0.013243
0.000000
0.000000
0.000000
0.011703
0.000000
0.000000
0.000000
0.008177
0.00000
0.00000
0.00000
SEE REMARK 4.
SEE REMARK 7.
SEE REMARK 8.
Bode, W.
Walter, J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
75.510
85.450
122.300
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
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
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
N
N
90
S
C
N
91
N
C
N
92
N
O
N
93
N
C
N
94
N
C
N
95
N
C
N
96
N
O
N
97
N
N
N
98
N
O
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
H
N
109
N
N
N
110
S
C
N
111
N
C
N
112
N
O
N
113
N
C
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
O
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
H
N
128
N
N
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
O
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
S
C
N
140
N
C
N
141
N
O
N
142
N
C
Y
143
N
C
Y
144
N
N
Y
145
N
C
Y
146
N
C
Y
147
N
N
N
148
N
O
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
H
N
159
N
O
N
160
N
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
S
C
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
O
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
H
N
184
N
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
O
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
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
N
N
215
N
O
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
H
N
231
N
N
N
232
S
C
N
233
N
C
N
234
N
O
N
235
N
C
N
236
N
C
N
237
N
S
N
238
N
C
N
239
N
O
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
H
N
251
N
N
N
252
S
C
N
253
N
C
N
254
N
O
N
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
N
262
N
O
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
H
N
274
N
N
N
275
S
C
N
276
N
C
N
277
N
O
N
278
N
C
N
279
N
C
N
280
N
C
N
281
N
O
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
H
N
291
N
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
N
C
N
296
N
O
N
297
N
O
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
H
N
305
N
S
N
306
N
O
N
307
N
O
N
308
N
O
N
309
N
O
N
310
N
N
N
311
S
C
N
312
N
C
N
313
N
O
N
314
R
C
N
315
N
O
N
316
N
C
N
317
N
O
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
H
N
327
N
N
N
328
S
C
N
329
N
C
N
330
N
O
N
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
N
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
Y
340
N
C
N
341
N
O
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
H
N
354
N
N
N
355
S
C
N
356
N
C
N
357
N
O
N
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
N
365
N
O
N
366
N
O
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
H
N
378
N
N
N
379
S
C
N
380
N
C
N
381
N
O
N
382
N
C
N
383
N
C
N
384
N
C
N
385
N
O
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
396
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
doub
N
291
N
doub
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
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
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
doub
N
317
N
sing
N
318
N
sing
N
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
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
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
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
doub
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
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
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
doub
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
sing
N
378
N
sing
N
379
N
sing
IX
Eur.J.Biochem.
EJBCAI
0262
0014-2956
144
185
190
10.1111/j.1432-1033.1984.tb08447.x
6207021
The refined 2.2-A (0.22-nm) X-ray crystal structure of the ternary complex formed by bovine trypsinogen, valine-valine and the Arg15 analogue of bovine pancreatic trypsin inhibitor
1984
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
127
357
The Transition of Bovine Trypsinogen to a Trypsin-Like State Upon Strong Ligand Binding. II. The Binding of the Pancreatic Trypsin Inhibitor and of Isoleucine-Valine and of Sequentially Related Peptides to Trypsinogen and to P-Guanidinobenzoate-Trypsinogen
1979
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
118
99
The Transition of Bovine Trypsinogen to a Trypsin-Like State Upon Strong Ligand Binding. The Refined Crystal Structures of the Bovine Trypsinogen-Pancreatic Trypsin Inhibitor Complex and of its Ternary Complex with Ile-Val at 1.9 Angstroms Resolution
1978
10.2210/pdb4tpi/pdb
pdb_00004tpi
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
24012.953
TRYPSINOGEN
3.4.21.4
1
nat
polymer
6555.582
BOVINE PANCREATIC TRYPSIN INHIBITOR
1
man
polymer
117.146
VALINE
2
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
96.063
SULFATE ION
2
syn
non-polymer
18.015
water
155
nat
water
no
no
VDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHP
SYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPG
QITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
VDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHP
SYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPG
QITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
Z
polypeptide(L)
no
no
RPDFCLEPPYTGPCRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
RPDFCLEPPYTGPCRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
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
n
n
n
n
n
n
cattle
Bos
sample
9913
PANCREAS
Bos taurus
3.20
61.60
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
pdbx_struct_conn_angle
struct_conn
struct_conn_type
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Other
1
0
1985-11-08
1
1
2008-03-25
1
2
2011-07-13
1
3
2024-06-05
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_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.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.value
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_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.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_type.id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1985-06-11
REL
VAL
VALINE
CA
CALCIUM ION
SO4
SULFATE ION
HOH
water
RESIDUE SER Z 195 HAS BEEN ALLOWED TO ACCESS INHIBITOR
RESIDUES FREELY, I. E. IT IS NOT RESTRICTED BY VAN DER
WAALS REPULSIONS. IN THE DEPOSITED DATA THIS RESIDUE WAS
IDENTIFIED AS *SIR* AND ATOM *OG* WAS IDENTIFIED AS *OI*.
THE RESIDUES 1016 AND 1017 REPRESENT A DIPEPTIDE (VAL-VAL) BOUND TO THE ENZYME
THE 229 AMINO ACIDS OF TRYPSINOGEN ARE IDENTIFIED BY THE
RESIDUE NUMBERS OF THE HOMOLOGOUS CHYMOTRYPSINOGEN.
