0.009598
0.005542
-0.000000
0.000000
0.011083
-0.000000
0.000000
0.000000
0.005911
0.00000
0.00000
0.00000
Campbell, E.A.
Muzzin, O.
Chlenov, M.
Sun, J.L.
Olson, C.A.
Weinman, O.
Trester-Zedlitz, M.L.
Darst, S.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
104.186
104.186
169.181
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
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
S
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
O
N
153
N
H
N
154
N
H
N
155
N
H
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
N
N
167
S
C
N
168
N
C
N
169
N
O
N
170
N
C
N
171
N
C
N
172
N
C
N
173
N
C
N
174
N
O
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
N
N
189
S
C
N
190
N
C
N
191
N
O
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
C
N
196
N
N
N
197
N
O
N
198
N
H
N
199
N
H
N
200
N
H
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
N
N
214
S
C
N
215
N
C
N
216
N
O
N
217
N
C
N
218
N
C
N
219
N
S
N
220
N
C
N
221
N
O
N
222
N
H
N
223
N
H
N
224
N
H
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
N
N
234
S
C
N
235
N
C
N
236
N
O
N
237
N
C
Y
238
N
C
Y
239
N
C
Y
240
N
C
Y
241
N
C
Y
242
N
C
Y
243
N
C
N
244
N
O
N
245
N
H
N
246
N
H
N
247
N
H
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
N
N
257
S
C
N
258
N
C
N
259
N
O
N
260
N
C
N
261
N
C
N
262
N
C
N
263
N
O
N
264
N
H
N
265
N
H
N
266
N
H
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
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
O
N
279
N
O
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
S
N
288
N
O
N
289
N
O
N
290
N
O
N
291
N
O
N
292
N
N
N
293
S
C
N
294
N
C
N
295
N
O
N
296
R
C
N
297
N
O
N
298
N
C
N
299
N
O
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
H
N
308
N
H
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
N
Y
318
N
C
Y
319
N
C
Y
320
N
C
Y
321
N
C
Y
322
N
C
N
323
N
O
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
H
N
335
N
H
N
336
N
N
N
337
S
C
N
338
N
C
N
339
N
O
N
340
N
C
Y
341
N
C
Y
342
N
C
Y
343
N
C
Y
344
N
C
Y
345
N
C
Y
346
N
C
N
347
N
O
N
348
N
O
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
H
N
359
N
H
N
360
N
N
N
361
S
C
N
362
N
C
N
363
N
O
N
364
N
C
N
365
N
C
N
366
N
C
N
367
N
O
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
377
N
H
N
378
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
doub
N
144
N
sing
N
145
N
sing
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
doub
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
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
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
doub
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
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
doub
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
Y
233
N
doub
Y
234
N
sing
Y
235
N
sing
N
236
N
sing
Y
237
N
doub
N
238
N
sing
Y
239
N
doub
N
240
N
sing
Y
241
N
sing
N
242
N
sing
N
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
doub
N
252
N
sing
N
253
N
sing
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
doub
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
doub
N
276
N
doub
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
sing
N
284
N
sing
N
285
N
doub
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
sing
N
300
N
sing
N
301
N
doub
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
Y
306
N
doub
Y
307
N
sing
Y
308
N
sing
N
309
N
sing
Y
310
N
doub
Y
311
N
sing
Y
312
N
sing
N
313
N
sing
Y
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
317
N
doub
N
318
N
sing
Y
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
sing
N
328
N
sing
N
329
N
doub
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
Y
334
N
doub
Y
335
N
sing
Y
336
N
sing
N
337
N
sing
Y
338
N
doub
N
339
N
sing
Y
340
N
doub
N
341
N
sing
Y
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
sing
N
352
N
sing
N
353
N
doub
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
N
363
N
sing
N
364
N
sing
US
Mol.Cell
MOCEFL
2168
1097-2765
9
527
539
10.1016/S1097-2765(02)00470-7
11931761
Structure of the bacterial RNA polymerase promoter specificity sigma subunit.
