0.016650
0.000000
0.009882
0.000000
0.034364
0.000000
0.000000
0.000000
0.022120
0.00000
0.00000
0.00000
Deng, J.
Xiong, Y.
Sudarsanakumar, C.
Shi, K.
Sundaralingam, M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
120.69
90.00
60.060
29.100
52.570
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
C9 H13 Br N3 O7 P
386.093
n
5-BROMO-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE
DNA linking
C10 H14 N5 O8 P
363.221
y
GUANOSINE-5'-MONOPHOSPHATE
RNA linking
H2 O
18.015
WATER
non-polymer
Mg 2
24.305
MAGNESIUM ION
non-polymer
C10 H26 N4
202.340
SPERMINE
non-polymer
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
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
BR
N
74
N
P
N
75
N
O
N
76
N
O
N
77
N
O
N
78
N
N
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
C
N
84
N
N
N
85
N
C
N
86
N
C
N
87
N
C
N
88
R
C
N
89
N
O
N
90
R
C
N
91
S
C
N
92
N
O
N
93
N
O
N
94
N
H
N
95
N
H
N
96
N
H
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
O
N
108
N
P
N
109
N
O
N
110
N
O
N
111
N
O
N
112
N
C
N
113
R
C
N
114
N
O
N
115
S
C
N
116
N
O
N
117
R
C
N
118
N
O
N
119
R
C
Y
120
N
N
Y
121
N
C
Y
122
N
N
Y
123
N
C
N
124
N
C
N
125
N
O
N
126
N
N
N
127
N
C
N
128
N
N
N
129
N
N
Y
130
N
C
N
131
N
H
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
O
N
146
N
H
N
147
N
H
N
148
N
MG
N
149
N
N
N
150
N
C
N
151
N
C
N
152
N
C
N
153
N
N
N
154
N
C
N
155
N
C
N
156
N
C
N
157
N
C
N
158
N
N
N
159
N
C
N
160
N
C
N
161
N
C
N
162
N
N
N
163
N
H
N
164
N
H
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
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
O
N
190
N
P
N
191
N
O
N
192
N
O
N
193
N
O
N
194
N
C
N
195
R
C
N
196
N
O
N
197
S
C
N
198
N
O
N
199
R
C
N
200
N
O
N
201
R
C
N
202
N
N
N
203
N
C
N
204
N
O
N
205
N
N
N
206
N
C
N
207
N
O
N
208
N
C
N
209
N
C
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
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
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
doub
N
78
N
sing
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
doub
N
87
N
sing
N
88
N
doub
N
89
N
sing
N
90
N
doub
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
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
doub
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
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
Y
135
N
sing
Y
136
N
sing
Y
137
N
doub
N
138
N
sing
Y
139
N
sing
N
140
N
sing
Y
141
N
doub
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
doub
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
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
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
doub
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
doub
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
doub
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
UK
RNA
RNARFU