IN THIS COMPLEX THE ZYMOGEN IS GIVEN THE CHAIN INDICATOR Z,
THE INHIBITOR IS GIVEN THE CHAIN INDICATOR I, AND THE
VAL-VAL DIPEPTIDE IS GIVEN THE CHAIN INDICATOR S.
A NULL (BLANK) CHAIN INDICATOR IS ASSIGNED TO ALL OTHER
MOLECULES. THE NOMENCLATURE OF THE WATER MOLECULES IS THAT
OF THE DEPOSITORS. TWO SOLVENT MOLECULES HAVE BEEN
IDENTIFIED AS SULFATE ANIONS. THE CALCIUM SITE IS
PARTIALLY OCCUPIED BY A CALCIUM ION. THE B-VALUES OF THE
ATOMS OF THE PROTEIN ARE SEPARATELY AVERAGED OVER ALL MAIN
CHAIN ATOMS (INCLUDING CB) AND THE REMAINING SIDE CHAIN
ATOMS, RESPECTIVELY, OF EACH RESIDUE. THE B-VALUES OF THE
SOLVENT MOLECULES ARE THE REFINED INDIVIDUAL VALUES.
VAL
1016
3
VAL
VAL
1016
Z
VAL
1017
3
VAL
VAL
1017
Z
CA
462
4
CA
CA
462
Z
SO4
59
5
SO4
SO4
59
I
SO4
60
5
SO4
SO4
60
I
HOH
401
6
HOH
HOH
401
Z
HOH
402
6
HOH
HOH
402
Z
HOH
403
6
HOH
HOH
403
Z
HOH
405
6
HOH
HOH
405
Z
HOH
406
6
HOH
HOH
406
Z
HOH
407
6
HOH
HOH
407
Z
HOH
408
6
HOH
HOH
408
Z
HOH
409
6
HOH
HOH
409
Z
HOH
410
6
HOH
HOH
410
Z
HOH
411
6
HOH
HOH
411
Z
HOH
412
6
HOH
HOH
412
Z
HOH
415
6
HOH
HOH
415
Z
HOH
416
6
HOH
HOH
416
Z
HOH
422
6
HOH
HOH
422
Z
HOH
429
6
HOH
HOH
429
Z
HOH
430
6
HOH
HOH
430
Z
HOH
431
6
HOH
HOH
431
Z
HOH
434
6
HOH
HOH
434
Z
HOH
435
6
HOH
HOH
435
Z
HOH
436
6
HOH
HOH
436
Z
HOH
437
6
HOH
HOH
437
Z
HOH
438
6
HOH
HOH
438
Z
HOH
439
6
HOH
HOH
439
Z
HOH
445
6
HOH
HOH
445
Z
HOH
447
6
HOH
HOH
447
Z
HOH
448
6
HOH
HOH
448
Z
HOH
456
6
HOH
HOH
456
Z
HOH
457
6
HOH
HOH
457
Z
HOH
463
6
HOH
HOH
463
Z
HOH
465
6
HOH
HOH
465
Z
HOH
466
6
HOH
HOH
466
Z
HOH
469
6
HOH
HOH
469
Z
HOH
470
6
HOH
HOH
470
Z
HOH
473
6
HOH
HOH
473
Z
HOH
475
6
HOH
HOH
475
Z
HOH
476
6
HOH
HOH
476
Z
HOH
477
6
HOH
HOH
477
Z
HOH
479
6
HOH
HOH
479
Z
HOH
481
6
HOH
HOH
481
Z
HOH
483
6
HOH
HOH
483
Z
HOH
487
6
HOH
HOH
487
Z
HOH
489
6
HOH
HOH
489
Z
HOH
491
6
HOH
HOH
491
Z
HOH
495
6
HOH
HOH
495
Z
HOH
498
6
HOH
HOH
498
Z
HOH
499
6
HOH
HOH
499
Z
HOH
502
6
HOH
HOH
502
Z
HOH
514
6
HOH
HOH
514
Z
HOH
516
6
HOH
HOH
516
Z
HOH
519
6
HOH
HOH
519
Z
HOH
520
6
HOH
HOH
520
Z
HOH
522
6
HOH
HOH
522
Z
HOH
523
6
HOH
HOH
523
Z
HOH
524
6
HOH
HOH
524
Z
HOH
526
6
HOH
HOH
526
Z
HOH
527
6
HOH
HOH
527
Z
HOH
528
6
HOH
HOH
528
Z
HOH
529
6
HOH
HOH
529
Z
HOH
530
6
HOH
HOH
530
Z
HOH
531
6
HOH
HOH
531
Z
HOH
534
6
HOH
HOH
534
Z
HOH
540
6
HOH
HOH
540
Z
HOH
541
6
HOH
HOH
541
Z
HOH
542
6
HOH
HOH
542
Z
HOH
543
6
HOH
HOH
543
Z
HOH
544
6
HOH
HOH
544
Z
HOH
545
6
HOH
HOH
545
Z
HOH
547
6
HOH
HOH
547
Z
HOH
549
6
HOH
HOH
549
Z
HOH
550
6
HOH
HOH
550
Z
HOH
551
6
HOH
HOH
551
Z
HOH
552
6
HOH
HOH
552
Z
HOH
554
6
HOH
HOH
554
Z
HOH
555
6
HOH
HOH
555
Z
HOH
556
6
HOH
HOH
556
Z
HOH
559
6
HOH
HOH
559
Z
HOH
560
6
HOH
HOH
560
Z
HOH
561
6
HOH
HOH
561
Z
HOH
562
6
HOH
HOH
562
