1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Bondarenko, V.
Mowrey, D.
Tillman, T.
Cui, T.
Liu, L.T.
Xu, Y.
Tang, P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
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
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
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
N
N
181
S
C
N
182
N
C
N
183
N
O
N
184
N
C
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
O
N
189
N
H
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
N
N
203
S
C
N
204
N
C
N
205
N
O
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
N
N
211
N
O
N
212
N
H
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
N
N
228
S
C
N
229
N
C
N
230
N
O
N
231
N
C
N
232
N
C
N
233
N
S
N
234
N
C
N
235
N
O
N
236
N
H
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
N
N
248
S
C
N
249
N
C
N
250
N
O
N
251
N
C
Y
252
N
C
Y
253
N
C
Y
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
N
258
N
O
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
N
C
N
275
N
C
N
276
N
C
N
277
N
O
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
N
N
288
S
C
N
289
N
C
N
290
N
O
N
291
N
C
N
292
N
O
N
293
N
O
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
N
N
302
S
C
N
303
N
C
N
304
N
O
N
305
R
C
N
306
N
O
N
307
N
C
N
308
N
O
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
N
N
319
S
C
N
320
N
C
N
321
N
O
N
322
N
C
Y
323
N
C
Y
324
N
C
Y
325
N
C
Y
326
N
N
Y
327
N
C
Y
328
N
C
Y
329
N
C
Y
330
N
C
Y
331
N
C
N
332
N
O
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
N
N
346
S
C
N
347
N
C
N
348
N
O
N
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
N
356
N
O
N
357
N
O
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
H
N
369
N
N
N
370
S
C
N
371
N
C
N
372
N
O
N
373
N
C
N
374
N
C
N
375
N
C
N
376
N
O
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
H
N
386
N
H
N
387
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
doub
N
265
N
sing
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
sing
N
293
N
sing
N
294
N
doub
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
doub
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
Y
315
N
doub
Y
316
N
sing
Y
317
N
sing
N
318
N
sing
Y
319
N
doub
Y
320
N
sing
Y
321
N
sing
N
322
N
sing
Y
323
N
sing
Y
324
N
doub
N
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
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
doub
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
Y
343
N
doub
Y
344
N
sing
Y
345
N
sing
N
346
N
sing
Y
347
N
doub
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
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
sing
N
361
N
sing
N
362
N
doub
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
NE
Biochim.Biophys.Acta
BBACAQ
0113
