0.014453
0.000000
0.000000
0.000000
0.014453
0.000000
0.000000
0.000000
0.010478
0.00000
0.00000
0.00000
Neidhart, D.
Wei, Y.
Cassidy, C.
Lin, J.
Cleland, W.W.
Frey, P.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
69.190
69.190
95.440
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C12 H12 F3 N O2
259.224
1,1,1-TRIFLUORO-3-ACETAMIDO-4-PHENYL BUTAN-2-ONE(N-ACETYL-L-PHENYLALANYL TRIFLUOROMETHYL KETONE)
non-polymer
C12 H14 F3 N O3
277.240
N-(1-BENZYL-3,3,3-TRIFLUORO-2,2-DIHYDROXY-PROPYL)-ACETAMIDE
non-polymer
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
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C2 H6 O2
62.068
1,2-ETHANEDIOL
ETHYLENE GLYCOL
non-polymer
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
C
N
15
N
C
N
16
N
O
N
17
N
N
N
18
S
C
N
19
N
C
N
20
N
C
N
21
N
C
N
22
N
O
N
23
N
F
N
24
N
F
N
25
N
F
Y
26
N
C
Y
27
N
C
Y
28
N
C
Y
29
N
C
Y
30
N
C
Y
31
N
C
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
H
N
42
N
H
N
43
N
H
N
44
N
C
N
45
N
C
N
46
N
O
N
47
N
N
N
48
S
C
N
49
N
C
N
50
N
C
N
51
N
C
N
52
N
O
N
53
N
O
N
54
N
F
N
55
N
F
N
56
N
F
Y
57
N
C
Y
58
N
C
Y
59
N
C
Y
60
N
C
Y
61
N
C
Y
62
N
C
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
C
N
84
N
N
N
85
N
C
N
86
N
N
N
87
N
N
N
88
N
O
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
N
N
105
S
C
N
106
N
C
N
107
N
O
N
108
N
C
N
109
N
C
N
110
N
O
N
111
N
N
N
112
N
O
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
N
N
122
S
C
N
123
N
C
N
124
N
O
N
125
N
C
N
126
N
C
N
127
N
O
N
128
N
O
N
129
N
O
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
R
C
N
139
N
C
N
140
N
O
N
141
N
C
N
142
N
S
N
143
N
O
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
C
N
152
N
O
N
153
N
C
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
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
N
C
N
166
N
C
N
167
N
C
N
168
N
O
N
169
N
N
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
N
N
182
S
C
N
183
N
C
N
184
N
O
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
O
N
189
N
O
N
190
N
O
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
N
N
201
N
C
N
202
N
C
N
203
N
O
N
204
N
O
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
N
N
211
S
C
N
212
N
C
N
213
N
O
N
214
N
C
Y
215
N
C
Y
216
N
N
Y
217
N
C
Y
218
N
C
Y
219
N
N
N
220
N
O
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
O
N
232
N
H
N
233
N
H
N
234
N
N
N
235
S
C
N
236
N
C
N
237
N
O
N
238
S
C
N
239
N
C
N
240
N
C
N
241
N
C
N
242
N
O
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
C
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
H
N
277
N
H
N
278
N
N
N
279
S
C
N
280
N
C
N
281
N
O
N
282
N
C
N
283
N
C
N
284
N
C
N
285
N
C
N
286
N
N
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
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
N
N
304
S
C
N
305
N
C
N
306
N
O
N
307
N
C
N
308
N
C
N
309
N
S
N
310
N
C
N
311
N
O
N
312
N
H
N
313
N
H
N
314
N
H
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
H
N
323
N
N
N
324
S
C
N
325
N
C
N
326
N
O
N
327
N
C
Y
328
N
C
Y
329
N
C
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
N
334
N
O
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
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
N
N
347
S
C
N
348
N
C
N
349
N
O
N
350
N
C
N
351
N
C
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
N
368
N
O
N
369
N
O
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
S
N
378
N
O
N
379
N
O
N
380
N
O
N
381
N
O
N
382
N
N
N
383
S
C
N
384
N
C
N
385
N
O
N
386
R
C
N
387
N
O
N
388
N
C
N
389
N
O
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
N
N
400
S
C
N
401
N
C
N
402
N
O
N
403
N
C
Y
404
N
C
Y
405
N
C
Y
406
N
C
Y
407
N
N
Y
408
N
C
Y
409
N
C
Y
410
N
C
Y
411
N
C
Y
412
N
C
N
413
N
O
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
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
N
N
427
S
C
N
428
N
C
N
429
N
O
N
430
N
C
Y
431
N
C
Y
432
N
C
Y
433
N
C
Y
434
N
C
Y
435
N
C
Y
436
N
C
N
437
N
O
N
438
N
O
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
446
N
H
N
447
N
H
N
448
N
H
N
449
N
H
N
450
N
N
N
451
S
C
N
452
N
C
N
453
N
O
N
454
N
C
N
455
N
C
N
456
N
C
N
457
N
O
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
N
H
N
468
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
doub
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
doub
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
Y
32
N
doub
Y
33
N
sing
Y
34
N
sing
N
35
N
sing
Y
36
N
doub
N
37
N
sing
Y
38
N
sing
N
39
N
sing
Y
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
doub
N
48
N
sing
N
49
N
sing
N
50
N
sing
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
sing
N
63
N
sing
N
64
N
sing
Y
65
N
doub
Y
66
N
sing
Y
67
N
sing
N
68
N
sing
Y
69
N
doub
N
70
N
sing
Y
71
N
sing
N
72
N
sing
Y
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
doub
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
doub
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
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
doub
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
sing
N
124
N
doub
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
doub
N
130
N
sing
N
131
N
sing
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
doub
N
140
N
sing
N
141
N
sing
N
142
N
sing
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
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
sing
N
159
N
sing
N
160
N
sing
N
161
N
doub
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
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
doub
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
doub
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
doub
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
doub
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
Y
212
N
sing
Y
213
N
doub
Y
214
N
doub
N
215
N
sing
Y
216
N
sing
N
217
N
sing
Y
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
doub
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
sing
N
249
N
sing
N
250
N
sing
N
251
N
doub
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
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
doub
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
doub
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
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
doub
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
Y
320
N
doub
Y
321
N
sing
Y
322
N
sing
N
323
N
sing
Y
324
N
doub
N
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
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
doub
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
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
doub
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
doub
N
363
N
doub
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
doub
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
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
doub
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
Y
393
N
doub
Y
394
N
sing
Y
395
N
sing
N
396
N
sing
Y
397
N
doub
Y
398
N
sing
Y
399
N
sing
N
400
N
sing
Y
401
N
sing
Y
402
N
doub
N
403
N
sing
Y
404
N
doub
N
405
N
sing
Y
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
N
414
N
sing
N
415
N
sing
N
416
N
doub
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
Y
421
N
doub
Y
422
N
sing
Y
423
N
sing
N
424
N
sing
Y
425
N
doub
N
426
N
sing
Y
427
N
doub
N
428
N
sing
Y
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
doub
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
sing
N
445
N
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
40
2439
2447
10.1021/bi002535a
11327865
Correlation of low-barrier hydrogen bonding and oxyanion binding in transition state analogue complexes of chymotrypsin.
