.134
B
B
6
7
23.098
A
A
3
2
3.171
11.705
-0.330
-1.564
BB_C6A7:U2G3_AA
1
-0.926
1.828
27.801
-5.109
0.468
2.696
34.662
B
B
7
8
19.580
A
A
2
1
3.300
11.458
0.392
-1.360
BB_A7C8:G1U2_AA
2
0.804
-1.374
32.759
-3.944
-0.541
5.002
-20.547
B
C
8
1
-56.733
A
D
1
8
3.486
17.098
0.240
-3.698
BC_C8G1:C8G1_DA
3
-2.290
-7.598
-11.203
-2.391
-1.036
3.040
33.397
C
C
1
2
9.878
D
D
8
7
3.296
5.651
-0.547
-1.231
CC_G1U2:A7C8_DD
4
0.519
-0.907
32.925
-3.055
1.035
2.408
36.995
C
C
2
3
20.641
D
D
7
6
3.037
12.843
0.779
-1.333
CC_U2G3:C6A7_DD
5
-0.209
0.335
34.767
-3.587
-1.252
3.109
31.499
C
C
3
4
7.594
D
D
6
5
3.339
4.111
0.407
-1.464
CC_G3US54:A5C6_DD
6
-1.139
2.104
31.216
-3.456
-0.960
1.915
28.504
C
C
4
5
14.497
D
D
5
4
2.439
7.066
-0.038
-1.859
CC_US54A5:US54A5_DD
7
-0.494
1.014
27.627
-4.866
0.000
2.502
32.321
C
C
5
6
19.681
D
D
4
3
3.187
10.724
-0.547
-1.270
CC_A5C6:G3US54_DD
8
4.369
-8.017
30.227
-3.992
1.678
2.142
33.818
C
C
6
7
31.338
D
D
3
2
3.379
17.400
-0.184
-1.541
CC_C6A7:U2G3_DD
9
0.228
-0.412
29.109
-5.212
0.349
2.853
28.920
C
C
7
8
9.776
D
D
2
1
3.077
4.859
0.391
-1.025
CC_A7C8:G1U2_DD
10
-0.906
1.822
28.504
-3.036
-0.967
2.567
32.471
A
A
6
7
17.570
B
B
3
2
3.183
9.666
-0.224
-1.667
AA_C6A7:U2G3_BB
11
-3.312
6.020
30.862
-4.512
-0.123
2.939
31.942
A
A
7
8
4.355
B
B
2
1
3.053
2.380
0.262
-1.380
AA_A7C8:G1U2_BB
12
6.214
-11.370
31.259
-2.907
0.567
chem_comp_atom
chem_comp_bond
database_2
struct_conn
repository
Initial release
Data collection
Database references
Derived calculations
1
0
2013-12-25
1
1
2024-02-28
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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_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_comp_id
_struct_conn.ptnr2_label_seq_id
RCSB
Y
RCSB
2013-01-13
REL
REL
Synthesized by solid phase synthesizer and purified by HPLC
sample
G
1
n
1
G
1
A
U
2
n
2
U
2
A
G
3
n
3
G
3
A
SEU
4
n
4
US5
4
A
A
5
n
5
A
5
A
C
6
n
6
C
6
A
A
7
n
7
A
7
A
C
8
n
8
C
8
A
G
1
n
1
G
1
B
U
2
n
2
U
2
B
G
3
n
3
G
3
B
SEU
4
n
4
US5
4
B
A
5
n
5
A
5
B
C
6
n
6
C
6
B
A
7
n
7
A
7
B
C
8
n
8
C
8
B
G
1
n
1
G
1
C
U
2
n
2
U
2
C
G
3
n
3
G
3
C
SEU
4
n
4
US5
4
C
A
5
n
5
A
5
C
C
6
n
6
C
6
C
A
7
n
7
A
7
C
C
8
n
8
C
8
C
G
1
n
1
G
1
D
U
2
n
2
U
2
D
G
3
n
3
G
3
D
SEU
4
n
4
US5
4
D
A
5
n
5
A
5
D
C
6
n
6
C
6
D
A
7
n
7
A
7
D
C
8
n
8
C
8
D
G
1
n
1
G
1
E
U
2
n
2
U
