0.010284
0.000000
0.000000
0.000000
0.010284
0.000000
0.000000
0.000000
0.026858
0.00000
0.00000
0.00000
Eggers, C.T.
Wang, S.X.
Fletterick, R.J.
Craik, C.S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
97.235
97.235
37.233
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
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
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
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
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
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
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
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
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
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
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
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
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
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
310
N
C
N
311
N
O
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
H
N
319
N
H
N
320
N
H
N
321
N
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
N
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
N
335
N
O
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
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
N
359
N
O
N
360
N
O
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
H
N
370
N
H
N
371
N
H
N
372
N
N
N
373
S
C
N
374
N
C
N
375
N
O
N
376
N
C
N
377
N
C
N
378
N
C
N
379
N
O
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
388
N
H
N
389
N
H
N
390
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
sing
N
157
N
sing
N
158
N
doub
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
sing
N
178
N
sing
N
179
N
doub
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
sing
N
199
N
sing
N
200
N
doub
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
sing
N
223
N
sing
N
224
N
doub
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
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
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
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
doub
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
sing
N
311
N
sing
N
312
N
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
doub
N
329
N
sing
Y
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
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
Y
345
N
doub
Y
346
N
sing
Y
347
N
sing
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
351
N
doub
N
352
N
sing
Y
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
sing
N
363
N
sing
N
364
N
doub
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
