0.009608
0.005547
0.000000
0.000000
0.011095
0.000000
0.000000
0.000000
0.008793
0.00000
0.00000
0.00000
Xu, Q.
Chang, A.
Tolia, A.
Minor Jr., D.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
104.075
104.075
113.729
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
Ca 2
40.078
CALCIUM ION
non-polymer
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
CA
N
75
N
N
N
76
S
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
C
N
81
N
C
N
82
N
O
N
83
N
N
N
84
N
O
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
N
N
96
S
C
N
97
N
C
N
98
N
O
N
99
N
C
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
O
N
104
N
O
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
N
N
115
N
C
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
N
N
125
S
C
N
126
N
C
N
127
N
O
N
128
N
C
Y
129
N
C
Y
130
N
N
Y
131
N
C
Y
132
N
C
Y
133
N
N
N
134
N
O
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
O
N
146
N
H
N
147
N
H
N
148
N
N
N
149
S
C
N
150
N
C
N
151
N
O
N
152
S
C
N
153
N
C
N
154
N
C
N
155
N
C
N
156
N
O
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
N
N
171
S
C
N
172
N
C
N
173
N
O
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
O
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
N
N
193
S
C
N
194
N
C
N
195
N
O
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
C
N
200
N
N
N
201
N
O
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
N
N
218
S
C
N
219
N
C
N
220
N
O
N
221
N
C
N
222
N
C
N
223
N
S
N
224
N
C
N
225
N
O
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
N
N
238
S
C
N
239
N
C
N
240
N
O
N
241
N
C
Y
242
N
C
Y
243
N
C
Y
244
N
C
Y
245
N
C
Y
246
N
C
Y
247
N
C
N
248
N
O
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
N
N
261
S
C
N
262
N
C
N
263
N
O
N
264
N
C
N
265
N
C
N
266
N
C
N
267
N
O
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
N
N
278
S
C
N
279
N
C
N
280
N
O
N
281
N
C
N
282
N
O
N
283
N
O
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
H
N
291
N
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
R
C
N
296
N
O
N
297
N
C
N
298
N
O
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
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
N
319
N
O
N
320
N
O
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
N
N
333
S
C
N
334
N
C
N
335
N
O
N
336
N
C
N
337
N
C
N
338
N
C
N
339
N
O
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
doub
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
doub
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
doub
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
Y
127
N
sing
Y
128
N
doub
Y
129
N
doub
N
130
N
sing
Y
131
N
sing
N
132
N
sing
Y
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
doub
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
doub
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
doub
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
doub
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
Y
235
N
doub
Y
236
N
sing
Y
237
N
sing
N
238
N
sing
Y
239
N
doub
N
240
N
sing
Y
241
N
doub
N
242
N
sing
Y
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
doub
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
Y
304
N
doub
Y
305
N
sing
Y
306
N
sing
N
307
N
sing
Y
308
N
doub
N
309
N
sing
Y
310
N
doub
N
311
N
sing
Y
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
doub
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
sing
N
333
N
sing
N
334
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
425
378
394
10.1016/j.jmb.2012.11.023
23178170
Structure of a Ca(2+)/CaM:Kv7.4 (KCNQ4) B-helix complex provides insight into M current modulation.
