0.021013
0.000000
0.008439
0.000000
0.032300
0.000000
0.000000
0.000000
0.017350
0.00000
0.00000
0.00000
Nix, J.
Sussman, D.
Wilson, C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90
111.88
90
47.59
30.96
62.11
C10 H14 N5 O7 P
347.221
y
ADENOSINE-5'-MONOPHOSPHATE
RNA linking
C10 H16 N2 O3 S
244.311
BIOTIN
non-polymer
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
H2 O
18.015
WATER
non-polymer
Mg 2
24.305
MAGNESIUM ION
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
C
N
39
N
O
N
40
N
O
N
41
N
C
N
42
N
C
N
43
N
C
N
44
N
C
N
45
S
C
N
46
N
S
N
47
N
C
N
48
R
C
N
49
N
N
N
50
N
C
N
51
N
O
N
52
N
N
N
53
S
C
N
54
N
H
N
55
N
H
N
56
N
H
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
70
N
O
N
71
N
P
N
72
N
O
N
73
N
O
N
74
N
O
N
75
N
C
N
76
R
C
N
77
N
O
N
78
S
C
N
79
N
O
N
80
R
C
N
81
N
O
N
82
R
C
N
83
N
N
N
84
N
C
N
85
N
O
N
86
N
N
N
87
N
C
N
88
N
N
N
89
N
C
N
90
N
C
N
91
N
H
N
92
N
H
N
93
N
H
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
O
N
106
N
P
N
107
N
O
N
108
N
O
N
109
N
O
N
110
N
C
N
111
R
C
N
112
N
O
N
113
S
C
N
114
N
O
N
115
R
C
N
116
N
O
N
117
R
C
Y
118
N
N
Y
119
N
C
Y
120
N
N
Y
121
N
C
N
122
N
C
N
123
N
O
N
124
N
N
N
125
N
C
N
126
N
N
N
127
N
N
Y
128
N
C
N
129
N
H
N
130
N
H
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
O
N
144
N
H
N
145
N
H
N
146
N
MG
N
147
N
O
N
148
N
P
N
149
N
O
N
150
N
O
N
151
N
O
N
152
N
C
N
153
R
C
N
154
N
O
N
155
S
C
N
156
N
O
N
157
R
C
N
158
N
O
N
159
R
C
N
160
N
N
N
161
N
C
N
162
N
O
N
163
N
N
N
164
N
C
N
165
N
O
N
166
N
C
N
167
N
C
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
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
doub
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
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
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
sing
N
74
N
sing
N
75
N
doub
N
76
N
sing
N
77
N
sing
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
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
doub
N
100
N
sing
N
101
N
doub
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
doub
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
doub
N
112
N
sing
N
113
N
sing
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
Y
133
N
sing
Y
134
N
sing
Y
135
N
doub
N
136
N
sing
Y
137
N
sing
N
138
N
sing
Y
139
N
doub
N
140
N
doub
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
doub
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
doub
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
doub
N
182
N
sing
N
183
N
doub
N
184
N
sing
N
185
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
296
1235
1244
10.1006/jmbi.2000.3539
10698630
The 1.3 A crystal structure of a biotin-binding pseudoknot and the basis for RNA molecular recognition.
2000
10.2210/pdb1f27/pdb
pdb_00001f27
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
1
CCD
1998-09-20
ADSC QUANTUM 4
CCD
1999-03-21
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
SINGLE WAVELENGTH
M
x-ray
2
0.97186
1.0
0.97954
1.0
0.97969
1.0
0.98743
1.0
0.9650
1.0
5.0.2
ALS
0.97186, 0.97954, 0.97969, 0.98743
SYNCHROTRON
ALS BEAMLINE 5.0.2
5.0.2
ALS
0.9650
SYNCHROTRON
ALS BEAMLINE 5.0.2
RNA BIOTIN-BINDING APTAMER
6116.713
RNA (5'-R(*AP*CP*CP*GP*UP*CP*AP*GP*AP*GP*GP*AP*CP*AP*CP*GP*GP*UP*U)-3')
