0.016290
0.000000
0.000000
0.000000
0.015726
0.000000
0.000000
0.000000
0.014525
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
61.388
63.588
68.849
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 H16 N2 O
132.204
(2S)-2,6-diaminohexan-1-ol
non-polymer
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
C7 H11 N O5
189.166
n
4-oxidanylidene-4-[[(2~{S})-1-oxidanyl-1-oxidanylidene-propan-2-yl]amino]butanoic acid
L-peptide NH3 amino terminus
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
C
N
207
N
N
N
208
N
O
N
209
S
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
N
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
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
C
N
238
N
C
N
239
N
N
N
240
N
O
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
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
N
N
257
S
C
N
258
N
C
N
259
N
O
N
260
N
C
N
261
N
C
N
262
N
S
N
263
N
C
N
264
N
O
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
H
N
275
N
H
N
276
N
N
N
277
S
C
N
278
N
C
N
279
N
O
N
280
N
C
Y
281
N
C
Y
282
N
C
Y
283
N
C
Y
284
N
C
Y
285
N
C
Y
286
N
C
N
287
N
O
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
N
N
300
S
C
N
301
N
C
N
302
N
O
N
303
N
C
N
304
N
C
N
305
N
C
N
306
N
O
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
N
N
317
S
C
N
318
N
C
N
319
N
O
N
320
N
C
N
321
N
O
N
322
N
O
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
S
N
331
N
O
N
332
N
O
N
333
N
O
N
334
N
O
N
335
N
N
N
336
S
C
N
337
N
C
N
338
N
O
N
339
R
C
N
340
N
O
N
341
N
C
N
342
N
O
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
N
N
353
S
C
N
354
N
C
N
355
N
O
N
356
N
C
Y
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
N
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
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
H
N
379
N
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
N
C
Y
384
N
C
Y
385
N
C
Y
386
N
C
Y
387
N
C
Y
388
N
C
Y
389
N
C
N
390
N
O
N
391
N
O
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
N
N
404
S
C
N
405
N
C
N
406
N
O
N
407
N
C
N
408
N
C
N
409
N
C
N
410
N
O
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
N
N
423
S
C
N
424
N
C
N
425
N
O
N
426
N
C
N
427
N
C
N
428
N
O
N
429
N
C
N
430
N
C
N
431
N
C
N
432
N
O
N
433
N
O
N
434
N
O
N
435
N
H
N
436
N
H
N
437
N
H
N
438
N
H
N
439
N
H
N
440
N
H
N
441
N
H
N
442
N
H
N
443
N
H
N
444
N
H
N
445
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
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
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
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
doub
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
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
doub
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
Y
272
N
doub
Y
