0.013379
0.000000
0.000000
0.000000
0.012233
0.000000
0.000000
0.000000
0.008047
0.00000
0.00000
0.00000
Zakharova, E.
Horvath, M.P.
Goldenberg, D.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
74.744
81.748
124.274
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
Ca 2
40.078
CALCIUM ION
non-polymer
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C2 H6 O2
62.068
1,2-ETHANEDIOL
ETHYLENE GLYCOL
non-polymer
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
Na 1
22.990
SODIUM ION
non-polymer
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
CA
N
75
N
N
N
76
R
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
S
N
81
N
O
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
H
N
89
N
C
N
90
N
O
N
91
N
C
N
92
N
O
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
N
N
100
S
C
N
101
N
C
N
102
N
O
N
103
N
C
N
104
N
C
N
105
N
C
N
106
N
O
N
107
N
N
N
108
N
O
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
H
N
117
N
H
N
118
N
H
N
119
N
N
N
120
S
C
N
121
N
C
N
122
N
O
N
123
N
C
N
124
N
C
N
125
N
C
N
126
N
O
N
127
N
O
N
128
N
O
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
H
N
136
N
H
N
137
N
H
N
138
N
N
N
139
N
C
N
140
N
C
N
141
N
O
N
142
N
O
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
N
N
149
S
C
N
150
N
C
N
151
N
O
N
152
N
C
Y
153
N
C
Y
154
N
N
Y
155
N
C
Y
156
N
C
Y
157
N
N
N
158
N
O
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
H
N
167
N
H
N
168
N
H
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
N
N
173
S
C
N
174
N
C
N
175
N
O
N
176
S
C
N
177
N
C
N
178
N
C
N
179
N
C
N
180
N
O
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
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
N
N
195
S
C
N
196
N
C
N
197
N
O
N
198
N
C
N
199
N
C
N
200
N
C
N
201
N
C
N
202
N
O
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
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
N
N
217
S
C
N
218
N
C
N
219
N
O
N
220
N
C
N
221
N
C
N
222
N
C
N
223
N
C
N
224
N
N
N
225
N
O
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
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
N
N
242
S
C
N
243
N
C
N
244
N
O
N
245
N
C
N
246
N
C
N
247
N
S
N
248
N
C
N
249
N
O
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
NA
N
262
N
N
N
263
S
C
N
264
N
C
N
265
N
O
N
266
N
C
Y
267
N
C
Y
268
N
C
Y
269
N
C
Y
270
N
C
Y
271
N
C
Y
272
N
C
N
273
N
O
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
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
N
N
286
S
C
N
287
N
C
N
288
N
O
N
289
N
C
N
290
N
C
N
291
N
C
N
292
N
O
N
293
N
H
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
H
N
302
N
N
N
303
S
C
N
304
N
C
N
305
N
O
N
306
N
C
N
307
N
O
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
S
N
317
N
O
N
318
N
O
N
319
N
O
N
320
N
O
N
321
N
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
R
C
N
326
N
O
N
327
N
C
N
328
N
O
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
N
N
339
S
C
N
340
N
C
N
341
N
O
N
342
N
C
Y
343
N
C
Y
344
N
C
Y
345
N
C
Y
346
N
N
Y
347
N
C
Y
348
N
C
Y
349
N
C
Y
350
N
C
Y
351
N
C
N
352
N
O
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
N
N
366
S
C
N
367
N
C
N
368
N
O
N
369
N
C
Y
370
N
C
Y
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
N
376
N
O
N
377
N
O
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
388
N
H
N
389
N
N
N
390
S
C
N
391
N
C
N
392
N
O
N
393
N
C
N
394
N
C
N
395
N
C
N
396
N
O
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
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
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
sing
N
97
N
sing
N
98
N
doub
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
doub
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
sing
N
116
N
sing
N
117
N
doub
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
doub
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
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
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
doub
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
Y
149
N
sing
Y
150
N
doub
Y
151
N
doub
N
152
N
sing
Y
153
N
sing
N
154
N
sing
Y
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
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
doub
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
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
doub
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
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
doub
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
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
doub
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
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
doub
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
Y
257
N
doub
Y
258
N
sing
Y
259
N
sing
N
260
N
sing
Y
261
N
doub
N
262
N
sing
Y
263
N
doub
N
264
N
sing
Y
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
doub
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
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
doub
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
N
300
N
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
doub
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
doub
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
Y
330
N
doub
Y
331
N
sing
Y
332
N
sing
N
333
N
sing
Y
334
N
doub
Y
335
N
sing
Y
336
N
sing
N
337
N
sing
Y
338
N
sing
Y
339
N
doub
N
340
N
sing
Y
341
N
doub
N
342
N
sing
Y
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
doub
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
Y
358
N
doub
Y
359
N
sing
Y
360
N
sing
N
361
N
sing
Y
362
N
doub
N
363
N
sing
Y
364
N
doub
N
365
N
sing
Y
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
doub
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
382
998
1013
10.1016/j.jmb.2008.07.063
18692070
Functional and structural roles of the Cys14-Cys38 disulfide of bovine pancreatic trypsin inhibitor.