1
syn
polymer
RNA BIOTIN-BINDING APTAMER
3474.154
RNA (5'-R(*AP*AP*AP*AP*AP*GP*UP*CP*CP*UP*C)-3')
1
syn
polymer
24.305
MAGNESIUM ION
6
syn
non-polymer
244.311
BIOTIN
1
syn
non-polymer
18.015
water
184
nat
water
no
no
ACCGUCAGAGGACACGGUU
ACCGUCAGAGGACACGGUU
A
polyribonucleotide
no
no
AAAAAGUCCUC
AAAAAGUCCUC
B
polyribonucleotide
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
2
2.21
44.43
VAPOR DIFFUSION, HANGING DROP
7.4
MPD, POTASIUM HEPES, MGCL2, KCL, BIOTIN, SPERMINE, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 301K
301
POTASIUM HEPES
1
MGCL2
1
KCL
1
BIOTIN
1
SPERMINE
1
MPD
1
MPD
2
6.292
1
20
A
3
A
20
-2.210
A_A3:U20_A
1
-11.254
0.096
0.064
-0.149
10.904
1
19
A
4
A
19
3.054
A_C4:G19_A
2
-18.797
0.297
-0.032
-0.158
5.289
1
19
A
5
A
18
-0.352
A_C5:G18_A
3
-12.611
0.145
-0.151
-0.131
3.091
1
19
A
6
A
17
-1.116
A_G6:C17_A
4
-5.580
0.043
0.075
-0.163
18.693
1
20
A
7
A
16
9.522
A_U7:A16_A
5
1.315
0.200
-0.370
-0.063
12.700
1
19
B
27
A
15
1.995
B_G27:C15_A
6
-4.600
-0.258
0.158
-0.122
10.548
1
20
B
28
A
14
-0.309
B_U28:A14_A
7
-10.690
0.001
0.001
-0.111
9.759
1
19
B
29
A
13
0.558
B_C29:G13_A
8
-16.803
0.213
-0.010
-0.105
2.293
1
19
B
30
A
12
0.939
B_C30:G12_A
9
-12.850
0.100
0.019
-0.168
0.727
1
20
B
31
A
11
-0.636
B_U31:A11_A
10
-10.900
0.167
0.210
-0.348
4.818
1
19
B
32
A
10
2.767
B_C32:G10_A
11
-9.783
0.273
0.066
-0.178
2.906
34.305
A
A
3
4
8.421
A
A
20
19
3.081
4.949
0.880
-1.265
AA_A3C4:G19U20_AA
1
1.400
-2.382
33.929
-2.859
-1.291
2.739
32.206
A
A
4
5
17.011
A
A
19
18
3.359
9.307
-0.669
-1.774
AA_C4C5:G18G19_AA
2
-0.881
1.610
30.853
-4.780
1.057
2.400
29.789
A
A
5
6
22.909
A
A
18
17
3.269
11.476
-0.309
-1.692
AA_C5G6:C17G18_AA
3
-2.047
4.086
27.461
-5.457
0.215
2.253
26.165
A
A
6
7
28.838
A
A
17
16
3.118
12.521
0.735
-1.150
AA_G6U7:A16C17_AA
4
2.109
-4.857
22.924
-5.524
-1.121
3.923
45.370
A
B
7
27
9.469
A
A
16
15
3.325
7.187
-2.765
0.145
AB_U7G27:C15A16_AA
5
-12.663
16.683
43.088
-0.538
2.305
3.231
31.682
B
B
27
28
8.986
A
A
15
14
3.370
4.883
-0.543
-0.867
BB_G27U28:A14C15_AA
6
-2.280
4.195
31.232
-2.503
0.568
3.069
35.089
B
B
28
29
6.227
A
A
14
13
3.256
3.748
0.521
-1.667
BB_U28C29:G13A14_AA
7
0.238
-0.395
34.894
-3.309
-0.830
2.431
30.166
B
B
29
30
20.607
A
A
13
12
3.302
10.494
-0.758
-2.137
BB_C29C30:G12G13_AA
8
-2.841
5.578
28.182
-6.047
0.931
2.737
31.387
B
B
30
31
16.018
A
A
12
11
3.236
8.545
-0.629
-1.616
BB_C30U31:A11G12_AA
9
-3.391
6.358
30.043
-4.487
0.567
2.981
32.491
B
B
31
32
6.688
A
A
11
10
3.130
3.731
0.568
-1.455
BB_U31C32:G10A11_AA
10
2.457
-4.405
32.191
-3.213
-0.612
chem_comp_atom
chem_comp_bond
database_2
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2000-06-12
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr2_auth_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_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.ptnr2_symmetry
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2000-05-23
REL
MG
MAGNESIUM ION
BTN
BIOTIN
HOH
water
SEQUENCE FROM IN VITRO SELECTION EXPERIMENT
sample
MG
34
3
MG
MG
34
A
MG
35
3
MG
MG
35
A
MG
36
3
MG
MG
36
A
MG
37
3
MG
MG
37
A
MG
39
3
MG
MG
39
A
BTN
33
4
BTN
BTN
33
A
MG
38
3
MG
MG
38
B
HOH
41
5
HOH
HOH
41
A
HOH
42
5
HOH
HOH
42
A
HOH
43
5
HOH
HOH
43
A
HOH
44
5
HOH
HOH
44
A
HOH
45
5
