0.011648
0.000000
0.000000
0.000000
0.011648
0.000000
0.000000
0.000000
0.005622
0.000000
0.000000
0.000000
Whorton, M.R.
MacKinnon, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.000
90.000
90.000
85.851
85.851
177.862
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
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
K 1
39.098
POTASSIUM ION
non-polymer
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
Na 1
22.990
SODIUM ION
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C25 H49 O19 P3
746.566
[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate
dioctanoyl l-alpha-phosphatidyl-d-myo-inositol 4,5-diphosphate
non-polymer
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
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
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
N
N
159
S
C
N
160
N
C
N
161
N
O
N
162
S
C
N
163
N
C
N
164
N
C
N
165
N
C
N
166
N
O
N
167
N
H
N
168
N
H
N
169
N
H
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
K
N
181
N
N
N
182
S
C
N
183
N
C
N
184
N
O
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
C
N
189
N
O
N
190
N
H
N
191
N
H
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
N
N
204
S
C
N
205
N
C
N
206
N
O
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
C
N
211
N
N
N
212
N
O
N
213
N
H
N
214
N
H
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
N
N
229
S
C
N
230
N
C
N
231
N
O
N
232
N
C
N
233
N
C
N
234
N
S
N
235
N
C
N
236
N
O
N
237
N
H
N
238
N
H
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
NA
N
249
N
N
N
250
S
C
N
251
N
C
N
252
N
O
N
253
N
C
Y
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
N
260
N
O
N
261
N
H
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
R
C
N
273
N
O
N
274
N
P
N
275
R
C
N
276
N
O
N
277
S
C
N
278
N
O
N
279
R
C
N
280
N
O
N
281
N
P
N
282
R
C
N
283
N
O
N
284
N
P
N
285
S
C
N
286
N
O
N
287
N
O
N
288
N
O
N
289
N
O
N
290
N
C
N
291
N
O
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
C
N
296
N
C
N
297
R
C
N
298
N
O
N
299
N
C
N
300
N
C
N
301
N
C
N
302
N
O
N
303
N
O
N
304
N
O
N
305
N
O
N
306
N
C
N
307
N
C
N
308
N
O
N
309
N
O
N
310
N
O
N
311
N
C
N
312
N
C
N
313
N
C
N
314
N
C
N
315
N
C
N
316
N
C
N
317
N
C
N
318
N
C
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
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
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
N
N
369
S
C
N
370
N
C
N
371
N
O
N
372
N
C
N
373
N
C
N
374
N
C
N
375
N
O
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
N
390
N
O
N
391
N
O
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
N
N
400
S
C
N
401
N
C
N
402
N
O
N
403
R
C
N
404
N
O
N
405
N
C
N
406
N
O
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
N
N
417
S
C
N
418
N
C
N
419
N
O
N
420
N
C
Y
421
N
C
Y
422
N
C
Y
423
N
C
Y
424
N
N
Y
425
N
C
Y
426
N
C
Y
427
N
C
Y
428
N
C
Y
429
N
C
N
430
N
O
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
H
N
438
N
H
N
439
N
H
N
440
N
H
N
441
N
H
N
442
N
H
N
443
N
N
N
444
S
C
N
445
N
C
N
446
N
O
N
447
N
C
Y
448
N
C
Y
449
N
C
Y
450
N
C
Y
451
N
C
Y
452
N
C
Y
453
N
C
N
454
N
O
N
455
N
O
N
456
N
H
N
457
N
H
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
N
N
N
468
S
C
N
469
N
C
N
470
N
O
N
471
N
C
N
472
N
C
N
473
N
C
N
474
N
O
N
475
N
H
N
476
N
H
N
477
N
H
N
478
N
H
N
479
N
H
N
480
N
H
N
481
N
H
N
482
N
H
N
483
N
H
N
484
N
H
N
485
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
doub
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
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
doub
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
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
doub
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
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
doub
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
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
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
Y
246
N
doub
Y
247
N
sing
Y
248
N
sing
N
249
N
sing
Y
250
N
doub
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
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
doub
N
266
N
sing
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
doub
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
doub
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
doub
N
298
N
sing
N
299
N
sing
N
300
N
doub
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
sing
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
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
doub
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
doub
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
doub
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
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
doub
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
Y
411
N
doub
Y
412
N
sing
Y
413
N
sing
N
414
N
sing
Y
415
N
doub
Y
416
N
sing
Y
417
N
sing
N
418
N
sing
Y
419
N
sing
Y
420
N
doub
N
421
N
sing
Y
422
N
doub
N
423
N
sing
Y
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
doub
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
Y
439
N
doub
Y
440
N
sing
Y
441
N
sing
N
442
N
sing
Y
443
N
doub
N
444
N
sing
Y
445
N
doub
N
446
N
sing
Y
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
sing
N
457
N
sing
N
458
N
doub
N
459
N
sing
N
460
N
sing
N
461
N
sing
N
462
N
sing
N
463
N
sing
N
464
N
sing
N
465
N
sing
N
466
N
sing
N
467
N
sing
N
468
N
sing
N
469
N
sing
US
Cell(Cambridge,Mass.)
CELLB5
0998
0092-8674
147
199
208
10.1016/j.cell.2011.07.046
21962516
Crystal Structure of the Mammalian GIRK2 K(+) Channel and Gating Regulation by G Proteins, PIP(2), and Sodium.
