0.022207
0.000000
0.000000
0.000000
0.020755
0.000000
0.000000
0.000000
0.012047
0.00000
0.00000
0.00000
Leiros, H.-K.S.
Brandsdal, B.O.
Andersen, O.A.
Os, V.
Leiros, I.
Helland, R.
Otlewski, J.
Willassen, N.P.
Smalas, A.O.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
45.030
48.180
83.010
C7 H9 N
107.153
BENZYLAMINE
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
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
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
N
C
Y
3
N
C
Y
4
N
C
Y
5
N
C
Y
6
N
C
Y
7
N
C
Y
8
N
C
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
N
N
19
S
C
N
20
N
C
N
21
N
O
N
22
N
C
N
23
N
O
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
N
N
32
S
C
N
33
N
C
N
34
N
O
N
35
N
C
N
36
N
C
N
37
N
C
N
38
N
N
N
39
N
C
N
40
N
N
N
41
N
N
N
42
N
O
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
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
N
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
H
N
75
N
N
N
76
S
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
O
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
CA
N
92
N
N
N
93
R
C
N
94
N
C
N
95
N
O
N
96
N
C
N
97
N
S
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
N
N
107
S
C
N
108
N
C
N
109
N
O
N
110
N
C
N
111
N
C
N
112
N
C
N
113
N
O
N
114
N
N
N
115
N
O
N
116
N
H
N
117
N
H
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
N
N
127
S
C
N
128
N
C
N
129
N
O
N
130
N
C
N
131
N
C
N
132
N
C
N
133
N
O
N
134
N
O
N
135
N
O
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
N
N
146
N
C
N
147
N
C
N
148
N
O
N
149
N
O
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
N
N
156
S
C
N
157
N
C
N
158
N
O
N
159
N
C
Y
160
N
C
Y
161
N
N
Y
162
N
C
Y
163
N
C
Y
164
N
N
N
165
N
O
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
O
N
177
N
H
N
178
N
H
N
179
N
N
N
180
S
C
N
181
N
C
N
182
N
O
N
183
S
C
N
184
N
C
N
185
N
C
N
186
N
C
N
187
N
O
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
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
N
N
202
S
C
N
203
N
C
N
204
N
O
N
205
N
C
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
O
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
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
N
N
224
S
C
N
225
N
C
N
226
N
O
N
227
N
C
N
228
N
C
N
229
N
C
N
230
N
C
N
231
N
N
N
232
N
O
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
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
N
N
249
S
C
N
250
N
C
N
251
N
O
N
252
N
C
N
253
N
C
N
254
N
S
N
255
N
C
N
256
N
O
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
N
N
269
S
C
N
270
N
C
N
271
N
O
N
272
N
C
Y
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
N
279
N
O
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
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
C
N
297
N
C
N
298
N
O
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
H
N
306
N
H
N
307
N
H
N
308
N
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
N
C
N
313
N
O
N
314
N
O
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
H
N
322
N
N
N
323
S
C
N
324
N
C
N
325
N
O
N
326
R
C
N
327
N
O
N
328
N
C
N
329
N
O
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
H
N
339
N
N
N
340
S
C
N
341
N
C
N
342
N
O
N
343
N
C
Y
344
N
C
Y
345
N
C
Y
346
N
C
Y
347
N
N
Y
348
N
C
Y
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
N
353
N
O
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
H
N
366
N
N
N
367
S
C
N
368
N
C
N
369
N
O
N
370
N
C
Y
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
C
N
377
N
O
N
378
N
O
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
H
N
390
N
N
N
391
S
C
N
392
N
C
N
393
N
O
N
394
N
C
N
395
N
C
N
396
N
C
N
397
N
O
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
408
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
Y
7
N
doub
Y
8
N
sing
Y
9
N
sing
N
10
N
sing
Y
11
N
doub
N
12
N
sing
Y
13
N
sing
N
14
N
sing
Y
15
N
doub
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
doub
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
sing
N
34
N
sing
N
35
N
sing
N
36
N
doub
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
sing
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
sing
N
62
N
doub
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
doub
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
sing
N
77
N
sing
N
78
N
doub
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
doub
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
doub
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
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
doub
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
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
doub
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
doub
N
144
N
sing
N
145
N
sing
N
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
doub
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
Y
157
N
sing
Y
158
N
doub
Y
159
N
doub
N
160
N
sing
Y
161
N
sing
N
162
N
sing
Y
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
doub
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
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
doub
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
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
doub
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
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
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
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
doub
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
Y
265
N
doub
Y
266
N
sing
Y
267
N
sing
N
268
N
sing
Y
269
N
doub
N
270
N
sing
Y
271
N
doub
N
272
N
sing
Y
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
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
doub
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
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
doub
N
330
N
sing
N
331
N
sing
N
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
doub
Y
339
N
sing
Y
340
N
sing
N
341
N
sing
Y
342
N
sing
Y
343
N
doub
N
344
N
sing
Y
345
N
doub
N
346
N
sing
Y
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
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
doub
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
Y
362
N
doub
Y
363
N
sing
Y
364
N
sing
N
365
N
sing
Y
366
N
doub
N
367
N
sing
Y
368
N
doub
N
369
N
sing
Y
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
doub
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
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
US
Protein Sci.