2001
10.2210/pdb1gg6/pdb
pdb_00001gg6
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
113.0
1
AREA DETECTOR
1998-11-29
SIEMENS
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
996.223
GAMMA CHYMOTRYPSIN
3.4.21.1
1
nat
polymer
13934.556
GAMMA CHYMOTRYPSIN
3.4.21.1
1
nat
polymer
10074.495
GAMMA CHYMOTRYPSIN
3.4.21.1
1
nat
polymer
96.063
SULFATE ION
3
syn
non-polymer
277.240
N-(1-BENZYL-3,3,3-TRIFLUORO-2,2-DIHYDROXY-PROPYL)-ACETAMIDE
1
syn
non-polymer
62.068
1,2-ETHANEDIOL
4
syn
non-polymer
259.224
1,1,1-TRIFLUORO-3-ACETAMIDO-4-PHENYL BUTAN-2-ONE(N-ACETYL-L-PHENYLALANYL TRIFLUOROMETHYL KETONE)
1
syn
non-polymer
18.015
water
333
nat
water
no
no
CGVPAIQPVL
CGVPAIQPVL
A
polypeptide(L)
no
no
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
B
polypeptide(L)
no
no
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
C
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
cattle
Bos
sample
9913
PANCREAS
Bos taurus
cattle
Bos
sample
9913
PANCREAS
Bos taurus
cattle
Bos
sample
9913
PANCREAS
Bos taurus
1
2.28
46.15
VAPOR DIFFUSION
7.0
ammonium sulfate, potassium phosphate, pH 7.0, vapor diffusion, temperature 298.0K
298.0
software
chem_comp_atom
chem_comp_bond
database_2
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Structure summary
Refinement description
Data collection
Database references
Derived calculations
1
0
2000-09-20
1
1
2008-04-26
1
2
2011-07-13
1
3
2017-02-01
1
4
2017-10-04
1
5
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
2GCH describes gamma chymotrypsin without bound inhibitor
6GCH describes the same complex as this entry determined at lower resolution
7GCH describes a complex of the same protein with a related inhibitor
RCSB
Y
RCSB
2000-07-31
REL
SO4
SULFATE ION
APL
N-(1-BENZYL-3,3,3-TRIFLUORO-2,2-DIHYDROXY-PROPYL)-ACETAMIDE
EDO
1,2-ETHANEDIOL
APF
1,1,1-TRIFLUORO-3-ACETAMIDO-4-PHENYL BUTAN-2-ONE(N-ACETYL-L-PHENYLALANYL TRIFLUOROMETHYL KETONE)
HOH
water
SO4
305
4
SO4
SO4
305
B
APL
302
5
APL
APL
302
B
EDO
311
6
EDO
EDO
311
B
EDO
313
6
EDO
EDO
313
B
SO4
306
4
SO4
SO4
306
C
SO4
307
4
SO4
SO4
307
C
APF
301
7
APF
APF
301
C
EDO
310
6
EDO
EDO
310
C
EDO
312
6
EDO
EDO
312
C
HOH
471
8
HOH
HOH
471
A
HOH
482
8
HOH
HOH
482
A
HOH
491
8
HOH
HOH
491
A
HOH
527
8
HOH
HOH
527
A
HOH
532
8
HOH
HOH
532
A
HOH
545
8
HOH
HOH
545
A
HOH
557
8
HOH
HOH
557
A
HOH
566
8
HOH
HOH
566
A
HOH
569
8
HOH
HOH
569
A
HOH
573
8
HOH
HOH
573
A
HOH
583
8
HOH
HOH
583
A
HOH
585
8
HOH
HOH
585
A
HOH
596
8
HOH
HOH
596
A
HOH
599
8
HOH
HOH
599
A
HOH
600
8
HOH
HOH
600
A
HOH
605
8
HOH
HOH
605
A
HOH
644
8
HOH
HOH
644
A
HOH
665
8
HOH
HOH
665
A
HOH
710
8
HOH
HOH
710
A
HOH
714
8
HOH
HOH
714
A
HOH
735
8
HOH
HOH
735
A
HOH
401
8
HOH
HOH
401
B
HOH
402
8
HOH
HOH
402
B
HOH
408
8
HOH
HOH
408
B
HOH
409
8
HOH
HOH
409
B
HOH
410
8
HOH
HOH
410
B
HOH
413
8
HOH
HOH
413
B
HOH
414
8
HOH
HOH
414
B
HOH
416
8
HOH
HOH
416
B
HOH
418
8
HOH
HOH
418
B
HOH
419
8
HOH
HOH
419
B
HOH
420
8
HOH
HOH
420
B
HOH
422
8
HOH
HOH
422
B
HOH
423
8
HOH
HOH
423
B
HOH
428
8
HOH
HOH
428
B
HOH
431
8
HOH
HOH
431
B
HOH
432
8
HOH
HOH
432
B
HOH
433
8
HOH
HOH
433
B
HOH
436
8
HOH
HOH
436
B
HOH
437
8
HOH
HOH
437
