0.020002
0.000000
0.000000
0.000000
0.013944
0.000000
0.000000
0.000000
0.011509
0.00000
0.00000
0.00000
Qin, B.Y.
Lam, S.S.
Correia, J.J.
Lin, K.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
49.995
71.716
86.886
C2 H4 O2
60.052
ACETIC ACID
non-polymer
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
C
N
2
N
O
N
3
N
O
N
4
N
C
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
H
N
9
N
N
N
10
S
C
N
11
N
C
N
12
N
O
N
13
N
C
N
14
N
O
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
H
N
20
N
H
N
21
N
H
N
22
N
N
N
23
S
C
N
24
N
C
N
25
N
O
N
26
N
C
N
27
N
C
N
28
N
C
N
29
N
N
N
30
N
C
N
31
N
N
N
32
N
N
N
33
N
O
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
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
N
N
50
S
C
N
51
N
C
N
52
N
O
N
53
N
C
N
54
N
C
N
55
N
O
N
56
N
N
N
57
N
O
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
N
N
67
S
C
N
68
N
C
N
69
N
O
N
70
N
C
N
71
N
C
N
72
N
O
N
73
N
O
N
74
N
O
N
75
N
H
N
76
N
H
N
77
N
H
N
78
N
H
N
79
N
H
N
80
N
H
N
81
N
H
N
82
N
N
N
83
R
C
N
84
N
C
N
85
N
O
N
86
N
C
N
87
N
S
N
88
N
O
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
N
N
97
S
C
N
98
N
C
N
99
N
O
N
100
N
C
N
101
N
C
N
102
N
C
N
103
N
O
N
104
N
N
N
105
N
O
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
N
N
117
S
C
N
118
N
C
N
119
N
O
N
120
N
C
N
121
N
C
N
122
N
C
N
123
N
O
N
124
N
O
N
125
N
O
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
N
N
136
N
C
N
137
N
C
N
138
N
O
N
139
N
O
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
N
N
146
S
C
N
147
N
C
N
148
N
O
N
149
N
C
Y
150
N
C
Y
151
N
N
Y
152
N
C
Y
153
N
C
Y
154
N
N
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
N
N
167
S
C
N
168
N
C
N
169
N
O
N
170
S
C
N
171
N
C
N
172
N
C
N
173
N
C
N
174
N
O
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
N
N
189
S
C
N
190
N
C
N
191
N
O
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
C
N
196
N
O
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
N
N
211
S
C
N
212
N
C
N
213
N
O
N
214
N
C
N
215
N
C
N
216
N
C
N
217
N
C
N
218
N
N
N
219
N
O
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
N
N
236
S
C
N
237
N
C
N
238
N
O
N
239
N
C
N
240
N
C
N
241
N
S
N
242
N
C
N
243
N
O
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
N
N
256
S
C
N
257
N
C
N
258
N
O
N
259
N
C
Y
260
N
C
Y
261
N
C
Y
262
N
C
Y
263
N
C
Y
264
N
C
Y
265
N
C
N
266
N
O
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
N
N
279
S
C
N
280
N
C
N
281
N
O
N
282
N
C
N
283
N
C
N
284
N
C
N
285
N
O
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
N
N
296
S
C
N
297
N
C
N
298
N
O
N
299
N
C
N
300
N
O
N
301
N
O
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
R
C
N
314
N
O
N
315
N
C
N
316
N
O
N
317
N
H
N
318
N
H
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
N
N
327
S
C
N
328
N
C
N
329
N
O
N
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
N
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
N
340
N
O
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
N
N
354
S
C
N
355
N
C
N
356
N
O
N
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
N
364
N
O
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
N
N
378
S
C
N
379
N
C
N
380
N
O
N
381
N
C
N
382
N
C
N
383
N
C
N
384
N
O
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
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
doub
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
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
doub
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
sing
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
doub
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
doub
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
doub
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
doub
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
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
doub
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
doub
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
doub
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
doub
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
doub
N
124
N
sing
N
125
N
sing
N
126
N
sing
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
doub
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
Y
147
N
sing
Y
148
N
doub
Y
149
N
doub
N
150
N
sing
Y
151
N
sing
N
152
N
sing
Y
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
doub
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
doub
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
doub
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
doub
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
doub
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
Y
253
N
doub
Y
254
N
sing
Y
255
N
sing
N
256
N
sing
Y
257
N
doub
N
258
N
sing
Y
259
N
doub
N
260
N
sing
Y
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
doub
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
doub
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
doub
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
doub
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
Y
322
N
doub
Y
323
N
sing
Y
324
N
sing
N
325
N
sing
Y
326
N
doub
Y
327
N
sing
Y
328
N
sing
N
329
N
sing
Y
330
N
sing
Y
331
N
doub
N
332
N
sing
Y
333
N
doub
N
334
N
sing
Y
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
doub
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
Y
350
N
doub
Y
351
N
sing
Y
352
N
sing
N
353
N
sing
Y
354
N
doub
N
355
N
sing
Y
356
N
doub
N
357
N
sing
Y
358
N
sing
N
359
N
sing
N
360
N
sing
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
doub
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
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
US
Genes Dev.
