0.007076
0.000000
0.000000
0.000000
0.007076
0.000000
0.000000
0.000000
0.021729
0.00000
0.00000
0.00000
Thompson, T.B.
Woodruff, T.K.
Jardetzky, T.S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
16
90.00
90.00
90.00
141.330
141.330
46.021
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
UK
EMBO J.
EMJODG
0897
0261-4189
22
1555
1566
10.1093/emboj/cdg156
12660162
Structures of an ActRIIB:activin A complex reveal a novel binding mode for
TGF-beta ligand:receptor interactions
2003
10.2210/pdb1nyu/pdb
pdb_00001nyu
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
113
1
CCD
2002-04-28
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.000
1.0
5ID-B
APS
1.000
SYNCHROTRON
APS BEAMLINE 5ID-B
12341.596
activin receptor
N-terminal Extracellular Domain (residues 19-119)
2
man
polymer
12991.865
Inhibin beta A chain
Mature Domain (residues 311-426)
2
man
polymer
Activin beta-A chain, Erythroid differentiation protein, EDF
no
no
SGRGEAETRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQ
VYFCCCEGNFCNERFTHLPEPLVPR
SGRGEAETRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQ
VYFCCCEGNFCNERFTHLPEPLVPR
A,C
polypeptide(L)
no
no
GLECDGKVNICCKKQFFVSFKDIGWNDWIIAPSGYHANYCEGECPSHIAGTSGSSLSFHSTVINHYRMRGHSPFANLKSC
CVPTKLRPMSMLYYDDGQNIIKKDIQNMIVEECGCS
GLECDGKVNICCKKQFFVSFKDIGWNDWIIAPSGYHANYCEGECPSHIAGTSGSSLSFHSTVINHYRMRGHSPFANLKSC
CVPTKLRPMSMLYYDDGQNIIKKDIQNMIVEECGCS
B,D
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Norway rat
Rattus
fall armyworm
Spodoptera
sample
actrIIb
10116
Rattus norvegicus
7108
Spodoptera frugiperda
SF+
Baculovirus
pvl1392
human
Homo
Chinese hamster
Cricetulus
sample
INHBA
9606
Homo sapiens
10029
Cricetulus griseus
BA83.6-02
1
3.45
64.11
VAPOR DIFFUSION, HANGING DROP
7.0
PEG 4000, sodium chloride, hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
295
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_ref_seq_dif
repository
Initial release
Version format compliance
Version format compliance
Database references
Refinement description
Data collection
Database references
Refinement description
1
0
2003-04-08
1
1
2008-04-29
1
2
2011-07-13
1
3
2012-05-30
1
4
2017-10-11
1
5
2023-08-16
_software.classification
_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
RCSB
Y
RCSB
2003-02-13
REL
REL
1BTE
PDB ENTRY 1BTE
PDB
experimental model
n
1
19
A
n
2
20
A
n
3
21
A
n
4
22
A
n
5
23
A
n
6
24
A
n
7
25
A
ALA
26
n
8
THR
26
A
ALA
27
n
9
ARG
27
A
GLU
28
n
10
GLU
28
A
CYS
29
n
11
CYS
29
A
ILE
30
n
12
ILE
30
A
TYR
31
n
13
TYR
31
A
TYR
32
n
14
TYR
32
A
ASN
33
n
15
ASN
33
A
ALA
34
n
16
ALA
34
A
ASN
35
n
17
ASN
35
A
TRP
36
n
18
TRP
36
A
GLU
37
n
19
GLU
37
A
LEU
38
n
20
LEU
38
A
GLU
39
n
21
GLU
39
A
ARG
40
n
22
ARG
40
A
THR
41
n
23
THR
41
A
ASN
42
n
24
ASN
42
A
GLN
43
n
25
GLN
43
A
SER
44
n
26
SER
44
A
n
27
45
A
LEU
46
n
28
LEU
46
A
GLU
47
n
29
GLU
47
A
ALA
48
n
30
ARG
48
A
CYS
49
n
31
CYS
49
A
GLU
50
n
32
GLU
50
A
GLY
51
n
33
GLY
51
A
ALA
52
n
34
GLU
52
A
GLN
53
n
35
GLN
53
A
ALA
54
n
36
ASP
54
A
LYS
55
n
37
LYS
55
A
ARG
56
n
38
ARG
56
A
LEU
57
n
39
LEU
57
A
HIS
58
n
40
HIS
58
A
CYS
59
n
41
CYS
59
A
TYR
60
n
42
TYR
60
A
ALA
61
n
43
ALA
61
A
SER
62
n
44
SER
62
A
TRP
63
n
45
TRP
63
A
ARG
64
n
46
ARG
64
A
ASN
65
n
47
ASN
65
A
ALA
66
