0.011100
0.000000
0.000000
0.000000
0.011100
0.000000
0.000000
0.000000
0.011100
0.00000
0.00000
0.00000
Robinson, K.E.
Orans, J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
48
90.00
90.00
90.00
90.087
90.087
90.087
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
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
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
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
H
N
74
N
N
N
75
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
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
H
N
112
N
H
N
113
N
N
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
N
N
124
S
C
N
125
N
C
N
126
N
O
N
127
N
C
Y
128
N
C
Y
129
N
N
Y
130
N
C
Y
131
N
C
Y
132
N
N
N
133
N
O
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
O
N
145
N
H
N
146
N
H
N
147
N
N
N
148
S
C
N
149
N
C
N
150
N
O
N
151
S
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
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
N
N
170
S
C
N
171
N
C
N
172
N
O
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
O
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
H
N
190
N
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
N
N
200
N
O
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
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
N
N
217
S
C
N
218
N
C
N
219
N
O
N
220
N
C
N
221
N
C
N
222
N
S
N
223
N
C
N
224
N
O
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
N
N
237
S
C
N
238
N
C
N
239
N
O
N
240
N
C
Y
241
N
C
Y
242
N
C
Y
243
N
C
Y
244
N
C
Y
245
N
C
Y
246
N
C
N
247
N
O
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
N
N
260
S
C
N
261
N
C
N
262
N
O
N
263
N
C
N
264
N
C
N
265
N
C
N
266
N
O
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
N
N
277
S
C
N
278
N
C
N
279
N
O
N
280
N
C
N
281
N
O
N
282
N
O
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
R
C
N
295
N
O
N
296
N
C
N
297
N
O
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
N
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
N
321
N
O
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
N
N
335
S
C
N
336
N
C
N
337
N
O
N
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
Y
342
N
C
Y
343
N
C
Y
344
N
C
N
345
N
O
N
346
N
O
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
N
N
359
S
C
N
360
N
C
N
361
N
O
N
362
N
C
N
363
N
C
N
364
N
C
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
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
doub
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
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
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
doub
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
sing
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
sing
N
76
N
doub
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
doub
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
doub
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
doub
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
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
Y
127
N
sing
Y
128
N
doub
Y
129
N
doub
N
130
N
sing
Y
131
N
sing
N
132
N
sing
Y
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
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
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
doub
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
doub
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
sing
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
doub
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
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
doub
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
Y
235
N
doub
Y
236
N
sing
Y
237
N
sing
N
238
N
sing
Y
239
N
doub
N
240
N
sing
Y
241
N
doub
N
242
N
sing
Y
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
doub
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
Y
304
N
doub
Y
305
N
sing
Y
306
N
sing
N
307
N
sing
Y
308
N
doub
Y
309
N
sing
Y
310
N
sing
N
311
N
sing
Y
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
doub
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
Y
332
N
doub
Y
333
N
sing
Y
334
N
sing
N
335
N
sing
Y
336
N
doub
N
337
N
sing
Y
338
N
doub
N
339
N
sing
Y
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
doub
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
UK
Nucleic Acids Res.
NARHAD
0389
0305-1048
42
2736
2749
10.1093/nar/gkt1171
24288369
Mapping Hfq-RNA interaction surfaces using tryptophan fluorescence quenching.