PRCIEI
0795
0961-8368
13
1056
10.1110/PS.03498604
15044735
Trypsin Specificity as Elucidated by Lie Calculations, X-Ray Structures, and Association Constant Measurements
2004
10.2210/pdb1utj/pdb
pdb_00001utj
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
295.0
1
IMAGE PLATE
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.873
1.0
BM1A
ESRF
0.873
SYNCHROTRON
ESRF BEAMLINE BM1A
25998.297
TRYPSIN I
3.4.21.4
1
nat
polymer
107.153
BENZYLAMINE
1
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
75
nat
water
no
no
MISLVFVLLIGAAFATEDDKIVGGYECKPYSQPHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRLGEHNIKVTEG
SEQFISSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYVQPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIP
ILSYSDCNNSYPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPGNPGVYAKVCIFNDWLTSTMA
SY
MISLVFVLLIGAAFATEDDKIVGGYECKPYSQPHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRLGEHNIKVTEG
SEQFISSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYVQPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIP
ILSYSDCNNSYPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPGNPGVYAKVCIFNDWLTSTMA
SY
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
ATLANTIC SALMON
sample
8030
PYLORIC CAECA
SALMO SALAR
1
6.00
pH 6.00
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Other
Refinement description
1
0
2004-01-15
1
1
2011-05-08
1
2
2011-07-13
1
3
2023-12-13
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_sf
_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.pdbx_dist_value
_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_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
TRYPSIN (ANIONIC) COMPLEXED WITH THE INHIBITOR BENZAMIDINE
THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN COMPLEX WITH BOVINE PANCREATIC TRYPSIN INHIBITOR
1.00 AA TRYPSIN FROM ATLANTIC SALMON
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
TRYPSIN SPECIFICITY AS ELUCIDATED BY LIE CALCULATIONS, X-RAY STRUCTURES AND ASSOCIATION CONSTANT MEASUREMENTS
ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR (CUCURBITA MAXIMA TRYPSIN INHIBITOR I)
ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR (CUCURBITA PEPO TRYPSIN INHIBITOR II)
TRYPSIN COMPLEXED WITH BENZAMIDINE INHIBITOR
SHEET
DETERMINATION METHOD: DSSP
THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS
BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY
A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS
ARE IDENTICAL.
PDBE
Y
PDBE
2003-12-09
