0.016158
0.000000
0.000000
0.000000
0.015733
0.000000
0.000000
0.000000
0.014471
0.00000
0.00000
0.00000
Radisky, E.S.
Lee, J.M.
Lu, C.J.
Koshland Jr., D.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
61.888
63.562
69.102
C2 H4 O
44.053
ACETYL GROUP
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H17 N4 O2 1
177.225
n
amino{[(4S)-4-amino-5,5-dihydroxypentyl]amino}methaniminium
peptide-like
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
C
N
2
N
O
N
3
N
C
N
4
N
H
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
N
N
9
S
C
N
10
N
C
N
11
N
O
N
12
N
C
N
13
N
O
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
H
N
20
N
H
N
21
N
N
N
22
S
C
N
23
N
C
N
24
N
O
N
25
N
C
N
26
N
C
N
27
N
C
N
28
N
N
N
29
N
C
N
30
N
N
N
31
N
N
N
32
N
O
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
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
N
N
51
S
C
N
52
N
C
N
53
N
O
N
54
N
C
N
55
N
C
N
56
N
C
N
57
N
N
N
58
N
C
N
59
N
N
N
60
N
N
N
61
N
O
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
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
H
N
76
N
H
N
77
N
N
N
78
S
C
N
79
N
C
N
80
N
O
N
81
N
C
N
82
N
C
N
83
N
O
N
84
N
N
N
85
N
O
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
O
N
101
N
O
N
102
N
O
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
H
N
110
N
CA
N
111
N
N
N
112
R
C
N
113
N
C
N
114
N
O
N
115
N
C
N
116
N
S
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
N
N
126
S
C
N
127
N
C
N
128
N
O
N
129
N
C
N
130
N
C
N
131
N
C
N
132
N
O
N
133
N
N
N
134
N
O
N
135
N
H
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
S
C
N
147
N
C
N
148
N
O
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
O
N
153
N
O
N
154
N
O
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
N
N
165
N
C
N
166
N
C
N
167
N
O
N
168
N
O
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
N
N
175
S
C
N
176
N
C
N
177
N
O
N
178
N
C
Y
179
N
C
Y
180
N
N
Y
181
N
C
Y
182
N
C
Y
183
N
N
N
184
N
O
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
H
N
195
N
O
N
196
N
H
N
197
N
H
N
198
N
N
N
199
S
C
N
200
N
C
N
201
N
O
N
202
S
C
N
203
N
C
N
204
N
C
N
205
N
C
N
206
N
O
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
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
N
N
221
S
C
N
222
N
C
N
223
N
O
N
224
N
C
N
225
N
C
N
226
N
C
N
227
N
C
N
228
N
O
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
H
N
242
N
N
N
243
S
C
N
244
N
C
N
245
N
O
N
246
N
C
N
247
N
C
N
248
N
C
N
249
N
C
N
250
N
N
N
251
N
O
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
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
N
N
268
S
C
N
269
N
C
N
270
N
O
N
271
N
C
N
272
N
C
N
273
N
S
N
274
N
C
N
275
N
O
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
H
N
286
N
H
N
287
N
N
N
288
S
C
N
289
N
C
N
290
N
O
N
291
N
C
Y
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
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
H
N
309
N
H
N
310
N
N
N
311
S
C
N
312
N
C
N
313
N
O
N
314
N
C
N
315
N
C
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
N
332
N
O
N
333
N
O
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
S
N
342
N
O
N
343
N
O
N
344
N
O
N
345
N
O
N
346
N
N
N
347
S
C
N
348
N
C
N
349
N
O
N
350
R
C
N
351
N
O
N
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
N
N
364
S
C
N
365
N
C
N
366
N
O
N
367
N
C
Y
368
N
C
Y
369
N
C
Y
370
N
C
Y
371
N
N
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
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
H
N
390
N
N
N
391
S
C
N
392
N
C
N
393
N
O
N
394
N
C
Y
395
N
C
Y
396
N
C
Y
397
N
C
Y
398
N
C
Y
399
N
C
Y
400
N
C
N
401
N
O
N
402
N
O
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
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
N
N
415
S
C
N
416
N
C
N
417
N
O
N
418
N
C
N
419
N
C
N
420
N
C
N
421
N
O
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
H
N
431
N
H
N
432
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
doub
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
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
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
doub
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
sing
N
53
N
doub
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
sing
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
sing
N
79
N
doub
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
doub
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
doub
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
doub
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
sing
N
109
N
sing
N
110
N
doub
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
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
doub
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
doub
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
doub
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
sing
N
159
N
sing
N
160
N
doub
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
doub
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
Y
174
N
sing
Y
175
N
doub
Y
176
N
doub
N
177
N
sing
Y
178
N
sing
N
179
N
sing
Y
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
doub
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
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
doub
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
sing
N
234
N
doub
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
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
doub
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
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
sing
N
276
N
sing
N
277
N
doub
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
Y
282
N
doub
Y
283
N
sing
Y
284
N
sing
N
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
288
N
doub
N
289
N
sing
Y
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
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
doub
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
doub
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
doub
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
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
doub
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
Y
355
N
doub
Y
356
N
sing
Y
357
N
sing
N
358
N
sing
Y
359
N
doub
Y
360
N
sing
Y
361
N
sing
N
362
N
sing
Y
363
N
sing
Y
364
N
doub
N
365
N
sing
Y
366
N
doub
N
367
N
sing
Y
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
sing
N
378
N
doub
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
Y
383
N
doub
Y
384
N
sing
Y
385
N
sing
N
386
N
sing
Y
387
N
doub
N
388
N
sing
Y
389
N
doub
N
390
N
sing
Y
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
doub
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
103
6835
6840
10.1073/pnas.0601910103
16636277
Insights into the serine protease mechanism from atomic resolution structures of trypsin reaction intermediates
2006
10.2210/pdb2agi/pdb
pdb_00002agi
100
1
CCD
2003-10-17
ADSC QUANTUM 4
SINGLE WAVELENGTH
M
x-ray
1
1.00000
1.0
8.3.1
ALS
1.00000
SYNCHROTRON
ALS BEAMLINE 8.3.1
23324.287
beta-trypsin
3.4.21.4
1
nat
polymer
429.578
leupeptin
1
syn
polymer
96.063
SULFATE ION
2
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
371
nat
water
Cationic trypsin
E.C.3.4.21.4
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
X
polypeptide(L)
no
yes
(ACE)LL(AR7)
XLLR
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
cattle
Bos
sample
9913
pancreas
Bos taurus
1
2.81
55
VAPOR DIFFUSION, HANGING DROP
6.0
ammonium sulfate, bis-tris propane, calcium chloride, benzamidine, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Other
Refinement description
Data collection
Database references
Derived calculations
Refinement description
1
0
2006-05-16
1
1
2008-04-01
1
2
2011-07-13
1
3
2013-02-27
1
4
2017-10-11
1
5
2023-08-23
_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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_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.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_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
AAPR-trypsin acyl-enzyme
AAPK-trypsin acyl-enzyme
4-guanidinobenzoic acid trypsin complex
N
RCSB
Y
RCSB
2005-07-26
REL
REL
SO4
SULFATE ION
CA
CALCIUM ION
HOH
water
66430
Actinomycetes Streptomyces roseus MA 839-A1
sample
THE LEUPEPTIN IS COVALENTLY CONNECTED TO ACTIVE_SITE SER 195 OF THE ENZYME TO FORM A HEMIACETAL.