2014
10.2210/pdb4jri/pdb
pdb_00004jri
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
CCD
MARMOSAIC 225 mm CCD
SINGLE WAVELENGTH
M
x-ray
1
1.0
22-BM
APS
SYNCHROTRON
APS BEAMLINE 22-BM
7673.911
Protein hfq
UNP residues 2-69
F39W
4
man
polymer
18.015
water
128
nat
water
HF-1, Host factor-I protein, HF-I
no
no
AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESWDQFVILLKNTVSQMVYKHAISTVVPSRPVS
AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESWDQFVILLKNTVSQMVYKHAISTVVPSRPVS
A,B,C,D
polypeptide(L)
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
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
n
n
n
n
n
n
n
n
K12
sample
hfq, b4172, JW4130
83333
Escherichia coli
1
1.98
38.03
chem_comp_atom
chem_comp_bond
database_2
struct_ref_seq_dif
repository
Initial release
Database references
Data collection
Database references
1
0
2013-12-11
1
1
2014-03-12
1
2
2024-02-28
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
RCSB
Y
RCSB
2013-03-21
REL
REL
HOH
water
HOH
19
2
HOH
HOH
101
A
HOH
27
2
HOH
HOH
102
A
HOH
29
2
HOH
HOH
103
A
HOH
33
2
HOH
HOH
104
A
HOH
35
2
HOH
HOH
105
A
HOH
38
2
HOH
HOH
106
A
HOH
41
2
HOH
HOH
107
A
HOH
44
2
HOH
HOH
108
A
HOH
48
2
HOH
HOH
109
A
HOH
49
2
HOH
HOH
110
A
HOH
79
2
HOH
HOH
111
A
HOH
83
2
HOH
HOH
112
A
HOH
84
2
HOH
HOH
113
A
HOH
85
2
HOH
HOH
114
A
HOH
93
2
HOH
HOH
115
A
HOH
94
2
HOH
HOH
116
A
HOH
167
2
HOH
HOH
117
A
HOH
168
2
HOH
HOH
118
A
HOH
169
2
HOH
HOH
119
A
HOH
170
2
HOH
HOH
120
A
HOH
173
2
HOH
HOH
121
A
HOH
175
2
HOH
HOH
122
A
HOH
176
2
HOH
HOH
123
A
HOH
178
2
HOH
HOH
124
A
HOH
179
2
HOH
HOH
125
A
HOH
217
2
HOH
HOH
126
A
HOH
219
2
HOH
HOH
127
A
HOH
221
2
HOH
HOH
128
A
HOH
222
2
HOH
HOH
129
A
HOH
223
2
HOH
HOH
130
A
HOH
227
2
HOH
HOH
131
A
HOH
228
2
HOH
HOH
132
A
HOH
229
2
HOH
HOH
133
A
HOH
230
2
HOH
HOH
134
A
HOH
231
2
HOH
HOH
135
A
HOH
232
2
HOH
HOH
136
A
HOH
234
2
HOH
HOH
137
A
HOH
235
2
HOH
HOH
138
A
HOH
236
2
HOH
HOH
139
A
HOH
237
2
HOH
HOH
140
A
HOH
242
2
HOH
HOH
141
A
HOH
244
2
HOH
HOH
142
A
HOH
6
2
HOH
HOH
101
B
HOH
99
2
HOH
HOH
102
B
HOH
100
2
HOH
HOH
103
B
HOH
