0.007704
0.000000
0.005516
0.000000
0.014409
0.000000
0.000000
0.000000
0.010913
0.00000
0.00000
0.00000
Morais-Cabral, J.H.
Zhou, Y.
MacKinnon, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
16
90.00
125.60
90.00
129.800
69.400
112.700
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
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
Rb 1
85.468
RUBIDIUM ION
non-polymer
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C16 H36 N 1
242.464
TETRABUTYLAMMONIUM 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
O
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
N
N
58
R
C
N
59
N
C
N
60
N
O
N
61
N
C
N
62
N
S
N
63
N
O
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
N
N
72
S
C
N
73
N
C
N
74
N
O
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
O
N
79
N
N
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
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
N
N
92
S
C
N
93
N
C
N
94
N
O
N
95
N
C
N
96
N
C
N
97
N
C
N
98
N
O
N
99
N
O
N
100
N
O
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
N
N
111
N
C
N
112
N
C
N
113
N
O
N
114
N
O
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
H
N
120
N
N
N
121
S
C
N
122
N
C
N
123
N
O
N
124
N
C
Y
125
N
C
Y
126
N
N
Y
127
N
C
Y
128
N
C
Y
129
N
N
N
130
N
O
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
O
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
RB
N
274
N
N
N
275
S
C
N
276
N
C
N
277
N
O
N
278
N
C
N
279
N
O
N
280
N
O
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
N
C
N
290
N
C
N
291
N
C
N
292
N
C
N
293
N
C
N
294
N
C
N
295
N
C
N
296
N
C
N
297
N
C
N
298
N
C
N
299
N
C
N
300
N
C
N
301
N
C
N
302
N
C
N
303
N
C
N
304
N
C
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
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
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
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
N
N
342
S
C
N
343
N
C
N
344
N
O
N
345
R
C
N
346
N
O
N
347
N
C
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
N
N
359
S
C
N
360
N
C
N
361
N
O
N
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
N
Y
367
N
C
Y
368
N
C
Y
369
N
C
Y
370
N
C
Y
371
N
C
N
372
N
O
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
379
N
H
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
N
N
386
S
C
N
387
N
C
N
388
N
O
N
389
N
C
Y
390
N
C
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
N
396
N
O
N
397
N
O
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
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
N
N
410
S
C
N
411
N
C
N
412
N
O
N
413
N
C
N
414
N
C
N
415
N
C
N
416
N
O
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
424
N
H
N
425
N
H
N
426
N
H
N
427
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
doub
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
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
doub
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
doub
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
doub
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
doub
N
111
N
sing
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
doub
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
Y
124
N
sing
Y
125
N
doub
Y
126
N
doub
N
127
N
sing
Y
128
N
sing
N
129
N
sing
Y
130
N
sing
N
131
N
sing
N
132
N
sing
N
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
doub
N
143
N
sing
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
doub
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
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
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
doub
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
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
doub
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
Y
232
N
doub
Y
233
N
sing
Y
234
N
sing
N
235
N
sing
Y
236
N
doub
N
237
N
sing
Y
238
N
doub
N
239
N
sing
Y
240
N
sing
N
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
doub
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
sing
N
267
N
doub
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
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
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
sing
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
sing
N
331
N
sing
N
332
N
doub
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
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
doub
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
Y
353
N
doub
Y
354
N
sing
Y
355
N
sing
N
356
N
sing
Y
357
N
doub
Y
358
N
sing
Y
359
N
sing
N
360
N
sing
Y
361
N
sing
Y
362
N
doub
N
363
N
sing
Y
364
N
doub
N
365
N
sing
Y
