0.015265
0.000000
0.000000
0.000000
0.015265
0.000000
0.000000
0.000000
0.009071
0.00000
0.00000
0.00000
Jiang, Y.
Pico, A.
Cadene, M.
Chait, B.T.
MacKinnon, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90
90
90
65.51
65.51
110.24
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
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
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
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
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
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
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
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
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
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
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
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
H
N
156
N
H
N
157
N
H
N
158
N
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
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
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
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
H
N
221
N
H
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
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
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
C
N
279
N
C
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
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
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
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
310
N
C
N
311
N
O
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
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
N
326
N
C
N
327
N
C
N
328
N
O
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
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
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
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
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
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
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
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
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
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
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
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
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
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
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
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
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
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
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
doub
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
doub
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
US
Neuron
NERNET
2038
0896-6273
29
593
601
10.1016/S0896-6273(01)00236-7
11301020
Structure of the RCK domain from the E. coli K+ channel and demonstration of its presence in the human BK channel.
2001
10.2210/pdb1id1/pdb
pdb_00001id1
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
CCD
1999-05-01
BRANDEIS
SINGLE WAVELENGTH
M
x-ray
1
1.1
1.0
X25
NSLS
1.1
SYNCHROTRON
NSLS BEAMLINE X25
16746.068
PUTATIVE POTASSIUM CHANNEL PROTEIN
C-TERMINAL DOMAIN, RESIDUES 241-393
2
man
polymer
18.015
water
57
nat
water
no
no
HRKDHFIVCGHSILAINTILQLNQRGQNVTVISNLPEDDIKQLEQRLGDNADVIPGDSNDSSVLKKAGIDRCRAILALSD
NDADNAFVVLSAKDMSSDVKTVLAVSDSKNLNKIKMVHPDIILSPQLFGSEILARVLNGEEINNDMLVSMLLN
HRKDHFIVCGHSILAINTILQLNQRGQNVTVISNLPEDDIKQLEQRLGDNADVIPGDSNDSSVLKKAGIDRCRAILALSD
NDADNAFVVLSAKDMSSDVKTVLAVSDSKNLNKIKMVHPDIILSPQLFGSEILARVLNGEEINNDMLVSMLLN
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
Escherichia
Escherichia
Escherichia coli
sample
562
Escherichia coli
469008
Escherichia coli BL21(DE3)
BL21DE3
PLASMID
PET21B(+)
1
3.53
65.16
VAPOR DIFFUSION, SITTING DROP
8.0
PEG 4000, sodium chloride, tris, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
293
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
1
0
2001-04-11
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
RCSB
Y
RCSB
2001-04-02
REL
REL
HOH
water
TIP
3
2
HOH
HOH
156
A
TIP
6
2
HOH
HOH
157
A
TIP
8
2
HOH
HOH
158
A
TIP
9
2
HOH
HOH
159
A
TIP
14
2
HOH
HOH
160
A
TIP
17
2
HOH
HOH
161
A
TIP
18
2
HOH
HOH
162
A
TIP
20
2
HOH
HOH
163
A
TIP
21
2
HOH
HOH
164
A
TIP
23
2
HOH
HOH
165
A
TIP
26
2
HOH
HOH
166
A
TIP
27
2
HOH
HOH
167
A
TIP
30
2
HOH
HOH
168
A
TIP
31
2
HOH
HOH
169
A
TIP
33
2
HOH
HOH
170
A
TIP
34
2
HOH
HOH
171
A
TIP
36
2
HOH
HOH
172
A
TIP
37
2
HOH
HOH
173
A
TIP
43
2
HOH
HOH
174
A
TIP
45
2
HOH
HOH
175
A
TIP
46
2
HOH
HOH
176
A
TIP
47
2
HOH
HOH
177
A
TIP
48
2
HOH
HOH
178
A
TIP
51
2
HOH
HOH
179
A
TIP
54
2
HOH
HOH
180
A
TIP
55
2
HOH
HOH
181
A
TIP
56
2
HOH
HOH
182
A
TIP
57
2
HOH
HOH
183
A
TIP
1
2
HOH
HOH
156
B
TIP
2
2
HOH
HOH
157
B
TIP
4
2
HOH
HOH
158
B
TIP
5
2
HOH