2
E
G
3
n
3
G
3
E
SEU
4
n
4
US5
4
E
A
5
n
5
A
5
E
C
6
n
6
C
6
E
A
7
n
7
A
7
E
C
8
n
8
C
8
E
G
1
n
1
G
1
F
U
2
n
2
U
2
F
G
3
n
3
G
3
F
SEU
4
n
4
US5
4
F
A
5
n
5
A
5
F
C
6
n
6
C
6
F
A
7
n
7
A
7
F
C
8
n
8
C
8
F
4.1909
-0.9329
-1.3549
1.1717
1.1088
1.2204
-0.0875
-0.2235
0.0352
0.1774
0.2514
-0.2904
0.0223
0.1292
-0.1638
0.3919
0.0309
-0.0719
0.4114
-0.0612
0.3196
refined
10.9737
-0.8545
40.2895
X-RAY DIFFRACTION
1.6731
0.1754
-1.1623
2.5880
-2.7878
3.6199
0.0103
-0.1200
-0.5105
0.2355
0.0441
0.2640
-0.2874
0.1558
-0.0544
0.4431
0.0464
0.0126
0.6038
-0.1007
0.3629
refined
14.4788
-1.4008
36.2137
X-RAY DIFFRACTION
0.2377
0.3550
0.4475
0.6905
0.2899
2.0798
0.0336
0.0754
-0.0469
0.0591
0.1256
-0.0521
0.3443
-0.1708
-0.1592
0.3767
-0.0270
0.0109
0.3789
0.0163
0.2670
refined
17.6311
4.3425
17.2266
X-RAY DIFFRACTION
6.1841
0.2327
-2.7770
3.8581
0.5830
4.0774
-0.0787
-0.0495
-0.0302
-0.1486
0.2295
-0.2009
0.3896
-0.3860
-0.1508
0.3619
-0.1039
-0.0871
0.1989
0.0822
0.2046
refined
18.8799
2.3457
22.2967
X-RAY DIFFRACTION
9.6452
1.9986
-8.1180
5.3343
1.4346
9.2330
0.2772
-0.7852
0.1181
-0.5880
0.0376
0.1350
-0.8915
0.6231
-0.3148
0.6975
0.0159
0.0028
0.6649
0.0710
0.2162
refined
13.5990
7.5481
60.8186
X-RAY DIFFRACTION
6.2122
2.1565
4.9090
12.0155
-7.6875
20.8172
0.1725
-1.1275
0.2086
0.3602
0.2056
0.9929
0.0429
-1.2197
-0.3781
0.2936
0.0610
0.0077
0.5024
-0.2746
0.4175
refined
13.8956
-1.8634
-1.7502
X-RAY DIFFRACTION
A
1
A
8
X-RAY DIFFRACTION
1
B
1
B
8
X-RAY DIFFRACTION
2
C
1
C
8
X-RAY DIFFRACTION
3
D
1
D
8
X-RAY DIFFRACTION
4
E
1
E
8
X-RAY DIFFRACTION
5
F
1
F
8
X-RAY DIFFRACTION
6
author_defined_assembly
6
hexameric
A
US5
4
A
US5
4
U
B
US5
4
B
US5
4
U
C
US5
4
C
US5
4
U
D
US5
4
D
US5
4
U
E
US5
4
E
US5
4
U
F
US5
4
F
US5
4
U
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
7.36
0.90
109.80
117.16
C
C
C
C5'
C4'
O4'
G
G
G
1
1
1
N
1
5.50
0.90
109.80
115.30
D
D
D
C5'
C4'
O4'
G
G
G
1
1
1
N
1
-8.48
0.90
105.70
97.22
D
D
D
O5'
P
OP2
A
A
A
7
7
7
N
1
6.06
0.90
109.80
115.86
E
E
E
C5'
C4'
O4'
G
G
G
1
1
1
N
1
C
F
O3'
O2'
C
C
8
8
2.14
1_555
6_655
92.266
0.78
0.78
0.00
0.78
-0.00
-2.54
0.972
0.957
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
0.25824
0.19386
0.19686
2.60
31.73
232
4776
4.6
99.19
31.263
0.267
RANDOM
1
THROUGHOUT
SAD
0.587
0.313
0.80
0.80
1.20
MAXIMUM LIKELIHOOD
MASK
2.60
31.73