2008
10.2210/pdb2fi3/pdb
pdb_00002fi3
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
OSMIC CONFOCAL MAX-FLUX (GREEN)
CCD
2004-10-23
NONIUS KAPPA CCD2000
OSMIC CONFOCAL MAX-FLUX (GREEN)
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS FR591
23324.287
Cationic trypsin
3.4.21.4
1
nat
polymer
6495.438
Pancreatic trypsin inhibitor
C14S, C38S
1
man
polymer
22.990
SODIUM ION
1
syn
non-polymer
40.078
CALCIUM ION
2
syn
non-polymer
96.063
SULFATE ION
8
syn
non-polymer
62.068
1,2-ETHANEDIOL
6
syn
non-polymer
18.015
water
249
nat
water
Beta-trypsin
Basic protease inhibitor, BPI, BPTI, Aprotinin
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
E
polypeptide(L)
no
no
RPDFCLEPPYTGPSKARIIRYFYNAKAGLCQTFVYGGSRAKRNNFKSAEDCMRTCGGA
RPDFCLEPPYTGPSKARIIRYFYNAKAGLCQTFVYGGSRAKRNNFKSAEDCMRTCGGA
I
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
cattle
Bos
Escherichia
sample
9913
Bos taurus
562
Escherichia coli
HB101
plasmid
as described in Biochemistry 1988, 27, 2481-2489
pTI103
cattle
Bos
sample
9913
Bos taurus
1
3.18
61.34
VAPOR DIFFUSION, HANGING DROP
7.5
1.75 M ammonium sulfate, 0.1 M HEPES, 0.02% sodium azide, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
296
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Data collection
Refinement description
1
0
2006-01-24
1
1
2008-05-01
1
2
2011-07-13
1
3
2021-10-20
1
4
2023-08-30
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr2_auth_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr2_label_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr1_symmetry
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn.ptnr2_symmetry
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
wild-type BPTI complexed with trypsin
STRUCTURE OF A BPTI VARIANT (CYS14->SER) IN COMPLEX WITH TRYPSIN
STRUCTURE OF A BPTI VARIANT (CYS38->SER) IN COMPLEX WITH TRYPSIN
RCSB
Y
RCSB
2005-12-27
REL
REL
NA
SODIUM ION
CA
CALCIUM ION
SO4
SULFATE ION
EDO
1,2-ETHANEDIOL
HOH
water
2PTC
PDB ENTRY 2PTC
PDB
experimental model
NA
2001
3
NA
NA
2001
E
CA
2002
4
CA
CA
2002
E
SO4
2010
5
SO4
SO4
2010
E
SO4
2011
5
SO4
SO4
2011
E
EDO
1001
6
EDO
EDO
1001
E
EDO
1002
6
EDO
EDO
1002
E
EDO
1003
6
EDO
EDO
1003
E
EDO
1004
6
EDO
EDO
1004
E
EDO
1005
6
EDO
EDO
1005
E
EDO
1006
6
EDO
EDO
1006
E
CA
2003
4
CA
CA
2003
I
SO4
2004
5
SO4
SO4
2004
I
SO4
2005
5
SO4
SO4
2005
I
SO4
2006
5
SO4
SO4
2006
I
SO4
2007
5
SO4
SO4
2007
I
SO4
2008
5
SO4
SO4
2008
I
SO4
2009
5
SO4
SO4
2009
I
HOH
112
7
HOH
HOH
2012
E
HOH
116
7
HOH
HOH
2013
E
HOH
119
7
HOH
HOH
2014
E
HOH
120
7
HOH
HOH
2015
E
HOH
121
7
HOH
HOH
2016
E
HOH
122
7
HOH
HOH
2017
E
HOH
124
7
HOH
HOH
2018
E
HOH
125
7
HOH
HOH
2019
E
HOH
127
7
HOH
HOH
2020
E
HOH
128
7
HOH
HOH
2021
E
HOH
130
7
HOH
HOH
2022
E
HOH
134
7
HOH
HOH
2023
E
HOH
135
7
HOH
HOH
2024
E
HOH
137
7
HOH
HOH
2025
E
HOH
143
7
HOH
HOH
2026
E
HOH
144
7
HOH
HOH
2027
E
HOH
147
7
HOH
HOH
2028
E
HOH
148
7
HOH
HOH
2029
E
HOH
207
7
HOH
HOH
2030
E
HOH
210
7
HOH
HOH
2031
E
HOH
212
7
HOH
HOH
2032
E
HOH
213
7
HOH
HOH
2033
E
HOH
214
7
HOH
HOH
2034
E
HOH
218
7
HOH
HOH
2035
E
HOH
222
7
HOH
HOH
2036
E
HOH
223
7
HOH
HOH
2037
E
HOH
225
7
HOH
HOH
2038
E
HOH
226
7
HOH
HOH
2039
E
HOH
228
7
HOH
HOH
2040
E
HOH
232
7
HOH
HOH
2041
E
HOH
234
7
HOH
HOH
2042
E
HOH
235
7
HOH
HOH
2043
E
HOH
236
7
HOH
HOH
2044
E
HOH
242
7
HOH
HOH
2045
E
HOH
252
7
HOH
HOH
2046
E
HOH
253
7
HOH
HOH
2047
E
HOH
257
7
HOH
HOH
2048
E
HOH
260
7
HOH
HOH
2049
E
HOH
261
7
HOH
HOH
2050
E
HOH
264
7
HOH
HOH
2051
E
HOH
269
7
HOH
HOH
2052
E
HOH
274
7
HOH
HOH
2053
E
HOH
275
7
HOH
HOH
2054
E
HOH
285
7
HOH
HOH
2055
E
HOH
306
7
HOH
HOH
2056
E
HOH
312
7
HOH
HOH
2057
E
HOH
313
7
HOH
HOH
2058
E
HOH
402
7
HOH
HOH
2059
E
HOH
403
7
HOH
HOH
2060
E
HOH
405
7
