0.020367
0.000000
0.004218
0.000000
0.014837
0.000000
0.000000
0.000000
0.015496
0.000000
0.000000
0.000000
THE SIDE-CHAIN HYDROXYL GROUP OF SERINE 195 IS TOSYLATED IN THIS STRUCTURE. COORDINATES FOR THE P-TOLUENE-SULFONATE GROUP ARE GIVEN BELOW IN THE *HETATM* RECORDS FOR THE GROUP *TOS*.
Birktoft, J.J.
Blow, D.M.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
101.70
90.00
49.100
67.400
65.900
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
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C7 H8 O3 S
172.202
PARA-TOLUENE SULFONATE
non-polymer
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
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
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
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
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
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
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
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
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
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
O
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
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
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
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
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
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
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
H
N
304
N
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
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
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
N
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
N
335
N
O
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
H
N
347
N
H
N
348
N
S
N
349
N
O
N
350
N
O
N
351
N
O
Y
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
N
358
N
C
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
N
N
368
S
C
N
369
N
C
N
370
N
O
N
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
C
Y
377
N
C
N
378
N
O
N
379
N
O
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
H
N
391
N
N
N
392
S
C
N
393
N
C
N
394
N
O
N
395
N
C
N
396
N
C
N
397
N
C
N
398
N
O
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
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
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
doub
N
329
N
sing
Y
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
doub
N
335
N
doub
N
336
N
sing
N
337
N
sing
N
338
N
sing
Y
339
N
doub
Y
340
N
sing
Y
341
N
sing
N
342
N
sing
Y
343
N
doub
N
344
N
sing
Y
345
N
sing
N
346
N
sing
Y
347
N
doub
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
doub
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
Y
364
N
doub
Y
365
N
sing
Y
366
N
sing
N
367
N
sing
Y
368
N
doub
N
369
N
sing
Y
370
N
doub
N
371
N
sing
Y
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
doub
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
68
187
240
10.1016/0022-2836(72)90210-0
5069789
Structure of crystalline -chymotrypsin. V. The atomic structure of tosyl- -chymotrypsin at 2 A resolution.
1972
UK
Nature
NATUAS
0006
0028-0836
214
652
Three-Dimensional Structure of Tosyl-Alpha-Chymotrypsin
1967
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
35
143
Structure of Crystalline Alpha-Chymotrypsin, II.A Preliminary Report Including a Hypothesis for the Activation Mechanism
1968
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
46
337
Structure of Crystalline Alpha-Chymotrypsin, III.Crystallographic Studies of Substrates and Inhibitors Bound to the Active Site of Alpha-Chymotrypsin
1969
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
54
341
Structure of Crystalline Alpha-Chymotrypsin, Iv.The Structure of Indoleacryloyl-Alpha-Chymotrypsin and its Relevance to the Hydrolytic Mechanism of the Enzyme
1970
US
Acc.Chem.Res.
ACHRE4
0411
0001-4842
9
145
Structure and Mechanism of Chymotrypsin
1976
US
Ann.N.Y.Acad.Sci.
ANYAA9
0332
0077-8923
227
438
The Active Centers of Serine Proteinases
1974
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
79
1
Comparison of the Crystal Structures of Chymotrypsinogen-A and Alpha-Chymotrypsin
1973
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
63
295
Structure of Crystalline Methyl-Chymotrypsin
1972
US
Cold Spring Harbor Symp.Quant.Biol.
CSHSAZ
0421
0091-7451
36
63
Alpha-Chymotrypsin,What Can We Learn About Catalysis from X-Ray Diffraction (Query).
1972
Academic Press,New York
The Enzymes,Third Edition
0436
0-12-122711-1
3
185
The Structure of Chymotrypsin
1971
Academic Press,New York
The Enzymes,Third Edition
0436
0-12-122711-1
3
213
Chymotrypsin-Chemical Properties and Catalysis
1971
UK
Philos.Trans.R.Soc.London,Ser.B
PTRBAE
0441
0080-4622
257
67
The Structure of Alpha-Chymotrypsin
1970
UK
Biochem.J.
BIJOAK
0043
0264-6021
112
261
The Study of Alpha-Chymotrypsin by X-Ray Diffraction
1969
Tracor Jitco Inc.,Rockville,Md.
Atlas of Macromolecular Structure on Microfiche
0434
0-917934-01-6
191
1976
National Biomedical Research Foundation, Silver Spring,Md.