2013
10.2210/pdb4gow/pdb
pdb_00004gow
1
CCD
LN2-cooled monochromator Si(220), Phi=0 or 90 degrees
SINGLE WAVELENGTH
M
x-ray
1
1.006
1.0
BL12-2
SSRL
1.006
SYNCHROTRON
SSRL BEAMLINE BL12-2
16334.926
Calmodulin
1
man
polymer
8211.675
Potassium voltage-gated channel subfamily KQT member 4
UNP residues 522-593
1
man
polymer
40.078
CALCIUM ION
4
syn
non-polymer
18.015
water
18
nat
water
CaM
KQT-like 4, Potassium channel subunit alpha KvLQT4, Voltage-gated potassium channel subunit Kv7.4
no
no
QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSE
EEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMT
QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSE
EEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMT
D
polypeptide(L)
no
no
TVDDIMPAVKTVIRSIRILKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLGRIKSLQTRVDQIVGRGPGD
TVDDIMPAVKTVIRSIRILKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLGRIKSLQTRVDQIVGRGPGD
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
sample
CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, CAM3, CAMC, CAMIII
9606
Homo sapiens
562
Escherichia coli
BL21(DE3)pLysS
plasmid
pET28
human
sample
KCNQ4
9606
Homo sapiens
562
Escherichia coli
BL21(DE3)pLysS
plasmid
pET28
1
3.63
66.10
VAPOR DIFFUSION, HANGING DROP
6.0
1.6M ammonium sulfate, 0.2M sodium citrate (pH 6.0), 0.1M sodium tartrate, 4% isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Database references
Data collection
Database references
Derived calculations
1
0
2012-12-12
1
1
2013-05-22
1
2
2024-02-28
_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_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_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_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2012-08-20
REL
REL
CA
CALCIUM ION
HOH
water
CA
1
3
CA
CA
201
D
CA
2
3
CA
CA
202
D
CA
3
3
CA
CA
203
D
CA
4
3
CA
CA
204
D
HOH
1
4
HOH
HOH
301
D
HOH
2
4
HOH
HOH
302
D
HOH
4
4
HOH
HOH
303
D
HOH
7
4
HOH
HOH
304
D
HOH
8
4
HOH
HOH
305
D
HOH
9
4
HOH
HOH
306
D
HOH
10
4
HOH
HOH
307
D
HOH
11
4
HOH
HOH
308
D
HOH
13
4
HOH
HOH
309
D
HOH
14
4
HOH
HOH
310
D
HOH
15
4
HOH
HOH
311
D
HOH
16
4
HOH
HOH
312
D
HOH
18
4
HOH
HOH
313
D
HOH
19
4
HOH
HOH
314
D
HOH
23
4
HOH
HOH
315
D
HOH
26
4
HOH
HOH
316
D
HOH
6
4
HOH
HOH
601
A
HOH
25
4
HOH
HOH
602
A
GLN
3
n
1
GLN
3
D
LEU
4
n
2
LEU
4
D
THR
5
n
3
THR
5
D
GLU
6
n
4
GLU
6
D
GLU
7
n
5
GLU
7
D
GLN
8
n
6
GLN
8
D
ILE
9
n
7
ILE
9
D
ALA
10
n
8
ALA
10
D
GLU
11
n
9
GLU
11
D
PHE
12
n
10
PHE
12
D
LYS
13
n
11
LYS
13
D
GLU
14
n
12
GLU
14
D
ALA
15
n
13
ALA
15
D
PHE
16
n
14
PHE
16
D
SER
17
n
15
SER
17
D
LEU
18
n
16
LEU
18
D
PHE
19
n
17
PHE
19
D
ASP
20
n
18
ASP
20
D
LYS
21
n
19
LYS
21
D
ASP
22
n
20
ASP
22
D
GLY
23
n
21
