0.024480
0.000000
0.002236
0.000000
0.020559
0.000000
0.000000
0.000000
0.011705
0.00000
0.00000
0.00000
Bilwes, A.M.
Quezada, C.M.
Croal, L.R.
Crane, B.R.
Simon, M.I.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
95.22
90.00
40.850
48.640
85.790
C2 H3 O2 -1
59.044
ACETATE ION
non-polymer
C10 H15 N5 O10 P2
427.201
n
ADENOSINE-5'-DIPHOSPHATE
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C10 H17 N6 O12 P3
506.196
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
non-polymer
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
Mg 2
24.305
MAGNESIUM ION
non-polymer
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
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
C
N
2
N
O
N
3
N
O
N
4
N
C
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
P
N
9
N
O
N
10
N
O
N
11
N
O
N
12
S
P
N
13
N
O
N
14
N
O
N
15
N
O
N
16
N
O
N
17
N
C
N
18
R
C
N
19
N
O
N
20
S
C
N
21
N
O
N
22
R
C
N
23
N
O
N
24
R
C
Y
25
N
N
Y
26
N
C
Y
27
N
N
Y
28
N
C
Y
29
N
C
N
30
N
N
Y
31
N
N
Y
32
N
C
Y
33
N
N
Y
34
N
C
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
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
N
N
51
S
C
N
52
N
C
N
53
N
O
N
54
N
C
N
55
N
O
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
P
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
P
N
68
N
O
N
69
N
O
N
70
N
N
N
71
N
P
N
72
N
O
N
73
N
O
N
74
N
O
N
75
N
O
N
76
N
C
N
77
R
C
N
78
N
O
N
79
S
C
N
80
N
O
N
81
R
C
N
82
N
O
N
83
R
C
Y
84
N
N
Y
85
N
C
Y
86
N
N
Y
87
N
C
Y
88
N
C
N
89
N
N
Y
90
N
N
Y
91
N
C
Y
92
N
N
Y
93
N
C
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
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
N
N
112
S
C
N
113
N
C
N
114
N
O
N
115
N
C
N
116
N
C
N
117
N
C
N
118
N
N
N
119
N
C
N
120
N
N
N
121
N
N
N
122
N
O
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
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
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
N
143
N
C
N
144
N
O
N
145
N
N
N
146
N
O
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
N
N
156
S
C
N
157
N
C
N
158
N
O
N
159
N
C
N
160
N
C
N
161
N
O
N
162
N
O
N
163
N
O
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
N
N
172
S
C
N
173
N
C
N
174
N
O
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
O
N
179
N
N
N
180
N
O
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
O
N
199
N
O
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
N
N
211
N
C
N
212
N
C
N
213
N
O
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
N
N
221
S
C
N
222
N
C
N
223
N
O
N
224
N
C
Y
225
N
C
Y
226
N
N
Y
227
N
C
Y
228
N
C
Y
229
N
N
N
230
N
O
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
O
N
242
N
H
N
243
N
H
N
244
N
N
N
245
S
C
N
246
N
C
N
247
N
O
N
248
S
C
N
249
N
C
N
250
N
C
N
251
N
C
N
252
N
O
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
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
N
N
267
S
C
N
268
N
C
N
269
N
O
N
270
N
C
N
271
N
C
N
272
N
C
N
273
N
C
N
274
N
O
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
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
H
N
288
N
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
N
293
N
C
N
294
N
C
N
295
N
C
N
296
N
N
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
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
N
N
314
S
C
N
315
N
C
N
316
N
O
N
317
N
C
N
318
N
C
N
319
N
S
N
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
MG
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
H
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
N
N
358
S
C
N
359
N
C
N
360
N
O
N
361
N
C
N
362
N
C
N
363
N
C
N
364
N
O
N
365
N
H
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
N
N
375
S
C
N
376
N
C
N
377
N
O
N
378
N
C
N
379
N
O
N
380
N
O
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
N
N
389
S
C
N
390
N
C
N
391
N
O
N
392
R
C
N
393
N
O
N
394
N
C
N
395
N
O
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
N
N
406
S
C
N
407
N
C
N
408
N
O
N
409
N
C
N
410
N
C
N
411
N
C
N
412
N
O
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
1
N
doub
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
doub
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
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
sing
N
34
N
sing
N
35
N
sing
Y
36
N
sing
Y
37
N
sing
Y
38
N
doub
N
39
N
sing
Y
40
N
sing
Y
41
N
sing
Y
42
N
doub
N
43
N
sing
Y
44
N
doub
N
45
N
sing
N
46
N
sing
Y
47
N
sing
Y
48
N
doub
N
49
N
sing
Y
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
doub
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
sing
N
62
N
sing
N
63
N
doub
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
sing
N
69
N
doub
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
Y
98
N
sing
Y
99
N
sing
Y
100
N
doub
N
101
N
sing
Y
102
N
sing
Y
103
N
sing
Y
104
N
doub
N
105
N
sing
Y
106
N
doub
N
107
N
sing
N
108
N
sing
Y
109
N
sing
Y
110
N
doub
N
111
N
sing
Y
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
doub
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
doub
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
doub
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
doub
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
doub
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
doub
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
sing
N
195
N
doub
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
doub
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
doub
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
doub
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
Y
227
N
sing
Y
228
N
doub
Y
229
N
doub
N
230
N
sing
Y
231
N
sing
N
232
N
sing
Y
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
doub
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
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
doub
N
267
N
sing
N
268
N
sing
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
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
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
doub
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
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
doub
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
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
sing
N
328
N
sing
N
329
N
sing
N
330
N
doub
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
Y
335
N
doub
Y
336
N
sing
Y
337
N
sing
N
338
N
sing
Y
339
N
doub
N
340
N
sing
Y
341
N
doub
N
342
N
sing
Y
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
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
doub
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
doub
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
doub
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
US
Nat.Struct.Biol.
NSBIEW
2024
1072-8368
8
353
360
10.1038/86243
11276258
Nucleotide binding by the histidine kinase CheA.