HOH
159
B
TIP
7
2
HOH
HOH
160
B
TIP
10
2
HOH
HOH
161
B
TIP
11
2
HOH
HOH
162
B
TIP
12
2
HOH
HOH
163
B
TIP
13
2
HOH
HOH
164
B
TIP
15
2
HOH
HOH
165
B
TIP
16
2
HOH
HOH
166
B
TIP
19
2
HOH
HOH
167
B
TIP
22
2
HOH
HOH
168
B
TIP
24
2
HOH
HOH
169
B
TIP
25
2
HOH
HOH
170
B
TIP
28
2
HOH
HOH
171
B
TIP
29
2
HOH
HOH
172
B
TIP
32
2
HOH
HOH
173
B
TIP
35
2
HOH
HOH
174
B
TIP
38
2
HOH
HOH
175
B
TIP
39
2
HOH
HOH
176
B
TIP
40
2
HOH
HOH
177
B
TIP
41
2
HOH
HOH
178
B
TIP
42
2
HOH
HOH
179
B
TIP
44
2
HOH
HOH
180
B
TIP
49
2
HOH
HOH
181
B
TIP
50
2
HOH
HOH
182
B
TIP
52
2
HOH
HOH
183
B
TIP
53
2
HOH
HOH
184
B
HIS
3
n
1
HIS
3
A
ARG
4
n
2
ARG
4
A
ALA
5
n
3
LYS
5
A
ASP
6
n
4
ASP
6
A
HIS
7
n
5
HIS
7
A
PHE
8
n
6
PHE
8
A
ILE
9
n
7
ILE
9
A
VAL
10
n
8
VAL
10
A
CYS
11
n
9
CYS
11
A
GLY
12
n
10
GLY
12
A
HIS
13
n
11
HIS
13
A
SER
14
n
12
SER
14
A
ILE
15
n
13
ILE
15
A
LEU
16
n
14
LEU
16
A
ALA
17
n
15
ALA
17
A
ILE
18
n
16
ILE
18
A
ASN
19
n
17
ASN
19
A
THR
20
n
18
THR
20
A
ILE
21
n
19
ILE
21
A
LEU
22
n
20
LEU
22
A
GLN
23
n
21
GLN
23
A
LEU
24
n
22
LEU
24
A
ASN
25
n
23
ASN
25
A
GLN
26
n
24
GLN
26
A
ARG
27
n
25
ARG
27
A
GLY
28
n
26
GLY
28
A
GLN
29
n
27
GLN
29
A
ASN
30
n
28
ASN
30
A
VAL
31
n
29
VAL
31
A
THR
32
n
30
THR
32
A
VAL
33
n
31
VAL
33
A
ILE
34
n
32
ILE
34
A
SER
35
n
33
SER
35
A
ASN
36
n
34
ASN
36
A
LEU
37
n
35
LEU
37
A
PRO
38
n
36
PRO
38
A
ALA
39
n
37
GLU
39
A
ALA
40
n
38
ASP
40
A
ASP
41
n
39
ASP
41
A
ILE
42
n
40
ILE
42
A
ALA
43
n
41
LYS
43
A
ALA
44
n
42
GLN
44
A
LEU
45
n
43
LEU
45
A
GLU
46
n
44
GLU
46
A
ALA
47
n
45
GLN
47
A
ARG
48
n
46
ARG
48
A
LEU
49
n
47
LEU
49
A
GLY
50
n
48
GLY
50
A
ALA
51
n
49
ASP
51
A
ALA
52
n
50
ASN
52
A
ALA
53
n
51
ALA
53
A
ASP
54
n
52
ASP
54
A
VAL
55
n
53
VAL
55
A
ILE
56
n
54
ILE
56
A
PRO
57
n
55
PRO
57
A
GLY
58
n
56
GLY
58
A
ASP
59
n
57
ASP
59
A
SER
60
n
58
SER
60
A
ASN
61
n
59
ASN
61
A
ASP
62
n
60
ASP
62
A
SER
63
n
61
SER
63
A
SER
64
n
62
SER
64
A
VAL
65
n
63
VAL
65
A
LEU
66
n
64
LEU
66
A
LYS
67
n
65
LYS
67
A
LYS
68
n
66
LYS
68
A
ALA
69
n
67
ALA
69
A
GLY
70
n
68
GLY
70
A
ILE
71
n
69
ILE
71
A
ASP
72
n
70
ASP
72
A
ARG
73
n
71
ARG
73
A
CYS
74
n
72
CYS
74
A
ARG
75
n
73
ARG
75
A
ALA
76
n
74
ALA
76
A
ILE
77
n
75
ILE
77
A
LEU
78
n
76
LEU
78
A
ALA
79
n
77
ALA
79
A
LEU
80
n
78
LEU
80
A
SER
81
n
79
SER
81
A
ASP
82
n
80
ASP
82
A
ASN
83
n
81
ASN
83
A
ASP
84
n
82
ASP
84
A
ALA
85
n
83
ALA
85
A
ASP
86
n
84
ASP
86
A
ASN
87
n
85
ASN
87
A
ALA
88
n
86
ALA
88
A
PHE
89
n
87
PHE
89
A
VAL
90
n
88
VAL
90
A
VAL
91
n
89
VAL
91
A
LEU