Z
HOH
563
6
HOH
HOH
563
Z
HOH
566
6
HOH
HOH
566
Z
HOH
570
6
HOH
HOH
570
Z
HOH
571
6
HOH
HOH
571
Z
HOH
572
6
HOH
HOH
572
Z
HOH
573
6
HOH
HOH
573
Z
HOH
574
6
HOH
HOH
574
Z
HOH
575
6
HOH
HOH
575
Z
HOH
576
6
HOH
HOH
576
Z
HOH
577
6
HOH
HOH
577
Z
HOH
582
6
HOH
HOH
582
Z
HOH
583
6
HOH
HOH
583
Z
HOH
585
6
HOH
HOH
585
Z
HOH
592
6
HOH
HOH
592
Z
HOH
593
6
HOH
HOH
593
Z
HOH
594
6
HOH
HOH
594
Z
HOH
595
6
HOH
HOH
595
Z
HOH
597
6
HOH
HOH
597
Z
HOH
598
6
HOH
HOH
598
Z
HOH
599
6
HOH
HOH
599
Z
HOH
601
6
HOH
HOH
601
Z
HOH
602
6
HOH
HOH
602
Z
HOH
701
6
HOH
HOH
701
Z
HOH
702
6
HOH
HOH
702
Z
HOH
703
6
HOH
HOH
703
Z
HOH
704
6
HOH
HOH
704
Z
HOH
705
6
HOH
HOH
705
Z
HOH
706
6
HOH
HOH
706
Z
HOH
708
6
HOH
HOH
708
Z
HOH
709
6
HOH
HOH
709
Z
HOH
710
6
HOH
HOH
710
Z
HOH
711
6
HOH
HOH
711
Z
HOH
712
6
HOH
HOH
712
Z
HOH
713
6
HOH
HOH
713
Z
HOH
714
6
HOH
HOH
714
Z
HOH
715
6
HOH
HOH
715
Z
HOH
801
6
HOH
HOH
801
Z
HOH
802
6
HOH
HOH
802
Z
HOH
400
6
HOH
HOH
400
I
HOH
404
6
HOH
HOH
404
I
HOH
413
6
HOH
HOH
413
I
HOH
417
6
HOH
HOH
417
I
HOH
419
6
HOH
HOH
419
I
HOH
421
6
HOH
HOH
421
I
HOH
423
6
HOH
HOH
423
I
HOH
425
6
HOH
HOH
425
I
HOH
426
6
HOH
HOH
426
I
HOH
450
6
HOH
HOH
450
I
HOH
455
6
HOH
HOH
455
I
HOH
501
6
HOH
HOH
501
I
HOH
503
6
HOH
HOH
503
I
HOH
505
6
HOH
HOH
505
I
HOH
507
6
HOH
HOH
507
I
HOH
508
6
HOH
HOH
508
I
HOH
511
6
HOH
HOH
511
I
HOH
512
6
HOH
HOH
512
I
HOH
515
6
HOH
HOH
515
I
HOH
532
6
HOH
HOH
532
I
HOH
533
6
HOH
HOH
533
I
HOH
536
6
HOH
HOH
536
I
HOH
537
6
HOH
HOH
537
I
HOH
538
6
HOH
HOH
538
I
HOH
564
6
HOH
HOH
564
I
HOH
565
6
HOH
HOH
565
I
HOH
568
6
HOH
HOH
568
I
HOH
569
6
HOH
HOH
569
I
HOH
587
6
HOH
HOH
587
I
HOH
588
6
HOH
HOH
588
I
HOH
589
6
HOH
HOH
589
I
HOH
590
6
HOH
HOH
590
I
HOH
591
6
HOH
HOH
591
I
HOH
600
6
HOH
HOH
600
I
HOH
603
6
HOH
HOH
603
I
HOH
700
6
HOH
HOH
700
I
HOH
707
6
HOH
HOH
707
I
HOH
800
6
HOH
HOH
800
I
n
1
10
Z
n
2
11
Z
n
3
12
Z
n
4
13
Z
n
5
14
Z
n
6
15
Z
ILE
16
n
7
ILE
16
Z
VAL
17
n
8
VAL
17
Z
GLY
18
n
9
GLY
18
Z
GLY
19
n
10
GLY
19
Z
TYR
20
n
11
TYR
20
Z
THR
21
n
12
THR
21
Z
CYS
22
n
13
CYS
22
Z
GLY
23
n
14
GLY
23
Z
ALA
24
n
15
ALA
24
Z
ASN
25
n
16
ASN
25
Z
THR
26
n
17
THR
26
Z
VAL
27
n
18
VAL
27
Z
PRO
28
n
19
PRO
28
Z
TYR
29
n
20
TYR
29
Z
GLN
30
n
21
GLN
30
Z
VAL
31
n
22
VAL
31
Z
SER
32
n
23
SER
32
Z
LEU
33
n
24
LEU
33
Z
ASN
34
n
25
ASN
34
Z
SER
37
n
26
SER
37
Z
GLY
38
n
27
GLY
38
Z
TYR
39
n
28
TYR
39
Z
HIS
40
n
29
HIS
40
Z
PHE
41
n
30
PHE
41
Z
CYS
42
n
31
CYS
42
Z
GLY
43
n
32
GLY
43
Z
GLY
44
n
33
GLY
44
Z
SER
45
n
34
SER
45
Z
LEU
46
n
35
LEU
46
Z
ILE
47
n
36
ILE
47
Z
ASN
48
n
37
ASN
48
Z
SER
49
n
38
SER
49
Z
GLN
50
n
39
GLN
50
Z
TRP
51
n
40
TRP
51
Z
VAL
52
n
41
VAL
52
Z
VAL
53
n
42
VAL
53
Z
SER
54
n
43
SER
54
Z
ALA
55
n
44
ALA
55