2122
1355-8382
7
1425
1431
11680847
Crystal structures of two forms of a 14-mer RNA/DNA chimer duplex with double UU bulges: a novel intramolecular U*(A x U) base triple.
2001
10.2210/pdb1fuf/pdb
pdb_00001fuf
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
2000-04-13
SINGLE WAVELENGTH
M
x-ray
1
0.9196
1.0
X4A
NSLS
0.9196
SYNCHROTRON
NSLS BEAMLINE X4A
4503.547
(5'-R(*GP*GP*UP*AP*UP*UP*UP*CP*GP*GP*UP*AP*(CBR)P*C)-3')
2
syn
polymer
24.305
MAGNESIUM ION
1
syn
non-polymer
202.340
SPERMINE
1
syn
non-polymer
18.015
water
68
nat
water
no
yes
GGUAUUUCGGUA(CBR)C
GGUAUUUCGGUACC
A,B
polyribonucleotide
n
n
n
n
n
n
n
n
n
n
n
n
n
n
1
2.22
44.70
VAPOR DIFFUSION, HANGING DROP
7.0
cacodylate, magnesium chloride, spermine tetrachloride, MPD, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 25.0K
298.0
CACODYLATE
1
MAGNESIUM CHLORIDE
1
SPERMINE TETRACHLORIDE
1
MPD
1
MPD
2
-4.843
1
19
A
1
B
28
0.861
A_G1:C28_B
1
-5.241
-0.457
0.068
-0.077
-2.698
1
19
A
2
B
27
0.511
A_G2:CBR27_B
2
-13.570
-0.203
-0.020
-0.280
1.414
1
20
A
3
B
26
3.410
A_U3:A26_B
3
-10.193
-0.098
-0.031
-0.049
-0.566
1
20
A
4
B
25
1.480
A_A4:U25_B
4
-15.383
-0.026
0.187
-0.154
6.636
28
A
5
B
24
-3.993
A_U5:G24_B
5
-6.927
2.369
0.183
-0.595
-1.063
1
19
A
8
B
23
2.477
A_C8:G23_B
6
0.217
0.189
-0.133
-0.091
0.376
1
19
A
9
B
22
2.889
A_G9:C22_B
7
-0.466
-0.229
-0.170
-0.133
-5.496
28
A
10
B
19
-1.746
A_G10:U19_B
8
-5.457
-2.349
0.300
-0.595
3.060
1
20
A
11
B
18
2.352
A_U11:A18_B
9
-14.330
0.100
0.118
-0.078
4.748
1
20
A
12
B
17
3.790
A_A12:U17_B
10
-10.378
0.055
0.171
-0.104
8.734
1
19
A
13
B
16
-0.887
A_CBR13:G16_B
11
-13.846
0.207
-0.114
-0.125
3.190
1
19
A
14
B
15
1.174
A_C14:G15_B
12
-5.984
0.442
-0.100
-0.091
2.906
34.106
A
A
1
2
10.770
B
B
28
27
3.220
6.281
-0.627
-1.572
AA_G1G2:CBR27C28_BB
1
-1.189
2.038
33.519
-3.622
0.891
3.030
31.133
A
A
2
3
5.948
B
B
27
26
3.178
3.185
0.794
-1.733
AA_G2U3:A26CBR27_BB
2
1.836
-3.428
30.921
-3.808
-1.145
2.632
30.857
A
A
3
4
17.722
B
B
26
25
3.231
9.284
-0.491
-1.627
AA_U3A4:U25A26_BB
3
-1.857
3.545
29.402
-4.717
0.591
2.856
39.801
A
A
4
5
10.945
B
B
25
24
3.105
7.410
-0.172
-1.091
AA_A4U5:G24U25_BB
4
0.720
-1.064
39.126
-2.392
0.329
2.486
42.500
A
A
5
8
16.146
B
B
24
23
3.062
11.569
-1.950
-1.932
AA_U5C8:G23G24_BB
5
-0.771
1.076
40.958
-3.680
2.623
3.036
21.209
A
A
8
9
6.174
B
B
23
22
3.339
2.268
-0.164
-2.676
AA_C8G9:C22G23_BB
6
0.137
-0.372
21.088
-8.189
0.502
2.516
41.771
A
A
9
10
13.952
B
B
22
19
2.998
9.861
2.138
-2.016
AA_G9G10:U19C22_BB
7
1.061
-1.501
40.628
-3.714
-2.904
2.718
39.890
A
A
10
11
14.634
B
B
19
18
3.010
9.887
-0.083
-0.866
AA_G10U11:A18U19_BB
8
-0.245
0.362
38.693
-2.285
0.097
2.465
32.940
A
A
11
12
17.663
B
B
18
17
3.076
9.867
0.238
-1.592
AA_U11A12:U17A18_BB
9
-1.343
2.404
31.439
-4.267
-0.618
2.899
30.637
A
A