B
HOH
438
8
HOH
HOH
438
B
HOH
439
8
HOH
HOH
439
B
HOH
440
8
HOH
HOH
440
B
HOH
441
8
HOH
HOH
441
B
HOH
442
8
HOH
HOH
442
B
HOH
444
8
HOH
HOH
444
B
HOH
445
8
HOH
HOH
445
B
HOH
446
8
HOH
HOH
446
B
HOH
447
8
HOH
HOH
447
B
HOH
448
8
HOH
HOH
448
B
HOH
449
8
HOH
HOH
449
B
HOH
450
8
HOH
HOH
450
B
HOH
451
8
HOH
HOH
451
B
HOH
452
8
HOH
HOH
452
B
HOH
453
8
HOH
HOH
453
B
HOH
454
8
HOH
HOH
454
B
HOH
455
8
HOH
HOH
455
B
HOH
457
8
HOH
HOH
457
B
HOH
458
8
HOH
HOH
458
B
HOH
459
8
HOH
HOH
459
B
HOH
460
8
HOH
HOH
460
B
HOH
461
8
HOH
HOH
461
B
HOH
462
8
HOH
HOH
462
B
HOH
463
8
HOH
HOH
463
B
HOH
464
8
HOH
HOH
464
B
HOH
465
8
HOH
HOH
465
B
HOH
466
8
HOH
HOH
466
B
HOH
467
8
HOH
HOH
467
B
HOH
468
8
HOH
HOH
468
B
HOH
469
8
HOH
HOH
469
B
HOH
470
8
HOH
HOH
470
B
HOH
473
8
HOH
HOH
473
B
HOH
474
8
HOH
HOH
474
B
HOH
476
8
HOH
HOH
476
B
HOH
478
8
HOH
HOH
478
B
HOH
479
8
HOH
HOH
479
B
HOH
480
8
HOH
HOH
480
B
HOH
481
8
HOH
HOH
481
B
HOH
484
8
HOH
HOH
484
B
HOH
485
8
HOH
HOH
485
B
HOH
486
8
HOH
HOH
486
B
HOH
487
8
HOH
HOH
487
B
HOH
488
8
HOH
HOH
488
B
HOH
490
8
HOH
HOH
490
B
HOH
492
8
HOH
HOH
492
B
HOH
493
8
HOH
HOH
493
B
HOH
494
8
HOH
HOH
494
B
HOH
495
8
HOH
HOH
495
B
HOH
496
8
HOH
HOH
496
B
HOH
500
8
HOH
HOH
500
B
HOH
501
8
HOH
HOH
501
B
HOH
502
8
HOH
HOH
502
B
HOH
505
8
HOH
HOH
505
B
HOH
506
8
HOH
HOH
506
B
HOH
507
8
HOH
HOH
507
B
HOH
508
8
HOH
HOH
508
B
HOH
509
8
HOH
HOH
509
B
HOH
511
8
HOH
HOH
511
B
HOH
512
8
HOH
HOH
512
B
HOH
520
8
HOH
HOH
520
B
HOH
521
8
HOH
HOH
521
B
HOH
522
8
HOH
HOH
522
B
HOH
524
8
HOH
HOH
524
B
HOH
529
8
HOH
HOH
529
B
HOH
531
8
HOH
HOH
531
B
HOH
533
8
HOH
HOH
533
B
HOH
535
8
HOH
HOH
535
B
HOH
536
8
HOH
HOH
536
B
HOH
538
8
HOH
HOH
538
B
HOH
539
8
HOH
HOH
539
B
HOH
542
8
HOH
HOH
542
B
HOH
543
8
HOH
HOH
543
B
HOH
546
8
HOH
HOH
546
B
HOH
547
8
HOH
HOH
547
B
HOH
548
8
HOH
HOH
548
B
HOH
550
8
HOH
HOH
550
B
HOH
555
8
HOH
HOH
555
B
HOH
556
8
HOH
HOH
556
B
HOH
561
8
HOH
HOH
561
B
HOH
562
8
HOH
HOH
562
B
HOH
564
8
HOH
HOH
564
B
HOH
568
8
HOH
HOH
568
B
HOH
574
8
HOH
HOH
574
B
HOH
575
8
HOH
HOH
575
B
HOH
576
8
HOH
HOH
576
B
HOH
577
8
HOH
HOH
577
B
HOH
578
8
HOH
HOH
578
B
HOH
580
8
HOH
HOH
580
B
HOH
581
8
HOH
HOH
581
B
HOH
582
8
HOH
HOH
582
B
HOH
584
8
HOH
HOH
584
B
HOH
588
8
HOH
HOH
588
B
HOH
589
8
HOH
HOH
589
B
HOH
590
8
HOH
HOH
590
B
HOH
591
8
HOH
HOH
591
B
HOH
593
8
HOH
HOH
593
B
HOH
595
8
HOH
HOH
595
B
HOH
598
8
HOH
HOH
598
B
HOH
601
8
HOH
HOH
601
B
HOH
603
8
HOH
HOH
603
B
HOH
604
8
HOH
HOH
604
B
HOH
606
8
HOH
HOH
606
B
HOH
610
8
HOH
HOH
610
B
HOH
612
8
HOH
HOH
612
B
HOH
615
8
HOH
HOH
615
B
HOH
616
8
HOH
HOH
616
B
HOH
617
8
HOH
HOH
617
B
HOH
620
8
HOH
HOH
620
B
HOH
622
8
HOH
HOH
622
B
HOH
623
8
HOH
HOH
623
B
HOH
625
8
HOH
HOH
625
B
HOH
626
8
HOH
HOH
626
B
HOH
627
8
HOH
HOH
627
B
HOH
628
8
HOH
HOH
628
B
HOH
629
8
HOH
HOH
629
B
HOH
630
8
HOH
HOH
630
B
HOH
631
8
HOH
HOH
631
B
HOH
632
8
HOH
HOH
632
B
HOH
634
8
HOH
HOH
634
B
HOH
635
8
HOH
HOH
635
B
HOH
637
8
HOH
HOH
637
B
HOH
639
8
HOH
HOH
639
B
HOH
640
8
HOH
HOH
640
B
HOH
641
8
HOH
HOH
641
B
HOH
642
8
HOH
HOH
642
B
HOH
643
8
HOH
HOH
643
B
HOH
645
8
HOH
HOH
645
B
HOH
647
8
HOH
HOH
647
B
HOH
650
8
HOH