Z
ALA
56
n
45
ALA
56
Z
HIS
57
n
46
HIS
57
Z
CYS
58
n
47
CYS
58
Z
TYR
59
n
48
TYR
59
Z
LYS
60
n
49
LYS
60
Z
SER
61
n
50
SER
61
Z
GLY
62
n
51
GLY
62
Z
ILE
63
n
52
ILE
63
Z
GLN
64
n
53
GLN
64
Z
VAL
65
n
54
VAL
65
Z
ARG
66
n
55
ARG
66
Z
LEU
67
n
56
LEU
67
Z
GLY
69
n
57
GLY
69
Z
GLU
70
n
58
GLU
70
Z
ASP
71
n
59
ASP
71
Z
ASN
72
n
60
ASN
72
Z
ILE
73
n
61
ILE
73
Z
ASN
74
n
62
ASN
74
Z
VAL
75
n
63
VAL
75
Z
VAL
76
n
64
VAL
76
Z
GLU
77
n
65
GLU
77
Z
GLY
78
n
66
GLY
78
Z
ASN
79
n
67
ASN
79
Z
GLU
80
n
68
GLU
80
Z
GLN
81
n
69
GLN
81
Z
PHE
82
n
70
PHE
82
Z
ILE
83
n
71
ILE
83
Z
SER
84
n
72
SER
84
Z
ALA
85
n
73
ALA
85
Z
SER
86
n
74
SER
86
Z
LYS
87
n
75
LYS
87
Z
SER
88
n
76
SER
88
Z
ILE
89
n
77
ILE
89
Z
VAL
90
n
78
VAL
90
Z
HIS
91
n
79
HIS
91
Z
PRO
92
n
80
PRO
92
Z
SER
93
n
81
SER
93
Z
TYR
94
n
82
TYR
94
Z
ASN
95
n
83
ASN
95
Z
SER
96
n
84
SER
96
Z
ASN
97
n
85
ASN
97
Z
THR
98
n
86
THR
98
Z
LEU
99
n
87
LEU
99
Z
ASN
100
n
88
ASN
100
Z
ASN
101
n
89
ASN
101
Z
ASP
102
n
90
ASP
102
Z
ILE
103
n
91
ILE
103
Z
MET
104
n
92
MET
104
Z
LEU
105
n
93
LEU
105
Z
ILE
106
n
94
ILE
106
Z
LYS
107
n
95
LYS
107
Z
LEU
108
n
96
LEU
108
Z
LYS
109
n
97
LYS
109
Z
SER
110
n
98
SER
110
Z
ALA
111
n
99
ALA
111
Z
ALA
112
n
100
ALA
112
Z
SER
113
n
101
SER
113
Z
LEU
114
n
102
LEU
114
Z
ASN
115
n
103
ASN
115
Z
SER
116
n
104
SER
116
Z
ARG
117
n
105
ARG
117
Z
VAL
118
n
106
VAL
118
Z
ALA
119
n
107
ALA
119
Z
SER
120
n
108
SER
120
Z
ILE
121
n
109
ILE
121
Z
SER
122
n
110
SER
122
Z
LEU
123
n
111
LEU
123
Z
PRO
124
n
112
PRO
124
Z
THR
125
n
113
THR
125
Z
SER
127
n
114
SER
127
Z
CYS
128
n
115
CYS
128
Z
ALA
129
n
116
ALA
129
Z
SER
130
n
117
SER
130
Z
ALA
132
n
118
ALA
132
Z
GLY
133
n
119
GLY
133
Z
THR
134
n
120
THR
134
Z
GLN
135
n
121
GLN
135
Z
CYS
136
n
122
CYS
136
Z
LEU
137
n
123
LEU
137
Z
ILE
138
n
124
ILE
138
Z
SER
139
n
125
SER
139
Z
GLY
140
n
126
GLY
140
Z
TRP
141
n
127
TRP
141
Z
GLY
142
n
128
GLY
142
Z
ASN
143
n
129
ASN
143
Z
THR
144
n
130
THR
144
Z
LYS
145
n
131
LYS
145
Z
SER
146
n
132
SER
146
Z
SER
147
n
133
SER
147
Z
GLY
148
n
134
GLY
148
Z
THR
149
n
135
THR
149
Z
SER
150
n
136
SER
150
Z
TYR
151
n
137
TYR
151
Z
PRO
152
n
138
PRO
152
Z
ASP
153
n
139
ASP
153
Z
VAL
154
n
140
VAL
154
Z
LEU
155
n
141
LEU
155
Z
LYS
156
n
142
LYS
156
Z
CYS
157
n
143
CYS
157
Z
LEU
158
n
144
LEU
158
Z
LYS
159
n
145
LYS
159
Z
ALA
160
n
146
ALA
160
Z
PRO
161
n
147
PRO
161
Z
ILE
162
n
148
ILE
162
Z
LEU
163
n
149
LEU
163
Z
SER
164
n
150
SER
164
Z
ASP
165
n
151
ASP
165
Z
SER
166
n
152
SER
166
Z
SER
167
n
153
SER
167
Z
CYS
168
n
154
CYS
168
Z
LYS
169
n
155
LYS
169
Z
SER
170
n
156
SER
170
Z
ALA
171
n
157
ALA
171
Z
TYR
172
n
158
TYR
172
Z
PRO
173
n
159
PRO
173
Z
GLY
174
n
160
GLY
174
Z
GLN
175
n
161
GLN
175
Z
ILE