2011
10.2210/pdb3sya/pdb
pdb_00003sya
100
1
CCD
2010-11-21
ADSC QUANTUM 315
Rosenbaum-Rock double crystal sagittal focusing
SINGLE WAVELENGTH
M
x-ray
1
1.075
1.0
X29A
NSLS
1.075
SYNCHROTRON
NSLS BEAMLINE X29A
39061.957
G protein-activated inward rectifier potassium channel 2
UNP residues 52-380
1
man
polymer
22.990
SODIUM ION
1
syn
non-polymer
746.566
[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate
1
syn
non-polymer
39.098
POTASSIUM ION
5
syn
non-polymer
GIRK-2, Inward rectifier K(+) channel Kir3.2, Potassium channel, inwardly rectifying subfamily J member 6
no
no
MAKRKIQRYVRKDGKCNVHHGNVRETYRYLTDIFTTLVDLKWRFNLLIFVMVYTVTWLFFGMIWWLIAYIRGDMDHIEDP
SWTPCVTNLNGFVSAFLFSIETETTIGYGYRVITDKCPEGIILLLIQSVLGSIVNAFMVGCMFVKISQPKKRAETLVFST
HAVISMRDGKLCLMFRVGDLRNSHIVEASIRAKLIKSKQTSEGEFIPLNQTDINVGYYTGDDRLFLVSPLIISHEINQQS
PFWEISKAQLPKEELEIVVILEGMVEATGMTCQARSSYITSEILWGYRFTPVLTLEDGFYEVDYNSFHETYETSTPSLSA
KELAELANRAESNSLEVLFQ
MAKRKIQRYVRKDGKCNVHHGNVRETYRYLTDIFTTLVDLKWRFNLLIFVMVYTVTWLFFGMIWWLIAYIRGDMDHIEDP
SWTPCVTNLNGFVSAFLFSIETETTIGYGYRVITDKCPEGIILLLIQSVLGSIVNAFMVGCMFVKISQPKKRAETLVFST
HAVISMRDGKLCLMFRVGDLRNSHIVEASIRAKLIKSKQTSEGEFIPLNQTDINVGYYTGDDRLFLVSPLIISHEINQQS
PFWEISKAQLPKEELEIVVILEGMVEATGMTCQARSSYITSEILWGYRFTPVLTLEDGFYEVDYNSFHETYETSTPSLSA
KELAELANRAESNSLEVLFQ
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
mouse
sample
Girk2, Kcnj6, Kcnj7, W
10090
Mus musculus
4922
Pichia pastoris
SMD1163
plasmid
pPICZ
1
4.19
70.68
VAPOR DIFFUSION, HANGING DROP
6.0
50 mM sodium citrate, pH 6.0, 1 M sodium chloride, 20% PEG400, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
293.15
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Data collection
Database references
Derived calculations
Refinement description
1
0
2011-10-12
1
1
2023-09-13
_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.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr2_label_comp_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_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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) D228N mutant
Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) in complex with sodium
Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) R201A mutant
Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) R201A mutant in complex with PIP2
RCSB
Y
RCSB
2011-07-16
REL
REL
NA
SODIUM ION
PIO
[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate
K
POTASSIUM ION
UNP P48542 S260T, I313M, AND M344L ARE NATURAL VARIANTS.
2E4F
PDB ENTRY 2E4F
PDB
experimental model
NA
600
2
NA
NA
600
A
PT5
400
3
PIO
PIO
400
A
K
501
4
K
K
501
A
K
502
4
K
K
502
A
K
503
4
K
K
503
A
K
504
4
K
K
504
A
K
505
4
K
K
505
A
n
1
50
A
n
2
51
A
n
3
52
A
n
4
53
A
n
5
54
A
ILE
55
n
6
ILE
55
A
GLN
56
n
7
GLN
56
A
ARG
57
n
8
ARG
57
A
TYR
58
n
9
TYR
58
A
VAL
59
n
10
VAL
59
A
ARG
60
n
11
ARG
60
A
LYS
61
n
12
LYS
61
A
ASP
62
n
13
ASP
62
A
GLY
63
n
14
GLY
63
A
LYS
64
n
15
LYS
64
A
CYS
65
n
16
CYS
65
A
ASN
66
n
17
ASN
66
A
VAL
67
n
18
VAL
67
A
HIS
68
n
19
HIS
68
A
HIS
69
n
20
HIS
69
A
GLY
70
n
21
GLY
70
A
ASN
71
n
22
ASN
71
A
VAL
72
n
23
VAL
72
A
ARG
73
n
24
ARG
73
A
GLU
74
n
25
GLU
74
A
THR
75
n
26
THR
75
A
TYR
76
n
27
TYR
76
A
ARG
77
n
28
ARG
77
A
TYR
78
n
29
TYR
78
A
LEU
79
n
30
LEU
79
A
THR
80
n
31
THR
80
A
ASP
81
n
32
ASP
81
A
ILE
82
n
33
ILE
82
A
PHE
83
n
34
PHE
83
A
THR
84
n
35
THR
84
A
THR
85
n
36
THR
85
A
LEU
86