HOH
650
B
HOH
652
8
HOH
HOH
652
B
HOH
653
8
HOH
HOH
653
B
HOH
654
8
HOH
HOH
654
B
HOH
658
8
HOH
HOH
658
B
HOH
660
8
HOH
HOH
660
B
HOH
661
8
HOH
HOH
661
B
HOH
662
8
HOH
HOH
662
B
HOH
663
8
HOH
HOH
663
B
HOH
667
8
HOH
HOH
667
B
HOH
668
8
HOH
HOH
668
B
HOH
669
8
HOH
HOH
669
B
HOH
672
8
HOH
HOH
672
B
HOH
673
8
HOH
HOH
673
B
HOH
676
8
HOH
HOH
676
B
HOH
677
8
HOH
HOH
677
B
HOH
678
8
HOH
HOH
678
B
HOH
679
8
HOH
HOH
679
B
HOH
683
8
HOH
HOH
683
B
HOH
684
8
HOH
HOH
684
B
HOH
685
8
HOH
HOH
685
B
HOH
686
8
HOH
HOH
686
B
HOH
688
8
HOH
HOH
688
B
HOH
689
8
HOH
HOH
689
B
HOH
690
8
HOH
HOH
690
B
HOH
691
8
HOH
HOH
691
B
HOH
692
8
HOH
HOH
692
B
HOH
693
8
HOH
HOH
693
B
HOH
695
8
HOH
HOH
695
B
HOH
698
8
HOH
HOH
698
B
HOH
699
8
HOH
HOH
699
B
HOH
703
8
HOH
HOH
703
B
HOH
707
8
HOH
HOH
707
B
HOH
709
8
HOH
HOH
709
B
HOH
713
8
HOH
HOH
713
B
HOH
716
8
HOH
HOH
716
B
HOH
717
8
HOH
HOH
717
B
HOH
718
8
HOH
HOH
718
B
HOH
720
8
HOH
HOH
720
B
HOH
722
8
HOH
HOH
722
B
HOH
725
8
HOH
HOH
725
B
HOH
726
8
HOH
HOH
726
B
HOH
727
8
HOH
HOH
727
B
HOH
731
8
HOH
HOH
731
B
HOH
732
8
HOH
HOH
732
B
HOH
403
8
HOH
HOH
403
C
HOH
404
8
HOH
HOH
404
C
HOH
405
8
HOH
HOH
405
C
HOH
406
8
HOH
HOH
406
C
HOH
407
8
HOH
HOH
407
C
HOH
411
8
HOH
HOH
411
C
HOH
412
8
HOH
HOH
412
C
HOH
415
8
HOH
HOH
415
C
HOH
417
8
HOH
HOH
417
C
HOH
421
8
HOH
HOH
421
C
HOH
424
8
HOH
HOH
424
C
HOH
425
8
HOH
HOH
425
C
HOH
426
8
HOH
HOH
426
C
HOH
427
8
HOH
HOH
427
C
HOH
429
8
HOH
HOH
429
C
HOH
430
8
HOH
HOH
430
C
HOH
434
8
HOH
HOH
434
C
HOH
435
8
HOH
HOH
435
C
HOH
443
8
HOH
HOH
443
C
HOH
456
8
HOH
HOH
456
C
HOH
472
8
HOH
HOH
472
C
HOH
475
8
HOH
HOH
475
C
HOH
477
8
HOH
HOH
477
C
HOH
483
8
HOH
HOH
483
C
HOH
489
8
HOH
HOH
489
C
HOH
497
8
HOH
HOH
497
C
HOH
498
8
HOH
HOH
498
C
HOH
499
8
HOH
HOH
499
C
HOH
503
8
HOH
HOH
503
C
HOH
504
8
HOH
HOH
504
C
HOH
510
8
HOH
HOH
510
C
HOH
513
8
HOH
HOH
513
C
HOH
514
8
HOH
HOH
514
C
HOH
515
8
HOH
HOH
515
C
HOH
516
8
HOH
HOH
516
C
HOH
517
8
HOH
HOH
517
C
HOH
518
8
HOH
HOH
518
C
HOH
519
8
HOH
HOH
519
C
HOH
523
8
HOH
HOH
523
C
HOH
525
8
HOH
HOH
525
C
HOH
526
8
HOH
HOH
526
C
HOH
528
8
HOH
HOH
528
C
HOH
530
8
HOH
HOH
530
C
HOH
534
8
HOH
HOH
534
C
HOH
537
8
HOH
HOH
537
C
HOH
540
8
HOH
HOH
540
C
HOH
544
8
HOH
HOH
544
C
HOH
549
8
HOH
HOH
549
C
HOH
551
8
HOH
HOH
551
C
HOH
552
8
HOH
HOH
552
C
HOH
553
8
HOH
HOH
553
C
HOH
554
8
HOH
HOH
554
C
HOH
558
8
HOH
HOH
558
C
HOH
559
8
HOH
HOH
559
C
HOH
560
8
HOH
HOH
560
C
HOH
563
8
HOH
HOH
563
C
HOH
565
8
HOH
HOH
565
C
HOH
567
8
HOH
HOH
567
C
HOH
570
8
HOH
HOH
570
C
HOH
571
8
HOH
HOH
571
C
HOH
572
8
HOH
HOH
572
C
HOH
579
8
HOH
HOH
579
C
HOH
586
8
HOH
HOH
586
C
HOH
587
8
HOH
HOH
587
C
HOH
592
8
HOH
HOH
592
C
HOH
594
8
HOH
HOH
594
C
HOH
602
8
HOH
HOH
602
C
HOH
607
8
HOH
HOH
607
C
HOH
608
8
HOH
HOH
608
C
HOH
609
8
HOH
HOH
609
C
HOH
611
8
HOH
HOH
611
C
HOH
613
8
HOH
HOH
613
C
HOH
614
8
HOH
HOH
614
C
HOH
618
8
HOH
HOH
618
C
HOH
619
8
HOH
HOH
619
C
HOH
621
8
HOH
HOH
621
C
HOH
624
8
HOH
HOH
624
C
HOH
633
8
HOH
HOH
633
C
HOH
636
8
HOH
HOH
636
C
HOH
638
8
HOH
HOH
638
C
HOH
646
8
HOH
HOH
646
C
HOH
648
8
HOH
HOH
648
C
HOH
649
8
HOH
HOH
649
C
HOH
651
8
HOH
HOH
651
C
HOH
655
8