HOH
HOH
45
A
HOH
48
5
HOH
HOH
48
A
HOH
49
5
HOH
HOH
49
A
HOH
50
5
HOH
HOH
50
A
HOH
51
5
HOH
HOH
51
A
HOH
52
5
HOH
HOH
52
A
HOH
54
5
HOH
HOH
54
A
HOH
55
5
HOH
HOH
55
A
HOH
57
5
HOH
HOH
57
A
HOH
58
5
HOH
HOH
58
A
HOH
61
5
HOH
HOH
61
A
HOH
62
5
HOH
HOH
62
A
HOH
63
5
HOH
HOH
63
A
HOH
64
5
HOH
HOH
64
A
HOH
65
5
HOH
HOH
65
A
HOH
66
5
HOH
HOH
66
A
HOH
67
5
HOH
HOH
67
A
HOH
69
5
HOH
HOH
69
A
HOH
71
5
HOH
HOH
71
A
HOH
73
5
HOH
HOH
73
A
HOH
78
5
HOH
HOH
78
A
HOH
79
5
HOH
HOH
79
A
HOH
83
5
HOH
HOH
83
A
HOH
86
5
HOH
HOH
86
A
HOH
87
5
HOH
HOH
87
A
HOH
88
5
HOH
HOH
88
A
HOH
90
5
HOH
HOH
90
A
HOH
91
5
HOH
HOH
91
A
HOH
93
5
HOH
HOH
93
A
HOH
94
5
HOH
HOH
94
A
HOH
95
5
HOH
HOH
95
A
HOH
96
5
HOH
HOH
96
A
HOH
97
5
HOH
HOH
97
A
HOH
101
5
HOH
HOH
101
A
HOH
102
5
HOH
HOH
102
A
HOH
103
5
HOH
HOH
103
A
HOH
105
5
HOH
HOH
105
A
HOH
106
5
HOH
HOH
106
A
HOH
107
5
HOH
HOH
107
A
HOH
108
5
HOH
HOH
108
A
HOH
109
5
HOH
HOH
109
A
HOH
113
5
HOH
HOH
113
A
HOH
114
5
HOH
HOH
114
A
HOH
115
5
HOH
HOH
115
A
HOH
117
5
HOH
HOH
117
A
HOH
119
5
HOH
HOH
119
A
HOH
123
5
HOH
HOH
123
A
HOH
126
5
HOH
HOH
126
A
HOH
127
5
HOH
HOH
127
A
HOH
128
5
HOH
HOH
128
A
HOH
129
5
HOH
HOH
129
A
HOH
131
5
HOH
HOH
131
A
HOH
134
5
HOH
HOH
134
A
HOH
136
5
HOH
HOH
136
A
HOH
137
5
HOH
HOH
137
A
HOH
139
5
HOH
HOH
139
A
HOH
140
5
HOH
HOH
140
A
HOH
141
5
HOH
HOH
141
A
HOH
143
5
HOH
HOH
143
A
HOH
144
5
HOH
HOH
144
A
HOH
146
5
HOH
HOH
146
A
HOH
148
5
HOH
HOH
148
A
HOH
149
5
HOH
HOH
149
A
HOH
150
5
HOH
HOH
150
A
HOH
155
5
HOH
HOH
155
A
HOH
156
5
HOH
HOH
156
A
HOH
159
5
HOH
HOH
159
A
HOH
160
5
HOH
HOH
160
A
HOH
162
5
HOH
HOH
162
A
HOH
163
5
HOH
HOH
163
A
HOH
164
5
HOH
HOH
164
A
HOH
165
5
HOH
HOH
165
A
HOH
166
5
HOH
HOH
166
A
HOH
167
5
HOH
HOH
167
A
HOH
168
5
HOH
HOH
168
A
HOH
169
5
HOH
HOH
169
A
HOH
170
5
HOH
HOH
170
A
HOH
171
5
HOH
HOH
171
A
HOH
172
5
HOH
HOH
172
A
HOH
173
5
HOH
HOH
173
A
HOH
174
5
HOH
HOH
174
A
HOH
176
5
HOH
HOH
176
A
HOH
180
5
HOH
HOH
180
A
HOH
181
5
HOH
HOH
181
A
HOH
182
5
HOH
HOH
182
A
HOH
183
5
HOH
HOH
183
A
HOH
184
5
HOH
HOH
184
A
HOH
185
5
HOH
HOH
185
A
HOH
186
5
HOH
HOH
186
A
HOH
188
5
HOH
HOH
188
A
HOH
190
5
HOH
HOH
190
A
HOH
191
5
HOH
HOH
191
A
HOH
193
5
HOH
HOH
193
A
HOH
195
5
HOH
HOH
195
A
HOH
196
5
HOH
HOH
196
A
HOH
197
5
HOH
HOH
197
A
HOH
198
5
HOH
HOH
198
A
HOH
199
5
HOH
HOH
199
A
HOH
200
5
HOH
HOH
200
A
HOH
201
5
HOH
HOH
201
A
HOH
202
5
HOH
HOH
202
A
HOH
203
5
HOH
HOH
203
A
HOH
204
5
HOH
HOH
204
A
HOH
205
5
HOH
HOH
205
A
HOH
206
5
HOH
HOH
206
A
HOH
207
5
HOH
HOH
207
A
HOH
210
5
HOH
HOH
210
A
HOH
211
5
HOH
HOH
211
A
HOH
212
5
HOH
HOH
212
A
HOH
217
5
HOH
HOH
217
A
HOH
219
5
HOH
HOH
219
A
HOH
221
5
HOH
HOH
221
A
HOH
223
5
HOH
HOH
223
A
HOH
40
5
HOH
HOH
40
B
HOH
46
5
HOH
HOH
46
B
HOH
47
5
HOH
HOH
47
B
HOH
53
5
HOH
HOH
53
B
HOH
56
5
HOH
HOH
56
B
HOH
59
5
HOH
HOH
59
B
HOH
60
5
HOH
HOH
60
B
HOH
68
5
HOH
HOH
68
B
HOH
70
5
HOH
HOH
70
B
HOH
72
5
HOH
HOH
72
B
HOH
74
5
HOH
HOH
74
B
HOH
75
5
HOH
HOH
75
B
HOH
76
5
HOH
HOH
76
B
HOH
77
5
HOH
HOH
77
B
HOH
80
5
HOH
HOH
80
B
HOH
81
5
HOH
HOH
81
B
HOH
82
5
HOH
HOH
82
B
HOH
84
5
HOH
HOH
84
B
HOH
85
5
HOH
HOH
85
B
HOH
89
5
HOH
HOH
89
B
HOH
92
5
HOH
HOH
92
B
HOH
98
5
HOH
HOH
98
B
HOH
99
5
HOH
HOH
99
B
HOH
100
5
HOH
HOH
100
B
HOH
104
5
HOH
HOH
104
B
HOH
110
5
HOH
HOH
110
B
HOH
111
5
HOH