Atlas of Protein Sequence and Structure (Data Section)
0435
0-912466-02-2
5
107
1972
1
2
3
4
10.2210/pdb2cha/pdb
pdb_00002cha
-0.979224
0.000000
-0.202791
0.000000
1.000000
0.000000
0.202791
0.000000
-0.979224
48.014386
-20.190000
24.649377
1
x-ray
1
1.0
1253.511
ALPHA-CHYMOTRYPSIN A
3.4.21.1
2
nat
polymer
13934.556
ALPHA-CHYMOTRYPSIN A
3.4.21.1
2
nat
polymer
10074.495
ALPHA-CHYMOTRYPSIN A
3.4.21.1
2
nat
polymer
172.202
PARA-TOLUENE SULFONATE
2
syn
non-polymer
18.015
water
50
nat
water
no
no
CGVPAIQPVLSGL
CGVPAIQPVLSGL
A,E
polypeptide(L)
no
no
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN
SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
B,F
polypeptide(L)
no
no
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY
ARVTALVNWVQQTLAAN
C,G
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
cattle
Bos
sample
9913
Bos taurus
cattle
Bos
sample
9913
Bos taurus
cattle
Bos
sample
9913
Bos taurus
4.23
70.89
atom_site
chem_comp_atom
chem_comp_bond
database_2
database_PDB_matrix
pdbx_database_remark
pdbx_database_status
pdbx_validate_close_contact
pdbx_validate_main_chain_plane
pdbx_validate_planes
pdbx_validate_rmsd_angle
pdbx_validate_symm_contact
pdbx_validate_torsion
struct_conn
struct_ncs_oper
struct_site
repository
Initial release
Coordinates and associated ncs operations (if present) transformed into standard crystal frame
repository
Remediation
Version format compliance
Advisory
Version format compliance
Non-polymer description
Advisory
Atomic model
Data collection
Database references
Derived calculations
Other
Refinement description
1
0
1977-01-18
1
1
2008-03-24
1
2
2011-07-13
1
3
2011-08-24
2
0
2023-09-27
_atom_site.Cartn_x
_atom_site.Cartn_y
_atom_site.Cartn_z
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_database_PDB_matrix.origx[1][1]
_database_PDB_matrix.origx[1][3]
_database_PDB_matrix.origx[3][1]
_database_PDB_matrix.origx[3][3]
_database_PDB_matrix.origx_vector[1]
_database_PDB_matrix.origx_vector[2]
_database_PDB_matrix.origx_vector[3]
_pdbx_database_status.process_site
_pdbx_validate_close_contact.auth_asym_id_1
_pdbx_validate_close_contact.auth_asym_id_2
_pdbx_validate_close_contact.auth_atom_id_1
_pdbx_validate_close_contact.auth_atom_id_2
_pdbx_validate_close_contact.auth_comp_id_1
_pdbx_validate_close_contact.auth_comp_id_2
_pdbx_validate_close_contact.auth_seq_id_1
_pdbx_validate_close_contact.auth_seq_id_2
_pdbx_validate_close_contact.dist
_pdbx_validate_planes.rmsd
_pdbx_validate_rmsd_angle.angle_deviation
_pdbx_validate_rmsd_angle.angle_value
_pdbx_validate_torsion.phi
_pdbx_validate_torsion.psi
_struct_conn.pdbx_dist_value
_struct_ncs_oper.matrix[1][1]