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
doub
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
Y
381
N
doub
Y
382
N
sing
Y
383
N
sing
N
384
N
sing
Y
385
N
doub
N
386
N
sing
Y
387
N
doub
N
388
N
sing
Y
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
sing
N
400
N
doub
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
N
411
N
sing
UK
Nature
NATUAS
0006
0028-0836
414
37
42
10.1038/35102000
11689935
Energetic optimization of ion conduction rate by the K+ selectivity filter.
2001
10.2210/pdb1jvm/pdb
pdb_00001jvm
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
2000-06-25
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.964
1.0
ID13
ESRF
0.964
SYNCHROTRON
ESRF BEAMLINE ID13
13358.756
Voltage-gated potassium channel
Residues 1-125
P2A,L90C
4
man
polymer
85.468
RUBIDIUM ION
3
syn
non-polymer
242.464
TETRABUTYLAMMONIUM ION
1
syn
non-polymer
18.015
water
1
nat
water
no
no
MAPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGD
LYPVTLWGRCVAVVVMVAGITSFGLVTAALATWFVGREQERRGHF
MAPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGD
LYPVTLWGRCVAVVVMVAGITSFGLVTAALATWFVGREQERRGHF
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Streptomyces
Escherichia
sample
1916
Streptomyces lividans
562
Escherichia coli
XL1-Blue
plasmid
pQE-60
1
3.86
68.14
VAPOR DIFFUSION, SITTING DROP
7.5
PEG400,calcium chloride, Hepes, potassium chloride, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
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
2001-12-05
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_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.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.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_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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND POTASSIUM
POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS
RCSB
Y
RCSB
2001-08-30
REL
REL
RB
RUBIDIUM ION
TBA
TETRABUTYLAMMONIUM ION
HOH
water
1BL8
PDB Entry 1BL8
PDB
experimental model
RB
1
2
RB
RB
126
A
RB
2
2
RB
RB
127
A
RB
3
2
RB
RB
128
A
TEA
1
3
TBA
TBA
129
A
TIP
806
4
HOH
HOH
806
D
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
n
10
10
A
n
11
11
A
n
12
12
A
n
13
13
A
n
14
14
A
n
15
15
A
n
16
16
A
n
17
17
A
n
18
18
A
n
19
19
A
n
20
20
A
n
21
21
A
n
22
22
A
n
23
23
A
LEU
24
n
24
LEU
24
A
HIS
25
n
25
HIS
25
A
TRP
26
n
26
TRP
26
A
ARG
27
n
27
ARG
27
A
ALA
28
n
28
ALA
28
A
ALA
29
n
29
ALA
29
A
GLY
30
n
30
GLY
30
A
ALA
31
n
31
ALA
31
A
ALA
32
n
32
ALA
32
A
THR
33
n
33
THR
33
A
VAL
34
n
34
VAL
34
A
LEU
35
n
35
LEU
35
A
LEU
36
n
36
LEU
36
A
VAL
37
n
37
VAL
37
A
ILE
38
n
38
ILE
38
A
VAL
39
n
39
VAL
39
A
LEU
40
n
40
LEU
40
A
LEU
41
n
41
LEU
41
A
ALA
42
n
42
ALA
42
A
GLY
43
n
43
GLY
43
A
SER
44
n
44
SER
44
A
TYR
45
n
45
TYR
45
A
LEU
46
n
46
LEU
46
A
ALA
47
n
47
ALA
47
A
VAL
48
n
48
VAL
48
A
LEU
49
n
49
LEU
49
A
ALA
50
n
50
ALA
50
A
GLU
51
n
51
GLU
51
A
ARG
52
n
52
ARG
52
A
GLY
53
n
53
GLY
53
A
ALA
54
n
54
ALA
54
A
PRO
55
n
55
PRO
55
A
GLY
56
n
56
GLY
56
A
ALA
57
n
57
ALA
57
A
GLN
58
n
58
GLN
58
A
LEU
59
n
59
LEU
59
A
ILE
60
n
60
ILE
60
A
THR
61
n
61
THR
61
A
TYR
62
n
62
TYR
62
A
PRO
63
n
63
PRO
63
A
ARG
64
n
64
ARG
64
A
ALA
65
n
65
ALA
65
A
LEU
66
n
66
LEU
66
A
TRP
67
n
67
TRP
67
A
TRP
68
n
68
TRP
68
A
SER
69
n
69
SER
69
A
VAL
70
n
70
VAL
70
A
GLU
71
n
71
GLU
71
A
THR
72
n
72
THR
72
A
ALA
73
n
73
ALA
73
A
THR
74
n
74
THR
74
A
THR
75
n
75
THR
75
A
VAL
76
n
76
VAL
76
A
GLY
77
n
77
GLY
77
A
TYR
78
n
78
TYR
78
A
GLY
79
n
79
GLY
79
A
ASP
80
n
80
ASP
80
A
LEU
81
n
81
LEU
81
A
TYR
82
n
82
TYR
82
A
PRO
83
n
83
PRO
83
A
VAL
84
n
84
VAL
84
A
THR
85
n
85
THR
85
A
LEU
86
n
86
LEU
86
A
TRP
87
n
87
TRP
87
A
GLY
88
n
88
GLY
88
A
ARG
89
n
89
ARG
89
A
CYS
90
n
90
CYS
90
A
VAL
91
n
91
VAL
91
A
ALA
92
n
92
ALA
92
A
VAL
93
n
93
VAL
93
A
VAL
94
n
94
VAL
94
A
VAL
95
n
95
VAL
95
A
MET
96
n
96
MET
96
A
VAL
97
n
97
VAL
97
A
ALA
98
n
98
ALA
98
A
GLY
99
n
99
GLY
99
A
ILE
100
n
100
ILE
100
A
THR
101
n
101
THR
101
A
SER
102
n
102
SER
102
A
PHE
103
n
103
PHE
103
A
GLY
104
n
104
GLY
104
A
LEU
105
n
105
LEU
105
A
VAL
106
n
106
VAL
106
A
THR
107
n
107
THR
107
A
ALA
108
n
108
ALA
108
A
ALA
109
n
109
ALA
109
A
LEU
110
n
110
LEU
110
A
ALA
111
n
111
ALA
111
A
THR
112
n
112
THR
112
A
TRP
113
n
113
TRP
113
A
PHE
114
n
114
PHE
114
A
VAL
115
n
115
VAL
115
A
GLY
116
n
116
GLY
116
A
ARG
117
n
117
ARG
117
A
GLU
118
n
118
GLU
118
A
GLN
119
n
119
GLN
119
A
GLU
120
n
120
GLU
120
A
n
121
121
A
n
122
122
A
n
123
123
A
n
124
124
A
n
125
125
A
n
1
1
B
n
2
2
B
n
3
3
B
n
4
4
B
n
5
5
B
n
6
6
B
n
7
7
B
n
8
8
B
n
9
9
B
n
10
10
B
n
11
11