THERE IS A DISCREPANCY IN THE NORINE AND PDB NUMBERING, AS NORINE COUNTS ACE AND LEU TOGETHER AS ONE RESIDUE. SO THE DBREF WILL REPORT 4 PDB RESIDUES MATCHING NORINE 3 RESIDUE
2AGE
PDB entry 2AGE
PDB
experimental model
Enzyme inhibitor
LEUPEPTIN
Oligopeptide
SO4
701
3
SO4
SO4
701
X
SO4
801
3
SO4
SO4
801
X
CA
501
4
CA
CA
501
X
HOH
1
5
HOH
HOH
802
X
HOH
2
5
HOH
HOH
803
X
HOH
3
5
HOH
HOH
804
X
HOH
4
5
HOH
HOH
805
X
HOH
5
5
HOH
HOH
806
X
HOH
6
5
HOH
HOH
807
X
HOH
7
5
HOH
HOH
808
X
HOH
8
5
HOH
HOH
809
X
HOH
9
5
HOH
HOH
810
X
HOH
10
5
HOH
HOH
811
X
HOH
11
5
HOH
HOH
812
X
HOH
12
5
HOH
HOH
813
X
HOH
13
5
HOH
HOH
814
X
HOH
14
5
HOH
HOH
815
X
HOH
15
5
HOH
HOH
816
X
HOH
16
5
HOH
HOH
817
X
HOH
17
5
HOH
HOH
818
X
HOH
18
5
HOH
HOH
819
X
HOH
19
5
HOH
HOH
820
X
HOH
20
5
HOH
HOH
821
X
HOH
21
5
HOH
HOH
822
X
HOH
22
5
HOH
HOH
823
X
HOH
23
5
HOH
HOH
824
X
HOH
24
5
HOH
HOH
825
X
HOH
25
5
HOH
HOH
826
X
HOH
26
5
HOH
HOH
827
X
HOH
27
5
HOH
HOH
828
X
HOH
28
5
HOH
HOH
829
X
HOH
29
5
HOH
HOH
830
X
HOH
30
5
HOH
HOH
831
X
HOH
31
5
HOH
HOH
832
X
HOH
32
5
HOH
HOH
833
X
HOH
33
5
HOH
HOH
834
X
HOH
34
5
HOH
HOH
835
X
HOH
35
5
HOH
HOH
836
X
HOH
36
5
HOH
HOH
837
X
HOH
37
5
HOH
HOH
838
X
HOH
38
5
HOH
HOH
839
X
HOH
39
5
HOH
HOH
840
X
HOH
40
5
HOH
HOH
841
X
HOH
41
5
HOH
HOH
842
X
HOH
42
5
HOH
HOH
843
X
HOH
43
5
HOH
HOH
844
X
HOH
44
5
HOH
HOH
845
X
HOH
45
5
HOH
HOH
846
X
HOH
46
5
HOH
HOH
847
X
HOH
47
5
HOH
HOH
848
X
HOH
48
5
HOH
HOH
849
X
HOH
49
5
HOH
HOH
850
X
HOH
51
5
HOH
HOH
851
X
HOH
52
5
HOH
HOH
852
X
HOH
53
5
HOH
HOH
853
X
HOH
54
5
HOH
HOH
854
X
HOH
55
5
HOH
HOH
855
X
HOH
56
5
HOH
HOH
856
X
HOH
57
5
HOH
HOH
857
X
HOH
58
5
HOH
HOH
858
X
HOH
59
5
HOH
HOH
859
X
HOH
60
5
HOH
HOH
860
X
HOH
61
5
HOH
HOH
861
X
HOH
62
5
HOH
HOH
862
X
HOH
63
5
HOH
HOH
863
X
HOH
64
5
HOH
HOH
864
X
HOH
65
5
HOH
HOH
865
X
HOH
66
5
HOH
HOH
866
X
HOH
67
5
HOH
HOH
867
X
HOH
68
5
HOH
HOH
868
X
HOH
69
5
HOH
HOH
869
X
HOH
70
5
HOH
HOH
870
X
HOH
71
5
HOH
HOH
871
X
HOH
72
5
HOH
HOH
872
X
HOH
73
5
HOH
HOH
873
X
HOH
74
5
HOH
HOH
874
X
HOH
75
5
HOH
HOH
875
X
HOH
76
5
HOH
HOH
876
X
HOH
77
5
HOH
HOH
877
X
HOH
78
5
HOH
HOH
878
X
HOH
79
5
HOH
HOH
879
X
HOH
80
5
HOH
HOH
880
X
HOH
81
5
HOH
HOH
881
X
HOH
82
5
HOH
HOH
882
X
HOH
83
5
HOH
HOH
883
X
HOH
84
5
HOH
HOH
884
X
HOH
85
5
HOH
HOH
885
X
HOH
86
5
HOH
HOH
886
X
HOH
87
5
HOH
HOH
887
X
HOH
88
5
HOH
HOH
888
X
HOH
89
5
HOH
HOH
889
X
HOH
90
5
HOH
HOH
890
X
HOH
91
5
HOH
HOH
891
X
HOH
92
5
HOH
HOH
892
X
HOH
93
5
HOH
HOH
893
X
HOH
94
5
HOH
HOH
894
X
HOH
95
5
HOH
HOH
895
X
HOH
96
5
HOH
HOH
896
X
HOH
97
5
HOH
HOH
897
X
HOH
98
5
HOH
HOH
898
X
HOH
99
5
HOH
HOH
899
X
HOH
100
5
HOH
HOH
900
X
HOH
101
5
HOH
HOH
901
X
HOH
102
5
HOH
HOH
902
X
HOH
103
5
HOH
HOH
903
X
HOH
104
5
HOH
HOH
904
X
HOH
105
5
HOH
HOH
905
X
HOH
106
5
HOH
HOH
906
X
HOH
107
5
HOH
HOH
907
X
HOH
108
5
HOH
HOH
908
X
HOH
109
5
HOH
HOH
909
X
HOH
110
5
HOH
HOH
910
X
HOH
111
5
HOH
HOH
911
X
HOH
113
5
HOH
HOH
912
X
HOH
114
5
HOH
HOH
913
X
HOH
115
5
HOH
HOH
914
X
HOH
116
5
HOH
HOH
915
X
HOH
117
5
HOH
HOH
916
X
HOH
118
5
HOH
HOH
917
X
HOH
119
5
HOH
HOH
918
X
HOH
120
5
HOH
HOH
919
X
HOH
121
5
HOH
HOH
920
X
HOH
122
5