_struct_ncs_oper.matrix[1][3]
_struct_ncs_oper.matrix[3][1]
_struct_ncs_oper.matrix[3][3]
_struct_ncs_oper.vector[1]
_struct_ncs_oper.vector[2]
_struct_ncs_oper.vector[3]
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1975-01-01
REL
TSU
PARA-TOLUENE SULFONATE
HOH
water
2CHA
THE ALPHA CHYMOTRYPSIN MOLECULE IS COMPRISED OF THREE 2CHA
POLYPEPTIDE CHAINS WHICH ARE DERIVED FROM THE ZYMOGEN OF 2CHA
THIS ENZYME BY EXCISION OF RESIDUES 14-15 AND 147-148. TO 2CHA
ASSIGN SEPARATE CHAIN IDENTIFIERS TO THE THREE CHAINS 2CHA
WOULD OBSCURE THIS RELATIONSHIP AND SO THIS WAS NOT DONE. 2CHA
CHAIN TERMINATOR RECORDS WERE INSERTED AFTER RESIDUES 146 2CHA
AND 245 TO INDICATE EXPLICIT TERMINI AND THE SPECIAL CODE 2CHA
EXC WAS USED IN THE SEQRES RECORDS TO DENOTE THE EXCISIONS. 2CHA
RESIDUES 9 THROUGH 13 ARE NOT VISIBLE IN THE ELECTRON 2CHA
DENSITY MAP AND SO ARE OMITTED, CONSEQUENTLY THE TER RECORD 2CHA
WHICH WOULD HAVE APPEARED AFTER RESIDUE 13 IS ALSO OMITTED. 2CHA
TSU
51
4
TSU
TSU
51
C
TSU
51
4
TSU
TSU
51
G
HOH
38
5
HOH
HOH
38
A
HOH
147
5
HOH
HOH
147
B
HOH
148
5
HOH
HOH
148
B
HOH
149
5
HOH
HOH
149
B
HOH
150
5
HOH
HOH
150
B
HOH
151
5
HOH
HOH
151
B
HOH
152
5
HOH
HOH
152
B
HOH
153
5
HOH
HOH
153
B
HOH
154
5
HOH
HOH
154
B
HOH
155
5
HOH
HOH
155
B
HOH
156
5
HOH
HOH
156
B
HOH
157
5
HOH
HOH
157
B
HOH
158
5
HOH
HOH
158
B
HOH
159
5
HOH
HOH
159
B
HOH
160
5
HOH
HOH
160
B
HOH
161
5
HOH
HOH
161
B
HOH
162
5
HOH
HOH
162
B
HOH
163
5
HOH
HOH
163
B
HOH
164
5
HOH
HOH
164
B
HOH
165
5
HOH
HOH
165
B
HOH
166
5
HOH
HOH
166
B
HOH
167
5
HOH
HOH
167
B
HOH
168
5
HOH
HOH
168
B
HOH
169
5
HOH
HOH
169
B
HOH
170
5
HOH
HOH
170
B
HOH
171
5
HOH
HOH
171
B
HOH
172
5
HOH
HOH
172
B
HOH
173
5
HOH
HOH
173
B
HOH
174
5
HOH
HOH
174
B
HOH
175
5
HOH
HOH
175
B
HOH
176
5
HOH
HOH
176
B
HOH
177
5
HOH
HOH
177
B
HOH
178
5
HOH
HOH
178
B
HOH
179
5
HOH
HOH
179
B
HOH
5
5
HOH
HOH
5
C
HOH
9
5
HOH
HOH
9
C
HOH
11
5
HOH
HOH
11
C
HOH
12
5
HOH
HOH
12
C
HOH
25
5
HOH
HOH
25
C
HOH
27
5
HOH
HOH
27
C
HOH
28
5
HOH
HOH
28
C
HOH
29
5
HOH
HOH
29
C
HOH
31
5
HOH
HOH
31
C
HOH
42
5
HOH
HOH
42
C
HOH
43
5
HOH
HOH
43
C
HOH
44
5
HOH
HOH
44
C
HOH
45
5
HOH
HOH
45
C
HOH
50
5
HOH
HOH
50
C
HOH
4
5
HOH
HOH
4
F
HOH
3
5
HOH
HOH
3
G
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
n
10
10
A
n
11
11
A
n
12
12
A
n
13
13
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
CYS
1
n
1
CYS
1
E
GLY
2
n
2
GLY
2
E
VAL
3
n
3
VAL
3
E
PRO
4
n
4
PRO
4
E
ALA
5
n
5
ALA
5
E
ILE
6
n
6
ILE
6
E
GLN
7
n
7
GLN
7
E
PRO
8
n
8
PRO
8
E
VAL
9
n
9
VAL
9
E
n
10
10
E
n
11
11
E
n
12
12
E
n
13
13
E
ILE
16
n
1
ILE
16
F
VAL
17
n
2
VAL
17
F
ASN
18
n
3
ASN
18
F
GLY
19
n
4
GLY
19
F
GLU
20
n
5
GLU
20
F
GLU
21
n
6
GLU
21
F
ALA
22
n
7
ALA
22
F
VAL