HOH
HOH
655
C
HOH
656
8
HOH
HOH
656
C
HOH
657
8
HOH
HOH
657
C
HOH
659
8
HOH
HOH
659
C
HOH
664
8
HOH
HOH
664
C
HOH
666
8
HOH
HOH
666
C
HOH
670
8
HOH
HOH
670
C
HOH
671
8
HOH
HOH
671
C
HOH
674
8
HOH
HOH
674
C
HOH
675
8
HOH
HOH
675
C
HOH
680
8
HOH
HOH
680
C
HOH
681
8
HOH
HOH
681
C
HOH
682
8
HOH
HOH
682
C
HOH
687
8
HOH
HOH
687
C
HOH
694
8
HOH
HOH
694
C
HOH
696
8
HOH
HOH
696
C
HOH
697
8
HOH
HOH
697
C
HOH
700
8
HOH
HOH
700
C
HOH
701
8
HOH
HOH
701
C
HOH
702
8
HOH
HOH
702
C
HOH
704
8
HOH
HOH
704
C
HOH
705
8
HOH
HOH
705
C
HOH
706
8
HOH
HOH
706
C
HOH
708
8
HOH
HOH
708
C
HOH
711
8
HOH
HOH
711
C
HOH
712
8
HOH
HOH
712
C
HOH
715
8
HOH
HOH
715
C
HOH
719
8
HOH
HOH
719
C
HOH
721
8
HOH
HOH
721
C
HOH
723
8
HOH
HOH
723
C
HOH
724
8
HOH
HOH
724
C
HOH
728
8
HOH
HOH
728
C
HOH
729
8
HOH
HOH
729
C
HOH
730
8
HOH
HOH
730
C
HOH
733
8
HOH
HOH
733
C
HOH
734
8
HOH
HOH
734
C
CYS
1
n
1
CYS
1
A
GLY
2
n
2
GLY
2
A
VAL
3
n
3
VAL
3
A
PRO
4
n
4
PRO
4
A
ALA
5
n
5
ALA
5
A
ILE
6
n
6
ILE
6
A
GLN
7
n
7
GLN
7
A
PRO
8
n
8
PRO
8
A
VAL
9
n
9
VAL
9
A
LEU
10
n
10
LEU
10
A
ILE
16
n
1
ILE
16
B
VAL
17
n
2
VAL
17
B
ASN
18
n
3
ASN
18
B
GLY
19
n
4
GLY
19
B
GLU
20
n
5
GLU
20
B
GLU
21
n
6
GLU
21
B
ALA
22
n
7
ALA
22
B
VAL
23
n
8
VAL
23
B
PRO
24
n
9
PRO
24
B
GLY
25
n
10
GLY
25
B
SER
26
n
11
SER
26
B
TRP
27
n
12
TRP
27
B
PRO
28
n
13
PRO
28
B
TRP
29
n
14
TRP
29
B
GLN
30
n
15
GLN
30
B
VAL
31
n
16
VAL
31
B
SER
32
n
17
SER
32
B
LEU
33
n
18
LEU
33
B
GLN
34
n
19
GLN
34
B
ASP
35
n
20
ASP
35
B
LYS
36
n
21
LYS
36
B
THR
37
n
22
THR
37
B
GLY
38
n
23
GLY
38
B
PHE
39
n
24
PHE
39
B
HIS
40
n
25
HIS
40
B
PHE
41
n
26
PHE
41
B
CYS
42
n
27
CYS
42
B
GLY
43
n
28
GLY
43
B
GLY
44
n
29
GLY
44
B
SER
45
n
30
SER
45
B
LEU
46
n
31
LEU
46
B
ILE
47
n
32
ILE
47
B
ASN
48
n
33
ASN
48
B
GLU
49
n
34
GLU
49
B
ASN
50
n
35
ASN
50
B
TRP
51
n
36
TRP
51
B
VAL
52
n
37
VAL
52
B
VAL
53
n
38
VAL
53
B
THR
54
n
39
THR
54
B
ALA
55
n
40
ALA
55
B
ALA
56
n
41
ALA
56
B
HIS
57
n
42
HIS
57
B
CYS
58
n
43
CYS
58
B
GLY
59
n
44
GLY
59
B
VAL
60
n
45
VAL
60
B
THR
61
n
46
THR
61
B
THR
62
n
47
THR
62
B
SER
63
n
48
SER
63
B
ASP
64
n
49
ASP
64
B
VAL
65
n
50
VAL
65
B
VAL
66
n
51
VAL
66
B
VAL
67
n
52
VAL
67
B
ALA
68
n
53
ALA
68
B
GLY
69
n
54
GLY
69
B
GLU
70
n
55
GLU
70
B
PHE
71
n
56
PHE
71
B
ASP
72
n
57
ASP
72
B
GLN
73
n
58
GLN
73
B
GLY
74
n
59
GLY
74
B
SER
75
n
60
SER
75
B
SER
76
n
61
SER
76
B
SER
77
n
62
SER
77
B
GLU
78
n
63
GLU
78
B
LYS
79
n
64
LYS
79
B
ILE
80
n
65
ILE
80
B
GLN
81
n
66
GLN
81
B
LYS
82
n
67
LYS
82
B
LEU
83
n
68
LEU
83
B
LYS
84
n
69
LYS
84
B
ILE
85
n
70
ILE
85
B
ALA
86
n
71
ALA
86
B
LYS
87
n
72
LYS
87
B
VAL
88
n
73
VAL
88
B
PHE
89
n
74
PHE
89
B
LYS
90
n
75
LYS
90
B
ASN
91
n
76
ASN
91
B
SER
92
n
77
SER
92
B
LYS
93
n
78
LYS
93
B
TYR
94
n
79
TYR
94
B
ASN
95
n
80
ASN
95
B
SER
96
n
81
SER
96
B
LEU
97
n
82
LEU
97
B
THR
98
n
83
THR
98
B
ILE
99
n
84
ILE
99
B
ASN
100
n
85
ASN
100
B
ASN
101
n
86
ASN
101
B
ASP
102
n
87
ASP
102
B
ILE
103
n
88
ILE
103
B
THR
104
n
89
THR
104
B
LEU
105
n
90
LEU
105
B
LEU
106
n
91
LEU
106
B
LYS
107
n
92
LYS
107
B
LEU
108
n
93
LEU
108
B
SER
109
n
94
SER
109
B
THR
110
n
95
THR
110
B
ALA
111
n
96
ALA
111
B
ALA
112
n
97
ALA
112
B