0006-3002
1818
1261
1268
10.1016/j.bbamem.2012.02.008
22361591
NMR structures of the transmembrane domains of the a4b2 nAChR.
2012
10.2210/pdb2lm2/pdb
pdb_00002lm2
10.13018/BMR18096
15085.798
Neuronal acetylcholine receptor subunit beta-2
Helical transmembrane region, residues 234-330 and residues 458-484
R231E, R232E, K233E, L292S, V294S, L296S, K299E, T327E
1
man
polymer
no
no
SNAEEEPLFYTINLIIPCVLITSLAILVFYLPSDCGEKMTLCISVLLALTVFLLLISKIVPPTSSDSPSVGEYLMFTMVL
VTFSIVTSVCVLNVHHRSPETHTGGGGGIDRLFLWIFVFVCVFGTIGMFLQPLFQEE
SNAEEEPLFYTINLIIPCVLITSLAILVFYLPSDCGEKMTLCISVLLALTVFLLLISKIVPPTSSDSPSVGEYLMFTMVL
VTFSIVTSVCVLNVHHRSPETHTGGGGGIDRLFLWIFVFVCVFGTIGMFLQPLFQEE
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
human
sample
CHRNB2
9606
Homo sapiens
562
Escherichia coli
pTBSG1
database_2
pdbx_database_status
pdbx_nmr_spectrometer
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Data collection
Database references
Other
Data collection
Database references
1
0
2012-03-28
1
1
2023-06-14
1
2
2024-05-15
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_nmr_data
_pdbx_nmr_spectrometer.model
_struct_ref_seq_dif.details
_database_2.pdbx_DOI
BMRB
Y
RCSB
2011-11-18
REL
REL
REL
REL
766
328
35
114
289
292
0
0
92
92
structures with the lowest energy
100
20
3D 1H-15N NOESY
3D 1H-15N NOESY
3D 1H-13C NOESY
3D HNCA
3D HN(CO)CA
3D HNCO
2D 1H-15N HSQC
2D 1H-13C HSQC
0.25
mM
[U-100% 13C; U-100% 15N]
5
mM
1.5
%
0.1
mM
5
%
[U-100% 2H]
10
mM
20
mM
4.65
ambient
318
K
simulated annealing
1
closest to the average
0.25 mM [U-100% 13C; U-100% 15N] protein, 5 mM sodium acetate, 1.5 % LDAO, 0.1 mM DSS, 5 % [U-100% 2H] D2O, 10 mM sodium chloride, 20 mM beta-mercaptoethanol, 95% H2O/5% D2O
95% H2O/5% D2O
Guntert, Mumenthaler and Wuthrich
structure solution
CYANA
3.0
Guntert, Mumenthaler and Wuthrich
refinement
CYANA
3.0
600
Bruker
AVANCE
Bruker Avance
700
Bruker
AVANCE
Bruker Avance
800
Bruker
AVANCE
Bruker Avance
900
Bruker
AVANCE
Bruker Avance
n
1
1
A
ASN
2
n
2
ASN
2
A
ALA
3
n
3
ALA
3
A
GLU
4
n
4
GLU
4
A
GLU
5
n
5
GLU
5
A
GLU
6
n
6
GLU
6
A
PRO
7
n
7
PRO
7
A
LEU
8
n
8
LEU
8
A
PHE
9
n
9
PHE
9
A
TYR
10
n
10
TYR
10
A
THR
11
n
11
THR
11
A
ILE
12
n
12
ILE
12
A
ASN
13
n
13
ASN
13
A
LEU
14
n
14
LEU
14
A
ILE
15
n
15
ILE
15
A
ILE
16
n
16
ILE
16
A
PRO
17
n
17
PRO
17
A
CYS
18
n
18
CYS
18
A
VAL
19
n
19
VAL
19
A
LEU
20
n
20
LEU
20
A
ILE
21
n
21
ILE
21
A
THR
22
n
22
THR
22
A
SER
23
n
23
SER
23
A
LEU
24
n
24
LEU
24
A
ALA
25
n
25
ALA
25
A
ILE
26
n
26
ILE
26
A
LEU
27
n
27
LEU
27
A
VAL
28
n
28
VAL
28
A
PHE
29
n
29
PHE
29
A
TYR
30
n
30
TYR
30
A
LEU
31
n
31
LEU
31
A
PRO
32
n
32
PRO
32
A
SER
33
n
33
SER
33
A
ASP
34
n
34
ASP
34
A
CYS
35
n
35
CYS
35
A
GLY
36
n
36
GLY
36
A
GLU
37
n
37
GLU
37
A
LYS
38
n
38