2001
10.2210/pdb1i59/pdb
pdb_00001i59
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
IMAGE PLATE
2000-03-10
RIGAKU RAXIS IV
Osmic mirrors
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
21079.270
CHEMOTAXIS PROTEIN CHEA
2.7.3.-
DOMAIN P4
R354H, I353S, K352G
2
man
polymer
59.044
ACETATE ION
1
syn
non-polymer
24.305
MAGNESIUM ION
1
syn
non-polymer
506.196
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
1
syn
non-polymer
427.201
ADENOSINE-5'-DIPHOSPHATE
1
syn
non-polymer
18.015
water
244
nat
water
CHEMOTAXIS SENSOR HISTIDINE KINASE CHEA, CHEA
E.C.2.7.3.-
no
no
GSHMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGEPLLHLLRNAIDHGIEPKEERIAKGKPPIGT
LILSARHEGNNVVIEVEDDGRGIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSTKEKVSEVSGRGVGMDVVK
NVVESLNGSISIESEKDKGTKVTIRLPLT
GSHMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGEPLLHLLRNAIDHGIEPKEERIAKGKPPIGT
LILSARHEGNNVVIEVEDDGRGIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSTKEKVSEVSGRGVGMDVVK
NVVESLNGSISIESEKDKGTKVTIRLPLT
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
Thermotoga
Escherichia
Escherichia coli
sample
2336
Thermotoga maritima
469008
Escherichia coli BL21(DE3)
BL21(DE3)
PET28A
1
2.01
38.88
VAPOR DIFFUSION, HANGING DROP
5
PEG 8000 33-36% Ammonium acetate 0.8 M sodium acetate 0.085 M pH 4.5. VAPOR DIFFUSION, HANGING DROP at 293 K
293
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Data collection
Refinement description
1
0
2001-08-26
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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.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.value
_struct_conn.pdbx_dist_value
_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_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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Histidine kinase CheA domains P3-P4-P5
RCSB
Y
RCSB
2001-02-26
REL
REL
ACT
ACETATE ION
MG
MAGNESIUM ION
ANP
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
ADP
ADENOSINE-5'-DIPHOSPHATE
HOH
water
1B3Q
PDB
experimental model
ACT
995
2
ACT
ACT
995
A
MG
996
3
MG
MG
996
A
ANP
998
4
ANP
ANP
998
A
ADP
999
5
ADP
ADP
999
B
HOH
1
6
HOH
HOH
1
A
HOH
2
6
HOH
HOH
2
A
HOH
3
6
HOH
HOH
3
A
HOH
5
6
HOH
HOH
5
A
HOH
6
6
HOH
HOH
6
A
HOH
7
6
HOH
HOH
7
A
HOH
8
6
HOH
HOH
8
A
HOH
10
6
HOH
HOH
10
A
HOH
82
6
HOH
HOH
82
A
HOH
85
6
HOH
HOH
85
A
HOH
97
6
HOH
HOH
97
A
HOH
98
6
HOH
HOH
98
A
HOH
99
6
HOH
HOH
99
A
HOH
106
6
HOH
HOH
106
A
HOH
107
6
HOH
HOH
107
A
HOH
108
6
HOH
HOH
108
A
HOH
109
6
HOH
HOH
109
A
HOH
110
6
HOH
HOH
110
A
HOH
111
6
HOH
HOH
111
A
HOH
112
6
HOH
HOH
112
A
HOH
113
6
HOH
HOH
113
A
HOH
114
6
HOH
HOH
114
A
HOH
115
6
HOH
HOH
115
A
HOH
117
6
HOH
HOH
117
A
HOH
118
6
HOH
HOH
118
A
HOH
119
6
HOH
HOH
119
A
HOH
120
6
HOH
HOH
120
A
HOH
121
6
HOH
HOH
121
A
HOH
122
6
HOH
HOH
122
A
HOH
125
6
HOH
HOH
125
A
HOH
126
6
HOH
HOH
126
A
HOH
128
6
HOH
HOH
128
A
HOH
129
6
HOH
HOH
129
A
HOH
130
6
HOH
HOH
130
A
HOH
131
6
HOH
HOH
131
A
HOH
132
6
HOH
HOH
132
A
HOH
133
6
HOH
HOH
133
A
HOH
134
6
HOH
HOH
134
A
HOH
135
6
HOH
HOH
135
A
HOH
136
6
HOH
HOH
136
A
HOH
137
6
HOH
HOH
137
A
HOH
138
6
HOH
HOH
138
A
HOH
139
6
HOH
HOH
139
A
HOH
140
6
HOH
HOH
140
A
HOH
141
6
HOH
HOH
141
A
HOH
142
6
HOH
HOH
142
A
HOH
143
6
HOH
HOH
143
A
HOH
144
6
HOH
HOH
144
A
HOH
145
6
HOH
HOH
145
A
HOH
147
6
HOH
HOH
147
A
HOH
148
6
HOH
HOH
148
A
HOH
149
6
HOH
HOH
149
A
HOH
150
6
HOH
HOH
150
A
HOH
151
6
HOH
HOH
151
A