B
n
12
12
B
n
13
13
B
n
14
14
B
n
15
15
B
n
16
16
B
n
17
17
B
n
18
18
B
n
19
19
B
n
20
20
B
n
21
21
B
n
22
22
B
n
23
23
B
LEU
24
n
24
LEU
24
B
HIS
25
n
25
HIS
25
B
TRP
26
n
26
TRP
26
B
ARG
27
n
27
ARG
27
B
ALA
28
n
28
ALA
28
B
ALA
29
n
29
ALA
29
B
GLY
30
n
30
GLY
30
B
ALA
31
n
31
ALA
31
B
ALA
32
n
32
ALA
32
B
THR
33
n
33
THR
33
B
VAL
34
n
34
VAL
34
B
LEU
35
n
35
LEU
35
B
LEU
36
n
36
LEU
36
B
VAL
37
n
37
VAL
37
B
ILE
38
n
38
ILE
38
B
VAL
39
n
39
VAL
39
B
LEU
40
n
40
LEU
40
B
LEU
41
n
41
LEU
41
B
ALA
42
n
42
ALA
42
B
GLY
43
n
43
GLY
43
B
SER
44
n
44
SER
44
B
TYR
45
n
45
TYR
45
B
LEU
46
n
46
LEU
46
B
ALA
47
n
47
ALA
47
B
VAL
48
n
48
VAL
48
B
LEU
49
n
49
LEU
49
B
ALA
50
n
50
ALA
50
B
GLU
51
n
51
GLU
51
B
ARG
52
n
52
ARG
52
B
GLY
53
n
53
GLY
53
B
ALA
54
n
54
ALA
54
B
PRO
55
n
55
PRO
55
B
GLY
56
n
56
GLY
56
B
ALA
57
n
57
ALA
57
B
GLN
58
n
58
GLN
58
B
LEU
59
n
59
LEU
59
B
ILE
60
n
60
ILE
60
B
THR
61
n
61
THR
61
B
TYR
62
n
62
TYR
62
B
PRO
63
n
63
PRO
63
B
ARG
64
n
64
ARG
64
B
ALA
65
n
65
ALA
65
B
LEU
66
n
66
LEU
66
B
TRP
67
n
67
TRP
67
B
TRP
68
n
68
TRP
68
B
SER
69
n
69
SER
69
B
VAL
70
n
70
VAL
70
B
GLU
71
n
71
GLU
71
B
THR
72
n
72
THR
72
B
ALA
73
n
73
ALA
73
B
THR
74
n
74
THR
74
B
THR
75
n
75
THR
75
B
VAL
76
n
76
VAL
76
B
GLY
77
n
77
GLY
77
B
TYR
78
n
78
TYR
78
B
GLY
79
n
79
GLY
79
B
ASP
80
n
80
ASP
80
B
LEU
81
n
81
LEU
81
B
TYR
82
n
82
TYR
82
B
PRO
83
n
83
PRO
83
B
VAL
84
n
84
VAL
84
B
THR
85
n
85
THR
85
B
LEU
86
n
86
LEU
86
B
TRP
87
n
87
TRP
87
B
GLY
88
n
88
GLY
88
B
ARG
89
n
89
ARG
89
B
CYS
90
n
90
CYS
90
B
VAL
91
n
91
VAL
91
B
ALA
92
n
92
ALA
92
B
VAL
93
n
93
VAL
93
B
VAL
94
n
94
VAL
94
B
VAL
95
n
95
VAL
95
B
MET
96
n
96
MET
96
B
VAL
97
n
97
VAL
97
B
ALA
98
n
98
ALA
98
B
GLY
99
n
99
GLY
99
B
ILE
100
n
100
ILE
100
B
THR
101
n
101
THR
101
B
SER
102
n
102
SER
102
B
PHE
103
n
103
PHE
103
B
GLY
104
n
104
GLY
104
B
LEU
105
n
105
LEU
105
B
VAL
106
n
106
VAL
106
B
THR
107
n
107
THR
107
B
ALA
108
n
108
ALA
108
B
ALA
109
n
109
ALA
109
B
LEU
110
n
110
LEU
110
B
ALA
111
n
111
ALA
111
B
THR
112
n
112
THR
112
B
TRP
113
n
113
TRP
113
B
PHE
114
n
114
PHE
114
B
VAL
115
n
115
VAL
115
B
GLY
116
n
116
GLY
116
B
ARG
117
n
117
ARG
117
B
GLU
118
n
118
GLU
118
B
GLN
119
n
119
GLN
119
B
GLU
120
n
120
GLU
120
B
ARG
121
n
121
ARG
121
B
ARG
122
n
122
ARG
122
B
GLY
123
n
123
GLY
123
B
n
124
124
B
n
125
125
B
n
1
1
C
n
2
2
C
n
3
3
C
n
4
4
C
n
5
5
C
n
6
6
C
n
7
7
C
n
8
8
C
n
9
9
C
n
10
10
C
n
11
11
C
n
12
12
C
n
13
13
C
n
14
14
C
n
15
15
C
n
16
16
C
n
17
17
C
n
18
18
C
n
19
19
C
n
20
20
C
n
21
21
C
n
22
22
C
n
23
23
C
LEU
24
n
24
LEU
24
C
HIS
25
n
25
HIS
25
C
TRP
26
n
26
TRP
26
C
ARG
27
n
27
ARG
27
C
ALA
28
n
28
ALA
28
C
ALA
29
n
29
ALA
29
C
GLY
30
n
30
GLY
30
C
ALA
31
n
31
ALA
31
C
ALA
32
n
32
ALA
32
C
THR
33
n
33
THR
33
C
VAL
34
n
34
VAL
34
C
LEU
35
n
35
LEU
35
C
LEU
36
n
36
LEU
36
C
VAL
37
n
37
VAL
37
C
ILE
38
n
38
ILE
38
C
VAL
39
n
39
VAL
39
C
LEU
40
n
40
LEU
40
C
LEU
41
n
41
LEU
41
C
ALA
42
n
42
ALA
42
C
GLY
43
n
43
GLY
43
C
SER
44
n
44
SER
44
C
TYR
45
n
45
TYR
45
C
LEU
46
n
46
LEU
46
C
ALA
47
n
47
ALA
47
C
VAL
48
n
48
VAL
48
C
LEU
49
n
49
LEU
49
C
ALA
50
n
50
ALA
50
C
GLU
51
n
51
GLU
51
C
ARG
52
n
52
ARG
52
C
GLY
53
n
53
GLY
53
C
ALA
54
n
54
ALA
54
C
PRO
55
n
55
PRO
55
C
GLY
56
n
56
GLY
56
C
ALA
57
n
57
ALA
57
C
GLN
58
n
58
GLN
58
C
LEU
59
n
59
LEU
59
C
ILE
60
n
60
ILE
60
C
THR
61
n
61
THR
61
C
TYR
62
n
62
TYR
62
C
PRO
63
n
63
PRO
63
C
ARG
64
n
64
ARG
64
C
ALA
65
n
65
ALA
65
C
LEU
66
n
66
LEU
66
C
TRP
67
n
67
TRP
67
C
TRP
68
n
68
TRP
68
C
SER
69
n
69
SER
69
C
VAL
70
n
70
VAL
70
C
GLU
71
n
71
GLU
71
C
THR
72
n
72
THR
72
C
ALA
73
n
73
ALA
73
C
THR
74
n
74
THR
74
C
THR
75
n
75
THR
75
C
VAL
76
n
76
VAL
76
C
GLY
77
n
77
GLY
77
C
TYR
78
n
78
TYR
78
C
GLY
79
n
79
GLY
79
C
ASP
80
n
80
ASP
80
C
LEU
81
n
81
LEU
81
C
TYR
82
n
82
TYR
82
C
PRO
83
n
83
PRO
83
C
VAL
84
n
84
VAL
84
C
THR
85
n
85
THR
85
C
LEU
86
n
86
LEU
86
C
TRP
87
n
87
TRP
87
C
GLY
88
n
88
GLY
88
C
ARG
89
n
89
ARG
89
C
CYS
90
n
90
CYS
90
C
VAL
91
n
91
VAL
91
C
ALA
92
n
92
ALA
92
C
VAL
93
n
93
VAL
93
C
VAL
94
n
94
VAL
94
C
VAL
95
n
95
VAL
95
C
MET
96
n
96
MET
96
C
VAL
97
n
97
VAL
97
C
ALA
98
n
98
ALA
98
C
GLY
99
n
99
GLY
99
C
ILE
100
n
100
ILE
100
C
THR
101
n
101
THR
101
C
SER
102
n
102
SER
102
C
PHE
103
n
103
PHE
103
C
GLY
104
n
104
GLY
104
C
LEU
105
n
105
LEU
105
C
VAL
106
n
106
VAL
106
C
THR
107
n
107
THR
107
C
ALA
108
n
108
ALA
108
C
ALA
109
n
109
ALA
109
C
LEU
110
n
110
LEU
110
C
ALA
111
n
111
ALA
111
C
THR
112
n
112
THR
112
C
TRP
113
n
113
TRP
113
C
PHE
114
n
114
PHE
114
C
VAL
115
n
115
VAL
115
C
GLY
116
n
116
GLY
116
C
ARG
117
n