HOH
HOH
2061
E
HOH
406
7
HOH
HOH
2062
E
HOH
410
7
HOH
HOH
2063
E
HOH
411
7
HOH
HOH
2064
E
HOH
420
7
HOH
HOH
2065
E
HOH
422
7
HOH
HOH
2066
E
HOH
423
7
HOH
HOH
2067
E
HOH
424
7
HOH
HOH
2068
E
HOH
427
7
HOH
HOH
2069
E
HOH
428
7
HOH
HOH
2070
E
HOH
431
7
HOH
HOH
2071
E
HOH
432
7
HOH
HOH
2072
E
HOH
434
7
HOH
HOH
2073
E
HOH
436
7
HOH
HOH
2074
E
HOH
437
7
HOH
HOH
2075
E
HOH
438
7
HOH
HOH
2076
E
HOH
440
7
HOH
HOH
2077
E
HOH
444
7
HOH
HOH
2078
E
HOH
445
7
HOH
HOH
2079
E
HOH
449
7
HOH
HOH
2080
E
HOH
451
7
HOH
HOH
2081
E
HOH
454
7
HOH
HOH
2082
E
HOH
455
7
HOH
HOH
2083
E
HOH
459
7
HOH
HOH
2084
E
HOH
460
7
HOH
HOH
2085
E
HOH
462
7
HOH
HOH
2086
E
HOH
463
7
HOH
HOH
2087
E
HOH
466
7
HOH
HOH
2088
E
HOH
467
7
HOH
HOH
2089
E
HOH
471
7
HOH
HOH
2090
E
HOH
472
7
HOH
HOH
2091
E
HOH
473
7
HOH
HOH
2092
E
HOH
474
7
HOH
HOH
2093
E
HOH
475
7
HOH
HOH
2094
E
HOH
478
7
HOH
HOH
2095
E
HOH
484
7
HOH
HOH
2096
E
HOH
487
7
HOH
HOH
2097
E
HOH
488
7
HOH
HOH
2098
E
HOH
490
7
HOH
HOH
2099
E
HOH
491
7
HOH
HOH
2100
E
HOH
492
7
HOH
HOH
2101
E
HOH
532
7
HOH
HOH
2102
E
HOH
536
7
HOH
HOH
2103
E
HOH
614
7
HOH
HOH
2104
E
HOH
642
7
HOH
HOH
2105
E
HOH
643
7
HOH
HOH
2106
E
HOH
645
7
HOH
HOH
2107
E
HOH
654
7
HOH
HOH
2108
E
HOH
713
7
HOH
HOH
2109
E
HOH
714
7
HOH
HOH
2110
E
HOH
719
7
HOH
HOH
2111
E
HOH
720
7
HOH
HOH
2112
E
HOH
721
7
HOH
HOH
2113
E
HOH
724
7
HOH
HOH
2114
E
HOH
725
7
HOH
HOH
2115
E
HOH
727
7
HOH
HOH
2116
E
HOH
729
7
HOH
HOH
2117
E
HOH
730
7
HOH
HOH
2118
E
HOH
732
7
HOH
HOH
2119
E
HOH
735
7
HOH
HOH
2120
E
HOH
738
7
HOH
HOH
2121
E
HOH
741
7
HOH
HOH
2122
E
HOH
742
7
HOH
HOH
2123
E
HOH
746
7
HOH
HOH
2124
E
HOH
748
7
HOH
HOH
2125
E
HOH
749
7
HOH
HOH
2126
E
HOH
750
7
HOH
HOH
2127
E
HOH
751
7
HOH
HOH
2128
E
HOH
753
7
HOH
HOH
2129
E
HOH
755
7
HOH
HOH
2130
E
HOH
756
7
HOH
HOH
2131
E
HOH
757
7
HOH
HOH
2132
E
HOH
758
7
HOH
HOH
2133
E
HOH
763
7
HOH
HOH
2134
E
HOH
765
7
HOH
HOH
2135
E
HOH
767
7
HOH
HOH
2136
E
HOH
771
7
HOH
HOH
2137
E
HOH
772
7
HOH
HOH
2138
E
HOH
774
7
HOH
HOH
2139
E
HOH
777
7
HOH
HOH
2140
E
HOH
779
7
HOH
HOH
2141
E
HOH
781
7
HOH
HOH
2142
E
HOH
787
7
HOH
HOH
2143
E
HOH
788
7
HOH
HOH
2144
E
HOH
792
7
HOH
HOH
2145
E
HOH
794
7
HOH
HOH
2146
E
HOH
796
7
HOH
HOH
2147
E
HOH
799
7
HOH
HOH
2148
E
HOH
803
7
HOH
HOH
2149
E
HOH
809
7
HOH
HOH
2150
E
HOH
812
7
HOH
HOH
2151
E
HOH
813
7
HOH
HOH
2152
E
HOH
815
7
HOH
HOH
2153
E
HOH
816
7
HOH
HOH
2154
E
HOH
817
7
HOH
HOH
2155
E
HOH
824
7
HOH
HOH
2156
E
HOH
826
7
HOH
HOH
2157
E
HOH
827
7
HOH
HOH
2158
E
HOH
830
7
HOH
HOH
2159
E
HOH
831
7
HOH
HOH
2160
E
HOH
832
7
HOH
HOH
2161
E
HOH
834
7
HOH
HOH
2162
E
HOH
836
7
HOH
HOH
2163
E
HOH
837
7
HOH
HOH
2164
E
HOH
840
7
HOH
HOH
2165
E
HOH
842
7
HOH
HOH
2166
E
HOH
846
7
HOH
HOH
2167
E
HOH
855
7
HOH
HOH
2168
E
HOH
856
7
HOH
HOH
2169
E
HOH
858
7
HOH
HOH
2170
E
HOH
866
7
HOH
HOH
2171
E
HOH
867
7
HOH
HOH
2172
E
HOH
868
7
HOH
HOH
2173
E
HOH
869
7
HOH
HOH
2174
E
HOH
871
7
HOH
HOH
2175
E
HOH
873
7
HOH
HOH
2176
E
HOH
874
7
HOH
HOH
2177
E
HOH
875
7
HOH
HOH
2178
E
HOH
878
7
HOH
HOH
2179
E
HOH
883
7
HOH
HOH
2180
E
HOH
884
7
HOH
HOH
2181
E
HOH
885
7
HOH
HOH
2182
E
HOH
886
7
HOH
HOH
2183
E
HOH
887
7
HOH
HOH
2184
E
HOH
888
7
HOH
HOH
2185
E
HOH
891
7
HOH
HOH
2186
E
HOH
895
7
HOH
HOH
2187
E
HOH
896
7
HOH
HOH
2188
E
HOH
897
7
HOH
HOH
2189
E
HOH
105
7
HOH
HOH
105
I
HOH
109
7
HOH
HOH
109
I
HOH
113
7
HOH
HOH
113
I
HOH
115
7
HOH
HOH
115
I
HOH
138
7
HOH
HOH
138
I
HOH
203
7
HOH
HOH
203
I
HOH
220
7
HOH
HOH
220
I
HOH
229
7
HOH
HOH
229
I
HOH
233
7
HOH
HOH
233
I
HOH
272
7
HOH
HOH
272
I
HOH
273
7
HOH
HOH
273
I
HOH
404
7
HOH
HOH
404
I
HOH
407
7
HOH
HOH
407
I
HOH
421
7
HOH
HOH
421
I
HOH
426
7
HOH
HOH
426
I
HOH
429
7
HOH
HOH
429
I
HOH
430
7
HOH
HOH
430
I
HOH
441
7
HOH
HOH
441
I
HOH
457