23
n
8
VAL
23
F
PRO
24
n
9
PRO
24
F
GLY
25
n
10
GLY
25
F
SER
26
n
11
SER
26
F
TRP
27
n
12
TRP
27
F
PRO
28
n
13
PRO
28
F
TRP
29
n
14
TRP
29
F
GLN
30
n
15
GLN
30
F
VAL
31
n
16
VAL
31
F
SER
32
n
17
SER
32
F
LEU
33
n
18
LEU
33
F
GLN
34
n
19
GLN
34
F
ASP
35
n
20
ASP
35
F
LYS
36
n
21
LYS
36
F
THR
37
n
22
THR
37
F
GLY
38
n
23
GLY
38
F
PHE
39
n
24
PHE
39
F
HIS
40
n
25
HIS
40
F
PHE
41
n
26
PHE
41
F
CYS
42
n
27
CYS
42
F
GLY
43
n
28
GLY
43
F
GLY
44
n
29
GLY
44
F
SER
45
n
30
SER
45
F
LEU
46
n
31
LEU
46
F
ILE
47
n
32
ILE
47
F
ASN
48
n
33
ASN
48
F
GLU
49
n
34
GLU
49
F
ASN
50
n
35
ASN
50
F
TRP
51
n
36
TRP
51
F
VAL
52
n
37
VAL
52
F
VAL
53
n
38
VAL
53
F
THR
54
n
39
THR
54
F
ALA
55
n
40
ALA
55
F
ALA
56
n
41
ALA
56
F
HIS
57
n
42
HIS
57
F
CYS
58
n
43
CYS
58
F
GLY
59
n
44
GLY
59
F
VAL
60
n
45
VAL
60
F
THR
61
n
46
THR
61
F
THR
62
n
47
THR
62
F
SER
63
n
48
SER
63
F
ASP
64
n
49
ASP
64
F
VAL
65
n
50
VAL
65
F
VAL
66
n
51
VAL
66
F
VAL
67
n
52
VAL
67
F
ALA
68
n
53
ALA
68
F
GLY
69
n
54
GLY
69
F
GLU
70
n
55
GLU
70
F
PHE
71
n
56
PHE
71
F
ASP
72
n
57
ASP
72
F
GLN
73
n
58
GLN
73
F
GLY
74
n
59
GLY
74
F
SER
75
n
60
SER
75
F
SER
76
n
61
SER
76
F
SER
77
n
62
SER
77
F
GLU
78
n
63
GLU
78
F
LYS
79
n
64
LYS
79
F
ILE
80
n
65
ILE
80
F
GLN
81
n
66
GLN
81
F
LYS
82
n
67
LYS
82
F
LEU
83
n
68
LEU
83
F
LYS
84
n
69
LYS
84
F
ILE
85
n
70
ILE
85
F
ALA
86
n
71
ALA
86
F
LYS
87
n
72
LYS
87
F
VAL
88
n
73
VAL
88
F
PHE
89
n
74
PHE
89
F
LYS
90
n
75
LYS
90
F
ASN
91
n
76
ASN
91
F
SER
92
n
77
SER
92
F
LYS
93
n
78
LYS
93
F
TYR
94
n
79
TYR
94
F
ASN
95
n
80
ASN
95
F
SER
96
n
81
SER
96
F
LEU
97
n
82
LEU
97
F
THR
98
n
83
THR
98
F
ILE
99
n
84
ILE
99
F
ASN
100
n
85
ASN
100
F
ASN
101
n
86
ASN
101
F
ASP
102
n
87
ASP
102
F
ILE
103
n
88
ILE
103
F
THR
104
n
89
THR
104
F
LEU
105
n
90
LEU
105
F
LEU
106
n
91
LEU
106
F
LYS
107
n
92
LYS
107
F
LEU
108
n
93
LEU
108
F
SER
109
n
94
SER
109
F
THR
110
n
95
THR
110
F
ALA
111
n
96
ALA
111
F
ALA
112
n
97
ALA
112
F
SER
113
n
98
SER
113
F
PHE
114
n
99
PHE
114
F
SER
115
n
100
SER
115
F
GLN
116
n
101
GLN
116
F
THR
117
n
102
THR
117
F
VAL
118
n
103
VAL
118
F
SER
119
n
104
SER
119
F
ALA
120
n
105
ALA
120
F
VAL
121
n
106
VAL
121
F
CYS
122
n
107
CYS
122
F
LEU
123
n
108
LEU
123
F
PRO
124
n
109
PRO
124
F
SER
125
n
110
SER
125
F
ALA
126
n
111
ALA
126
F
SER
127
n
112
SER
127
F
ASP
128
n
113
ASP
128
F
ASP
129
n
114
ASP
129
F
PHE
130
n
115
PHE
130
F
ALA
131
n
116
ALA
131
F
ALA
132
n
117
ALA
132
F
GLY
133
n
118
GLY
133
F
THR
134
n
119
THR
134
F
THR
135
n
120
THR
135
F
CYS
136
n
121
CYS
136
F
VAL
137
n
122
VAL
137
F
THR
138
n
123
THR
138
F
THR
139
n
124
THR
139
F
GLY
140
n
125
GLY
140
F
TRP
141
n
126
TRP
141
F
GLY
142
n
127
GLY
142
F
LEU
143
n
128
LEU
143
F