0
1002
0
1002
0
0.008
0.011
1116
0.003
0.020
468
1.846
1.274
1728
3.260
3.000
1134
0.144
0.200
192
0.012
0.020
552
0.002
0.020
234
0.293
0.200
725
0.121
0.200
21
0.149
0.200
59
0.150
0.200
12
1.141
3.000
1583
1.936
4.500
1728
0.502
0.584
2.668
23
307
20
95.93
2.6
50
4IQS
8915
7113
2.0
2.0
0.053
0.084
1
35.9
10
80
0.46
2.6
2.69
2
1
6.1
95.8
data collection
ADSC
Quantum
phasing
SHELXS
refinement
REFMAC
5.2.0019
data reduction
HKL-2000
data scaling
HKL-2000
RNA 8mer duplex modified with 4-Se-Uridine
1
N
N
1
N
N
1
N
N
1
N
N
1
N
N
1
N
N
covale
1.542
both
A
G
3
A
O3'
G
3
1_555
A
US5
4
A
P
US5
4
1_555
covale
1.596
one
A
US5
4
A
O3'
US5
4
1_555
A
A
5
A
P
A
5
1_555
covale
1.606
both
B
G
3
B
O3'
G
3
1_555
B
US5
4
B
P
US5
4
1_555
covale
1.613
one
B
US5
4
B
O3'
US5
4
1_555
B
A
5
B
P
A
5
1_555
covale
1.577
both
C
G
3
C
O3'
G
3
1_555
C
US5
4
C
P
US5
4
1_555
covale
1.615
one
C
US5
4
C
O3'
US5
4
1_555
C
A
5
C
P
A
5
1_555
covale
1.632
both
D
G
3
D
O3'
G
3
1_555
D
US5
4
D
P
US5
4
1_555
covale
1.614
one
D
US5
4
D
O3'
US5
4
1_555
D
A
5
D
P
A
5
1_555
covale
1.613
both
E
G
3
E
O3'
G
3
1_555
E
US5
4
E
P
US5
4
1_555
covale
1.573
one
E
US5
4
E
O3'
US5
4
1_555
E
A
5
E
P
A
5
1_555
covale
1.643
both
F
G
3
F
O3'
G
3
1_555
F
US5
4
F
P
US5
4
1_555
covale
1.597
one
F
US5
4
F
O3'
US5
4
1_555
F
A
5
F
P
A
5
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
B
C
8
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
B
C
8
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
B
C
8
B
N4
C
8
1_555
hydrog
WATSON-CRICK
A
U
2
A
N3
U
2
1_555
B
A
7
B
N1
A
7
1_555
hydrog
WATSON-CRICK
A
U
2
A
O4
U
2
1_555
B
A
7
B
N6
A
7
1_555
hydrog
WATSON-CRICK
A
G
3
A
N1
G
3
1_555
B
C
6
B
N3
C
6
1_555
hydrog
WATSON-CRICK
A
G
3
A
N2
G
3
1_555
B
C
6
B
O2
C
6
1_555
hydrog
WATSON-CRICK
A
G
3
A
O6
G
3
1_555
B
C
6
B
N4
C
6
1_555
hydrog
US5-A PAIR
A
US5
4
A
N3
US5
4
1_555
B
A
5
B
N1
A
5
1_555
hydrog
A-US5 PAIR
A
A
5
A
N1
A
5
1_555
B
US5
4
B
N3
US5
4
1_555
hydrog
WATSON-CRICK
A
C
6
A
N3
C
6
1_555
B
G
3
B
N1
G
3
1_555
hydrog
WATSON-CRICK
A
C
6
A
N4
C
6
1_555
B
G
3
B
O6
G
3
1_555
hydrog
WATSON-CRICK
A
C
6
A
O2
C
6
1_555
B
G
3
B
N2
G
3
1_555
hydrog
WATSON-CRICK
A
A
7
A
N1
A
7
1_555
B
U
2
B
N3
U
2
1_555
hydrog
WATSON-CRICK
A
A
7
A
N6
A
7
1_555
B
U
2
B
O4
U
2
1_555
hydrog
WATSON-CRICK
A
C
8
A
N3
C
8
1_555
B
G
1
B
N1
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