92
n
90
LEU
92
A
SER
93
n
91
SER
93
A
ALA
94
n
92
ALA
94
A
LYS
95
n
93
LYS
95
A
ASP
96
n
94
ASP
96
A
MET
97
n
95
MET
97
A
SER
98
n
96
SER
98
A
SER
99
n
97
SER
99
A
ASP
100
n
98
ASP
100
A
VAL
101
n
99
VAL
101
A
LYS
102
n
100
LYS
102
A
THR
103
n
101
THR
103
A
VAL
104
n
102
VAL
104
A
LEU
105
n
103
LEU
105
A
ALA
106
n
104
ALA
106
A
VAL
107
n
105
VAL
107
A
SER
108
n
106
SER
108
A
ASP
109
n
107
ASP
109
A
SER
110
n
108
SER
110
A
LYS
111
n
109
LYS
111
A
ASN
112
n
110
ASN
112
A
LEU
113
n
111
LEU
113
A
ASN
114
n
112
ASN
114
A
LYS
115
n
113
LYS
115
A
ILE
116
n
114
ILE
116
A
LYS
117
n
115
LYS
117
A
MET
118
n
116
MET
118
A
VAL
119
n
117
VAL
119
A
HIS
120
n
118
HIS
120
A
PRO
121
n
119
PRO
121
A
ASP
122
n
120
ASP
122
A
ILE
123
n
121
ILE
123
A
ILE
124
n
122
ILE
124
A
LEU
125
n
123
LEU
125
A
SER
126
n
124
SER
126
A
PRO
127
n
125
PRO
127
A
GLN
128
n
126
GLN
128
A
LEU
129
n
127
LEU
129
A
PHE
130
n
128
PHE
130
A
GLY
131
n
129
GLY
131
A
SER
132
n
130
SER
132
A
GLU
133
n
131
GLU
133
A
ILE
134
n
132
ILE
134
A
LEU
135
n
133
LEU
135
A
ALA
136
n
134
ALA
136
A
ARG
137
n
135
ARG
137
A
VAL
138
n
136
VAL
138
A
LEU
139
n
137
LEU
139
A
ASN
140
n
138
ASN
140
A
GLY
141
n
139
GLY
141
A
GLU
142
n
140
GLU
142
A
GLU
143
n
141
GLU
143
A
ILE
144
n
142
ILE
144
A
ASN
145
n
143
ASN
145
A
ASN
146
n
144
ASN
146
A
ASP
147
n
145
ASP
147
A
MET
148
n
146
MET
148
A
LEU
149
n
147
LEU
149
A
VAL
150
n
148
VAL
150
A
SER
151
n
149
SER
151
A
MET
152
n
150
MET
152
A
LEU
153
n
151
LEU
153
A
LEU
154
n
152
LEU
154
A
ASN
155
n
153
ASN
155
A
n
1
3
B
ARG
4
n
2
ARG
4
B
ALA
5
n
3
LYS
5
B
ALA
6
n
4
ASP
6
B
HIS
7
n
5
HIS
7
B
PHE
8
n
6
PHE
8
B
ILE
9
n
7
ILE
9
B
VAL
10
n
8
VAL
10
B
CYS
11
n
9
CYS
11
B
GLY
12
n
10
GLY
12
B
HIS
13
n
11
HIS
13
B
SER
14
n
12
SER
14
B
ILE
15
n
13
ILE
15
B
LEU
16
n
14
LEU
16
B
ALA
17
n
15
ALA
17
B
ILE
18
n
16
ILE
18
B
ASN
19
n
17
ASN
19
B
THR
20
n
18
THR
20
B
ILE
21
n
19
ILE
21
B
LEU
22
n
20
LEU
22
B
GLN
23
n
21
GLN
23
B
LEU
24
n
22
LEU
24
B
ASN
25
n
23
ASN
25
B
GLN
26
n
24
GLN
26
B
ARG
27
n
25
ARG
27
B
GLY
28
n
26
GLY
28
B
GLN
29
n
27
GLN
29
B
ASN
30
n
28
ASN
30
B
VAL
31
n
29
VAL
31
B
THR
32
n
30
THR
32
B
VAL
33
n
31
VAL
33
B
ILE
34
n
32
ILE
34
B
SER
35
n
33
SER
35
B
ASN
36
n
34
ASN
36
B
LEU
37
n
35
LEU
37
B
PRO
38
n
36
PRO
38
B
ALA
39
n
37
GLU
39
B
ALA
40
n
38
ASP
40
B
ASP
41
n
39
ASP
41
B
ILE
42
n
40
ILE
42
B
ALA
43
n
41
LYS
43
B
ALA
44
n
42
GLN
44
B
LEU
45
n
43
LEU
45
B
GLU
46
n
44
GLU
46
B
ALA
47
n
45
GLN
47
B
ALA
48
n
46
ARG