2002
10.2210/pdb1ku2/pdb
pdb_00001ku2
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
93
1
CCD
2000-09-14
BRANDEIS - B4
Si 111
SINGLE WAVELENGTH
M
x-ray
1
.979
1.0
X25
NSLS
.979
SYNCHROTRON
NSLS BEAMLINE X25
27614.887
sigma factor sigA
residues 92-332
2
man
polymer
96.063
SULFATE ION
2
syn
non-polymer
no
no
TSDPVRQYLHEIGQVPLLTLEEEIDLARKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTARIQKIPGLKEKPDPKTV
EEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRRFKFS
TYATWWIRQAINRAIADQARTIRIPVHMVETINKLSRTARQLQQELGREPSYEEIAEAMGPGWDAKRVEETLKIAQEPVS
L
TSDPVRQYLHEIGQVPLLTLEEEIDLARKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTARIQKIPGLKEKPDPKTV
EEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRRFKFS
TYATWWIRQAINRAIADQARTIRIPVHMVETINKLSRTARQLQQELGREPSYEEIAEAMGPGWDAKRVEETLKIAQEPVS
L
A,B
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
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
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
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
Thermus
Escherichia
Escherichia coli
sample
271
Thermus aquaticus
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pET21A
1
4.80
74.36
VAPOR DIFFUSION, HANGING DROP
7.0
MOPS, ammonium sulfate, magnesium chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2002-04-03
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1ku3 is the Crystal structure of Thermus aquaticus RNA polymerase sigma subunit fragment, region 4.
1ku7 is the Crystal structure of Thermus aquatics RNA polymerase sigmaA subunit region 4 bound to -35 element DNA.
RCSB
Y
RCSB
2002-01-21
REL
SO4
SULFATE ION
SO4
1
2
SO4
SO4
1
A
SO4
2
2
SO4
SO4
2
A
n
1
92
A
ALA
93
n
2
SER
93
A
ASP
94
n
3
ASP
94
A
PRO
95
n
4
PRO
95
A
VAL
96
n
5
VAL
96
A
ARG
97
n
6
ARG
97
A
GLN
98
n
7
GLN
98
A
TYR
99
n
8
TYR
99
A
LEU
100
n
9
LEU
100
A
HIS
101
n
10
HIS
101
A
GLU
102
n
11
GLU
102
A
ILE
103
n
12
ILE
103
A
GLY
104
n
13
GLY
104
A
GLN
105
n
14
GLN
105
A
VAL
106
n
15
VAL
106
A
PRO
107
n
16
PRO
107
A
LEU
108
n
17
LEU
108
A
LEU
109
n
18
LEU
109
A
THR
110
n
19
THR
110
A
LEU
111
n
20
LEU
111
A
GLU
112
n
21
GLU
112
A
GLU
113
n
22
GLU
113
A
GLU
114
n
23
GLU
114
A
ILE
115
n
24
ILE
115
A
ASP
116
n
25
ASP
116
A
LEU
117
n
26
LEU
117
A
ALA
118
n
27
ALA
118
A
ARG
119
n
28
ARG
119
A
LYS
120
n
29
LYS
120
A
VAL
121
n
30
VAL
121
A
GLU
122
n
31
GLU
122
A
GLU
123
n
32
GLU
123
A
GLY