HOH
111
B
HOH
112
5
HOH
HOH
112
B
HOH
116
5
HOH
HOH
116
B
HOH
118
5
HOH
HOH
118
B
HOH
120
5
HOH
HOH
120
B
HOH
121
5
HOH
HOH
121
B
HOH
122
5
HOH
HOH
122
B
HOH
124
5
HOH
HOH
124
B
HOH
125
5
HOH
HOH
125
B
HOH
130
5
HOH
HOH
130
B
HOH
132
5
HOH
HOH
132
B
HOH
133
5
HOH
HOH
133
B
HOH
135
5
HOH
HOH
135
B
HOH
138
5
HOH
HOH
138
B
HOH
142
5
HOH
HOH
142
B
HOH
145
5
HOH
HOH
145
B
HOH
147
5
HOH
HOH
147
B
HOH
151
5
HOH
HOH
151
B
HOH
152
5
HOH
HOH
152
B
HOH
153
5
HOH
HOH
153
B
HOH
154
5
HOH
HOH
154
B
HOH
157
5
HOH
HOH
157
B
HOH
158
5
HOH
HOH
158
B
HOH
161
5
HOH
HOH
161
B
HOH
175
5
HOH
HOH
175
B
HOH
177
5
HOH
HOH
177
B
HOH
178
5
HOH
HOH
178
B
HOH
179
5
HOH
HOH
179
B
HOH
187
5
HOH
HOH
187
B
HOH
189
5
HOH
HOH
189
B
HOH
192
5
HOH
HOH
192
B
HOH
194
5
HOH
HOH
194
B
HOH
208
5
HOH
HOH
208
B
HOH
209
5
HOH
HOH
209
B
HOH
213
5
HOH
HOH
213
B
HOH
214
5
HOH
HOH
214
B
HOH
215
5
HOH
HOH
215
B
HOH
216
5
HOH
HOH
216
B
HOH
218
5
HOH
HOH
218
B
HOH
220
5
HOH
HOH
220
B
HOH
222
5
HOH
HOH
222
B
A
3
n
1
A
3
A
C
4
n
2
C
4
A
C
5
n
3
C
5
A
G
6
n
4
G
6
A
U
7
n
5
U
7
A
C
8
n
6
C
8
A
A
9
n
7
A
9
A
G
10
n
8
G
10
A
A
11
n
9
A
11
A
G
12
n
10
G
12
A
G
13
n
11
G
13
A
A
14
n
12
A
14
A
C
15
n
13
C
15
A
A
16
n
14
A
16
A
C
17
n
15
C
17
A
G
18
n
16
G
18
A
G
19
n
17
G
19
A
U
20
n
18
U
20
A
U
21
n
19
U
21
A
A
22
n
1
A
22
B
A
23
n
2
A
23
B
A
24
n
3
A
24
B
A
25
n
4
A
25
B
A
26
n
5
A
26
B
G
27
n
6
G
27
B
U
28
n
7
U
28
B
C
29
n
8
C
29
B
C
30
n
9
C
30
B
U
31
n
10
U
31
B
C
32
n
11
C
32
B
author_defined_assembly
2
dimeric
A
U
7
A
O4
U
5
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
162
J
O
HOH
1_555
82.9
A
U
7
A
O4
U
5
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
164
J
O
HOH
1_555
100.3
A
HOH
162
J
O
HOH
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
164
J
O
HOH
1_555
87.2
A
U
7
A
O4
U
5
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
173
J
O
HOH
1_555
84.2
A
HOH
162
J
O
HOH
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
173
J
O
HOH
1_555
80.9
A
HOH
164
J
O
HOH
1_555
A
MG
35
D
MG
MG
1_555
A
HOH
173
J
O
HOH
1_555
166.7
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
105
J
O
HOH
1_555
87.0
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
170
J
O
HOH
1_555
91.0
A
HOH
105
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
170
J
O
HOH
1_555
88.4
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
172
J
O
HOH
1_555
93.1
A
HOH
105
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
172
J
O
HOH
1_555
85.7
A
HOH
170
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
172
J
O
HOH
1_555
172.6
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
202
J
O
HOH
1_555
177.4
A
HOH
105
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
202
J
O
HOH
1_555
94.0
A
HOH
170
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
202
J
O
HOH
1_555
86.7
A
HOH
172
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
202
J
O
HOH
1_555
89.4
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
97.5
A
HOH
105
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
174.3
A
HOH
170
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
95.0
A
HOH
172
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
90.6
A
HOH
202
J
O
HOH
1_555
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
81.6