273
N
sing
Y
274
N
sing
N
275
N
sing
Y
276
N
doub
N
277
N
sing
Y
278
N
doub
N
279
N
sing
Y
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
doub
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
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
doub
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
doub
N
315
N
doub
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
doub
N
325
N
sing
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
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
Y
345
N
doub
Y
346
N
sing
Y
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
sing
Y
354
N
doub
N
355
N
sing
Y
356
N
doub
N
357
N
sing
Y
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
Y
373
N
doub
Y
374
N
sing
Y
375
N
sing
N
376
N
sing
Y
377
N
doub
N
378
N
sing
Y
379
N
doub
N
380
N
sing
Y
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
doub
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
sing
N
403
N
sing
N
404
N
sing
N
405
N
doub
N
406
N
sing
N
407
N
sing
N
408
N
doub
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
doub
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
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/pdb2agg/pdb
pdb_00002agg
100
1
CCD
2005-05-26
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
Cationic trypsin
3.4.21.4
1
nat
polymer
471.547
succinyl-Ala-Ala-Pro-Lys
1
syn
polymer
96.063
SULFATE ION
1
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
357
nat
water
Beta-trypsin
E.C.3.4.21.4
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
X
polypeptide(L)
no
yes
(X5P)AP(LYJ)
AAPX
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
1
223
9913
pancreas
Bos taurus
1
2.81
55
VAPOR DIFFUSION, HANGING DROP
6
ammonium sulfate, bis-tris propane, calcium chloride, benzamidine, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_unobs_or_zero_occ_atoms
struct_conn
struct_site
atom_site
atom_site_anisotrop
chem_comp
chem_comp_atom
chem_comp_bond
entity
entity_name_com
entity_poly
entity_poly_seq
entity_src_nat
pdbx_distant_solvent_atoms
pdbx_entity_src_syn
pdbx_poly_seq_scheme
pdbx_struct_sheet_hbond
pdbx_unobs_or_zero_occ_atoms
struct_conn
struct_ref
struct_ref_seq
struct_sheet_range
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Other
Advisory
Data collection
Database references
Derived calculations
Refinement description
Advisory
Atomic model
Data collection
Database references
Derived calculations
Non-polymer description
Polymer sequence
Source and taxonomy
Structure summary
1
0
2006-05-16
1
1
2008-04-01
1
2
2011-07-13
1
3
2012-12-12
1
4
2023-08-23
2
0
2024-04-24
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.pdbx_ptnr1_label_alt_id
_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
_atom_site.B_iso_or_equiv
_atom_site.Cartn_x