101
2
HOH
HOH
104
B
HOH
102
2
HOH
HOH
105
B
HOH
103
2
HOH
HOH
106
B
HOH
104
2
HOH
HOH
107
B
HOH
105
2
HOH
HOH
108
B
HOH
106
2
HOH
HOH
109
B
HOH
108
2
HOH
HOH
110
B
HOH
112
2
HOH
HOH
111
B
HOH
113
2
HOH
HOH
112
B
HOH
114
2
HOH
HOH
113
B
HOH
115
2
HOH
HOH
114
B
HOH
116
2
HOH
HOH
115
B
HOH
117
2
HOH
HOH
116
B
HOH
118
2
HOH
HOH
117
B
HOH
119
2
HOH
HOH
118
B
HOH
120
2
HOH
HOH
119
B
HOH
121
2
HOH
HOH
120
B
HOH
124
2
HOH
HOH
121
B
HOH
125
2
HOH
HOH
122
B
HOH
126
2
HOH
HOH
123
B
HOH
127
2
HOH
HOH
124
B
HOH
128
2
HOH
HOH
125
B
HOH
129
2
HOH
HOH
126
B
HOH
133
2
HOH
HOH
127
B
HOH
166
2
HOH
HOH
128
B
HOH
185
2
HOH
HOH
129
B
HOH
186
2
HOH
HOH
130
B
HOH
187
2
HOH
HOH
131
B
HOH
188
2
HOH
HOH
132
B
HOH
189
2
HOH
HOH
133
B
HOH
190
2
HOH
HOH
134
B
HOH
191
2
HOH
HOH
135
B
HOH
192
2
HOH
HOH
136
B
HOH
193
2
HOH
HOH
137
B
HOH
195
2
HOH
HOH
138
B
HOH
218
2
HOH
HOH
139
B
HOH
220
2
HOH
HOH
140
B
HOH
224
2
HOH
HOH
141
B
HOH
225
2
HOH
HOH
142
B
HOH
226
2
HOH
HOH
143
B
HOH
233
2
HOH
HOH
144
B
HOH
238
2
HOH
HOH
145
B
HOH
239
2
HOH
HOH
146
B
HOH
240
2
HOH
HOH
147
B
HOH
241
2
HOH
HOH
148
B
HOH
243
2
HOH
HOH
149
B
HOH
245
2
HOH
HOH
150
B
HOH
140
2
HOH
HOH
101
C
HOH
143
2
HOH
HOH
102
C
HOH
147
2
HOH
HOH
103
C
HOH
150
2
HOH
HOH
104
C
HOH
196
2
HOH
HOH
105
C
HOH
199
2
HOH
HOH
106
C
HOH
200
2
HOH
HOH
107
C
HOH
212
2
HOH
HOH
108
C
HOH
247
2
HOH
HOH
109
C
HOH
248
2
HOH
HOH
110
C
HOH
249
2
HOH
HOH
111
C
HOH
250
2
HOH
HOH
112
C
HOH
251
2
HOH
HOH
113
C
HOH
252
2
HOH
HOH
114
C
HOH
253
2
HOH
HOH
115
C
HOH
254
2
HOH
HOH
116
C
HOH
255
2
HOH
HOH
117
C
HOH
74
2
HOH
HOH
101
D
HOH
153
2
HOH
HOH
102
D
HOH
154
2
HOH
HOH
103
D
HOH
163
2
HOH
HOH
104
D
HOH
210
2
HOH
HOH
105
D
HOH
216
2
HOH
HOH
106
D
HOH
246
2
HOH
HOH
107
D
HOH
256
2
HOH
HOH
108
D
HOH
257
2
HOH
HOH
109
D
HOH
258
2
HOH
HOH
110
D
HOH
259
2
HOH
HOH
111
D
HOH
260
2
HOH
HOH
112
D
HOH
261
2
HOH
HOH
113
D
HOH
262
2
HOH
HOH
114
D
HOH
263
2
HOH
HOH
115
D
HOH
264
2
HOH
HOH
116
D
HOH
265
2
HOH
HOH
117
D
HOH
266
2
HOH
HOH
118
D
HOH
267
2
HOH
HOH
119
D
n
1
2
A
n
2
3
A
n
3
4
A
n
4
5
A
SER
6
n
5
SER
6
A
LEU
7
n
6
LEU
7
A