GEDEEP
2056
0890-9369
16
1950
1963
10.1101/gad.1002002
12154125
Smad3 allostery links TGF-beta receptor kinase activation to transcriptional control
2002
10.2210/pdb1mk2/pdb
pdb_00001mk2
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
110
1
110
1
CCD
2000-01-20
ADSC QUANTUM 4
CCD
2001-07-20
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
1.0
5.0.1
ALS
SYNCHROTRON
ALS BEAMLINE 5.0.1
BL7-1
SSRL
SYNCHROTRON
SSRL BEAMLINE BL7-1
23227.361
SMAD 3
MH2 domain, residues 220-425
1
man
polymer
3818.246
Madh-interacting protein
SARA SBD domain, residues 773-810
1
man
polymer
60.052
ACETIC ACID
4
syn
non-polymer
Mad3, hMAD-3, mMad3, JV15-2, hSMAD3
Smad anchor for receptor activation, Receptor activation anchor, hSARA, Novel serine protease, NSP
no
no
DLQPVTYCEPAFWCSISYYELNQRVGETFHASQPSMTVDGFTDPSNSERFCLGLLSNVNRNAAVELTRRHIGRGVRLYYI
GGEVFAECLSDSAIFVQSPNCNQRYGWHPATVCKIPPGCNLKIFNNQEFAALLAQSVNQGFEAVYQLTRMCTIRMSFVKG
WGAEYRRQTVTSTPCWIELHLNGPLQWLDKVLTQMGSPSIRCSSVS
DLQPVTYCEPAFWCSISYYELNQRVGETFHASQPSMTVDGFTDPSNSERFCLGLLSNVNRNAAVELTRRHIGRGVRLYYI
GGEVFAECLSDSAIFVQSPNCNQRYGWHPATVCKIPPGCNLKIFNNQEFAALLAQSVNQGFEAVYQLTRMCTIRMSFVKG
WGAEYRRQTVTSTPCWIELHLNGPLQWLDKVLTQMGSPSIRCSSVS
A
polypeptide(L)
no
no
SPNPNNPAEYCSTIPPLQQAQASGALSSPPPTVMVPVG
SPNPNNPAEYCSTIPPLQQAQASGALSSPPPTVMVPVG
B
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
Homo
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
human
Homo
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
2
2.88
57.25
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Data collection
Database references
Derived calculations
1
0
2002-10-16
1
1
2008-04-28
1
2
2011-07-13
1
3
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
MH2 DOMAIN OF TRANSCRIPTIONAL FACTOR SMAD3
RCSB
Y
RCSB
2002-08-28
REL
REL
ACY
ACETIC ACID
ACY
1
3
ACY
ACY
1
A
ACY
2
3
ACY
ACY
2
A
ACY
3
3
ACY
ACY
3
A
ACY
4
3
ACY
ACY
4
A
ASP
219
n
1
ASP
219
A
LEU
220
n
2
LEU
220
A
GLN
221
n
3
GLN
221
A
PRO
222
n
4
PRO
222
A
VAL
223
n
5
VAL
223
A
THR
224
n
6
THR
224
A
TYR
225
n
7
TYR
225
A
CYS
226
n
8
CYS
226
A
GLU
227
n
9
GLU
227
A
PRO
228
n
10
PRO
228
A
ALA
229
n
11
ALA
229
A
PHE
230
n
12
PHE
230
A
TRP
231
n
13
TRP
231
A
CYS
232
n
14
CYS
232
A
SER
233
n
15
SER
233
A
ILE
234
n
16
ILE
234
A
SER
235
n
17
SER
235
A
TYR
236
n
18
TYR
236
A
TYR
237
n
19
TYR
237
A
GLU
238
n
20
GLU
238
A
LEU
239
n
21
LEU
239
A
ASN
240
n
22
ASN