GLY
23
D
ASP
24
n
22
ASP
24
D
GLY
25
n
23
GLY
25
D
THR
26
n
24
THR
26
D
ILE
27
n
25
ILE
27
D
THR
28
n
26
THR
28
D
THR
29
n
27
THR
29
D
LYS
30
n
28
LYS
30
D
GLU
31
n
29
GLU
31
D
LEU
32
n
30
LEU
32
D
GLY
33
n
31
GLY
33
D
THR
34
n
32
THR
34
D
VAL
35
n
33
VAL
35
D
MET
36
n
34
MET
36
D
ARG
37
n
35
ARG
37
D
SER
38
n
36
SER
38
D
LEU
39
n
37
LEU
39
D
GLY
40
n
38
GLY
40
D
GLN
41
n
39
GLN
41
D
ASN
42
n
40
ASN
42
D
PRO
43
n
41
PRO
43
D
THR
44
n
42
THR
44
D
GLU
45
n
43
GLU
45
D
ALA
46
n
44
ALA
46
D
GLU
47
n
45
GLU
47
D
LEU
48
n
46
LEU
48
D
GLN
49
n
47
GLN
49
D
ASP
50
n
48
ASP
50
D
MET
51
n
49
MET
51
D
ILE
52
n
50
ILE
52
D
ASN
53
n
51
ASN
53
D
GLU
54
n
52
GLU
54
D
VAL
55
n
53
VAL
55
D
ASP
56
n
54
ASP
56
D
ALA
57
n
55
ALA
57
D
ASP
58
n
56
ASP
58
D
GLY
59
n
57
GLY
59
D
ASN
60
n
58
ASN
60
D
GLY
61
n
59
GLY
61
D
THR
62
n
60
THR
62
D
ILE
63
n
61
ILE
63
D
ASP
64
n
62
ASP
64
D
PHE
65
n
63
PHE
65
D
PRO
66
n
64
PRO
66
D
GLU
67
n
65
GLU
67
D
PHE
68
n
66
PHE
68
D
LEU
69
n
67
LEU
69
D
THR
70
n
68
THR
70
D
MET
71
n
69
MET
71
D
MET
72
n
70
MET
72
D
ALA
73
n
71
ALA
73
D
ARG
74
n
72
ARG
74
D
LYS
75
n
73
LYS
75
D
MET
76
n
74
MET
76
D
LYS
77
n
75
LYS
77
D
ASP
78
n
76
ASP
78
D
n
77
79
D
n
78
80
D
SER
81
n
79
SER
81
D
GLU
82
n
80
GLU
82
D
GLU
83
n
81
GLU
83
D
GLU
84
n
82
GLU
84
D
ILE
85
n
83
ILE
85
D
ARG
86
n
84
ARG
86
D
GLU
87
n
85
GLU
87
D
ALA
88
n
86
ALA
88
D
PHE
89
n
87
PHE
89
D
ARG
90
n
88
ARG
90
D
VAL
91
n
89
VAL
91
D
PHE
92
n
90
PHE
92
D
ASP
93
n
91
ASP
93
D
LYS
94
n
92
LYS
94
D
ASP
95
n
93
ASP
95
D
GLY
96
n
94
GLY
96
D
ASN
97
n
95
ASN
97
D
GLY
98
n
96
GLY
98
D
TYR
99
n
97
TYR
99
D
ILE
100
n
98
ILE
100
D
SER
101
n
99
SER
101
D
ALA
102
n
100
ALA
102
D
ALA
103
n
101
ALA
103
D
GLU
104
n
102
GLU
104
D
LEU
105
n
103
LEU
105
D
ARG
106
n
104
ARG
106
D
HIS
107
n
105
HIS
107
D
VAL
108
n
106
VAL
108
D
MET
109
n
107
MET
109
D
THR
110
n
108
THR
110
D
ASN
111
n
109
ASN
111
D
LEU
112
n
110
LEU
112
D
GLY
113
n
111
GLY
113
D
GLU
114
n
112
GLU
114
D
LYS
115
n
113
LYS
115
D
LEU
116
n
114
LEU
116
D
THR
117
n
115
THR
117
D
ASP
118
n
116
ASP
118
D
GLU
119
n
117
GLU
119
D
GLU
120
n
118
GLU
120
D
VAL
121
n
119
VAL
121
D
ASP
122
n
120
ASP
122
D
GLU
123
n
121
GLU
123
D
MET
124
n
122
MET
124
D
ILE
125
n
123
ILE
125
D
ARG
126
n
124
ARG
126
D
GLU
127
n
125
GLU
127
D
ALA
128
n
126
ALA
128
D
ASP
129
n
127
ASP
129
D
ILE
130
n
128
ILE
130
D
ASP
131
n
129
ASP
131
D
GLY
132
n
130
GLY
132
D
ASP
133
n
131
ASP
133
D
GLY
134
n
132
GLY
134
D
GLN
135
n
133
GLN
135
D
VAL
136
n
134
VAL
136
D
ASN
137
n
135
ASN
137
D
TYR
138
n
136
TYR
138
D
GLU
139
n
137
GLU
139
D
GLU
140
n
138
GLU
140
D
PHE
141
n
139
PHE
141
D
VAL
142
n
140
VAL
142
D
GLN
143
n
141
GLN
143
D
MET
144
n
142
MET
144
D
MET
145
n
143
MET
145