HOH
152
6
HOH
HOH
152
A
HOH
153
6
HOH
HOH
153
A
HOH
154
6
HOH
HOH
154
A
HOH
155
6
HOH
HOH
155
A
HOH
156
6
HOH
HOH
156
A
HOH
157
6
HOH
HOH
157
A
HOH
158
6
HOH
HOH
158
A
HOH
159
6
HOH
HOH
159
A
HOH
160
6
HOH
HOH
160
A
HOH
161
6
HOH
HOH
161
A
HOH
165
6
HOH
HOH
165
A
HOH
166
6
HOH
HOH
166
A
HOH
168
6
HOH
HOH
168
A
HOH
169
6
HOH
HOH
169
A
HOH
173
6
HOH
HOH
173
A
HOH
180
6
HOH
HOH
180
A
HOH
181
6
HOH
HOH
181
A
HOH
182
6
HOH
HOH
182
A
HOH
183
6
HOH
HOH
183
A
HOH
185
6
HOH
HOH
185
A
HOH
186
6
HOH
HOH
186
A
HOH
187
6
HOH
HOH
187
A
HOH
188
6
HOH
HOH
188
A
HOH
189
6
HOH
HOH
189
A
HOH
190
6
HOH
HOH
190
A
HOH
191
6
HOH
HOH
191
A
HOH
192
6
HOH
HOH
192
A
HOH
193
6
HOH
HOH
193
A
HOH
194
6
HOH
HOH
194
A
HOH
195
6
HOH
HOH
195
A
HOH
197
6
HOH
HOH
197
A
HOH
198
6
HOH
HOH
198
A
HOH
199
6
HOH
HOH
199
A
HOH
200
6
HOH
HOH
200
A
HOH
201
6
HOH
HOH
201
A
HOH
211
6
HOH
HOH
211
A
HOH
212
6
HOH
HOH
212
A
HOH
213
6
HOH
HOH
213
A
HOH
214
6
HOH
HOH
214
A
HOH
215
6
HOH
HOH
215
A
HOH
216
6
HOH
HOH
216
A
HOH
217
6
HOH
HOH
217
A
HOH
218
6
HOH
HOH
218
A
HOH
219
6
HOH
HOH
219
A
HOH
220
6
HOH
HOH
220
A
HOH
223
6
HOH
HOH
223
A
HOH
224
6
HOH
HOH
224
A
HOH
225
6
HOH
HOH
225
A
HOH
226
6
HOH
HOH
226
A
HOH
227
6
HOH
HOH
227
A
HOH
228
6
HOH
HOH
228
A
HOH
229
6
HOH
HOH
229
A
HOH
230
6
HOH
HOH
230
A
HOH
231
6
HOH
HOH
231
A
HOH
232
6
HOH
HOH
232
A
HOH
233
6
HOH
HOH
233
A
HOH
234
6
HOH
HOH
234
A
HOH
235
6
HOH
HOH
235
A
HOH
250
6
HOH
HOH
250
A
HOH
251
6
HOH
HOH
251
A
HOH
252
6
HOH
HOH
252
A
HOH
256
6
HOH
HOH
256
A
HOH
257
6
HOH
HOH
257
A
HOH
11
6
HOH
HOH
11
B
HOH
12
6
HOH
HOH
12
B
HOH
13
6
HOH
HOH
13
B
HOH
14
6
HOH
HOH
14
B
HOH
15
6
HOH
HOH
15
B
HOH
18
6
HOH
HOH
18
B
HOH
20
6
HOH
HOH
20
B
HOH
22
6
HOH
HOH
22
B
HOH
23
6
HOH
HOH
23
B
HOH
24
6
HOH
HOH
24
B
HOH
25
6
HOH
HOH
25
B
HOH
26
6
HOH
HOH
26
B
HOH
27
6
HOH
HOH
27
B
HOH
28
6
HOH
HOH
28
B
HOH
29
6
HOH
HOH
29
B
HOH
30
6
HOH
HOH
30
B
HOH
31
6
HOH
HOH
31
B
HOH
32
6
HOH
HOH
32
B
HOH
33
6
HOH
HOH
33
B
HOH
34
6
HOH
HOH
34
B
HOH
35
6
HOH
HOH
35
B
HOH
36
6
HOH
HOH
36
B
HOH
37
6
HOH
HOH
37
B
HOH
39
6
HOH
HOH
39
B
HOH
40
6
HOH
HOH
40
B
HOH
41
6
HOH
HOH
41
B
HOH
42
6
HOH
HOH
42
B
HOH
43
6
HOH
HOH
43
B
HOH
44
6
HOH
HOH
44
B
HOH
45
6
HOH
HOH
45
B
HOH
46
6
HOH
HOH
46
B
HOH
47
6
HOH
HOH
47
B
HOH
48
6
HOH
HOH
48
B
HOH
49
6
HOH
HOH
49
B
HOH
50
6
HOH
HOH
50
B
HOH
51
6
HOH
HOH
51
B
HOH
52
6
HOH
HOH
52
B
HOH
54
6
HOH
HOH
54
B
HOH
55
6
HOH
HOH
55
B
HOH
56
6
HOH
HOH
56
B
HOH
57
6
HOH
HOH
57
B
HOH
58
6
HOH
HOH
58
B
HOH
59
6
HOH
HOH
59
B
HOH
60
6
HOH
HOH
60
B
HOH
61
6
HOH
HOH
61
B
HOH
62
6
HOH
HOH
62
B
HOH
63
6
HOH
HOH
63
B
HOH
64
6
HOH
HOH
64
B
HOH
65
6
HOH
HOH
65
B
HOH
66
6
HOH
HOH
66
B
HOH
67
6
HOH
HOH
67
B
HOH
68
6
HOH
HOH
68
B
HOH
69
6
HOH
HOH
69
B
HOH
70
6
HOH
HOH
70
B
HOH
71
6
HOH
HOH
71
B
HOH
73
6
HOH
HOH
73
B
HOH
74
6
HOH
HOH
74
B
HOH
75
6
HOH
HOH
75
B
HOH
76
6
HOH
HOH
76
B
HOH
77
6
HOH
HOH
77
B
HOH
78
6
HOH
HOH
78
B
HOH
79
6
HOH
HOH
79
B
HOH
80
6
HOH
HOH
80
B
HOH
81
6
HOH
HOH
81
B
HOH
83
6
HOH
HOH
83
B
HOH
84
6
HOH
HOH
84
B
HOH
87
6
HOH
HOH
87
B
HOH
88
6
HOH
HOH
88
B
HOH
90
6
HOH
HOH
90
B
HOH
91
6
HOH
HOH
91
B
HOH
92
6
HOH
HOH
92
B
HOH
94
6
HOH
HOH
94
B
HOH
95
6
HOH
HOH
95
B
HOH
96
6
HOH
HOH
96
B
HOH
100
6
HOH
HOH
100
B
HOH
116
6
HOH
HOH
116
B
HOH
124
6
HOH
HOH
124
B
HOH
127
6
HOH
HOH
127
B
HOH
164
6
HOH
HOH
164
B
HOH
170
6
HOH
HOH
170
B
HOH
171
6
HOH
HOH
171
B
HOH
174
6
HOH
HOH
174
B
HOH
175
6
HOH
HOH
175
B
HOH
176
6
HOH
HOH
176
B
HOH
177
6
HOH