HOH
HOH
921
X
HOH
123
5
HOH
HOH
922
X
HOH
124
5
HOH
HOH
923
X
HOH
125
5
HOH
HOH
924
X
HOH
126
5
HOH
HOH
925
X
HOH
127
5
HOH
HOH
926
X
HOH
128
5
HOH
HOH
927
X
HOH
129
5
HOH
HOH
928
X
HOH
130
5
HOH
HOH
929
X
HOH
131
5
HOH
HOH
930
X
HOH
132
5
HOH
HOH
931
X
HOH
133
5
HOH
HOH
932
X
HOH
134
5
HOH
HOH
933
X
HOH
135
5
HOH
HOH
934
X
HOH
136
5
HOH
HOH
935
X
HOH
137
5
HOH
HOH
936
X
HOH
138
5
HOH
HOH
937
X
HOH
139
5
HOH
HOH
938
X
HOH
140
5
HOH
HOH
939
X
HOH
141
5
HOH
HOH
940
X
HOH
142
5
HOH
HOH
941
X
HOH
143
5
HOH
HOH
942
X
HOH
144
5
HOH
HOH
943
X
HOH
145
5
HOH
HOH
944
X
HOH
146
5
HOH
HOH
945
X
HOH
147
5
HOH
HOH
946
X
HOH
148
5
HOH
HOH
947
X
HOH
149
5
HOH
HOH
948
X
HOH
150
5
HOH
HOH
949
X
HOH
151
5
HOH
HOH
950
X
HOH
152
5
HOH
HOH
951
X
HOH
153
5
HOH
HOH
952
X
HOH
154
5
HOH
HOH
953
X
HOH
155
5
HOH
HOH
954
X
HOH
156
5
HOH
HOH
955
X
HOH
157
5
HOH
HOH
956
X
HOH
158
5
HOH
HOH
957
X
HOH
159
5
HOH
HOH
958
X
HOH
160
5
HOH
HOH
959
X
HOH
161
5
HOH
HOH
960
X
HOH
162
5
HOH
HOH
961
X
HOH
163
5
HOH
HOH
962
X
HOH
164
5
HOH
HOH
963
X
HOH
165
5
HOH
HOH
964
X
HOH
166
5
HOH
HOH
965
X
HOH
167
5
HOH
HOH
966
X
HOH
168
5
HOH
HOH
967
X
HOH
169
5
HOH
HOH
968
X
HOH
170
5
HOH
HOH
969
X
HOH
171
5
HOH
HOH
970
X
HOH
172
5
HOH
HOH
971
X
HOH
173
5
HOH
HOH
972
X
HOH
174
5
HOH
HOH
973
X
HOH
175
5
HOH
HOH
974
X
HOH
176
5
HOH
HOH
975
X
HOH
177
5
HOH
HOH
976
X
HOH
178
5
HOH
HOH
977
X
HOH
179
5
HOH
HOH
978
X
HOH
180
5
HOH
HOH
979
X
HOH
181
5
HOH
HOH
980
X
HOH
182
5
HOH
HOH
981
X
HOH
183
5
HOH
HOH
982
X
HOH
184
5
HOH
HOH
983
X
HOH
185
5
HOH
HOH
984
X
HOH
186
5
HOH
HOH
985
X
HOH
187
5
HOH
HOH
986
X
HOH
188
5
HOH
HOH
987
X
HOH
189
5
HOH
HOH
988
X
HOH
190
5
HOH
HOH
989
X
HOH
191
5
HOH
HOH
990
X
HOH
192
5
HOH
HOH
991
X
HOH
193
5
HOH
HOH
992
X
HOH
194
5
HOH
HOH
993
X
HOH
195
5
HOH
HOH
994
X
HOH
196
5
HOH
HOH
995
X
HOH
197
5
HOH
HOH
996
X
HOH
198
5
HOH
HOH
997
X
HOH
199
5
HOH
HOH
998
X
HOH
200
5
HOH
HOH
999
X
HOH
201
5
HOH
HOH
1000
X
HOH
202
5
HOH
HOH
1001
X
HOH
203
5
HOH
HOH
1002
X
HOH
204
5
HOH
HOH
1003
X
HOH
205
5
HOH
HOH
1004
X
HOH
206
5
HOH
HOH
1005
X
HOH
207
5
HOH
HOH
1006
X
HOH
208
5
HOH
HOH
1007
X
HOH
209
5
HOH
HOH
1008
X
HOH
210
5
HOH
HOH
1009
X
HOH
211
5
HOH
HOH
1010
X
HOH
213
5
HOH
HOH
1011
X
HOH
214
5
HOH
HOH
1012
X
HOH
215
5
HOH
HOH
1013
X
HOH
216
5
HOH
HOH
1014
X
HOH
217
5
HOH
HOH
1015
X
HOH
218
5
HOH
HOH
1016
X
HOH
219
5
HOH
HOH
1017
X
HOH
220
5
HOH
HOH
1018
X
HOH
221
5
HOH
HOH
1019
X
HOH
222
5
HOH
HOH
1020
X
HOH
223
5
HOH
HOH
1021
X
HOH
224
5
HOH
HOH
1022
X
HOH
225
5
HOH
HOH
1023
X
HOH
226
5
HOH
HOH
1024
X
HOH
227
5
HOH
HOH
1025
X
HOH
228
5
HOH
HOH
1026
X
HOH
229
5
HOH
HOH
1027
X
HOH
230
5
HOH
HOH
1028
X
HOH
231
5
HOH
HOH
1029
X
HOH
232
5
HOH
HOH
1030
X
HOH
233
5
HOH
HOH
1031
X
HOH
234
5
HOH
HOH
1032
X
HOH
235
5
HOH
HOH
1033
X
HOH
236
5
HOH
HOH
1034
X
HOH
237
5
HOH
HOH
1035
X
HOH
238
5
HOH
HOH
1036
X
HOH
239
5
HOH
HOH
1037
X
HOH
240
5
HOH
HOH
1038
X
HOH
241
5
HOH
HOH
1039
X
HOH
242
5
HOH
HOH
1040
X
HOH
243
5
HOH
HOH
1041
X
HOH
244
5
HOH
HOH
1042
X
HOH
245
5
HOH
HOH
1043
X
HOH
246
5
HOH
HOH
1044
X
HOH
247
5
HOH
HOH
1045
X
HOH
248
5
HOH
HOH
1046
X
HOH
249
5
HOH
HOH
1047
X
HOH