n
48
SER
66
A
ALA
67
n
49
SER
67
A
GLY
68
n
50
GLY
68
A
THR
69
n
51
THR
69
A
ILE
70
n
52
ILE
70
A
ALA
71
n
53
GLU
71
A
LEU
72
n
54
LEU
72
A
VAL
73
n
55
VAL
73
A
LYS
74
n
56
LYS
74
A
LYS
75
n
57
LYS
75
A
GLY
76
n
58
GLY
76
A
CYS
77
n
59
CYS
77
A
TRP
78
n
60
TRP
78
A
LEU
79
n
61
LEU
79
A
ASP
80
n
62
ASP
80
A
ASP
81
n
63
ASP
81
A
PHE
82
n
64
PHE
82
A
ASN
83
n
65
ASN
83
A
CYS
84
n
66
CYS
84
A
TYR
85
n
67
TYR
85
A
ASP
86
n
68
ASP
86
A
ARG
87
n
69
ARG
87
A
ALA
88
n
70
GLN
88
A
GLU
89
n
71
GLU
89
A
CYS
90
n
72
CYS
90
A
VAL
91
n
73
VAL
91
A
ALA
92
n
74
ALA
92
A
THR
93
n
75
THR
93
A
GLU
94
n
76
GLU
94
A
ALA
95
n
77
GLU
95
A
ASN
96
n
78
ASN
96
A
PRO
97
n
79
PRO
97
A
GLN
98
n
80
GLN
98
A
VAL
99
n
81
VAL
99
A
TYR
100
n
82
TYR
100
A
PHE
101
n
83
PHE
101
A
CYS
102
n
84
CYS
102
A
CYS
103
n
85
CYS
103
A
CYS
104
n
86
CYS
104
A
GLU
105
n
87
GLU
105
A
GLY
106
n
88
GLY
106
A
ASN
107
n
89
ASN
107
A
PHE
108
n
90
PHE
108
A
CYS
109
n
91
CYS
109
A
ASN
110
n
92
ASN
110
A
GLU
111
n
93
GLU
111
A
ARG
112
n
94
ARG
112
A
PHE
113
n
95
PHE
113
A
THR
114
n
96
THR
114
A
HIS
115
n
97
HIS
115
A
LEU
116
n
98
LEU
116
A
PRO
117
n
99
PRO
117
A
ALA
118
n
100
GLU
118
A
n
101
119
A
n
102
120
A
n
103
121
A
n
104
122
A
n
105
123
A
n
1
1
B
LEU
2
n
2
LEU
2
B
ALA
3
n
3
GLU
3
B
CYS
4
n
4
CYS
4
B
ALA
5
n
5
ASP
5
B
GLY
6
n
6
GLY
6
B
ALA
7
n
7
LYS
7
B
ALA
8
n
8
VAL
8
B
n
9
9
B
ALA
10
n
10
ILE
10
B
CYS
11
n
11
CYS
11
B
CYS
12
n
12
CYS
12
B
LYS
13
n
13
LYS
13
B
ALA
14
n
14
LYS
14
B
ALA
15
n
15
GLN
15
B
PHE
16
n
16
PHE
16
B
PHE
17
n
17
PHE
17
B
VAL
18
n
18
VAL
18
B
SER
19
n
19
SER
19
B
PHE
20
n
20
PHE
20
B
LYS
21
n
21
LYS
21
B
ASP
22
n
22
ASP
22
B
ILE
23
n
23
ILE
23
B
GLY
24
n
24
GLY
24
B
TRP
25
n
25
TRP
25
B
ASN
26
n
26
ASN
26
B
ASP
27
n
27
ASP
27
B
TRP
28
n
28
TRP
28
B
ILE
29
n
29
ILE
29
B
ILE
30
n
30
ILE
30
B
ALA
31
n
31
ALA
31
B
PRO
32
n
32
PRO
32
B
SER
33
n
33
SER
33
B
GLY
34
n
34
GLY
34
B
TYR
35
n
35
TYR
35
B
HIS
36
n
36
HIS
36
B
ALA
37
n
37
ALA
37
B
ASN
38
n
38
ASN
38
B
PHE
39
n
39
TYR
39
B
CYS
40
n
40
CYS
40
B
ALA
41
n
41
GLU
41
B
GLY
42
n
42
GLY
42
B
ALA
43
n
43
GLU
43
B
CYS
44
n
44
CYS
44
B
PRO
45
n
45
PRO
45
B
SER
46
n
46
SER
46
B
HIS
47
n
47
HIS
47
B
ALA
48
n
48
ILE
48
B
n
49
49
B
n
50
50
B
n
51
51
B
n
52
52
B
n
53
53
B
n
54
54
B
n
55
55
B
n
56
56
B
n
57
57
B
n
58
58
B
n
59
59
B
n
60
60
B
n
61
61
B
n
62
62
B
n
63
63
B
n
64
64
B
n
65
65
B
n
66
66
B
n
67
67
B
n
68
68
B
n
69
69
B
n
70
70
B
n
71
71
B
n
72
72
B
n
73
73
B
n
74
74
B
n
75
75
B
n
76
76
B
ALA
77
n
77
LEU
77
B
ALA
78
n
78
LYS
78
B
ALA
79
n
79
SER
79
B
CYS
80
n
80
CYS
80
B
CYS
81
n
81
CYS
81
B
VAL
82
n
82
VAL
82
B
PRO
83
n
83
PRO
83
B
THR
84
n
84
THR
84
B
LYS
85
n
85
LYS
85
B
LEU
86
n
86
LEU
86
B
ARG
87
n
87
ARG
87
B
PRO
88
n
88
PRO
88
B
MET
89
n
89
MET
89
B
SER
90
n
90
SER
90
B
MET
91
n
91
MET
91
B
LEU
92
n
92
LEU
92
B
TYR
93
n
93
TYR
93
B
TYR
94
n
94
TYR
94
B
ASP
95
n
95
ASP
95
B
ASP
96
n
96
ASP
96
B
GLY
97
n
97
GLY
97
B
GLN
98
n
98
GLN
98
B
ASN
99
n
99
ASN
99
B
ILE
100
n
100
ILE
100
B
ILE
101
n
101
ILE
101
B
LYS
102
n
102
LYS
102
B
ALA
103
n
103
LYS
103
B
ASP
104
n
104
ASP
104
B
ILE
105
n
105
ILE
105
B
GLN
106
n
106
GLN
106
B
ASN
107
n
107
ASN
107
B
MET
108
n
108
MET
108
B
ILE
109
n
109
ILE
109
B
VAL
110
n
110
VAL
110
B
GLU
111