GLN
8
n
7
GLN
8
A
ASP
9
n
8
ASP
9
A
PRO
10
n
9
PRO
10
A
PHE
11
n
10
PHE
11
A
LEU
12
n
11
LEU
12
A
ASN
13
n
12
ASN
13
A
ALA
14
n
13
ALA
14
A
LEU
15
n
14
LEU
15
A
ARG
16
n
15
ARG
16
A
ARG
17
n
16
ARG
17
A
GLU
18
n
17
GLU
18
A
ARG
19
n
18
ARG
19
A
VAL
20
n
19
VAL
20
A
PRO
21
n
20
PRO
21
A
VAL
22
n
21
VAL
22
A
SER
23
n
22
SER
23
A
ILE
24
n
23
ILE
24
A
TYR
25
n
24
TYR
25
A
LEU
26
n
25
LEU
26
A
VAL
27
n
26
VAL
27
A
ASN
28
n
27
ASN
28
A
GLY
29
n
28
GLY
29
A
ILE
30
n
29
ILE
30
A
LYS
31
n
30
LYS
31
A
LEU
32
n
31
LEU
32
A
GLN
33
n
32
GLN
33
A
GLY
34
n
33
GLY
34
A
GLN
35
n
34
GLN
35
A
ILE
36
n
35
ILE
36
A
GLU
37
n
36
GLU
37
A
SER
38
n
37
SER
38
A
TRP
39
n
38
TRP
39
A
ASP
40
n
39
ASP
40
A
GLN
41
n
40
GLN
41
A
PHE
42
n
41
PHE
42
A
VAL
43
n
42
VAL
43
A
ILE
44
n
43
ILE
44
A
LEU
45
n
44
LEU
45
A
LEU
46
n
45
LEU
46
A
LYS
47
n
46
LYS
47
A
ASN
48
n
47
ASN
48
A
THR
49
n
48
THR
49
A
VAL
50
n
49
VAL
50
A
SER
51
n
50
SER
51
A
GLN
52
n
51
GLN
52
A
MET
53
n
52
MET
53
A
VAL
54
n
53
VAL
54
A
TYR
55
n
54
TYR
55
A
LYS
56
n
55
LYS
56
A
HIS
57
n
56
HIS
57
A
ALA
58
n
57
ALA
58
A
ILE
59
n
58
ILE
59
A
SER
60
n
59
SER
60
A
THR
61
n
60
THR
61
A
VAL
62
n
61
VAL
62
A
VAL
63
n
62
VAL
63
A
PRO
64
n
63
PRO
64
A
SER
65
n
64
SER
65
A
ARG
66
n
65
ARG
66
A
PRO
67
n
66
PRO
67
A
VAL
68
n
67
VAL
68
A
n
68
69
A
n
1
2
B
n
2
3
B
n
3
4
B
GLN
5
n
4
GLN
5
B
SER
6
n
5
SER
6
B
LEU
7
n
6
LEU
7
B
GLN
8
n
7
GLN
8
B
ASP
9
n
8
ASP
9
B
PRO
10
n
9
PRO
10
B
PHE
11
n
10
PHE
11
B
LEU
12
n
11
LEU
12
B
ASN
13
n
12
ASN
13
B
ALA
14
n
13
ALA
14
B
LEU
15
n
14
LEU
15
B
ARG
16
n
15
ARG
16
B
ARG
17
n
16
ARG
17
B
GLU
18
n
17
GLU
18
B
ARG
19
n
18
ARG
19
B
VAL
20
n
19
VAL
20
B
PRO
21
n
20
PRO
21
B
VAL
22
n
21
VAL
22
B
SER
23
n
22
SER
23
B
ILE
24
n
23
ILE
24
B
TYR
25
n
24
TYR
25
B
LEU
26
n
25
LEU
26
B
VAL
27
n
26
VAL
27
B
ASN
28
n
27
ASN
28
B
GLY
29
n
28
GLY
29
B
ILE
30
n
29
ILE
30
B
LYS
31
n
30
LYS
31
B
LEU
32
n
31
LEU
32
B
GLN
33
n
32
GLN
33
B
GLY
34
n
33
GLY
34
B
GLN
35
n
34
GLN
35
B
ILE
36
n
35
ILE
36
B
GLU
37
n
36
GLU
37
B
SER
38
n
37
SER
38
B
TRP
39
n
38
TRP
39
B
ASP
40
n
39
ASP
40
B
GLN
41