308
975
991
10.1006/jmbi.2001.4754
11352586
The role of ecotin dimerization in protease inhibition.
2001
10.2210/pdb1ifg/pdb
pdb_00001ifg
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
200
1
mirrors
IMAGE PLATE
1999-06-15
MARRESEARCH
0.87
SINGLE WAVELENGTH
M
x-ray
1
1.08
1.0
BL9-1
SSRL
1.08
SYNCHROTRON
SSRL BEAMLINE BL9-1
MONOMERIC FORM
15849.198
ECOTIN
RESIDUES 26-162 OF ECOTIN PRECURSOR
INSERTION AFTER TRP130 THE SEQUENCE OF ALA-ASP-GLY
1
man
polymer
18.015
water
55
nat
water
no
no
PLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTMM
ACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWADGKAEEKIDNAVVR
PLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTMM
ACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWADGKAEEKIDNAVVR
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
Escherichia
Escherichia
sample
ECO OR ETI OR B2209
562
Escherichia coli
562
Escherichia coli
JM101
PLASMID
PTACTAC
1
2.77
55.67
VAPOR DIFFUSION, HANGING DROP
8.0
PEG 4000, glycerol, Tris, Sodium Acetate, pH 8.0, VAPOR DIFFUSION, HANGING DROP at 298K
298
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
Atomic model
Refinement description
Data collection
Database references
Refinement description
1
0
2001-05-18
1
1
2008-04-27
1
2
2011-07-13
1
3
2011-11-16
1
4
2017-10-04
1
5
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
ecotin in dimer form with no protease bound
dimer ecotin bound with trypsin
RCSB
Y
RCSB
2001-04-12
REL
HOH
water
1ECY
1ECY with last ten residues deleted
PDB
experimental model
HOH
1
2
HOH
HOH
143
A
HOH
2
2
HOH
HOH
144
A
HOH
3
2
HOH
HOH
145
A
HOH
4
2
HOH
HOH
146
A
HOH
5
2
HOH
HOH
147
A
HOH
6
2
HOH
HOH
148
A
HOH
7
2
HOH
HOH
149
A
HOH
8
2
HOH
HOH
150
A
HOH
9
2
HOH
HOH
151
A
HOH
10
2
HOH
HOH
152
A
HOH
11
2
HOH
HOH
153
A
HOH
12
2
HOH
HOH
154
A
HOH
13
2
HOH
HOH
155
A
HOH
14
2
HOH
HOH
156
A
HOH
15
2
HOH
HOH
157
A
HOH
16
2
HOH
HOH
158
A
HOH
17
2
HOH
HOH
159
A
HOH
18
2
HOH
HOH
160
A
HOH
19
2
HOH
HOH
161
A
HOH
20
2
HOH
HOH
162
A
HOH
21
2
HOH
HOH
163
A
HOH
22
2
HOH
HOH
164
A
HOH
23
2
HOH
HOH
165
A
HOH
24
2
HOH
HOH
166
A
HOH
25
2
HOH
HOH
167
A
HOH
26
2
HOH
HOH
168
A
HOH
27
2
HOH
HOH
169
A
HOH
28
2
HOH
HOH
170
A
HOH
29
2
HOH
HOH
171
A
HOH
30
2
HOH
HOH
172
A
HOH
31
2
HOH
HOH
173
A
HOH
32
2
HOH
HOH
174
A
HOH
33
2
HOH
HOH
175
A
HOH
34
2
HOH
HOH
176
A
HOH
35
2
HOH
HOH
177
A
HOH
36
2
HOH
HOH
178
A
HOH
37
2
HOH
HOH
179
A
HOH
38
2
HOH
HOH
180
A
HOH
39
2
HOH
HOH
181
A
HOH
40
2
HOH
HOH
182
A
HOH
41
2
HOH
HOH
183
A
HOH
42
2
HOH
HOH
184
A
HOH
43
2
HOH
HOH
185
A
HOH
44
2
HOH
HOH
186
A
HOH
45
2
HOH
HOH
187
A
HOH
46
2
HOH
HOH
188
A
HOH
47
2
HOH
HOH
189
A
HOH
48
2
HOH
HOH
190