12
13
7.186
B
B
17
16
3.137
3.787
-0.919
-1.965
AA_A12CBR13:G16U17_BB
10
-0.787
1.493
30.398
-4.411
1.596
3.091
33.655
A
A
13
14
8.919
B
B
16
15
3.409
5.144
0.614
-1.988
AA_CBR13C14:G15G16_BB
11
0.942
-1.634
33.258
-4.272
-0.907
exptl_crystal_grow
chem_comp_atom
chem_comp_bond
database_2
pdbx_struct_conn_angle
struct_conn
struct_conn_type
struct_site
repository
Initial release
Version format compliance
Version format compliance
Experimental preparation
Data collection
Database references
Derived calculations
1
0
2001-11-09
1
1
2008-04-27
1
2
2011-07-13
1
3
2018-01-31
1
4
2024-02-07
_exptl_crystal_grow.temp
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.value
_struct_conn.conn_type_id
_struct_conn.id
_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_conn_type.id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
NDB
Y
NDB
2000-09-15
REL
REL
MG
MAGNESIUM ION
SPM
SPERMINE
HOH
water
MG
97
2
MG
MG
97
A
SPM
98
3
SPM
SPM
98
B
HOH
30
4
HOH
HOH
30
A
HOH
31
4
HOH
HOH
31
A
HOH
34
4
HOH
HOH
34
A
HOH
35
4
HOH
HOH
35
A
HOH
36
4
HOH
HOH
36
A
HOH
38
4
HOH
HOH
38
A
HOH
39
4
HOH
HOH
39
A
HOH
40
4
HOH
HOH
40
A
HOH
43
4
HOH
HOH
43
A
HOH
44
4
HOH
HOH
44
A
HOH
48
4
HOH
HOH
48
A
HOH
50
4
HOH
HOH
50
A
HOH
53
4
HOH
HOH
53
A
HOH
54
4
HOH
HOH
54
A
HOH
56
4
HOH
HOH
56
A
HOH
57
4
HOH
HOH
57
A
HOH
58
4
HOH
HOH
58
A
HOH
62
4
HOH
HOH
62
A
HOH
63
4
HOH
HOH
63
A
HOH
64
4
HOH
HOH
64
A
HOH
65
4
HOH
HOH
65
A
HOH
66
4
HOH
HOH
66
A
HOH
67
4
HOH
HOH
67
A
HOH
69
4
HOH
HOH
69
A
HOH
70
4
HOH
HOH
70
A
HOH
71
4
HOH
HOH
71
A
HOH
72
4
HOH
HOH
72
A
HOH
73
4
HOH
HOH
73
A
HOH
74
4
HOH
HOH
74
A
HOH
78
4
HOH
HOH
78
A
HOH
79
4
HOH
HOH
79
A
HOH
80
4
HOH
HOH
80
A
HOH
84
4
HOH
HOH
84
A
HOH
86
4
HOH
HOH
86
A
HOH
88
4
HOH
HOH
88
A
HOH
92
4
HOH
HOH
92
A
HOH
93
4
HOH
HOH
93
A
HOH
96
4
HOH
HOH
96
A
HOH
29
4
HOH
HOH
29
B
HOH
32
4
HOH
HOH
32
B
HOH
33
4
HOH
HOH
33
B
HOH
37
4
HOH
HOH
37
B
HOH
41
4
HOH
HOH
41
B
HOH
42
4
HOH
HOH
42
B
HOH
45
4
HOH
HOH
45
B
HOH
46
4
HOH
HOH
46
B
HOH
47
4
HOH
HOH
47
B
HOH
49
4
HOH
HOH
49
B
HOH
51
4
HOH
HOH
51
B
HOH
52
4
HOH
HOH
52
B
HOH
55
4
HOH
HOH
55
B
HOH
59
4
HOH
HOH
59
B
HOH
60
4
HOH
HOH
60
B
HOH
61
4
HOH
HOH
61
B
HOH
68
4
HOH
HOH
68
B
HOH
75
4
HOH
HOH
75
B
HOH
76
4
HOH
HOH
76
B
HOH
77
4
HOH
HOH
77
B
HOH
81
4
HOH
HOH
81
B
HOH
82
4
HOH
HOH
82
B
HOH
83
4
HOH
HOH
83
B
HOH
85
4
HOH
HOH
85
B
HOH
87
4
HOH
HOH
87
B
HOH
89
4
HOH
HOH
89
B
HOH
90
4
HOH
HOH
90
B
HOH
91
4
HOH
HOH
91
B
HOH
94
4
HOH
HOH
94
B
HOH
95
4
HOH
HOH
95
B
G
1
n
1
G
1
A
G
2
n
2
G
2
A
U
3
n
3
U
3
A
A
4
n
4
A
4
A
U
5
n
5
U
5
A
U
6
n
6
U
6
A
U
7
n
7
U
7
A
C
8
n
8
C
8
A
G
9
n
9
G
9
A
G
10
n
10
G
10
A
U
11
n
11
U
11
A
A
12
n
12
A
12
A
BRO
13
n
13
CBR
13
A
C
14
n
14
C
14
A
G
15
n
1
G
15
B
G
16
n
2
G
16
B
U
17
n
3
U
17
B
A
18
n
4
A
18
B
U
19
n
5
U
19
B
U
20
n
6
U
20
B
U
21
n
7
U
21
B
C
22
n
8