176
n
162
ILE
176
Z
THR
177
n
163
THR
177
Z
SER
178
n
164
SER
178
Z
ASN
179
n
165
ASN
179
Z
MET
180
n
166
MET
180
Z
PHE
181
n
167
PHE
181
Z
CYS
182
n
168
CYS
182
Z
ALA
183
n
169
ALA
183
Z
GLY
184
n
170
A
GLY
184
Z
TYR
184
n
171
TYR
184
Z
LEU
185
n
172
LEU
185
Z
GLU
186
n
173
GLU
186
Z
GLY
187
n
174
GLY
187
Z
GLY
188
n
175
A
GLY
188
Z
LYS
188
n
176
LYS
188
Z
ASP
189
n
177
ASP
189
Z
SER
190
n
178
SER
190
Z
CYS
191
n
179
CYS
191
Z
GLN
192
n
180
GLN
192
Z
GLY
193
n
181
GLY
193
Z
ASP
194
n
182
ASP
194
Z
SER
195
n
183
SER
195
Z
GLY
196
n
184
GLY
196
Z
GLY
197
n
185
GLY
197
Z
PRO
198
n
186
PRO
198
Z
VAL
199
n
187
VAL
199
Z
VAL
200
n
188
VAL
200
Z
CYS
201
n
189
CYS
201
Z
SER
202
n
190
SER
202
Z
GLY
203
n
191
GLY
203
Z
LYS
204
n
192
LYS
204
Z
LEU
209
n
193
LEU
209
Z
GLN
210
n
194
GLN
210
Z
GLY
211
n
195
GLY
211
Z
ILE
212
n
196
ILE
212
Z
VAL
213
n
197
VAL
213
Z
SER
214
n
198
SER
214
Z
TRP
215
n
199
TRP
215
Z
GLY
216
n
200
GLY
216
Z
SER
217
n
201
SER
217
Z
GLY
219
n
202
GLY
219
Z
CYS
220
n
203
CYS
220
Z
ALA
221
n
204
A
ALA
221
Z
GLN
221
n
205
GLN
221
Z
LYS
222
n
206
LYS
222
Z
ASN
223
n
207
ASN
223
Z
LYS
224
n
208
LYS
224
Z
PRO
225
n
209
PRO
225
Z
GLY
226
n
210
GLY
226
Z
VAL
227
n
211
VAL
227
Z
TYR
228
n
212
TYR
228
Z
THR
229
n
213
THR
229
Z
LYS
230
n
214
LYS
230
Z
VAL
231
n
215
VAL
231
Z
CYS
232
n
216
CYS
232
Z
ASN
233
n
217
ASN
233
Z
TYR
234
n
218
TYR
234
Z
VAL
235
n
219
VAL
235
Z
SER
236
n
220
SER
236
Z
TRP
237
n
221
TRP
237
Z
ILE
238
n
222
ILE
238
Z
LYS
239
n
223
LYS
239
Z
GLN
240
n
224
GLN
240
Z
THR
241
n
225
THR
241
Z
ILE
242
n
226
ILE
242
Z
ALA
243
n
227
ALA
243
Z
SER
244
n
228
SER
244
Z
ASN
245
n
229
ASN
245
Z
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
CYS
14
n
14
CYS
14
I
ARG
15
n
15
ARG
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
CYS
38
n
38
CYS
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
2490
-47
11880
17340
-237
40140
6730
-107
22020
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
Z
ASN
72
A
O
ASN
60
1_555
83.7
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
Z
VAL
75
A
O
VAL
63
1_555
123.9
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
462
E
CA
CA
1_555
Z
VAL
75
A
O
VAL
63
1_555
69.0
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
Z
GLU
80
A
OE2
GLU
68
1_555
103.4
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
462
E
CA
CA
1_555
Z
GLU
80
A
OE2
GLU
68
1_555
144.1
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
462
E
CA
CA
1_555
Z
GLU
80
A
OE2
GLU
68
1_555
78.4
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
481
H
O
HOH
1_555
103.5
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
481
H
O
HOH
1_555
132.4
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