n
111
GLU
111
B
GLU
112
n
112
GLU
112
B
CYS
113
n
113
CYS
113
B
GLY
114
n
114
GLY
114
B
CYS
115
n
115
CYS
115
B
SER
116
n
116
SER
116
B
n
1
19
C
n
2
20
C
n
3
21
C
n
4
22
C
n
5
23
C
n
6
24
C
n
7
25
C
THR
26
n
8
THR
26
C
ARG
27
n
9
ARG
27
C
GLU
28
n
10
GLU
28
C
CYS
29
n
11
CYS
29
C
ILE
30
n
12
ILE
30
C
TYR
31
n
13
TYR
31
C
ALA
32
n
14
TYR
32
C
ASN
33
n
15
ASN
33
C
ALA
34
n
16
ALA
34
C
ASN
35
n
17
ASN
35
C
TRP
36
n
18
TRP
36
C
n
19
37
C
LEU
38
n
20
LEU
38
C
GLU
39
n
21
GLU
39
C
ALA
40
n
22
ARG
40
C
THR
41
n
23
THR
41
C
ASN
42
n
24
ASN
42
C
GLN
43
n
25
GLN
43
C
SER
44
n
26
SER
44
C
GLY
45
n
27
GLY
45
C
LEU
46
n
28
LEU
46
C
GLU
47
n
29
GLU
47
C
ARG
48
n
30
ARG
48
C
CYS
49
n
31
CYS
49
C
ALA
50
n
32
GLU
50
C
GLY
51
n
33
GLY
51
C
ALA
52
n
34
GLU
52
C
ALA
53
n
35
GLN
53
C
ALA
54
n
36
ASP
54
C
LYS
55
n
37
LYS
55
C
ALA
56
n
38
ARG
56
C
LEU
57
n
39
LEU
57
C
HIS
58
n
40
HIS
58
C
CYS
59
n
41
CYS
59
C
TYR
60
n
42
TYR
60
C
ALA
61
n
43
ALA
61
C
SER
62
n
44
SER
62
C
TRP
63
n
45
TRP
63
C
n
46
64
C
n
47
65
C
n
48
66
C
n
49
67
C
n
50
68
C
ALA
69
n
51
THR
69
C
ILE
70
n
52
ILE
70
C
ALA
71
n
53
GLU
71
C
LEU
72
n
54
LEU
72
C
VAL
73
n
55
VAL
73
C
LYS
74
n
56
LYS
74
C
LYS
75
n
57
LYS
75
C
GLY
76
n
58
GLY
76
C
CYS
77
n
59
CYS
77
C
TRP
78
n
60
TRP
78
C
LEU
79
n
61
LEU
79
C
ASP
80
n
62
ASP
80
C
n
63
81
C
PHE
82
n
64
PHE
82
C
ALA
83
n
65
ASN
83
C
ALA
84
n
66
CYS
84
C
TYR
85
n
67
TYR
85
C
n
68
86
C
n
69
87
C
n
70
88
C
GLU
89
n
71
GLU
89
C
CYS
90
n
72
CYS
90
C
VAL
91
n
73
VAL
91
C
ALA
92
n
74
ALA
92
C
ALA
93
n
75
THR
93
C
GLU
94
n
76
GLU
94
C
ALA
95
n
77
GLU
95
C
ASN
96
n
78
ASN
96
C
PRO
97
n
79
PRO
97
C
GLN
98
n
80
GLN
98
C
VAL
99
n
81
VAL
99
C
ALA
100
n
82
TYR
100
C
PHE
101
n
83
PHE
101
C
CYS
102
n
84
CYS
102
C
CYS
103
n
85
CYS
103
C
CYS
104
n
86
CYS
104
C
GLU
105
n
87
GLU
105
C
GLY
106
n
88
GLY
106
C
ASN
107
n
89
ASN
107
C
PHE
108
n
90
PHE
108
C
CYS
109
n
91
CYS
109
C
ASN
110
n
92
ASN
110
C
GLU
111
n
93
GLU
111
C
ALA
112
n
94
ARG
112
C
PHE
113
n
95
PHE
113
C
THR
114
n
96
THR
114
C
HIS
115
n
97
HIS
115
C
LEU
116
n
98
LEU
116
C
ALA
117
n
99
PRO
117
C
ALA
118
n
100
GLU
118
C
n
101
119
C
n
102
120
C
n
103
121
C
n
104
122
C
n
105
123
C
n
1
1
D
n
2
2
D
n
3
3
D
n
4
4
D
n
5
5
D
n
6
6
D
n
7
7
D
n
8
8
D
n
9
9
D
n
10
10
D
CYS
11
n
11
CYS
11
D
ALA
12
n
12
CYS
12
D
ALA
13
n
13
LYS
13
D
ALA
14
n
14
LYS
14
D
n
15
15
D
PHE
16
n
16
PHE
16
D
PHE
17
n
17
PHE
17
D
ALA
18
n
18
VAL
18
D
ALA
19
n
19
SER
19
D
n
20
20
D
n
21
21
D
n
22
22
D
n
23
23
D
n
24
24
D
n
25
25
D
n
26
26
D
n
27
27
D
n
28
28
D
ILE
29
n
29
ILE
29
D
ILE
30
n
30
ILE
30
D
ALA
31
n
31
ALA
31
D
PRO
32
n
32
PRO
32
D
SER
33
n
33
SER
33
D
GLY
34
n
34
GLY
34
D
TYR
35
n
35
TYR
35
D
ALA
36
n
36
HIS
36
D
n
37
37
D
ASN
38
n
38
ASN
38
D
ALA
39
n
39
TYR
39
D
CYS
40
n
40
CYS
40
D
ALA
41
n
41
GLU
41
D
GLY
42
n
42
GLY
42
D
ALA
43
n
43
GLU
43
D
CYS
44
n
44
CYS
44
D
PRO
45
n
45
PRO
45
D
n
46
46
D
n
47
47
D
n
48
48
D
n
49
49
D
n
50
50
D
n
51
51
D
n
52
52
D
n
53
53
D
n
54
54
D
n
55
55
D
n
56
56
D
n
57
57
D
n
58
58
D
n
59
59
D
n
60
60
D
n
61
61
D
n
62
62
D
n
63
63
D
n
64
64
D
n
65
65
D
n
66
66
D
n
67
67
D
n
68
68
D
n
69
69
D
n
70
70
D
n
71
71
D
n
72
72
D
n
73
73
D
n
74
74
D
n
75
75
D
n
76
76
D
n
77
77
D
n
78
78
D
n
79
79
D
CYS
80
n
80
CYS
80
D
CYS
81