HOH
177
B
HOH
178
6
HOH
HOH
178
B
HOH
179
6
HOH
HOH
179
B
HOH
196
6
HOH
HOH
196
B
HOH
202
6
HOH
HOH
202
B
HOH
203
6
HOH
HOH
203
B
HOH
204
6
HOH
HOH
204
B
HOH
205
6
HOH
HOH
205
B
HOH
206
6
HOH
HOH
206
B
HOH
207
6
HOH
HOH
207
B
HOH
208
6
HOH
HOH
208
B
HOH
209
6
HOH
HOH
209
B
HOH
210
6
HOH
HOH
210
B
HOH
221
6
HOH
HOH
221
B
HOH
222
6
HOH
HOH
222
B
HOH
236
6
HOH
HOH
236
B
HOH
237
6
HOH
HOH
237
B
HOH
238
6
HOH
HOH
238
B
HOH
239
6
HOH
HOH
239
B
HOH
240
6
HOH
HOH
240
B
HOH
241
6
HOH
HOH
241
B
HOH
242
6
HOH
HOH
242
B
HOH
243
6
HOH
HOH
243
B
HOH
244
6
HOH
HOH
244
B
HOH
245
6
HOH
HOH
245
B
HOH
246
6
HOH
HOH
246
B
HOH
247
6
HOH
HOH
247
B
HOH
248
6
HOH
HOH
248
B
HOH
249
6
HOH
HOH
249
B
HOH
253
6
HOH
HOH
253
B
HOH
254
6
HOH
HOH
254
B
HOH
255
6
HOH
HOH
255
B
HOH
258
6
HOH
HOH
258
B
HOH
259
6
HOH
HOH
259
B
HOH
260
6
HOH
HOH
260
B
HOH
261
6
HOH
HOH
261
B
HOH
262
6
HOH
HOH
262
B
HOH
263
6
HOH
HOH
263
B
HOH
264
6
HOH
HOH
264
B
HOH
265
6
HOH
HOH
265
B
HOH
266
6
HOH
HOH
266
B
HOH
267
6
HOH
HOH
267
B
HOH
268
6
HOH
HOH
268
B
n
1
352
A
SER
353
n
2
SER
353
A
HIS
354
n
3
HIS
354
A
MET
355
n
4
MET
355
A
VAL
356
n
5
VAL
356
A
PRO
357
n
6
PRO
357
A
ILE
358
n
7
ILE
358
A
SER
359
n
8
SER
359
A
PHE
360
n
9
PHE
360
A
VAL
361
n
10
VAL
361
A
PHE
362
n
11
PHE
362
A
ASN
363
n
12
ASN
363
A
ARG
364
n
13
ARG
364
A
PHE
365
n
14
PHE
365
A
PRO
366
n
15
PRO
366
A
ARG
367
n
16
ARG
367
A
MET
368
n
17
MET
368
A
VAL
369
n
18
VAL
369
A
ARG
370
n
19
ARG
370
A
ASP
371
n
20
ASP
371
A
LEU
372
n
21
LEU
372
A
ALA
373
n
22
ALA
373
A
LYS
374
n
23
LYS
374
A
LYS
375
n
24
LYS
375
A
MET
376
n
25
MET
376
A
ASN
377
n
26
ASN
377
A
LYS
378
n
27
LYS
378
A
GLU
379
n
28
GLU
379
A
VAL
380
n
29
VAL
380
A
ASN
381
n
30
ASN
381
A
PHE
382
n
31
PHE
382
A
ILE
383
n
32
ILE
383
A
MET
384
n
33
MET
384
A
ARG
385
n
34
ARG
385
A
GLY
386
n
35
GLY
386
A
GLU
387
n
36
GLU
387
A
ASP
388
n
37
ASP
388
A
THR
389
n
38
THR
389
A
GLU
390
n
39
GLU
390
A
LEU
391
n
40
LEU
391
A
ASP
392
n
41
ASP
392
A
ARG
393
n
42
ARG
393
A
THR
394
n
43
THR
394
A
PHE
395
n
44
PHE
395
A
VAL
396
n
45
VAL
396
A
GLU
397
n
46
GLU
397
A
GLU
398
n
47
GLU
398
A
ILE
399
n
48
ILE
399
A
GLY
400
n
49
GLY
400
A
GLU
401
n
50
GLU
401
A
PRO
402
n
51
PRO
402
A
LEU
403
n
52
LEU
403
A
LEU
404
n
53
LEU
404
A
HIS
405
n
54
HIS
405
A
LEU
406
n
55
LEU
406
A
LEU
407
n
56
LEU
407
A
ARG
408
n
57
ARG
408
A
ASN
409
n
58
ASN
409
A
ALA
410
n
59
ALA
410
A
ILE
411
n
60
ILE
411
A
ASP
412
n
61
ASP
412
A
HIS
413
n
62
HIS
413
A
GLY
414
n
63
GLY
414
A
ILE
415
n
64
ILE
415
A
GLU
416
n
65
GLU
416
A
PRO
417
n
66
PRO
417
A
LYS
418
n
67
LYS
418
A
GLU
419
n
68
GLU
419
A
GLU
420
n
69
GLU
420
A
ARG
421
n
70
ARG
421
A
ILE
422
n
71
ILE
422
A
ALA
423
n
72
ALA
423
A
LYS
424
n
73
LYS
424
A
GLY
425
n
74
GLY
425
A
LYS
426
n
75
LYS
426
A
PRO
427
n
76
PRO
427
A
PRO
428
n
77
PRO
428
A
ILE
429
n
78
ILE
429
A
GLY
430
n
79
GLY
430
A
THR
431
n
80
THR
431
A
LEU
432
n
81
LEU
432
A
ILE
433
n
82
ILE
433
A
LEU
434
n
83
LEU
434
A
SER
435
n
84
SER
435
A
ALA
436
n
85
ALA
436
A
ARG
437
n
86
ARG
437
A
HIS
438
n
87
HIS
438
A
GLU
439
n
88
GLU
439
A
GLY
440
n
89
GLY
440
A
ASN
441
n
90
ASN
441
A
ASN
442
n
91
ASN
442
A
VAL
443
n
92
VAL
443
A
VAL
444
n
93
VAL
444
A
ILE
445
n
94
ILE
445
A
GLU
446
n
95
GLU
446
A
VAL
447
n
96
VAL
447
A
GLU
448
n
97
GLU
448
A
ASP
449
n
98
ASP
449
A
ASP
450
n
99
ASP
450
A
GLY
451
n
100
GLY
451
A
ARG
452
n
101
ARG
452
A
GLY
453
n
102
GLY
453
A
ILE
454
n
103
ILE
454
A
ASP
455
n
104
ASP
455