A
HOH
49
2
HOH
HOH
191
A
HOH
50
2
HOH
HOH
192
A
HOH
51
2
HOH
HOH
193
A
HOH
52
2
HOH
HOH
194
A
HOH
53
2
HOH
HOH
195
A
HOH
54
2
HOH
HOH
196
A
HOH
55
2
HOH
HOH
197
A
PRO
6
n
1
PRO
6
A
LEU
7
n
2
LEU
7
A
GLU
8
n
3
GLU
8
A
LYS
9
n
4
LYS
9
A
ILE
10
n
5
ILE
10
A
ALA
11
n
6
ALA
11
A
PRO
12
n
7
PRO
12
A
TYR
13
n
8
TYR
13
A
PRO
14
n
9
PRO
14
A
GLN
15
n
10
GLN
15
A
ALA
16
n
11
ALA
16
A
GLU
17
n
12
GLU
17
A
LYS
18
n
13
LYS
18
A
GLY
19
n
14
GLY
19
A
MET
20
n
15
MET
20
A
LYS
21
n
16
LYS
21
A
ARG
22
n
17
ARG
22
A
GLN
23
n
18
GLN
23
A
VAL
24
n
19
VAL
24
A
ILE
25
n
20
ILE
25
A
GLN
26
n
21
GLN
26
A
LEU
27
n
22
LEU
27
A
THR
28
n
23
THR
28
A
PRO
29
n
24
PRO
29
A
GLN
30
n
25
GLN
30
A
GLU
31
n
26
GLU
31
A
ASP
32
n
27
ASP
32
A
GLU
33
n
28
GLU
33
A
SER
34
n
29
SER
34
A
THR
35
n
30
THR
35
A
LEU
36
n
31
LEU
36
A
LYS
37
n
32
LYS
37
A
VAL
38
n
33
VAL
38
A
GLU
39
n
34
GLU
39
A
LEU
40
n
35
LEU
40
A
LEU
41
n
36
LEU
41
A
ILE
42
n
37
ILE
42
A
GLY
43
n
38
GLY
43
A
GLN
44
n
39
GLN
44
A
THR
45
n
40
THR
45
A
LEU
46
n
41
LEU
46
A
GLU
47
n
42
GLU
47
A
VAL
48
n
43
VAL
48
A
ASP
49
n
44
ASP
49
A
CYS
50
n
45
CYS
50
A
ASN
51
n
46
ASN
51
A
LEU
52
n
47
LEU
52
A
HIS
53
n
48
HIS
53
A
ARG
54
n
49
ARG
54
A
LEU
55
n
50
LEU
55
A
GLY
56
n
51
GLY
56
A
GLY
57
n
52
GLY
57
A
LYS
58
n
53
LYS
58
A
LEU
59
n
54
LEU
59
A
GLU
60
n
55
GLU
60
A
ASN
61
n
56
ASN
61
A
LYS
62
n
57
LYS
62
A
THR
63
n
58
THR
63
A
LEU
64
n
59
LEU
64
A
GLU
65
n
60
GLU
65
A
GLY
66
n
61
GLY
66
A
TRP
67
n
62
TRP
67
A
GLY
68
n
63
GLY
68
A
TYR
69
n
64
TYR
69
A
ASP
70
n
65
ASP
70
A
TYR
71
n
66
TYR
71
A
TYR
72
n
67
TYR
72
A
VAL
73
n
68
VAL
73
A
PHE
74
n
69
PHE
74
A
ASP
75
n
70
ASP
75
A
LYS
76
n
71
LYS
76
A
VAL
77
n
72
VAL
77
A
SER
78
n
73
SER
78
A
SER
79
n
74
SER
79
A
PRO
80
n
75
PRO
80
A
VAL
81
n
76
VAL
81
A
SER
82
n
77
SER
82
A
THR
83
n
78
THR
83
A
MET
84
n
79
MET
84
A
MET
85
n
80
MET
85
A
ALA
86
n
81
ALA
86
A
CYS
87
n
82
CYS
87
A
PRO
88
n
83
PRO
88
A
ASP
89
n
84
ASP
89
A
GLY
90
n
85
GLY
90
A
LYS
91
n
86
LYS
91
A
LYS
92
n
87
LYS
92
A
GLU
93
n
88
GLU
93
A
LYS
94
n
89
LYS
94
A
LYS
95
n
90
LYS
95
A
PHE
96
n
91
PHE
96
A
VAL
97
n
92
VAL
97
A
THR
98
n
93
THR
98
A
ALA
99
n
94
ALA
99
A
TYR
100
n
95
TYR
100
A
LEU
101
n
96
LEU
101
A
GLY
102
n
97
GLY
102
A
ASP
103
n
98
ASP
103
A
ALA
104
n
99
ALA
104
A
GLY
105
n
100
GLY
105
A
MET
106
n
101
MET
106
A
LEU
107
n
102
LEU
107
A
ARG
108
n
103
ARG
108
A
TYR
109
n
104
TYR
109
A
ASN
110
n
105
ASN
110
A
SER
111
n
106
SER
111
A
LYS
112
n
107
LYS
112
A
LEU
113
n
108
LEU
113
A
PRO
114
n
109
PRO
114
A
ILE
115
n
110
ILE
115
A
VAL
116
n
111
VAL
116
A
VAL
117
n
112
VAL
117
A
TYR
118
n
113
TYR
118
A
THR
119
n
114
THR
119
A
PRO
120
n
115
PRO
120
A
ASP
121
n
116