_atom_site.Cartn_y
_atom_site.Cartn_z
_atom_site.auth_atom_id
_atom_site.auth_comp_id
_atom_site.auth_seq_id
_atom_site.group_PDB
_atom_site.label_atom_id
_atom_site.label_comp_id
_atom_site.label_seq_id
_atom_site.type_symbol
_atom_site_anisotrop.U[1][1]
_atom_site_anisotrop.U[1][2]
_atom_site_anisotrop.U[1][3]
_atom_site_anisotrop.U[2][2]
_atom_site_anisotrop.U[2][3]
_atom_site_anisotrop.U[3][3]
_atom_site_anisotrop.pdbx_auth_atom_id
_atom_site_anisotrop.pdbx_auth_comp_id
_atom_site_anisotrop.pdbx_auth_seq_id
_atom_site_anisotrop.pdbx_label_atom_id
_atom_site_anisotrop.pdbx_label_comp_id
_atom_site_anisotrop.pdbx_label_seq_id
_atom_site_anisotrop.type_symbol
_chem_comp.formula
_chem_comp.formula_weight
_chem_comp.id
_chem_comp.mon_nstd_flag
_chem_comp.name
_chem_comp.type
_entity.formula_weight
_entity.pdbx_description
_entity_name_com.name
_entity_poly.pdbx_seq_one_letter_code
_entity_poly.pdbx_seq_one_letter_code_can
_entity_src_nat.pdbx_beg_seq_num
_entity_src_nat.pdbx_end_seq_num
_pdbx_struct_sheet_hbond.range_2_label_seq_id
_struct_ref.pdbx_align_begin
_struct_ref_seq.db_align_beg
_struct_ref_seq.db_align_end
_struct_ref_seq.pdbx_auth_seq_align_beg
_struct_ref_seq.pdbx_auth_seq_align_end
_struct_ref_seq.seq_align_end
_struct_sheet_range.beg_label_seq_id
_struct_sheet_range.end_label_seq_id
AAPR-trypsin acyl-enzyme
leupeptin-trypsin covalent complex
4-guanidinobenzoic acid trypsin complex
N
RCSB
Y
RCSB
2005-07-26
REL
REL
1
X
O
HOH
639
5.85
SO4
SULFATE ION
CA
CALCIUM ION
HOH
water
32630
synthetic construct
sample
1
4
THE P-NITROANALINE GROUP IN THE ORIGINAL LIGAND WAS LOST AS IT MADE THE ACYL_ENZYME COMPLEX. THE COORDINATES OF THIS GROUP WERE NOT PRESENT IN THE DEPOSITED FILE AND WERE NOT BUILT IN THE INHIBITOR IN CHAIN A
2AGE
PDB entry 2AGE with ligand and solvent removed
PDB
experimental model
Inhibitor
SUCCINYL-ALA-ALA-PRO-LYS
Peptide-like
SO4
1
3
SO4
SO4
1
X
CA
501
4
CA
CA
501
X
HOH
1
5
HOH
HOH
502
X
HOH
2
5
HOH
HOH
503
X
HOH
3
5
HOH
HOH
504
X
HOH
4
5
HOH
HOH
505
X
HOH
5
5
HOH
HOH
506
X
HOH
6
5
HOH
HOH
507
X
HOH
7
5
HOH
HOH
508
X
HOH
8
5
HOH
HOH
509
X
HOH
9
5
HOH
HOH
510
X
HOH
10
5
HOH
HOH
511
X
HOH
11
5
HOH
HOH
512
X
HOH
12
5
HOH
HOH
513
X
HOH
13
5
HOH
HOH
514
X
HOH
14
5
HOH
HOH
515
X
HOH
15
5
HOH
HOH
516
X
HOH
16
5
HOH
HOH
517
X
HOH
17
5
HOH
HOH
518
X
HOH
18
5
HOH
HOH
519
X
HOH
19
5
HOH
HOH
520
X
HOH
20
5
HOH
HOH
521
X
HOH
21
5
HOH
HOH
522
X
HOH
22
5
HOH
HOH
523
X
HOH
23
5
HOH
HOH
524
X
HOH
24
5
HOH
HOH
525
X
HOH
25
5
HOH
HOH
526
X
HOH
26
5
HOH
HOH
527
X
HOH
27
5
HOH
HOH
528
X
HOH
28
5
HOH
HOH
529
X
HOH
29
5
HOH
HOH
530
X
HOH
30
5
HOH
HOH
531
X
HOH
31
5
HOH
HOH
532
X
HOH
32
5
HOH
HOH
533
X
HOH
33
5
HOH
HOH
534
X
HOH
34
5
HOH
HOH
535
X
HOH
35
5
HOH
HOH
536
X
HOH
36
5
HOH
HOH
537
X
HOH
37