240
A
GLN
241
n
23
GLN
241
A
ARG
242
n
24
ARG
242
A
VAL
243
n
25
VAL
243
A
GLY
244
n
26
GLY
244
A
GLU
245
n
27
GLU
245
A
THR
246
n
28
THR
246
A
PHE
247
n
29
PHE
247
A
HIS
248
n
30
HIS
248
A
ALA
249
n
31
ALA
249
A
SER
250
n
32
SER
250
A
GLN
251
n
33
GLN
251
A
PRO
252
n
34
PRO
252
A
SER
253
n
35
SER
253
A
MET
254
n
36
MET
254
A
THR
255
n
37
THR
255
A
VAL
256
n
38
VAL
256
A
ASP
257
n
39
ASP
257
A
GLY
258
n
40
GLY
258
A
PHE
259
n
41
PHE
259
A
THR
260
n
42
THR
260
A
ASP
261
n
43
ASP
261
A
PRO
262
n
44
PRO
262
A
SER
263
n
45
SER
263
A
ASN
264
n
46
ASN
264
A
SER
265
n
47
SER
265
A
GLU
266
n
48
GLU
266
A
ARG
267
n
49
ARG
267
A
PHE
268
n
50
PHE
268
A
CYS
269
n
51
CYS
269
A
LEU
270
n
52
LEU
270
A
GLY
271
n
53
GLY
271
A
LEU
272
n
54
LEU
272
A
LEU
273
n
55
LEU
273
A
SER
274
n
56
SER
274
A
ASN
275
n
57
ASN
275
A
VAL
276
n
58
VAL
276
A
ASN
277
n
59
ASN
277
A
ARG
278
n
60
ARG
278
A
ASN
279
n
61
ASN
279
A
ALA
280
n
62
ALA
280
A
ALA
281
n
63
ALA
281
A
VAL
282
n
64
VAL
282
A
GLU
283
n
65
GLU
283
A
LEU
284
n
66
LEU
284
A
THR
285
n
67
THR
285
A
ARG
286
n
68
ARG
286
A
ARG
287
n
69
ARG
287
A
HIS
288
n
70
HIS
288
A
ILE
289
n
71
ILE
289
A
GLY
290
n
72
GLY
290
A
ARG
291
n
73
ARG
291
A
GLY
292
n
74
GLY
292
A
VAL
293
n
75
VAL
293
A
ARG
294
n
76
ARG
294
A
LEU
295
n
77
LEU
295
A
TYR
296
n
78
TYR
296
A
TYR
297
n
79
TYR
297
A
ILE
298
n
80
ILE
298
A
GLY
299
n
81
GLY
299
A
GLY
300
n
82
GLY
300
A
GLU
301
n
83
GLU
301
A
VAL
302
n
84
VAL
302
A
PHE
303
n
85
PHE
303
A
ALA
304
n
86
ALA
304
A
GLU
305
n
87
GLU
305
A
CYS
306
n
88
CYS
306
A
LEU
307
n
89
LEU
307
A
SER
308
n
90
SER
308
A
ASP
309
n
91
ASP
309
A
SER
310
n
92
SER
310
A
ALA
311
n
93
ALA
311
A
ILE
312
n
94
ILE
312
A
PHE
313
n
95
PHE
313
A
VAL
314
n
96
VAL
314
A
GLN
315
n
97
GLN
315
A
SER
316
n
98
SER
316
A
PRO
317
n
99
PRO
317
A
ASN
318
n
100
ASN
318
A
CYS
319
n
101
CYS
319
A
ASN
320
n
102
ASN
320
A
GLN
321
n
103
GLN
321
A
ARG
322
n
104
ARG
322
A
TYR
323
n
105
TYR
323
A
GLY
324
n
106
GLY
324
A
TRP
325
n
107
TRP
325
A
HIS
326
n
108
HIS
326
A
PRO
327
n
109
PRO
327
A
ALA
328
n
110
ALA
328
A
THR
329
n
111
THR
329
A
VAL
330
n
112
VAL
330
A
CYS
331
n
113
CYS
331
A
LYS
332
n
114
LYS
332
A
ILE
333
n
115
ILE
333
A
PRO
334
n
116
PRO
334
A
PRO
335
n
117
PRO
335
A
GLY
336
n
118
GLY
336
A
CYS
337
n
119
CYS
337
A
ASN
338
n
120
ASN
338
A
LEU
339
n
121
LEU
339
A
LYS
340
n
122
LYS
340
A
ILE
341
n
123
ILE
341