SER
113
n
98
SER
113
B
PHE
114
n
99
PHE
114
B
SER
115
n
100
SER
115
B
GLN
116
n
101
GLN
116
B
THR
117
n
102
THR
117
B
VAL
118
n
103
VAL
118
B
SER
119
n
104
SER
119
B
ALA
120
n
105
ALA
120
B
VAL
121
n
106
VAL
121
B
CYS
122
n
107
CYS
122
B
LEU
123
n
108
LEU
123
B
PRO
124
n
109
PRO
124
B
SER
125
n
110
SER
125
B
ALA
126
n
111
ALA
126
B
SER
127
n
112
SER
127
B
ASP
128
n
113
ASP
128
B
ASP
129
n
114
ASP
129
B
PHE
130
n
115
PHE
130
B
ALA
131
n
116
ALA
131
B
ALA
132
n
117
ALA
132
B
GLY
133
n
118
GLY
133
B
THR
134
n
119
THR
134
B
THR
135
n
120
THR
135
B
CYS
136
n
121
CYS
136
B
VAL
137
n
122
VAL
137
B
THR
138
n
123
THR
138
B
THR
139
n
124
THR
139
B
GLY
140
n
125
GLY
140
B
TRP
141
n
126
TRP
141
B
GLY
142
n
127
GLY
142
B
LEU
143
n
128
LEU
143
B
THR
144
n
129
THR
144
B
ARG
145
n
130
ARG
145
B
TYR
146
n
131
TYR
146
B
ALA
149
n
1
ALA
149
C
ASN
150
n
2
ASN
150
C
THR
151
n
3
THR
151
C
PRO
152
n
4
PRO
152
C
ASP
153
n
5
ASP
153
C
ARG
154
n
6
ARG
154
C
LEU
155
n
7
LEU
155
C
GLN
156
n
8
GLN
156
C
GLN
157
n
9
GLN
157
C
ALA
158
n
10
ALA
158
C
SER
159
n
11
SER
159
C
LEU
160
n
12
LEU
160
C
PRO
161
n
13
PRO
161
C
LEU
162
n
14
LEU
162
C
LEU
163
n
15
LEU
163
C
SER
164
n
16
SER
164
C
ASN
165
n
17
ASN
165
C
THR
166
n
18
THR
166
C
ASN
167
n
19
ASN
167
C
CYS
168
n
20
CYS
168
C
LYS
169
n
21
LYS
169
C
LYS
170
n
22
LYS
170
C
TYR
171
n
23
TYR
171
C
TRP
172
n
24
TRP
172
C
GLY
173
n
25
GLY
173
C
THR
174
n
26
THR
174
C
LYS
175
n
27
LYS
175
C
ILE
176
n
28
ILE
176
C
LYS
177
n
29
LYS
177
C
ASP
178
n
30
ASP
178
C
ALA
179
n
31
ALA
179
C
MET
180
n
32
MET
180
C
ILE
181
n
33
ILE
181
C
CYS
182
n
34
CYS
182
C
ALA
183
n
35
ALA
183
C
GLY
184
n
36
GLY
184
C
ALA
185
n
37
ALA
185
C
SER
186
n
38
SER
186
C
GLY
187
n
39
GLY
187
C
VAL
188
n
40
VAL
188
C
SER
189
n
41
SER
189
C
SER
190
n
42
SER
190
C
CYS
191
n
43
CYS
191
C
MET
192
n
44
MET
192
C
GLY
193
n
45
GLY
193
C
ASP
194
n
46
ASP
194
C
SER
195
n
47
SER
195
C
GLY
196
n
48
GLY
196
C
GLY
197
n
49
GLY
197
C
PRO
198
n
50
PRO
198
C
LEU
199
n
51
LEU
199
C
VAL
200
n
52
VAL
200
C
CYS
201
n
53
CYS
201
C
LYS
202
n
54
LYS
202
C
LYS
203
n
55
LYS
203
C
ASN
204
n
56
ASN
204
C
GLY
205
n
57
GLY
205
C
ALA
206
n
58
ALA
206
C
TRP
207
n
59
TRP
207
C
THR
208
n
60
THR
208
C
LEU
209
n
61
LEU
209
C
VAL
210
n
62
VAL
210
C
GLY
211
n
63
GLY
211
C
ILE
212
n
64
ILE
212
C
VAL
213
n
65
VAL
213
C
SER
214
n
66
SER
214
C
TRP
215
n
67
TRP
215
C
GLY
216
n
68
GLY
216
C
SER
217
n
69
SER
217
C
SER
218
n
70
SER
218
C
THR
219
n
71
THR
219
C
CYS
220
n
72
CYS
220
C
SER
221
n
73
SER
221
C
THR
222
n
74
THR
222
C
SER
223
n
75
SER
223
C
THR
224
n
76
THR
224
C
PRO
225
n
77
PRO
225
C
GLY
226
n
78
GLY
226
C
VAL
227
n
79
VAL
227
C
TYR
228
n
80
TYR
228
C
ALA
229
n
81
ALA
229
C
ARG
230
n
82
ARG
230
C
VAL
231
n
83
VAL
231
C
THR
232
n
84
THR
232
C
ALA
233
n
85
ALA
233
C
LEU
234
n
86
LEU
234
C
VAL
235
n
87
VAL
235
C
ASN
236
n
88
ASN
236
C
TRP
237
n
89
TRP
237
C
VAL
238
n
90
VAL
238
C
GLN
239
n
91
GLN
239
C
GLN
240
n
92
GLN
240
C
THR
241
n
93
THR
241
C
LEU
242
n
94
LEU
242
C
ALA
243
n
95
ALA
243
C
ALA
244
n
96
ALA
244
C
ASN
245
n
97
ASN
245
C
author_and_software_defined_assembly
PISA
3
trimeric
9480