5
HOH
HOH
538
X
HOH
38
5
HOH
HOH
539
X
HOH
39
5
HOH
HOH
540
X
HOH
40
5
HOH
HOH
541
X
HOH
41
5
HOH
HOH
542
X
HOH
42
5
HOH
HOH
543
X
HOH
43
5
HOH
HOH
544
X
HOH
44
5
HOH
HOH
545
X
HOH
45
5
HOH
HOH
546
X
HOH
46
5
HOH
HOH
547
X
HOH
47
5
HOH
HOH
548
X
HOH
48
5
HOH
HOH
549
X
HOH
49
5
HOH
HOH
550
X
HOH
51
5
HOH
HOH
551
X
HOH
52
5
HOH
HOH
552
X
HOH
53
5
HOH
HOH
553
X
HOH
54
5
HOH
HOH
554
X
HOH
55
5
HOH
HOH
555
X
HOH
56
5
HOH
HOH
556
X
HOH
57
5
HOH
HOH
557
X
HOH
58
5
HOH
HOH
558
X
HOH
59
5
HOH
HOH
559
X
HOH
60
5
HOH
HOH
560
X
HOH
61
5
HOH
HOH
561
X
HOH
62
5
HOH
HOH
562
X
HOH
63
5
HOH
HOH
563
X
HOH
64
5
HOH
HOH
564
X
HOH
65
5
HOH
HOH
565
X
HOH
66
5
HOH
HOH
566
X
HOH
67
5
HOH
HOH
567
X
HOH
68
5
HOH
HOH
568
X
HOH
69
5
HOH
HOH
569
X
HOH
70
5
HOH
HOH
570
X
HOH
71
5
HOH
HOH
571
X
HOH
72
5
HOH
HOH
572
X
HOH
73
5
HOH
HOH
573
X
HOH
74
5
HOH
HOH
574
X
HOH
75
5
HOH
HOH
575
X
HOH
76
5
HOH
HOH
576
X
HOH
77
5
HOH
HOH
577
X
HOH
78
5
HOH
HOH
578
X
HOH
79
5
HOH
HOH
579
X
HOH
80
5
HOH
HOH
580
X
HOH
81
5
HOH
HOH
581
X
HOH
82
5
HOH
HOH
582
X
HOH
83
5
HOH
HOH
583
X
HOH
84
5
HOH
HOH
584
X
HOH
85
5
HOH
HOH
585
X
HOH
86
5
HOH
HOH
586
X
HOH
87
5
HOH
HOH
587
X
HOH
88
5
HOH
HOH
588
X
HOH
89
5
HOH
HOH
589
X
HOH
90
5
HOH
HOH
590
X
HOH
91
5
HOH
HOH
591
X
HOH
92
5
HOH
HOH
592
X
HOH
93
5
HOH
HOH
593
X
HOH
94
5
HOH
HOH
594
X
HOH
95
5
HOH
HOH
595
X
HOH
96
5
HOH
HOH
596
X
HOH
97
5
HOH
HOH
597
X
HOH
98
5
HOH
HOH
598
X
HOH
99
5
HOH
HOH
599
X
HOH
100
5
HOH
HOH
600
X
HOH
101
5
HOH
HOH
601
X
HOH
102
5
HOH
HOH
602
X
HOH
103
5
HOH
HOH
603
X
HOH
104
5
HOH
HOH
604
X
HOH
105
5
HOH
HOH
605
X
HOH
106
5
HOH
HOH
606
X
HOH
107
5
HOH
HOH
607
X
HOH
108
5
HOH
HOH
608
X
HOH
109
5
HOH
HOH
609
X
HOH
110
5
HOH
HOH
610
X
HOH
111
5
HOH
HOH
611
X
HOH
112
5
HOH
HOH
612
X
HOH
113
5
HOH
HOH
613
X
HOH
114
5
HOH
HOH
614
X
HOH
115
5
HOH
HOH
615
X
HOH
116
5
HOH
HOH
616
X
HOH
117
5
HOH
HOH
617
X
HOH
118
5
HOH
HOH
618
X
HOH
119
5
HOH
HOH
619
X
HOH
120
5
HOH
HOH
620
X
HOH
121
5
HOH
HOH
621
X
HOH
122
5
HOH
HOH
622
X
HOH
123
5
HOH
HOH
623
X
HOH
124
5
HOH
HOH
624
X
HOH
125
5
HOH
HOH
625
X
HOH
126
5
HOH
HOH
626
X
HOH
127
5
HOH
HOH
627
X
HOH
128
5
HOH
HOH
628
X
HOH
129
5
HOH
HOH
629
X
HOH
130
5
HOH
HOH
630
X
HOH
131
5
HOH
HOH
631
X
HOH
132
5
HOH
HOH
632
X
HOH
133
5
HOH
HOH
633
X
HOH
134
5
HOH
HOH
634
X
HOH
135
5
HOH
HOH
635
X
HOH
136
5
HOH
HOH
636
X
HOH
137
5
HOH
HOH
637
X
HOH
138
5
HOH
HOH
638
X
HOH
139
5
HOH
HOH
639
X
HOH
140
5
HOH
HOH
640
X
HOH
141
5
HOH
HOH
641
X
HOH
142
5
HOH
HOH
642
X
HOH
143
5
HOH
HOH
643
X
HOH
144
5
HOH
HOH
644
X
HOH
145
5
HOH
HOH
645
X
HOH
146
5
HOH
HOH
646
X
HOH
147
5
HOH
HOH
647
X
HOH
148
5
HOH
HOH
648
X
HOH
149
5
HOH
HOH
649
X
HOH
150
5
HOH
HOH
650
X
HOH
151
5
HOH
HOH
651
X
HOH
152
5
HOH
HOH
652
X
HOH
153
5
HOH
HOH
653
X
HOH
154
5
HOH
HOH
654
X
HOH
155
5
HOH