A
LYS
456
n
105
LYS
456
A
GLU
457
n
106
GLU
457
A
LYS
458
n
107
LYS
458
A
ILE
459
n
108
ILE
459
A
ILE
460
n
109
ILE
460
A
ARG
461
n
110
ARG
461
A
LYS
462
n
111
LYS
462
A
ALA
463
n
112
ALA
463
A
ILE
464
n
113
ILE
464
A
GLU
465
n
114
GLU
465
A
LYS
466
n
115
LYS
466
A
GLY
467
n
116
GLY
467
A
LEU
468
n
117
LEU
468
A
ILE
469
n
118
ILE
469
A
ASP
470
n
119
ASP
470
A
GLU
471
n
120
GLU
471
A
SER
472
n
121
SER
472
A
LYS
473
n
122
LYS
473
A
ALA
474
n
123
ALA
474
A
ALA
475
n
124
ALA
475
A
THR
476
n
125
THR
476
A
LEU
477
n
126
LEU
477
A
SER
478
n
127
SER
478
A
ASP
479
n
128
ASP
479
A
GLN
480
n
129
GLN
480
A
GLU
481
n
130
GLU
481
A
ILE
482
n
131
ILE
482
A
LEU
483
n
132
LEU
483
A
ASN
484
n
133
ASN
484
A
PHE
485
n
134
PHE
485
A
LEU
486
n
135
LEU
486
A
PHE
487
n
136
PHE
487
A
VAL
488
n
137
VAL
488
A
PRO
489
n
138
PRO
489
A
GLY
490
n
139
GLY
490
A
PHE
491
n
140
PHE
491
A
SER
492
n
141
SER
492
A
THR
493
n
142
THR
493
A
LYS
494
n
143
LYS
494
A
n
144
495
A
n
145
496
A
n
146
497
A
n
147
498
A
n
148
499
A
n
149
500
A
n
150
501
A
n
151
502
A
ARG
503
n
152
ARG
503
A
GLY
504
n
153
GLY
504
A
VAL
505
n
154
VAL
505
A
GLY
506
n
155
GLY
506
A
MET
507
n
156
MET
507
A
ASP
508
n
157
ASP
508
A
VAL
509
n
158
VAL
509
A
VAL
510
n
159
VAL
510
A
LYS
511
n
160
LYS
511
A
ASN
512
n
161
ASN
512
A
VAL
513
n
162
VAL
513
A
VAL
514
n
163
VAL
514
A
GLU
515
n
164
GLU
515
A
SER
516
n
165
SER
516
A
LEU
517
n
166
LEU
517
A
ASN
518
n
167
ASN
518
A
GLY
519
n
168
GLY
519
A
SER
520
n
169
SER
520
A
ILE
521
n
170
ILE
521
A
SER
522
n
171
SER
522
A
ILE
523
n
172
ILE
523
A
GLU
524
n
173
GLU
524
A
SER
525
n
174
SER
525
A
GLU
526
n
175
GLU
526
A
LYS
527
n
176
LYS
527
A
ASP
528
n
177
ASP
528
A
LYS
529
n
178
LYS
529
A
GLY
530
n
179
GLY
530
A
THR
531
n
180
THR
531
A
LYS
532
n
181
LYS
532
A
VAL
533
n
182
VAL
533
A
THR
534
n
183
THR
534
A
ILE
535
n
184
ILE
535
A
ARG
536
n
185
ARG
536
A
LEU
537
n
186
LEU
537
A
PRO
538
n
187
PRO
538
A
LEU
539
n
188
LEU
539
A
THR
540
n
189
THR
540
A
n
1
352
B
SER
353
n
2
SER
353
B
HIS
354
n
3
HIS
354
B
MET
355
n
4
MET
355
B
VAL
356
n
5
VAL
356
B
PRO
357
n
6
PRO
357
B
ILE
358
n
7
ILE
358
B
SER
359
n
8
SER
359
B
PHE
360
n
9
PHE
360
B
VAL
361
n
10
VAL
361
B
PHE
362
n
11
PHE
362
B
ASN
363
n
12
ASN
363
B
ARG
364
n
13
ARG
364
B
PHE
365
n
14
PHE
365
B
PRO
366
n
15
PRO
366
B
ARG
367
n
16
ARG
367
B
MET
368
n
17
MET
368
B
VAL
369
n
18
VAL
369
B
ARG
370
n
19
ARG
370
B
ASP
371
n
20
ASP
371
B
LEU
372
n
21
LEU
372
B
ALA
373
n
22
ALA
373
B
LYS
374
n
23
LYS
374
B
LYS
375
n
24
LYS
375
B
MET
376
n
25
MET
376
B
ASN
377
n
26
ASN
377
B
LYS
378
n
27
LYS
378
B
GLU
379
n
28
GLU
379
B
VAL
380
n
29
VAL
380
B
ASN
381
n
30
ASN
381
B
PHE
382
n
31
PHE
382
B
ILE
383
n
32
ILE
383
B
MET
384
n
33
MET
384
B
ARG
385
n
34
ARG
385
B
GLY
386
n
35
GLY
386
B
GLU
387
n
36
GLU
387
B
ASP
388
n
37
ASP
388
B
THR
389
n
38
THR
389
B
GLU
390
n
39
GLU
390
B
LEU
391
n
40
LEU
391
B
ASP
392
n
41
ASP
392
B
ARG
393
n
42
ARG
393
B
THR
394
n
43
THR
394
B
PHE
395
n
44
PHE
395
B
VAL
396
n
45
VAL
396
B
GLU
397
n
46
GLU
397
B
GLU
398
n
47
GLU
398
B
ILE
399
n
48
ILE
399
B
GLY
400
n
49
GLY
400
B
GLU
401
n
50
GLU
401
B
PRO
402
n
51
PRO
402
B
LEU
403
n
52
LEU
403
B
LEU
404
n
53
LEU
404
B
HIS
405
n
54
HIS
405
B
LEU
406
n
55
LEU
406
B
LEU
407
n
56
LEU
407
B
ARG
408
n
57
ARG
408
B
ASN
409
n
58
ASN
409
B
ALA
410
n
59
ALA
410
B
ILE
411
n
60
ILE
411
B
ASP
412
n
61
ASP
412
B
HIS
413
n
62
HIS
413
B
GLY
414
n
63
GLY
414
B
ILE
415
n
64
ILE