A
PHE
342
n
124
PHE
342
A
ASN
343
n
125
ASN
343
A
ASN
344
n
126
ASN
344
A
GLN
345
n
127
GLN
345
A
GLU
346
n
128
GLU
346
A
PHE
347
n
129
PHE
347
A
ALA
348
n
130
ALA
348
A
ALA
349
n
131
ALA
349
A
LEU
350
n
132
LEU
350
A
LEU
351
n
133
LEU
351
A
ALA
352
n
134
ALA
352
A
GLN
353
n
135
GLN
353
A
SER
354
n
136
SER
354
A
VAL
355
n
137
VAL
355
A
ASN
356
n
138
ASN
356
A
GLN
357
n
139
GLN
357
A
GLY
358
n
140
GLY
358
A
PHE
359
n
141
PHE
359
A
GLU
360
n
142
GLU
360
A
ALA
361
n
143
ALA
361
A
VAL
362
n
144
VAL
362
A
TYR
363
n
145
TYR
363
A
GLN
364
n
146
GLN
364
A
LEU
365
n
147
LEU
365
A
THR
366
n
148
THR
366
A
ARG
367
n
149
ARG
367
A
MET
368
n
150
MET
368
A
CYS
369
n
151
CYS
369
A
THR
370
n
152
THR
370
A
ILE
371
n
153
ILE
371
A
ARG
372
n
154
ARG
372
A
MET
373
n
155
MET
373
A
SER
374
n
156
SER
374
A
PHE
375
n
157
PHE
375
A
VAL
376
n
158
VAL
376
A
LYS
377
n
159
LYS
377
A
GLY
378
n
160
GLY
378
A
TRP
379
n
161
TRP
379
A
GLY
380
n
162
GLY
380
A
ALA
381
n
163
ALA
381
A
GLU
382
n
164
GLU
382
A
TYR
383
n
165
TYR
383
A
ARG
384
n
166
ARG
384
A
ARG
385
n
167
ARG
385
A
GLN
386
n
168
GLN
386
A
THR
387
n
169
THR
387
A
VAL
388
n
170
VAL
388
A
THR
389
n
171
THR
389
A
SER
390
n
172
SER
390
A
THR
391
n
173
THR
391
A
PRO
392
n
174
PRO
392
A
CYS
393
n
175
CYS
393
A
TRP
394
n
176
TRP
394
A
ILE
395
n
177
ILE
395
A
GLU
396
n
178
GLU
396
A
LEU
397
n
179
LEU
397
A
HIS
398
n
180
HIS
398
A
LEU
399
n
181
LEU
399
A
ASN
400
n
182
ASN
400
A
GLY
401
n
183
GLY
401
A
PRO
402
n
184
PRO
402
A
LEU
403
n
185
LEU
403
A
GLN
404
n
186
GLN
404
A
TRP
405
n
187
TRP
405
A
LEU
406
n
188
LEU
406
A
ASP
407
n
189
ASP
407
A
LYS
408
n
190
LYS
408
A
VAL
409
n
191
VAL
409
A
LEU
410
n
192
LEU
410
A
THR
411
n
193
THR
411
A
GLN
412
n
194
GLN
412
A
MET
413
n
195
MET
413
A
GLY
414
n
196
GLY
414
A
SER
415
n
197
SER
415
A
n
198
416
A
n
199
417
A
n
200
418
A
n
201
419
A
n
202
420
A
n
203
421
A
n
204
422
A
n
205
423
A
n
206
424
A
SER
671
n
1
SER
671
B
PRO
672
n
2
PRO
672
B
ASN
673
n
3
ASN
673
B
PRO
674
n
4
PRO
674
B
ASN
675
n
5
ASN
675
B
ASN
676
n
6
ASN
676
B
PRO
677
n
7
PRO
677
B
ALA
678
n
8
ALA
678
B
GLU
679
n
9
GLU
679
B
TYR
680
n
10
TYR
680
B
CYS
681
n
11
CYS
681
B
SER
682
n
12
SER
682
B
THR
683
n
13
THR
683
B
ILE
684
n
14
ILE
684
B
PRO
685
n
15
PRO
685
B
PRO
686
n
16
PRO
686
B
LEU
687
n
17
LEU
687
B
GLN
688
n
18
GLN
688
B
GLN
689
n
19
GLN
689
B
ALA
690
n
20
ALA
690
B
GLN
691
n