HOH
655
X
HOH
156
5
HOH
HOH
656
X
HOH
157
5
HOH
HOH
657
X
HOH
158
5
HOH
HOH
658
X
HOH
159
5
HOH
HOH
659
X
HOH
160
5
HOH
HOH
660
X
HOH
161
5
HOH
HOH
661
X
HOH
162
5
HOH
HOH
662
X
HOH
163
5
HOH
HOH
663
X
HOH
164
5
HOH
HOH
664
X
HOH
165
5
HOH
HOH
665
X
HOH
166
5
HOH
HOH
666
X
HOH
167
5
HOH
HOH
667
X
HOH
168
5
HOH
HOH
668
X
HOH
169
5
HOH
HOH
669
X
HOH
170
5
HOH
HOH
670
X
HOH
171
5
HOH
HOH
671
X
HOH
172
5
HOH
HOH
672
X
HOH
173
5
HOH
HOH
673
X
HOH
174
5
HOH
HOH
674
X
HOH
175
5
HOH
HOH
675
X
HOH
176
5
HOH
HOH
676
X
HOH
177
5
HOH
HOH
677
X
HOH
178
5
HOH
HOH
678
X
HOH
179
5
HOH
HOH
679
X
HOH
180
5
HOH
HOH
680
X
HOH
181
5
HOH
HOH
681
X
HOH
182
5
HOH
HOH
682
X
HOH
183
5
HOH
HOH
683
X
HOH
184
5
HOH
HOH
684
X
HOH
185
5
HOH
HOH
685
X
HOH
186
5
HOH
HOH
686
X
HOH
187
5
HOH
HOH
687
X
HOH
188
5
HOH
HOH
688
X
HOH
189
5
HOH
HOH
689
X
HOH
190
5
HOH
HOH
690
X
HOH
191
5
HOH
HOH
691
X
HOH
192
5
HOH
HOH
692
X
HOH
193
5
HOH
HOH
693
X
HOH
194
5
HOH
HOH
694
X
HOH
195
5
HOH
HOH
695
X
HOH
196
5
HOH
HOH
696
X
HOH
197
5
HOH
HOH
697
X
HOH
198
5
HOH
HOH
698
X
HOH
199
5
HOH
HOH
699
X
HOH
200
5
HOH
HOH
700
X
HOH
201
5
HOH
HOH
701
X
HOH
202
5
HOH
HOH
702
X
HOH
203
5
HOH
HOH
703
X
HOH
204
5
HOH
HOH
704
X
HOH
205
5
HOH
HOH
705
X
HOH
206
5
HOH
HOH
706
X
HOH
207
5
HOH
HOH
707
X
HOH
208
5
HOH
HOH
708
X
HOH
209
5
HOH
HOH
709
X
HOH
210
5
HOH
HOH
710
X
HOH
211
5
HOH
HOH
711
X
HOH
212
5
HOH
HOH
712
X
HOH
213
5
HOH
HOH
713
X
HOH
214
5
HOH
HOH
714
X
HOH
215
5
HOH
HOH
715
X
HOH
216
5
HOH
HOH
716
X
HOH
217
5
HOH
HOH
717
X
HOH
218
5
HOH
HOH
718
X
HOH
219
5
HOH
HOH
719
X
HOH
220
5
HOH
HOH
720
X
HOH
221
5
HOH
HOH
721
X
HOH
222
5
HOH
HOH
722
X
HOH
223
5
HOH
HOH
723
X
HOH
224
5
HOH
HOH
724
X
HOH
225
5
HOH
HOH
725
X
HOH
226
5
HOH
HOH
726
X
HOH
227
5
HOH
HOH
727
X
HOH
228
5
HOH
HOH
728
X
HOH
229
5
HOH
HOH
729
X
HOH
230
5
HOH
HOH
730
X
HOH
231
5
HOH
HOH
731
X
HOH
232
5
HOH
HOH
732
X
HOH
233
5
HOH
HOH
733
X
HOH
234
5
HOH
HOH
734
X
HOH
235
5
HOH
HOH
735
X
HOH
236
5
HOH
HOH
736
X
HOH
237
5
HOH
HOH
737
X
HOH
238
5
HOH
HOH
738
X
HOH
239
5
HOH
HOH
739
X
HOH
240
5
HOH
HOH
740
X
HOH
241
5
HOH
HOH
741
X
HOH
242
5
HOH
HOH
742
X
HOH
243
5
HOH
HOH
743
X
HOH
244
5
HOH
HOH
744
X
HOH
245
5
HOH
HOH
745
X
HOH
246
5
HOH
HOH
746
X
HOH
247
5
HOH
HOH
747
X
HOH
248
5
HOH
HOH
748
X
HOH
249
5
HOH
HOH
749
X
HOH
250
5
HOH
HOH
750
X
HOH
251
5
HOH
HOH
751
X
HOH
252
5
HOH
HOH
752
X
HOH
253
5
HOH
HOH
753
X
HOH
254
5
HOH
HOH
754
X
HOH
255
5
HOH
HOH
755
X
HOH
256
5
HOH
HOH
756
X
HOH
257
5
HOH
HOH
757
X
HOH
258
5
HOH
HOH
758
X
HOH
259
5
HOH
HOH
759
X
HOH
260
5
HOH
HOH
760
X
HOH
261
5
HOH
HOH
761
X
HOH
262
5
HOH
HOH
762
X
HOH
263
5
HOH
HOH
763
X
HOH
264
5
HOH
HOH
764
X
HOH
265
5
HOH
HOH
765
X
HOH
267
5
HOH
HOH
766
X
HOH
268
5
HOH
HOH
767
X
HOH
269
5
HOH
HOH
768
X
HOH
270
5
HOH
HOH
769
X
HOH
272