C
22
B
G
23
n
9
G
23
B
G
24
n
10
G
24
B
U
25
n
11
U
25
B
A
26
n
12
A
26
B
BRO
27
n
13
CBR
27
B
C
28
n
14
C
28
B
author_defined_assembly
2
dimeric
A
HOH
92
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
A
HOH
93
E
O
HOH
1_555
78.1
A
HOH
92
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
A
HOH
96
E
O
HOH
1_555
95.3
A
HOH
93
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
A
HOH
96
E
O
HOH
1_555
99.6
A
HOH
92
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
94
F
O
HOH
1_555
171.5
A
HOH
93
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
94
F
O
HOH
1_555
109.7
A
HOH
96
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
94
F
O
HOH
1_555
80.3
A
HOH
92
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
95
F
O
HOH
1_555
89.3
A
HOH
93
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
95
F
O
HOH
1_555
164.7
A
HOH
96
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
95
F
O
HOH
1_555
90.2
B
HOH
94
F
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
B
HOH
95
F
O
HOH
1_555
83.4
A
CBR
13
A
CBR
13
DC
B
CBR
27
B
CBR
13
DC
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
U
7
0.068
SIDE CHAIN
1
B
U
20
0.074
SIDE CHAIN
1
14.18
1.60
113.70
127.88
A
A
A
C2'
C3'
O3'
U
U
U
7
7
7
N
1
-8.21
1.00
102.60
94.39
A
A
A
C4'
C3'
C2'
U
U
U
7
7
7
N
1
5.01
0.80
101.50
106.51
A
A
A
C3'
C2'
C1'
U
U
U
7
7
7
N
1
-9.42
1.00
105.80
96.38
A
A
A
O4'
C1'
C2'
U
U
U
7
7
7
N
1
-6.88
1.10
112.00
105.12
A
A
A
N1
C1'
C2'
U
U
U
7
7
7
N
1
18.08
3.00
110.60
128.68
A
A
A
C1'
C2'
O2'
U
U
U
7
7
7
N
1
-17.65
2.90
113.30
95.65
A
A
A
C3'
C2'
O2'
U
U
U
7
7
7
N
0.227
0.199
1.7
10
906
8737
8549
97.8
RANDOM
1
2
1.7
10
68
669
17
584
0
0.00918
1.91
24.23
1.7
25
1FUF
8740
2
0.05
1
21.7
2
98.3
0.213
1.70
1.76
1546
88.5
data reduction
DENZO
data scaling
SCALEPACK
phasing
MLPHARE
refinement
CNS
CRYSTAL STRUCTURE OF A 14BP RNA OLIGONUCLEOTIDE CONTAINING DOUBLE UU BULGES: A NOVEL INTRAMOLECULAR U*(AU) BASE TRIPLE
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
covale
1.612
both
A
A
12
A
O3'
A
12
1_555
A
CBR
13
A
P
CBR
13
1_555
covale
1.605
both
A
CBR
13
A
O3'
CBR
13
1_555
A
C
14
A
P
C
14
1_555
covale
1.608
both
B
A
26
B
O3'
A
12
1_555
B
CBR
27
B
P
CBR
13
1_555
covale
1.597
both
B
CBR
27
B
O3'
CBR
13
1_555
B
C
28
B
P
C
14
1_555
metalc
2.470
A
HOH
92
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
metalc
1.901
A
HOH
93
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
metalc
2.192
A
HOH
96
E
O
HOH
1_555
A
MG
97
C
MG
MG
1_555
metalc
2.059
A
MG
97
C
MG
MG
1_555
B
HOH
94
F
O
HOH
1_555
metalc
1.944
A
MG
97
C
MG
MG
1_555
B
HOH
95
F
O
HOH
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
B
C
28
B
N3
C
14
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
B
C
28
B
O2
C
14
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
B
C
28
B