415
B
GLU
416
n
65
GLU
416
B
PRO
417
n
66
PRO
417
B
LYS
418
n
67
LYS
418
B
GLU
419
n
68
GLU
419
B
GLU
420
n
69
GLU
420
B
ARG
421
n
70
ARG
421
B
ILE
422
n
71
ILE
422
B
ALA
423
n
72
ALA
423
B
LYS
424
n
73
LYS
424
B
GLY
425
n
74
GLY
425
B
LYS
426
n
75
LYS
426
B
PRO
427
n
76
PRO
427
B
PRO
428
n
77
PRO
428
B
ILE
429
n
78
ILE
429
B
GLY
430
n
79
GLY
430
B
THR
431
n
80
THR
431
B
LEU
432
n
81
LEU
432
B
ILE
433
n
82
ILE
433
B
LEU
434
n
83
LEU
434
B
SER
435
n
84
SER
435
B
ALA
436
n
85
ALA
436
B
ARG
437
n
86
ARG
437
B
HIS
438
n
87
HIS
438
B
GLU
439
n
88
GLU
439
B
GLY
440
n
89
GLY
440
B
ASN
441
n
90
ASN
441
B
ASN
442
n
91
ASN
442
B
VAL
443
n
92
VAL
443
B
VAL
444
n
93
VAL
444
B
ILE
445
n
94
ILE
445
B
GLU
446
n
95
GLU
446
B
VAL
447
n
96
VAL
447
B
GLU
448
n
97
GLU
448
B
ASP
449
n
98
ASP
449
B
ASP
450
n
99
ASP
450
B
GLY
451
n
100
GLY
451
B
ARG
452
n
101
ARG
452
B
GLY
453
n
102
GLY
453
B
ILE
454
n
103
ILE
454
B
ASP
455
n
104
ASP
455
B
LYS
456
n
105
LYS
456
B
GLU
457
n
106
GLU
457
B
LYS
458
n
107
LYS
458
B
ILE
459
n
108
ILE
459
B
ILE
460
n
109
ILE
460
B
ARG
461
n
110
ARG
461
B
LYS
462
n
111
LYS
462
B
ALA
463
n
112
ALA
463
B
ILE
464
n
113
ILE
464
B
GLU
465
n
114
GLU
465
B
LYS
466
n
115
LYS
466
B
GLY
467
n
116
GLY
467
B
LEU
468
n
117
LEU
468
B
ILE
469
n
118
ILE
469
B
ASP
470
n
119
ASP
470
B
GLU
471
n
120
GLU
471
B
SER
472
n
121
SER
472
B
LYS
473
n
122
LYS
473
B
ALA
474
n
123
ALA
474
B
ALA
475
n
124
ALA
475
B
THR
476
n
125
THR
476
B
LEU
477
n
126
LEU
477
B
SER
478
n
127
SER
478
B
ASP
479
n
128
ASP
479
B
GLN
480
n
129
GLN
480
B
GLU
481
n
130
GLU
481
B
ILE
482
n
131
ILE
482
B
LEU
483
n
132
LEU
483
B
ASN
484
n
133
ASN
484
B
PHE
485
n
134
PHE
485
B
LEU
486
n
135
LEU
486
B
PHE
487
n
136
PHE
487
B
VAL
488
n
137
VAL
488
B
PRO
489
n
138
PRO
489
B
GLY
490
n
139
GLY
490
B
PHE
491
n
140
PHE
491
B
SER
492
n
141
SER
492
B
THR
493
n
142
THR
493
B
LYS
494
n
143
LYS
494
B
GLU
495
n
144
GLU
495
B
LYS
496
n
145
LYS
496
B
VAL
497
n
146
VAL
497
B
SER
498
n
147
SER
498
B
GLU
499
n
148
GLU
499
B
VAL
500
n
149
VAL
500
B
SER
501
n
150
SER
501
B
GLY
502
n
151
GLY
502
B
ARG
503
n
152
ARG
503
B
GLY
504
n
153
GLY
504
B
VAL
505
n
154
VAL
505
B
GLY
506
n
155
GLY
506
B
MET
507
n
156
MET
507
B
ASP
508
n
157
ASP
508
B
VAL
509
n
158
VAL
509
B
VAL
510
n
159
VAL
510
B
LYS
511
n
160
LYS
511
B
ASN
512
n
161
ASN
512
B
VAL
513
n
162
VAL
513
B
VAL
514
n
163
VAL
514
B
GLU
515
n
164
GLU
515
B
SER
516
n
165
SER
516
B
LEU
517
n
166
LEU
517
B
ASN
518
n
167
ASN
518
B
GLY
519
n
168
GLY
519
B
SER
520
n
169
SER
520
B
ILE
521
n
170
ILE
521
B
SER
522
n
171
SER
522
B
ILE
523
n
172
ILE
523
B
GLU
524
n
173
GLU
524
B
SER
525
n
174
SER
525
B
GLU
526
n
175
GLU
526
B
LYS
527
n
176
LYS
527
B
ASP
528
n
177
ASP
528
B
LYS
529
n
178
LYS
529
B
GLY
530
n
179
GLY
530
B
THR
531
n
180
THR
531
B
LYS
532
n
181
LYS
532
B
VAL
533
n
182
VAL
533
B
THR
534
n
183
THR
534
B
ILE
535
n
184
ILE
535
B
ARG
536
n
185
ARG
536
B
LEU
537
n
186
LEU
537
B
PRO
538
n
187
PRO
538
B
LEU
539
n
188
LEU
539
B
THR
540
n
189
THR
540
B
author_defined_assembly
2
dimeric
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
HOH
7
G
O
HOH
1_555
102.3
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ASN
409
A
OD1
ASN
58
1_555
90.8
A
HOH
7
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ASN
409
A
OD1
ASN
58
1_555
83.8
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2G
ANP
1_555
88.8
A
HOH
7
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2G