n
37
LEU
86
A
VAL
87
n
38
VAL
87
A
ASP
88
n
39
ASP
88
A
LEU
89
n
40
LEU
89
A
LYS
90
n
41
LYS
90
A
TRP
91
n
42
TRP
91
A
ARG
92
n
43
ARG
92
A
PHE
93
n
44
PHE
93
A
ASN
94
n
45
ASN
94
A
LEU
95
n
46
LEU
95
A
LEU
96
n
47
LEU
96
A
ILE
97
n
48
ILE
97
A
PHE
98
n
49
PHE
98
A
VAL
99
n
50
VAL
99
A
MET
100
n
51
MET
100
A
VAL
101
n
52
VAL
101
A
TYR
102
n
53
TYR
102
A
THR
103
n
54
THR
103
A
VAL
104
n
55
VAL
104
A
THR
105
n
56
THR
105
A
TRP
106
n
57
TRP
106
A
LEU
107
n
58
LEU
107
A
PHE
108
n
59
PHE
108
A
PHE
109
n
60
PHE
109
A
GLY
110
n
61
GLY
110
A
MET
111
n
62
MET
111
A
ILE
112
n
63
ILE
112
A
TRP
113
n
64
TRP
113
A
TRP
114
n
65
TRP
114
A
LEU
115
n
66
LEU
115
A
ILE
116
n
67
ILE
116
A
ALA
117
n
68
ALA
117
A
TYR
118
n
69
TYR
118
A
ILE
119
n
70
ILE
119
A
ARG
120
n
71
ARG
120
A
GLY
121
n
72
GLY
121
A
ASP
122
n
73
ASP
122
A
MET
123
n
74
MET
123
A
ASP
124
n
75
ASP
124
A
HIS
125
n
76
HIS
125
A
ILE
126
n
77
ILE
126
A
GLU
127
n
78
GLU
127
A
ASP
128
n
79
ASP
128
A
PRO
129
n
80
PRO
129
A
SER
130
n
81
SER
130
A
TRP
131
n
82
TRP
131
A
THR
132
n
83
THR
132
A
PRO
133
n
84
PRO
133
A
CYS
134
n
85
CYS
134
A
VAL
135
n
86
VAL
135
A
THR
136
n
87
THR
136
A
ASN
137
n
88
ASN
137
A
LEU
138
n
89
LEU
138
A
ASN
139
n
90
ASN
139
A
GLY
140
n
91
GLY
140
A
PHE
141
n
92
PHE
141
A
VAL
142
n
93
VAL
142
A
SER
143
n
94
SER
143
A
ALA
144
n
95
ALA
144
A
PHE
145
n
96
PHE
145
A
LEU
146
n
97
LEU
146
A
PHE
147
n
98
PHE
147
A
SER
148
n
99
SER
148
A
ILE
149
n
100
ILE
149
A
GLU
150
n
101
GLU
150
A
THR
151
n
102
THR
151
A
GLU
152
n
103
GLU
152
A
THR
153
n
104
THR
153
A
THR
154
n
105
THR
154
A
ILE
155
n
106
ILE
155
A
GLY
156
n
107
GLY
156
A
TYR
157
n
108
TYR
157
A
GLY
158
n
109
GLY
158
A
TYR
159
n
110
TYR
159
A
ARG
160
n
111
ARG
160
A
VAL
161
n
112
VAL
161
A
ILE
162
n
113
ILE
162
A
THR
163
n
114
THR
163
A
ASP
164
n
115
ASP
164
A
LYS
165
n
116
LYS
165
A
CYS
166
n
117
CYS
166
A
PRO
167
n
118
PRO
167
A
GLU
168
n
119
GLU
168
A
GLY
169
n
120
GLY
169
A
ILE
170
n
121
ILE
170
A
ILE
171
n
122
ILE
171
A
LEU
172
n
123
LEU
172
A
LEU
173
n
124
LEU
173
A
LEU
174
n
125
LEU
174
A
ILE
175
n
126
ILE
175
A
GLN
176
n
127
GLN
176
A
SER
177
n
128
SER
177
A
VAL
178
n
129
VAL
178
A
LEU
179
n
130
LEU
179
A
GLY
180
n
131
GLY
180
A
SER
181
n
132
SER
181
A
ILE
182
n
133
ILE
182
A
VAL
183
n
134
VAL
183
A
ASN
184
n
135
ASN
184
A
ALA
185
n
136
ALA
185
A
PHE
186
n
137
PHE
186
A
MET
187
n
138
MET
187
A
VAL
188
n
139
VAL
188
A
GLY
189
n
140
GLY
189
A
CYS
190
n
141
CYS
190
A
MET
191
n
142
MET
191
A
PHE
192
n
143
PHE
192
A
VAL
193
n
144
VAL
193
A
LYS
194
n
145
LYS
194
A
ILE
195
n
146
ILE
195
A
SER
196
n
147
SER
196
A
GLN
197
n
148
GLN
197
A
PRO
198
n
149
PRO
198
A
LYS
199
n
150
LYS
199
A
LYS
200
n
151
LYS
200
A
ARG
201
n
152
ARG
201
A
ALA
202
n
153
ALA
202
A
GLU
203
n
154
GLU
203
A
THR
204
n
155
THR
204
A
LEU
205
n
156
LEU
205
A
VAL
206
n
157
VAL
206
A
PHE
207
n
158
PHE
207
A
SER
208
n
159
SER
208
A
THR
209
n
160
THR
209
A
HIS
210
n
161
HIS
210
A
ALA
211
n
162
ALA
211
A
VAL
212
n
163
VAL
212
A
ILE
213
n
164
ILE
213
A
SER
214
n
165
SER
214
A
MET
215
n
166
MET
215
A
ARG
216
n
167
ARG
216
A
ASP
217
n
168
ASP
217
A
GLY
218
n
169
GLY
218
A
LYS
219
n
170
LYS
219
A
LEU
220
n
171
LEU
220
A
CYS
221
n
172
CYS
221
A
LEU
222
n
173
LEU
222
A
MET
223
n
174
MET
223
A
PHE
224
n
175
PHE
224
A
ARG
225
n
176
ARG
225
A
VAL
226
n
177
VAL
226
A
GLY
227
n
178
GLY
227
A
ASP
228
n
179
ASP
228
A
LEU
229
n