250
5
HOH
HOH
1048
X
HOH
251
5
HOH
HOH
1049
X
HOH
252
5
HOH
HOH
1050
X
HOH
253
5
HOH
HOH
1051
X
HOH
254
5
HOH
HOH
1052
X
HOH
255
5
HOH
HOH
1053
X
HOH
258
5
HOH
HOH
1054
X
HOH
259
5
HOH
HOH
1055
X
HOH
260
5
HOH
HOH
1056
X
HOH
261
5
HOH
HOH
1057
X
HOH
262
5
HOH
HOH
1058
X
HOH
263
5
HOH
HOH
1059
X
HOH
264
5
HOH
HOH
1060
X
HOH
265
5
HOH
HOH
1061
X
HOH
266
5
HOH
HOH
1062
X
HOH
267
5
HOH
HOH
1063
X
HOH
268
5
HOH
HOH
1064
X
HOH
269
5
HOH
HOH
1065
X
HOH
270
5
HOH
HOH
1066
X
HOH
271
5
HOH
HOH
1067
X
HOH
272
5
HOH
HOH
1068
X
HOH
273
5
HOH
HOH
1069
X
HOH
274
5
HOH
HOH
1070
X
HOH
275
5
HOH
HOH
1071
X
HOH
276
5
HOH
HOH
1072
X
HOH
277
5
HOH
HOH
1073
X
HOH
278
5
HOH
HOH
1074
X
HOH
279
5
HOH
HOH
1075
X
HOH
280
5
HOH
HOH
1076
X
HOH
281
5
HOH
HOH
1077
X
HOH
282
5
HOH
HOH
1078
X
HOH
283
5
HOH
HOH
1079
X
HOH
284
5
HOH
HOH
1080
X
HOH
285
5
HOH
HOH
1081
X
HOH
286
5
HOH
HOH
1082
X
HOH
287
5
HOH
HOH
1083
X
HOH
288
5
HOH
HOH
1084
X
HOH
289
5
HOH
HOH
1085
X
HOH
290
5
HOH
HOH
1086
X
HOH
291
5
HOH
HOH
1087
X
HOH
292
5
HOH
HOH
1088
X
HOH
293
5
HOH
HOH
1089
X
HOH
294
5
HOH
HOH
1090
X
HOH
295
5
HOH
HOH
1091
X
HOH
296
5
HOH
HOH
1092
X
HOH
297
5
HOH
HOH
1093
X
HOH
298
5
HOH
HOH
1094
X
HOH
299
5
HOH
HOH
1095
X
HOH
300
5
HOH
HOH
1096
X
HOH
301
5
HOH
HOH
1097
X
HOH
302
5
HOH
HOH
1098
X
HOH
303
5
HOH
HOH
1099
X
HOH
304
5
HOH
HOH
1100
X
HOH
305
5
HOH
HOH
1101
X
HOH
306
5
HOH
HOH
1102
X
HOH
307
5
HOH
HOH
1103
X
HOH
308
5
HOH
HOH
1104
X
HOH
309
5
HOH
HOH
1105
X
HOH
310
5
HOH
HOH
1106
X
HOH
312
5
HOH
HOH
1107
X
HOH
313
5
HOH
HOH
1108
X
HOH
314
5
HOH
HOH
1109
X
HOH
315
5
HOH
HOH
1110
X
HOH
316
5
HOH
HOH
1111
X
HOH
317
5
HOH
HOH
1112
X
HOH
318
5
HOH
HOH
1113
X
HOH
319
5
HOH
HOH
1114
X
HOH
320
5
HOH
HOH
1115
X
HOH
321
5
HOH
HOH
1116
X
HOH
322
5
HOH
HOH
1117
X
HOH
323
5
HOH
HOH
1118
X
HOH
324
5
HOH
HOH
1119
X
HOH
325
5
HOH
HOH
1120
X
HOH
326
5
HOH
HOH
1121
X
HOH
327
5
HOH
HOH
1122
X
HOH
328
5
HOH
HOH
1123
X
HOH
329
5
HOH
HOH
1124
X
HOH
330
5
HOH
HOH
1125
X
HOH
331
5
HOH
HOH
1126
X
HOH
332
5
HOH
HOH
1127
X
HOH
333
5
HOH
HOH
1128
X
HOH
334
5
HOH
HOH
1129
X
HOH
335
5
HOH
HOH
1130
X
HOH
336
5
HOH
HOH
1131
X
HOH
337
5
HOH
HOH
1132
X
HOH
338
5
HOH
HOH
1133
X
HOH
339
5
HOH
HOH
1134
X
HOH
340
5
HOH
HOH
1135
X
HOH
341
5
HOH
HOH
1136
X
HOH
342
5
HOH
HOH
1137
X
HOH
343
5
HOH
HOH
1138
X
HOH
344
5
HOH
HOH
1139
X
HOH
345
5
HOH
HOH
1140
X
HOH
346
5
HOH
HOH
1141
X
HOH
347
5
HOH
HOH
1142
X
HOH
349
5
HOH
HOH
1143
X
HOH
350
5
HOH
HOH
1144
X
HOH
351
5
HOH
HOH
1145
X
HOH
352
5
HOH
HOH
1146
X
HOH
353
5
HOH
HOH
1147
X
HOH
354
5
HOH
HOH
1148
X
HOH
356
5
HOH
HOH
1149
X
HOH
358
5
HOH
HOH
1150
X
HOH
359
5
HOH
HOH
1151
X
HOH
360
5
HOH
HOH
1152
X
HOH
361
5
HOH
HOH
1153
X
HOH
362
5
HOH
HOH
1154
X
HOH
363
5
HOH
HOH
1155
X
HOH
364
5
HOH
HOH
1156
X
HOH
365
5
HOH
HOH
1157
X
HOH
366
5
HOH
HOH
1158
X
HOH
367
5
HOH
HOH
1159
X
HOH
368
5
HOH
HOH
1160
X
HOH
369
5
HOH
HOH
1161
X
HOH
370
5
HOH
HOH
1162
X
HOH
371
5
HOH
HOH
1163
X
HOH
50
5
HOH
HOH
50
A
HOH
112
5
HOH
HOH
112
A
HOH
212
5
HOH
HOH
212
A
HOH
256
5
HOH
HOH
256
A
HOH
257
5
HOH
HOH
257
A
HOH
311
5
HOH
HOH
311
A
HOH
348
5
HOH
HOH
348
A
HOH
355
5
HOH
HOH
355
A