ANP
1_555
101.1
A
ASN
409
A
OD1
ASN
58
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2G
ANP
1_555
175.1
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2B
ANP
1_555
166.6
A
HOH
7
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2B
ANP
1_555
90.7
A
ASN
409
A
OD1
ASN
58
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2B
ANP
1_555
87.6
A
ANP
998
E
O2G
ANP
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2B
ANP
1_555
91.7
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
84.0
A
HOH
7
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
168.2
A
ASN
409
A
OD1
ASN
58
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
86.2
A
ANP
998
E
O2G
ANP
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
88.9
A
ANP
998
E
O2B
ANP
1_555
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
82.7
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
A
N
VAL
356
A
N
VAL
5
A
O
LEU
391
A
O
LEU
40
A
N
ASN
381
A
N
ASN
30
A
O
GLY
430
A
O
GLY
79
A
N
GLU
439
A
N
GLU
88
A
O
ASN
442
A
O
ASN
91
A
N
ASP
449
A
N
ASP
98
A
O
THR
531
A
O
THR
180
A
N
ARG
536
A
N
ARG
185
A
O
SER
520
A
O
SER
169
B
O
VAL
356
B
O
VAL
5
B
N
LEU
391
B
N
LEU
40
B
N
ASN
381
B
N
ASN
30
B
O
GLY
430
B
O
GLY
79
B
N
GLU
439
B
N
GLU
88
B
O
ASN
442
B
O
ASN
91
B
N
ASP
449
B
N
ASP
98
B
O
THR
531
B
O
THR
180
B
N
ARG
536
B
N
ARG
185
B
O
SER
520
B
O
SER
169
1
A
CG1
ILE
429
A
CG1
ILE
78
1
Y
1
A
CG2
ILE
429
A
CG2
ILE
78
1
Y
1
A
CD1
ILE
429
A
CD1
ILE
78
1
Y
1
A
CG
LYS
494
A
CG
LYS
143
1
Y
1
A
CD
LYS
494
A
CD
LYS
143
1
Y
1
A
CE
LYS
494
A
CE
LYS
143
1
Y
1
A
NZ
LYS
494
A
NZ
LYS
143
1
Y
1
A
CG
ARG
503
A
CG
ARG
152
1
Y
1
A
CD
ARG
503
A
CD
ARG
152
1
Y
1
A
NE
ARG
503
A
NE
ARG
152
1
Y
1
A
CZ
ARG
503
A
CZ
ARG
152
1
Y
1
A
NH1
ARG
503
A
NH1
ARG
152
1
Y
1
A
NH2
ARG
503
A
NH2
ARG
152
1
Y
1
A
CG
LYS
529
A
CG
LYS
178
1
Y
1
A
CD
LYS
529
A
CD
LYS
178
1
Y
1
A
CE
LYS
529
A
CE
LYS
178
1
Y
1
A
NZ
LYS
529
A
NZ
LYS
178
1
Y
1
B
CG
GLU
419
B
CG
GLU
68
1
Y
1
B
CD
GLU
419
B
CD
GLU
68
1
Y
1
B
OE1
GLU
419
B
OE1
GLU
68
1
Y
1
B
OE2
GLU
419
B
OE2
GLU
68
1
Y
1
B
CG
GLU
495
B
CG
GLU
144
1
Y
1
B
CD
GLU
495
B
CD
GLU
144
1
Y
1
B
OE1
GLU
495
B
OE1
GLU
144
1
Y
1
B
OE2
GLU
495
B
OE2
GLU
144
1
Y
1
B
CG
LYS
496
B
CG
LYS
145
1
Y
1
B
CD
LYS
496
B
CD
LYS
145
1
Y
1
B
CE
LYS
496
B
CE
LYS
145
1
Y
1
B
NZ
LYS
496
B
NZ
LYS
145
1
Y
1
B
CG
GLU
499
B
CG
GLU
148
1
Y
1
B
CD
GLU
499
B
CD
GLU
148
1
Y
1
B
OE1
GLU
499
B
OE1
GLU
148
1
Y
1
B
OE2
GLU
499
B
OE2
GLU
148
1
Y
1
A
GLY
352
A
GLY
1
1
Y
1
A
GLU
495
A
GLU
144
1
Y
1
A
LYS
496
A
LYS
145
1
Y
1
A
VAL
497
A
VAL
146
1
Y
1
A
SER
498
A
SER
147
1
Y
1
A
GLU
499
A
GLU
148
1
Y
1
A
VAL
500
A
VAL
149
1
Y
1
A
SER
501
A
SER
150
1
Y
1
A
GLY
502
A
GLY
151
1
Y
1
B
GLY
352
B
GLY
1
1
Y
1
A
ASN
441
-92.97
32.65
1
A
ASP
450
-109.53
41.69
1
A
VAL
505
-54.76
-136.80
1
A
ASP
528
62.45
-0.65
1
B
ASN
377
37.51
64.38
1
B
ASP
450
-107.23
43.06
1
B
LYS
494
75.23
164.46
1
B
GLU
495
-175.27
-51.91
PROTEIN_REP.PA
PROTEIN.TOP
ANP2.PAR
WATER.TOP
ADP.PAR
ACE.TOP
WATER.PARAM
ANP.TOP
ION.PARAM
ADP.TOP
25.6
-3.08
0.00
2.65
0.32
0.00
2.76
0.2530000
0.005
0.2220000
0.2200000
0.2220000
1.80
26.08
2695
27387
27027
10.0
86.2
RANDOM
101404152.26
0.00
1
RESTRAINED
THROUGHOUT
0.
0.0
MOLECULAR REPLACEMENT
1B3Q
Engh & Huber
FLAT MODEL
52.82
0.359
0.28
0.24
5.00
0.20
0.16
1.80
26.08
244
3165
63
0
2858
0.006
1.3
22.7
0.79
0.92
1.50
1.54
2.00
1.99
2.00
2.83
2.50
0.4260000
0.037
0.3780000
1.86
130
1136
10
10.3
40.5
24.3
1.8
30.