N4
C
14
1_555
hydrog
WATSON-CRICK
A
G
2
A
N1
G
2
1_555
B
CBR
27
B
N3
CBR
13
1_555
hydrog
WATSON-CRICK
A
G
2
A
N2
G
2
1_555
B
CBR
27
B
O2
CBR
13
1_555
hydrog
WATSON-CRICK
A
G
2
A
O6
G
2
1_555
B
CBR
27
B
N4
CBR
13
1_555
hydrog
WATSON-CRICK
A
U
3
A
N3
U
3
1_555
B
A
26
B
N1
A
12
1_555
hydrog
WATSON-CRICK
A
U
3
A
O4
U
3
1_555
B
A
26
B
N6
A
12
1_555
hydrog
REVERSED HOOGSTEEN
A
A
4
A
N6
A
4
1_555
B
U
20
B
O2
U
6
1_555
hydrog
REVERSED HOOGSTEEN
A
A
4
A
N7
A
4
1_555
B
U
20
B
N3
U
6
1_555
hydrog
WATSON-CRICK
A
A
4
A
N1
A
4
1_555
B
U
25
B
N3
U
11
1_555
hydrog
WATSON-CRICK
A
A
4
A
N6
A
4
1_555
B
U
25
B
O4
U
11
1_555
hydrog
TYPE_28_PAIR
A
U
5
A
N3
U
5
1_555
B
G
24
B
O6
G
10
1_555
hydrog
TYPE_28_PAIR
A
U
5
A
O2
U
5
1_555
B
G
24
B
N1
G
10
1_555
hydrog
REVERSED HOOGSTEEN
A
U
6
A
N3
U
6
1_555
B
A
18
B
N7
A
4
1_555
hydrog
REVERSED HOOGSTEEN
A
U
6
A
O2
U
6
1_555
B
A
18
B
N6
A
4
1_555
hydrog
WATSON-CRICK
A
C
8
A
N3
C
8
1_555
B
G
23
B
N1
G
9
1_555
hydrog
WATSON-CRICK
A
C
8
A
N4
C
8
1_555
B
G
23
B
O6
G
9
1_555
hydrog
WATSON-CRICK
A
C
8
A
O2
C
8
1_555
B
G
23
B
N2
G
9
1_555
hydrog
WATSON-CRICK
A
G
9
A
N1
G
9
1_555
B
C
22
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
9
A
N2
G
9
1_555
B
C
22
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
9
A
O6
G
9
1_555
B
C
22
B
N4
C
8
1_555
hydrog
TYPE_28_PAIR
A
G
10
A
N1
G
10
1_555
B
U
19
B
O2
U
5
1_555
hydrog
TYPE_28_PAIR
A
G
10
A
O6
G
10
1_555
B
U
19
B
N3
U
5
1_555
hydrog
WATSON-CRICK
A
U
11
A
N3
U
11
1_555
B
A
18
B
N1
A
4
1_555
hydrog
WATSON-CRICK
A
U
11
A
O4
U
11
1_555
B
A
18
B
N6
A
4
1_555
hydrog
WATSON-CRICK
A
A
12
A
N1
A
12
1_555
B
U
17
B
N3
U
3
1_555
hydrog
WATSON-CRICK
A
A
12
A
N6
A
12
1_555
B
U
17
B
O4
U
3
1_555
hydrog
WATSON-CRICK
A
CBR
13
A
N3
CBR
13
1_555
B
G
16
B
N1
G
2
1_555
hydrog
WATSON-CRICK
A
CBR
13
A
N4
CBR
13
1_555
B
G
16
B
O6
G
2
1_555
hydrog
WATSON-CRICK
A
CBR
13
A
O2
CBR
13
1_555
B
G
16
B
N2
G
2
1_555
hydrog
WATSON-CRICK
A
C
14
A
N3
C
14
1_555
B
G
15
B
N1
G
1
1_555
hydrog
WATSON-CRICK
A
C
14
A
N4
C
14
1_555
B
G
15
B
O6
G
1
1_555
hydrog
WATSON-CRICK
A
C
14
A
O2
C
14
1_555
B
G
15
B
N2
G
1
1_555
RNA
bulge, base triple, RNA, crystal
1FUF
PDB
1
1FUF
1
14
1FUF
1
14
1FUF
A
1
1
14
15
28
1FUF
15
28
1FUF
B
1
1
14
BINDING SITE FOR RESIDUE MG A 97
A
MG
97
Software
5
BINDING SITE FOR RESIDUE SPM B 98
B
SPM
98
Software
16
A
HOH
92
E
HOH
5
1_555
A
HOH
93
E
HOH
5
1_555
A
HOH
96
E
HOH
5
1_555
B
HOH
94
F
HOH
5
1_555
B
HOH
95
F
HOH
5
1_555
A
A
4
A
A
4
16
1_555
A
U
5
A
U
5
16
1_555
A
U
6
A
U
6
16
1_555
A
C
8
A
C
8
16
1_555
A
G
9
A
G
9
16
1_555
A
G
10
A
G
10
16
1_555
A
U
11
A
U
11
16
1_555
B
A
18
B
A
4
16
1_555
B
U
19
B
U
5
16
1_555
B
U
20
B
U
6
16
1_555
B
C
22
B
C
8
16
1_555
B
G
23
B
G
9
16
1_555
B
G
24
B
G
10
16
1_555
B
U
25
B
U
11
16
1_555
B
HOH
33
F
HOH
16
1_555
B
HOH
59
F
HOH
16
1_555
5
C 1 2 1