D
THR
146
n
144
THR
146
D
n
1
522
A
n
2
523
A
ASP
524
n
3
ASP
524
A
ASP
525
n
4
ASP
525
A
ILE
526
n
5
ILE
526
A
MET
527
n
6
MET
527
A
PRO
528
n
7
PRO
528
A
ALA
529
n
8
ALA
529
A
VAL
530
n
9
VAL
530
A
LYS
531
n
10
LYS
531
A
THR
532
n
11
THR
532
A
VAL
533
n
12
VAL
533
A
ILE
534
n
13
ILE
534
A
ARG
535
n
14
ARG
535
A
SER
536
n
15
SER
536
A
ILE
537
n
16
ILE
537
A
ARG
538
n
17
ARG
538
A
ILE
539
n
18
ILE
539
A
LEU
540
n
19
LEU
540
A
LYS
541
n
20
LYS
541
A
PHE
542
n
21
PHE
542
A
LEU
543
n
22
LEU
543
A
VAL
544
n
23
VAL
544
A
ALA
545
n
24
ALA
545
A
LYS
546
n
25
LYS
546
A
ARG
547
n
26
ARG
547
A
LYS
548
n
27
LYS
548
A
PHE
549
n
28
PHE
549
A
n
29
550
A
n
30
551
A
n
31
552
A
n
32
553
A
n
33
554
A
n
34
555
A
n
35
556
A
n
36
557
A
n
37
558
A
n
38
559
A
n
39
560
A
n
40
561
A
n
41
562
A
n
42
563
A
n
43
564
A
n
44
565
A
n
45
566
A
n
46
567
A
n
47
568
A
n
48
569
A
n
49
570
A
n
50
571
A
n
51
572
A
n
52
573
A
n
53
574
A
n
54
575
A
n
55
576
A
n
56
577
A
n
57
578
A
n
58
579
A
n
59
580
A
n
60
581
A
n
61
582
A
n
62
583
A
n
63
584
A
n
64
585
A
n
65
586
A
n
66
587
A
n
67
588
A
n
68
589
A
n
69
590
A
n
70
591
A
n
71
592
A
n
72
593
A
4.5014
0.4108
-0.3667
6.6490
0.0144
4.3616
-0.2434
0.4209
0.2464
-0.2187
0.5699
0.4436
0.2098
0.0766
-0.2663
0.2971
-0.0618
-0.2212
0.2269
0.0273
0.2564
refined
-34.6552
27.7043
-4.8043
X-RAY DIFFRACTION
4.7442
1.9305
0.9674
4.4483
0.2493
2.9159
0.3294
0.8231
-0.4348
-0.2621
-0.3290
-0.1692
0.6169
-0.2184
0.0580
0.4320
-0.1136
-0.1189
0.6931
0.0161
0.3349
refined
-14.7476
27.5230
5.6861
X-RAY DIFFRACTION
2.8297
1.0775
-1.5615
7.0852
-1.3172
6.7579
0.2694
-0.4431
-0.4162
0.8272
-0.0125
0.0322
0.1707
0.2715
-0.1075
0.3057
0.0607
-0.1783
0.2511
0.0142
0.2640
refined
-34.0704
27.3885
2.9346
X-RAY DIFFRACTION
X-RAY DIFFRACTION
1
chain 'D' and (resseq 3:78)
X-RAY DIFFRACTION
2
chain 'D' and (resseq 81:146)
X-RAY DIFFRACTION
3
chain 'A' and (resseq 524:549)
author_and_software_defined_assembly
PISA
2
dimeric
3280
-72
9560
D
ASP
131
A
OD1
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
131
A
OD2
ASP
129
1_555
40.7
D
ASP
131
A
OD1
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
133
A
OD2
ASP
131
1_555
91.7
D
ASP
131
A
OD2
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
133
A
OD2
ASP
131
1_555
55.6
D
ASP
131
A
OD1
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
133
A
OD1
ASP
131
1_555
101.6
D
ASP
131
A
OD2
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
133
A
OD1
ASP
131
1_555
83.4
D
ASP
133
A
OD2
ASP
131
1_555
D
CA
204
F
CA
CA
1_555
D
ASP
133
A
OD1
ASP
131
1_555
40.6
D
ASP
131
A
OD1
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
GLU
140
A
OE1
GLU
138
1_555
97.1
D
ASP
131
A
OD2
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