LYS
38
A
MET
39
n
39
MET
39
A
THR
40
n
40
THR
40
A
LEU
41
n
41
LEU
41
A
CYS
42
n
42
CYS
42
A
ILE
43
n
43
ILE
43
A
SER
44
n
44
SER
44
A
VAL
45
n
45
VAL
45
A
LEU
46
n
46
LEU
46
A
LEU
47
n
47
LEU
47
A
ALA
48
n
48
ALA
48
A
LEU
49
n
49
LEU
49
A
THR
50
n
50
THR
50
A
VAL
51
n
51
VAL
51
A
PHE
52
n
52
PHE
52
A
LEU
53
n
53
LEU
53
A
LEU
54
n
54
LEU
54
A
LEU
55
n
55
LEU
55
A
ILE
56
n
56
ILE
56
A
SER
57
n
57
SER
57
A
LYS
58
n
58
LYS
58
A
ILE
59
n
59
ILE
59
A
VAL
60
n
60
VAL
60
A
PRO
61
n
61
PRO
61
A
PRO
62
n
62
PRO
62
A
THR
63
n
63
THR
63
A
SER
64
n
64
SER
64
A
SER
65
n
65
SER
65
A
ASP
66
n
66
ASP
66
A
SER
67
n
67
SER
67
A
PRO
68
n
68
PRO
68
A
SER
69
n
69
SER
69
A
VAL
70
n
70
VAL
70
A
GLY
71
n
71
GLY
71
A
GLU
72
n
72
GLU
72
A
TYR
73
n
73
TYR
73
A
LEU
74
n
74
LEU
74
A
MET
75
n
75
MET
75
A
PHE
76
n
76
PHE
76
A
THR
77
n
77
THR
77
A
MET
78
n
78
MET
78
A
VAL
79
n
79
VAL
79
A
LEU
80
n
80
LEU
80
A
VAL
81
n
81
VAL
81
A
THR
82
n
82
THR
82
A
PHE
83
n
83
PHE
83
A
SER
84
n
84
SER
84
A
ILE
85
n
85
ILE
85
A
VAL
86
n
86
VAL
86
A
THR
87
n
87
THR
87
A
SER
88
n
88
SER
88
A
VAL
89
n
89
VAL
89
A
CYS
90
n
90
CYS
90
A
VAL
91
n
91
VAL
91
A
LEU
92
n
92
LEU
92
A
ASN
93
n
93
ASN
93
A
VAL
94
n
94
VAL
94
A
HIS
95
n
95
HIS
95
A
HIS
96
n
96
HIS
96
A
ARG
97
n
97
ARG
97
A
SER
98
n
98
SER
98
A
PRO
99
n
99
PRO
99
A
GLU
100
n
100
GLU
100
A
THR
101
n
101
THR
101
A
HIS
102
n
102
HIS
102
A
THR
103
n
103
THR
103
A
GLY
104
n
104
GLY
104
A
GLY
105
n
105
GLY
105
A
GLY
106
n
106
GLY
106
A
GLY
107
n
107
GLY
107
A
GLY
108
n
108
GLY
108
A
ILE
109
n
109
ILE
109
A
ASP
110
n
110
ASP
110
A
ARG
111
n
111
ARG
111
A
LEU
112
n
112
LEU
112
A
PHE
113
n
113
PHE
113
A
LEU
114
n
114
LEU
114
A
TRP
115
n
115
TRP
115
A
ILE
116
n
116
ILE
116
A
PHE
117
n
117
PHE
117
A
VAL
118
n
118
VAL
118
A
PHE
119
n
119
PHE
119
A
VAL
120
n
120
VAL
120
A
CYS
121
n
121
CYS
121
A
VAL
122
n
122
VAL
122
A
PHE
123
n
123
PHE
123
A
GLY
124
n
124
GLY
124
A
THR
125
n
125
THR
125
A
ILE
126
n
126
ILE
126
A
GLY
127
n
127
GLY
127
A
MET
128
n
128
MET
128
A
PHE
129
n
129
PHE
129
A
LEU
130
n
130
LEU
130
A
GLN
131
n
131
GLN
131
A
PRO
132
n
132
PRO
132
A
LEU
133
n
133
LEU
133
A
PHE
134
n
134
PHE
134
A
GLN
135
n
135
GLN
135
A
GLU
136
n
136
GLU
136
A
GLU
137
n
137
GLU
137
A
author_defined_assembly
1
monomeric
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
A
SER
1
A
SER
1
1
Y
2
A
SER
1
A
SER
1
1
Y
3
A
SER
1
A
SER
1
1
Y
4
A
SER
1
A
SER
1
1
Y
5
A
SER
1
A
SER
1
1
Y
6
A
SER
1
A
SER
1
1
Y
7
A
SER
1
A
SER
1
1
Y
8
A
SER
1
A
SER
1
1
Y
9
A
SER
1
A
SER
1
1
Y
10
A
SER
1
A
SER
1
1
Y
11
A
SER
1
A
SER
1
1
Y
12
A
SER
1
A
SER
1
1
Y
13
A
SER
1
A
SER
1
1
Y
14
A
SER
1
A
SER
1
1
Y
15
A
SER
1
A
SER
1
1
Y
16
A
SER
1
A
SER
1
1
Y
17
A
SER
1
A
SER
1
1
Y
18
A
SER
1
A
SER
1
1
Y
19
A