n
40
GLN
41
B
PHE
42
n
41
PHE
42
B
VAL
43
n
42
VAL
43
B
ILE
44
n
43
ILE
44
B
LEU
45
n
44
LEU
45
B
LEU
46
n
45
LEU
46
B
LYS
47
n
46
LYS
47
B
ASN
48
n
47
ASN
48
B
THR
49
n
48
THR
49
B
VAL
50
n
49
VAL
50
B
SER
51
n
50
SER
51
B
GLN
52
n
51
GLN
52
B
MET
53
n
52
MET
53
B
VAL
54
n
53
VAL
54
B
TYR
55
n
54
TYR
55
B
LYS
56
n
55
LYS
56
B
HIS
57
n
56
HIS
57
B
ALA
58
n
57
ALA
58
B
ILE
59
n
58
ILE
59
B
SER
60
n
59
SER
60
B
THR
61
n
60
THR
61
B
VAL
62
n
61
VAL
62
B
VAL
63
n
62
VAL
63
B
PRO
64
n
63
PRO
64
B
SER
65
n
64
SER
65
B
ARG
66
n
65
ARG
66
B
PRO
67
n
66
PRO
67
B
VAL
68
n
67
VAL
68
B
n
68
69
B
n
1
2
C
n
2
3
C
n
3
4
C
GLN
5
n
4
GLN
5
C
SER
6
n
5
SER
6
C
LEU
7
n
6
LEU
7
C
GLN
8
n
7
GLN
8
C
ASP
9
n
8
ASP
9
C
PRO
10
n
9
PRO
10
C
PHE
11
n
10
PHE
11
C
LEU
12
n
11
LEU
12
C
ASN
13
n
12
ASN
13
C
ALA
14
n
13
ALA
14
C
LEU
15
n
14
LEU
15
C
ARG
16
n
15
ARG
16
C
ARG
17
n
16
ARG
17
C
GLU
18
n
17
GLU
18
C
ARG
19
n
18
ARG
19
C
VAL
20
n
19
VAL
20
C
PRO
21
n
20
PRO
21
C
VAL
22
n
21
VAL
22
C
SER
23
n
22
SER
23
C
ILE
24
n
23
ILE
24
C
TYR
25
n
24
TYR
25
C
LEU
26
n
25
LEU
26
C
VAL
27
n
26
VAL
27
C
ASN
28
n
27
ASN
28
C
GLY
29
n
28
GLY
29
C
ILE
30
n
29
ILE
30
C
LYS
31
n
30
LYS
31
C
LEU
32
n
31
LEU
32
C
GLN
33
n
32
GLN
33
C
GLY
34
n
33
GLY
34
C
GLN
35
n
34
GLN
35
C
ILE
36
n
35
ILE
36
C
GLU
37
n
36
GLU
37
C
SER
38
n
37
SER
38
C
TRP
39
n
38
TRP
39
C
ASP
40
n
39
ASP
40
C
GLN
41
n
40
GLN
41
C
PHE
42
n
41
PHE
42
C
VAL
43
n
42
VAL
43
C
ILE
44
n
43
ILE
44
C
LEU
45
n
44
LEU
45
C
LEU
46
n
45
LEU
46
C
LYS
47
n
46
LYS
47
C
ASN
48
n
47
ASN
48
C
THR
49
n
48
THR
49
C
VAL
50
n
49
VAL
50
C
SER
51
n
50
SER
51
C
GLN
52
n
51
GLN
52
C
MET
53
n
52
MET
53
C
VAL
54
n
53
VAL
54
C
TYR
55
n
54
TYR
55
C
LYS
56
n
55
LYS
56
C
HIS
57
n
56
HIS
57
C
ALA
58
n
57
ALA
58
C
ILE
59
n
58
ILE
59
C
SER
60
n
59
SER
60
C
THR
61
n
60
THR
61
C
VAL
62
n
61
VAL
62
C
VAL
63
n
62
VAL
63
C
PRO
64
n
63
PRO
64
C
SER
65
n
64
SER
65
C
ARG
66
n
65
ARG
66
C
PRO
67
n
66
PRO
67
C
VAL
68
n
67
VAL
68
C
n
68
69
C
n
1
2
D
n
2
3
D
n
3
4
D
GLN
5
n
4
GLN
5
D
SER
6
n
5
SER
6
D
LEU
7
n
6
LEU
7
D
GLN
8
n
7
GLN
8
D
ASP