124
n
33
GLY
124
A
MET
125
n
34
MET
125
A
GLU
126
n
35
GLU
126
A
ALA
127
n
36
ALA
127
A
ILE
128
n
37
ILE
128
A
LYS
129
n
38
LYS
129
A
LYS
130
n
39
LYS
130
A
LEU
131
n
40
LEU
131
A
SER
132
n
41
SER
132
A
GLU
133
n
42
GLU
133
A
ALA
134
n
43
ALA
134
A
THR
135
n
44
THR
135
A
GLY
136
n
45
GLY
136
A
LEU
137
n
46
LEU
137
A
ASP
138
n
47
ASP
138
A
GLN
139
n
48
GLN
139
A
GLU
140
n
49
GLU
140
A
LEU
141
n
50
LEU
141
A
ILE
142
n
51
ILE
142
A
ARG
143
n
52
ARG
143
A
GLU
144
n
53
GLU
144
A
VAL
145
n
54
VAL
145
A
VAL
146
n
55
VAL
146
A
ARG
147
n
56
ARG
147
A
ALA
148
n
57
ALA
148
A
LYS
149
n
58
LYS
149
A
ILE
150
n
59
ILE
150
A
LEU
151
n
60
LEU
151
A
GLY
152
n
61
GLY
152
A
THR
153
n
62
THR
153
A
ALA
154
n
63
ALA
154
A
ARG
155
n
64
ARG
155
A
ILE
156
n
65
ILE
156
A
GLN
157
n
66
GLN
157
A
LYS
158
n
67
LYS
158
A
ILE
159
n
68
ILE
159
A
PRO
160
n
69
PRO
160
A
GLY
161
n
70
GLY
161
A
LEU
162
n
71
LEU
162
A
LYS
163
n
72
LYS
163
A
GLU
164
n
73
GLU
164
A
LYS
165
n
74
LYS
165
A
PRO
166
n
75
PRO
166
A
ASP
167
n
76
ASP
167
A
PRO
168
n
77
PRO
168
A
LYS
169
n
78
LYS
169
A
THR
170
n
79
THR
170
A
VAL
171
n
80
VAL
171
A
GLU
172
n
81
GLU
172
A
GLU
173
n
82
GLU
173
A
VAL
174
n
83
VAL
174
A
ASP
175
n
84
ASP
175
A
GLY
176
n
85
GLY
176
A
LYS
177
n
86
LYS
177
A
LEU
178
n
87
LEU
178
A
LYS
179
n
88
LYS
179
A
SER
180
n
89
SER
180
A
LEU
181
n
90
LEU
181
A
PRO
182
n
91
PRO
182
A
LYS
183
n
92
LYS
183
A
GLU
184
n
93
GLU
184
A
LEU
185
n
94
LEU
185
A
LYS
186
n
95
LYS
186
A
ARG
187
n
96
ARG
187
A
TYR
188
n
97
TYR
188
A
LEU
189
n
98
LEU
189
A
HIS
190
n
99
HIS
190
A
ILE
191
n
100
ILE
191
A
ALA
192
n
101
ALA
192
A
ARG
193
n
102
ARG
193
A
GLU
194
n
103
GLU
194
A
GLY
195
n
104
GLY
195
A
GLU
196
n
105
GLU
196
A
ALA
197
n
106
ALA
197
A
ALA
198
n
107
ALA
198
A
ARG
199
n
108
ARG
199
A
GLN
200
n
109
GLN
200
A
HIS
201
n
110
HIS
201
A
LEU
202
n
111
LEU
202
A
ILE
203
n
112
ILE
203
A
GLU
204
n
113
GLU
204
A
ALA
205
n
114
ALA
205
A
ASN
206
n
115
ASN
206
A
LEU
207
n
116
LEU
207
A
ARG
208
n
117
ARG
208
A
LEU
209
n
118
LEU
209
A
VAL
210
n
119
VAL
210
A
VAL
211
n
120
VAL
211
A
SER
212
n
121
SER
212
A
ILE
213
n
122
ILE
213
A
ALA
214
n
123
ALA
214
A
LYS
215
n
124
LYS
215
A
LYS
216
n
125
LYS
216
A
TYR
217
n
126
TYR
217
A
THR
218
n
127
THR
218
A
GLY
219
n
128
GLY
219
A
ARG
220
n
129
ARG
220
A
GLY
221
n
130
GLY
221
A
LEU
222
n
131
LEU
222
A
SER
223
n
132
SER
223
A
PHE
224
n
133
PHE
224
A
LEU
225