48
B
LEU
49
n
47
LEU
49
B
GLY
50
n
48
GLY
50
B
ALA
51
n
49
ASP
51
B
ALA
52
n
50
ASN
52
B
ALA
53
n
51
ALA
53
B
ASP
54
n
52
ASP
54
B
VAL
55
n
53
VAL
55
B
ILE
56
n
54
ILE
56
B
PRO
57
n
55
PRO
57
B
GLY
58
n
56
GLY
58
B
ASP
59
n
57
ASP
59
B
SER
60
n
58
SER
60
B
ASN
61
n
59
ASN
61
B
ASP
62
n
60
ASP
62
B
SER
63
n
61
SER
63
B
SER
64
n
62
SER
64
B
VAL
65
n
63
VAL
65
B
LEU
66
n
64
LEU
66
B
LYS
67
n
65
LYS
67
B
LYS
68
n
66
LYS
68
B
ALA
69
n
67
ALA
69
B
GLY
70
n
68
GLY
70
B
ILE
71
n
69
ILE
71
B
ASP
72
n
70
ASP
72
B
ARG
73
n
71
ARG
73
B
CYS
74
n
72
CYS
74
B
ARG
75
n
73
ARG
75
B
ALA
76
n
74
ALA
76
B
ILE
77
n
75
ILE
77
B
LEU
78
n
76
LEU
78
B
ALA
79
n
77
ALA
79
B
LEU
80
n
78
LEU
80
B
SER
81
n
79
SER
81
B
ASP
82
n
80
ASP
82
B
ASN
83
n
81
ASN
83
B
ASP
84
n
82
ASP
84
B
ALA
85
n
83
ALA
85
B
ASP
86
n
84
ASP
86
B
ASN
87
n
85
ASN
87
B
ALA
88
n
86
ALA
88
B
PHE
89
n
87
PHE
89
B
VAL
90
n
88
VAL
90
B
VAL
91
n
89
VAL
91
B
LEU
92
n
90
LEU
92
B
SER
93
n
91
SER
93
B
ALA
94
n
92
ALA
94
B
LYS
95
n
93
LYS
95
B
ASP
96
n
94
ASP
96
B
MET
97
n
95
MET
97
B
SER
98
n
96
SER
98
B
SER
99
n
97
SER
99
B
ASP
100
n
98
ASP
100
B
VAL
101
n
99
VAL
101
B
LYS
102
n
100
LYS
102
B
THR
103
n
101
THR
103
B
VAL
104
n
102
VAL
104
B
LEU
105
n
103
LEU
105
B
ALA
106
n
104
ALA
106
B
VAL
107
n
105
VAL
107
B
SER
108
n
106
SER
108
B
ASP
109
n
107
ASP
109
B
SER
110
n
108
SER
110
B
LYS
111
n
109
LYS
111
B
ASN
112
n
110
ASN
112
B
LEU
113
n
111
LEU
113
B
ASN
114
n
112
ASN
114
B
LYS
115
n
113
LYS
115
B
ILE
116
n
114
ILE
116
B
LYS
117
n
115
LYS
117
B
MET
118
n
116
MET
118
B
VAL
119
n
117
VAL
119
B
HIS
120
n
118
HIS
120
B
PRO
121
n
119
PRO
121
B
ASP
122
n
120
ASP
122
B
ILE
123
n
121
ILE
123
B
ILE
124
n
122
ILE
124
B
LEU
125
n
123
LEU
125
B
SER
126
n
124
SER
126
B
PRO
127
n
125
PRO
127
B
GLN
128
n
126
GLN
128
B
LEU
129
n
127
LEU
129
B
PHE
130
n
128
PHE
130
B
GLY
131
n
129
GLY
131
B
SER
132
n
130
SER
132
B
GLU
133
n
131
GLU
133
B
ILE
134
n
132
ILE
134
B
LEU
135
n
133
LEU
135
B
ALA
136
n
134
ALA
136
B
ARG
137
n
135
ARG
137
B
VAL
138
n
136
VAL
138
B
LEU
139
n
137
LEU
139
B
ASN
140
n
138
ASN
140
B
GLY
141
n
139
GLY
141
B
GLU
142
n
140
GLU
142
B
GLU
143
n
141
GLU
143
B
ILE
144
n
142
ILE
144
B
ASN
145
n
143
ASN
145
B
ASN
146
n
144
ASN
146
B
ASP
147
n
145
ASP
147
B
MET
148
n
146
MET
148
B
LEU
149
n
147
LEU
149
B
VAL
150
n
148
VAL
150
B
SER
151
n
149
SER
151
B
MET
152
n
150
MET
152
B
LEU
153
n
151
LEU
153
B
LEU
154
n
152
LEU
154
B
ASN
155
n
153
ASN
155
B