5
HOH
HOH
770
X
HOH
273
5
HOH
HOH
771
X
HOH
274
5
HOH
HOH
772
X
HOH
275
5
HOH
HOH
773
X
HOH
276
5
HOH
HOH
774
X
HOH
278
5
HOH
HOH
775
X
HOH
279
5
HOH
HOH
776
X
HOH
280
5
HOH
HOH
777
X
HOH
281
5
HOH
HOH
778
X
HOH
282
5
HOH
HOH
779
X
HOH
283
5
HOH
HOH
780
X
HOH
284
5
HOH
HOH
781
X
HOH
285
5
HOH
HOH
782
X
HOH
286
5
HOH
HOH
783
X
HOH
288
5
HOH
HOH
784
X
HOH
289
5
HOH
HOH
785
X
HOH
290
5
HOH
HOH
786
X
HOH
291
5
HOH
HOH
787
X
HOH
293
5
HOH
HOH
788
X
HOH
294
5
HOH
HOH
789
X
HOH
296
5
HOH
HOH
790
X
HOH
297
5
HOH
HOH
791
X
HOH
298
5
HOH
HOH
792
X
HOH
299
5
HOH
HOH
793
X
HOH
300
5
HOH
HOH
794
X
HOH
301
5
HOH
HOH
795
X
HOH
302
5
HOH
HOH
796
X
HOH
303
5
HOH
HOH
797
X
HOH
304
5
HOH
HOH
798
X
HOH
305
5
HOH
HOH
799
X
HOH
306
5
HOH
HOH
800
X
HOH
307
5
HOH
HOH
801
X
HOH
308
5
HOH
HOH
802
X
HOH
309
5
HOH
HOH
803
X
HOH
310
5
HOH
HOH
804
X
HOH
311
5
HOH
HOH
805
X
HOH
312
5
HOH
HOH
806
X
HOH
313
5
HOH
HOH
807
X
HOH
314
5
HOH
HOH
808
X
HOH
315
5
HOH
HOH
809
X
HOH
317
5
HOH
HOH
810
X
HOH
318
5
HOH
HOH
811
X
HOH
319
5
HOH
HOH
812
X
HOH
320
5
HOH
HOH
813
X
HOH
321
5
HOH
HOH
814
X
HOH
322
5
HOH
HOH
815
X
HOH
323
5
HOH
HOH
816
X
HOH
324
5
HOH
HOH
817
X
HOH
325
5
HOH
HOH
818
X
HOH
326
5
HOH
HOH
819
X
HOH
327
5
HOH
HOH
820
X
HOH
328
5
HOH
HOH
821
X
HOH
329
5
HOH
HOH
822
X
HOH
330
5
HOH
HOH
823
X
HOH
331
5
HOH
HOH
824
X
HOH
332
5
HOH
HOH
825
X
HOH
333
5
HOH
HOH
826
X
HOH
334
5
HOH
HOH
827
X
HOH
335
5
HOH
HOH
828
X
HOH
336
5
HOH
HOH
829
X
HOH
337
5
HOH
HOH
830
X
HOH
338
5
HOH
HOH
831
X
HOH
339
5
HOH
HOH
832
X
HOH
340
5
HOH
HOH
833
X
HOH
341
5
HOH
HOH
834
X
HOH
343
5
HOH
HOH
835
X
HOH
344
5
HOH
HOH
836
X
HOH
345
5
HOH
HOH
837
X
HOH
346
5
HOH
HOH
838
X
HOH
347
5
HOH
HOH
839
X
HOH
348
5
HOH
HOH
840
X
HOH
349
5
HOH
HOH
841
X
HOH
350
5
HOH
HOH
842
X
HOH
351
5
HOH
HOH
843
X
HOH
352
5
HOH
HOH
844
X
HOH
353
5
HOH
HOH
845
X
HOH
354
5
HOH
HOH
846
X
HOH
356
5
HOH
HOH
847
X
HOH
357
5
HOH
HOH
848
X
HOH
50
5
HOH
HOH
50
A
HOH
266
5
HOH
HOH
266
A
HOH
271
5
HOH
HOH
271
A
HOH
277
5
HOH
HOH
277
A
HOH
287
5
HOH
HOH
287
A
HOH
292
5
HOH
HOH
292
A
HOH
295
5
HOH
HOH
295
A
HOH
316
5
HOH
HOH
316
A
HOH
342
5
HOH
HOH
342
A
HOH
355
5
HOH
HOH
355
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
ALA
2
n
1
X5P
2
A
ALA
3
n
2
ALA
3
A
PRO
4
n
3
PRO
4
A
LYJ
5
n
4
LYJ
5
A
author_defined_assembly
2
dimeric
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
X
ASN
72
A
O
ASN
54
1_555
89.2
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
X
VAL
75
A
O
VAL
57
1_555
164.4
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
D
CA
CA
1_555
X
VAL
75
A
O
VAL
57
1_555
83.8
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
99.2
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
D
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
159.7