THR
144
n
129
THR
144
F
ARG
145
n
130
ARG
145
F
TYR
146
n
131
TYR
146
F
ALA
149
n
1
ALA
149
G
ASN
150
n
2
ASN
150
G
THR
151
n
3
THR
151
G
PRO
152
n
4
PRO
152
G
ASP
153
n
5
ASP
153
G
ARG
154
n
6
ARG
154
G
LEU
155
n
7
LEU
155
G
GLN
156
n
8
GLN
156
G
GLN
157
n
9
GLN
157
G
ALA
158
n
10
ALA
158
G
SER
159
n
11
SER
159
G
LEU
160
n
12
LEU
160
G
PRO
161
n
13
PRO
161
G
LEU
162
n
14
LEU
162
G
LEU
163
n
15
LEU
163
G
SER
164
n
16
SER
164
G
ASN
165
n
17
ASN
165
G
THR
166
n
18
THR
166
G
ASN
167
n
19
ASN
167
G
CYS
168
n
20
CYS
168
G
LYS
169
n
21
LYS
169
G
LYS
170
n
22
LYS
170
G
TYR
171
n
23
TYR
171
G
TRP
172
n
24
TRP
172
G
GLY
173
n
25
GLY
173
G
THR
174
n
26
THR
174
G
LYS
175
n
27
LYS
175
G
ILE
176
n
28
ILE
176
G
LYS
177
n
29
LYS
177
G
ASP
178
n
30
ASP
178
G
ALA
179
n
31
ALA
179
G
MET
180
n
32
MET
180
G
ILE
181
n
33
ILE
181
G
CYS
182
n
34
CYS
182
G
ALA
183
n
35
ALA
183
G
GLY
184
n
36
GLY
184
G
ALA
185
n
37
ALA
185
G
SER
186
n
38
SER
186
G
GLY
187
n
39
GLY
187
G
VAL
188
n
40
VAL
188
G
SER
189
n
41
SER
189
G
SER
190
n
42
SER
190
G
CYS
191
n
43
CYS
191
G
MET
192
n
44
MET
192
G
GLY
193
n
45
GLY
193
G
ASP
194
n
46
ASP
194
G
SER
195
n
47
SER
195
G
GLY
196
n
48
GLY
196
G
GLY
197
n
49
GLY
197
G
PRO
198
n
50
PRO
198
G
LEU
199
n
51
LEU
199
G
VAL
200
n
52
VAL
200
G
CYS
201
n
53
CYS
201
G
LYS
202
n
54
LYS
202
G
LYS
203
n
55
LYS
203
G
ASN
204
n
56
ASN
204
G
GLY
205
n
57
GLY
205
G
ALA
206
n
58
ALA
206
G
TRP
207
n
59
TRP
207
G
THR
208
n
60
THR
208
G
LEU
209
n
61
LEU
209
G
VAL
210
n
62
VAL
210
G
GLY
211
n
63
GLY
211
G
ILE
212
n
64
ILE
212
G
VAL
213
n
65
VAL
213
G
SER
214
n
66
SER
214
G
TRP
215
n
67
TRP
215
G
GLY
216
n
68
GLY
216
G
SER
217
n
69
SER
217
G
SER
218
n
70
SER
218
G
THR
219
n
71
THR
219
G
CYS
220
n
72
CYS
220
G
SER
221
n
73
SER
221
G
THR
222
n
74
THR
222
G
SER
223
n
75
SER
223
G
THR
224
n
76
THR
224
G
PRO
225
n
77
PRO
225
G
GLY
226
n
78
GLY
226
G
VAL
227
n
79
VAL
227
G
TYR
228
n
80
TYR
228
G
ALA
229
n
81
ALA
229
G
ARG
230
n
82
ARG
230
G
VAL
231
n
83
VAL
231
G
THR
232
n
84
THR
232
G
ALA
233
n
85
ALA
233
G
LEU
234
n
86
LEU
234
G
VAL
235
n
87
VAL
235
G
ASN
236
n
88
ASN
236
G
TRP
237
n
89
TRP
237
G
VAL
238
n
90
VAL
238
G
GLN
239
n
91
GLN
239
G
GLN
240
n
92
GLN
240
G
THR
241
n
93
THR
241
G
LEU
242
n
94
LEU
242
G
ALA
243
n
95
ALA
243
G
ALA
244
n
96
ALA
244
G
ASN
245
n
97
ASN
245
G
author_and_software_defined_assembly
PISA
6
hexameric
17050
-123
18350
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
CA
VAL
9
A
CA
VAL
9
1
Y
1
A
C
VAL
9
A
C
VAL
9
1
Y
1
A
O
VAL
9
A
O
VAL
9
1
Y
1
A
CB
VAL
9
A
CB
VAL
9
1
Y
1
A
CG1
VAL
9
A
CG1
VAL
9
1
Y
1
A
CG2
VAL
9
A
CG2
VAL
9
1
Y
1
E
CA
VAL
9
D
CA
VAL
9
1
Y
1
E
C
VAL
9
D
C
VAL
9
1
Y
1
E
O
VAL
9
D