SER
1
A
SER
1
1
Y
20
A
SER
1
A
SER
1
1
Y
1
A
LEU
31
-116.07
71.69
1
A
PRO
32
-69.72
81.58
1
A
ASP
34
60.80
-177.19
1
A
VAL
60
64.93
75.07
1
A
SER
64
-156.97
27.28
1
A
ARG
97
59.56
176.32
1
A
HIS
102
-61.35
-172.29
1
A
PHE
134
-174.77
-178.22
1
A
GLU
136
-108.46
63.61
2
A
PRO
32
-69.73
97.15
2
A
ILE
59
65.94
108.46
2
A
VAL
60
-157.45
69.26
2
A
SER
64
-59.67
99.08
2
A
HIS
95
-155.40
-54.70
2
A
HIS
96
60.03
97.35
2
A
PHE
134
-174.65
-179.20
2
A
GLU
136
-104.01
56.12
3
A
PRO
32
-69.73
85.38
3
A
SER
67
61.91
71.81
3
A
HIS
96
58.07
77.39
3
A
ARG
97
62.03
-176.80
3
A
PHE
134
-177.93
-177.59
3
A
GLU
136
-92.41
51.51
4
A
ALA
3
-164.31
43.96
4
A
LEU
31
-119.90
68.68
4
A
PRO
32
-69.83
80.55
4
A
SER
65
62.33
177.99
4
A
ASN
93
-178.70
134.40
4
A
THR
103
-145.71
55.14
4
A
GLU
136
58.45
82.18
5
A
PRO
32
-69.75
83.69
5
A
SER
65
-57.61
171.59
5
A
PRO
68
-69.81
-175.44
5
A
SER
69
-132.28
-60.91
5
A
VAL
94
-171.56
141.07
5
A
THR
101
-69.56
99.41
5
A
GLU
136
56.53
73.49
6
A
GLU
6
178.55
-59.24
6
A
ILE
59
65.93
110.86
6
A
THR
63
-170.39
-38.31
6
A
ASP
66
-171.58
-41.17
6
A
ARG
97
62.02
175.37
7
A
SER
64
-172.02
147.51
7
A
SER
67
-152.18
69.68
7
A
THR
101
-174.92
86.85
7
A
PHE
134
-171.30
-178.03
7
A
GLU
136
59.84
78.06
8
A
GLU
6
178.52
-59.19
8
A
LEU
31
-116.00
71.02
8
A
SER
65
-178.24
114.90
8
A
ASP
66
58.81
91.97
8
A
SER
67
60.14
72.26
8
A
ASN
93
-172.26
125.74
8
A
HIS
95
-165.93
-49.50
8
A
ARG
97
-145.78
24.39
8
A
PHE
134
-173.07
-179.21
8
A
GLU
136
56.78
77.55
9
A
GLU
5
60.91
94.87
9
A
GLU
6
178.55
-59.17
9
A
SER
64
-166.76
79.66
9
A
SER
65
-122.00
-67.97
9
A
PRO
68
-69.80
-179.37
9
A
SER
69
-143.68
-68.69
9
A
HIS
95
-172.47
132.59
9
A
GLU
136
55.26
90.89
10
A
LEU
31
-118.71
70.44
10
A
ILE
59
66.13
149.31
10
A
SER
64
-178.98
-171.13
10
A
ASP
66
-179.13
-177.66
10
A
SER
69
63.01
89.91
10
A
HIS
95
-163.63
118.30
10
A
HIS
102
-127.31
-73.74
10
A
PHE
134
-173.05
-179.06
10
A
GLU
136
56.21
85.12
11
A
ILE
59
65.91
111.77
11
A
VAL
60
-119.18
73.04
11
A
THR
63
-161.78
31.02
11
A
SER
64
62.93
103.71
11
A
SER
65
-160.68
-72.62
11
A
HIS
95
-166.51
61.83
11
A
HIS
96
-152.28
-54.36
11
A
PHE
134
-174.53
-77.43
11
A
GLU
136
56.03
92.69
12
A
GLU
5
-99.43
42.20
12
A
GLU
100
-176.48
144.75
12
A
THR
101
-55.01
172.28
12
A
PHE
134
-174.29
-77.40
12
A
GLU
136
55.41
84.09
13
A
ASP
34
-98.48
45.32
13
A
ILE
59
-119.81
62.18
13
A
SER
65
-164.16
-73.42
13
A
ASP
66
-129.07
-53.94
13
A
SER
67
-117.44
70.33
13
A
ASN
93
-174.92
149.13
13
A
SER
98
63.08
160.54
13
A
HIS
102
-125.37
-64.99
13
A
GLU
136
53.42
72.67
14
A
ALA
3
58.59
94.88
14
A
ASP
34
-116.54
-74.29
14
A
SER
67
-171.84
70.13
14
A
SER
69
-145.59
24.83
14
A
HIS
96
62.79
163.83
14
A
ARG
97
-170.05
124.15
14
A
GLU
136
57.97
74.96
15
A
ALA