author_and_software_defined_assembly
PISA
2
dimeric
3430
-26
13470
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
ASP
54
A
N
ASP
52
A
O
VAL
31
A
O
VAL
29
A
N
THR
32
A
N
THR
30
A
O
PHE
8
A
O
PHE
6
A
N
ILE
9
A
N
ILE
7
A
O
ALA
76
A
O
ALA
74
A
N
ALA
79
A
N
ALA
77
A
O
VAL
104
A
O
VAL
102
A
N
LEU
105
A
N
LEU
103
A
O
ILE
123
A
O
ILE
121
B
N
ASP
54
B
N
ASP
52
B
O
VAL
31
B
O
VAL
29
B
N
THR
32
B
N
THR
30
B
O
PHE
8
B
O
PHE
6
B
O
HIS
7
B
O
HIS
5
B
N
ARG
75
B
N
ARG
73
B
N
ALA
79
B
N
ALA
77
B
O
VAL
104
B
O
VAL
102
B
N
LEU
105
B
N
LEU
103
B
O
ILE
123
B
O
ILE
121
1
A
CG
LYS
5
A
CG
LYS
3
1
Y
1
A
CD
LYS
5
A
CD
LYS
3
1
Y
1
A
CE
LYS
5
A
CE
LYS
3
1
Y
1
A
NZ
LYS
5
A
NZ
LYS
3
1
Y
1
A
CG
GLU
39
A
CG
GLU
37
1
Y
1
A
CD
GLU
39
A
CD
GLU
37
1
Y
1
A
OE1
GLU
39
A
OE1
GLU
37
1
Y
1
A
OE2
GLU
39
A
OE2
GLU
37
1
Y
1
A
CG
ASP
40
A
CG
ASP
38
1
Y
1
A
OD1
ASP
40
A
OD1
ASP
38
1
Y
1
A
OD2
ASP
40
A
OD2
ASP
38
1
Y
1
A
CG
LYS
43
A
CG
LYS
41
1
Y
1
A
CD
LYS
43
A
CD
LYS
41
1
Y
1
A
CE
LYS
43
A
CE
LYS
41
1
Y
1
A
NZ
LYS
43
A
NZ
LYS
41
1
Y
1
A
CG
GLN
44
A
CG
GLN
42
1
Y
1
A
CD
GLN
44
A
CD
GLN
42
1
Y
1
A
OE1
GLN
44
A
OE1
GLN
42
1
Y
1
A
NE2
GLN
44
A
NE2
GLN
42
1
Y
1
A
CG
GLN
47
A
CG
GLN
45
1
Y
1
A
CD
GLN
47
A
CD
GLN
45
1
Y
1
A
OE1
GLN
47
A
OE1
GLN
45
1
Y
1
A
NE2
GLN
47
A
NE2
GLN
45
1
Y
1
A
CG
ASP
51
A
CG
ASP
49
1
Y
1
A
OD1
ASP
51
A
OD1
ASP
49
1
Y
1
A
OD2
ASP
51
A
OD2
ASP
49
1
Y
1
A
CG
ASN
52
A
CG
ASN
50
1
Y
1
A
OD1
ASN
52
A
OD1
ASN
50
1
Y
1
A
ND2
ASN
52
A
ND2
ASN
50
1
Y
1
B
CG
LYS
5
B
CG
LYS
3
1
Y
1
B
CD
LYS
5
B
CD
LYS
3
1
Y
1
B
CE
LYS
5
B
CE
LYS
3
1
Y
1
B
NZ
LYS
5
B
NZ
LYS
3
1
Y
1
B
CG
ASP
6
B
CG
ASP
4
1
Y
1
B
OD1
ASP
6
B
OD1
ASP
4
1
Y
1
B
OD2
ASP
6
B
OD2
ASP
4
1
Y
1
B
CG
GLU
39
B
CG
GLU
37
1
Y
1
B
CD
GLU
39
B
CD
GLU
37
1
Y
1
B
OE1
GLU
39
B
OE1
GLU
37
1
Y
1
B
OE2
GLU
39
B
OE2
GLU
37
1
Y
1
B
CG
ASP
40
B
CG
ASP
38
1
Y
1
B
OD1
ASP
40
B
OD1
ASP
38
1
Y
1
B
OD2
ASP
40
B
OD2
ASP
38
1
Y
1
B
CG
LYS
43
B
CG
LYS
41
1
Y
1
B
CD
LYS
43
B
CD
LYS
41
1
Y
1
B
CE
LYS
43
B
CE
LYS
41
1
Y
1
B
NZ
LYS
43
B
NZ
LYS
41
1
Y
1
B
CG
GLN
44
B
CG
GLN
42
1
Y
1
B
CD
GLN
44
B
CD
GLN
42
1
Y
1
B
OE1
GLN
44
B
OE1
GLN
42
1
Y
1
B
NE2
GLN
44
B
NE2
GLN
42
1
Y
1
B
CG
GLN
47
B
CG
GLN
45
1
Y
1
B
CD
GLN
47
B
CD
GLN
45
1
Y
1
B
OE1
GLN
47
B
OE1
GLN
45
1
Y
1
B
NE2
GLN
47
B
NE2
GLN
45
1
Y
1
B
CG
ARG
48
B
CG
ARG
46
1
Y
1
B
CD
ARG
48
B
CD
ARG
46
1
Y
1
B
NE
ARG
48
B
NE
ARG
46
1
Y
1
B
CZ
ARG
48
B
CZ
ARG
46
1
Y
1
B
NH1
ARG
48
B
NH1
ARG
46
1
Y
1
B
NH2
ARG
48
B
NH2
ARG
46
1
Y
1
B
CG
ASP
51
B
CG
ASP
49
1
Y