REL
REL
ABN
BENZYLAMINE
CA
CALCIUM ION
HOH
water
1BIT
PDB ENTRY 1BIT
PDB
experimental model
ABN
246
2
ABN
ABN
246
A
CA
247
3
CA
CA
247
A
HOH
2001
4
HOH
HOH
2001
A
HOH
2002
4
HOH
HOH
2002
A
HOH
2003
4
HOH
HOH
2003
A
HOH
2004
4
HOH
HOH
2004
A
HOH
2005
4
HOH
HOH
2005
A
HOH
2006
4
HOH
HOH
2006
A
HOH
2007
4
HOH
HOH
2007
A
HOH
2008
4
HOH
HOH
2008
A
HOH
2009
4
HOH
HOH
2009
A
HOH
2010
4
HOH
HOH
2010
A
HOH
2011
4
HOH
HOH
2011
A
HOH
2012
4
HOH
HOH
2012
A
HOH
2013
4
HOH
HOH
2013
A
HOH
2014
4
HOH
HOH
2014
A
HOH
2015
4
HOH
HOH
2015
A
HOH
2016
4
HOH
HOH
2016
A
HOH
2017
4
HOH
HOH
2017
A
HOH
2018
4
HOH
HOH
2018
A
HOH
2019
4
HOH
HOH
2019
A
HOH
2020
4
HOH
HOH
2020
A
HOH
2021
4
HOH
HOH
2021
A
HOH
2022
4
HOH
HOH
2022
A
HOH
2023
4
HOH
HOH
2023
A
HOH
2024
4
HOH
HOH
2024
A
HOH
2025
4
HOH
HOH
2025
A
HOH
2026
4
HOH
HOH
2026
A
HOH
2027
4
HOH
HOH
2027
A
HOH
2028
4
HOH
HOH
2028
A
HOH
2029
4
HOH
HOH
2029
A
HOH
2030
4
HOH
HOH
2030
A
HOH
2031
4
HOH
HOH
2031
A
HOH
2032
4
HOH
HOH
2032
A
HOH
2033
4
HOH
HOH
2033
A
HOH
2034
4
HOH
HOH
2034
A
HOH
2035
4
HOH
HOH
2035
A
HOH
2036
4
HOH
HOH
2036
A
HOH
2037
4
HOH
HOH
2037
A
HOH
2038
4
HOH
HOH
2038
A
HOH
2039
4
HOH
HOH
2039
A
HOH
2040
4
HOH
HOH
2040
A
HOH
2041
4
HOH
HOH
2041
A
HOH
2042
4
HOH
HOH
2042
A
HOH
2043
4
HOH
HOH
2043
A
HOH
2044
4
HOH
HOH
2044
A
HOH
2045
4
HOH
HOH
2045
A
HOH
2046
4
HOH
HOH
2046
A
HOH
2047
4
HOH
HOH
2047
A
HOH
2048
4
HOH
HOH
2048
A
HOH
2049
4
HOH
HOH
2049
A
HOH
2050
4
HOH
HOH
2050
A
HOH
2051
4
HOH
HOH
2051
A
HOH
2052
4
HOH
HOH
2052
A
HOH
2053
4
HOH
HOH
2053
A
HOH
2054
4
HOH
HOH
2054
A
HOH
2055
4
HOH
HOH
2055
A
HOH
2056
4
HOH
HOH
2056
A
HOH
2057
4
HOH
HOH
2057
A
HOH
2058
4
HOH
HOH
2058
A
HOH
2059
4
HOH
HOH
2059
A
HOH
2060
4
HOH
HOH
2060
A
HOH
2061
4
HOH
HOH
2061
A
HOH
2062
4
HOH
HOH
2062
A
HOH
2063
4
HOH
HOH
2063
A
HOH
2064
4
HOH
HOH
2064
A
HOH
2065
4
HOH
HOH
2065
A
HOH
2066
4
HOH
HOH
2066
A
HOH
2067
4
HOH
HOH
2067
A
HOH
2068
4
HOH
HOH
2068
A
HOH
2069
4
HOH
HOH
2069
A
HOH
2070
4
HOH
HOH
2070
A
HOH
2071
4
HOH
HOH
2071
A
HOH
2072
4
HOH
HOH
2072
A
HOH
2073
4
HOH
HOH
2073
A
HOH
2074
4
HOH
HOH
2074
A
HOH
2075
4
HOH
HOH
2075
A
n
1
-5
A
n
2
-4
A
n
3
-3
A
n
4
-2
A
n
5
-1
A
n
6
1
A
n
7
2
A
n
8
3
A
n
9
4
A
n
10
5
A
n
11
6
A
n
12
7
A
n
13
8
A
n
14
9
A
n
15
10
A
n
16
11
A
n
17
12
A
n
18
13
A
n
19
14
A
n
20
15
A
ILE
16
n
21
ILE
16
A
VAL
17
n
22
VAL
17
A
GLY
18
n
23
GLY
18
A
GLY
19
n
24
GLY
19
A
TYR
20
n
25
TYR
20
A
GLU
21
n
26
GLU
21
A
CYS
22
n
27
CYS
22
A
LYS
23
n
28
LYS
23
A
PRO
24
n
29
PRO
24
A
TYR
25
n
30
TYR
25
A
SER
26