-98
9960
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
B
O
GLU
20
B
O
GLU
5
C
N
GLN
157
C
N
GLN
9
C
O
LEU
160
C
O
LEU
12
B
N
CYS
136
B
N
CYS
121
B
N
THR
139
B
N
THR
124
C
O
PRO
198
C
O
PRO
50
C
N
LYS
203
C
N
LYS
55
C
O
ALA
206
C
O
ALA
58
C
O
TRP
215
C
O
TRP
67
C
N
VAL
227
C
N
VAL
79
C
N
TYR
228
C
N
TYR
80
C
O
ILE
181
C
O
ILE
33
B
O
LEU
33
B
O
LEU
18
B
N
PHE
41
B
N
PHE
26
B
O
SER
45
B
O
SER
30
B
N
VAL
53
B
N
VAL
38
B
N
THR
54
B
N
THR
39
B
O
THR
104
B
O
THR
89
B
O
LYS
107
B
O
LYS
92
B
N
ALA
86
B
N
ALA
71
B
N
LEU
83
B
N
LEU
68
B
O
VAL
66
B
O
VAL
51
B
N
VAL
67
B
N
VAL
52
B
O
SER
32
B
O
SER
17
1
B
HOH
654
N
HOH
1
B
HOH
718
N
HOH
1
C
HOH
572
O
HOH
1
C
HOH
723
O
HOH
1
B
C
O
O
HOH
HOH
667
477
1.95
1
B
B
O
O
HOH
HOH
631
722
2.12
1
B
B
O
O
HOH
HOH
542
627
2.19
1
B
B
O
O
HOH
HOH
676
676
1.73
1_555
2_655
1
B
B
O
O
HOH
HOH
620
627
2.02
1_555
2_655
1
B
ASN
48
-176.01
-178.32
1
B
PHE
71
-130.34
-60.48
1
C
SER
214
-117.22
-75.35
Initial coordinates for this structure were derived from the model of
G. Cohen et al. (PDB entry 2GCH). Secondary structure elements and
sequence data are identical to those of entry 2GCH except that the use of cryocrystallography techniques and the extended resolution of the current study permitted assignment of coordinates to residues 149 and 150,
which are adjacent to a natural excission site. Initial phases were derived from the 2GCH model. A previous entry by Brady et al. (PDB entry 6gch) describes an identical complex determined by crystal structure analysis at lower resolution (2.1 Angstrom). More accurate determination of hydrogen bonding distances within the catalytic triad motivated the current study.
0.212
0.175
1.4
8.0
4230
45082
42041
91.4
1
2.0
Engh & Huber
1.4
8.0
333
2152
68
0
1751
0.006
1.4
1.4
30.0
1GG6
45082
42041
2.0
0.027
1
3.6
91.4
0.118
1.40
1.45
1
75.8
data collection
FRAMBO
data reduction
XDS
model building
XCALIBRE
refinement
X-PLOR
3.5
data scaling
XDS
phasing
XCALIBRE
CRYSTAL STRUCTURE OF GAMMA CHYMOTRYPSIN WITH N-ACETYL-PHENYLALANINE TRIFLUOROMETHYL KETONE BOUND AT THE ACTIVE SITE
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
6
N
N
6
N
N
4
N
N
4
N
N
7
N
N
6
N
N
6
N
N
8
N
N
8
N
N
8
N
N
B
ALA
55
B
ALA
40
HELX_P
B
GLY
59
B
GLY
44
5
1
5
C
SER
164
C
SER
16
HELX_P
C
GLY
173
C
GLY
25
1
2
10
C
THR
174
C
THR
26
HELX_P
C
ILE
176
C
ILE
28
5
3
3
C
LEU
234
C
LEU
86
HELX_P
C
ASN
245
C
ASN
97
1
4
12
disulf
2.031
A
CYS
1
A
SG
CYS
1
1_555
B
CYS
122
B
SG
CYS
107
1_555
disulf
2.031
B
CYS
42
B
SG
CYS
27
1_555
B
CYS
58
B
SG
CYS
43
1_555
disulf
2.029
B
CYS
136
B
SG
CYS
121
1_555
C
CYS
201
C
SG
CYS
53
1_555
disulf
2.028
C
CYS
168
C
SG
CYS
20
1_555
C
CYS
182
C
SG
CYS
34
1_555
disulf
2.030
C
CYS
191
C
SG
CYS
43
1_555
C
CYS
220
C
SG
CYS
72
1_555
covale
1.421
none
C
SER
195
C
OG
SER
47
1_555
C
APF
301
J
C2
APF
1_555
HYDROLASE/HYDROLASE INHIBITOR
CHYMOTRYPSIN, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
CTRA_BOVIN
UNP
1
1
P00766
CGVPAIQPVL
CTRA_BOVIN
UNP
2
16
P00766
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
CTRA_BOVIN
UNP
3
149
P00766
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