117
ARG
117
C
GLU
118
n
118
GLU
118
C
GLN
119
n
119
GLN
119
C
GLU
120
n
120
GLU
120
C
n
121
121
C
n
122
122
C
n
123
123
C
n
124
124
C
n
125
125
C
n
1
1
D
n
2
2
D
n
3
3
D
n
4
4
D
n
5
5
D
n
6
6
D
n
7
7
D
n
8
8
D
n
9
9
D
n
10
10
D
n
11
11
D
n
12
12
D
n
13
13
D
n
14
14
D
n
15
15
D
n
16
16
D
n
17
17
D
n
18
18
D
n
19
19
D
n
20
20
D
n
21
21
D
n
22
22
D
n
23
23
D
LEU
24
n
24
LEU
24
D
HIS
25
n
25
HIS
25
D
TRP
26
n
26
TRP
26
D
ARG
27
n
27
ARG
27
D
ALA
28
n
28
ALA
28
D
ALA
29
n
29
ALA
29
D
GLY
30
n
30
GLY
30
D
ALA
31
n
31
ALA
31
D
ALA
32
n
32
ALA
32
D
THR
33
n
33
THR
33
D
VAL
34
n
34
VAL
34
D
LEU
35
n
35
LEU
35
D
LEU
36
n
36
LEU
36
D
VAL
37
n
37
VAL
37
D
ILE
38
n
38
ILE
38
D
VAL
39
n
39
VAL
39
D
LEU
40
n
40
LEU
40
D
LEU
41
n
41
LEU
41
D
ALA
42
n
42
ALA
42
D
GLY
43
n
43
GLY
43
D
SER
44
n
44
SER
44
D
TYR
45
n
45
TYR
45
D
LEU
46
n
46
LEU
46
D
ALA
47
n
47
ALA
47
D
VAL
48
n
48
VAL
48
D
LEU
49
n
49
LEU
49
D
ALA
50
n
50
ALA
50
D
GLU
51
n
51
GLU
51
D
ARG
52
n
52
ARG
52
D
GLY
53
n
53
GLY
53
D
ALA
54
n
54
ALA
54
D
PRO
55
n
55
PRO
55
D
GLY
56
n
56
GLY
56
D
ALA
57
n
57
ALA
57
D
GLN
58
n
58
GLN
58
D
LEU
59
n
59
LEU
59
D
ILE
60
n
60
ILE
60
D
THR
61
n
61
THR
61
D
TYR
62
n
62
TYR
62
D
PRO
63
n
63
PRO
63
D
ARG
64
n
64
ARG
64
D
ALA
65
n
65
ALA
65
D
LEU
66
n
66
LEU
66
D
TRP
67
n
67
TRP
67
D
TRP
68
n
68
TRP
68
D
SER
69
n
69
SER
69
D
VAL
70
n
70
VAL
70
D
GLU
71
n
71
GLU
71
D
THR
72
n
72
THR
72
D
ALA
73
n
73
ALA
73
D
THR
74
n
74
THR
74
D
THR
75
n
75
THR
75
D
VAL
76
n
76
VAL
76
D
GLY
77
n
77
GLY
77
D
TYR
78
n
78
TYR
78
D
GLY
79
n
79
GLY
79
D
ASP
80
n
80
ASP
80
D
LEU
81
n
81
LEU
81
D
TYR
82
n
82
TYR
82
D
PRO
83
n
83
PRO
83
D
VAL
84
n
84
VAL
84
D
THR
85
n
85
THR
85
D
LEU
86
n
86
LEU
86
D
TRP
87
n
87
TRP
87
D
GLY
88
n
88
GLY
88
D
ARG
89
n
89
ARG
89
D
CYS
90
n
90
CYS
90
D
VAL
91
n
91
VAL
91
D
ALA
92
n
92
ALA
92
D
VAL
93
n
93
VAL
93
D
VAL
94
n
94
VAL
94
D
VAL
95
n
95
VAL
95
D
MET
96
n
96
MET
96
D
VAL
97
n
97
VAL
97
D
ALA
98
n
98
ALA
98
D
GLY
99
n
99
GLY
99
D
ILE
100
n
100
ILE
100
D
THR
101
n
101
THR
101
D
SER
102
n
102
SER
102
D
PHE
103
n
103
PHE
103
D
GLY
104
n
104
GLY
104
D
LEU
105
n
105
LEU
105
D
VAL
106
n
106
VAL
106
D
THR
107
n
107
THR
107
D
ALA
108
n
108
ALA
108
D
ALA
109
n
109
ALA
109
D
LEU
110
n
110
LEU
110
D
ALA
111
n
111
ALA
111
D
THR
112
n
112
THR
112
D
TRP
113
n
113
TRP
113
D
PHE
114
n
114
PHE
114
D
VAL
115
n
115
VAL
115
D
GLY
116
n
116
GLY
116
D
ARG
117
n
117
ARG
117
D
GLU
118
n
118
GLU
118
D
GLN
119
n
119
GLN
119
D
GLU
120
n
120
GLU
120
D
ARG
121
n
121
ARG
121
D
ARG
122
n
122
ARG
122
D
GLY
123
n
123
GLY
123
D
n
124
124
D
n
125
125
D
author_and_software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
8
octameric
8330
-106
17040
16920
-164
32520
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
A
VAL
76
A
O
VAL
76
1_555
75.2
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
A
RB
128
G
RB
RB
1_555
54.1
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
A
RB
128
G
RB
RB
1_555
114.9
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
70.4
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
75.3
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
52.5
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
B
VAL
76
B
O
VAL
76
1_555
138.7
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
B
VAL
76
B
O
VAL
76
1_555
80.1
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
B
VAL
76
B
O
VAL
76
1_555
111.2
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
B
VAL
76
B
O
VAL
76
1_555
71.6
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
107.0
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
139.3
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
52.9
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
68.0
B
VAL
76
B
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
72.3
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
140.8
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
132.9
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
112.0
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
134.8
B
VAL
76
B
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
79.4
C
THR
75
C
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
70.6
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
69.7
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
141.5
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
53.9
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
106.4
B
VAL
76
B
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
137.8
C
THR
75
C
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
68.5
C
VAL
76
C
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