481
H
O
HOH
1_555
131.4
Z
GLU
80
A
OE2
GLU
68
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
481
H
O
HOH
1_555
80.8
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
65.4
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
71.4
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
59.8
Z
GLU
80
A
OE2
GLU
68
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
79.7
Z
HOH
481
H
O
HOH
1_555
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
154.3
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
170.9000000000
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
170.9000000000
0.0000000000
1
Z
N
GLY
18
A
N
GLY
9
0
Y
1
Z
CA
GLY
18
A
CA
GLY
9
0
Y
1
Z
OG
SER
37
A
OG
SER
26
0
Y
1
Z
OG
SER
61
A
OG
SER
50
0
Y
1
Z
OG
SER
96
A
OG
SER
84
0
Y
1
Z
CD
LYS
109
A
CD
LYS
97
0
Y
1
Z
CE
LYS
109
A
CE
LYS
97
0
Y
1
Z
NZ
LYS
109
A
NZ
LYS
97
0
Y
1
Z
CD
ARG
117
A
CD
ARG
105
0
Y
1
Z
NE
ARG
117
A
NE
ARG
105
0
Y
1
Z
CZ
ARG
117
A
CZ
ARG
105
0
Y
1
Z
NH1
ARG
117
A
NH1
ARG
105
0
Y
1
Z
NH2
ARG
117
A
NH2
ARG
105
0
Y
1
Z
OG
SER
122
A
OG
SER
110
0
Y
1
Z
OG1
THR
125
A
OG1
THR
113
0
Y
1
Z
CG2
THR
125
A
CG2
THR
113
0
Y
1
Z
OE1
GLN
135
A
OE1
GLN
121
0
Y
1
Z
NE2
GLN
135
A
NE2
GLN
121
0
Y
1
Z
CE
LYS
145
A
CE
LYS
131
0
Y
1
Z
NZ
LYS
145
A
NZ
LYS
131
0
Y
1
Z
OG
SER
146
A
OG
SER
132
0
Y
1
Z
OG
SER
147
A
OG
SER
133
0
Y
1
Z
OD1
ASP
153
A
OD1
ASP
139
0
Y
1
Z
OD2
ASP
153
A
OD2
ASP
139
0
Y
1
Z
NZ
LYS
159
A
NZ
LYS
145
0
Y
1
Z
OD1
ASP
165
A
OD1
ASP
151
0
Y
1
Z
OD2
ASP
165
A
OD2
ASP
151
0
Y
1
Z
OG
SER
166
A
OG
SER
152
0
Y
1
Z
NZ
LYS
169
A
NZ
LYS
155
0
Y
1
Z
CD
GLU
186
A
CD
GLU
173
0
Y
1
Z
OE1
GLU
186
A
OE1
GLU
173
0
Y
1
Z
OE2
GLU
186
A
OE2
GLU
173
0
Y
1
Z
CE
LYS
188
A
CE
LYS
176
0
Y
1
Z
NZ
LYS
188
A
NZ
LYS
176
0
Y
1
Z
OG
SER
202
A
OG
SER
190
0
Y
1
Z
CD
LYS
204
A
CD
LYS
192
0
Y
1
Z
CE
LYS
204
A
CE
LYS
192
0
Y
1
Z
NZ
LYS
204
A
NZ
LYS
192
0
Y
1
Z
OG
SER
217
A
OG
SER
201
0
Y
1
Z
OE1
GLN
221
A
OE1
GLN
205
0
Y
1
Z
NE2
GLN
221
A
NE2
GLN
205
0
Y
1
Z
CG
LYS
222
A
CG
LYS
206
0
Y
1
Z
CD
LYS
222
A
CD
LYS
206
0
Y
1
Z
CE
LYS
222
A
CE
LYS
206
0
Y
1
Z
NZ
LYS
222
A
NZ
LYS
206
0
Y
1
Z
CE
LYS
224
A
CE
LYS
208
0
Y
1
Z
NZ
LYS
224
A
NZ
LYS
208
0
Y
1
Z
OG
SER
236
A
OG
SER
220
0
Y
1
Z
CE
LYS
239
A
CE
LYS
223
0
Y
1
Z
NZ
LYS
239
A
NZ
LYS
223
0
Y
1
I
OD1
ASP
3
B
OD1
ASP
3
0
Y
1
I
OD2
ASP
3
B
OD2
ASP
3
0
Y
1
I
CG
GLU
7
B
CG
GLU
7
0
Y
1
I
CD
GLU
7
B
CD
GLU
7
0
Y
1
I
OE1
GLU
7
B
OE1
GLU
7
0
Y
1
I
OE2
GLU
7
B
OE2
GLU
7
0
Y
1
I
CG
LYS
26
B
CG
LYS
26
0
Y
1
I
CD
LYS
26
B
CD
LYS
26
0
Y
1
I
CE
LYS
26
B
CE
LYS
26
0
Y
1
I
NZ
LYS
26
B
NZ
LYS
26
0
Y
1
I
NZ
LYS
41
B
NZ
LYS
41
0
Y
1
I
OE1
GLU
49
B
OE1
GLU
49
0
Y
1
I
OE2
GLU
49
B
OE2
GLU
49
0
Y
1
I
CE
MET
52
B
CE
MET
52
0
Y
1
I
O
GLY
57
B
O
GLY