7
HOH
HOH
457
I
HOH
461
7
HOH
HOH
461
I
HOH
468
7
HOH
HOH
468
I
HOH
476
7
HOH
HOH
476
I
HOH
479
7
HOH
HOH
479
I
HOH
482
7
HOH
HOH
482
I
HOH
483
7
HOH
HOH
483
I
HOH
513
7
HOH
HOH
513
I
HOH
524
7
HOH
HOH
524
I
HOH
610
7
HOH
HOH
610
I
HOH
615
7
HOH
HOH
615
I
HOH
620
7
HOH
HOH
620
I
HOH
653
7
HOH
HOH
653
I
HOH
705
7
HOH
HOH
705
I
HOH
710
7
HOH
HOH
710
I
HOH
717
7
HOH
HOH
717
I
HOH
728
7
HOH
HOH
728
I
HOH
733
7
HOH
HOH
733
I
HOH
736
7
HOH
HOH
736
I
HOH
737
7
HOH
HOH
737
I
HOH
744
7
HOH
HOH
744
I
HOH
745
7
HOH
HOH
745
I
HOH
754
7
HOH
HOH
754
I
HOH
759
7
HOH
HOH
759
I
HOH
762
7
HOH
HOH
762
I
HOH
766
7
HOH
HOH
766
I
HOH
768
7
HOH
HOH
768
I
HOH
770
7
HOH
HOH
770
I
HOH
776
7
HOH
HOH
776
I
HOH
780
7
HOH
HOH
780
I
HOH
784
7
HOH
HOH
784
I
HOH
786
7
HOH
HOH
786
I
HOH
789
7
HOH
HOH
789
I
HOH
791
7
HOH
HOH
791
I
HOH
797
7
HOH
HOH
797
I
HOH
802
7
HOH
HOH
802
I
HOH
819
7
HOH
HOH
819
I
HOH
820
7
HOH
HOH
820
I
HOH
829
7
HOH
HOH
829
I
HOH
833
7
HOH
HOH
833
I
HOH
839
7
HOH
HOH
839
I
HOH
848
7
HOH
HOH
848
I
HOH
849
7
HOH
HOH
849
I
HOH
850
7
HOH
HOH
850
I
HOH
853
7
HOH
HOH
853
I
HOH
859
7
HOH
HOH
859
I
HOH
862
7
HOH
HOH
862
I
HOH
864
7
HOH
HOH
864
I
HOH
870
7
HOH
HOH
870
I
HOH
872
7
HOH
HOH
872
I
HOH
881
7
HOH
HOH
881
I
HOH
890
7
HOH
HOH
890
I
HOH
907
7
HOH
HOH
907
I
ILE
16
n
1
ILE
16
E
VAL
17
n
2
VAL
17
E
GLY
18
n
3
GLY
18
E
GLY
19
n
4
GLY
19
E
TYR
20
n
5
TYR
20
E
THR
21
n
6
THR
21
E
CYS
22
n
7
CYS
22
E
GLY
23
n
8
GLY
23
E
ALA
24
n
9
ALA
24
E
ASN
25
n
10
ASN
25
E
THR
26
n
11
THR
26
E
VAL
27
n
12
VAL
27
E
PRO
28
n
13
PRO
28
E
TYR
29
n
14
TYR
29
E
GLN
30
n
15
GLN
30
E
VAL
31
n
16
VAL
31
E
SER
32
n
17
SER
32
E
LEU
33
n
18
LEU
33
E
ASN
34
n
19
ASN
34
E
SER
37
n
20
SER
37
E
GLY
38
n
21
GLY
38
E
TYR
39
n
22
TYR
39
E
HIS
40
n
23
HIS
40
E
PHE
41
n
24
PHE
41
E
CYS
42
n
25
CYS
42
E
GLY
43
n
26
GLY
43
E
GLY
44
n
27
GLY
44
E
SER
45
n
28
SER
45
E
LEU
46
n
29
LEU
46
E
ILE
47
n
30
ILE
47
E
ASN
48
n
31
ASN
48
E
SER
49
n
32
SER
49
E
GLN
50
n
33
GLN
50
E
TRP
51
n
34
TRP
51
E
VAL
52
n
35
VAL
52
E
VAL
53
n
36
VAL
53
E
SER
54
n
37
SER
54
E
ALA
55
n
38
ALA
55
E
ALA
56
n
39
ALA
56
E
HIS
57
n
40
HIS
57
E
CYS
58
n
41
CYS
58
E
TYR
59
n
42
TYR
59
E
LYS
60
n
43
LYS
60
E
SER
61
n
44
SER
61
E
GLY
62
n
45
GLY
62
E
ILE
63
n
46
ILE
63
E
GLN
64
n
47
GLN
64
E
VAL
65
n
48
VAL
65
E
ARG
66
n
49
ARG
66
E
LEU
67
n
50
LEU
67
E
GLY
69
n
51
GLY
69
E
GLU
70
n
52
GLU
70
E
ASP
71
n
53
ASP
71
E
ASN
72
n
54
ASN
72
E
ILE
73
n
55
ILE
73
E
ASN
74
n
56
ASN
74
E
VAL
75
n
57
VAL
75
E
VAL
76
n
58
VAL
76
E
GLU
77
n
59
GLU
77
E
GLY
78
n
60
GLY
78
E
ASN
79
n
61
ASN
79
E
GLU
80
n
62
GLU
80
E
GLN
81
n
63
GLN
81
E
PHE
82
n
64
PHE
82
E
ILE
83
n
65
ILE
83
E
SER
84
n
66
SER
84
E
ALA
85
n
67
ALA
85
E
SER
86
n
68
SER
86
E
LYS
87
n
69
LYS
87
E
SER
88
n
70
SER
88
E
ILE
89
n
71
ILE
89
E
VAL
90
n
72
VAL
90
E
HIS
91
n
73
HIS
91
E
PRO
92
n
74
PRO
92
E
SER
93
n
75
SER
93
E
TYR
94
n
76
TYR
94
E
ASN
95
n
77
ASN
95
E
SER
96
n
78
SER
96
E
ASN
97
n
79
ASN
97
E
THR
98
n
80
THR
98
E
LEU
99
n
81
LEU
99
E
ASN
100
n
82
ASN
100
E
ASN
101
n
83
ASN
101
E
ASP
102
n
84
ASP
102
E
ILE
103
n
85
ILE
103
E
MET
104
n
86
MET
104
E
LEU
105
n
87
LEU
105
E
ILE
106
n
88
ILE
106
E
LYS
107
n
89
LYS
107
E
LEU
108
n
90
LEU
108
E
LYS
109
n
91
LYS
109
E
SER
110
n
92
SER
110
E
ALA
111
n
93
ALA
111
E
ALA
112
n
94
ALA
112
E
SER
113
n
95
SER
113
E
LEU
114
n
96
LEU
114
E
ASN
115
n
97
ASN
115
E
SER
116
n
98
SER
116
E
ARG
117
n
99
ARG
117
E
VAL
118
n
100
VAL
118
E
ALA
119
n
101
ALA
119
E
SER
120
n
102
SER
120
E
ILE
121
n
103
ILE
121
E
SER
122
n
104
SER
122
E
LEU
123
n
105
LEU
123
E
PRO
124
n
106
PRO
124
E
THR
125
n
107
THR
125
E
SER
127
n
108
SER
127
E
CYS
128
n
109
CYS
128
E
ALA
129
n
110
ALA
129
E
SER
130
n
111
SER