1I59
27387
27387
1
1
0.0420000
1
35
1
87.0
0.1680000
1.80
1.86
6
1
42.0
phasing
EPMR
refinement
CNS
1.0
data reduction
DENZO
data scaling
SCALEPACK
STRUCTURE OF THE HISTIDINE KINASE CHEA ATP-BINDING DOMAIN IN COMPLEX WITH ADPNP AND MAGENSIUM
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
6
N
N
6
N
N
A
ILE
358
A
ILE
7
HELX_P
A
ASN
363
A
ASN
12
1
1
6
A
ARG
364
A
ARG
13
HELX_P
A
ASN
377
A
ASN
26
1
2
14
A
ARG
393
A
ARG
42
HELX_P
A
HIS
413
A
HIS
62
1
3
21
A
PRO
417
A
PRO
66
HELX_P
A
GLY
425
A
GLY
74
1
4
9
A
ASP
455
A
ASP
104
HELX_P
A
LYS
466
A
LYS
115
1
5
12
A
ASP
470
A
ASP
119
HELX_P
A
ALA
475
A
ALA
124
1
6
6
A
SER
478
A
SER
127
HELX_P
A
ASN
484
A
ASN
133
1
7
7
A
PHE
485
A
PHE
134
HELX_P
A
VAL
488
A
VAL
137
5
8
4
A
GLY
506
A
GLY
155
HELX_P
A
LEU
517
A
LEU
166
1
9
12
B
ILE
358
B
ILE
7
HELX_P
B
ASN
363
B
ASN
12
1
10
6
B
ARG
364
B
ARG
13
HELX_P
B
MET
376
B
MET
25
1
11
13
B
PHE
395
B
PHE
44
HELX_P
B
GLY
414
B
GLY
63
1
12
20
B
PRO
417
B
PRO
66
HELX_P
B
LYS
424
B
LYS
73
1
13
8
B
ASP
455
B
ASP
104
HELX_P
B
LYS
466
B
LYS
115
1
14
12
B
ASP
470
B
ASP
119
HELX_P
B
ALA
475
B
ALA
124
1
15
6
B
SER
478
B
SER
127
HELX_P
B
ASN
484
B
ASN
133
1
16
7
B
PHE
485
B
PHE
134
HELX_P
B
VAL
488
B
VAL
137
5
17
4
B
GLY
506
B
GLY
155
HELX_P
B
LEU
517
B
LEU
166
1
18
12
metalc
2.425
A
HOH
6
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
metalc
2.253
A
HOH
7
G
O
HOH
1_555
A
MG
996
D
MG
MG
1_555
metalc
2.263
A
ASN
409
A
OD1
ASN
58
1_555
A
MG
996
D
MG
MG
1_555
metalc
2.474
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2G
ANP
1_555
metalc
2.508
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O2B
ANP
1_555
metalc
2.526
A
MG
996
D
MG
MG
1_555
A
ANP
998
E
O1A
ANP
1_555
SIGNALING PROTEIN, TRANSFERASE
beta-alpha sandwich, SIGNALING PROTEIN, TRANSFERASE
CHEA_THEMA
UNP
1
355
Q56310
KIRMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGEPLLHLLRNAIDHGIEPKEERIAKGKPPIGT
LILSARHEGNNVVIEVEDDGRGIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSTKEKVSEVSGRGVGMDVVK
NVVESLNGSISIESEKDKGTKVTIRLPLT
352
540
1I59
352
540
Q56310
A
1
1
189
352
540
1I59
352
540
Q56310
B
1
1
189
1
LYS
engineered mutation
GLY
352
1I59
A
Q56310
UNP
352
1
1
ILE
engineered mutation
SER
353
1I59
A
Q56310
UNP
353
2
1
ARG
engineered mutation
HIS
354
1I59
A
Q56310
UNP
354
3
2
LYS
engineered mutation
GLY
352
1I59
B
Q56310
UNP
352
1
2
ILE
engineered mutation
SER
353
1I59
B
Q56310
UNP
353
2
2
ARG
engineered mutation
HIS
354
1I59
B
Q56310
UNP
354
3
2
5
2
5
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
MET
355
A
MET
4
A
PRO
357
A
PRO
6
A
GLU
390
A
GLU
39
A
ASP
392
A
ASP
41
A
VAL
380
A
VAL
29
A
ARG
385
A
ARG
34
A
GLY
430
A
GLY
79
A
GLU
439
A
GLU
88
A
ASN
442
A
ASN
91
A
ASP
449
A
ASP
98
A
GLY
530
A
GLY
179
A
PRO
538
A
PRO
187
A
SER
520
A
SER
169
A
GLU
526
A
GLU
175
B
MET
355
B
MET
4
B
PRO
357
B
PRO
6
B
GLU
390
B
GLU
39
B
ASP
392
B
ASP
41
B
VAL
380
B
VAL
29
B
ARG
385
B
ARG
34
B
GLY
430
B
GLY
79
B
GLU
439
B
GLU
88
B
ASN
442
B
ASN
91
B
ASP
449
B
ASP
98
B
GLY
530
B
GLY
179
B
PRO
538
B
PRO
187
B
SER
520
B
SER
169
B
GLU
526
B
GLU
175
BINDING SITE FOR RESIDUE ACT A 995
A
ACT
995
Software
4
BINDING SITE FOR RESIDUE MG A 996
A
MG
996
Software
4
BINDING SITE FOR RESIDUE ANP A 998
A
ANP
998
Software
19
BINDING SITE FOR RESIDUE ADP B 999
B
ADP
999
Software
19
A
ILE
454
A
ILE
103
4
1_555
A
ASP
455
A
ASP
104
4
1_555
A
LYS
458
A
LYS
107
4
1_555
A
ANP
998
E
ANP
4
1_555
A
HOH
6
G
HOH
4
1_555
A
HOH
7
G
HOH
4
1_555
A
ASN
409
A
ASN
58
4
1_555
A
ANP
998
E
ANP
4
1_555
A
HOH
3
G
HOH
19
1_555
A
HOH
5
G
HOH
19
1_555
A
HOH
7
G
HOH
19
1_555
A
HOH
10
G
HOH
19
1_555
A
ASN
409
A
ASN
58
19
1_555
A
ALA
410
A
ALA
59
19
1_555
A
HIS
413
A
HIS
62
19
1_555
A
GLY
414
A
GLY
63
19
1_555
A
ASP
449
A
ASP
98
19
1_555
A
ILE
454
A
ILE
103
19
1_555
A
LEU
486
A
LEU
135
19
1_555
A
SER
492
A
SER
141
19
1_555
A
LYS
494
A
LYS
143
19
1_555
A
VAL
505
A
VAL
154
19
1_555
A
GLY
506
A
GLY
155
19
1_555
A
MET
507
A
MET
156
19
1_555
A
THR
531
A
THR
180
19
1_555
A
ACT
995
C
ACT
19
1_555
A
MG
996
D
MG
19
1_555
B
HOH
12
H
HOH
19
1_555
B
HOH
13
H
HOH
19
1_555
B
HOH
14
H
HOH
19
1_555
B
HOH
15
H
HOH
19
1_555
B
HOH
18
H
HOH
19
1_555
B
HOH
20
H
HOH
19
1_555
B
HOH
253
H
HOH
19
1_555
B
HOH
258
H
HOH
19
1_555
B
HIS
405
B
HIS
54
19
1_555
B
ASN
409
B
ASN
58
19
1_555
B
HIS
413
B
HIS
62
19
1_555
B
GLY
414
B
GLY
63
19
1_555
B
ASP
449
B
ASP
98
19
1_555
B
GLY
453
B
GLY
102
19
1_555
B
ILE
454
B
ILE
103
19
1_555
B
SER
492
B
SER
141
19
1_555
B
GLY
506
B
GLY
155
19
1_555
B
MET
507
B
MET
156
19
1_555
B
THR
531
B
THR
180
19
1_555
4
monoclinic
P 1 21 1