1
10
1GG6
1
10
P00766
A
1
1
10
16
146
1GG6
16
146
P00766
B
2
1
131
149
245
1GG6
149
245
P00766
C
3
1
97
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
B
GLU
20
B
GLU
5
B
GLU
21
B
GLU
6
C
GLN
156
C
GLN
8
C
PRO
161
C
PRO
13
B
THR
135
B
THR
120
B
GLY
140
B
GLY
125
C
PRO
198
C
PRO
50
C
LYS
203
C
LYS
55
C
ALA
206
C
ALA
58
C
TRP
215
C
TRP
67
C
PRO
225
C
PRO
77
C
ARG
230
C
ARG
82
C
MET
180
C
MET
32
C
GLY
184
C
GLY
36
B
GLN
30
B
GLN
15
B
GLN
34
B
GLN
19
B
HIS
40
B
HIS
25
B
LEU
46
B
LEU
31
B
TRP
51
B
TRP
36
B
THR
54
B
THR
39
B
THR
104
B
THR
89
B
LEU
108
B
LEU
93
B
GLN
81
B
GLN
66
B
LYS
90
B
LYS
75
B
VAL
65
B
VAL
50
B
ALA
68
B
ALA
53
B
GLN
30
B
GLN
15
B
GLN
34
B
GLN
19
BINDING SITE FOR RESIDUE SO4 B 305
B
SO4
305
Software
8
BINDING SITE FOR RESIDUE SO4 C 306
C
SO4
306
Software
5
BINDING SITE FOR RESIDUE SO4 C 307
C
SO4
307
Software
5
BINDING SITE FOR RESIDUE APF C 301
C
APF
301
Software
15
BINDING SITE FOR RESIDUE APL B 302
B
APL
302
Software
16
BINDING SITE FOR RESIDUE EDO C 310
C
EDO
310
Software
6
BINDING SITE FOR RESIDUE EDO B 311
B
EDO
311
Software
7
BINDING SITE FOR RESIDUE EDO C 312
C
EDO
312
Software
4
BINDING SITE FOR RESIDUE EDO B 313
B
EDO
313
Software
7
B
LYS
36
B
LYS
21
8
2_655
B
SER
92
B
SER
77
8
1_555
B
HOH
408
N
HOH
8
1_555
B
HOH
422
N
HOH
8
1_555
B
HOH
564
N
HOH
8
1_555
C
TRP
237
C
TRP
89
8
1_555
C
HOH
559
O
HOH
8
1_555
C
HOH
680
O
HOH
8
6_555
B
HOH
470
N
HOH
5
1_555
C
PRO
152
C
PRO
4
5
1_555
C
ASP
153
C
ASP
5
5
1_555
C
ARG
154
C
ARG
6
5
1_555
C
HOH
553
O
HOH
5
1_555
B
PHE
130
B
PHE
115
5
1_555
C
LEU
162
C
LEU
14
5
1_555
C
LEU
163
C
LEU
15
5
1_555
C
ARG
230
C
ARG
82
5
1_555
C
HOH
719
O
HOH
5
1_555
B
HIS
57
B
HIS
42
15
1_555
B
LEU
97
B
LEU
82
15
2_655
B
EDO
313
G
EDO
15
2_655
B
HOH
626
N
HOH
15
2_655
C
SER
190
C
SER
42
15
1_555
C
CYS
191
C
CYS
43
15
1_555
C
MET
192
C
MET
44
15
1_555
C
GLY
193
C
GLY
45
15
1_555
C
ASP
194
C
ASP
46
15
1_555
C
SER
195
C
SER
47
15
1_555
C
SER
214
C
SER
66
15
1_555
C
TRP
215
C
TRP
67
15
1_555
C
GLY
216
C
GLY
68
15
1_555
C
SER
217
C
SER
69
15
1_555
C
HOH
702
O
HOH
15
1_555
B
GLN
34
B
GLN
19
16
1_555
B
GLY
38
B
GLY
23
16
1_555
B
VAL
67
B
VAL
52
16
1_555
B
GLU
70
B
GLU
55
16
1_555
B
GLN
73
B
GLN
58
16
1_555
B
SER
75
B
SER
60
16
1_555
B
SER
76
B
SER
61
16
1_555
B
ILE
80
B
ILE
65
16
1_555
B
LYS
82
B
LYS
67
16
1_555
B
PRO
124
B
PRO
109
16
5_545
B
SER
125
B
SER
110
16
5_545
B
EDO
311
F
EDO
16
5_545
B
HOH
495
N
HOH
16
5_545
B
HOH
511
N
HOH
16
5_545
B
HOH
699
N
HOH
16
1_555
C
GLN
239
C
GLN
91
16
5_545
B
ILE
99
B
ILE
84
6
1_555
B
EDO
313
G
EDO
6
1_555
B
HOH
732
N
HOH
6
1_555
C
LYS
175
C
LYS
27
6
1_555
C
TRP
215
C
TRP
67
6
1_555
C
HOH
427
O
HOH
6
1_555
B
LYS
36
B
LYS
21
7
5_555
B
GLY
38
B
GLY
23
7
5_555
B
LYS
82
B
LYS
67
7
5_555
B
APL
302
E
APL
7
5_555
B
HOH
487
N
HOH
7
5_555
B
HOH
506
N
HOH
7
5_555
C
HOH
671
O
HOH
7
1_555
B
ILE
47
B
ILE
32
4
1_555
B
ASN
48
B
ASN
33
4
1_555
C
GLN
239
C
GLN
91
4
1_555
C
HOH
708
O
HOH
4
1_555
B
SER
96
B
SER
81
7
1_555
B
LEU
97
B
LEU
82
7
1_555
B
ILE
99
B
ILE
84
7
1_555
B
HOH
695
N
HOH
7
1_555
B
HOH
732
N
HOH
7
1_555
C
APF
301
J
APF
7
2_655
C
EDO
310
K
EDO
7
1_555
94
P 42 21 2