n
81
CYS
81
D
VAL
82
n
82
VAL
82
D
PRO
83
n
83
PRO
83
D
THR
84
n
84
THR
84
D
ALA
85
n
85
LYS
85
D
ALA
86
n
86
LEU
86
D
ALA
87
n
87
ARG
87
D
PRO
88
n
88
PRO
88
D
MET
89
n
89
MET
89
D
ALA
90
n
90
SER
90
D
MET
91
n
91
MET
91
D
LEU
92
n
92
LEU
92
D
TYR
93
n
93
TYR
93
D
TYR
94
n
94
TYR
94
D
ALA
95
n
95
ASP
95
D
ALA
96
n
96
ASP
96
D
ALA
97
n
97
GLY
97
D
n
98
98
D
n
99
99
D
ILE
100
n
100
ILE
100
D
ILE
101
n
101
ILE
101
D
ALA
102
n
102
LYS
102
D
ALA
103
n
103
LYS
103
D
ASP
104
n
104
ASP
104
D
ILE
105
n
105
ILE
105
D
GLN
106
n
106
GLN
106
D
ASN
107
n
107
ASN
107
D
MET
108
n
108
MET
108
D
ILE
109
n
109
ILE
109
D
VAL
110
n
110
VAL
110
D
ALA
111
n
111
GLU
111
D
ALA
112
n
112
GLU
112
D
CYS
113
n
113
CYS
113
D
GLY
114
n
114
GLY
114
D
CYS
115
n
115
CYS
115
D
SER
116
n
116
SER
116
D
author_defined_assembly
4
tetrameric
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
CYS
29
A
N
CYS
11
A
O
GLU
47
A
O
GLU
29
A
N
TYR
32
A
N
TYR
14
A
O
LYS
75
A
O
LYS
57
A
O
TRP
78
A
O
TRP
60
A
N
HIS
58
A
N
HIS
40
A
N
CYS
59
A
N
CYS
41
A
O
CYS
104
A
O
CYS
86
A
N
ALA
92
A
N
ALA
74
A
O
THR
114
A
O
THR
96
B
N
LYS
14
B
N
LYS
14
B
O
TYR
39
B
O
TYR
39
B
N
ALA
31
B
N
ALA
31
B
O
LEU
92
B
O
LEU
92
B
N
TYR
93
B
N
TYR
93
B
O
ILE
101
B
O
ILE
101
C
O
GLY
45
C
O
GLY
27
C
N
TYR
31
C
N
TYR
13
C
N
TYR
32
C
N
TYR
14
C
O
LYS
75
C
O
LYS
57
C
O
TRP
78
C
O
TRP
60
C
N
HIS
58
C
N
HIS
40
C
N
CYS
59
C
N
CYS
41
C
O
CYS
104
C
O
CYS
86
C
N
ALA
92
C
N
ALA
74
C
O
THR
114
C
O
THR
96
D
N
LYS
14
D
N
LYS
14
D
O
TYR
39
D
O
TYR
39
D
N
MET
89
D
N
MET
89
D
O
ILE
105
D
O
ILE
105
1
A
OG1
THR
26
A
OG1
THR
8
1
Y
1
A
CG2
THR
26
A
CG2
THR
8
1
Y
1
A
CG
ARG
27
A
CG
ARG
9
1
Y
1
A
CD
ARG
27
A
CD
ARG
9
1
Y
1
A
NE
ARG
27
A
NE
ARG
9
1
Y
1
A
CZ
ARG
27
A
CZ
ARG
9
1
Y
1
A
NH1
ARG
27
A
NH1
ARG
9
1
Y
1
A
NH2
ARG
27
A
NH2
ARG
9
1
Y
1
A
CG
ARG
48
A
CG
ARG
30
1
Y
1
A
CD
ARG
48
A
CD
ARG
30
1
Y
1
A
NE
ARG
48
A
NE
ARG
30
1
Y
1
A
CZ
ARG
48
A
CZ
ARG
30
1
Y
1
A
NH1
ARG
48
A
NH1
ARG
30
1
Y
1
A
NH2
ARG
48
A
NH2
ARG
30
1
Y
1
A
CG
GLU
52
A
CG
GLU
34
1
Y
1
A
CD
GLU
52
A
CD
GLU
34
1
Y
1
A
OE1
GLU
52
A
OE1
GLU
34
1
Y
1
A
OE2
GLU
52
A
OE2
GLU
34
1
Y
1
A
CG
ASP
54
A
CG
ASP
36
1
Y
1
A
OD1
ASP
54
A
OD1
ASP
36
1
Y
1
A
OD2
ASP
54
A
OD2
ASP
36
1
Y
1
A
OG
SER
66
A
OG
SER
48
1
Y
1
A
OG
SER
67
A
OG
SER
49
1
Y
1
A
CG
GLU
71
A
CG
GLU
53
1
Y
1
A
CD
GLU
71
A
CD
GLU
53
1
Y
1
A
OE1
GLU
71
A
OE1
GLU
53
1
Y
1
A
OE2
GLU
71
A
OE2
GLU
53
1
Y
1
A
CG
GLN
88
A
CG
GLN
70
1
Y
1
A
CD
GLN
88
A
CD
GLN
70
1
Y
1
A
OE1
GLN
88
A
OE1
GLN
70
1
Y
1
A
NE2
GLN
88
A
NE2
GLN
70
1
Y
1
A
CG
GLU
95
A
CG
GLU
77
1
Y
1
A
CD
GLU
95
A
CD
GLU
77
1
Y
1
A
OE1
GLU
95
A
OE1
GLU
77
1
Y
1
A
OE2
GLU
95
A
OE2
GLU
77
1
Y
1
A
CG
GLU
118
A
CG
GLU
100
1
Y
1
A
CD
GLU
118
A
CD
GLU
100
1
Y
1
A
OE1
GLU
118
A
OE1
GLU
100
1
Y
1
A
OE2
GLU
118
A
OE2
GLU
100
1
Y
1
B
CG
GLU
3
B
CG
GLU
3
1
Y
1
B
CD
GLU
3
B
CD
GLU
3
1
Y
1
B
OE1
GLU
3
B
OE1
GLU
3
1
Y
1
B
OE2
GLU
3
B
OE2
GLU
3
1
Y
1
B
CG
ASP
5
B
CG
ASP
5
1
Y
1
B
OD1
ASP
5
B
OD1
ASP
5
1
Y
1
B
OD2
ASP
5
B
OD2
ASP
5
1
Y
1
B
CG
LYS
7
B
CG
LYS
7
1
Y
1
B
CD
LYS
7
B
CD
LYS
7
1
Y
1
B
CE
LYS
7
B
CE
LYS
7
1
Y
1
B
NZ
LYS
7
B
NZ
LYS
7
1
Y
1
B
CG1
VAL
8
B
CG1
VAL
8
1
Y
1
B
CG2
VAL
8
B
CG2
VAL
8
1
Y
1
B
CG1
ILE
10
B
CG1
ILE
10
1
Y
1
B
CG2
ILE
10
B
CG2
ILE
10
1
Y
1
B
CD1
ILE
10
B
CD1
ILE