D
GLU
140
A
OE1
GLU
138
1_555
82.2
D
ASP
133
A
OD2
ASP
131
1_555
D
CA
204
F
CA
CA
1_555
D
GLU
140
A
OE1
GLU
138
1_555
94.6
D
ASP
133
A
OD1
ASP
131
1_555
D
CA
204
F
CA
CA
1_555
D
GLU
140
A
OE1
GLU
138
1_555
131.0
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
D
N
ILE
27
A
N
ILE
25
D
O
ILE
63
A
O
ILE
61
1
D
THR
79
A
THR
77
1
Y
1
D
ASP
80
A
ASP
78
1
Y
1
A
THR
522
B
THR
1
1
Y
1
A
VAL
523
B
VAL
2
1
Y
1
A
LYS
550
B
LYS
29
1
Y
1
A
GLU
551
B
GLU
30
1
Y
1
A
THR
552
B
THR
31
1
Y
1
A
LEU
553
B
LEU
32
1
Y
1
A
ARG
554
B
ARG
33
1
Y
1
A
PRO
555
B
PRO
34
1
Y
1
A
TYR
556
B
TYR
35
1
Y
1
A
ASP
557
B
ASP
36
1
Y
1
A
VAL
558
B
VAL
37
1
Y
1
A
LYS
559
B
LYS
38
1
Y
1
A
ASP
560
B
ASP
39
1
Y
1
A
VAL
561
B
VAL
40
1
Y
1
A
ILE
562
B
ILE
41
1
Y
1
A
GLU
563
B
GLU
42
1
Y
1
A
GLN
564
B
GLN
43
1
Y
1
A
TYR
565
B
TYR
44
1
Y
1
A
SER
566
B
SER
45
1
Y
1
A
ALA
567
B
ALA
46
1
Y
1
A
GLY
568
B
GLY
47
1
Y
1
A
HIS
569
B
HIS
48
1
Y
1
A
LEU
570
B
LEU
49
1
Y
1
A
ASP
571
B
ASP
50
1
Y
1
A
MET
572
B
MET
51
1
Y
1
A
LEU
573
B
LEU
52
1
Y
1
A
GLY
574
B
GLY
53
1
Y
1
A
ARG
575
B
ARG
54
1
Y
1
A
ILE
576
B
ILE
55
1
Y
1
A
LYS
577
B
LYS
56
1
Y
1
A
SER
578
B
SER
57
1
Y
1
A
LEU
579
B
LEU
58
1
Y
1
A
GLN
580
B
GLN
59
1
Y
1
A
THR
581
B
THR
60
1
Y
1
A
ARG
582
B
ARG
61
1
Y
1
A
VAL
583
B
VAL
62
1
Y
1
A
ASP
584
B
ASP
63
1
Y
1
A
GLN
585
B
GLN
64
1
Y
1
A
ILE
586
B
ILE
65
1
Y
1
A
VAL
587
B
VAL
66
1
Y
1
A
GLY
588
B
GLY
67
1
Y
1
A
ARG
589
B
ARG
68
1
Y
1
A
GLY
590
B
GLY
69
1
Y
1
A
PRO
591
B
PRO
70
1
Y
1
A
GLY
592
B
GLY
71
1
Y
1
A
ASP
593
B
ASP
72
1
Y
1
D
ASP
20
-69.45
74.04
1
D
LYS
75
-119.63
54.92
-3.8260
-0.0000
0.0000
-3.8260
-0.0000
7.6519
0.2682
0.2363
0.2379
2.600
48.093
562
11699
4.80
99.97
1.000
1.000
0.57
1
1.34
MOLECULAR REPLACEMENT
27.71
0.98
1.20
ML
FLAT BULK SOLVENT MODEL
55.168
0.352
2.600
48.093
18
1360
4
0
1338
0.003
1351
0.790
1809
19.503
522
0.055
202
0.003
241
0.4055
0.3252
2.8617
148
2692
100.00
0.3394
0.2788
3.2758
118
2755
100.00
0.2889
0.2214
4.1268
139
2758
100.00
0.2201
0.2175
48.1011
157
2932
100.00
2.600
90.131
4GOW
11737
11737
0.103
1
18.900
16.700
100.000
0.965
2.600
2.740
0.800
0.965
1
12.700
100.000
0.700
2.740
2.910
1.100
0.700
1
17.700
100.000
0.426
2.910
3.110
1.800
0.426
1
17.800
100.000
0.226
3.110
3.360
3.400
0.226
1
17.800
100.000
0.131
3.360
3.680
4.800
0.131
1
17.600
100.000
0.085
3.680
4.110
8.000
0.085
1
17.500
100.000
0.061
4.110
4.750
10.700
0.061
1
17.300
100.000
0.074
4.750
5.810
8.500
0.074
1
17.000
100.000
0.059
5.810
8.220
9.800
0.059
1
16.400
100.000
0.041
8.220
113.730
14.300
0.041
1
14.200
99.600
data reduction
Andrew G.W. Leslie
andrew@mrc-lmb.cam.ac.uk
2008/10/21
http://www.mrc-lmb.cam.ac.uk/harry/mosflm/
MOSFLM
package
3.3.9