n
31
SER
26
A
GLN
27
n
32
GLN
27
A
PRO
28
n
33
PRO
28
A
HIS
29
n
34
HIS
29
A
GLN
30
n
35
GLN
30
A
VAL
31
n
36
VAL
31
A
SER
32
n
37
SER
32
A
LEU
33
n
38
LEU
33
A
ASN
34
n
39
ASN
34
A
SER
37
n
40
SER
37
A
GLY
38
n
41
GLY
38
A
TYR
39
n
42
TYR
39
A
HIS
40
n
43
HIS
40
A
PHE
41
n
44
PHE
41
A
CYS
42
n
45
CYS
42
A
GLY
43
n
46
GLY
43
A
GLY
44
n
47
GLY
44
A
SER
45
n
48
SER
45
A
LEU
46
n
49
LEU
46
A
VAL
47
n
50
VAL
47
A
ASN
48
n
51
ASN
48
A
GLU
49
n
52
GLU
49
A
ASN
50
n
53
ASN
50
A
TRP
51
n
54
TRP
51
A
VAL
52
n
55
VAL
52
A
VAL
53
n
56
VAL
53
A
SER
54
n
57
SER
54
A
ALA
55
n
58
ALA
55
A
ALA
56
n
59
ALA
56
A
HIS
57
n
60
HIS
57
A
CYS
58
n
61
CYS
58
A
TYR
59
n
62
TYR
59
A
LYS
60
n
63
LYS
60
A
SER
61
n
64
SER
61
A
ARG
62
n
65
ARG
62
A
VAL
63
n
66
VAL
63
A
GLU
64
n
67
GLU
64
A
VAL
65
n
68
VAL
65
A
ARG
66
n
69
ARG
66
A
LEU
67
n
70
LEU
67
A
GLY
69
n
71
GLY
69
A
GLU
70
n
72
GLU
70
A
HIS
71
n
73
HIS
71
A
ASN
72
n
74
ASN
72
A
ILE
73
n
75
ILE
73
A
LYS
74
n
76
LYS
74
A
VAL
75
n
77
VAL
75
A
THR
76
n
78
THR
76
A
GLU
77
n
79
GLU
77
A
GLY
78
n
80
GLY
78
A
SER
79
n
81
SER
79
A
GLU
80
n
82
GLU
80
A
GLN
81
n
83
GLN
81
A
PHE
82
n
84
PHE
82
A
ILE
83
n
85
ILE
83
A
SER
84
n
86
SER
84
A
SER
85
n
87
SER
85
A
SER
86
n
88
SER
86
A
ARG
87
n
89
ARG
87
A
VAL
88
n
90
VAL
88
A
ILE
89
n
91
ILE
89
A
ARG
90
n
92
ARG
90
A
HIS
91
n
93
HIS
91
A
PRO
92
n
94
PRO
92
A
ASN
93
n
95
ASN
93
A
TYR
94
n
96
TYR
94
A
SER
95
n
97
SER
95
A
SER
96
n
98
SER
96
A
TYR
97
n
99
TYR
97
A
ASN
98
n
100
ASN
98
A
ILE
99
n
101
ILE
99
A
ASP
100
n
102
ASP
100
A
ASN
101
n
103
ASN
101
A
ASP
102
n
104
ASP
102
A
ILE
103
n
105
ILE
103
A
MET
104
n
106
MET
104
A
LEU
105
n
107
LEU
105
A
ILE
106
n
108
ILE
106
A
LYS
107
n
109
LYS
107
A
LEU
108
n
110
LEU
108
A
SER
109
n
111
SER
109
A
LYS
110
n
112
LYS
110
A
PRO
111
n
113
PRO
111
A
ALA
112
n
114
ALA
112
A
THR
113
n
115
THR
113
A
LEU
114
n
116
LEU
114
A
ASN
115
n
117
ASN
115
A
THR
116
n
118
THR
116
A
TYR
117
n
119
TYR
117
A
VAL
118
n
120
VAL
118
A
GLN
119
n
121
GLN
119
A
PRO
120
n
122
PRO
120
A
VAL
121
n
123
VAL
121
A
ALA
122
n
124
ALA
122
A
LEU
123
n
125
LEU
123
A
PRO
124
n
126
PRO
124
A
THR
125
n
127
THR
125
A
SER
127
n
128
SER
127
A
CYS
128
n
129
CYS
128
A
ALA
129
n
130
ALA
129
A
PRO
130
n
131
PRO
130
A
ALA
132
n
132
ALA
132
A
GLY
133
n
133
GLY
133
A
THR
134
n
134
THR
134
A
MET
135
n
135
MET
135
A
CYS
136
n
136
CYS
136
A
THR
137
n
137
THR
137
A
VAL
138
n
138
VAL
138
A
SER
139
n
139
SER
139
A
GLY
140
n
140
GLY
140
A
TRP
141
n
141
TRP
141
A
GLY
142
n
142
GLY
142
A
ASN
143
n
143
ASN