10
1
Y
1
B
CG
LYS
14
B
CG
LYS
14
1
Y
1
B
CD
LYS
14
B
CD
LYS
14
1
Y
1
B
CE
LYS
14
B
CE
LYS
14
1
Y
1
B
NZ
LYS
14
B
NZ
LYS
14
1
Y
1
B
CG
GLN
15
B
CG
GLN
15
1
Y
1
B
CD
GLN
15
B
CD
GLN
15
1
Y
1
B
OE1
GLN
15
B
OE1
GLN
15
1
Y
1
B
NE2
GLN
15
B
NE2
GLN
15
1
Y
1
B
OH
TYR
39
B
OH
TYR
39
1
Y
1
B
CG
GLU
41
B
CG
GLU
41
1
Y
1
B
CD
GLU
41
B
CD
GLU
41
1
Y
1
B
OE1
GLU
41
B
OE1
GLU
41
1
Y
1
B
OE2
GLU
41
B
OE2
GLU
41
1
Y
1
B
CG
GLU
43
B
CG
GLU
43
1
Y
1
B
CD
GLU
43
B
CD
GLU
43
1
Y
1
B
OE1
GLU
43
B
OE1
GLU
43
1
Y
1
B
OE2
GLU
43
B
OE2
GLU
43
1
Y
1
B
CG1
ILE
48
B
CG1
ILE
48
1
Y
1
B
CG2
ILE
48
B
CG2
ILE
48
1
Y
1
B
CD1
ILE
48
B
CD1
ILE
48
1
Y
1
B
CG
LEU
77
B
CG
LEU
77
1
Y
1
B
CD1
LEU
77
B
CD1
LEU
77
1
Y
1
B
CD2
LEU
77
B
CD2
LEU
77
1
Y
1
B
CG
LYS
78
B
CG
LYS
78
1
Y
1
B
CD
LYS
78
B
CD
LYS
78
1
Y
1
B
CE
LYS
78
B
CE
LYS
78
1
Y
1
B
NZ
LYS
78
B
NZ
LYS
78
1
Y
1
B
OG
SER
79
B
OG
SER
79
1
Y
1
B
CG
LYS
103
B
CG
LYS
103
1
Y
1
B
CD
LYS
103
B
CD
LYS
103
1
Y
1
B
CE
LYS
103
B
CE
LYS
103
1
Y
1
B
NZ
LYS
103
B
NZ
LYS
103
1
Y
1
C
CG
TYR
32
C
CG
TYR
14
1
Y
1
C
CD1
TYR
32
C
CD1
TYR
14
1
Y
1
C
CD2
TYR
32
C
CD2
TYR
14
1
Y
1
C
CE1
TYR
32
C
CE1
TYR
14
1
Y
1
C
CE2
TYR
32
C
CE2
TYR
14
1
Y
1
C
CZ
TYR
32
C
CZ
TYR
14
1
Y
1
C
OH
TYR
32
C
OH
TYR
14
1
Y
1
C
CG
ARG
40
C
CG
ARG
22
1
Y
1
C
CD
ARG
40
C
CD
ARG
22
1
Y
1
C
NE
ARG
40
C
NE
ARG
22
1
Y
1
C
CZ
ARG
40
C
CZ
ARG
22
1
Y
1
C
NH1
ARG
40
C
NH1
ARG
22
1
Y
1
C
NH2
ARG
40
C
NH2
ARG
22
1
Y
1
C
CG
GLU
50
C
CG
GLU
32
1
Y
1
C
CD
GLU
50
C
CD
GLU
32
1
Y
1
C
OE1
GLU
50
C
OE1
GLU
32
1
Y
1
C
OE2
GLU
50
C
OE2
GLU
32
1
Y
1
C
CG
GLU
52
C
CG
GLU
34
1
Y
1
C
CD
GLU
52
C
CD
GLU
34
1
Y
1
C
OE1
GLU
52
C
OE1
GLU
34
1
Y
1
C
OE2
GLU
52
C
OE2
GLU
34
1
Y
1
C
CG
GLN
53
C
CG
GLN
35
1
Y
1
C
CD
GLN
53
C
CD
GLN
35
1
Y
1
C
OE1
GLN
53
C
OE1
GLN
35
1
Y
1
C
NE2
GLN
53
C
NE2
GLN
35
1
Y
1
C
CG
ASP
54
C
CG
ASP
36
1
Y
1
C
OD1
ASP
54
C
OD1
ASP
36
1
Y
1
C
OD2
ASP
54
C
OD2
ASP
36
1
Y
1
C
CG
ARG
56
C
CG
ARG
38
1
Y
1
C
CD
ARG
56
C
CD
ARG
38
1
Y
1
C
NE
ARG
56
C
NE
ARG
38
1
Y
1
C
CZ
ARG
56
C
CZ
ARG
38
1
Y
1
C
NH1
ARG
56
C
NH1
ARG
38
1
Y
1
C
NH2
ARG
56
C
NH2
ARG
38
1
Y
1
C
OG1
THR
69
C
OG1
THR
51
1
Y
1
C
CG2
THR
69
C
CG2
THR
51
1
Y
1
C
CG
GLU
71
C
CG
GLU
53
1
Y
1
C
CD
GLU
71
C
CD
GLU
53
1
Y
1
C
OE1
GLU
71
C
OE1
GLU
53
1
Y
1
C
OE2
GLU
71
C
OE2
GLU
53
1
Y
1
C
CG
ASN
83
C
CG
ASN
65
1
Y
1
C
OD1
ASN
83
C
OD1
ASN
65
1
Y
1
C
ND2
ASN
83
C
ND2
ASN
65
1
Y
1
C
SG
CYS
84
C
SG
CYS
66
1
Y
1
C
OG1
THR
93
C
OG1
THR
75
1
Y
1
C
CG2
THR
93
C
CG2
THR
75
1
Y
1
C
CG
GLU
95
C
CG
GLU
77
1
Y
1
C
CD
GLU
95
C
CD
GLU
77
1
Y
1
C
OE1
GLU
95
C
OE1
GLU
77
1
Y
1
C
OE2
GLU
95
C
OE2
GLU
77
1
Y
1
C
CG
TYR
100
C
CG
TYR
82
1
Y
1
C
CD1
TYR
100
C
CD1
TYR
82
1
Y
1
C
CD2
TYR
100
C
CD2
TYR
82
1
Y
1
C
CE1
TYR
100
C
CE1
TYR
82
1
Y
1
C
CE2
TYR
100
C
CE2
TYR
82
1
Y
1
C
CZ
TYR
100
C
CZ
TYR
82
1
Y
1
C
OH
TYR
100
C
OH
TYR
82
1
Y
1
C
CG
ARG
112
C
CG
ARG
94
1
Y
1
C
CD
ARG
112
C
CD
ARG
94
1
Y
1
C
NE
ARG
112
C
NE
ARG
94
1
Y
1
C
CZ
ARG
112
C
CZ
ARG
94
1
Y
1
C
NH1
ARG
112
C
NH1
ARG
94
1
Y
1
C
NH2
ARG
112
C
NH2
ARG
94
1
Y
1
C
CG
PRO
117
C
CG
PRO
99
1
Y
1
C
CD
PRO
117
C
CD
PRO
99
1
Y
1
C
CG
GLU
118
C
CG
GLU
100
1
Y
1
C
CD
GLU
118
C
CD
GLU
100
1
Y
1
C
OE1
GLU
118
C
OE1
GLU
100
1
Y
1
C
OE2
GLU
118
C
OE2
GLU
100
1
Y
1
D
SG
CYS
12
D
SG
CYS
12
1
Y
1
D
CG
LYS
13