57
0
Y
1
I
OXT
ALA
58
B
OXT
ALA
58
0
Y
1
Z
VAL
10
A
VAL
1
1
Y
1
Z
ASP
11
A
ASP
2
1
Y
1
Z
ASP
12
A
ASP
3
1
Y
1
Z
ASP
13
A
ASP
4
1
Y
1
Z
ASP
14
A
ASP
5
1
Y
1
Z
LYS
15
A
LYS
6
1
Y
1
Z
ILE
16
A
ILE
7
0
Y
1
Z
VAL
17
A
VAL
8
0
Y
1
I
ARG
1
B
ARG
1
0
Y
1
I
PRO
2
B
PRO
2
0
Y
1
Z
VAL
27
12.66
1
Z
ASN
34
-10.36
1
Z
LYS
60
-10.59
1
Z
GLU
70
-10.11
1
Z
ASP
71
-11.12
1
Z
GLN
81
12.49
1
Z
SER
113
11.64
1
Z
THR
125
-11.51
1
Z
SER
147
16.19
1
Z
LYS
159
10.58
1
Z
SER
190
10.13
1
Z
PRO
198
-10.19
1
Z
ASN
233
10.52
1
I
VAL
34
13.29
1
Z
ASN
48
0.089
SIDE CHAIN
1
Z
GLN
64
0.146
SIDE CHAIN
1
Z
ASP
71
0.072
SIDE CHAIN
1
Z
ASN
72
0.078
SIDE CHAIN
1
Z
GLU
77
0.078
SIDE CHAIN
1
Z
ASN
79
0.078
SIDE CHAIN
1
Z
ASP
102
0.080
SIDE CHAIN
1
Z
ASN
143
0.070
SIDE CHAIN
1
Z
ASP
165
0.133
SIDE CHAIN
1
Z
GLN
175
0.103
SIDE CHAIN
1
Z
GLN
192
0.094
SIDE CHAIN
1
Z
ASP
194
0.082
SIDE CHAIN
1
Z
GLN
210
0.077
SIDE CHAIN
1
Z
TYR
234
0.074
SIDE CHAIN
1
I
ASN
24
0.113
SIDE CHAIN
1
I
GLN
31
0.096
SIDE CHAIN
1
9.12
1.50
110.90
120.02
Z
Z
Z
CA
CB
CG2
VAL
VAL
VAL
75
75
75
N
1
-10.09
0.90
118.30
108.21
Z
Z
Z
CB
CG
OD2
ASP
ASP
ASP
165
165
165
N
1
6.04
0.50
120.30
126.34
I
I
I
NE
CZ
NH1
ARG
ARG
ARG
17
17
17
N
1
3.04
0.50
120.30
123.34
I
I
I
NE
CZ
NH1
ARG
ARG
ARG
39
39
39
N
1
3.08
0.50
120.30
123.38
I
I
I
NE
CZ
NH1
ARG
ARG
ARG
42
42
42
N
1
-5.18
0.50
120.30
115.12
I
I
I
NE
CZ
NH2
ARG
ARG
ARG
53
53
53
N
1
Z
Z
NE1
CE2
TRP
TRP
51
51
-0.108
0.013
1.371
1.263
N
1
Z
Z
NE1
CE2
TRP
TRP
141
141
-0.087
0.013
1.371
1.284
N
1
Z
Z
NE1
CE2
TRP
TRP
215
215
-0.099
0.013
1.371
1.272
N
1
Z
Z
NE1
CE2
TRP
TRP
237
237
-0.088
0.013
1.371
1.283
N
1
Z
I
NZ
O
LYS
THR
109
54
1.59
1_555
2_575
1
Z
ASP
71
-130.81
-71.52
1
Z
ASN
115
-137.04
-138.99
1
Z
SER
150
-169.28
112.12
1
Z
SER
214
-126.82
-56.05
1
I
PRO
2
-63.54
-172.46
THE SIDE CHAIN CONFORMATION OF VAL 1016 AS DESCRIBED IN THE
JRNL REFERENCE ABOVE AND AS GIVEN ON THE ATOMS RECORDS
BELOW IS ENERGETICALLY UNFAVORABLE. A MORE FAVORABLE
CONFORMATION COULD BE OBTAINED BY A 180 DEGREE SIDE CHAIN
ROTATION ABOUT CHI 1 (VAL 1016 CA - CB).
THE SIDE CHAIN CONFORMATION OF VAL S 16 AS DESCRIBED IN THE
JRNL REFERENCE ABOVE AND AS GIVEN ON THE ATOMS RECORDS
BELOW IS ENERGETICALLY UNFAVORABLE. A MORE FAVORABLE
CONFORMATION COULD BE OBTAINED BY A 180 DEGREE SIDE CHAIN
ROTATION ABOUT CHI 1 (VAL S 16 CA - CB).
0.17
2.2
7.0
1
2.2
7.0
155
2266
26
0
2085
0.013
2.37
refinement
EREF
THE REFINED 2.2-ANGSTROMS (0.22-NM) X-RAY CRYSTAL STRUCTURE OF THE TERNARY COMPLEX FORMED BY BOVINE TRYPSINOGEN, VALINE-VALINE AND THE ARG15 ANALOGUE OF BOVINE PANCREATIC TRYPSIN INHIBITOR
1
N
N
2
N
N
3
N
N
3
N
N
4
N
N
5
N
N
5
N
N
6
N
N
6
N
N
Z
SER
164
A
SER
150
HELX_P
SNGL ALPHA TURN,REST IRREG.