9
n
8
ASP
9
D
PRO
10
n
9
PRO
10
D
PHE
11
n
10
PHE
11
D
LEU
12
n
11
LEU
12
D
ASN
13
n
12
ASN
13
D
ALA
14
n
13
ALA
14
D
LEU
15
n
14
LEU
15
D
ARG
16
n
15
ARG
16
D
ARG
17
n
16
ARG
17
D
GLU
18
n
17
GLU
18
D
ARG
19
n
18
ARG
19
D
VAL
20
n
19
VAL
20
D
PRO
21
n
20
PRO
21
D
VAL
22
n
21
VAL
22
D
SER
23
n
22
SER
23
D
ILE
24
n
23
ILE
24
D
TYR
25
n
24
TYR
25
D
LEU
26
n
25
LEU
26
D
VAL
27
n
26
VAL
27
D
ASN
28
n
27
ASN
28
D
GLY
29
n
28
GLY
29
D
ILE
30
n
29
ILE
30
D
LYS
31
n
30
LYS
31
D
LEU
32
n
31
LEU
32
D
GLN
33
n
32
GLN
33
D
GLY
34
n
33
GLY
34
D
GLN
35
n
34
GLN
35
D
ILE
36
n
35
ILE
36
D
GLU
37
n
36
GLU
37
D
SER
38
n
37
SER
38
D
TRP
39
n
38
TRP
39
D
ASP
40
n
39
ASP
40
D
GLN
41
n
40
GLN
41
D
PHE
42
n
41
PHE
42
D
VAL
43
n
42
VAL
43
D
ILE
44
n
43
ILE
44
D
LEU
45
n
44
LEU
45
D
LEU
46
n
45
LEU
46
D
LYS
47
n
46
LYS
47
D
ASN
48
n
47
ASN
48
D
THR
49
n
48
THR
49
D
VAL
50
n
49
VAL
50
D
SER
51
n
50
SER
51
D
GLN
52
n
51
GLN
52
D
MET
53
n
52
MET
53
D
VAL
54
n
53
VAL
54
D
TYR
55
n
54
TYR
55
D
LYS
56
n
55
LYS
56
D
HIS
57
n
56
HIS
57
D
ALA
58
n
57
ALA
58
D
ILE
59
n
58
ILE
59
D
SER
60
n
59
SER
60
D
THR
61
n
60
THR
61
D
VAL
62
n
61
VAL
62
D
VAL
63
n
62
VAL
63
D
PRO
64
n
63
PRO
64
D
SER
65
n
64
SER
65
D
ARG
66
n
65
ARG
66
D
PRO
67
n
66
PRO
67
D
VAL
68
n
67
VAL
68
D
n
68
69
D
author_and_software_defined_assembly
PISA
6
hexameric
author_and_software_defined_assembly
PISA
6
hexameric
8840
-77
17310
8860
-78
17880
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
0.0000000000
0.0000000000
-1.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
8_544
-z,x-1/2,-y-1/2
crystal symmetry operation
0.0000000000
-45.0435000000
-45.0435000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
-1.0000000000
0.0000000000
0.0000000000
11_545
y+1/2,-z-1/2,-x
crystal symmetry operation
45.0435000000
-45.0435000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
6_544
z+1/2,-x-1/2,-y-1
crystal symmetry operation
45.0435000000
-45.0435000000
-90.0870000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
1.0000000000
0.0000000000
0.0000000000
12_444
-y-1/2,-z-1,x-1/2