143
A
THR
144
n
144
THR
144
A
MET
145
n
145
MET
145
A
SER
146
n
146
SER
146
A
SER
147
n
147
SER
147
A
THR
148
n
148
THR
148
A
ALA
149
n
149
ALA
149
A
ASP
150
n
150
ASP
150
A
SER
152
n
151
SER
152
A
ASN
153
n
152
ASN
153
A
LYS
154
n
153
LYS
154
A
LEU
155
n
154
LEU
155
A
GLN
156
n
155
GLN
156
A
CYS
157
n
156
CYS
157
A
LEU
158
n
157
LEU
158
A
ASN
159
n
158
ASN
159
A
ILE
160
n
159
ILE
160
A
PRO
161
n
160
PRO
161
A
ILE
162
n
161
ILE
162
A
LEU
163
n
162
LEU
163
A
SER
164
n
163
SER
164
A
TYR
165
n
164
TYR
165
A
SER
166
n
165
SER
166
A
ASP
167
n
166
ASP
167
A
CYS
168
n
167
CYS
168
A
ASN
169
n
168
ASN
169
A
ASN
170
n
169
ASN
170
A
SER
171
n
170
SER
171
A
TYR
172
n
171
TYR
172
A
PRO
173
n
172
PRO
173
A
GLY
174
n
173
GLY
174
A
MET
175
n
174
MET
175
A
ILE
176
n
175
ILE
176
A
THR
177
n
176
THR
177
A
ASN
178
n
177
ASN
178
A
ALA
179
n
178
ALA
179
A
MET
180
n
179
MET
180
A
PHE
181
n
180
PHE
181
A
CYS
182
n
181
CYS
182
A
ALA
183
n
182
ALA
183
A
GLY
184
n
183
GLY
184
A
TYR
184
n
184
A
TYR
184
A
LEU
185
n
185
LEU
185
A
GLU
186
n
186
GLU
186
A
GLY
187
n
187
GLY
187
A
GLY
188
n
188
GLY
188
A
LYS
188
n
189
A
LYS
188
A
ASP
189
n
190
ASP
189
A
SER
190
n
191
SER
190
A
CYS
191
n
192
CYS
191
A
GLN
192
n
193
GLN
192
A
GLY
193
n
194
GLY
193
A
ASP
194
n
195
ASP
194
A
SER
195
n
196
SER
195
A
GLY
196
n
197
GLY
196
A
GLY
197
n
198
GLY
197
A
PRO
198
n
199
PRO
198
A
VAL
199
n
200
VAL
199
A
VAL
200
n
201
VAL
200
A
CYS
201
n
202
CYS
201
A
ASN
202
n
203
ASN
202
A
GLY
203
n
204
GLY
203
A
GLU
204
n
205
GLU
204
A
LEU
209
n
206
LEU
209
A
GLN
210
n
207
GLN
210
A
GLY
211
n
208
GLY
211
A
VAL
212
n
209
VAL
212
A
VAL
213
n
210
VAL
213
A
SER
214
n
211
SER
214
A
TRP
215
n
212
TRP
215
A
GLY
216
n
213
GLY
216
A
TYR
217
n
214
TYR
217
A
GLY
219
n
215
GLY
219
A
CYS
220
n
216
CYS
220
A
ALA
221
n
217
ALA
221
A
GLU
221
n
218
A
GLU
221
A
PRO
222
n
219
PRO
222
A
GLY
223
n
220
GLY
223
A
ASN
224
n
221
ASN
224
A
PRO
225
n
222
PRO
225
A
GLY
226
n
223
GLY
226
A
VAL
227
n
224
VAL
227
A
TYR
228
n
225
TYR
228
A
ALA
229
n
226
ALA
229
A
LYS
230
n
227
LYS
230
A
VAL
231
n
228
VAL
231
A
CYS
232
n
229
CYS
232
A
ILE
233
n
230
ILE
233
A
PHE
234
n
231
PHE
234
A
ASN
235
n
232
ASN
235
A
ASP
236
n
233
ASP
236
A
TRP
237
n
234
TRP
237
A
LEU
238
n
235
LEU
238
A
THR
239
n
236
THR
239
A
SER
240
n
237
SER
240
A
THR
241
n
238
THR
241
A
MET
242
n
239
MET
242
A
ALA
243
n
240
ALA
243
A
SER
244
n
241
SER
244
A
TYR
245
n
242
TYR
245
A
author_and_software_defined_assembly
PQS
1
monomeric
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