O
VAL
9
1
Y
1
E
CB
VAL
9
D
CB
VAL
9
1
Y
1
E
CG1
VAL
9
D
CG1
VAL
9
1
Y
1
E
CG2
VAL
9
D
CG2
VAL
9
1
Y
1
C
O1
TSU
51
G
O1
TSU
1
1
N
1
G
O1
TSU
51
H
O1
TSU
1
1
N
1
A
LEU
10
A
LEU
10
1
Y
1
A
SER
11
A
SER
11
1
Y
1
A
GLY
12
A
GLY
12
1
Y
1
A
LEU
13
A
LEU
13
1
Y
1
E
LEU
10
D
LEU
10
1
Y
1
E
SER
11
D
SER
11
1
Y
1
E
GLY
12
D
GLY
12
1
Y
1
E
LEU
13
D
LEU
13
1
Y
1
B
F
CE2
CE2
PHE
PHE
39
39
0.65
1
B
F
CZ
CE2
PHE
PHE
39
39
1.32
1
B
F
CE2
CZ
PHE
PHE
39
39
1.32
1
C
G
OG
O
SER
GLY
218
216
1.43
1
C
G
O
OG
GLY
SER
216
218
1.43
1
G
G
OG
S
SER
TSU
195
51
1.46
1
C
C
OG
S
SER
TSU
195
51
1.46
1
B
F
CZ
CD2
PHE
PHE
39
39
1.78
1
B
F
CD2
CZ
PHE
PHE
39
39
1.78
1
B
F
CE2
CD2
PHE
PHE
39
39
1.84
1
B
F
CD2
CE2
PHE
PHE
39
39
1.84
1
F
F
OXT
O
TYR
HOH
146
4
2.02
1
A
GLY
2
10.96
1
A
VAL
3
11.76
1
A
ALA
5
-11.96
1
A
PRO
8
14.20
1
B
ILE
16
-18.11
1
B
VAL
17
-14.90
1
B
GLY
19
12.29
1
B
GLU
21
16.51
1
B
SER
26
12.76
1
B
TRP
27
-14.58
1
B
GLN
30
-14.94
1
B
VAL
31
-15.31
1
B
LEU
33
16.24
1
B
LYS
36
12.04
1
B
THR
37
-17.26
1
B
PHE
39
-11.31
1
B
ILE
47
14.12
1
B
VAL
52
-16.30
1
B
VAL
53
-17.78
1
B
ALA
55
-10.88
1
B
HIS
57
-10.70
1
B
SER
63
11.06
1
B
VAL
65
-19.04
1
B
GLU
70
-19.81
1
B
PHE
71
11.48
1
B
GLN
73
10.01
1
B
SER
77
11.36
1
B
LYS
79
16.16
1
B
ILE
80
-14.60
1
B
GLN
81
12.80
1
B
LYS
82
12.19
1
B
ILE
85
-21.64
1
B
LYS
87
-16.58
1
B
PHE
89
11.19
1
B
ASN
91
-10.81
1
B
TYR
94
10.86
1
B
ASN
95
-18.46
1
B
SER
96
11.68
1
B
THR
98
-16.95
1
B
ASN
101
13.89
1
B
ILE
103
-15.98
1
B
THR
104
-17.81
1
B
LEU
105
12.58
1
B
LEU
106
12.67
1
B
LEU
108
-10.63
1
B
SER
109
-13.51
1
B
THR
110
-11.82
1
B
ALA
111
13.09
1
B
PHE
114
11.81
1
B
GLN
116
-21.27
1
B
THR
117
18.67
1
B
VAL
118
-14.48
1
B
SER
119
-12.68
1
B
ALA
120
-11.27
1
B
PRO
124
-18.91
1
B
SER
127
10.58
1
B
ASP
128
-10.69
1
B
PHE
130
16.37
1
B
CYS
136
14.91
1
B
VAL
137
-11.24
1
B
GLY
142
-11.07
1
B
LEU
143
13.55
1
B
THR
144
10.28
1
C
THR
151
10.12
1
C
ASP
153
-13.63
1
C
ARG
154
-13.33
1
C
LEU
155
-13.51
1
C
GLN
157
-17.05
1
C
PRO
161
-17.38
1
C
LEU
163
12.04
1
C
ASN
165
-16.57
1
C
THR
166
-15.85
1
C
ASN
167
-14.11
1
C
LYS
170
-15.57
1
C
TYR
171
-12.88
1
C
TRP
172
13.32
1
C
ILE
176
-17.93
1
C
ASP
178
-15.34
1
C
VAL
188
-10.34
1
C
SER
190
13.59
1
C
PRO
198
-16.06
1
C
VAL
200
-12.39
1
C
ASN
204
18.43
1
C
GLY
205
10.56
1
C
THR
208
-11.36
1
C
VAL
210
12.74
1
C
ILE
212
-18.12
1
C
SER
214
13.51
1
C
SER
218
-13.33
1
C
CYS
220
10.91
1
C
TYR
228
12.50
1
C
ARG
230
-11.00
1
C
THR
232
-11.25
1
C
VAL
235
13.11
1
C
TRP
237
-11.20
1
C
VAL
238
-17.06
1
C
GLN
240
-11.37
1
C
LEU
242
-11.79
1
E
GLY
2
10.93
1
E
VAL
3
11.75
1
E
ALA
5
-12.01
1
E
PRO
8
14.19
1
F
ILE
16
-18.12
1
F
VAL
17
-14.90
1
F
GLY
19
12.31
1
F
GLU
21
16.56
1
F