180
LEU
229
A
ARG
230
n
181
ARG
230
A
ASN
231
n
182
ASN
231
A
SER
232
n
183
SER
232
A
HIS
233
n
184
HIS
233
A
ILE
234
n
185
ILE
234
A
VAL
235
n
186
VAL
235
A
GLU
236
n
187
GLU
236
A
ALA
237
n
188
ALA
237
A
SER
238
n
189
SER
238
A
ILE
239
n
190
ILE
239
A
ARG
240
n
191
ARG
240
A
ALA
241
n
192
ALA
241
A
LYS
242
n
193
LYS
242
A
LEU
243
n
194
LEU
243
A
ILE
244
n
195
ILE
244
A
LYS
245
n
196
LYS
245
A
SER
246
n
197
SER
246
A
LYS
247
n
198
LYS
247
A
GLN
248
n
199
GLN
248
A
THR
249
n
200
THR
249
A
SER
250
n
201
SER
250
A
GLU
251
n
202
GLU
251
A
GLY
252
n
203
GLY
252
A
GLU
253
n
204
GLU
253
A
PHE
254
n
205
PHE
254
A
ILE
255
n
206
ILE
255
A
PRO
256
n
207
PRO
256
A
LEU
257
n
208
LEU
257
A
ASN
258
n
209
ASN
258
A
GLN
259
n
210
GLN
259
A
THR
260
n
211
THR
260
A
ASP
261
n
212
ASP
261
A
ILE
262
n
213
ILE
262
A
ASN
263
n
214
ASN
263
A
VAL
264
n
215
VAL
264
A
GLY
265
n
216
GLY
265
A
TYR
266
n
217
TYR
266
A
TYR
267
n
218
TYR
267
A
THR
268
n
219
THR
268
A
GLY
269
n
220
GLY
269
A
ASP
270
n
221
ASP
270
A
ASP
271
n
222
ASP
271
A
ARG
272
n
223
ARG
272
A
LEU
273
n
224
LEU
273
A
PHE
274
n
225
PHE
274
A
LEU
275
n
226
LEU
275
A
VAL
276
n
227
VAL
276
A
SER
277
n
228
SER
277
A
PRO
278
n
229
PRO
278
A
LEU
279
n
230
LEU
279
A
ILE
280
n
231
ILE
280
A
ILE
281
n
232
ILE
281
A
SER
282
n
233
SER
282
A
HIS
283
n
234
HIS
283
A
GLU
284
n
235
GLU
284
A
ILE
285
n
236
ILE
285
A
ASN
286
n
237
ASN
286
A
GLN
287
n
238
GLN
287
A
GLN
288
n
239
GLN
288
A
SER
289
n
240
SER
289
A
PRO
290
n
241
PRO
290
A
PHE
291
n
242
PHE
291
A
TRP
292
n
243
TRP
292
A
GLU
293
n
244
GLU
293
A
ILE
294
n
245
ILE
294
A
SER
295
n
246
SER
295
A
LYS
296
n
247
LYS
296
A
ALA
297
n
248
ALA
297
A
GLN
298
n
249
GLN
298
A
LEU
299
n
250
LEU
299
A
PRO
300
n
251
PRO
300
A
LYS
301
n
252
LYS
301
A
GLU
302
n
253
GLU
302
A
GLU
303
n
254
GLU
303
A
LEU
304
n
255
LEU
304
A
GLU
305
n
256
GLU
305
A
ILE
306
n
257
ILE
306
A
VAL
307
n
258
VAL
307
A
VAL
308
n
259
VAL
308
A
ILE
309
n
260
ILE
309
A
LEU
310
n
261
LEU
310
A
GLU
311
n
262
GLU
311
A
GLY
312
n
263
GLY
312
A
MET
313
n
264
MET
313
A
VAL
314
n
265
VAL
314
A
GLU
315
n
266
GLU
315
A
ALA
316
n
267
ALA
316
A
THR
317
n
268
THR
317
A
GLY
318
n
269
GLY
318
A
MET
319
n
270
MET
319
A
THR
320
n
271
THR
320
A
CYS
321
n
272
CYS
321
A
GLN
322
n
273
GLN
322
A
ALA
323
n
274
ALA
323
A
ARG
324
n
275
ARG
324
A
SER
325
n
276
SER
325
A
SER
326
n
277
SER
326
A
TYR
327
n
278
TYR
327
A
ILE
328
n
279
ILE
328
A
THR
329
n
280
THR
329
A
SER
330
n
281
SER
330
A
GLU
331
n
282
GLU
331
A
ILE
332
n
283
ILE
332
A
LEU
333
n
284
LEU
333
A
TRP
334
n
285
TRP
334
A
GLY
335
n
286
GLY
335
A
TYR
336
n
287
TYR
336
A
ARG
337
n
288
ARG
337
A
PHE
338
n
289
PHE
338
A
THR
339
n
290
THR
339
A
PRO
340
n
291
PRO
340
A
VAL
341
n
292
VAL
341
A
LEU
342
n
293
LEU
342
A
THR
343
n
294
THR
343
A
LEU
344
n
295
LEU
344
A
GLU
345
n
296
GLU
345
A
ASP
346
n
297
ASP
346
A
GLY
347
n
298
GLY
347
A
PHE
348
n
299
PHE
348
A
TYR
349
n
300
TYR
349
A
GLU
350
n
301
GLU
350
A
VAL
351
n
302
VAL
351
A
ASP
352
n
303
ASP
352
A
TYR
353
n
304
TYR
353
A
ASN
354
n
305
ASN
354
A
SER
355
n
306
SER
355
A
PHE
356
n
307
PHE
356
A
HIS
357
n
308
HIS
357
A
GLU
358
n
309
GLU
358
A
THR
359
n
310
THR
359
A
TYR
360
n
311
TYR
360
A
GLU
361
n
312
GLU
361
A
THR
362
n
313
THR
362
A
SER
363
n
314
SER
363
A
THR
364
n
315
THR
364
A
PRO
365
n
316
PRO
365
A
SER
366
n
317
SER
366
A
LEU
367
n
318
LEU
367
A
SER
368
n
319
SER