3
-168.66
100.90
15
A
ASP
34
63.13
167.68
15
A
ILE
59
65.92
111.90
15
A
THR
63
-176.36
-37.79
15
A
ASP
66
-177.40
-42.34
15
A
HIS
96
-160.15
90.82
15
A
PHE
134
180.00
-77.67
16
A
ALA
3
-59.22
108.42
16
A
GLU
5
54.98
90.91
16
A
GLU
6
178.56
-59.20
16
A
SER
65
-124.02
-62.49
16
A
SER
67
52.46
73.06
16
A
PRO
68
-69.78
-177.92
16
A
SER
69
-139.31
-74.35
16
A
HIS
96
58.42
85.35
16
A
GLU
100
61.16
98.46
16
A
PHE
134
-172.44
-179.00
17
A
ALA
3
-156.44
70.44
17
A
ASP
34
61.08
174.08
17
A
VAL
60
-113.45
74.20
17
A
SER
67
63.02
70.88
17
A
HIS
96
62.92
171.13
17
A
GLU
136
56.10
72.72
18
A
GLU
5
62.86
104.11
18
A
GLU
6
178.57
-59.26
18
A
PRO
32
-69.75
81.10
18
A
SER
65
-170.10
-51.59
18
A
PHE
134
-171.78
-177.33
19
A
PRO
32
-69.74
96.49
19
A
VAL
60
-113.43
74.27
19
A
ASP
66
59.97
94.79
19
A
SER
67
56.04
70.88
19
A
HIS
95
-176.80
-46.51
19
A
GLU
136
55.22
89.42
20
A
ALA
3
-177.35
-49.54
20
A
PRO
32
-69.73
92.96
20
A
ASP
34
62.45
171.98
20
A
ILE
59
-119.80
63.09
20
A
THR
63
-172.25
115.13
20
A
SER
67
53.35
71.54
20
A
HIS
96
61.72
169.62
20
A
PHE
134
-173.88
-77.49
20
A
GLU
136
52.49
83.06
closest to the average, model 17
NMR structures of the transmembrane domains of the AChR b2 subunit
1
N
N
A
PRO
7
A
PRO
7
HELX_P
A
LEU
31
A
LEU
31
1
1
25
A
CYS
35
A
CYS
35
HELX_P
A
ILE
59
A
ILE
59
1
2
25
A
PRO
61
A
PRO
61
HELX_P
A
SER
65
A
SER
65
5
3
5
A
SER
69
A
SER
69
HELX_P
A
ASN
93
A
ASN
93
1
4
25
A
GLY
108
A
GLY
108
HELX_P
A
LEU
130
A
LEU
130
1
5
23
TRANSPORT PROTEIN
Acetylcholine receptor, Transmembrane domain, TRANSPORT PROTEIN
ACHB2_HUMAN
UNP
1
231
P17787
RRKPLFYTINLIIPCVLITSLAILVFYLPSDCGEKMTLCISVLLALTVFLLLISKIVPPTSLDVPLVGKYLMFTMVLVTF
SIVTSVCVLNVHHRSPTTHT
ACHB2_HUMAN
UNP
1
458
P17787
IDRLFLWIFVFVCVFGTIGMFLQPLFQNY
231
330
2LM2
4
103
P17787
A
1
4
103
458
486
2LM2
109
137
P17787
A
2
109
137
1
expression tag
SER
1
2LM2
A
P17787
UNP
1
1
expression tag
ASN
2
2LM2
A
P17787
UNP
2
1
expression tag
ALA
3
2LM2
A
P17787
UNP
3
1
ARG
engineered mutation
GLU
4
2LM2
A
P17787
UNP
231
4
1
ARG
engineered mutation
GLU
5
2LM2
A
P17787
UNP
232
5
1
LYS
engineered mutation
GLU
6
2LM2
A
P17787
UNP
233
6
1
LEU
engineered mutation
SER
65
2LM2
A
P17787
UNP
292
65
1
VAL
engineered mutation
SER
67
2LM2
A
P17787
UNP
294
67
1
LEU
engineered mutation
SER
69
2LM2
A
P17787
UNP
296
69
1
LYS
engineered mutation
GLU
72
2LM2
A
P17787
UNP
299
72
1
THR
engineered mutation
GLU
100
2LM2
A
P17787
UNP
327
100
1
linker
GLY
104
2LM2
A
P17787
UNP
104
1
linker
GLY
105
2LM2
A
P17787
UNP
105
1
linker
GLY
106
2LM2
A
P17787
UNP
106
1
linker
GLY
107
2LM2
A
P17787
UNP
107
1
linker
GLY
108
2LM2
A
P17787
UNP
108
2
ASN
engineered mutation
GLU
136
2LM2
A
P17787
UNP
485
136
2
TYR
engineered mutation
GLU
137
2LM2
A
P17787
UNP
486
137