n
134
LEU
225
A
ASP
226
n
135
ASP
226
A
LEU
227
n
136
LEU
227
A
ILE
228
n
137
ILE
228
A
GLN
229
n
138
GLN
229
A
GLU
230
n
139
GLU
230
A
GLY
231
n
140
GLY
231
A
ASN
232
n
141
ASN
232
A
GLN
233
n
142
GLN
233
A
GLY
234
n
143
GLY
234
A
LEU
235
n
144
LEU
235
A
ILE
236
n
145
ILE
236
A
ARG
237
n
146
ARG
237
A
ALA
238
n
147
ALA
238
A
VAL
239
n
148
VAL
239
A
GLU
240
n
149
GLU
240
A
LYS
241
n
150
LYS
241
A
PHE
242
n
151
PHE
242
A
GLU
243
n
152
GLU
243
A
TYR
244
n
153
TYR
244
A
LYS
245
n
154
LYS
245
A
ARG
246
n
155
ARG
246
A
ARG
247
n
156
ARG
247
A
PHE
248
n
157
PHE
248
A
LYS
249
n
158
LYS
249
A
PHE
250
n
159
PHE
250
A
SER
251
n
160
SER
251
A
THR
252
n
161
THR
252
A
TYR
253
n
162
TYR
253
A
ALA
254
n
163
ALA
254
A
THR
255
n
164
THR
255
A
TRP
256
n
165
TRP
256
A
TRP
257
n
166
TRP
257
A
ILE
258
n
167
ILE
258
A
ARG
259
n
168
ARG
259
A
GLN
260
n
169
GLN
260
A
ALA
261
n
170
ALA
261
A
ILE
262
n
171
ILE
262
A
ASN
263
n
172
ASN
263
A
ARG
264
n
173
ARG
264
A
ALA
265
n
174
ALA
265
A
ILE
266
n
175
ILE
266
A
ALA
267
n
176
ALA
267
A
ASP
268
n
177
ASP
268
A
GLN
269
n
178
GLN
269
A
ALA
270
n
179
ALA
270
A
ARG
271
n
180
ARG
271
A
THR
272
n
181
THR
272
A
ILE
273
n
182
ILE
273
A
ARG
274
n
183
ARG
274
A
ILE
275
n
184
ILE
275
A
PRO
276
n
185
PRO
276
A
VAL
277
n
186
VAL
277
A
HIS
278
n
187
HIS
278
A
MET
279
n
188
MET
279
A
VAL
280
n
189
VAL
280
A
GLU
281
n
190
GLU
281
A
THR
282
n
191
THR
282
A
ILE
283
n
192
ILE
283
A
ASN
284
n
193
ASN
284
A
LYS
285
n
194
LYS
285
A
LEU
286
n
195
LEU
286
A
SER
287
n
196
SER
287
A
ARG
288
n
197
ARG
288
A
THR
289
n
198
THR
289
A
ALA
290
n
199
ALA
290
A
ARG
291
n
200
ARG
291
A
GLN
292
n
201
GLN
292
A
LEU
293
n
202
LEU
293
A
GLN
294
n
203
GLN
294
A
GLN
295
n
204
GLN
295
A
GLU
296
n
205
GLU
296
A
LEU
297
n
206
LEU
297
A
GLY
298
n
207
GLY
298
A
ARG
299
n
208
ARG
299
A
GLU
300
n
209
GLU
300
A
PRO
301
n
210
PRO
301
A
SER
302
n
211
SER
302
A
TYR
303
n
212
TYR
303
A
GLU
304
n
213
GLU
304
A
GLU
305
n
214
GLU
305
A
ILE
306
n
215
ILE
306
A
ALA
307
n
216
ALA
307
A
GLU
308
n
217
GLU
308
A
ALA
309
n
218
ALA
309
A
MET
310
n
219
MET
310
A
GLY
311
n
220
GLY
311
A
PRO
312
n
221
PRO
312
A
GLY
313
n
222
GLY
313
A
TRP
314
n
223
TRP
314
A
ASP
315
n
224
ASP
315
A
ALA
316
n
225
ALA
316
A
LYS
317
n
226
LYS
317
A
ARG
318
n
227
ARG
318
A
VAL
319
n
228
VAL
319
A
GLU
320
n
229
GLU
320
A
GLU
321
n
230
GLU
321
A
THR
322
n
231
THR
322
A
LEU
323
n
232