Z
ILE
176
A
ILE
162
1
H1
13
Z
LYS
230
A
LYS
214
HELX_P
CONTIGUOUS WITH H3
Z
VAL
235
A
VAL
219
5
H2
6
Z
SER
236
A
SER
220
HELX_P
CONTIGUOUS WITH H2
Z
ASN
245
A
ASN
229
1
H3
10
I
SER
47
B
SER
47
HELX_P
I
GLY
56
B
GLY
56
1
H4
10
disulf
2.025
Z
CYS
22
A
SG
CYS
13
1_555
Z
CYS
157
A
SG
CYS
143
1_555
disulf
2.066
Z
CYS
42
A
SG
CYS
31
1_555
Z
CYS
58
A
SG
CYS
47
1_555
disulf
2.012
Z
CYS
128
A
SG
CYS
115
1_555
Z
CYS
232
A
SG
CYS
216
1_555
disulf
2.072
Z
CYS
136
A
SG
CYS
122
1_555
Z
CYS
201
A
SG
CYS
189
1_555
disulf
2.028
Z
CYS
168
A
SG
CYS
154
1_555
Z
CYS
182
A
SG
CYS
168
1_555
disulf
1.999
Z
CYS
191
A
SG
CYS
179
1_555
Z
CYS
220
A
SG
CYS
203
1_555
disulf
2.005
I
CYS
5
B
SG
CYS
5
1_555
I
CYS
55
B
SG
CYS
55
1_555
disulf
1.986
I
CYS
14
B
SG
CYS
14
1_555
I
CYS
38
B
SG
CYS
38
1_555
disulf
2.048
I
CYS
30
B
SG
CYS
30
1_555
I
CYS
51
B
SG
CYS
51
1_555
covale
1.356
both
Z
VAL
1016
C
C
VAL
1_555
Z
VAL
1017
D
N
VAL
1_555
metalc
2.362
Z
GLU
70
A
OE2
GLU
58
1_555
Z
CA
462
E
CA
CA
1_555
metalc
2.407
Z
ASN
72
A
O
ASN
60
1_555
Z
CA
462
E
CA
CA
1_555
metalc
2.595
Z
VAL
75
A
O
VAL
63
1_555
Z
CA
462
E
CA
CA
1_555
metalc
2.477
Z
GLU
80
A
OE2
GLU
68
1_555
Z
CA
462
E
CA
CA
1_555
metalc
2.756
Z
CA
462
E
CA
CA
1_555
Z
HOH
481
H
O
HOH
1_555
metalc
2.764
Z
CA
462
E
CA
CA
1_555
Z
HOH
559
H
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
COMPLEX (PROTEINASE-INHIBITOR), HYDROLASE-HYDROLASE INHIBITOR COMPLEX
TRY1_BOVIN
UNP
1
1
P00760
FIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEG
NEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKA
PILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTI
ASN
BPT1_BOVIN
UNP
2
1
P00974
MKMSRLCLSVALLVLLGTLAASTPGCDTSNQAKAQRPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNF
KSAEDCMRTCGGAIGPWENL
15
243
4TPI
10
245
P00760
Z
1
1
229
36
93
4TPI
1
58
P00974
I
2
1
58
2
LYS
conflict
ARG
15
4TPI
I
P00974
UNP
50
15
2
anti-parallel
I
ALA
16
B
ALA
16
I
ALA
25
B
ALA
25
I
GLY
28
B
GLY
28
I
GLY
36
B
GLY
36
BINDING SITE FOR RESIDUE VAL Z 1016
Z
VAL
1016
Software
8
BINDING SITE FOR RESIDUE VAL Z 1017
Z
VAL
1017
Software
7
BINDING SITE FOR RESIDUE CA Z 462
Z
CA
462
Software
7
BINDING SITE FOR RESIDUE SO4 I 59
I
SO4
59
Software
3
BINDING SITE FOR RESIDUE SO4 I 60
I
SO4
60
Software
4
Z
GLY
142
A
GLY
128
8
1_555
Z
ASN
143
A
ASN
129
8
1_555
Z
THR
144
A
THR
130
8
1_555
Z
LEU
158
A
LEU
144
8
1_555
Z
ASP
189
A
ASP
177
8
1_555
Z
ASP
194
A
ASP
182
8
1_555
Z
HOH
430
H
HOH
8
1_555
Z
VAL
1017
D
VAL
8
1_555
Z
GLY
19
A
GLY
10
7
1_555
Z
THR
144
A
THR
130
7
1_555
Z
LYS
188
A
LYS
176
7
1_555
Z
GLY
188
A
GLY
175
A
7
1_555
Z
ASP
189
A
ASP
177
7
1_555
Z
HOH
456
H
HOH
7
1_555
Z
VAL
1016
C
VAL
7
1_555
Z
GLU
70
A
GLU
58
7
1_555
Z
ASN
72
A
ASN
60
7
1_555
Z
VAL
75
A
VAL
63
7
1_555
Z
GLU
77
A
GLU
65
7
1_555
Z
GLU
80
A
GLU
68
7
1_555
Z
HOH
481
H
HOH
7
1_555
Z
HOH
559
H
HOH
7
1_555
I
LYS
41
B
LYS
41
3
1_555
I
ARG
42
B
ARG
42
3
1_555
I
HOH
590
I
HOH
3
1_555
I
ARG
42
B
ARG
42
4
1_555
I
HOH
419
I
HOH
4
1_555
Z
SER
86
A
SER
74
4
2_575
Z
LYS
87
A
LYS
75
4
2_575
23
I 2 2 2