crystal symmetry operation
-45.0435000000
-90.0870000000
-45.0435000000
A
O
VAL
54
A
O
VAL
53
A
N
ILE
44
A
N
ILE
43
A
O
LYS
47
A
O
LYS
46
A
N
GLN
35
A
N
GLN
34
A
O
GLY
34
A
O
GLY
33
A
N
VAL
22
A
N
VAL
21
A
N
TYR
25
A
N
TYR
24
A
O
SER
60
A
O
SER
59
A
N
VAL
62
A
N
VAL
61
B
O
MET
53
B
O
MET
52
B
O
VAL
54
B
O
VAL
53
B
N
ILE
44
B
N
ILE
43
B
O
LYS
47
B
O
LYS
46
B
N
GLN
35
B
N
GLN
34
B
O
LEU
32
B
O
LEU
31
B
N
ILE
24
B
N
ILE
23
B
N
TYR
25
B
N
TYR
24
B
O
SER
60
B
O
SER
59
C
O
VAL
54
C
O
VAL
53
C
N
ILE
44
C
N
ILE
43
C
O
LYS
47
C
O
LYS
46
C
N
GLN
35
C
N
GLN
34
C
O
LEU
32
C
O
LEU
31
C
N
ILE
24
C
N
ILE
23
C
N
SER
23
C
N
SER
22
C
O
VAL
63
C
O
VAL
62
C
N
SER
60
C
N
SER
59
D
O
TYR
55
D
O
TYR
54
D
O
VAL
54
D
O
VAL
53
D
N
ILE
44
D
N
ILE
43
D
O
LYS
47
D
O
LYS
46
D
N
GLN
35
D
N
GLN
34
D
O
GLY
34
D
O
GLY
33
D
N
VAL
22
D
N
VAL
21
D
N
TYR
25
D
N
TYR
24
D
O
SER
60
D
O
SER
59
1
B
HOH
117
F
HOH
1
B
HOH
118
F
HOH
1
B
HOH
129
F
HOH
1
D
HOH
112
H
HOH
1
A
ALA
2
A
ALA
1
1
Y
1
A
LYS
3
A
LYS
2
1
Y
1
A
GLY
4
A
GLY
3
1
Y
1
A
GLN
5
A
GLN
4
1
Y
1
A
SER
69
A
SER
68
1
Y
1
B
ALA
2
B
ALA
1
1
Y
1
B
LYS
3
B
LYS
2
1
Y
1
B
GLY
4
B
GLY
3
1
Y
1
B
SER
69
B
SER
68
1
Y
1
C
ALA
2
C
ALA
1
1
Y
1
C
LYS
3
C
LYS
2
1
Y
1
C
GLY
4
C
GLY
3
1
Y
1
C
SER
69
C
SER
68
1
Y
1
D
ALA
2
D
ALA
1
1
Y
1
D
LYS
3
D
LYS
2
1
Y
1
D
GLY
4
D
GLY
3
1
Y
1
D
SER
69
D
SER
68
1
Y
1
B
B
O
O
HOH
HOH
107
150
2.05
1
B
B
O
O
HOH
HOH
102
135
2.07
1
B
B
O
O
HOH
HOH
113
150
2.08
1
B
B
O
O
HOH
HOH
121
133
2.09
1
B
B
OG
O
SER
HOH
65
120
2.11
B
1
A
A
O
O
HOH
HOH
120
132
2.16
1
B
B
O
O
HOH
HOH
102
103
2.17
1
B
B
O
O
HOH
HOH
119
119
1.90
1_555
5_555
1
C
D
OH
OE1
TYR
GLN
55
8
2.18
1_555
6_544
1
A
ASP
40
-139.12
-158.63
1
A
ASN
48
-164.17
-113.05
1
B
ASP
40
-136.59
-156.71
1
B
ASN
48
-161.30
-80.03
1
C
SER
6
-62.61
87.29
1
C
ASP
40
-134.82
-151.01
1
C
ASN
48
-159.11
-119.46
1
D
SER
6
-127.80
-70.69
1
D
ASP
40
-136.34
-152.02
1
D
ASN
48
-164.67
-110.07
0.2573
0.2052
0.2078
1.829
24.077
1105
21700
5.09
99.60
0.24
1
1.34
MOLECULAR REPLACEMENT
26.60
0.90
1.11
MLHL
FLAT BULK SOLVENT MODEL
1.829
24.077
128
2183
0
0
2055