LEU
323
A
LYS
324
n
233
LYS
324
A
ILE
325
n
234
ILE
325
A
ALA
326
n
235
ALA
326
A
GLN
327
n
236
GLN
327
A
GLU
328
n
237
GLU
328
A
PRO
329
n
238
PRO
329
A
VAL
330
n
239
VAL
330
A
SER
331
n
240
SER
331
A
LEU
332
n
241
LEU
332
A
n
1
92
B
ALA
93
n
2
SER
93
B
ASP
94
n
3
ASP
94
B
PRO
95
n
4
PRO
95
B
VAL
96
n
5
VAL
96
B
ARG
97
n
6
ARG
97
B
GLN
98
n
7
GLN
98
B
TYR
99
n
8
TYR
99
B
LEU
100
n
9
LEU
100
B
HIS
101
n
10
HIS
101
B
GLU
102
n
11
GLU
102
B
ILE
103
n
12
ILE
103
B
GLY
104
n
13
GLY
104
B
GLN
105
n
14
GLN
105
B
VAL
106
n
15
VAL
106
B
PRO
107
n
16
PRO
107
B
LEU
108
n
17
LEU
108
B
LEU
109
n
18
LEU
109
B
THR
110
n
19
THR
110
B
LEU
111
n
20
LEU
111
B
GLU
112
n
21
GLU
112
B
GLU
113
n
22
GLU
113
B
GLU
114
n
23
GLU
114
B
ILE
115
n
24
ILE
115
B
ASP
116
n
25
ASP
116
B
LEU
117
n
26
LEU
117
B
ALA
118
n
27
ALA
118
B
ARG
119
n
28
ARG
119
B
LYS
120
n
29
LYS
120
B
VAL
121
n
30
VAL
121
B
GLU
122
n
31
GLU
122
B
GLU
123
n
32
GLU
123
B
GLY
124
n
33
GLY
124
B
MET
125
n
34
MET
125
B
GLU
126
n
35
GLU
126
B
ALA
127
n
36
ALA
127
B
ILE
128
n
37
ILE
128
B
LYS
129
n
38
LYS
129
B
LYS
130
n
39
LYS
130
B
LEU
131
n
40
LEU
131
B
SER
132
n
41
SER
132
B
GLU
133
n
42
GLU
133
B
ALA
134
n
43
ALA
134
B
THR
135
n
44
THR
135
B
GLY
136
n
45
GLY
136
B
LEU
137
n
46
LEU
137
B
ASP
138
n
47
ASP
138
B
GLN
139
n
48
GLN
139
B
GLU
140
n
49
GLU
140
B
LEU
141
n
50
LEU
141
B
ILE
142
n
51
ILE
142
B
ARG
143
n
52
ARG
143
B
GLU
144
n
53
GLU
144
B
VAL
145
n
54
VAL
145
B
VAL
146
n
55
VAL
146
B
ARG
147
n
56
ARG
147
B
ALA
148
n
57
ALA
148
B
LYS
149
n
58
LYS
149
B
ILE
150
n
59
ILE
150
B
LEU
151
n
60
LEU
151
B
GLY
152
n
61
GLY
152
B
THR
153
n
62
THR
153
B
ALA
154
n
63
ALA
154
B
ARG
155
n
64
ARG
155
B
ILE
156
n
65
ILE
156
B
GLN
157
n
66
GLN
157
B
LYS
158
n
67
LYS
158
B
ILE
159
n
68
ILE
159
B
PRO
160
n
69
PRO
160
B
GLY
161
n
70
GLY
161
B
LEU
162
n
71
LEU
162
B
LYS
163
n
72
LYS
163
B
GLU
164
n
73
GLU
164
B
LYS
165
n
74
LYS
165
B
PRO
166
n
75
PRO
166
B
ASP
167
n
76
ASP
167
B
PRO
168
n
77
PRO
168
B
LYS
169
n
78
LYS
169
B
THR
170
n
79
THR
170
B
VAL
171
n
80
VAL
171
B
GLU
172
n
81
GLU
172
B
GLU
173
n
82
GLU
173
B
VAL
174
n
83
VAL
174
B
ASP
175
n
84
ASP
175
B
GLY
176
n
85
GLY
176
B
LYS
177
n
86
LYS
177
B
LEU
178
n
87
LEU
178
B
LYS
179
n
88
LYS
179
B
SER
180
n
89
SER
180
B
LEU
181
n
90
LEU
181
B
PRO
182
n
91
PRO
182
B
LYS
183
n
92
LYS
183
B
GLU
184
n
93
GLU
184
B
LEU
185
n
94
LEU
185
B
LYS
186