130
E
ALA
132
n
112
ALA
132
E
GLY
133
n
113
GLY
133
E
THR
134
n
114
THR
134
E
GLN
135
n
115
GLN
135
E
CYS
136
n
116
CYS
136
E
LEU
137
n
117
LEU
137
E
ILE
138
n
118
ILE
138
E
SER
139
n
119
SER
139
E
GLY
140
n
120
GLY
140
E
TRP
141
n
121
TRP
141
E
GLY
142
n
122
GLY
142
E
ASN
143
n
123
ASN
143
E
THR
144
n
124
THR
144
E
LYS
145
n
125
LYS
145
E
SER
146
n
126
SER
146
E
SER
147
n
127
SER
147
E
GLY
148
n
128
GLY
148
E
THR
149
n
129
THR
149
E
SER
150
n
130
SER
150
E
TYR
151
n
131
TYR
151
E
PRO
152
n
132
PRO
152
E
ASP
153
n
133
ASP
153
E
VAL
154
n
134
VAL
154
E
LEU
155
n
135
LEU
155
E
LYS
156
n
136
LYS
156
E
CYS
157
n
137
CYS
157
E
LEU
158
n
138
LEU
158
E
LYS
159
n
139
LYS
159
E
ALA
160
n
140
ALA
160
E
PRO
161
n
141
PRO
161
E
ILE
162
n
142
ILE
162
E
LEU
163
n
143
LEU
163
E
SER
164
n
144
SER
164
E
ASP
165
n
145
ASP
165
E
SER
166
n
146
SER
166
E
SER
167
n
147
SER
167
E
CYS
168
n
148
CYS
168
E
LYS
169
n
149
LYS
169
E
SER
170
n
150
SER
170
E
ALA
171
n
151
ALA
171
E
TYR
172
n
152
TYR
172
E
PRO
173
n
153
PRO
173
E
GLY
174
n
154
GLY
174
E
GLN
175
n
155
GLN
175
E
ILE
176
n
156
ILE
176
E
THR
177
n
157
THR
177
E
SER
178
n
158
SER
178
E
ASN
179
n
159
ASN
179
E
MET
180
n
160
MET
180
E
PHE
181
n
161
PHE
181
E
CYS
182
n
162
CYS
182
E
ALA
183
n
163
ALA
183
E
GLY
184
n
164
A
GLY
184
E
TYR
184
n
165
TYR
184
E
LEU
185
n
166
LEU
185
E
GLU
186
n
167
GLU
186
E
GLY
187
n
168
GLY
187
E
GLY
188
n
169
A
GLY
188
E
LYS
188
n
170
LYS
188
E
ASP
189
n
171
ASP
189
E
SER
190
n
172
SER
190
E
CYS
191
n
173
CYS
191
E
GLN
192
n
174
GLN
192
E
GLY
193
n
175
GLY
193
E
ASP
194
n
176
ASP
194
E
SER
195
n
177
SER
195
E
GLY
196
n
178
GLY
196
E
GLY
197
n
179
GLY
197
E
PRO
198
n
180
PRO
198
E
VAL
199
n
181
VAL
199
E
VAL
200
n
182
VAL
200
E
CYS
201
n
183
CYS
201
E
SER
202
n
184
SER
202
E
GLY
203
n
185
GLY
203
E
LYS
204
n
186
LYS
204
E
LEU
209
n
187
LEU
209
E
GLN
210
n
188
GLN
210
E
GLY
211
n
189
GLY
211
E
ILE
212
n
190
ILE
212
E
VAL
213
n
191
VAL
213
E
SER
214
n
192
SER
214
E
TRP
215
n
193
TRP
215
E
GLY
216
n
194
GLY
216
E
SER
217
n
195
SER
217
E
GLY
219
n
196
GLY
219
E
CYS
220
n
197
CYS
220
E
ALA
221
n
198
A
ALA
221
E
GLN
221
n
199
GLN
221
E
LYS
222
n
200
LYS
222
E
ASN
223
n
201
ASN
223
E
LYS
224
n
202
LYS
224
E
PRO
225
n
203
PRO
225
E
GLY
226
n
204
GLY
226
E
VAL
227
n
205
VAL
227
E
TYR
228
n
206
TYR
228
E
THR
229
n
207
THR
229
E
LYS
230
n
208
LYS
230
E
VAL
231
n
209
VAL
231
E
CYS
232
n
210
CYS
232
E
ASN
233
n
211
ASN
233
E
TYR
234
n
212
TYR
234
E
VAL
235
n
213
VAL
235
E
SER
236
n
214
SER
236
E
TRP
237
n
215
TRP
237
E
ILE
238
n
216
ILE
238
E
LYS
239
n
217
LYS
239
E
GLN
240
n
218
GLN
240
E
THR
241
n
219
THR
241
E
ILE
242
n
220
ILE
242
E
ALA
243
n
221
ALA
243
E
SER
244
n
222
SER
244
E
ASN
245
n
223
ASN
245
E
ARG
1
n
1
ARG
1
I
PRO
2
n
2
PRO
2
I
ASP
3
n
3
ASP
3
I
PHE
4
n
4
PHE
4
I
CYS
5
n
5
CYS
5
I
LEU
6
n
6
LEU
6
I
GLU
7
n
7
GLU
7
I
PRO
8
n
8
PRO
8
I
PRO
9
n
9
PRO
9
I
TYR
10
n
10
TYR
10
I
THR
11
n
11
THR
11
I
GLY
12
n
12
GLY
12
I
PRO
13
n
13
PRO
13
I
SER
14
n
14
SER
14
I
LYS
15
n
15
LYS
15
I
ALA
16
n
16
ALA
16
I
ARG
17
n
17
ARG
17
I
ILE
18
n
18
ILE
18
I
ILE
19
n
19
ILE
19
I
ARG
20
n
20
ARG
20
I
TYR
21
n
21
TYR
21
I
PHE
22
n
22
PHE
22
I
TYR
23
n
23
TYR
23
I
ASN
24
n
24
ASN
24
I
ALA
25
n
25
ALA
25
I
LYS
26
n
26
LYS
26
I
ALA
27
n
27
ALA
27
I
GLY
28
n
28
GLY
28
I
LEU
29
n
29
LEU
29
I
CYS
30
n
30
CYS
30
I
GLN
31
n
31
GLN
31
I
THR
32
n
32
THR
32
I
PHE
33
n
33
PHE
33
I
VAL
34
n
34
VAL
34
I
TYR
35
n
35
TYR
35
I
GLY
36
n
36
GLY
36
I
GLY
37
n
37
GLY
37
I
SER
38
n
38
SER
38
I
ARG
39
n
39
ARG
39
I
ALA
40
n
40
ALA
40
I
LYS
41
n
41
LYS
41
I
ARG
42
n
42
ARG
42
I
ASN
43
n
43
ASN
43
I
ASN
44
n
44
ASN
44
I
PHE
45
n
45
PHE
45
I
LYS
46
n
46
LYS
46
I
SER
47
n
47