73.6
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
75.7
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
84.0
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
114.8
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
143.7
B
VAL
76
B
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
134.0
C
THR
75
C
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
136.6
C
VAL
76
C
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
80.8
D
THR
75
D
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
72.6
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
129.9
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
68.1
A
RB
128
G
RB
RB
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
176.0
B
THR
75
B
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
127.6
B
VAL
76
B
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
66.3
C
THR
75
C
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
123.1
C
VAL
76
C
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
64.9
D
THR
75
D
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
125.6
D
VAL
76
D
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
67.6
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
A
THR
75
A
OG1
THR
75
1_555
59.2
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
B
THR
75
B
OG1
THR
75
1_555
99.8
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
B
THR
75
B
OG1
THR
75
1_555
83.4
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
68.8
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
108.1
B
THR
75
B
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
59.8
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
104.5
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
162.0
B
THR
75
B
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
108.4
B
THR
75
B
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
68.8
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
163.3
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
137.3
B
THR
75
B
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
82.0
B
THR
75
B
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
98.6
C
THR
75
C
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
59.6
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
67.6
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
96.2
B
THR
75
B
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
165.0
B
THR
75
B
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
106.5
C
THR
75
C
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
68.8
C
THR
75
C
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
107.6
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
106.2
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
80.6
B
THR
75
B
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
136.2
B
THR
75
B
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
163.6
C
THR
75
C
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
98.5
C
THR
75
C
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
82.7
D
THR
75
D
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
58.0
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
A
TYR
78
A
O
TYR
78
1_555
64.4
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
B
GLY
77
B
O
GLY
77
1_555
74.8
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
B
GLY
77
B
O
GLY
77
1_555
76.2
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
B
TYR
78
B
O
TYR
78
1_555
128.5
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
B
TYR
78
B
O
TYR
78
1_555
74.8
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
B
TYR
78
B
O
TYR
78
1_555
65.8
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
C
GLY
77
C
O
GLY
77
1_555
124.0
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
C
GLY
77
C
O
GLY
77
1_555
149.1
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
C
GLY
77
C
O
GLY
77
1_555
78.0
B
TYR
78
B
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
C
GLY
77
C
O
GLY
77
1_555
79.3
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
151.0
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
123.3
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
133.0
B
TYR
78
B
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
78.3
C
GLY
77
C
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
65.9
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
76.8
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
130.8
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
122.5
B
TYR
78
B
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
153.2
C
GLY
77
C