HOH
357
5
HOH
HOH
357
A
ILE
16
n
1
ILE
16
X
VAL
17
n
2
VAL
17
X
GLY
18
n
3
GLY
18
X
GLY
19
n
4
GLY
19
X
TYR
20
n
5
TYR
20
X
THR
21
n
6
THR
21
X
CYS
22
n
7
CYS
22
X
GLY
23
n
8
GLY
23
X
ALA
24
n
9
ALA
24
X
ASN
25
n
10
ASN
25
X
THR
26
n
11
THR
26
X
VAL
27
n
12
VAL
27
X
PRO
28
n
13
PRO
28
X
TYR
29
n
14
TYR
29
X
GLN
30
n
15
GLN
30
X
VAL
31
n
16
VAL
31
X
SER
32
n
17
SER
32
X
LEU
33
n
18
LEU
33
X
ASN
34
n
19
ASN
34
X
SER
37
n
20
SER
37
X
GLY
38
n
21
GLY
38
X
TYR
39
n
22
TYR
39
X
HIS
40
n
23
HIS
40
X
PHE
41
n
24
PHE
41
X
CYS
42
n
25
CYS
42
X
GLY
43
n
26
GLY
43
X
GLY
44
n
27
GLY
44
X
SER
45
n
28
SER
45
X
LEU
46
n
29
LEU
46
X
ILE
47
n
30
ILE
47
X
ASN
48
n
31
ASN
48
X
SER
49
n
32
SER
49
X
GLN
50
n
33
GLN
50
X
TRP
51
n
34
TRP
51
X
VAL
52
n
35
VAL
52
X
VAL
53
n
36
VAL
53
X
SER
54
n
37
SER
54
X
ALA
55
n
38
ALA
55
X
ALA
56
n
39
ALA
56
X
HIS
57
n
40
HIS
57
X
CYS
58
n
41
CYS
58
X
TYR
59
n
42
TYR
59
X
LYS
60
n
43
LYS
60
X
SER
61
n
44
SER
61
X
GLY
62
n
45
GLY
62
X
ILE
63
n
46
ILE
63
X
GLN
64
n
47
GLN
64
X
VAL
65
n
48
VAL
65
X
ARG
66
n
49
ARG
66
X
LEU
67
n
50
LEU
67
X
GLY
69
n
51
GLY
69
X
GLU
70
n
52
GLU
70
X
ASP
71
n
53
ASP
71
X
ASN
72
n
54
ASN
72
X
ILE
73
n
55
ILE
73
X
ASN
74
n
56
ASN
74
X
VAL
75
n
57
VAL
75
X
VAL
76
n
58
VAL
76
X
GLU
77
n
59
GLU
77
X
GLY
78
n
60
GLY
78
X
ASN
79
n
61
ASN
79
X
GLU
80
n
62
GLU
80
X
GLN
81
n
63
GLN
81
X
PHE
82
n
64
PHE
82
X
ILE
83
n
65
ILE
83
X
SER
84
n
66
SER
84
X
ALA
85
n
67
ALA
85
X
SER
86
n
68
SER
86
X
LYS
87
n
69
LYS
87
X
SER
88
n
70
SER
88
X
ILE
89
n
71
ILE
89
X
VAL
90
n
72
VAL
90
X
HIS
91
n
73
HIS
91
X
PRO
92
n
74
PRO
92
X
SER
93
n
75
SER
93
X
TYR
94
n
76
TYR
94
X
ASN
95
n
77
ASN
95
X
SER
96
n
78
SER
96
X
ASN
97
n
79
ASN
97
X
THR
98
n
80
THR
98
X
LEU
99
n
81
LEU
99
X
ASN
100
n
82
ASN
100
X
ASN
101
n
83
ASN
101
X
ASP
102
n
84
ASP
102
X
ILE
103
n
85
ILE
103
X
MET
104
n
86
MET
104
X
LEU
105
n
87
LEU
105
X
ILE
106
n
88
ILE
106
X
LYS
107
n
89
LYS
107
X
LEU
108
n
90
LEU
108
X
LYS
109
n
91
LYS
109
X
SER
110
n
92
SER
110
X
ALA
111
n
93
ALA
111
X
ALA
112
n
94
ALA
112
X
SER
113
n
95
SER
113
X
LEU
114
n
96
LEU
114
X
ASN
115
n
97
ASN
115
X
SER
116
n
98
SER
116
X
ARG
117
n
99
ARG
117
X
VAL
118
n
100
VAL
118
X
ALA
119
n
101
ALA
119
X
SER
120
n
102
SER
120
X
ILE
121
n
103
ILE
121
X
SER
122
n
104
SER
122
X
LEU
123
n
105
LEU
123
X
PRO
124
n
106
PRO
124
X
THR
125
n
107
THR
125
X
SER
127
n
108
SER
127
X
CYS
128
n
109
CYS
128
X
ALA
129
n
110
ALA
129
X
SER
130
n
111
SER
130
X
ALA
132
n
112
ALA
132
X
GLY
133
n
113
GLY
133
X
THR
134
n
114
THR
134
X
GLN
135
n
115
GLN
135
X
CYS
136
n
116
CYS
136
X
LEU
137
n
117
LEU
137
X
ILE
138
n
118
ILE
138
X
SER
139
n
119
SER
139
X
GLY
140
n
120
GLY
140
X
TRP
141
n
121
TRP
141
X
GLY
142
n
122
GLY
142
X
ASN
143
n
123
ASN
143
X
THR
144
n
124
THR
144
X
LYS
145
n
125
LYS
145
X
SER
146
n
126
SER
146
X
SER
147
n
127
SER
147
X
GLY
148
n
128
GLY
148
X
THR
149
n
129
THR
149
X
SER
150
n
130
SER
150
X
TYR
151
n
131
TYR
151
X
PRO
152
n
132
PRO
152
X
ASP
153
n
133
ASP
153
X
VAL
154
n
134
VAL
154
X
LEU
155
n
135
LEU
155
X
LYS
156
n
136
LYS
156
X
CYS
157
n
137
CYS
157
X
LEU
158
n
138
LEU
158
X
LYS
159
n
139
LYS
159
X