A
ASN
72
A
O
ASN
74
1_555
86.7
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
A
VAL
75
A
O
VAL
77
1_555
163.4
A
ASN
72
A
O
ASN
74
1_555
A
CA
247
C
CA
CA
1_555
A
VAL
75
A
O
VAL
77
1_555
84.6
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
77
A
OE2
GLU
79
1_555
95.2
A
ASN
72
A
O
ASN
74
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
77
A
OE2
GLU
79
1_555
85.0
A
VAL
75
A
O
VAL
77
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
77
A
OE2
GLU
79
1_555
98.1
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
82
1_555
102.2
A
ASN
72
A
O
ASN
74
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
82
1_555
168.3
A
VAL
75
A
O
VAL
77
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
82
1_555
88.5
A
GLU
77
A
OE2
GLU
79
1_555
A
CA
247
C
CA
CA
1_555
A
GLU
80
A
OE2
GLU
82
1_555
86.6
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
81.7
A
ASN
72
A
O
ASN
74
1_555
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
102.6
A
VAL
75
A
O
VAL
77
1_555
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
86.5
A
GLU
77
A
OE2
GLU
79
1_555
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
171.5
A
GLU
80
A
OE2
GLU
82
1_555
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
86.3
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
A
N
TYR
20
A
N
TYR
25
A
O
CYS
157
A
O
CYS
156
A
N
ILE
160
A
N
ILE
159
A
O
CYS
136
A
O
CYS
136
A
N
SER
139
A
N
SER
139
A
O
PRO
198
A
O
PRO
199
A
N
CYS
201
A
N
CYS
202
A
O
GLU
204
A
O
GLU
205
A
N
TRP
215
A
N
TRP
212
A
O
VAL
227
A
O
VAL
224
A
N
TYR
228
A
N
TYR
225
A
O
PHE
181
A
O
PHE
180
A
O
LEU
33
A
O
LEU
38
A
N
PHE
41
A
N
PHE
44
A
N
SER
45
A
N
SER
48
A
O
VAL
53
A
O
VAL
56
A
N
SER
54
A
N
SER
57
A
O
MET
104
A
O
MET
106
A
O
LYS
107
A
O
LYS
109
A
N
SER
86
A
N
SER
88
A
N
ILE
83
A
N
ILE
85
A
O
VAL
65
A
O
VAL
68
A
N
ARG
66
A
N
ARG
69
A
O
SER
32
A
O
SER
37
1
A
OE1
GLU
49
A
OE1
GLU
52
0
Y
1
A
CG
ARG
62
A
CG
ARG
65
0
Y
1
A
CD
ARG
62
A
CD
ARG
65
0
Y
1
A
NE
ARG
62
A
NE
ARG
65
0
Y
1
A
CZ
ARG
62
A
CZ
ARG
65
0
Y
1
A
NH1
ARG
62
A
NH1
ARG
65
0
Y
1
A
NH2
ARG
62
A
NH2
ARG
65
0
Y
1
A
CG
LYS
74
A
CG
LYS
76
0
Y
1
A
CD
LYS
74
A
CD
LYS
76
0
Y
1
A
CE
LYS
74
A
CE
LYS
76
0
Y
1
A
NZ
LYS
74
A
NZ
LYS
76
0
Y
1
A
OG
SER
86
A
OG
SER
88
0
Y
1
A
CG
ARG
87
A
CG
ARG
89
0
Y
1
A
CD
ARG
87
A
CD
ARG
89
0
Y
1
A
NE
ARG
87
A
NE
ARG
89
0
Y
1
A
CZ
ARG
87
A
CZ
ARG
89
0
Y
1
A
NH1
ARG
87
A
NH1
ARG
89
0
Y
1
A
NH2
ARG
87
A
NH2
ARG
89
0
Y
1
A
NE
ARG
90
A
NE
ARG
92
0
Y
1
A
NH1
ARG
90
A
NH1
ARG
92
0
Y
1
A
NH2
ARG
90
A
NH2
ARG
92
0
Y
1
A
CD2
TYR
97