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
65
J
O
HOH
1_555
171.5
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
165
J
O
HOH
1_555
87.2
A
HOH
65
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
165
J
O
HOH
1_555
89.4
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
166
J
O
HOH
1_555
98.3
A
HOH
65
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
166
J
O
HOH
1_555
89.3
A
HOH
165
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
166
J
O
HOH
1_555
88.7
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
167
J
O
HOH
1_555
86.7
A
HOH
65
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
167
J
O
HOH
1_555
85.7
A
HOH
165
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
167
J
O
HOH
1_555
93.0
A
HOH
166
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
167
J
O
HOH
1_555
174.7
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
94.1
A
HOH
65
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
89.5
A
HOH
165
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
178.6
A
HOH
166
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
90.6
A
HOH
167
J
O
HOH
1_555
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
87.6
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
A
HOH
159
J
O
HOH
1_555
87.0
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
A
HOH
160
J
O
HOH
1_555
84.8
A
HOH
159
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
A
HOH
160
J
O
HOH
1_555
171.8
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
B
A
25
B
OP2
A
4
1_555
179.0
A
HOH
159
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
A
25
B
OP2
A
4
1_555
93.0
A
HOH
160
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
A
25
B
OP2
A
4
1_555
95.2
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
158
K
O
HOH
1_555
90.5
A
HOH
159
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
158
K
O
HOH
1_555
91.3
A
HOH
160
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
158
K
O
HOH
1_555
88.3
B
A
25
B
OP2
A
4
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
158
K
O
HOH
1_555
88.4
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
88.1
A
HOH
159
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
88.6
A
HOH
160
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
91.5
B
A
25
B
OP2
A
4
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
92.9
B
HOH
158
K
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
178.6
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
43
J
O
HOH
1_555
47.2
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
163
J
O
HOH
1_555
137.2
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
163
J
O
HOH
1_555
93.0
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
169
J
O
HOH
2_655
44.5
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
169
J
O
HOH
2_655
80.7
A
HOH
163
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
169
J
O
HOH
2_655
163.1
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
171
J
O
HOH
1_555
75.1
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
171
J
O
HOH
1_555
84.6
A
HOH
163
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
171
J
O
HOH
1_555
87.9
A
HOH
169
J
O
HOH
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
171
J
O
HOH
1_555
107.0
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