1
B
OD1
ASP
51
B
OD1
ASP
49
1
Y
1
B
OD2
ASP
51
B
OD2
ASP
49
1
Y
1
B
CG
ASN
52
B
CG
ASN
50
1
Y
1
B
OD1
ASN
52
B
OD1
ASN
50
1
Y
1
B
ND2
ASN
52
B
ND2
ASN
50
1
Y
1
B
HIS
3
B
HIS
1
1
Y
1
A
ASN
52
-96.01
42.81
1
A
ASP
54
-113.21
79.12
1
A
SER
99
99.73
-55.29
1
B
ASP
6
34.38
48.75
1
B
HIS
13
-141.75
23.98
1
B
GLU
39
-29.21
-50.58
1
B
ALA
53
-44.57
94.67
1
B
MET
97
-99.50
-65.71
1
B
SER
99
56.15
6.46
0.2360000
0.2080000
0.2080000
0.2080000
2.4
30
1818
18219
17912
random
1
THROUGHOUT
0
0
MOLECULAR REPLACEMENT
Engh & Huber
2.4
30
57
2320
0
0
2263
1.3
0.008
0.0860000
2.4
30
4.8
99.5
phasing
AMoRE
refinement
CNS
data reduction
DENZO
data scaling
SCALEPACK
CRYSTAL STRUCTURE OF THE RCK DOMAIN FROM E.COLI POTASSIUM CHANNEL
1
N
N
1
N
N
2
N
N
2
N
N
A
SER
14
A
SER
12
HELX_P
A
ARG
27
A
ARG
25
1
1
14
A
PRO
38
A
PRO
36
HELX_P
A
GLY
50
A
GLY
48
1
2
13
A
ASP
62
A
ASP
60
HELX_P
A
GLY
70
A
GLY
68
1
3
9
A
ASN
83
A
ASN
81
HELX_P
A
SER
98
A
SER
96
1
4
16
A
ASP
109
A
ASP
107
HELX_P
A
LYS
111
A
LYS
109
5
5
3
A
ASN
112
A
ASN
110
HELX_P
A
MET
118
A
MET
116
1
6
7
A
SER
126
A
SER
124
HELX_P
A
ASN
140
A
ASN
138
1
7
15
A
ASN
145
A
ASN
143
HELX_P
A
MET
152
A
MET
150
1
8
8
B
SER
14
B
SER
12
HELX_P
B
ARG
27
B
ARG
25
1
9
14
B
PRO
38
B
PRO
36
HELX_P
B
LEU
49
B
LEU
47
1
10
12
B
ASP
62
B
ASP
60
HELX_P
B
GLY
70
B
GLY
68
1
11
9
B
ASN
83
B
ASN
81
HELX_P
B
SER
98
B
SER
96
1
12
16
B
ASP
109
B
ASP
107
HELX_P
B
LYS
111
B
LYS
109
5
13
3
B
ASN
112
B
ASN
110
HELX_P
B
MET
118
B
MET
116
1
14
7
B
SER
126
B
SER
124
HELX_P
B
ASN
140
B
ASN
138
1
15
15
B
ASN
145
B
ASN
143
HELX_P
B
LEU
154
B
LEU
152
1
16
10
MEMBRANE PROTEIN
RCK domain, E.coli Potassium Channel, BK Channel, Rossmann fold, MEMBRANE PROTEIN
KCH_ECOLI
UNP
1
241
P31069
HRKDHFIVCGHSILAINTILQLNQRGQNVTVISNLPEDDIKQLEQRLGDNADVIPGDSNDSSVLKKAGIDRCRAILALSD
NDADNAFVVLSAKDMSSDVKTVLAVSDSKNLNKIKMVHPDIILSPQLFGSEILARVLNGEEINNDMLVSMLLN
241
393
1ID1
3
155
P31069
A
1
1
153
241
393
1ID1
3
155
P31069
B
1
1
153
6
6
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
A
ASP
54
A
ASP
52
A
PRO
57
A
PRO
55
A
VAL
31
A
VAL
29
A
SER
35
A
SER
33
A
PHE
8
A
PHE
6
A
CYS
11
A
CYS
9
A
ALA
76
A
ALA
74
A
ALA
79
A
ALA
77
A
THR
103
A
THR
101
A
ALA
106
A
ALA
104
A
ILE
123
A
ILE
121
A
LEU
125
A
LEU
123
B
ASP
54
B
ASP
52
B
PRO
57
B
PRO
55
B
VAL
31
B
VAL
29
B
SER
35
B
SER
33
B
HIS
7
B
HIS
5
B
CYS
11
B
CYS
9
B
CYS
74
B
CYS
72
B
ALA
79
B
ALA
77
B
THR
103
B
THR
101
B
ALA
106
B
ALA
104
B
ILE
123
B
ILE
121
B
LEU
125
B
LEU
123
76
P 41