368
A
ALA
369
n
320
ALA
369
A
LYS
370
n
321
LYS
370
A
GLU
371
n
322
GLU
371
A
LEU
372
n
323
LEU
372
A
ALA
373
n
324
ALA
373
A
GLU
374
n
325
GLU
374
A
LEU
375
n
326
LEU
375
A
ALA
376
n
327
ALA
376
A
ASN
377
n
328
ASN
377
A
ARG
378
n
329
ARG
378
A
ALA
379
n
330
ALA
379
A
GLU
380
n
331
GLU
380
A
SER
381
n
332
SER
381
A
ASN
382
n
333
ASN
382
A
n
334
383
A
n
335
384
A
n
336
385
A
n
337
386
A
n
338
387
A
n
339
388
A
n
340
389
A
2.3262
0.3946
0.7183
2.2191
0.9530
3.1505
-0.0272
0.7913
-0.0998
-0.6768
0.0638
-0.3325
-0.1658
0.3791
-0.0365
0.2722
-0.0142
0.0540
0.3205
0.0609
0.2030
refined
10.1200
-31.9590
-37.8420
X-RAY DIFFRACTION
A
55
A
382
X-RAY DIFFRACTION
1
author_and_software_defined_assembly
PISA
4
tetrameric
29330
-196
53400
A
THR
154
A
O
THR
105
1_555
A
K
504
G
K
K
1_555
A
THR
154
A
OG1
THR
105
1_555
47.6
A
ASP
228
A
OD2
ASP
179
1_555
A
NA
600
B
NA
NA
1_555
A
ARG
230
A
O
ARG
181
1_555
72.6
A
ASP
228
A
OD2
ASP
179
1_555
A
NA
600
B
NA
NA
1_555
A
SER
232
A
O
SER
183
1_555
59.4
A
ARG
230
A
O
ARG
181
1_555
A
NA
600
B
NA
NA
1_555
A
SER
232
A
O
SER
183
1_555
65.5
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_545
-x,-y-1,z
crystal symmetry operation
0.0000000000
-85.8510000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
3_445
-y-1/2,x-1/2,z
crystal symmetry operation
-42.9255000000
-42.9255000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
4_545
y+1/2,-x-1/2,z
crystal symmetry operation
42.9255000000
-42.9255000000
0.0000000000
A
N
VAL
206
A
N
VAL
157
A
O
GLY
227
A
O
GLY
178
A
N
LEU
222
A
N
LEU
173
A
O
HIS
283
A
O
HIS
234
A
N
VAL
206
A
N
VAL
157
A
O
GLY
227
A
O
GLY
178
A
O
MET
223
A
O
MET
174
A
N
VAL
212
A
N
VAL
163
A
N
ALA
211
A
N
ALA
162
A
O
LEU
333
A
O
LEU
284
A
O
THR
260
A
O
THR
211
A
N
LEU
243
A
N
LEU
194
A
N
ILE
244
A
N
ILE
195
A
O
GLU
305
A
O
GLU
256
A
N
GLY
312
A
N
GLY
263
A
O
CYS
321
A
O
CYS
272
A
N
LYS
247
A
N
LYS
198
A
O
ILE
255
A
O
ILE
206
A
N
ARG
337
A
N
ARG
288
A
O
TYR
360
A
O
TYR
311
A
N
THR
343
A
N
THR
294
A
O
GLU
350
A
O
GLU
301
1
A
K
501
D
K
1
A
K
502
E
K
1
A
K
503
F
K
1
A
K
504
G
K
1
A
CG1
ILE
55
A
CG1
ILE
6
1
Y
1
A
CG2
ILE
55
A
CG2
ILE
6
1
Y
1
A
CD1
ILE
55
A
CD1
ILE
6
1
Y
1
A
CG
ARG
73
A
CG
ARG
24
1
Y
1
A
CD
ARG
73
A
CD
ARG
24
1
Y
1
A
NE
ARG
73
A
NE
ARG
24
1
Y
1
A
CZ
ARG
73
A
CZ
ARG
24
1
Y
1
A
NH1
ARG
73
A
NH1
ARG
24
1
Y
1
A
NH2
ARG
73
A
NH2
ARG
24
1
Y
1
A
CG
TYR
76
A
CG
TYR
27
1
Y
1
A
CD1
TYR
76
A
CD1
TYR
27
1
Y
1
A
CD2
TYR
76
A
CD2
TYR
27
1
Y
1
A
CE1
TYR
76
A
CE1
TYR
27
1
Y
1
A
CE2
TYR
76
A
CE2
TYR
27
1
Y
1
A
CZ
TYR
76
A
CZ
TYR
27
1
Y
1
A
OH
TYR
76
A
OH
TYR
27
1
Y
1
A
CG
LYS
90
A
CG
LYS
41
1
Y
1
A
CD
LYS
90
A
CD
LYS
41
1
Y
1
A
CE
LYS
90
A
CE
LYS
41
1
Y
1
A
NZ
LYS
90
A
NZ
LYS
41
1
Y
1
A
CG
ARG
92
A
CG
ARG
43
1
Y
1
A
CD
ARG
92
A
CD
ARG
43
1
Y
1
A
NE
ARG
92
A
NE
ARG
43
1
Y
1
A
CZ
ARG
92
A
CZ
ARG
43
1
Y
1
A
NH1
ARG
92
A
NH1
ARG
43
1
Y
1
A
NH2
ARG
92
A
NH2
ARG
43
1
Y
1
A
CG
PHE
93
A
CG
PHE
44
1
Y
1
A
CD1
PHE
93
A
CD1
PHE
44
1
Y
1
A
CD2
PHE
93
A
CD2
PHE
44
1
Y
1
A
CE1
PHE
93
A
CE1
PHE
44
1
Y
1
A
CE2
PHE
93
A
CE2
PHE
44
1
Y
1
A
CZ
PHE
93
A
CZ
PHE
44
1
Y
1
A
CG
PHE
98
A
CG
PHE
49
1
Y
1
A
CD1
PHE
98
A
CD1
PHE
49
1
Y
1
A
CD2
PHE
98
A
CD2
PHE
49
1
Y
1
A
CE1
PHE
98
A
CE1
PHE
49
1
Y
1
A
CE2
PHE
98
A
CE2
PHE
49
1
Y
1
A
CZ
PHE
98
A
CZ
PHE
49
1
Y
1
A
CG
ARG
120
A
CG
ARG
71
1
Y
1
A
CD
ARG
120
A
CD
ARG
71
1
Y
1
A
NE
ARG
120
A
NE
ARG
71
1
Y
1
A
CZ
ARG
120
A
CZ
ARG
71