42.3
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
83.5
A
HOH
163
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
137.8
A
HOH
169
J
O
HOH
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
57.5
A
HOH
171
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
49.9
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
107.0
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
91.7
A
HOH
163
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
85.9
A
HOH
169
J
O
HOH
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
78.6
A
HOH
171
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
172.6
A
HOH
199
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
136.1
A
MG
39
G
MG
MG
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
124.8
A
HOH
43
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
171.4
A
HOH
163
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
93.6
A
HOH
169
J
O
HOH
2_655
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
94.4
A
HOH
171
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
90.1
A
HOH
199
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
87.9
A
HOH
200
J
O
HOH
1_555
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
94.3
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
169
J
O
HOH
1_555
86.7
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
171
J
O
HOH
2_655
63.9
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
171
J
O
HOH
2_655
81.1
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
1_555
95.2
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
1_555
171.6
A
HOH
171
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
1_555
92.4
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
2_655
95.6
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
2_655
171.8
A
HOH
171
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
2_655
92.8
A
HOH
197
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
2_655
0.5
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
92.4
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
101.2
A
HOH
171
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
156.1
A
HOH
197
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
86.9
A
HOH
197
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
86.5
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
174.9
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
94.1
A
HOH
171
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
111.3
A
HOH
197
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
83.2
A
HOH
197
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
82.9
A
HOH
198
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
92.3
A
HOH
43
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
99.2
A
HOH
169
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
68.8
A
HOH
171
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
37.8
A
HOH
197
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
102.8
A
HOH
197
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
103.1
A
HOH
198
J
O
HOH
1_555
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
164.1
A
HOH
198
J
O
HOH
2_655
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
76.5
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
HOH
197
J
HOH
1