n
95
LYS
186
B
ARG
187
n
96
ARG
187
B
TYR
188
n
97
TYR
188
B
LEU
189
n
98
LEU
189
B
HIS
190
n
99
HIS
190
B
ILE
191
n
100
ILE
191
B
ALA
192
n
101
ALA
192
B
ARG
193
n
102
ARG
193
B
GLU
194
n
103
GLU
194
B
GLY
195
n
104
GLY
195
B
GLU
196
n
105
GLU
196
B
ALA
197
n
106
ALA
197
B
ALA
198
n
107
ALA
198
B
ARG
199
n
108
ARG
199
B
GLN
200
n
109
GLN
200
B
HIS
201
n
110
HIS
201
B
LEU
202
n
111
LEU
202
B
ILE
203
n
112
ILE
203
B
GLU
204
n
113
GLU
204
B
ALA
205
n
114
ALA
205
B
ASN
206
n
115
ASN
206
B
LEU
207
n
116
LEU
207
B
ARG
208
n
117
ARG
208
B
LEU
209
n
118
LEU
209
B
VAL
210
n
119
VAL
210
B
VAL
211
n
120
VAL
211
B
SER
212
n
121
SER
212
B
ILE
213
n
122
ILE
213
B
ALA
214
n
123
ALA
214
B
LYS
215
n
124
LYS
215
B
LYS
216
n
125
LYS
216
B
TYR
217
n
126
TYR
217
B
THR
218
n
127
THR
218
B
GLY
219
n
128
GLY
219
B
ARG
220
n
129
ARG
220
B
GLY
221
n
130
GLY
221
B
LEU
222
n
131
LEU
222
B
SER
223
n
132
SER
223
B
PHE
224
n
133
PHE
224
B
LEU
225
n
134
LEU
225
B
ASP
226
n
135
ASP
226
B
LEU
227
n
136
LEU
227
B
ILE
228
n
137
ILE
228
B
GLN
229
n
138
GLN
229
B
GLU
230
n
139
GLU
230
B
GLY
231
n
140
GLY
231
B
ASN
232
n
141
ASN
232
B
GLN
233
n
142
GLN
233
B
GLY
234
n
143
GLY
234
B
LEU
235
n
144
LEU
235
B
ILE
236
n
145
ILE
236
B
ARG
237
n
146
ARG
237
B
ALA
238
n
147
ALA
238
B
VAL
239
n
148
VAL
239
B
GLU
240
n
149
GLU
240
B
LYS
241
n
150
LYS
241
B
PHE
242
n
151
PHE
242
B
GLU
243
n
152
GLU
243
B
TYR
244
n
153
TYR
244
B
LYS
245
n
154
LYS
245
B
ARG
246
n
155
ARG
246
B
ARG
247
n
156
ARG
247
B
PHE
248
n
157
PHE
248
B
LYS
249
n
158
LYS
249
B
PHE
250
n
159
PHE
250
B
SER
251
n
160
SER
251
B
THR
252
n
161
THR
252
B
TYR
253
n
162
TYR
253
B
ALA
254
n
163
ALA
254
B
THR
255
n
164
THR
255
B
TRP
256
n
165
TRP
256
B
TRP
257
n
166
TRP
257
B
ILE
258
n
167
ILE
258
B
ARG
259
n
168
ARG
259
B
GLN
260
n
169
GLN
260
B
ALA
261
n
170
ALA
261
B
ILE
262
n
171
ILE
262
B
ASN
263
n
172
ASN
263
B
ARG
264
n
173
ARG
264
B
ALA
265
n
174
ALA
265
B
ILE
266
n
175
ILE
266
B
ALA
267
n
176
ALA
267
B
ASP
268
n
177
ASP
268
B
GLN
269
n
178
GLN
269
B
ALA
270
n
179
ALA
270
B
ARG
271
n
180
ARG
271
B
THR
272
n
181
THR
272
B
ILE
273
n
182
ILE
273
B
ARG
274
n
183
ARG
274
B
ILE
275
n
184
ILE
275
B
PRO
276
n
185
PRO
276
B
VAL
277
n
186
VAL
277
B
HIS
278
n
187
HIS
278
B
MET
279
n
188
MET
279
B
VAL
280
n
189
VAL
280
B
GLU
281
n
190
GLU
281
B
THR
282
n
191
THR
282
B
ILE
283
n
192
ILE
283
B
ASN
284
n
193
ASN