ASP
121
A
ASN
122
n
117
ASN
122
A
VAL
123
n
118
VAL
123
A
ASP
124
n
119
ASP
124
A
VAL
125
n
120
VAL
125
A
LYS
126
n
121
LYS
126
A
TYR
127
n
122
TYR
127
A
ARG
128
n
123
ARG
128
A
VAL
129
n
124
VAL
129
A
TRP
130
n
125
TRP
130
A
ALA
130
n
126
A
ALA
130
A
ASP
130
n
127
B
ASP
130
A
GLY
130
n
128
C
GLY
130
A
LYS
131
n
129
LYS
131
A
ALA
132
n
130
ALA
132
A
GLU
133
n
131
GLU
133
A
GLU
134
n
132
GLU
134
A
LYS
135
n
133
LYS
135
A
ILE
136
n
134
ILE
136
A
ASP
137
n
135
ASP
137
A
ASN
138
n
136
ASN
138
A
ALA
139
n
137
ALA
139
A
VAL
140
n
138
VAL
140
A
VAL
141
n
139
VAL
141
A
ARG
142
n
140
ARG
142
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
A
N
LYS
62
A
N
LYS
57
A
O
TYR
71
A
O
TYR
66
A
N
TYR
72
A
N
TYR
67
A
O
VAL
116
A
O
VAL
111
A
O
THR
119
A
O
THR
114
A
N
LYS
21
A
N
LYS
16
A
O
VAL
24
A
O
VAL
19
A
N
VAL
140
A
N
VAL
138
1
A
HOH
177
B
HOH
1
A
GLU
17
-64.52
-179.79
1
A
ASP
49
-78.62
-167.11
1
A
SER
79
-43.15
152.56
1
A
MET
84
-101.60
76.11
PROTEIN_REP.PA
PROTEIN.TOP
WATER_REP.PARA
WATER.TOP
ION.PARAM
ION.TOP
42.7
-7.90
0.00
0.00
-7.90
0.00
15.81
0.267
0.008
0.248
0.248
2.00
19.92
1174
12036
11481
10.2
91.4
RANDOM
593458.54
0.00
1
RESTRAINED
THROUGHOUT
2.0
1.0
MOLECULAR REPLACEMENT
1ECY with last ten residues deleted
FLAT MODEL
71.32
0.523
0.32
0.29
5.00
0.20
0.21
2.00
19.92
55
1167
0
0
1112
0.007
1.4
26.2
0.85
1.31
1.50
2.22
2.00
1.83
2.00
2.81
2.50
0.284
0.023
0.271
2.13
152
1482
6
9.3
80.0
21.2
2.0
20
1IFG
12036
11496
2.0
1.0
0.093
1
19
6
95.8
0.472
1.98
2.02
4.7
835
0.472
6
99.9
data collection
MAR345
data scaling
SCALEPACK
model building
X-PLOR
refinement
CNS
1.0
phasing
X-PLOR
CRYSTAL STRUCTURE OF A MONOMERIC FORM OF GENERAL PROTEASE INHIBITOR, ECOTIN IN ABSENCE OF A PROTEASE
1
N
N
2
N
N
A
PRO
6
A
PRO
1
HELX_P
A
ILE
10
A
ILE
5
5
1
5
A
ASP
32
A
ASP
27
HELX_P
A
SER
34
A
SER
29
5
2
3
A
LEU
101
A
LEU
96
HELX_P
A
ALA
104
A
ALA
99
5
3
4
disulf
2.028
A
CYS
50
A
SG
CYS
45
1_555
A
CYS
87
A
SG
CYS
82
1_555
hydrolase inhibitor
monomeric ecotin, serine protease inhibitor, hydrolase inhibitor
ECOT_ECOLI
UNP
1
26
P23827
PLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKLENKTLEGWGYDYYVFDKVSSPVSTMM
ACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVYTPDNVDVKYRVWKAEEKIDNAVVR
26
162
1IFG
6
142
P23827
A
1
1
140
1
insertion
ALA
130
1IFG
A
A
P23827
UNP
126
1
insertion
ASP
130
1IFG
B
A
P23827
UNP
127
1
insertion
GLY
130
1IFG
C
A
P23827
UNP
128
5
anti-parallel
parallel
anti-parallel
anti-parallel
A
HIS
53
A
HIS
48
A
THR
63
A
THR
58
A
ASP
70
A
ASP
65
A
SER
82
A
SER
77
A
ILE
115
A
ILE
110
A
PRO
120
A
PRO
115
A
MET
20
A
MET
15
A
ILE
25
A
ILE
20
A
VAL
140
A
VAL
138
A
VAL
141
A
VAL
139
96
tetragonal
P 43 21 2