SER
47
I
ALA
48
n
48
ALA
48
I
GLU
49
n
49
GLU
49
I
ASP
50
n
50
ASP
50
I
CYS
51
n
51
CYS
51
I
MET
52
n
52
MET
52
I
ARG
53
n
53
ARG
53
I
THR
54
n
54
THR
54
I
CYS
55
n
55
CYS
55
I
GLY
56
n
56
GLY
56
I
GLY
57
n
57
GLY
57
I
ALA
58
n
58
ALA
58
I
author_and_software_defined_assembly
PISA
2
dimeric
software_defined_assembly
PISA
8
octameric
software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
4
tetrameric
software_defined_assembly
PISA
2
dimeric
4160
-100
11920
25380
-538
39110
10710
-239
21450
9890
-225
22350
8220
-243
24030
6100
-219
26150
3670
-110
12410
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
E
ASN
72
A
O
ASN
54
1_555
91.7
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
E
VAL
75
A
O
VAL
57
1_555
163.9
E
ASN
72
A
O
ASN
54
1_555
E
CA
2002
D
CA
CA
1_555
E
VAL
75
A
O
VAL
57
1_555
80.3
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
103.0
E
ASN
72
A
O
ASN
54
1_555
E
CA
2002
D
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
160.5
E
VAL
75
A
O
VAL
57
1_555
E
CA
2002
D
CA
CA
1_555
E
GLU
80
A
OE2
GLU
62
1_555
88.2
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2025
T
O
HOH
1_555
82.8
E
ASN
72
A
O
ASN
54
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2025
T
O
HOH
1_555
86.8
E
VAL
75
A
O
VAL
57
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2025
T
O
HOH
1_555
110.5
E
GLU
80
A
OE2
GLU
62
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2025
T
O
HOH
1_555
82.5
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
78.8
E
ASN
72
A
O
ASN
54
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
102.5
E
VAL
75
A
O
VAL
57
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
89.2
E
GLU
80
A
OE2
GLU
62
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
92.9
E
HOH
2025
T
O
HOH
1_555
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
159.6
E
ASP
71
A
OD2
ASP
53
1_555
E
NA
2001
C
NA
NA
1_555
E
GLU
77
A
OE2
GLU
59
1_555
122.7
I
THR
32
B
N
THR
32
1_555
I
CA
2003
M
CA
CA
1_555
I
THR
32
B
N
THR
32
4_575
128.7
I
THR
32
B
N
THR
32
1_555
I
CA
2003
M
CA
CA
1_555
I
HOH
907
U
O
HOH
1_555
136.3
I
THR
32
B
N
THR
32
4_575
I
CA
2003
M
CA
CA
1_555
I
HOH
907
U
O
HOH
1_555
81.8
I
THR
32
B
N
THR
32
1_555
I
CA
2003
M
CA
CA
1_555
I
HOH
907
U
O
HOH
4_575
81.8
I
THR
32
B
N
THR
32
4_575
I
CA
2003
M
CA
CA
1_555
I
HOH
907
U
O
HOH
4_575
136.3
I
HOH
907
U
O
HOH
1_555
I
CA
2003
M
CA
CA
1_555
I
HOH
907
U
O
HOH
4_575
96.0
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_575
-x,-y+2,z
crystal symmetry operation
0.0000000000
163.4960000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
3_555
-x,y,-z
crystal symmetry 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
4_575
x,-y+2,-z
crystal symmetry operation
0.0000000000
163.4960000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
4_566
x,-y+1,-z+1
crystal symmetry operation
0.0000000000
81.7480000000
124.2740000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
6_565
-x+1/2,-y+3/2,z+1/2
crystal symmetry operation
37.3720000000
122.6220000000
62.1370000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
7_545
-x+1/2,y-1/2,-z+1/2
crystal symmetry operation
37.3720000000
-40.8740000000
62.1370000000
E
N
TYR
20
A
N
TYR
5
E
O
CYS
157
A
O
CYS
137
E
O
LEU
158
A
O
LEU
138
E
N
ILE
138
A
N
ILE
118
E
N
LEU
137
A
N
LEU
117
E
O
VAL
200
A
O
VAL
182
E
N
CYS
201
A
N
CYS
183
E
O
LYS
204
A
O
LYS
186
E
N
TRP
215
A
N
TRP
193
E
O
VAL
227
A
O
VAL
205
E
O
TYR
228
A
O
TYR
206
E
N
PHE
181
A
N
PHE
161
E
N
LEU
33
A
N
LEU
18
E
O
CYS
42
A
O
CYS
25
E
N
SER
45
A
N
SER
28
E
O
VAL
53
A
O
VAL
36
E
N
VAL
52
A
N
VAL
35
E
O
ILE
106
A
O
ILE
88
E
O
LEU
105
A
O
LEU
87
E
N
ILE
89
A
N
ILE
71
E
O
ILE
83
A
O
ILE
65
E
N
VAL
65
A
N
VAL
48
E
O
ARG
66