284
B
LYS
285
n
194
LYS
285
B
LEU
286
n
195
LEU
286
B
SER
287
n
196
SER
287
B
ARG
288
n
197
ARG
288
B
THR
289
n
198
THR
289
B
ALA
290
n
199
ALA
290
B
ARG
291
n
200
ARG
291
B
GLN
292
n
201
GLN
292
B
LEU
293
n
202
LEU
293
B
GLN
294
n
203
GLN
294
B
GLN
295
n
204
GLN
295
B
GLU
296
n
205
GLU
296
B
LEU
297
n
206
LEU
297
B
GLY
298
n
207
GLY
298
B
ARG
299
n
208
ARG
299
B
GLU
300
n
209
GLU
300
B
PRO
301
n
210
PRO
301
B
SER
302
n
211
SER
302
B
TYR
303
n
212
TYR
303
B
GLU
304
n
213
GLU
304
B
GLU
305
n
214
GLU
305
B
ILE
306
n
215
ILE
306
B
ALA
307
n
216
ALA
307
B
GLU
308
n
217
GLU
308
B
ALA
309
n
218
ALA
309
B
MET
310
n
219
MET
310
B
GLY
311
n
220
GLY
311
B
PRO
312
n
221
PRO
312
B
GLY
313
n
222
GLY
313
B
TRP
314
n
223
TRP
314
B
ASP
315
n
224
ASP
315
B
ALA
316
n
225
ALA
316
B
LYS
317
n
226
LYS
317
B
ARG
318
n
227
ARG
318
B
VAL
319
n
228
VAL
319
B
GLU
320
n
229
GLU
320
B
GLU
321
n
230
GLU
321
B
THR
322
n
231
THR
322
B
LEU
323
n
232
LEU
323
B
LYS
324
n
233
LYS
324
B
ILE
325
n
234
ILE
325
B
ALA
326
n
235
ALA
326
B
GLN
327
n
236
GLN
327
B
GLU
328
n
237
GLU
328
B
PRO
329
n
238
PRO
329
B
VAL
330
n
239
VAL
330
B
SER
331
n
240
SER
331
B
LEU
332
n
241
LEU
332
B
author_and_software_defined_assembly
PISA
2
dimeric
4660
-18
24660
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
OG
SER
93
A
OG
SER
2
1
Y
1
B
OG
SER
93
B
OG
SER
2
1
Y
1
A
THR
92
A
THR
1
1
Y
1
B
THR
92
B
THR
1
1
Y
1
10.66
1.50
119.30
129.96
A
A
A
C
N
CA
GLU
PRO
PRO
328
329
329
Y
1
11.83
1.50
119.30
131.13
B
B
B
C
N
CA
GLU
PRO
PRO
328
329
329
Y
1
A
ASP
94
43.85
-152.75
1
A
GLU
133
-76.36
41.91
1
A
ALA
134
-173.59
-3.03
1
A
ASP
138
64.43
119.39
1
A
LYS
158
-109.30
77.45
1
A
GLU
164
-93.90
-127.82
1
A
LYS
165
-39.34
125.48
1
A
PRO
166
-66.47
23.71
1
A
ASP
167
83.79
107.66
1
A
PRO
168
-47.99
-5.53
1
A
GLU
173
-179.75
-52.49
1
A
PRO
182
-47.47
157.32
1
A
ARG
220
-141.46
26.57
1
A
LYS
249
-39.85
137.53
1
B
ASP
94
50.24
-150.57
1
B
ALA
134
-73.21
-78.53
1
B
ASP
167
108.05
133.15
1
B
LYS
169
-64.59
-74.28
1
B
THR
170
-54.24
-7.14
1
B
VAL
171
-90.12
-66.57
1
B
GLU
172
-68.90
15.50
1
B
LEU
178
-68.24
-72.15
1
B
PRO
182
-46.37
174.28
1
B
ALA
205
-65.27
2.97
1
B
LYS
249
-37.71
121.54
1
B
MET
310
-81.14
-126.36
0.2710000
0.2300000
0.2300000
0.2300000
2.9
30
2206
22659
22207
98
random
1
isotropic
THROUGHOUT
0
MAD
Engh & Huber
2.9
30
0
3880
10
0
3870
.00787
1.286
2.9
30
1KU2
24238
23536
0