ALA
160
n
140
ALA
160
X
PRO
161
n
141
PRO
161
X
ILE
162
n
142
ILE
162
X
LEU
163
n
143
LEU
163
X
SER
164
n
144
SER
164
X
ASP
165
n
145
ASP
165
X
SER
166
n
146
SER
166
X
SER
167
n
147
SER
167
X
CYS
168
n
148
CYS
168
X
LYS
169
n
149
LYS
169
X
SER
170
n
150
SER
170
X
ALA
171
n
151
ALA
171
X
TYR
172
n
152
TYR
172
X
PRO
173
n
153
PRO
173
X
GLY
174
n
154
GLY
174
X
GLN
175
n
155
GLN
175
X
ILE
176
n
156
ILE
176
X
THR
177
n
157
THR
177
X
SER
178
n
158
SER
178
X
ASN
179
n
159
ASN
179
X
MET
180
n
160
MET
180
X
PHE
181
n
161
PHE
181
X
CYS
182
n
162
CYS
182
X
ALA
183
n
163
ALA
183
X
GLY
184
n
164
A
GLY
184
X
TYR
184
n
165
TYR
184
X
LEU
185
n
166
LEU
185
X
GLU
186
n
167
GLU
186
X
GLY
187
n
168
GLY
187
X
GLY
188
n
169
A
GLY
188
X
LYS
188
n
170
LYS
188
X
ASP
189
n
171
ASP
189
X
SER
190
n
172
SER
190
X
CYS
191
n
173
CYS
191
X
GLN
192
n
174
GLN
192
X
GLY
193
n
175
GLY
193
X
ASP
194
n
176
ASP
194
X
SER
195
n
177
SER
195
X
GLY
196
n
178
GLY
196
X
GLY
197
n
179
GLY
197
X
PRO
198
n
180
PRO
198
X
VAL
199
n
181
VAL
199
X
VAL
200
n
182
VAL
200
X
CYS
201
n
183
CYS
201
X
SER
202
n
184
SER
202
X
GLY
203
n
185
GLY
203
X
LYS
204
n
186
LYS
204
X
LEU
209
n
187
LEU
209
X
GLN
210
n
188
GLN
210
X
GLY
211
n
189
GLY
211
X
ILE
212
n
190
ILE
212
X
VAL
213
n
191
VAL
213
X
SER
214
n
192
SER
214
X
TRP
215
n
193
TRP
215
X
GLY
216
n
194
GLY
216
X
SER
217
n
195
SER
217
X
GLY
219
n
196
GLY
219
X
CYS
220
n
197
CYS
220
X
ALA
221
n
198
A
ALA
221
X
GLN
221
n
199
GLN
221
X
LYS
222
n
200
LYS
222
X
ASN
223
n
201
ASN
223
X
LYS
224
n
202
LYS
224
X
PRO
225
n
203
PRO
225
X
GLY
226
n
204
GLY
226
X
VAL
227
n
205
VAL
227
X
TYR
228
n
206
TYR
228
X
THR
229
n
207
THR
229
X
LYS
230
n
208
LYS
230
X
VAL
231
n
209
VAL
231
X
CYS
232
n
210
CYS
232
X
ASN
233
n
211
ASN
233
X
TYR
234
n
212
TYR
234
X
VAL
235
n
213
VAL
235
X
SER
236
n
214
SER
236
X
TRP
237
n
215
TRP
237
X
ILE
238
n
216
ILE
238
X
LYS
239
n
217
LYS
239
X
GLN
240
n
218
GLN
240
X
THR
241
n
219
THR
241
X
ILE
242
n
220
ILE
242
X
ALA
243
n
221
ALA
243
X
SER
244
n
222
SER
244
X
ASN
245
n
223
ASN
245
X
ACE
0
n
1
ACE
0
A
LEU
1
n
2
LEU
1
A
LEU
2
n
3
LEU
2
A
AR7
3
n
4
AR7
3
A
author_defined_assembly
2
dimeric
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
X
ASN
72
A
O
ASN
54
1_555
90.9
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
X
VAL
75
A
O
VAL
57
1_555
163.9
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
E
CA
CA
1_555
X
VAL
75
A
O
VAL
57
1_555
82.3
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
102.7
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
E
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
157.8
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
E
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
88.5
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
815
F
O
HOH
1_555
84.6
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
815
F
O
HOH
1_555
85.4
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
815
F
O
HOH
1_555
109.2
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
815
F
O
HOH
1_555
78.5
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
80.6
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