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
78.1
C
TYR
78
C
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
79.4
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
77.2
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
77.4
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
147.7
B
TYR
78
B
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
123.6
C
GLY
77
C
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
132.1
C
TYR
78
C
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
77.7
D
GLY
77
D
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
65.0
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
61.3
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
117.3
B
GLY
77
B
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
61.7
B
TYR
78
B
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
119.5
C
GLY
77
C
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
62.7
C
TYR
78
C
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
119.4
D
GLY
77
D
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
60.8
D
TYR
78
D
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
116.8
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
2_655
-x+1,y,-z
crystal symmetry operation
129.8000000000
0.0000000000
0.0000000000
1
A
CG
LEU
24
A
CG
LEU
24
1
Y
1
A
CD1
LEU
24
A
CD1
LEU
24
1
Y
1
A
CD2
LEU
24
A
CD2
LEU
24
1
Y
1
A
CG
ARG
27
A
CG
ARG
27
1
Y
1
A
CD
ARG
27
A
CD
ARG
27
1
Y
1
A
NE
ARG
27
A
NE
ARG
27
1
Y
1
A
CZ
ARG
27
A
CZ
ARG
27
1
Y
1
A
NH1
ARG
27
A
NH1
ARG
27
1
Y
1
A
NH2
ARG
27
A
NH2
ARG
27
1
Y
1
A
CG
TYR
62
A
CG
TYR
62
1
Y
1
A
CD1
TYR
62
A
CD1
TYR
62
1
Y
1
A
CD2
TYR
62
A
CD2
TYR
62
1
Y
1
A
CE1
TYR
62
A
CE1
TYR
62
1
Y
1
A
CE2
TYR
62
A
CE2
TYR
62
1
Y
1
A
CZ
TYR
62
A
CZ
TYR
62
1
Y
1
A
OH
TYR
62
A
OH
TYR
62
1
Y
1
A
CG
LEU
86
A
CG
LEU
86
1
Y
1
A
CD1
LEU
86
A
CD1
LEU
86
1
Y
1
A
CD2
LEU
86
A
CD2
LEU
86
1
Y
1
A
CG
ARG
117
A
CG
ARG
117
1
Y
1
A
CD
ARG
117
A
CD
ARG
117
1
Y
1
A
NE
ARG
117
A
NE
ARG
117
1
Y
1
A
CZ
ARG
117
A
CZ
ARG
117
1
Y
1
A
NH1
ARG
117
A
NH1
ARG
117
1
Y
1
A
NH2
ARG
117
A
NH2
ARG
117
1
Y
1
A
CG
GLU
118
A
CG
GLU
118
1
Y
1
A
CD
GLU
118
A
CD
GLU
118
1
Y
1
A
OE1
GLU
118
A
OE1
GLU
118
1
Y
1
A
OE2
GLU
118
A
OE2
GLU
118
1
Y
1
A
CG
GLU
120
A
CG
GLU
120
1
Y
1
A
CD
GLU
120
A
CD
GLU
120
1
Y
1
A
OE1
GLU
120
A
OE1
GLU
120
1
Y
1
A
OE2
GLU
120
A
OE2
GLU
120
1
Y
1
B
CG
LEU
24
B
CG
LEU
24
1
Y
1
B
CD1
LEU
24
B
CD1
LEU
24
1
Y
1
B
CD2
LEU
24
B
CD2
LEU
24
1
Y
1
B
CG
ARG
27
B
CG
ARG
27
1
Y
1
B
CD
ARG
27
B
CD
ARG
27
1
Y
1
B
NE
ARG
27
B
NE
ARG
27
1
Y
1
B
CZ
ARG
27
B
CZ
ARG
27
1
Y
1
B
NH1
ARG
27
B
NH1
ARG
27
1
Y
1
B
NH2
ARG
27
B
NH2
ARG
27
1
Y
1
B
CG
TYR
62
B
CG
TYR
62
1
Y
1
B
CD1
TYR
62
B
CD1
TYR
62
1
Y
1
B
CD2
TYR
62
B
CD2
TYR
62
1
Y
1
B
CE1
TYR
62
B
CE1
TYR
62
1
Y
1
B
CE2
TYR
62
B
CE2
TYR
62
1
Y
1
B
CZ
TYR
62
B
CZ
TYR
62
1
Y
1
B
OH
TYR
62
B
OH
TYR
62
1
Y
1
B
CG
LEU
86
B
CG
LEU
86
1
Y
1
B
CD1
LEU
86
B
CD1
LEU
86
1
Y
1
B
CD2
LEU
86
B
CD2
LEU
86
1
Y
1
B
CG
ARG
117
B
CG
ARG
117
1
Y
1
B
CD
ARG
117
B
CD
ARG
117
1
Y
1
B
NE
ARG
117
B
NE
ARG
117
1
Y
1
B
CZ
ARG
117
B
CZ
ARG
117
1
Y
1
B
NH1
ARG
117
B
NH1
ARG
117
1
Y
1
B
NH2
ARG
117
B
NH2
ARG
117
1
Y
1
B
CG
GLU
118
B
CG
GLU
118
1
Y
1
B
CD
GLU
118
B
CD
GLU
118
1
Y
1
B
OE1
GLU
118
B
OE1
GLU
118
1
Y
1
B
OE2
GLU
118
B
OE2
GLU
118
1
Y
1
B
CG
ARG
121
B
CG
ARG
121
1
Y
1
B
CD
ARG
121
B
CD
ARG
121
1
Y
1
B
NE
ARG
121
B
NE
ARG
121
1
Y
1
B
CZ
ARG
121
B
CZ
ARG
121
1
Y
1
B
NH1
ARG
121
B
NH1
ARG
121
1
Y
1
B
NH2
ARG
121
B
NH2
ARG
121
1
Y
1
B
CG
ARG
122
B
CG
ARG
122
1
Y
1
B
CD
ARG
122
B
CD
ARG
122
1
Y
1
B
NE
ARG
122
B
NE
ARG
122
1
Y
1
B
CZ
ARG
122
B
CZ
ARG
122
1
Y
1
B
NH1
ARG
122
B
NH1
ARG
122
1
Y
1
B
NH2
ARG
122
B
NH2
ARG
122
1
Y
1
C
CG
ARG
27
C
CG
ARG
27
1
Y
1
C
CD
ARG
27
C
CD
ARG
27
1
Y
1
C
NE
ARG
27
C
NE
ARG
27
1
Y
1
C
CZ
ARG
27
C
CZ
ARG
27
1
Y
1
C
NH1
ARG
27
C
NH1
ARG
27
1
Y
1
C
NH2
ARG
27
C
NH2
ARG
27
1
Y
1
C
CG
TYR
62
C
CG
TYR
62
1
Y
1
C
CD1
TYR
62
C
CD1
TYR
62
1
Y
1
C
CD2
TYR
62
C
CD2
TYR
62
1
Y
1
C
CE1
TYR
62
C
CE1
TYR
62
1
Y
1
C
CE2
TYR
62
C
CE2
TYR
62
1
Y
1
C
CZ
TYR
62
C
CZ
TYR
62
1
Y
1
C
OH
TYR
62
C
OH
TYR
62
1
Y
1
C
CG
LEU
86
C
CG
LEU
86
1
Y
1
C
CD1
LEU
86
C
CD1
LEU
86
1
Y
1
C
CD2
LEU
86
C
CD2
LEU
86
1
Y
1
C
CG
ARG
117
C
CG
ARG
117
1
Y
1
C
CD
ARG
117
C
CD
ARG
117
1
Y
1
C
NE
ARG
117
C
NE
ARG
117
1
Y
1
C
CZ
ARG
117
C
CZ
ARG
117
1
Y
1
C
NH1
ARG
117
C
NH1
ARG
117
1
Y
1
C
NH2
ARG
117
C
NH2
ARG
117
1
Y
1
C
CG
GLU
118
C
CG
GLU
118
1
Y
1
C
CD
GLU
118
C
CD
GLU
118
1
Y
1
C
OE1
GLU
118
C
OE1
GLU
118
1
Y
1
C
OE2
GLU
118
C
OE2
GLU
118
1
Y
1
C
CG
GLU
120
C
CG
GLU
120
1
Y
1
C
CD
GLU
120
C
CD
GLU
120
1
Y
1
C
OE1
GLU
120
C
OE1
GLU
120
1
Y
1
C
OE2
GLU