A
O
ARG
49
E
N
SER
32
A
N
SER
17
I
N
ILE
18
B
N
ILE
18
I
O
TYR
35
B
O
TYR
35
1
I
CA
2003
M
CA
1
E
CD
LYS
145
A
CD
LYS
125
1
Y
1
E
CE
LYS
145
A
CE
LYS
125
1
Y
1
E
NZ
LYS
145
A
NZ
LYS
125
1
Y
1
I
NE
ARG
39
B
NE
ARG
39
1
Y
1
I
CZ
ARG
39
B
CZ
ARG
39
1
Y
1
I
NH1
ARG
39
B
NH1
ARG
39
1
Y
1
I
NH2
ARG
39
B
NH2
ARG
39
1
Y
1
E
ASP
71
-130.39
-77.43
1
E
SER
150
-160.76
111.26
1
E
SER
150
-160.76
112.40
1
E
SER
214
-122.11
-68.49
14.4
Maximum-likelihood using measured intensities (mli) target implemented with CNS SOLVE 1.1
0.2177
0.2032
0.2044
0.2044
1.58
20.0
4237
52391
51979
99.2
RANDOM
1
ISOTROPIC
THROUGHOUT
0
-3
MOLECULAR REPLACEMENT
PDB ENTRY 2PTC
Engh & Huber
18.5858
0.360625
0.21
0.19
5.0
0.16
0.14
1.58
20.0
261
2551
71
0
2219
0.005
1.32
25.40
0.00
0.936
1.500
1.558
2.000
1.514
2.000
2.138
2.500
0.267
0.249
1.68
701
8219
6
95.3
0.26
0.22
1.81
696
8652
6
100.0
0.239
0.214
1.99
681
8657
6
100.0
0.222
0.207
2.28
704
8695
6
100.0
0.222
0.204
2.87
694
8777
6
100.0
0.189
0.186
20.0
761
8979
6
99.9
1.56
20
2FI3
54071
53322
0
-3
0.043
1
20.4
8.0
98.6
0.186
1.56
1.62
3.8
4633
2.3
86.7
data collection
HKL-2000
data scaling
SCALEPACK
refinement
CNS
data reduction
HKL-2000
phasing
CNS
Crystal structure of a BPTI variant (Cys14->Ser, Cys38->Ser) in complex with trypsin
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
6
N
N
6
N
N
6
N
N
6
N
N
6
N
N
6
N
N
4
N
N
5
N
N
5
N
N
5
N
N
5
N
N
5
N
N
5
N
N
7
N
N
7
N
N
E
ALA
55
A
ALA
38
HELX_P
E
TYR
59
A
TYR
42
5
1
5
E
SER
164
A
SER
144
HELX_P
E
TYR
172
A
TYR
152
1
2
9
E
TYR
234
A
TYR
212
HELX_P
E
SER
244
A
SER
222
1
3
11
I
ASP
3
B
ASP
3
HELX_P
I
GLU
7
B
GLU
7
5
4
5
I
SER
47
B
SER
47
HELX_P
I
GLY
56
B
GLY
56
1
5
10
disulf
2.033
E
CYS
22
A
SG
CYS
7
1_555
E
CYS
157
A
SG
CYS
137
1_555
disulf
2.037
E
CYS
42
A
SG
CYS
25
1_555
E
CYS
58
A
SG
CYS
41
1_555
disulf
2.034
E
CYS
128
A
SG
CYS
109
1_555
E
CYS
232
A
SG
CYS
210
1_555
disulf
2.030
E
CYS
136
A
SG
CYS
116
1_555
E
CYS
201
A
SG
CYS
183
1_555
disulf
2.035
E
CYS
168
A
SG
CYS
148
1_555
E
CYS
182
A
SG
CYS
162
1_555
disulf
2.033
E
CYS
191
A
SG
CYS
173
1_555
E
CYS
220
A
SG
CYS
197
1_555
disulf
2.023
I
CYS
5
B
SG
CYS
5
1_555
I
CYS
55
B
SG
CYS
55
1_555
disulf
2.034
I
CYS
30
B
SG
CYS
30
1_555
I
CYS
51
B
SG
CYS
51
1_555
metalc
2.271
E
GLU
70
A
OE2
GLU
52
1_555
E
CA
2002
D
CA
CA
1_555
metalc
2.656
E
ASP
71
A
OD2
ASP
53
1_555
E
NA
2001
C
NA
NA
1_555
metalc
2.354
E
ASN
72
A
O
ASN
54
1_555
E
CA
2002
D
CA
CA
1_555
metalc
2.243
E
VAL
75
A
O
VAL
57
1_555
E
CA
2002
D
CA
CA
1_555
metalc
2.715
E
GLU
77
A
OE2
GLU
59
1_555
E
NA
2001
C
NA
NA
1_555
metalc
2.289
E
GLU
80
A
OE2
GLU
62
1_555
E
CA
2002
D
CA
CA
1_555
metalc
2.339
E
CA
2002
D
CA
CA
1_555
E
HOH
2025
T
O
HOH
1_555
metalc
2.362
E
CA
2002
D
CA
CA
1_555
E
HOH
2056
T
O
HOH
1_555
metalc
2.777
I
THR
32
B
N
THR
32
1_555
I
CA
2003
M
CA
CA
1_555
metalc
2.777
I
THR
32
B
N
THR
32
4_575
I
CA
2003
M
CA
CA
1_555
metalc
2.706
I
HOH
907
U
O
HOH
1_555
I
CA
2003
M
CA
CA
1_555
metalc
2.706
I
HOH
907
U
O
HOH
4_575
I
CA
2003
M
CA
CA
1_555
hydrolase/hydrolase inhibitor
PROTEASE-INHIBITOR COMPLEX, hydrolase-hydrolase inhibitor COMPLEX
TRY1_BOVIN
UNP
1
21
P00760
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
BPT1_BOVIN
UNP
2
36
P00974
RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
21
243
2FI3
16
238
P00760
E
1
1
216
36
93
2FI3
1
58
P00974
I
2
1
58
2
CYS
engineered mutation
SER
14
2FI3
I
P00974
UNP
49
14
2
CYS
engineered mutation
SER
38
2FI3
I
P00974
UNP
73
38
7
7
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
E
TYR
20
A
TYR
5
E
THR
21
A
THR
6
E
LYS
156
A
LYS
136
E
PRO
161
A
PRO
141
E
GLN
135
A
GLN
115
E
GLY
140
A
GLY
120
E
PRO
198
A
PRO
180
E
CYS
201
A
CYS
183
E
LYS
204
A
LYS
186
E