103.9
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
86.9
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
95.7
X
HOH
815
F
O
HOH
1_555
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
162.6
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
X
N
TYR
20
A
N
TYR
5
X
O
CYS
157
A
O
CYS
137
X
O
LEU
158
A
O
LEU
138
X
N
ILE
138
A
N
ILE
118
X
N
LEU
137
A
N
LEU
117
X
O
VAL
200
A
O
VAL
182
X
N
CYS
201
A
N
CYS
183
X
O
LYS
204
A
O
LYS
186
X
N
TRP
215
A
N
TRP
193
X
O
VAL
227
A
O
VAL
205
X
O
TYR
228
A
O
TYR
206
X
N
PHE
181
A
N
PHE
161
X
N
LEU
33
A
N
LEU
18
X
O
CYS
42
A
O
CYS
25
X
N
SER
45
A
N
SER
28
X
O
VAL
53
A
O
VAL
36
X
N
VAL
52
A
N
VAL
35
X
O
ILE
106
A
O
ILE
88
X
O
LEU
105
A
O
LEU
87
X
N
ILE
89
A
N
ILE
71
X
O
GLN
81
A
O
GLN
63
X
N
LEU
67
A
N
LEU
50
X
O
ARG
66
A
O
ARG
49
X
N
SER
32
A
N
SER
17
1
X
CD
LYS
222
A
CD
LYS
200
1
Y
1
X
CE
LYS
222
A
CE
LYS
200
1
Y
1
X
NZ
LYS
222
A
NZ
LYS
200
1
Y
1
X
CE
LYS
224
A
CE
LYS
202
1
Y
1
X
NZ
LYS
224
A
NZ
LYS
202
1
Y
1
X
A
OG
C
SER
AR7
195
3
1.26
B
1
X
A
OG
C
SER
AR7
195
3
1.34
A
1
X
X
O
O
HOH
HOH
1033
1118
1.96
1
X
X
O
O
HOH
HOH
827
1064
2.19
1
A
LEU
1
21.02
1
-19.99
2.70
111.00
91.01
A
A
A
N
CA
C
LEU
LEU
LEU
1
1
1
N
1
-17.40
1.60
122.70
105.30
A
A
A
O
C
N
LEU
LEU
LEU
1
1
2
Y
1
X
X
CB
SG
CYS
CYS
42
42
-0.122
0.016
1.812
1.690
B
B
N
1
X
X
O
O
HOH
HOH
897
997
2.14
1_555
3_645
1
X
ASP
71
-122.91
-78.85
1
X
ASN
79
80.06
-3.22
1
X
SER
214
-121.94
-66.31
12.663
-0.060
0.000
0.000
-0.090
0.000
0.150
0.985
0.980
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
0.138
0.116
0.117
0.117
1.140
46.630
4449
88464
88464
5.000
99.64
0.808
0.016
inherited from PDB entry 2AGE
1
anisotropic
THROUGHOUT
0.00
MOLECULAR REPLACEMENT
0.024
0.026
0.800
0.800
1.200
PDB entry 2AGE
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
1.140
46.630
371
2036
11
0
1654
0.017
0.021
1762
0.007
0.020
1542
1.869
1.970
2381
1.904
3.000
3638
6.677
5.000
218
41.098
26.066
61
10.309
15.000
294
11.996
15.000
2
0.137
0.200
281
0.010
0.020
1882
0.005
0.020
310
0.377
0.200
346
0.270
0.200
1807
0.102
0.200
977
0.181
0.200
255
0.121
0.200
6
0.193
0.200
1
0.356
0.200
18
0.229
0.200
30
3.083
2.000
1166
2.198
2.000
475
3.977
3.000
1829
5.283
4.500
690
6.730
6.000
546
3.471
3.000
3616
16.976
5.000
372
6.875
5.000
3265
0.386
0.356
1.170
152
2669
2821
20
1.14
46.63
2AGI
88464
88464
-3
0.04
0.04
1
13.1
3.2
99.64
0.284
1.14
1.20
1.5
6920
0.284
1
1.3
data reduction
MOSFLM
data scaling
SCALA
data reduction
TRUNCATE
phasing
EPMR
refinement
REFMAC
5.2
data scaling
CCP4
(SCALA
data scaling
TRUNCATE
The leupeptin-trypsin covalent complex at 1.14 A resolution
1
N
N
2
N
N
3
N
N
3
N
N
4
N
N
5
N
N
5
N
N
X
ALA
55
A
ALA
38
HELX_P
X
TYR
59
A
TYR
42
5
1
5
X
SER
164
A
SER
144
HELX_P
X
TYR
172
A
TYR
152
1
2
9
X
TYR
234
A
TYR
212
HELX_P
X
ASN
245
A
ASN
223
1
3
12
disulf
2.063
X
CYS
22
A
SG
CYS
7
1_555
X
CYS
157
A
SG
CYS
137
1_555
disulf
2.099
A
X
CYS
42
A
SG
CYS
25
1_555
X
CYS
58
A
SG
CYS
41
1_555
disulf
2.022
X
CYS
128
A
SG
CYS
109
1_555
X
CYS
232
A
SG
CYS
210
1_555
disulf
1.992
A
X
CYS
136
A
SG
CYS
116
1_555
X
CYS
201
A
SG
CYS
183