120
C
OE2
GLU
120
1
Y
1
D
CG
ARG
27
D
CG
ARG
27
1
Y
1
D
CD
ARG
27
D
CD
ARG
27
1
Y
1
D
NE
ARG
27
D
NE
ARG
27
1
Y
1
D
CZ
ARG
27
D
CZ
ARG
27
1
Y
1
D
NH1
ARG
27
D
NH1
ARG
27
1
Y
1
D
NH2
ARG
27
D
NH2
ARG
27
1
Y
1
D
CG
TYR
62
D
CG
TYR
62
1
Y
1
D
CD1
TYR
62
D
CD1
TYR
62
1
Y
1
D
CD2
TYR
62
D
CD2
TYR
62
1
Y
1
D
CE1
TYR
62
D
CE1
TYR
62
1
Y
1
D
CE2
TYR
62
D
CE2
TYR
62
1
Y
1
D
CZ
TYR
62
D
CZ
TYR
62
1
Y
1
D
OH
TYR
62
D
OH
TYR
62
1
Y
1
D
CG
LEU
86
D
CG
LEU
86
1
Y
1
D
CD1
LEU
86
D
CD1
LEU
86
1
Y
1
D
CD2
LEU
86
D
CD2
LEU
86
1
Y
1
D
CG
ARG
117
D
CG
ARG
117
1
Y
1
D
CD
ARG
117
D
CD
ARG
117
1
Y
1
D
NE
ARG
117
D
NE
ARG
117
1
Y
1
D
CZ
ARG
117
D
CZ
ARG
117
1
Y
1
D
NH1
ARG
117
D
NH1
ARG
117
1
Y
1
D
NH2
ARG
117
D
NH2
ARG
117
1
Y
1
D
CG
GLU
118
D
CG
GLU
118
1
Y
1
D
CD
GLU
118
D
CD
GLU
118
1
Y
1
D
OE1
GLU
118
D
OE1
GLU
118
1
Y
1
D
OE2
GLU
118
D
OE2
GLU
118
1
Y
1
D
CG
GLU
120
D
CG
GLU
120
1
Y
1
D
CD
GLU
120
D
CD
GLU
120
1
Y
1
D
OE1
GLU
120
D
OE1
GLU
120
1
Y
1
D
OE2
GLU
120
D
OE2
GLU
120
1
Y
1
D
CG
ARG
121
D
CG
ARG
121
1
Y
1
D
CD
ARG
121
D
CD
ARG
121
1
Y
1
D
NE
ARG
121
D
NE
ARG
121
1
Y
1
D
CZ
ARG
121
D
CZ
ARG
121
1
Y
1
D
NH1
ARG
121
D
NH1
ARG
121
1
Y
1
D
NH2
ARG
121
D
NH2
ARG
121
1
Y
1
D
CG
ARG
122
D
CG
ARG
122
1
Y
1
D
CD
ARG
122
D
CD
ARG
122
1
Y
1
D
NE
ARG
122
D
NE
ARG
122
1
Y
1
D
CZ
ARG
122
D
CZ
ARG
122
1
Y
1
D
NH1
ARG
122
D
NH1
ARG
122
1
Y
1
D
NH2
ARG
122
D
NH2
ARG
122
1
Y
1
A
C13
TBA
129
H
C13
TBA
1
1
N
1
A
C14
TBA
129
H
C14
TBA
1
1
N
1
A
C23
TBA
129
H
C23
TBA
1
1
N
1
A
C24
TBA
129
H
C24
TBA
1
1
N
1
A
C33
TBA
129
H
C33
TBA
1
1
N
1
A
C34
TBA
129
H
C34
TBA
1
1
N
1
A
C43
TBA
129
H
C43
TBA
1
1
N
1
A
C44
TBA
129
H
C44
TBA
1
1
N
1
A
MET
1
A
MET
1
1
Y
1
A
ALA
2
A
ALA
2
1
Y
1
A
PRO
3
A
PRO
3
1
Y
1
A
MET
4
A
MET
4
1
Y
1
A
LEU
5
A
LEU
5
1
Y
1
A
SER
6
A
SER
6
1
Y
1
A
GLY
7
A
GLY
7
1
Y
1
A
LEU
8
A
LEU
8
1
Y
1
A
LEU
9
A
LEU
9
1
Y
1
A
ALA
10
A
ALA
10
1
Y
1
A
ARG
11
A
ARG
11
1
Y
1
A
LEU
12
A
LEU
12
1
Y
1
A
VAL
13
A
VAL
13
1
Y
1
A
LYS
14
A
LYS
14
1
Y
1
A
LEU
15
A
LEU
15
1
Y
1
A
LEU
16
A
LEU
16
1
Y
1
A
LEU
17
A
LEU
17
1
Y
1
A
GLY
18
A
GLY
18
1
Y
1
A
ARG
19
A
ARG
19
1
Y
1
A
HIS
20
A
HIS
20
1
Y
1
A
GLY
21
A
GLY
21
1
Y
1
A
SER
22
A
SER
22
1
Y
1
A
ALA
23
A
ALA
23
1
Y
1
A
ARG
121
A
ARG
121
1
Y
1
A
ARG
122
A
ARG
122
1
Y
1
A
GLY
123
A
GLY
123
1
Y
1
A
HIS
124
A
HIS
124
1
Y
1
A
PHE
125
A
PHE
125
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
ALA
2
B
ALA
2
1
Y
1
B
PRO
3
B
PRO
3
1
Y
1
B
MET
4
B
MET
4
1
Y
1
B
LEU
5
B
LEU
5
1
Y
1
B
SER
6
B
SER
6
1
Y
1
B
GLY
7
B
GLY
7
1
Y
1
B
LEU
8
B
LEU
8
1
Y
1
B
LEU
9
B
LEU
9
1
Y
1
B
ALA
10
B
ALA
10
1
Y
1
B
ARG
11
B
ARG
11
1
Y
1
B
LEU
12
B
LEU
12
1
Y
1
B
VAL
13
B
VAL
13
1
Y
1
B
LYS
14
B
LYS
14
1
Y
1
B
LEU
15
B
LEU
15
1
Y
1
B
LEU
16
B
LEU
16
1
Y
1
B
LEU
17
B
LEU
17
1
Y
1
B
GLY
18
B
GLY
18
1
Y
1
B
ARG
19
B
ARG
19
1
Y
1
B
HIS
20
B
HIS
20
1
Y
1
B
GLY
21
B
GLY
21
1
Y
1
B
SER
22
B
SER
22
1
Y
1
B
ALA
23
B
ALA
23
1
Y
1
B
HIS
124
B
HIS
124
1
Y
1
B
PHE
125
B
PHE
125
1
Y
1
C
MET
1
C
MET
1
1
Y
1
C
ALA
2
C
ALA
2
1
Y
1
C
PRO
3
C
PRO
3
1
Y
1
C
MET
4
C
MET
4
1
Y
1
C
LEU
5
C
LEU
5
1
Y
1
C
SER
6
C
SER
6
1
Y
1
C
GLY
7
C
GLY
7
1
Y
1
C
LEU
8
C
LEU
8
1
Y
1
C
LEU
9
C
LEU
9
1
Y
1
C
ALA
10
C
ALA
10
1
Y
1
C
ARG
11
C
ARG
11
1
Y
1
C
LEU
12
C
LEU
12
1
Y
1
C
VAL
13
C
VAL
13
1
Y
1
C
LYS
14
C
LYS
14
1
Y
1
C
LEU
15
C
LEU
15
1
Y
1
C
LEU
16
C
LEU
16
1
Y
1
C
LEU
17
C
LEU
17
1
Y
1
C
GLY
18
C
GLY
18
1
Y
1
C
ARG
19
C
ARG
19
1
Y
1
C
HIS
20
C
HIS
20
1
Y
1
C
GLY
21
C
GLY
21
1
Y
1
C
SER
22
C
SER
22
1
Y
1
C
ALA
23
C
ALA
23
1
Y
1
C
ARG
121
C
ARG
121
1
Y
1
C
ARG
122
C
ARG
122
1
Y
1
C
GLY
123
C
GLY
123
1
Y
1
C
HIS
124
C
HIS
124
1
Y
1
C
PHE
125
C
PHE
125
1
Y
1
D
MET
1
D
MET
1
1
Y
1
D
ALA
2
D
ALA
2
1
Y
1
D
PRO
3
D
PRO
3
1
Y
1
D
MET
4
D
MET
4
1
Y
1
D
LEU
5
D
LEU
5
1
Y
1
D
SER
6
D
SER
6
1
Y
1
D
GLY
7
D
GLY
7
1
Y
1
D
LEU
8
D
LEU
8
1
Y
1
D
LEU
9
D
LEU
9
1
Y
1
D
ALA
10
D
ALA
10
1
Y
1
D
ARG
11
D
ARG
11
1
Y
1
D
LEU
12
D
LEU
12
1
Y
1
D
VAL
13
D
VAL
13
1
Y
1
D
LYS
14
D
LYS
14
1
Y
1
D
LEU
15
D
LEU
15
1
Y
1
D
LEU
16
D
LEU
16
1
Y
1
D
LEU
17
D
LEU
17
1
Y
1
D
GLY
18
D
GLY
18
1
Y
1
D
ARG
19
D
ARG
19
1
Y
1
D
HIS
20
D
HIS
20
1
Y
1
D
GLY
21
D
GLY
21
1
Y
1
D
SER
22
D
SER
22
1
Y
1
D
ALA
23
D
ALA
23
1
Y
1
D
HIS
124
D
HIS
124
1
Y
1
D
PHE
125
D
PHE
125
1
Y
1
A
SER
44
-51.86
-73.27
1
A
GLU
51
-103.81
-62.25
1
A
ARG
52
-25.99
126.99
1
A
THR
75
56.91
19.18
1
B
SER
44
-51.95
-73.71
1
B
GLU
51
-103.82
-62.07
1
B
ARG
52
-26.15
126.88
1
B
THR
75
56.96
19.26
1
C
SER
44
-51.49
-73.41
1
C
GLU
51
-103.65
-62.32
1
C
ARG
52
-25.92
126.89
1
C
THR
75
56.47
19.50
1
D
SER
44
-51.97
-73.52
1
D
GLU
51
-103.71
-61.96
1
D
ARG
52
-26.21
126.82
1
D
THR
75
56.77
19.23