1
Y
1
A
NH1
ARG
120
A
NH1
ARG
71
1
Y
1
A
NH2
ARG
120
A
NH2
ARG
71
1
Y
1
A
CG
ASP
124
A
CG
ASP
75
1
Y
1
A
OD1
ASP
124
A
OD1
ASP
75
1
Y
1
A
OD2
ASP
124
A
OD2
ASP
75
1
Y
1
A
CG
HIS
125
A
CG
HIS
76
1
Y
1
A
ND1
HIS
125
A
ND1
HIS
76
1
Y
1
A
CD2
HIS
125
A
CD2
HIS
76
1
Y
1
A
CE1
HIS
125
A
CE1
HIS
76
1
Y
1
A
NE2
HIS
125
A
NE2
HIS
76
1
Y
1
A
CG1
ILE
126
A
CG1
ILE
77
1
Y
1
A
CG2
ILE
126
A
CG2
ILE
77
1
Y
1
A
CD1
ILE
126
A
CD1
ILE
77
1
Y
1
A
CG
GLU
127
A
CG
GLU
78
1
Y
1
A
CD
GLU
127
A
CD
GLU
78
1
Y
1
A
OE1
GLU
127
A
OE1
GLU
78
1
Y
1
A
OE2
GLU
127
A
OE2
GLU
78
1
Y
1
A
CG
ASP
128
A
CG
ASP
79
1
Y
1
A
OD1
ASP
128
A
OD1
ASP
79
1
Y
1
A
OD2
ASP
128
A
OD2
ASP
79
1
Y
1
A
CG
PRO
129
A
CG
PRO
80
1
Y
1
A
CD
PRO
129
A
CD
PRO
80
1
Y
1
A
OG
SER
130
A
OG
SER
81
1
Y
1
A
CG
TRP
131
A
CG
TRP
82
1
Y
1
A
CD1
TRP
131
A
CD1
TRP
82
1
Y
1
A
CD2
TRP
131
A
CD2
TRP
82
1
Y
1
A
NE1
TRP
131
A
NE1
TRP
82
1
Y
1
A
CE2
TRP
131
A
CE2
TRP
82
1
Y
1
A
CE3
TRP
131
A
CE3
TRP
82
1
Y
1
A
CZ2
TRP
131
A
CZ2
TRP
82
1
Y
1
A
CZ3
TRP
131
A
CZ3
TRP
82
1
Y
1
A
CH2
TRP
131
A
CH2
TRP
82
1
Y
1
A
OG1
THR
132
A
OG1
THR
83
1
Y
1
A
CG2
THR
132
A
CG2
THR
83
1
Y
1
A
CG
PHE
141
A
CG
PHE
92
1
Y
1
A
CD1
PHE
141
A
CD1
PHE
92
1
Y
1
A
CD2
PHE
141
A
CD2
PHE
92
1
Y
1
A
CE1
PHE
141
A
CE1
PHE
92
1
Y
1
A
CE2
PHE
141
A
CE2
PHE
92
1
Y
1
A
CZ
PHE
141
A
CZ
PHE
92
1
Y
1
A
CG1
ILE
162
A
CG1
ILE
113
1
Y
1
A
CG2
ILE
162
A
CG2
ILE
113
1
Y
1
A
CD1
ILE
162
A
CD1
ILE
113
1
Y
1
A
CG
LYS
165
A
CG
LYS
116
1
Y
1
A
CD
LYS
165
A
CD
LYS
116
1
Y
1
A
CE
LYS
165
A
CE
LYS
116
1
Y
1
A
NZ
LYS
165
A
NZ
LYS
116
1
Y
1
A
CG
GLU
168
A
CG
GLU
119
1
Y
1
A
CD
GLU
168
A
CD
GLU
119
1
Y
1
A
OE1
GLU
168
A
OE1
GLU
119
1
Y
1
A
OE2
GLU
168
A
OE2
GLU
119
1
Y
1
A
CG1
ILE
170
A
CG1
ILE
121
1
Y
1
A
CG2
ILE
170
A
CG2
ILE
121
1
Y
1
A
CD1
ILE
170
A
CD1
ILE
121
1
Y
1
A
CG
LEU
174
A
CG
LEU
125
1
Y
1
A
CD1
LEU
174
A
CD1
LEU
125
1
Y
1
A
CD2
LEU
174
A
CD2
LEU
125
1
Y
1
A
CG
MET
191
A
CG
MET
142
1
Y
1
A
SD
MET
191
A
SD
MET
142
1
Y
1
A
CE
MET
191
A
CE
MET
142
1
Y
1
A
CG
LYS
301
A
CG
LYS
252
1
Y
1
A
CD
LYS
301
A
CD
LYS
252
1
Y
1
A
CE
LYS
301
A
CE
LYS
252
1
Y
1
A
NZ
LYS
301
A
NZ
LYS
252
1
Y
1
A
CG
GLU
303
A
CG
GLU
254
1
Y
1
A
CD
GLU
303
A
CD
GLU
254
1
Y
1
A
OE1
GLU
303
A
OE1
GLU
254
1
Y
1
A
OE2
GLU
303
A
OE2
GLU
254
1
Y
1
A
CG
GLU
345
A
CG
GLU
296
1
Y
1
A
CD
GLU
345
A
CD
GLU
296
1
Y
1
A
OE1
GLU
345
A
OE1
GLU
296
1
Y
1
A
OE2
GLU
345
A
OE2
GLU
296
1
Y
1
A
CG
GLU
350
A
CG
GLU
301
1
Y
1
A
CD
GLU
350
A
CD
GLU
301
1
Y
1
A
OE1
GLU
350
A
OE1
GLU
301
1
Y
1
A
OE2
GLU
350
A
OE2
GLU
301
1
Y
1
A
CG
ASN
382
A
CG
ASN
333
1
Y
1
A
OD1
ASN
382
A
OD1
ASN
333
1
Y
1
A
ND2
ASN
382
A
ND2
ASN
333
1
Y
1
A
O1A
PIO
400
C
O1A
PIO
1
1
N
1
A
O1B
PIO
400
C
O1B
PIO
1
1
N
1
A
C2A
PIO
400
C
C2A
PIO
1
1
N
1
A
C2B
PIO
400
C
C2B
PIO
1
1
N
1
A
C3A
PIO
400
C
C3A
PIO
1
1
N
1
A
C3B
PIO
400
C
C3B
PIO
1
1
N
1
A
C4A
PIO
400
C
C4A
PIO
1
1
N
1
A
C4B
PIO
400
C
C4B
PIO
1
1
N
1
A
C5A
PIO
400
C
C5A
PIO
1
1
N
1
A
C5B
PIO
400
C
C5B
PIO
1
1
N
1
A
C6A
PIO
400
C
C6A
PIO
1
1
N
1
A
C6B
PIO
400
C
C6B
PIO
1
1
N
1
A
C7A
PIO
400
C
C7A
PIO
1
1
N
1
A
C7B
PIO
400
C
C7B
PIO
1
1
N
1
A
C8A
PIO
400
C
C8A
PIO
1
1
N
1
A
C8B
PIO
400
C
C8B
PIO
1
1
N
1
A
MET
50
A
MET
1
1
Y
1
A
ALA
51
A
ALA
2
1
Y
1
A
LYS
52
A
LYS
3
1
Y
1
A
ARG
53
A
ARG
4
1
Y
1
A
LYS
54
A
LYS
5
1
Y
1
A
SER
383
A
SER
334
1
Y
1
A
LEU
384
A
LEU
335
1
Y
1
A
GLU
385
A
GLU
336
1
Y
1
A
VAL
386
A
VAL
337
1
Y
1
A
LEU
387
A
LEU
338
1
Y
1