D
CG
LYS
13
1
Y
1
D
CD
LYS
13
D
CD
LYS
13
1
Y
1
D
CE
LYS
13
D
CE
LYS
13
1
Y
1
D
NZ
LYS
13
D
NZ
LYS
13
1
Y
1
D
CG
LYS
14
D
CG
LYS
14
1
Y
1
D
CD
LYS
14
D
CD
LYS
14
1
Y
1
D
CE
LYS
14
D
CE
LYS
14
1
Y
1
D
NZ
LYS
14
D
NZ
LYS
14
1
Y
1
D
CG1
VAL
18
D
CG1
VAL
18
1
Y
1
D
CG2
VAL
18
D
CG2
VAL
18
1
Y
1
D
OG
SER
19
D
OG
SER
19
1
Y
1
D
CG
HIS
36
D
CG
HIS
36
1
Y
1
D
ND1
HIS
36
D
ND1
HIS
36
1
Y
1
D
CD2
HIS
36
D
CD2
HIS
36
1
Y
1
D
CE1
HIS
36
D
CE1
HIS
36
1
Y
1
D
NE2
HIS
36
D
NE2
HIS
36
1
Y
1
D
CG
TYR
39
D
CG
TYR
39
1
Y
1
D
CD1
TYR
39
D
CD1
TYR
39
1
Y
1
D
CD2
TYR
39
D
CD2
TYR
39
1
Y
1
D
CE1
TYR
39
D
CE1
TYR
39
1
Y
1
D
CE2
TYR
39
D
CE2
TYR
39
1
Y
1
D
CZ
TYR
39
D
CZ
TYR
39
1
Y
1
D
OH
TYR
39
D
OH
TYR
39
1
Y
1
D
CG
GLU
41
D
CG
GLU
41
1
Y
1
D
CD
GLU
41
D
CD
GLU
41
1
Y
1
D
OE1
GLU
41
D
OE1
GLU
41
1
Y
1
D
OE2
GLU
41
D
OE2
GLU
41
1
Y
1
D
CG
GLU
43
D
CG
GLU
43
1
Y
1
D
CD
GLU
43
D
CD
GLU
43
1
Y
1
D
OE1
GLU
43
D
OE1
GLU
43
1
Y
1
D
OE2
GLU
43
D
OE2
GLU
43
1
Y
1
D
CG
LYS
85
D
CG
LYS
85
1
Y
1
D
CD
LYS
85
D
CD
LYS
85
1
Y
1
D
CE
LYS
85
D
CE
LYS
85
1
Y
1
D
NZ
LYS
85
D
NZ
LYS
85
1
Y
1
D
CG
LEU
86
D
CG
LEU
86
1
Y
1
D
CD1
LEU
86
D
CD1
LEU
86
1
Y
1
D
CD2
LEU
86
D
CD2
LEU
86
1
Y
1
D
CG
ARG
87
D
CG
ARG
87
1
Y
1
D
CD
ARG
87
D
CD
ARG
87
1
Y
1
D
NE
ARG
87
D
NE
ARG
87
1
Y
1
D
CZ
ARG
87
D
CZ
ARG
87
1
Y
1
D
NH1
ARG
87
D
NH1
ARG
87
1
Y
1
D
NH2
ARG
87
D
NH2
ARG
87
1
Y
1
D
OG
SER
90
D
OG
SER
90
1
Y
1
D
CG
ASP
95
D
CG
ASP
95
1
Y
1
D
OD1
ASP
95
D
OD1
ASP
95
1
Y
1
D
OD2
ASP
95
D
OD2
ASP
95
1
Y
1
D
CG
ASP
96
D
CG
ASP
96
1
Y
1
D
OD1
ASP
96
D
OD1
ASP
96
1
Y
1
D
OD2
ASP
96
D
OD2
ASP
96
1
Y
1
D
CG
LYS
102
D
CG
LYS
102
1
Y
1
D
CD
LYS
102
D
CD
LYS
102
1
Y
1
D
CE
LYS
102
D
CE
LYS
102
1
Y
1
D
NZ
LYS
102
D
NZ
LYS
102
1
Y
1
D
CG
LYS
103
D
CG
LYS
103
1
Y
1
D
CD
LYS
103
D
CD
LYS
103
1
Y
1
D
CE
LYS
103
D
CE
LYS
103
1
Y
1
D
NZ
LYS
103
D
NZ
LYS
103
1
Y
1
D
CG
GLU
111
D
CG
GLU
111
1
Y
1
D
CD
GLU
111
D
CD
GLU
111
1
Y
1
D
OE1
GLU
111
D
OE1
GLU
111
1
Y
1
D
OE2
GLU
111
D
OE2
GLU
111
1
Y
1
D
CG
GLU
112
D
CG
GLU
112
1
Y
1
D
CD
GLU
112
D
CD
GLU
112
1
Y
1
D
OE1
GLU
112
D
OE1
GLU
112
1
Y
1
D
OE2
GLU
112
D
OE2
GLU
112
1
Y
1
A
SER
19
A
SER
1
1
Y
1
A
GLY
20
A
GLY
2
1
Y
1
A
ARG
21
A
ARG
3
1
Y
1
A
GLY
22
A
GLY
4
1
Y
1
A
GLU
23
A
GLU
5
1
Y
1
A
ALA
24
A
ALA
6
1
Y
1
A
GLU
25
A
GLU
7
1
Y
1
A
GLY
45
A
GLY
27
1
Y
1
A
PRO
119
A
PRO
101
1
Y
1
A
LEU
120
A
LEU
102
1
Y
1
A
VAL
121
A
VAL
103
1
Y
1
A
PRO
122
A
PRO
104
1
Y
1
A
ARG
123
A
ARG
105
1
Y
1
B
GLY
1
B
GLY
1
1
Y
1
B
ASN
9
B
ASN
9
1
Y
1
B
ALA
49
B
ALA
49
1
Y
1
B
GLY
50
B
GLY
50
1
Y
1
B
THR
51
B
THR
51
1
Y
1
B
SER
52
B
SER
52
1
Y
1
B
GLY
53
B
GLY
53
1
Y
1
B
SER
54
B
SER
54
1
Y
1
B
SER
55
B
SER
55
1
Y
1
B
LEU
56
B
LEU
56
1
Y
1
B
SER
57
B
SER
57
1
Y
1
B
PHE
58
B
PHE
58
1
Y
1
B
HIS
59
B
HIS
59
1
Y
1
B
SER
60
B
SER
60
1
Y
1
B
THR
61
B
THR
61
1
Y
1
B
VAL
62
B
VAL
62
1
Y
1
B
ILE
63
B
ILE
63
1
Y
1
B
ASN
64
B
ASN
64
1
Y
1
B
HIS
65
B
HIS
65
1
Y
1
B
TYR
66
B
TYR
66
1
Y
1
B
ARG
67
B
ARG
67
1
Y
1
B
MET
68
B
MET
68
1
Y
1
B
ARG
69
B
ARG
69
1
Y
1
B
GLY
70
B
GLY
70
1
Y
1
B
HIS
71
B
HIS
71
1
Y
1
B
SER
72
B
SER
72
1
Y
1
B
PRO
73
B
PRO
73
1
Y
1
B
PHE
74
B
PHE
74
1
Y
1
B
ALA
75
B
ALA
75
1
Y
1
B
ASN
76
B
ASN
76
1
Y
1
C
SER
19
C
SER
1
1
Y
1
C
GLY
20
C
GLY
2
1
Y
1
C
ARG
21
C
ARG
3
1
Y
1
C
GLY
22
C
GLY
4
1