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
D
CA
CA
1_555
X
GLU
80
A
OE2
GLU
62
1_555
92.0
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
515
E
O
HOH
1_555
83.8
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
515
E
O
HOH
1_555
85.4
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
515
E
O
HOH
1_555
109.3
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
515
E
O
HOH
1_555
77.3
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
79.4
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
106.7
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
89.3
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
93.0
X
HOH
515
E
O
HOH
1_555
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
159.0
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
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
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
GLY
216
A
N
GLY
194
A
O
ALA
3
B
O
ALA
2
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
ILE
83
A
O
ILE
65
X
N
VAL
65
A
N
VAL
48
X
O
ARG
66
A
O
ARG
49
X
N
SER
32
A
N
SER
17
1
X
CE
LYS
145
A
CE
LYS
125
1
Y
1
X
NZ
LYS
145
A
NZ
LYS
125
1
Y
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
CE
LYS
239
A
CE
LYS
217
1
Y
1
X
NZ
LYS
239
A
NZ
LYS
217
1
Y
1
A
C1
X5P
2
B
C1
X5P
1
1
Y
1
A
O1
X5P
2
B
O1
X5P
1
1
Y
1
A
C2
X5P
2
B
C2
X5P
1
1
Y
1
A
C3
X5P
2
B
C3
X5P
1
1
Y
1
X
X
O
O
TYR
HOH
184
616
2.04
1
X
X
CD2
O
HIS
HOH
57
746
2.09
A
1
X
X
O
O
HOH
HOH
770
845
2.10
1
X
X
NE2
O
HIS
HOH
57
746
2.13
A
1
X
X
O
O
HOH
HOH
676
831
2.17
1
X
X
O
O
HOH
HOH
643
688
2.17
1
6.12
0.90
118.30
124.42
X
X
X
CB
CG
OD2
ASP
ASP
ASP
165
165
165
N
1
6.51
0.90
118.30
124.81
X
X
X
CB
CG
OD2
ASP
ASP
ASP
189
189
189
N
1
X
X
O
O
HOH
HOH
599
705
2.07
1_555
3_645
1
X
ASP
71
-124.57
-74.37
1
X
ASN
79
77.54
-4.17
1
X
SER
214
-122.40
-68.50
8.963
0.830
0.000
0.000
-0.740
0.000
-0.080
0.975
0.964
HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
0.158
0.124
0.125
0.125
1.280
46.630
3027
59869
59869
5.100
96.27
1.217
0.023
inherited from PDB entry 2AGE
1
anisotropic
THROUGHOUT
0.00
MOLECULAR REPLACEMENT
0.039
0.041
0.800
0.800
1.200
PDB entry 2AGE with ligand and solvent removed
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
1.280
46.630
357
2011
6
0
1648
0.018
0.021
1725
0.006
0.020
1503
1.742
1.950
2334
0.933
3.000
3540
6.679
5.000
220
39.459
25.763
59
10.630
15.000
282
20.840
15.000
2
0.125
0.200
272
0.009
0.020
1872
0.002
0.020
302
0.386
0.200
375
0.264
0.200
1797
0.094
0.200
1079
0.220
0.200
230
0.143
0.200
6
0.032
0.200
1
0.325
0.200
20
0.283
0.200
23
3.455
2.000
1160
2.264
2.000
474
4.354
3.000
1815
5.464
4.500
661
6.747
6.000
518
5.198
3.000
3541
16.795
5.000
358
7.134
5.000
3193
0.369
0.264
1.313
124
2211
2335
20
1.28
46.630
2AGG
59870
59870
-3
-3
0.075
0.075
1
9.3
3.100