1
D
ALA
92
-64.31
-70.10
1
D
ARG
121
-135.37
-43.59
0.3021000
0.2810000
0.2900000
0.2900000
2.8
30.0
1485
20254
14477
10
thin shells
1
isotropic
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
PDB Entry 1BL8
Engh & Huber
2.8
30.0
1
2835
12
0
2822
1.39362
0.0099
2.7
50
1JVM
22300
14799
1.0
1.0
0.0480000
1
21
2.5
0.664
0.0880000
2.7
2.8
0.167
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND RUBIDIUM
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
3
N
N
4
N
N
A
HIS
25
A
HIS
25
HELX_P
A
ARG
52
A
ARG
52
1
1
28
A
THR
61
A
THR
61
HELX_P
A
THR
74
A
THR
74
1
2
14
A
TRP
87
A
TRP
87
HELX_P
A
VAL
115
A
VAL
115
1
3
29
B
HIS
25
B
HIS
25
HELX_P
B
ARG
52
B
ARG
52
1
4
28
B
THR
61
B
THR
61
HELX_P
B
THR
74
B
THR
74
1
5
14
B
TRP
87
B
TRP
87
HELX_P
B
VAL
115
B
VAL
115
1
6
29
C
HIS
25
C
HIS
25
HELX_P
C
ARG
52
C
ARG
52
1
7
28
C
THR
61
C
THR
61
HELX_P
C
THR
74
C
THR
74
1
8
14
C
TRP
87
C
TRP
87
HELX_P
C
VAL
115
C
VAL
115
1
9
29
D
HIS
25
D
HIS
25
HELX_P
D
ARG
52
D
ARG
52
1
10
28
D
THR
61
D
THR
61
HELX_P
D
THR
74
D
THR
74
1
11
14
D
TRP
87
D
TRP
87
HELX_P
D
VAL
115
D
VAL
115
1
12
29
metalc
2.868
A
THR
75
A
O
THR
75
1_555
A
RB
127
F
RB
RB
1_555
metalc
3.011
A
THR
75
A
O
THR
75
1_555
A
RB
128
G
RB
RB
1_555
metalc
3.000
A
THR
75
A
OG1
THR
75
1_555
A
RB
128
G
RB
RB
1_555
metalc
2.959
A
VAL
76
A
O
VAL
76
1_555
A
RB
127
F
RB
RB
1_555
metalc
2.948
A
GLY
77
A
O
GLY
77
1_555
A
RB
126
E
RB
RB
1_555
metalc
3.360
A
TYR
78
A
O
TYR
78
1_555
A
RB
126
E
RB
RB
1_555
metalc
2.962
A
RB
126
E
RB
RB
1_555
B
GLY
77
B
O
GLY
77
1_555
metalc
3.271
A
RB
126
E
RB
RB
1_555
B
TYR
78
B
O
TYR
78
1_555
metalc
2.898
A
RB
126
E
RB
RB
1_555
C
GLY
77
C
O
GLY
77
1_555
metalc
3.312
A
RB
126
E
RB
RB
1_555
C
TYR
78
C
O
TYR
78
1_555
metalc
2.951
A
RB
126
E
RB
RB
1_555
D
GLY
77
D
O
GLY
77
1_555
metalc
3.315
A
RB
126
E
RB
RB
1_555
D
TYR
78
D
O
TYR
78
1_555
metalc
2.743
A
RB
126
E
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
metalc
3.596
A
RB
127
F
RB
RB
1_555
A
RB
128
G
RB
RB
1_555
metalc
2.990
A
RB
127
F
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
metalc
3.059
A
RB
127
F
RB
RB
1_555
B
VAL
76
B
O
VAL
76
1_555
metalc
3.041
A
RB
127
F
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
metalc
3.094
A
RB
127
F
RB
RB
1_555
C
VAL
76
C
O
VAL
76
1_555
metalc
3.020
A
RB
127
F
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
metalc
2.981
A
RB
127
F
RB
RB
1_555
D
VAL
76
D
O
VAL
76
1_555
metalc
2.706
A
RB
127
F
RB
RB
1_555
D
HOH
806
I
O
HOH
1_555
metalc
2.972
A
RB
128
G
RB
RB
1_555
B
THR
75
B
OG1
THR
75
1_555
metalc
2.966
A
RB
128
G
RB
RB
1_555
B
THR
75
B
O
THR
75
1_555
metalc
3.000
A
RB
128
G
RB
RB
1_555
C
THR
75
C
O
THR
75
1_555
metalc
2.967
A
RB
128
G
RB
RB
1_555
C
THR
75
C
OG1
THR
75
1_555
metalc
3.041
A
RB
128
G
RB
RB
1_555
D
THR
75
D
O
THR
75
1_555
metalc
3.074
A
RB
128
G
RB
RB
1_555
D
THR
75
D
OG1
THR
75
1_555
MEMBRANE PROTEIN
MEMBRANE PROTEIN, POTASSIUM CHANNEL, METAL TRANSPORT
KCSA_STRLI
UNP
1
1
P0A334
MPPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGD
LYPVTLWGRLVAVVVMVAGITSFGLVTAALATWFVGREQERRGHFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR
1
125
1JVM
1
125
P0A334
A
1
1
125
1
125
1JVM
1
125
P0A334
B
1
1
125
1
125
1JVM
1
125
P0A334
C
1
1
125
1
125
1JVM
1
125
P0A334
D
1
1
125
1
PRO
engineered mutation
ALA
2
1JVM
A
P0A334
UNP
2
2
1
LEU
engineered mutation
CYS
90
1JVM
A
P0A334
UNP
90
90
2
PRO
engineered mutation
ALA
2
1JVM
B
P0A334
UNP
2
2
2
LEU
engineered mutation
CYS
90
1JVM
B
P0A334
UNP
90
90
3
PRO
engineered mutation
ALA
2
1JVM
C
P0A334
UNP
2
2
3
LEU
engineered mutation
CYS
90
1JVM
C
P0A334
UNP
90
90
4
PRO
engineered mutation
ALA
2
1JVM
D
P0A334
UNP
2
2
4
LEU
engineered mutation
CYS
90
1JVM
D
P0A334
UNP
90
90
BINDING SITE FOR RESIDUE RB A 126
A
RB
126
Software
9
BINDING SITE FOR RESIDUE RB A 127
A
RB
127
Software
10
BINDING SITE FOR RESIDUE RB A 128
A
RB
128
Software
5
BINDING SITE FOR RESIDUE TBA A 129
A
TBA
129
Software
1
A
GLY
77
A
GLY
77
9
1_555
A
TYR
78
A
TYR
78
9
1_555
B
GLY
77
B
GLY
77
9
1_555
B
TYR
78
B
TYR
78
9
1_555
C
GLY
77
C
GLY
77
9
1_555
C
TYR
78
C
TYR
78
9
1_555
D
GLY
77
D
GLY
77
9
1_555
D
TYR
78
D
TYR
78
9
1_555
D
HOH
806
I
HOH
9
1_555
A
THR
75
A
THR
75
10
1_555
A
VAL
76
A
VAL
76
10
1_555
A
RB
128
G
RB
10
1_555
B
THR
75
B
THR
75
10
1_555
B
VAL
76
B
VAL
76
10
1_555
C
THR
75
C
THR
75
10
1_555
C
VAL
76
C
VAL
76
10
1_555
D
THR
75
D
THR
75
10
1_555
D
VAL
76
D
VAL
76
10
1_555
D
HOH
806
I
HOH
10
1_555
A
THR
75
A
THR
75
5
1_555
A
RB
127
F
RB
5
1_555
B
THR
75
B
THR
75
5
1_555
C
THR
75
C
THR
75
5
1_555
D
THR
75
D
THR
75
5
1_555
A
ILE
100
A
ILE
100
1
1_555
5
C 1 2 1