21
GLN
691
B
ALA
692
n
22
ALA
692
B
SER
693
n
23
SER
693
B
GLY
694
n
24
GLY
694
B
ALA
695
n
25
ALA
695
B
LEU
696
n
26
LEU
696
B
SER
697
n
27
SER
697
B
SER
698
n
28
SER
698
B
PRO
699
n
29
PRO
699
B
PRO
700
n
30
PRO
700
B
PRO
701
n
31
PRO
701
B
THR
702
n
32
THR
702
B
VAL
703
n
33
VAL
703
B
MET
704
n
34
MET
704
B
VAL
705
n
35
VAL
705
B
PRO
706
n
36
PRO
706
B
VAL
707
n
37
VAL
707
B
GLY
708
n
38
GLY
708
B
author_defined_assembly
4
tetrameric
software_defined_assembly
PISA,PQS
2
dimeric
2610
-24
10940
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_565
-x,-y+1,z
crystal symmetry operation
0.0000000000
71.7160000000
0.0000000000
A
N
VAL
223
A
N
VAL
5
B
O
VAL
703
B
O
VAL
33
A
O
PHE
247
A
O
PHE
29
A
N
ILE
234
A
N
ILE
16
A
N
TYR
237
A
N
TYR
19
A
O
TRP
394
A
O
TRP
176
A
O
ILE
395
A
O
ILE
177
A
N
MET
373
A
N
MET
155
A
O
ARG
372
A
O
ARG
154
A
N
GLN
315
A
N
GLN
97
A
N
ILE
312
A
N
ILE
94
A
O
ILE
333
A
O
ILE
115
A
O
PHE
268
A
O
PHE
50
A
N
THR
255
A
N
THR
37
A
N
MET
254
A
N
MET
36
A
O
LEU
295
A
O
LEU
77
A
N
ARG
294
A
N
ARG
76
A
O
GLU
305
A
O
GLU
87
A
N
VAL
302
A
N
VAL
84
A
O
PHE
342
A
O
PHE
124
1
A
PRO
416
A
PRO
198
1
Y
1
A
SER
417
A
SER
199
1
Y
1
A
ILE
418
A
ILE
200
1
Y
1
A
ARG
419
A
ARG
201
1
Y
1
A
CYS
420
A
CYS
202
1
Y
1
A
SER
421
A
SER
203
1
Y
1
A
SER
422
A
SER
204
1
Y
1
A
VAL
423
A
VAL
205
1
Y
1
A
SER
424
A
SER
206
1
Y
1
A
A
CB
OE2
GLN
GLU
251
266
2.07
1
A
A
CB
SG
CYS
CYS
226
226
-0.104
0.016
1.812
1.708
N
1
A
LEU
239
61.27
-119.59
1
A
THR
260
-84.56
40.94
1
A
ARG
267
-162.49
119.02
1
A
SER
308
-48.54
163.23
1
A
ARG
322
-73.70
-169.64
1
A
TYR
323
57.37
-14.44
1
A
ALA
328
94.53
-3.14
1
A
ASN
356
-76.68
26.56
1
A
VAL
376
62.24
-59.80
1
A
GLU
382
69.21
-0.74
1
B
TYR
680
-147.24
-8.58
1
B
ALA
692
-62.99
43.19
1
B
SER
693
-160.42
-1.35
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARAM
WATER_REP.PARAM
ACETATE.PAR
43.3
-10.69
0.00
0.00
-16.82
0.00
27.50
0.2710000
0.014
0.2270000
0.2270000
2.74
43.44
401
7401
5.4
85.4
RANDOM
1
RESTRAINED
THROUGHOUT
0
MOLECULAR REPLACEMENT
Engh & Huber
FLAT MODEL
30.8242
0.369255
0.49
0.54
2.74
43.44
0
1848
16
0
1832
0.009
1.5
25.2
0.88
2.36
1.50
4.00
2.00
3.82
2.00
5.65
2.50
0.3900000
0.051
0.3270000
2.91
58
1095
6
5.0
82.0
4.7
2.74
43.44
1MK2
8049
0
0
1
0.928
0.5680000
2.74
2.80
3.12
567
1
0.998
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
SMAD3 SBD complex