A
O5'
A
3
A
O5'
A
1
1
Y
1
A
U
7
0.089
SIDE CHAIN
1
B
U
31
0.068
SIDE CHAIN
0.2380000
0.1990000
0.1990000
1.30
17.18
1797
20852
8.6
91.7
RANDOM
1
THROUGHOUT
2.0
1.0
1.30
17.18
184
840
22
634
0
12.2
1.30
18.00
1F27
20852
2.0
1.0
0.0480000
1,2
9.00
6.3
92
0.3800000
1.30
1.38
66.4
phasing
SHARP
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
CRYSTAL STRUCTURE OF A BIOTIN-BINDING RNA PSEUDOKNOT
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
4
N
N
3
N
N
5
N
N
5
N
N
metalc
2.311
A
U
7
A
O4
U
5
1_555
A
MG
35
D
MG
MG
1_555
metalc
1.917
A
C
8
A
OP2
C
6
1_555
A
MG
37
F
MG
MG
1_555
metalc
2.008
A
A
9
A
OP2
A
7
1_555
A
MG
36
E
MG
MG
1_555
metalc
2.061
A
BTN
33
H
O3
BTN
1_555
B
MG
38
I
MG
MG
1_555
metalc
2.875
A
MG
34
C
MG
MG
1_555
A
MG
39
G
MG
MG
2_655
metalc
2.207
A
MG
34
C
MG
MG
1_555
A
HOH
43
J
O
HOH
1_555
metalc
2.088
A
MG
34
C
MG
MG
1_555
A
HOH
163
J
O
HOH
1_555
metalc
2.190
A
MG
34
C
MG
MG
1_555
A
HOH
169
J
O
HOH
2_655
metalc
2.043
A
MG
34
C
MG
MG
1_555
A
HOH
171
J
O
HOH
1_555
metalc
2.460
A
MG
34
C
MG
MG
1_555
A
HOH
199
J
O
HOH
1_555
metalc
1.990
A
MG
34
C
MG
MG
1_555
A
HOH
200
J
O
HOH
1_555
metalc
2.043
A
MG
34
C
MG
MG
1_555
A
HOH
201
J
O
HOH
1_555
metalc
2.094
A
MG
35
D
MG
MG
1_555
A
HOH
162
J
O
HOH
1_555
metalc
2.036
A
MG
35
D
MG
MG
1_555
A
HOH
164
J
O
HOH
1_555
metalc
2.076
A
MG
35
D
MG
MG
1_555
A
HOH
173
J
O
HOH
1_555
metalc
2.155
A
MG
36
E
MG
MG
1_555
A
HOH
65
J
O
HOH
1_555
metalc
2.027
A
MG
36
E
MG
MG
1_555
A
HOH
165
J
O
HOH
1_555
metalc
2.161
A
MG
36
E
MG
MG
1_555
A
HOH
166
J
O
HOH
1_555
metalc
2.118
A
MG
36
E
MG
MG
1_555
A
HOH
167
J
O
HOH
1_555
metalc
2.058
A
MG
36
E
MG
MG
1_555
A
HOH
168
J
O
HOH
1_555
metalc
2.295
A
MG
37
F
MG
MG
1_555
A
HOH
105
J
O
HOH
1_555
metalc
2.238
A
MG
37
F
MG
MG
1_555
A
HOH
170
J
O
HOH
1_555
metalc
2.066
A
MG
37
F
MG
MG
1_555
A
HOH
172
J
O
HOH
1_555
metalc
1.974
A
MG
37
F
MG
MG
1_555
A
HOH
202
J
O
HOH
1_555
metalc
1.973
A
MG
37
F
MG
MG
1_555
A
HOH
203
J
O
HOH
1_555
metalc
2.126
A
MG
39
G
MG
MG
1_555
A
HOH
43
J
O
HOH
2_655
metalc
2.019
A
MG
39
G
MG
MG
1_555
A
HOH
169
J
O
HOH
1_555
metalc
3.069
A
MG
39
G
MG
MG
1_555
A
HOH
171
J
O
HOH
2_655
metalc
2.235
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
1_555
metalc
2.248
A
MG
39
G
MG
MG
1_555
A
HOH
197
J
O
HOH
2_655
metalc
1.957
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
1_555
metalc
2.113
A
MG
39
G
MG
MG
1_555
A
HOH
198
J
O
HOH
2_655
metalc
1.961
A
MG
39
G
MG
MG
1_555
A
HOH
199
J
O
HOH
2_655
metalc
2.098
A
HOH
159
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
metalc
2.052
A
HOH
160
J
O
HOH
1_555
B
MG
38
I
MG
MG
1_555
metalc
1.993
B
A
25
B
OP2
A
4
1_555
B
MG
38
I
MG
MG
1_555
metalc
2.031
B
MG
38
I
MG
MG
1_555
B
HOH
158
K
O
HOH
1_555
metalc
2.084
B
MG
38
I
MG
MG
1_555
B
HOH
161
K
O
HOH
1_555
hydrog
WATSON-CRICK
A
A
3
A
N1
A
1
1_555
A
U
20
A
N3
U
18
1_555
hydrog
WATSON-CRICK
A
A
3
A
N6
A
1
1_555
A
U
20
A
O4
U
18
1_555
hydrog
WATSON-CRICK
A
C
4
A
N3
C
2
1_555
A
G
19
A
N1
G
17
1_555
hydrog
WATSON-CRICK
A
C
4
A
N4
C
2
1_555
A
G
19
A
O6
G
17
1_555
hydrog
WATSON-CRICK
A
C
4
A
O2
C
2
1_555
A
G
19
A
N2
G
17
1_555
hydrog
WATSON-CRICK
A
C
5
A
N3
C
3
1_555
A
G
18
A
N1
G
16
1_555
hydrog
WATSON-CRICK
A
C
5
A
N4
C
3
1_555
A
G
18
A
O6
G
16
1_555
hydrog
WATSON-CRICK
A
C
5
A