TRP
215
A
TRP
193
E
GLY
226
A
GLY
204
E
LYS
230
A
LYS
208
E
MET
180
A
MET
160
E
ALA
183
A
ALA
163
E
GLN
30
A
GLN
15
E
ASN
34
A
ASN
19
E
HIS
40
A
HIS
23
E
ASN
48
A
ASN
31
E
TRP
51
A
TRP
34
E
SER
54
A
SER
37
E
MET
104
A
MET
86
E
LEU
108
A
LEU
90
E
GLN
81
A
GLN
63
E
VAL
90
A
VAL
72
E
GLN
64
A
GLN
47
E
LEU
67
A
LEU
50
E
GLN
30
A
GLN
15
E
ASN
34
A
ASN
19
I
ILE
18
B
ILE
18
I
ASN
24
B
ASN
24
I
LEU
29
B
LEU
29
I
TYR
35
B
TYR
35
BINDING SITE FOR RESIDUE NA E 2001
E
NA
2001
Software
2
BINDING SITE FOR RESIDUE CA E 2002
E
CA
2002
Software
6
BINDING SITE FOR RESIDUE CA I 2003
I
CA
2003
Software
6
BINDING SITE FOR RESIDUE SO4 I 2004
I
SO4
2004
Software
8
BINDING SITE FOR RESIDUE SO4 I 2005
I
SO4
2005
Software
8
BINDING SITE FOR RESIDUE SO4 I 2006
I
SO4
2006
Software
9
BINDING SITE FOR RESIDUE SO4 I 2007
I
SO4
2007
Software
9
BINDING SITE FOR RESIDUE SO4 I 2008
I
SO4
2008
Software
5
BINDING SITE FOR RESIDUE SO4 I 2009
I
SO4
2009
Software
5
BINDING SITE FOR RESIDUE SO4 E 2010
E
SO4
2010
Software
5
BINDING SITE FOR RESIDUE SO4 E 2011
E
SO4
2011
Software
5
BINDING SITE FOR RESIDUE EDO E 1001
E
EDO
1001
Software
5
BINDING SITE FOR RESIDUE EDO E 1002
E
EDO
1002
Software
3
BINDING SITE FOR RESIDUE EDO E 1003
E
EDO
1003
Software
3
BINDING SITE FOR RESIDUE EDO E 1004
E
EDO
1004
Software
1
BINDING SITE FOR RESIDUE EDO E 1005
E
EDO
1005
Software
3
BINDING SITE FOR RESIDUE EDO E 1006
E
EDO
1006
Software
4
E
ASP
71
A
ASP
53
2
1_555
E
GLU
77
A
GLU
59
2
1_555
E
GLU
70
A
GLU
52
6
1_555
E
ASN
72
A
ASN
54
6
1_555
E
VAL
75
A
VAL
57
6
1_555
E
GLU
80
A
GLU
62
6
1_555
E
HOH
2025
T
HOH
6
1_555
E
HOH
2056
T
HOH
6
1_555
I
GLN
31
B
GLN
31
6
4_575
I
GLN
31
B
GLN
31
6
1_555
I
THR
32
B
THR
32
6
1_555
I
THR
32
B
THR
32
6
4_575
I
HOH
907
U
HOH
6
4_575
I
HOH
907
U
HOH
6
1_555
I
GLU
7
B
GLU
7
8
1_555
I
ARG
42
B
ARG
42
8
1_555
I
HOH
138
U
HOH
8
1_555
I
HOH
524
U
HOH
8
1_555
I
HOH
733
U
HOH
8
1_555
I
HOH
819
U
HOH
8
1_555
I
HOH
839
U
HOH
8
1_555
I
HOH
872
U
HOH
8
1_555
I
ARG
20
B
ARG
20
8
1_555
I
TYR
35
B
TYR
35
8
1_555
I
GLY
37
B
GLY
37
8
1_555
I
ALA
40
B
ALA
40
8
1_555
I
HOH
717
U
HOH
8
1_555
I
HOH
736
U
HOH
8
1_555
I
HOH
766
U
HOH
8
1_555
I
HOH
864
U
HOH
8
1_555
E
LYS
87
A
LYS
69
9
2_575
E
LYS
107
A
LYS
89
9
2_575
E
HOH
2059
T
HOH
9
2_575
E
HOH
2075
T
HOH
9
2_575
E
HOH
2124
T
HOH
9
2_575
E
HOH
2177
T
HOH
9
7_555
I
ARG
1
B
ARG
1
9
1_555
I
ARG
42
B
ARG
42
9
1_555
I
HOH
881
U
HOH
9
1_555
E
GLN
50
A
GLN
33
9
2_575
E
LYS
107
A
LYS
89
9
2_575
E
SER
164
A
SER
144
9
7_555
E
ASP
165
A
ASP
145
9
7_555
E
SER
166
A
SER
146
9
7_555
E
HOH
2091
T
HOH
9
2_575
E
HOH
2125
T
HOH
9
2_575
E
HOH
2139
T
HOH
9
2_575
I
ARG
1
B
ARG
1
9
1_555
I
TYR
10
B
TYR
10
5
1_555
I
THR
11
B
THR
11
5
1_555
I
GLY
12
B
GLY
12
5
1_555
I
HOH
430
U
HOH
5
1_555
I
HOH
653
U
HOH
5
1_555
E
LYS
109
A
LYS
91
5
2_575
E
SER
110
A
SER
92
5
2_575
E
ALA
111
A
ALA
93
5
2_575
E
HOH
2041
T
HOH
5
2_575
I
ARG
1
B
ARG
1
5
1_555
E
SER
61
A
SER
44
5
1_555
E
HOH
2121
T
HOH
5
1_555
E
HOH
2149
T
HOH
5
1_555
I
LYS
46
B
LYS
46
5
2_575
I
LYS
46
B
LYS
46
5
1_555
E
LYS
169
A
LYS
149
5
1_555
E
PRO
173
A
PRO
153
5
1_555
E
GLY
174
A
GLY
154
5
1_555
E
HOH
2051
T
HOH
5
1_555
E
HOH
2169
T
HOH
5
1_555
E
ALA
129
A
ALA
110
5
1_555
E
PHE
181
A
PHE
161
5
1_555
E
GLN
210
A
GLN
188
5
1_555
E
LYS
230
A
LYS
208
5
1_555
E
HOH
2024
T
HOH
5
1_555
E
TYR
20
A
TYR
5
3
1_555
E
CYS
22
A
CYS
7
3
1_555
E
THR
26
A
THR
11
3
1_555
E
ASN
95
A
ASN
77
3
1_555
E
THR
98
A
THR
80
3
1_555
E
ASN
100
A
ASN
82
3
1_555
E
ASN
48
A
ASN
31
1
1_555
E
ASN
97
A
ASN
79
3
1_555
E
LEU
99
A
LEU
81
3
1_555
E
GLN
175
A
GLN
155
3
1_555
E
ASP
153
A
ASP
133
4
1_555
E
VAL
154
A
VAL
134
4
1_555
E
LYS
156
A
LYS
136
4
1_555
E
HOH
2081
T
HOH
4
1_555
23
I 2 2 2