A
CD2
TYR
99
0
Y
1
A
CE1
TYR
97
A
CE1
TYR
99
0
Y
1
A
CE2
TYR
97
A
CE2
TYR
99
0
Y
1
A
CZ
TYR
97
A
CZ
TYR
99
0
Y
1
A
OH
TYR
97
A
OH
TYR
99
0
Y
1
A
CD1
ILE
99
A
CD1
ILE
101
0
Y
1
A
CD
LYS
107
A
CD
LYS
109
0
Y
1
A
CE
LYS
107
A
CE
LYS
109
0
Y
1
A
NZ
LYS
107
A
NZ
LYS
109
0
Y
1
A
CD
LYS
110
A
CD
LYS
112
0
Y
1
A
CE
LYS
110
A
CE
LYS
112
0
Y
1
A
NZ
LYS
110
A
NZ
LYS
112
0
Y
1
A
CG2
THR
125
A
CG2
THR
127
0
Y
1
A
O
SER
147
A
O
SER
147
0
Y
1
A
CB
SER
147
A
CB
SER
147
0
Y
1
A
OG
SER
147
A
OG
SER
147
0
Y
1
A
O
THR
148
A
O
THR
148
0
Y
1
A
CB
THR
148
A
CB
THR
148
0
Y
1
A
OG1
THR
148
A
OG1
THR
148
0
Y
1
A
CG2
THR
148
A
CG2
THR
148
0
Y
1
A
OD1
ASN
170
A
OD1
ASN
169
0
Y
1
A
ND2
ASN
170
A
ND2
ASN
169
0
Y
1
A
CG
GLU
186
A
CG
GLU
186
0
Y
1
A
CD
GLU
186
A
CD
GLU
186
0
Y
1
A
OE1
GLU
186
A
OE1
GLU
186
0
Y
1
A
OE2
GLU
186
A
OE2
GLU
186
0
Y
1
A
CA
ALA
243
A
CA
ALA
240
0
Y
1
A
C
ALA
243
A
C
ALA
240
0
Y
1
A
O
ALA
243
A
O
ALA
240
0
Y
1
A
N
SER
244
A
N
SER
241
0
Y
1
A
CA
SER
244
A
CA
SER
241
0
Y
1
A
C
SER
244
A
C
SER
241
0
Y
1
A
O
SER
244
A
O
SER
241
0
Y
1
A
CB
SER
244
A
CB
SER
241
0
Y
1
A
OG
SER
244
A
OG
SER
241
0
Y
1
A
N
TYR
245
A
N
TYR
242
0
Y
1
A
CA
TYR
245
A
CA
TYR
242
0
Y
1
A
C
TYR
245
A
C
TYR
242
0
Y
1
A
O
TYR
245
A
O
TYR
242
0
Y
1
A
CB
TYR
245
A
CB
TYR
242
0
Y
1
A
CG
TYR
245
A
CG
TYR
242
0
Y
1
A
CD1
TYR
245
A
CD1
TYR
242
0
Y
1
A
CD2
TYR
245
A
CD2
TYR
242
0
Y
1
A
CE1
TYR
245
A
CE1
TYR
242
0
Y
1
A
CE2
TYR
245
A
CE2
TYR
242
0
Y
1
A
CZ
TYR
245
A
CZ
TYR
242
0
Y
1
A
OH
TYR
245
A
OH
TYR
242
0
Y
1
A
OXT
TYR
245
A
OXT
TYR
242
0
Y
1
A
MET
-5
A
MET
1
1
Y
1
A
ILE
-4
A
ILE
2
1
Y
1
A
SER
-3
A
SER
3
1
Y
1
A
LEU
-2
A
LEU
4
1
Y
1
A
VAL
-1
A
VAL
5
1
Y
1
A
PHE
1
A
PHE
6
1
Y
1
A
VAL
2
A
VAL
7
1
Y
1
A
LEU
3
A
LEU
8
1
Y
1
A
LEU
4
A
LEU
9
1
Y
1
A
ILE
5
A
ILE
10
1
Y
1
A
GLY
6
A
GLY
11
1
Y
1
A
ALA
7
A
ALA
12
1
Y
1
A
ALA
8
A
ALA
13
1
Y
1
A
PHE
9
A
PHE
14
1
Y
1
A
ALA
10
A
ALA
15
1
Y
1
A
THR
11
A
THR
16
1
Y
1
A
GLU
12
A
GLU
17
1
Y
1
A
ASP
13
A
ASP
18
1
Y
1
A
ASP
14
A
ASP
19
1
Y
1
A
LYS
15
A
LYS
20
1
Y
1
A
A
HH11
H2
ARG
HOH
66
2020
1.16
1
A
A
HZ2
H1
LYS
HOH
230
2074
1.18
A
1
A
A
HZ1
HZ3
LYS
LYS
60
188
1.14
1_555
3_646
1
A
A
HH12
H2
ARG
HOH
87
2065
1.28
1_555
3_546
1
A
HIS
71
-126.76
-62.53
1
A
ASN
115
-160.61
-157.36
1
A
ALA
243
-145.70
-30.01
0.207
0.162
0.162
1.83
8
14637
10
90.5
RANDOM
1
THROUGHOUT
MOLECULAR REPLACEMENT
PDB ENTRY 1BIT
1.83
8
75
1750
9
0
1666
0.008
1.497
1.830
8.000
1UTJ
14865
0.06800
1
8.5000
4.630
90.6
refinement
X-PLOR
data reduction
DENZO
data scaling
SCALA
phasing
AMoRE