A
PHE
388
A
PHE
339
1
Y
1
A
GLN
389
A
GLN
340
1
Y
1
A
VAL
72
-62.85
96.14
1
A
ASP
81
-112.29
77.55
1
A
ASN
137
58.37
78.22
1
A
VAL
276
-99.37
-86.32
1
A
TYR
353
-56.16
-8.08
289.750
100.8285
42.080
0.9000
0.0000
0.0000
0.9000
0.0000
-1.8100
0.9100
0.9080
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
U VALUES : RESIDUAL ONLY
0.2692
0.2400
0.2419
2.980
41.727
968
13894
7.0
96.8
1.000
0.130
33.2960
0.2760
RANDOM
1
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
0.724
0.3690
0.8000
0.8000
1.4000
PDB ENTRY 2E4F
MAXIMUM LIKELIHOOD
MASK
2.980
41.727
0
2563
37
0
2526
0.010
0.022
2612
1.242
1.963
3562
6.032
5.000
327
34.086
23.714
105
17.494
15.000
415
16.488
15.000
13
0.080
0.200
420
0.004
0.021
1922
0.412
1.500
1629
0.833
2.000
2622
1.282
3.000
983
2.272
4.500
940
0.4430
0.3470
3.052
70
857
927
20
90.35
2.975
41.727
3SYA
13919
0.108
1.217
1
10.2
5.8
97.4
0.827
3.000
3.110
1359
1.107
1
5.600
99.100
0.528
3.110
3.230
1375
1.028
1
5.700
98.900
0.346
3.230
3.380
1383
1.106
1
5.800
99.100
0.264
3.380
3.560
1389
1.202
1
5.800
99.200
0.194
3.560
3.780
1387
1.431
1
5.800
98.900
0.145
3.780
4.070
1390
1.317
1
5.900
98.100
0.103
4.070
4.480
1386
1.346
1
5.900
97.900
0.086
4.480
5.130
1395
1.308
1
5.800
96.700
0.079
5.130
6.460
1401
1.256
1
5.800
95.800
0.048
6.460
41.727
1454
1.043
1
5.500
91.400
data scaling
Zbyszek Otwinowski
hkl@hkl-xray.com
http://www.hkl-xray.com/
SCALEPACK
program
refinement
Garib N. Murshudov
garib@ysbl.york.ac.uk
Fortran_77
http://www.ccp4.ac.uk/dist/html/refmac5.html
REFMAC
program
5.5.0109
data extraction
PDB
deposit@deposit.rcsb.org
June 10, 2010
C++
http://sw-tools.pdb.org/apps/PDB_EXTRACT/
PDB_EXTRACT
package
3.10
data collection
CBASS
data reduction
DENZO
phasing
MOLREP
Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) in complex with sodium and PIP2
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
4
N
N
4
N
N
4
N
N
A
THR
75
A
THR
26
HELX_P
A
ASP
81
A
ASP
32
1
1
7
A
ASP
81
A
ASP
32
HELX_P
A
LEU
89
A
LEU
40
1
2
9
A
LYS
90
A
LYS
41
HELX_P
A
ARG
120
A
ARG
71
1
3
31
A
VAL
142
A
VAL
93
HELX_P
A
THR
153
A
THR
104
1
4
12
A
CYS
166
A
CYS
117
HELX_P
A
GLN
197
A
GLN
148
1
5
32
A
PRO
198
A
PRO
149
HELX_P
A
GLU
203
A
GLU
154
5
6
6
A
GLN
298
A
GLN
249
HELX_P
A
GLU
302
A
GLU
253
5
7
5
A
TYR
353
A
TYR
304
HELX_P
A
PHE
356
A
PHE
307
5
8
4
A
SER
368
A
SER
319
HELX_P
A
SER
381
A
SER
332
1
9
14
disulf
2.044
A
CYS
134
A
SG
CYS
85
1_555
A
CYS
166
A
SG
CYS
117
1_555
metalc
3.205
A
THR
154
A
O
THR
105
1_555
A
K
503
F
K
K
1_555
metalc
3.219
A
THR
154
A
O
THR
105
1_555
A
K
504
G
K
K
1_555
metalc
3.221
A
THR
154
A
OG1
THR
105
1_555
A
K
504
G
K
K
1_555
metalc
3.236
A
ILE
155
A
O
ILE
106
1_555
A
K
502
E
K
K
1_555
metalc
3.419
A
GLY
156
A
O
GLY
107
1_555
A
K
501
D
K
K
1_555
metalc
2.394
A
ASP
228
A
OD2
ASP
179
1_555
A
NA
600
B
NA
NA
1_555
metalc
2.667
A
ARG
230
A
O
ARG
181
1_555
A
NA
600
B
NA
NA
1_555
metalc
3.145
A
SER
232
A
O
SER
183
1_555
A
NA
600
B
NA
NA
1_555
METAL TRANSPORT
ion channel, potassium channel, inward rectification, sodium binding, PIP2 binding, G protein binding, METAL TRANSPORT
IRK6_MOUSE
UNP
1
52
P48542
KRKIQRYVRKDGKCNVHHGNVRETYRYLTDIFTTLVDLKWRFNLLIFVMVYTVTWLFFGMIWWLIAYIRGDMDHIEDPSW
TPCVTNLNGFVSAFLFSIETETTIGYGYRVITDKCPEGIILLLIQSVLGSIVNAFMVGCMFVKISQPKKRAETLVFSTHA
VISMRDGKLCLMFRVGDLRNSHIVEASIRAKLIKSKQTSEGEFIPLNQSDINVGYYTGDDRLFLVSPLIISHEINQQSPF