N4
C
8
1_555
B
G
1
B
O6
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
O2
C
8
1_555
B
G
1
B
N2
G
1
1_555
hydrog
WATSON-CRICK
C
G
1
C
N1
G
1
1_555
D
C
8
D
N3
C
8
1_555
hydrog
WATSON-CRICK
C
G
1
C
N2
G
1
1_555
D
C
8
D
O2
C
8
1_555
hydrog
WATSON-CRICK
C
G
1
C
O6
G
1
1_555
D
C
8
D
N4
C
8
1_555
hydrog
WATSON-CRICK
C
U
2
C
N3
U
2
1_555
D
A
7
D
N1
A
7
1_555
hydrog
WATSON-CRICK
C
U
2
C
O4
U
2
1_555
D
A
7
D
N6
A
7
1_555
hydrog
WATSON-CRICK
C
G
3
C
N1
G
3
1_555
D
C
6
D
N3
C
6
1_555
hydrog
WATSON-CRICK
C
G
3
C
N2
G
3
1_555
D
C
6
D
O2
C
6
1_555
hydrog
WATSON-CRICK
C
G
3
C
O6
G
3
1_555
D
C
6
D
N4
C
6
1_555
hydrog
US5-A PAIR
C
US5
4
C
N3
US5
4
1_555
D
A
5
D
N1
A
5
1_555
hydrog
A-US5 PAIR
C
A
5
C
N1
A
5
1_555
D
US5
4
D
N3
US5
4
1_555
hydrog
WATSON-CRICK
C
C
6
C
N3
C
6
1_555
D
G
3
D
N1
G
3
1_555
hydrog
WATSON-CRICK
C
C
6
C
N4
C
6
1_555
D
G
3
D
O6
G
3
1_555
hydrog
WATSON-CRICK
C
C
6
C
O2
C
6
1_555
D
G
3
D
N2
G
3
1_555
hydrog
WATSON-CRICK
C
A
7
C
N1
A
7
1_555
D
U
2
D
N3
U
2
1_555
hydrog
WATSON-CRICK
C
A
7
C
N6
A
7
1_555
D
U
2
D
O4
U
2
1_555
hydrog
WATSON-CRICK
C
C
8
C
N3
C
8
1_555
D
G
1
D
N1
G
1
1_555
hydrog
WATSON-CRICK
C
C
8
C
N4
C
8
1_555
D
G
1
D
O6
G
1
1_555
hydrog
WATSON-CRICK
C
C
8
C
O2
C
8
1_555
D
G
1
D
N2
G
1
1_555
hydrog
WATSON-CRICK
F
G
1
F
N1
G
1
1_555
F
C
8
F
N3
C
8
5_555
hydrog
WATSON-CRICK
F
G
1
F
N2
G
1
1_555
F
C
8
F
O2
C
8
5_555
hydrog
WATSON-CRICK
F
G
1
F
O6
G
1
1_555
F
C
8
F
N4
C
8
5_555
hydrog
WATSON-CRICK
F
U
2
F
N3
U
2
1_555
F
A
7
F
N1
A
7
5_555
hydrog
WATSON-CRICK
F
U
2
F
O4
U
2
1_555
F
A
7
F
N6
A
7
5_555
hydrog
G-C PAIR
F
G
3
F
N2
G
3
1_555
F
C
6
F
O2
C
6
5_555
hydrog
US5-A PAIR
F
US5
4
F
N3
US5
4
1_555
F
A
5
F
N1
A
5
5_555
hydrog
A-US5 PAIR
F
A
5
F
N1
A
5
1_555
F
US5
4
F
N3
US5
4
5_555
hydrog
C-G PAIR
F
C
6
F
O2
C
6
1_555
F
G
3
F
N2
G
3
5_555
hydrog
WATSON-CRICK
F
A
7
F
N1
A
7
1_555
F
U
2
F
N3
U
2
5_555
hydrog
WATSON-CRICK
F
A
7
F
N6
A
7
1_555
F
U
2
F
O4
U
2
5_555
hydrog
WATSON-CRICK
F
C
8
F
N3
C
8
1_555
F
G
1
F
N1
G
1
5_555
hydrog
WATSON-CRICK
F
C
8
F
N4
C
8
1_555
F
G
1
F
O6
G
1
5_555
hydrog
WATSON-CRICK
F
C
8
F
O2
C
8
1_555
F
G
1
F
N2
G
1
5_555
RNA
Selenium RNA, RNA
4IQS
PDB
1
4IQS
1
8
4IQS
1
8
4IQS
A
1
1
8
1
8
4IQS
1
8
4IQS
B
1
1
8
1
8
4IQS
1
8
4IQS
C
1
1
8
1
8
4IQS
1
8
4IQS
D
1
1
8
1
8
4IQS
1
8
4IQS
E
1
1
8
1
8
4IQS
1
8
4IQS
F
1
1
8
155
H 3 2