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
The second part of the biological assembly is generated
by the two fold axis:
A
ASN
279
A
ASN
61
HELX_P
A
ARG
287
A
ARG
69
1
1
9
A
SER
316
A
SER
98
HELX_P
A
ARG
322
A
ARG
104
1
2
7
A
TYR
323
A
TYR
105
HELX_P
A
TRP
325
A
TRP
107
5
3
3
A
ASN
343
A
ASN
125
HELX_P
A
ASN
356
A
ASN
138
1
4
14
A
GLN
357
A
GLN
139
HELX_P
A
GLN
364
A
GLN
146
1
5
8
A
LEU
365
A
LEU
147
HELX_P
A
MET
368
A
MET
150
5
6
4
A
THR
387
A
THR
169
HELX_P
A
THR
391
A
THR
173
5
7
5
A
ASN
400
A
ASN
182
HELX_P
A
GLY
414
A
GLY
196
1
8
15
B
ASN
676
B
ASN
6
HELX_P
B
TYR
680
B
TYR
10
5
9
5
B
PRO
685
B
PRO
15
HELX_P
B
ALA
692
B
ALA
22
1
10
8
TRANSCRIPTION
SMAD3, SBD, SARA, TRANSCRIPTION
SMAD3_HUMAN
UNP
1
220
P84022
DLQPVTYCEPAFWCSISYYELNQRVGETFHASQPSMTVDGFTDPSNSERFCLGLLSNVNRNAAVELTRRHIGRGVRLYYI
GGEVFAECLSDSAIFVQSPNCNQRYGWHPATVCKIPPGCNLKIFNNQEFAALLAQSVNQGFEAVYQLTRMCTIRMSFVKG
WGAEYRRQTVTSTPCWIELHLNGPLQWLDKVLTQMGSPSIRCSSVS
ZFYV9_HUMAN
UNP
2
773
O95405
SPNPNNPAEYCSTIPPLQQAQASGALSSPPPTVMVPVG
220
425
1MK2
219
424
P84022
A
1
1
206
773
810
1MK2
671
708
O95405
B
2
1
38
2
6
5
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
LEU
220
A
LEU
2
A
THR
224
A
THR
6
B
THR
702
B
THR
32
B
PRO
706
B
PRO
36
A
GLN
241
A
GLN
23
A
ALA
249
A
ALA
31
A
CYS
232
A
CYS
14
A
GLU
238
A
GLU
20
A
TRP
394
A
TRP
176
A
LEU
399
A
LEU
181
A
THR
370
A
THR
152
A
PHE
375
A
PHE
157
A
ILE
312
A
ILE
94
A
GLN
315
A
GLN
97
A
CYS
331
A
CYS
113
A
ILE
333
A
ILE
115
A
ARG
267
A
ARG
49
A
CYS
269
A
CYS
51
A
SER
253
A
SER
35
A
ASP
257
A
ASP
39
A
VAL
293
A
VAL
75
A
ILE
298
A
ILE
80
A
GLU
301
A
GLU
83
A
CYS
306
A
CYS
88
A
ASN
338
A
ASN
120
A
PHE
342
A
PHE
124
BINDING SITE FOR RESIDUE ACY A 1
A
ACY
1
Software
5
BINDING SITE FOR RESIDUE ACY A 2
A
ACY
2
Software
8
BINDING SITE FOR RESIDUE ACY A 3
A
ACY
3
Software
3
BINDING SITE FOR RESIDUE ACY A 4
A
ACY
4
Software
2
A
PRO
317
A
PRO
99
5
1_555
A
ASN
320
A
ASN
102
5
1_555
A
PRO
327
A
PRO
109
5
1_555
A
ALA
328
A
ALA
110
5
1_555
A
ARG
367
A
ARG
149
5
1_555
A
GLN
315
A
GLN
97
8
1_555
A
HIS
326
A
HIS
108
8
2_565
A
PRO
327
A
PRO
109
8
2_565
A
ARG
372
A
ARG
154
8
1_555
A
TRP
379
A
TRP
161
8
1_555
A
GLN
386
A
GLN
168
8
1_555
A
THR
387
A
THR
169
8
1_555
A
VAL
388
A
VAL
170
8
1_555
A
GLU
382
A
GLU
164
3
1_555
A
ARG
384
A
ARG
166
3
1_555
B
ASN
673
B
ASN
3
3
2_565
A
ASN
264
A
ASN
46
2
1_555
A
SER
265
A
SER
47
2
1_555
18
P 21 21 2