Trypsin specificity as elucidated by LIE calculations, X-ray structures and association constant measurements
1
N
N
2
N
N
3
N
N
4
N
N
A
ALA
55
A
ALA
58
HELX_P
A
TYR
59
A
TYR
62
5
1
5
A
SER
164
A
SER
163
HELX_P
A
TYR
172
A
TYR
171
1
2
9
A
PHE
234
A
PHE
231
HELX_P
A
TYR
245
A
TYR
242
1
3
12
disulf
2.020
A
CYS
22
A
SG
CYS
27
1_555
A
CYS
157
A
SG
CYS
156
1_555
disulf
2.037
A
CYS
42
A
SG
CYS
45
1_555
A
CYS
58
A
SG
CYS
61
1_555
disulf
2.025
A
CYS
128
A
SG
CYS
129
1_555
A
CYS
232
A
SG
CYS
229
1_555
disulf
2.034
A
CYS
136
A
SG
CYS
136
1_555
A
CYS
201
A
SG
CYS
202
1_555
disulf
2.032
A
CYS
168
A
SG
CYS
167
1_555
A
CYS
182
A
SG
CYS
181
1_555
disulf
2.027
A
CYS
191
A
SG
CYS
192
1_555
A
CYS
220
A
SG
CYS
216
1_555
metalc
2.339
A
GLU
70
A
OE1
GLU
72
1_555
A
CA
247
C
CA
CA
1_555
metalc
2.303
A
ASN
72
A
O
ASN
74
1_555
A
CA
247
C
CA
CA
1_555
metalc
2.235
A
VAL
75
A
O
VAL
77
1_555
A
CA
247
C
CA
CA
1_555
metalc
2.437
A
GLU
77
A
OE2
GLU
79
1_555
A
CA
247
C
CA
CA
1_555
metalc
2.403
A
GLU
80
A
OE2
GLU
82
1_555
A
CA
247
C
CA
CA
1_555
metalc
2.354
A
CA
247
C
CA
CA
1_555
A
HOH
2018
D
O
HOH
1_555
HYDROLASE
HYDROLASE, TRYPSIN, INHIBITOR SPECIFICITY, ELECTROSTATIC INTERACTIONS, COLD-ADAPTATION, MOLECULAR DYNAMICS, BINDING FREE ENERGY
TRY1_SALSA
UNP
1
P35031
1
242
1UTJ
-5
245
P35031
A
1
1
242
1
ALA
conflict
PRO
24
1UTJ
A
P35031
UNP
29
29
1
ALA
conflict
PRO
28
1UTJ
A
P35031
UNP
33
33
7
7
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
TYR
20
A
TYR
25
A
GLU
21
A
GLU
26
A
GLN
156
A
GLN
155
A
PRO
161
A
PRO
160
A
MET
135
A
MET
135
A
GLY
140
A
GLY
140
A
PRO
198
A
PRO
199
A
CYS
201
A
CYS
202
A
GLU
204
A
GLU
205
A
TRP
215
A
TRP
212
A
GLY
226
A
GLY
223
A
LYS
230
A
LYS
227
A
MET
180
A
MET
179
A
ALA
183
A
ALA
182
A
GLN
30
A
GLN
35
A
ASN
34
A
ASN
39
A
HIS
40
A
HIS
43
A
LEU
46
A
LEU
49
A
TRP
51
A
TRP
54
A
SER
54
A
SER
57
A
MET
104
A
MET
106
A
LEU
108
A
LEU
110
A
GLN
81
A
GLN
83
A
ARG
90
A
ARG
92
A
GLU
64
A
GLU
67
A
LEU
67
A
LEU
70
A
GLN
30
A
GLN
35
A
ASN
34
A
ASN
39
BINDING SITE FOR RESIDUE CA A 247
A
CA
247
Software
6
BINDING SITE FOR RESIDUE ABN A 246
A
ABN
246
Software
9
A
GLU
70
A
GLU
72
6
1_555
A
ASN
72
A
ASN
74
6
1_555
A
VAL
75
A
VAL
77
6
1_555
A
GLU
77
A
GLU
79
6
1_555
A
GLU
80
A
GLU
82
6
1_555
A
HOH
2018
D
HOH
6
1_555
A
ASP
189
A
ASP
190
9
1_555
A
SER
190
A
SER
191
9
1_555
A
CYS
191
A
CYS
192
9
1_555
A
GLN
192
A
GLN
193
9
1_555
A
SER
195
A
SER
196
9
1_555
A
VAL
213
A
VAL
210
9
1_555
A
TRP
215
A
TRP
212
9
1_555
A
GLY
219
A
GLY
215
9
1_555
A
HOH
2071
D
HOH
9
1_555
19
P 21 21 21