SER
26
12.79
1
F
TRP
27
-14.63
1
F
GLN
30
-14.92
1
F
VAL
31
-15.30
1
F
LEU
33
16.23
1
F
LYS
36
12.02
1
F
THR
37
-17.31
1
F
PHE
39
-11.27
1
F
GLY
43
-10.00
1
F
ILE
47
14.13
1
F
VAL
52
-16.34
1
F
VAL
53
-17.80
1
F
ALA
55
-10.86
1
F
HIS
57
-10.69
1
F
SER
63
11.08
1
F
VAL
65
-19.04
1
F
GLU
70
-19.79
1
F
PHE
71
11.47
1
F
GLN
73
10.04
1
F
SER
77
11.34
1
F
LYS
79
16.19
1
F
ILE
80
-14.60
1
F
GLN
81
12.79
1
F
LYS
82
12.21
1
F
ILE
85
-21.70
1
F
LYS
87
-16.58
1
F
PHE
89
11.22
1
F
ASN
91
-10.81
1
F
TYR
94
10.83
1
F
ASN
95
-18.40
1
F
SER
96
11.68
1
F
THR
98
-17.00
1
F
ASN
101
13.89
1
F
ILE
103
-16.04
1
F
THR
104
-17.81
1
F
LEU
105
12.55
1
F
LEU
106
12.69
1
F
LEU
108
-10.63
1
F
SER
109
-13.49
1
F
THR
110
-11.82
1
F
ALA
111
13.06
1
F
PHE
114
11.78
1
F
GLN
116
-21.26
1
F
THR
117
18.64
1
F
VAL
118
-14.51
1
F
SER
119
-12.67
1
F
ALA
120
-11.28
1
F
PRO
124
-18.92
1
F
SER
127
10.59
1
F
ASP
128
-10.64
1
F
PHE
130
16.39
1
F
CYS
136
14.88
1
F
VAL
137
-11.27
1
F
GLY
142
-11.09
1
F
LEU
143
13.57
1
F
THR
144
10.30
1
G
THR
151
10.08
1
G
ASP
153
-13.62
1
G
ARG
154
-13.33
1
G
LEU
155
-13.52
1
G
GLN
157
-17.03
1
G
PRO
161
-17.40
1
G
LEU
163
12.06
1
G
ASN
165
-16.52
1
G
THR
166
-15.86
1
G
ASN
167
-14.13
1
G
LYS
170
-15.57
1
G
TYR
171
-12.85
1
G
TRP
172
13.32
1
G
ILE
176
-17.92
1
G
ASP
178
-15.39
1
G
VAL
188
-10.32
1
G
SER
190
13.60
1
G
PRO
198
-16.06
1
G
VAL
200
-12.40
1
G
ASN
204
18.42
1
G
GLY
205
10.56
1
G
THR
208
-11.37
1
G
VAL
210
12.79
1
G
ILE
212
-18.12
1
G
SER
214
13.49
1
G
SER
218
-13.31
1
G
CYS
220
10.93
1
G
TYR
228
12.53
1
G
ARG
230
-10.99
1
G
THR
232
-11.27
1
G
VAL
235
13.06
1
G
TRP
237
-11.19
1
G
VAL
238
-17.07
1
G
GLN
240
-11.37
1
G
LEU
242
-11.78
1
B
ASN
18
0.082
SIDE CHAIN
1
B
TYR
94
0.064
SIDE CHAIN
1
F
ASN
18
0.081
SIDE CHAIN
1
F
TYR
94
0.064
SIDE CHAIN
1
11.51
1.10
114.20
125.71
A
A
A
CA
CB
SG
CYS
CYS
CYS
1
1
1
N
1
9.10
1.50
110.90
120.00
B
B
B
CA
CB
CG2
VAL
VAL
VAL
31
31
31
N
1
10.44
1.70
111.00
121.44
B
B
B
CB
CG
CD2
LEU
LEU
LEU
33
33
33
N
1
10.07
1.50
110.90
120.97
B
B
B
CA
CB
CG1
VAL
VAL
VAL
52
52
52
N
1
9.33
1.50
110.90
120.23
B
B
B
CA
CB
CG1
VAL
VAL
VAL
60
60
60
N
1
11.29
1.40
112.40
123.69
B
B
B
CA
CB
CG2
THR
THR
THR
62
62
62
N
1
14.29
1.50
110.90
125.19
B
B
B
CA
CB
CG1
VAL
VAL
VAL
65
65
65
N
1
10.96
1.40
112.40
123.36
B
B
B
CA
CB
CG2
THR
THR
THR
104
104
104
N
1
11.65
1.70
111.00
122.65
B
B
B
CB
CG
CD2
LEU
LEU
LEU
106
106
106
N
1
-4.67
0.70
120.80
116.13
B
B
B
CB
CG
CD2
PHE
PHE
PHE
114
114
114
N
1
5.22
0.70
120.80
126.02
B
B
B
CB
CG
CD1
PHE
PHE
PHE
114
114
114
N
1
13.42
1.50
110.90
124.32
B
B
B
CA
CB
CG1
VAL
VAL
VAL
118
118
118
N
1
9.72
1.50
110.90
120.62
B
B
B
CA
CB
CG1
VAL
VAL
VAL
121
121
121
N
1
11.28
1.50