1_555
disulf
2.394
B
X
CYS
136
A
SG
CYS
116
1_555
X
CYS
201
A
SG
CYS
183
1_555
disulf
2.075
X
CYS
168
A
SG
CYS
148
1_555
X
CYS
182
A
SG
CYS
162
1_555
disulf
2.048
A
X
CYS
191
A
SG
CYS
173
1_555
X
CYS
220
A
SG
CYS
197
1_555
disulf
2.063
B
X
CYS
191
A
SG
CYS
173
1_555
X
CYS
220
A
SG
CYS
197
1_555
covale
1.305
both
A
ACE
0
B
C
ACE
1
1_555
A
LEU
1
B
N
LEU
2
1_555
covale
1.327
both
A
LEU
2
B
C
LEU
3
1_555
A
AR7
3
B
N
AR7
4
1_555
metalc
2.268
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
E
CA
CA
1_555
metalc
2.303
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
E
CA
CA
1_555
metalc
2.256
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
E
CA
CA
1_555
metalc
2.312
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
E
CA
CA
1_555
metalc
2.362
X
CA
501
E
CA
CA
1_555
X
HOH
815
F
O
HOH
1_555
metalc
2.322
X
CA
501
E
CA
CA
1_555
X
HOH
822
F
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
Acyl-enzyme, serine protease, proteinase, peptidase, hydrolase, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
TRY1_BOVIN
UNP
1
21
P00760
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
NOR00487
NOR
2
1
NOR00487
XLLR
21
243
2AGI
16
238
P00760
X
1
1
216
1
3
2AGI
0
3
NOR00487
A
2
1
4
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
X
TYR
20
A
TYR
5
X
THR
21
A
THR
6
X
LYS
156
A
LYS
136
X
PRO
161
A
PRO
141
X
GLN
135
A
GLN
115
X
GLY
140
A
GLY
120
X
PRO
198
A
PRO
180
X
CYS
201
A
CYS
183
X
LYS
204
A
LYS
186
X
TRP
215
A
TRP
193
X
GLY
226
A
GLY
204
X
LYS
230
A
LYS
208
X
MET
180
A
MET
160
X
ALA
183
A
ALA
163
X
GLN
30
A
GLN
15
X
ASN
34
A
ASN
19
X
HIS
40
A
HIS
23
X
ASN
48
A
ASN
31
X
TRP
51
A
TRP
34
X
SER
54
A
SER
37
X
MET
104
A
MET
86
X
LEU
108
A
LEU
90
X
GLN
81
A
GLN
63
X
VAL
90
A
VAL
72
X
GLN
64
A
GLN
47
X
LEU
67
A
LEU
50
X
GLN
30
A
GLN
15
X
ASN
34
A
ASN
19
BINDING SITE FOR RESIDUE SO4 X 701
X
SO4
701
Software
5
BINDING SITE FOR RESIDUE SO4 X 801
X
SO4
801
Software
7
BINDING SITE FOR RESIDUE CA X 501
X
CA
501
Software
6
BINDING SITE FOR CHAIN A OF LEUPEPTIN
Software
22
A
HOH
50
G
HOH
5
1_555
X
GLN
192
A
GLN
174
5
1_555
X
GLY
193
A
GLY
175
5
1_555
X
HOH
934
F
HOH
5
1_555
X
HOH
1041
F
HOH
5
1_555
X
LYS
169
A
LYS
149
7
1_555
X
PRO
173
A
PRO
153
7
1_555
X
GLY
174
A
GLY
154
7
1_555
X
GLN
240
A
GLN
218
7
4_475
X
HOH
931
F
HOH
7
1_555
X
HOH
1117
F
HOH
7
1_555
X
HOH
1122
F
HOH
7
1_555
X
GLU
70
A
GLU
52
6
1_555
X
ASN
72
A
ASN
54
6
1_555
X
VAL
75
A
VAL
57
6
1_555
X
GLU
80
A
GLU
62
6
1_555
X
HOH
815
F
HOH
6
1_555
X
HOH
822
F
HOH
6
1_555
A
HOH
50
G
HOH
22
1_555
A
HOH
112
G
HOH
22
1_555
A
HOH
212
G
HOH
22
1_555
A
HOH
256
G
HOH
22
1_555
A
HOH
257
G
HOH
22
1_555
A
HOH
355
G
HOH
22
1_555
X
HIS
57
A
HIS
40
22
1_555
X
LEU
99
A
LEU
81
22
1_555
X
ASP
189
A
ASP
171
22
1_555
X
SER
190
A
SER
172
22
1_555
X
CYS
191
A
CYS
173
22
1_555
X
GLN
192
A
GLN
174
22
1_555
X
GLY
193
A
GLY
175
22
1_555
X
ASP
194
A
ASP
176
22
1_555
X
SER
195
A
SER
177
22
1_555
X
SER
214
A
SER
192
22
1_555
X
TRP
215
A
TRP
193
22
1_555
X
GLY
216
A
GLY
194
22
1_555
X
GLY
219
A
GLY
196
22
1_555
X
GLY
226
A
GLY
204
22
1_555
X
SO4
701
C
SO4
22
1_555
X
HOH
975
F
HOH
22
1_555
19
P 21 21 21