0
0.0370000
1
24.9
4.2
97.1
0.1470000
2.9
2.95
6.2
96.5
phasing
MLPHARE
refinement
CNS
1.0
data reduction
DENZO
data scaling
SCALEPACK
Crystal Structure of Thermus aquaticus RNA Polymerase Sigma Subunit Fragment Containing Regions 1.2 to 3.1
1
N
N
1
N
N
2
N
N
2
N
N
A
SER
93
A
SER
2
HELX_P
A
GLY
104
A
GLY
13
1
1
12
A
THR
110
A
THR
19
HELX_P
A
GLY
136
A
GLY
45
1
2
27
A
ASP
138
A
ASP
47
HELX_P
A
GLY
152
A
GLY
61
1
3
15
A
THR
170
A
THR
79
HELX_P
A
SER
180
A
SER
89
1
4
11
A
PRO
182
A
PRO
91
HELX_P
A
ALA
205
A
ALA
114
1
5
24
A
ASN
206
A
ASN
115
HELX_P
A
LYS
216
A
LYS
125
1
6
11
A
SER
223
A
SER
132
HELX_P
A
PHE
242
A
PHE
151
1
7
20
A
GLU
243
A
GLU
152
HELX_P
A
ARG
247
A
ARG
156
5
8
5
A
LYS
249
A
LYS
158
HELX_P
A
ALA
267
A
ALA
176
1
9
19
A
PRO
276
A
PRO
185
HELX_P
A
GLY
298
A
GLY
207
1
10
23
A
SER
302
A
SER
211
HELX_P
A
GLY
311
A
GLY
220
1
11
10
A
ASP
315
A
ASP
224
HELX_P
A
LEU
323
A
LEU
232
1
12
9
A
LYS
324
A
LYS
233
HELX_P
A
ALA
326
A
ALA
235
5
13
3
B
SER
93
B
SER
2
HELX_P
B
GLY
104
B
GLY
13
1
14
12
B
THR
110
B
THR
19
HELX_P
B
GLY
136
B
GLY
45
1
15
27
B
ASP
138
B
ASP
47
HELX_P
B
GLY
152
B
GLY
61
1
16
15
B
ASP
167
B
ASP
76
HELX_P
B
GLU
172
B
GLU
81
1
17
6
B
GLU
173
B
GLU
82
HELX_P
B
SER
180
B
SER
89
1
18
8
B
PRO
182
B
PRO
91
HELX_P
B
ALA
205
B
ALA
114
1
19
24
B
ASN
206
B
ASN
115
HELX_P
B
LYS
216
B
LYS
125
1
20
11
B
SER
223
B
SER
132
HELX_P
B
PHE
242
B
PHE
151
1
21
20
B
GLU
243
B
GLU
152
HELX_P
B
ARG
247
B
ARG
156
5
22
5
B
LYS
249
B
LYS
158
HELX_P
B
ALA
267
B
ALA
176
1
23
19
B
PRO
276
B
PRO
185
HELX_P
B
GLY
298
B
GLY
207
1
24
23
B
SER
302
B
SER
211
HELX_P
B
MET
310
B
MET
219
1
25
9
B
ASP
315
B
ASP
224
HELX_P
B
LYS
324
B
LYS
233
1
26
10
TRANSCRIPTION
helices, TRANSCRIPTION
A
GLY
311
A
GLY
220
1
A
PRO
312
A
PRO
221
0.16
B
GLY
311
B
GLY
220
1
B
PRO
312
B
PRO
221
0.03
Q9EZJ8_THEAQ
UNP
1
92
Q9EZJ8
TSDPVRQYLHEIGQVPLLTLEEEIDLARKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTARIQKIPGLKEKPDPKTV
EEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRRFKFS
TYATWWIRQAINRAIADQARTIRIPVHMVETINKLSRTARQLQQELGREPSYEEIAEAMGPGWDAKRVEETLKIAQEPVS
L
92
332
1KU2
92
332
Q9EZJ8
A
1
1
241
92
332
1KU2
92
332
Q9EZJ8
B
1
1
241
BINDING SITE FOR RESIDUE SO4 A 1
A
SO4
1
Software
2
BINDING SITE FOR RESIDUE SO4 A 2
A
SO4
2
Software
2
A
ARG
237
A
ARG
146
2
1_555
B
ARG
246
B
ARG
155
2
1_555
A
ARG
246
A
ARG
155
2
1_555
B
ARG
237
B
ARG
146
2
1_555
170
P 65