Y
1
C
GLU
23
C
GLU
5
1
Y
1
C
ALA
24
C
ALA
6
1
Y
1
C
GLU
25
C
GLU
7
1
Y
1
C
GLU
37
C
GLU
19
1
Y
1
C
ARG
64
C
ARG
46
1
Y
1
C
ASN
65
C
ASN
47
1
Y
1
C
SER
66
C
SER
48
1
Y
1
C
SER
67
C
SER
49
1
Y
1
C
GLY
68
C
GLY
50
1
Y
1
C
ASP
81
C
ASP
63
1
Y
1
C
ASP
86
C
ASP
68
1
Y
1
C
ARG
87
C
ARG
69
1
Y
1
C
GLN
88
C
GLN
70
1
Y
1
C
PRO
119
C
PRO
101
1
Y
1
C
LEU
120
C
LEU
102
1
Y
1
C
VAL
121
C
VAL
103
1
Y
1
C
PRO
122
C
PRO
104
1
Y
1
C
ARG
123
C
ARG
105
1
Y
1
D
GLY
1
D
GLY
1
1
Y
1
D
LEU
2
D
LEU
2
1
Y
1
D
GLU
3
D
GLU
3
1
Y
1
D
CYS
4
D
CYS
4
1
Y
1
D
ASP
5
D
ASP
5
1
Y
1
D
GLY
6
D
GLY
6
1
Y
1
D
LYS
7
D
LYS
7
1
Y
1
D
VAL
8
D
VAL
8
1
Y
1
D
ASN
9
D
ASN
9
1
Y
1
D
ILE
10
D
ILE
10
1
Y
1
D
GLN
15
D
GLN
15
1
Y
1
D
PHE
20
D
PHE
20
1
Y
1
D
LYS
21
D
LYS
21
1
Y
1
D
ASP
22
D
ASP
22
1
Y
1
D
ILE
23
D
ILE
23
1
Y
1
D
GLY
24
D
GLY
24
1
Y
1
D
TRP
25
D
TRP
25
1
Y
1
D
ASN
26
D
ASN
26
1
Y
1
D
ASP
27
D
ASP
27
1
Y
1
D
TRP
28
D
TRP
28
1
Y
1
D
ALA
37
D
ALA
37
1
Y
1
D
SER
46
D
SER
46
1
Y
1
D
HIS
47
D
HIS
47
1
Y
1
D
ILE
48
D
ILE
48
1
Y
1
D
ALA
49
D
ALA
49
1
Y
1
D
GLY
50
D
GLY
50
1
Y
1
D
THR
51
D
THR
51
1
Y
1
D
SER
52
D
SER
52
1
Y
1
D
GLY
53
D
GLY
53
1
Y
1
D
SER
54
D
SER
54
1
Y
1
D
SER
55
D
SER
55
1
Y
1
D
LEU
56
D
LEU
56
1
Y
1
D
SER
57
D
SER
57
1
Y
1
D
PHE
58
D
PHE
58
1
Y
1
D
HIS
59
D
HIS
59
1
Y
1
D
SER
60
D
SER
60
1
Y
1
D
THR
61
D
THR
61
1
Y
1
D
VAL
62
D
VAL
62
1
Y
1
D
ILE
63
D
ILE
63
1
Y
1
D
ASN
64
D
ASN
64
1
Y
1
D
HIS
65
D
HIS
65
1
Y
1
D
TYR
66
D
TYR
66
1
Y
1
D
ARG
67
D
ARG
67
1
Y
1
D
MET
68
D
MET
68
1
Y
1
D
ARG
69
D
ARG
69
1
Y
1
D
GLY
70
D
GLY
70
1
Y
1
D
HIS
71
D
HIS
71
1
Y
1
D
SER
72
D
SER
72
1
Y
1
D
PRO
73
D
PRO
73
1
Y
1
D
PHE
74
D
PHE
74
1
Y
1
D
ALA
75
D
ALA
75
1
Y
1
D
ASN
76
D
ASN
76
1
Y
1
D
LEU
77
D
LEU
77
1
Y
1
D
LYS
78
D
LYS
78
1
Y
1
D
SER
79
D
SER
79
1
Y
1
D
GLN
98
D
GLN
98
1
Y
1
D
ASN
99
D
ASN
99
1
Y
1
D
D
N
O
ILE
LEU
30
92
1.97
1
C
C
O
OD1
THR
ASN
26
107
2.08
1
-11.34
1.80
114.00
102.66
A
A
A
CA
CB
SG
CYS
CYS
CYS
29
29
29
N
1
-11.09
1.80
114.00
102.91
A
A
A
CA
CB
SG
CYS
CYS
CYS
59
59
59
N
1
9.87
1.50
119.30
129.17
A
A
A
C
N
CA
LEU
PRO
PRO
116
117
117
Y
1
17.82
2.70
111.00
128.82
B
B
B
N
CA
C
SER
SER
SER
46
46
46
N
1
-19.87
2.70
111.00
91.13
D
D
D
N
CA
C
ASP
ASP
ASP
104
104
104
N
1
17.52
2.70
111.00
128.52
D
D
D
N
CA
C
SER
SER
SER
116
116
116
N
1
C
C
OE2
OE2
GLU
GLU
111
111
1.55
1_555
7_555
1
A
A
OE2
OE2
GLU
GLU
111
111
1.92
1_555
7_556
1
A
A
NZ
OE1
LYS
GLU
75
111
2.12
1_555
7_556
1
A
ARG
40
43.01
71.88
1
A
ASP
54
53.48
72.00
1
A
ASN
65
-114.19
75.74
1
A
VAL
73
-126.52
-74.23
1
A
ASP
80
-23.08
113.37
1
A
ASP
86
58.12
10.66
1
B
ASP
5
-166.11
-167.19
1
C
GLN
53
-35.23
-98.27
1
D
ALA
31
-170.97
145.77
1
D
ASP
96
44.59
71.91
1
D
ASN
107
47.89
81.97
1
D
CYS
113
-89.84
-151.24
PROTEIN_REP.PARAM
PROTEIN.TOP
95.8
3.06
0.00
0.00
3.06
0.00
-6.11
0.291
0.011
0.268
0.269
0.268
3.10
14.99
657
8777
7.5
99.5
RANDOM
1
RESTRAINED
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
PDB ENTRY 1BTE
FLAT MODEL
34.2202
0.262393
0.49
0.40
5.00
0.49
0.39
3.10
14.99
0
2375
0
0
2375
0.010
2.1
28.0
1.02
0.348
0.034
0.312
3.29
107
1329
1436
6
7.5
100.0
95.8
3.10
14.99
1NYU
8777
0.083
1
31.1
14.5
99.5
0.437
3.10
3.15
5.9
1
refinement
CNS
1.1
data collection
MAR345
data scaling
SCALEPACK
phasing
BRUTE
phasing
BEAST