WEISKAQLPKEELEIVVILEGIVEATGMTCQARSSYITSEILWGYRFTPVLTMEDGFYEVDYNSFHETYETSTPSLSAKE
LAELANRAE
52
380
3SYA
52
380
P48542
A
1
3
331
1
expression tag
MET
50
3SYA
A
P48542
UNP
1
1
expression tag
ALA
51
3SYA
A
P48542
UNP
2
1
SER
SEE REMARK 999
THR
260
3SYA
A
P48542
UNP
260
211
1
ILE
SEE REMARK 999
MET
313
3SYA
A
P48542
UNP
313
264
1
MET
SEE REMARK 999
LEU
344
3SYA
A
P48542
UNP
344
295
1
expression tag
SER
381
3SYA
A
P48542
UNP
332
1
expression tag
ASN
382
3SYA
A
P48542
UNP
333
1
expression tag
SER
383
3SYA
A
P48542
UNP
334
1
expression tag
LEU
384
3SYA
A
P48542
UNP
335
1
expression tag
GLU
385
3SYA
A
P48542
UNP
336
1
expression tag
VAL
386
3SYA
A
P48542
UNP
337
1
expression tag
LEU
387
3SYA
A
P48542
UNP
338
1
expression tag
PHE
388
3SYA
A
P48542
UNP
339
1
expression tag
GLN
389
3SYA
A
P48542
UNP
340
3
4
4
2
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
LEU
205
A
LEU
156
A
PHE
207
A
PHE
158
A
LYS
219
A
LYS
170
A
ASP
228
A
ASP
179
A
LEU
279
A
LEU
230
A
GLU
284
A
GLU
235
A
LEU
205
A
LEU
156
A
PHE
207
A
PHE
158
A
LYS
219
A
LYS
170
A
ASP
228
A
ASP
179
A
ALA
211
A
ALA
162
A
ARG
216
A
ARG
167
A
ILE
332
A
ILE
283
A
TRP
334
A
TRP
285
A
GLN
259
A
GLN
210
A
ILE
262
A
ILE
213
A
ILE
234
A
ILE
185
A
ILE
244
A
ILE
195
A
GLU
305
A
GLU
256
A
VAL
314
A
VAL
265
A
THR
320
A
THR
271
A
ILE
328
A
ILE
279
A
LYS
247
A
LYS
198
A
GLN
248
A
GLN
199
A
PHE
254
A
PHE
205
A
ILE
255
A
ILE
206
A
TYR
336
A
TYR
287
A
PHE
338
A
PHE
289
A
THR
359
A
THR
310
A
GLU
361
A
GLU
312
A
LEU
342
A
LEU
293
A
GLU
345
A
GLU
296
A
PHE
348
A
PHE
299
A
VAL
351
A
VAL
302
BINDING SITE FOR RESIDUE NA A 600
A
NA
600
Software
3
BINDING SITE FOR RESIDUE PIO A 400
A
PIO
400
Software
8
BINDING SITE FOR RESIDUE K A 501
A
K
501
Software
8
BINDING SITE FOR RESIDUE K A 502
A
K
502
Software
16
BINDING SITE FOR RESIDUE K A 503
A
K
503
Software
16
BINDING SITE FOR RESIDUE K A 504
A
K
504
Software
8
A
ASP
228
A
ASP
179
3
1_555
A
ARG
230
A
ARG
181
3
1_555
A
SER
232
A
SER
183
3
1_555
A
LYS
64
A
LYS
15
8
1_555
A
LYS
90
A
LYS
41
8
1_555
A
TRP
91
A
TRP
42
8
1_555
A
ARG
92
A
ARG
43
8
1_555
A
LYS
194
A
LYS
145
8
1_555
A
GLN
197
A
GLN
148
8
1_555
A
LYS
199
A
LYS
150
8
1_555
A
LYS
200
A
LYS
151
8
1_555
A
GLY
156
A
GLY
107
8
2_545
A
GLY
156
A
GLY
107
8
1_555
A
GLY
156
A
GLY
107
8
4_545
A
GLY
156
A
GLY
107
8
3_445
A
K
502
E
K
8
2_545
A
K
502
E
K
8
3_445
A
K
502
E
K
8
4_545
A
K
502
E
K
8
1_555
A
ILE
155
A
ILE
106
16
2_545
A
ILE
155
A
ILE
106
16
3_445
A
ILE
155
A
ILE
106
16
4_545
A
ILE
155
A
ILE
106
16
1_555
A
GLY
156
A
GLY
107
16
4_545
A
GLY
156
A
GLY
107
16
2_545
A
GLY
156
A
GLY
107
16
3_445
A
GLY
156
A
GLY
107
16
1_555
A
K
501
D
K
16
3_445
A
K
501
D
K
16
4_545
A
K
501
D
K
16
2_545
A
K
501
D
K
16
1_555
A
K
503
F
K
16
2_545
A
K
503
F
K
16
3_445
A
K
503
F
K
16
4_545
A
K
503
F
K
16
1_555
A
THR
154
A
THR
105
16
2_545
A
THR
154
A
THR
105
16
4_545
A
THR
154
A
THR
105
16
1_555
A
THR
154
A
THR
105
16
3_445
A
ILE
155
A
ILE
106
16
4_545
A
ILE
155
A
ILE
106
16
3_445
A
ILE
155
A
ILE
106
16
2_545
A
ILE
155
A
ILE
106
16
1_555
A
K
502
E
K
16
2_545
A
K
502
E
K
16
3_445
A
K
502
E
K
16
4_545
A
K
502
E
K
16
1_555
A
K
504
G
K
16
2_545
A
K
504
G
K
16
3_445
A
K
504
G
K
16
4_545
A
K
504
G
K
16
1_555
A
THR
154
A
THR
105
8
4_545
A
THR
154
A
THR
105
8
2_545
A
THR
154
A
THR
105
8
1_555
A
THR
154
A
THR
105
8
3_445
A
K
503
F
K
8
2_545
A
K
503
F
K
8
3_445
A
K
503
F
K
8
4_545
A
K
503
F
K
8
1_555
90
P 4 21 2