96.27
0.475
1.28
1.35
1.7
5122
0.475
1
2.200
51.900
data reduction
MOSFLM
data scaling
SCALA
phasing
EPMR
refinement
REFMAC
5.2
data scaling
CCP4
(SCALA)
succinyl-AAPK-trypsin acyl-enzyme at 1.28 A resolution
1
N
N
2
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
2.042
X
CYS
22
A
SG
CYS
7
1_555
X
CYS
157
A
SG
CYS
137
1_555
disulf
2.063
X
CYS
42
A
SG
CYS
25
1_555
X
CYS
58
A
SG
CYS
41
1_555
disulf
2.032
X
CYS
128
A
SG
CYS
109
1_555
X
CYS
232
A
SG
CYS
210
1_555
disulf
2.032
X
CYS
136
A
SG
CYS
116
1_555
X
CYS
201
A
SG
CYS
183
1_555
disulf
2.063
X
CYS
168
A
SG
CYS
148
1_555
X
CYS
182
A
SG
CYS
162
1_555
disulf
2.218
A
X
CYS
191
A
SG
CYS
173
1_555
X
CYS
220
A
SG
CYS
197
1_555
disulf
2.076
B
X
CYS
191
A
SG
CYS
173
1_555
X
CYS
220
A
SG
CYS
197
1_555
covale
1.390
one
A
X
SER
195
A
OG
SER
177
1_555
A
LYJ
5
B
C
LYJ
4
1_555
covale
1.318
both
A
X5P
2
B
C
X5P
1
1_555
A
ALA
3
B
N
ALA
2
1_555
covale
1.335
both
A
PRO
4
B
C
PRO
3
1_555
A
LYJ
5
B
N
LYJ
4
1_555
metalc
2.292
X
GLU
70
A
OE1
GLU
52
1_555
X
CA
501
D
CA
CA
1_555
metalc
2.276
X
ASN
72
A
O
ASN
54
1_555
X
CA
501
D
CA
CA
1_555
metalc
2.236
X
VAL
75
A
O
VAL
57
1_555
X
CA
501
D
CA
CA
1_555
metalc
2.276
X
GLU
80
A
OE2
GLU
62
1_555
X
CA
501
D
CA
CA
1_555
metalc
2.380
X
CA
501
D
CA
CA
1_555
X
HOH
515
E
O
HOH
1_555
metalc
2.249
X
CA
501
D
CA
CA
1_555
X
HOH
522
E
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
ACYL-ENZYME, SERINE PROTEASE, PROTEINASE, PEPTIDASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
TRY1_BOVIN
UNP
1
24
P00760
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
2AGG
PDB
2
1
2AGG
24
246
2AGG
16
245
P00760
X
1
1
223
2
5
2AGG
2
5
2AGG
A
2
1
4
7
6
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
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
GLY
216
A
GLY
194
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
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
GLY
216
A
GLY
194
A
ALA
3
B
ALA
2
A
PRO
4
B
PRO
3
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 1
X
SO4
1
Software
6
BINDING SITE FOR RESIDUE CA X 501
X
CA
501
Software
6
BINDING SITE FOR CHAIN A OF SUCCINYL-ALA-ALA-PRO-LYS
Software
22
X
PRO
152
A
PRO
132
6
1_555
X
ASP
153
A
ASP
133
6
1_555
X
VAL
154
A
VAL
134
6
1_555
X
LYS
156
A
LYS
136
6
1_555
X
HOH
721
E
HOH
6
1_555
X
HOH
771
E
HOH
6
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
515
E
HOH
6
1_555
X
HOH
522
E
HOH
6
1_555
A
HOH
50
F
HOH
22
1_555
A
HOH
266
F
HOH
22
1_555
A
HOH
287
F
HOH
22
1_555
A
HOH
292
F
HOH
22
1_555
A
HOH
316
F
HOH
22
1_555
X
HIS
57
A
HIS
40
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
SER
217
A
SER
195
22
1_555
X
GLY
219
A
GLY
196
22
1_555
X
GLY
226
A
GLY
204
22
1_555
X
HOH
526
E
HOH
22
1_555
X
HOH
528
E
HOH
22
1_555
X
HOH
547
E
HOH
22
1_555
19
orthorhombic
P 21 21 21