phasing
CNS
Crystal Structure of Activin A Bound to the ECD of ActRIIB
1
N
N
2
N
N
1
N
N
2
N
N
B
LYS
21
B
LYS
21
HELX_P
B
GLY
24
B
GLY
24
5
1
4
C
PHE
108
C
PHE
90
HELX_P
C
ARG
112
C
ARG
94
5
2
5
disulf
1.980
A
CYS
29
A
SG
CYS
11
1_555
A
CYS
59
A
SG
CYS
41
1_555
disulf
2.049
A
CYS
49
A
SG
CYS
31
1_555
A
CYS
77
A
SG
CYS
59
1_555
disulf
2.020
A
CYS
84
A
SG
CYS
66
1_555
A
CYS
103
A
SG
CYS
85
1_555
disulf
2.040
A
CYS
90
A
SG
CYS
72
1_555
A
CYS
102
A
SG
CYS
84
1_555
disulf
2.028
A
CYS
104
A
SG
CYS
86
1_555
A
CYS
109
A
SG
CYS
91
1_555
disulf
2.023
B
CYS
4
B
SG
CYS
4
1_555
B
CYS
12
B
SG
CYS
12
1_555
disulf
2.021
B
CYS
11
B
SG
CYS
11
1_555
B
CYS
81
B
SG
CYS
81
1_555
disulf
2.027
B
CYS
40
B
SG
CYS
40
1_555
B
CYS
113
B
SG
CYS
113
1_555
disulf
2.041
B
CYS
44
B
SG
CYS
44
1_555
B
CYS
115
B
SG
CYS
115
1_555
disulf
2.028
B
CYS
80
B
SG
CYS
80
1_555
D
CYS
80
D
SG
CYS
80
1_555
disulf
2.013
C
CYS
29
C
SG
CYS
11
1_555
C
CYS
59
C
SG
CYS
41
1_555
disulf
2.033
C
CYS
49
C
SG
CYS
31
1_555
C
CYS
77
C
SG
CYS
59
1_555
disulf
2.034
C
CYS
90
C
SG
CYS
72
1_555
C
CYS
102
C
SG
CYS
84
1_555
disulf
2.033
C
CYS
104
C
SG
CYS
86
1_555
C
CYS
109
C
SG
CYS
91
1_555
disulf
2.023
D
CYS
11
D
SG
CYS
11
1_555
D
CYS
81
D
SG
CYS
81
1_555
disulf
2.025
D
CYS
40
D
SG
CYS
40
1_555
D
CYS
113
D
SG
CYS
113
1_555
disulf
2.025
D
CYS
44
D
SG
CYS
44
1_555
D
CYS
115
D
SG
CYS
115
1_555
MEMBRANE PROTEIN/HORMONE/GROWTH FACTOR
ACTIVIN, TYPE II, TGF BETA, ACTRIIB, EXTRACELLULAR DOMAIN, MEMBRANE PROTEIN-HORMONE-GROWTH FACTOR COMPLEX
B
ALA
31
B
ALA
31
1
B
PRO
32
B
PRO
32
0.34
D
ALA
31
D
ALA
31
1
D
PRO
32
D
PRO
32
-1.21
AVR2B_RAT
UNP
1
19
P38445
SGRGEAETRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQ
VYFCCCEGNFCNERFTHLPEP
INHBA_HUMAN
UNP
2
311
P08476
19
119
1NYU
19
119
P38445
A
1
1
101
311
426
1NYU
1
116
P08476
B
2
1
116
19
119
1NYU
19
119
P38445
C
1
1
101
311
426
1NYU
1
116
P08476
D
2
1
116
1
expression tag
LEU
120
1NYU
A
P38445
UNP
102
1
expression tag
VAL
121
1NYU
A
P38445
UNP
103
1
expression tag
PRO
122
1NYU
A
P38445
UNP
104
1
expression tag
ARG
123
1NYU
A
P38445
UNP
105
3
expression tag
LEU
120
1NYU
C
P38445
UNP
102
3
expression tag
VAL
121
1NYU
C
P38445
UNP
103
3
expression tag
PRO
122
1NYU
C
P38445
UNP
104
3
expression tag
ARG
123
1NYU
C
P38445
UNP
105
2
4
2
2
3
5
2
2
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
A
GLU
28
A
GLU
10
A
CYS
29
A
CYS
11
A
GLU
47
A
GLU
29
A
ARG
48
A
ARG
30
A
TYR
32
A
TYR
14
A
ASN
33
A
ASN
15
A
ILE
70
A
ILE
52
A
LEU
79
A
LEU
61
A
LEU
57
A
LEU
39
A
ASN
65
A
ASN
47
A
TYR
100
A
TYR
82
A
CYS
104
A
CYS
86
A
VAL
91
A
VAL
73
A
ALA
92
A
ALA
74
A
THR
114
A
THR
96
A
HIS
115
A
HIS
97
B
CYS
12
B
CYS
12
B
SER
19
B
SER
19
B
GLY
34
B
GLY
34
B
GLU
41
B
GLU
41
B
ILE
29
B
ILE
29
B
ALA
31
B
ALA
31
B
CYS
81
B
CYS
81
B
ASP
95
B
ASP
95
B
ASN
99
B
ASN
99
B
CYS
115
B
CYS
115
C
SER
44
C
SER
26
C
ARG
48
C
ARG
30
C
GLU
28
C
GLU
10
C
ASN
33
C
ASN
15
C
LYS
74
C
LYS
56
C
LEU
79
C
LEU
61
C
LEU
57
C
LEU
39
C
TRP
63
C
TRP
45
C
TYR
100
C
TYR
82
C
CYS
104
C
CYS
86
C
VAL
91
C
VAL
73
C
ALA
92
C
ALA
74
C
THR
114
C
THR
96
C
HIS
115
C
HIS
97
D
LYS
13
D
LYS
13
D
LYS
14
D
LYS
14
D
TYR
39
D
TYR
39
D
CYS
40
D
CYS
40
D
LYS
85
D
LYS
85
D
TYR
93
D
TYR
93
D
ILE
101
D
ILE
101
D
GLU
112
D
GLU
112
92
P 41 21 2