O2
C
3
1_555
A
G
18
A
N2
G
16
1_555
hydrog
WATSON-CRICK
A
G
6
A
N1
G
4
1_555
A
C
17
A
N3
C
15
1_555
hydrog
WATSON-CRICK
A
G
6
A
N2
G
4
1_555
A
C
17
A
O2
C
15
1_555
hydrog
WATSON-CRICK
A
G
6
A
O6
G
4
1_555
A
C
17
A
N4
C
15
1_555
hydrog
WATSON-CRICK
A
U
7
A
N3
U
5
1_555
A
A
16
A
N1
A
14
1_555
hydrog
WATSON-CRICK
A
U
7
A
O4
U
5
1_555
A
A
16
A
N6
A
14
1_555
hydrog
WATSON-CRICK
A
G
10
A
N1
G
8
1_555
B
C
32
B
N3
C
11
1_555
hydrog
WATSON-CRICK
A
G
10
A
N2
G
8
1_555
B
C
32
B
O2
C
11
1_555
hydrog
WATSON-CRICK
A
G
10
A
O6
G
8
1_555
B
C
32
B
N4
C
11
1_555
hydrog
WATSON-CRICK
A
A
11
A
N1
A
9
1_555
B
U
31
B
N3
U
10
1_555
hydrog
WATSON-CRICK
A
A
11
A
N6
A
9
1_555
B
U
31
B
O4
U
10
1_555
hydrog
WATSON-CRICK
A
G
12
A
N1
G
10
1_555
B
C
30
B
N3
C
9
1_555
hydrog
WATSON-CRICK
A
G
12
A
N2
G
10
1_555
B
C
30
B
O2
C
9
1_555
hydrog
WATSON-CRICK
A
G
12
A
O6
G
10
1_555
B
C
30
B
N4
C
9
1_555
hydrog
WATSON-CRICK
A
G
13
A
N1
G
11
1_555
B
C
29
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
13
A
N2
G
11
1_555
B
C
29
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
13
A
O6
G
11
1_555
B
C
29
B
N4
C
8
1_555
hydrog
WATSON-CRICK
A
A
14
A
N1
A
12
1_555
B
U
28
B
N3
U
7
1_555
hydrog
WATSON-CRICK
A
A
14
A
N6
A
12
1_555
B
U
28
B
O4
U
7
1_555
hydrog
WATSON-CRICK
A
C
15
A
N3
C
13
1_555
B
G
27
B
N1
G
6
1_555
hydrog
WATSON-CRICK
A
C
15
A
N4
C
13
1_555
B
G
27
B
O6
G
6
1_555
hydrog
WATSON-CRICK
A
C
15
A
O2
C
13
1_555
B
G
27
B
N2
G
6
1_555
hydrog
C-A MISPAIR
A
C
17
A
O2
C
15
1_555
B
A
26
B
N6
A
5
1_555
hydrog
G-A MISPAIR
A
G
19
A
N2
G
17
1_555
B
A
23
B
N3
A
2
1_555
RNA
RNA APTAMER, PSEUDOKNOT, BIOTIN-BINDING RNA, RNA
1F27
PDB
1
1F27
1F27
PDB
2
1F27
3
21
1F27
3
21
1F27
A
1
1
19
22
32
1F27
22
32
1F27
B
2
1
11
BINDING SITE FOR RESIDUE MG A 34
A
MG
34
Software
8
BINDING SITE FOR RESIDUE MG A 35
A
MG
35
Software
4
BINDING SITE FOR RESIDUE MG A 36
A
MG
36
Software
6
BINDING SITE FOR RESIDUE MG A 37
A
MG
37
Software
6
BINDING SITE FOR RESIDUE MG B 38
B
MG
38
Software
6
BINDING SITE FOR RESIDUE MG A 39
A
MG
39
Software
9
BINDING SITE FOR RESIDUE BTN A 33
A
BTN
33
Software
10
A
MG
39
G
MG
8
2_655
A
HOH
43
J
HOH
8
1_555
A
HOH
163
J
HOH
8
1_555
A
HOH
169
J
HOH
8
2_655
A
HOH
171
J
HOH
8
1_555
A
HOH
199
J
HOH
8
1_555
A
HOH
200
J
HOH
8
1_555
A
HOH
201
J
HOH
8
1_555
A
U
7
A
U
5
4
1_555
A
HOH
162
J
HOH
4
1_555
A
HOH
164
J
HOH
4
1_555
A
HOH
173
J
HOH
4
1_555
A
A
9
A
A
7
6
1_555
A
HOH
65
J
HOH
6
1_555
A
HOH
165
J
HOH
6
1_555
A
HOH
166
J
HOH
6
1_555
A
HOH
167
J
HOH
6
1_555
A
HOH
168
J
HOH
6
1_555
A
C
8
A
C
6
6
1_555
A
HOH
105
J
HOH
6
1_555
A
HOH
170
J
HOH
6
1_555
A
HOH
172
J
HOH
6
1_555
A
HOH
202
J
HOH
6
1_555
A
HOH
203
J
HOH
6
1_555
A
BTN
33
H
BTN
6
1_555
A
HOH
159
J
HOH
6
1_555
A
HOH
160
J
HOH
6
1_555
B
A
25
B
A
4
6
1_555
B
HOH
158
K
HOH
6
1_555
B
HOH
161
K
HOH
6
1_555
A
MG
34
C
MG
9
2_655
A
HOH
43
J
HOH
9
2_655
A
HOH
169
J
HOH
9
1_555
A
HOH
171
J
HOH
9
2_655
A
HOH
197
J
HOH
9
2_655
A
HOH
197
J
HOH
9
1_555
A
HOH
198
J
HOH
9
2_655
A
HOH
198
J
HOH
9
1_555
A
HOH
199
J
HOH
9
2_655
A
G
6
A
G
4
10
1_555
A
U
7
A
U
5
10
1_555
A
HOH
159
J
HOH
10
1_555
A
HOH
160
J
HOH
10
1_555
B
A
26
B
A
5
10
1_555
B
G
27
B
G
6
10
1_555
B
MG
38
I
MG
10
1_555
B
HOH
53
K
HOH
10
1_555
B
HOH
158
K
HOH
10
1_555
B
HOH
161
K
HOH
10
1_555
5
monoclinic
C 1 2 1