data scaling
Phil R. Evans
pre@mrc-lmb.cam.ac.uk
2008/10/21
Fortran_77
http://www.ccp4.ac.uk/dist/html/scala.html
SCALA
other
3.3.9
refinement
Paul D. Adams
PDAdams@lbl.gov
C++
http://www.phenix-online.org/
PHENIX
package
1.7.2_869
data extraction
PDB
deposit@deposit.rcsb.org
April 22, 2011
C++
http://sw-tools.pdb.org/apps/PDB_EXTRACT/
PDB_EXTRACT
package
3.11
data collection
HKL-2000
phasing
PHASER
Crystal Structure of Ca2+/CaM:Kv7.4 (KCNQ4) B helix complex
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
4
N
N
4
N
N
D
THR
5
A
THR
3
HELX_P
D
ASP
20
A
ASP
18
1
1
16
D
THR
28
A
THR
26
HELX_P
D
LEU
39
A
LEU
37
1
2
12
D
THR
44
A
THR
42
HELX_P
D
ASP
56
A
ASP
54
1
3
13
D
PHE
65
A
PHE
63
HELX_P
D
LYS
75
A
LYS
73
1
4
11
D
GLU
82
A
GLU
80
HELX_P
D
ASP
93
A
ASP
91
1
5
12
D
SER
101
A
SER
99
HELX_P
D
GLY
113
A
GLY
111
1
6
13
D
THR
117
A
THR
115
HELX_P
D
ASP
129
A
ASP
127
1
7
13
D
ASN
137
A
ASN
135
HELX_P
D
THR
146
A
THR
144
1
8
10
A
ASP
525
B
ASP
4
HELX_P
A
PHE
549
B
PHE
28
1
9
25
metalc
3.182
D
ASN
60
A
OD1
ASN
58
1_555
D
CA
202
D
CA
CA
1_555
metalc
3.144
D
ASP
131
A
OD1
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
metalc
3.185
D
ASP
131
A
OD2
ASP
129
1_555
D
CA
204
F
CA
CA
1_555
metalc
3.131
D
ASP
133
A
OD2
ASP
131
1_555
D
CA
204
F
CA
CA
1_555
metalc
3.197
D
ASP
133
A
OD1
ASP
131
1_555
D
CA
204
F
CA
CA
1_555
metalc
3.182
D
GLU
140
A
OE1
GLU
138
1_555
D
CA
204
F
CA
CA
1_555
PROTEIN BINDING
protein complex, PROTEIN BINDING, ion channel, calmodulin, potassium channel
CALM_HUMAN
UNP
1
4
P62158
QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSE
EEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMT
KCNQ4_HUMAN
UNP
2
522
P56696
TVDDIMPAVKTVIRSIRILKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLGRIKSLQTRVDQIVGRGPGD
4
147
4GOW
3
146
P62158
D
1
1
144
522
593
4GOW
522
593
P56696
A
2
1
72
2
anti-parallel
D
THR
26
A
THR
24
D
ILE
27
A
ILE
25
D
ILE
63
A
ILE
61
D
ASP
64
A
ASP
62
BINDING SITE FOR RESIDUE CA D 201
D
CA
201
Software
5
BINDING SITE FOR RESIDUE CA D 202
D
CA
202
Software
6
BINDING SITE FOR RESIDUE CA D 203
D
CA
203
Software
4
BINDING SITE FOR RESIDUE CA D 204
D
CA
204
Software
5
D
ASP
22
A
ASP
20
5
1_555
D
ASP
24
A
ASP
22
5
1_555
D
THR
26
A
THR
24
5
1_555
D
THR
28
A
THR
26
5
1_555
D
GLU
31
A
GLU
29
5
1_555
D
ASP
56
A
ASP
54
6
1_555
D
ASP
58
A
ASP
56
6
1_555
D
ASN
60
A
ASN
58
6
1_555
D
THR
62
A
THR
60
6
1_555
D
ASP
64
A
ASP
62
6
1_555
D
GLU
67
A
GLU
65
6
1_555
D
ASP
95
A
ASP
93
4
1_555
D
ASN
97
A
ASN
95
4
1_555
D
GLU
104
A
GLU
102
4
1_555
D
GLN
135
A
GLN
133
4
1_555
D
ASP
131
A
ASP
129
5
1_555
D
ASP
133
A
ASP
131
5
1_555
D
GLN
135
A
GLN
133
5
1_555
D
ASN
137
A
ASN
135
5
1_555
D
GLU
140
A
GLU
138
5
1_555
179
P 65 2 2