0.008
2205
1.207
3031
14.857
869
0.087
365
0.005
385
0.2984
0.2595
1.9126
139
2531
99.00
0.2779
0.2414
2.0134
138
2548
100.00
0.3568
0.2383
2.1395
113
2584
100.00
0.2356
0.2147
2.3045
141
2562
100.00
0.2720
0.2166
2.5362
150
2552
100.00
0.2616
0.2134
2.9027
127
2608
100.00
0.2296
0.1996
3.6550
142
2592
100.00
0.2542
0.1858
24.0788
155
2618
98.00
1.829
24.077
4JRI
21700
0.06
1
refinement
PHENIX
(phenix.refine: 1.8_1069)
Crystal Structure of Escherichia coli Hfq Proximal Edge Mutant
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
A
LEU
7
A
LEU
6
HELX_P
A
GLU
18
A
GLU
17
1
1
12
B
LEU
7
B
LEU
6
HELX_P
B
GLU
18
B
GLU
17
1
2
12
C
LEU
7
C
LEU
6
HELX_P
C
GLU
18
C
GLU
17
1
3
12
D
LEU
7
D
LEU
6
HELX_P
D
GLU
18
D
GLU
17
1
4
12
RNA BINDING PROTEIN
Riboregulator, Post-transcriptional regulator, RNA BINDING PROTEIN
P0A6X3_ECO1E
UNP
1
2
P0A6X3
AKGQSLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPSRPVS
2
69
4JRI
2
69
P0A6X3
A
1
1
68
2
69
4JRI
2
69
P0A6X3
B
1
1
68
2
69
4JRI
2
69
P0A6X3
C
1
1
68
2
69
4JRI
2
69
P0A6X3
D
1
1
68
1
PHE
engineered mutation
TRP
39
4JRI
A
P0A6X3
UNP
39
38
2
PHE
engineered mutation
TRP
39
4JRI
B
P0A6X3
UNP
39
38
3
PHE
engineered mutation
TRP
39
4JRI
C
P0A6X3
UNP
39
38
4
PHE
engineered mutation
TRP
39
4JRI
D
P0A6X3
UNP
39
38
10
10
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
GLN
52
A
GLN
51
A
TYR
55
A
TYR
54
A
VAL
43
A
VAL
42
A
LYS
47
A
LYS
46
A
LYS
31
A
LYS
30
A
TRP
39
A
TRP
38
A
PRO
21
A
PRO
20
A
LEU
26
A
LEU
25
A
ILE
59
A
ILE
58
A
PRO
64
A
PRO
63
B
SER
51
B
SER
50
B
TYR
55
B
TYR
54
B
VAL
43
B
VAL
42
B
LYS
47
B
LYS
46
B
LYS
31
B
LYS
30
B
TRP
39
B
TRP
38
B
VAL
22
B
VAL
21
B
LEU
26
B
LEU
25
B
ILE
59
B
ILE
58
B
PRO
64
B
PRO
63
C
SER
51
C
SER
50
C
TYR
55
C
TYR
54
C
VAL
43
C
VAL
42
C
LYS
47
C
LYS
46
C
LYS
31
C
LYS
30
C
TRP
39
C
TRP
38
C
VAL
22
C
VAL
21
C
LEU
26
C
LEU
25
C
ILE
59
C
ILE
58
C
PRO
64
C
PRO
63
D
GLN
52
D
GLN
51
D
TYR
55
D
TYR
54
D
VAL
43
D
VAL
42
D
LYS
47
D
LYS
46
D
LYS
31
D
LYS
30
D
TRP
39
D
TRP
38
D
VAL
22
D
VAL
21
D
LEU
26
D
LEU
25
D
ILE
59
D
ILE
58
D
PRO
64
D
PRO
63
198
P 21 3