110.90
122.18
B
B
B
CA
CB
CG1
VAL
VAL
VAL
137
137
137
N
1
11.58
1.50
110.90
122.48
C
C
C
CA
CB
CG1
VAL
VAL
VAL
210
210
210
N
1
7.91
1.10
114.20
122.11
C
C
C
CA
CB
SG
CYS
CYS
CYS
220
220
220
N
1
-3.37
0.50
120.30
116.93
C
C
C
NE
CZ
NH1
ARG
ARG
ARG
230
230
230
N
1
3.65
0.50
120.30
123.95
C
C
C
NE
CZ
NH2
ARG
ARG
ARG
230
230
230
N
1
-11.14
1.60
110.90
99.76
C
C
C
CG1
CB
CG2
VAL
VAL
VAL
231
231
231
N
1
12.24
1.40
112.40
124.64
C
C
C
CA
CB
CG2
THR
THR
THR
232
232
232
N
1
13.22
1.70
111.00
124.22
C
C
C
CB
CG
CD1
LEU
LEU
LEU
234
234
234
N
1
11.45
1.50
110.90
122.35
C
C
C
CA
CB
CG2
VAL
VAL
VAL
235
235
235
N
1
11.51
1.10
114.20
125.71
E
E
E
CA
CB
SG
CYS
CYS
CYS
1
1
1
N
1
9.17
1.50
110.90
120.07
F
F
F
CA
CB
CG2
VAL
VAL
VAL
31
31
31
N
1
10.39
1.70
111.00
121.39
F
F
F
CB
CG
CD2
LEU
LEU
LEU
33
33
33
N
1
10.05
1.50
110.90
120.95
F
F
F
CA
CB
CG1
VAL
VAL
VAL
52
52
52
N
1
9.35
1.50
110.90
120.25
F
F
F
CA
CB
CG1
VAL
VAL
VAL
60
60
60
N
1
11.31
1.40
112.40
123.71
F
F
F
CA
CB
CG2
THR
THR
THR
62
62
62
N
1
14.27
1.50
110.90
125.17
F
F
F
CA
CB
CG1
VAL
VAL
VAL
65
65
65
N
1
10.92
1.40
112.40
123.32
F
F
F
CA
CB
CG2
THR
THR
THR
104
104
104
N
1
11.65
1.70
111.00
122.65
F
F
F
CB
CG
CD2
LEU
LEU
LEU
106
106
106
N
1
-4.67
0.70
120.80
116.13
F
F
F
CB
CG
CD2
PHE
PHE
PHE
114
114
114
N
1
5.21
0.70
120.80
126.01
F
F
F
CB
CG
CD1
PHE
PHE
PHE
114
114
114
N
1
13.46
1.50
110.90
124.36
F
F
F
CA
CB
CG1
VAL
VAL
VAL
118
118
118
N
1
9.71
1.50
110.90
120.61
F
F
F
CA
CB
CG1
VAL
VAL
VAL
121
121
121
N
1
11.24
1.50
110.90
122.14
F
F
F
CA
CB
CG1
VAL
VAL
VAL
137
137
137
N
1
11.58
1.50
110.90
122.48
G
G
G
CA
CB
CG1
VAL
VAL
VAL
210
210
210
N
1
7.90
1.10
114.20
122.10
G
G
G
CA
CB
SG
CYS
CYS
CYS
220
220
220
N
1
-3.39
0.50
120.30
116.91
G
G
G
NE
CZ
NH1
ARG
ARG
ARG
230
230
230
N
1
3.62
0.50
120.30
123.92
G
G
G
NE
CZ
NH2
ARG
ARG
ARG
230
230
230
N
1
-11.15
1.60
110.90
99.75
G
G
G
CG1
CB
CG2
VAL
VAL
VAL
231
231
231
N
1
12.25
1.40
112.40
124.65
G
G
G
CA
CB
CG2
THR
THR
THR
232
232
232
N
1
13.23
1.70
111.00
124.23
G
G
G
CB
CG
CD1
LEU
LEU
LEU
234
234
234
N
1
11.44
1.50
110.90
122.34
G
G
G
CA
CB
CG2
VAL
VAL
VAL
235
235
235
N
1
B
F
OG
OG
SER
SER
127
127
0.92
1_555
1_554
1
B
C
CE
CD
LYS
LYS
79
170
1.06
1_555
1_655
1
B
C
CD
CD
LYS
LYS
79
170
2.07
1_555
1_655
1
C
G
ND2
CA
ASN
ASN
204
236
2.11
1_555
1_554
1
C
G
CA
ND2
ASN
ASN
236
204
2.11
1_555
1_554
1
B
C
CE
CE
LYS
LYS
79
170
2.12
1_555
1_655
1
B
F
CB
OG
SER
SER
127
127
2.14
1_555
1_554
1
B
F
OG
CB
SER
SER
127
127
2.14
1_555
1_554
1
G
C
O
O
ALA
HOH
243
43
2.16
1_555
1_556
1
C
G
ND2
O
ASN
ASN
204
236
2.18
1_555
1_554
1
C
G
O
ND2
ASN
ASN
236
204
2.18
1_555
1_554
1
B
ASP
35
-81.97
-141.51
1
B
PHE
71
-122.27
-72.76
1
B
SER
75
-27.48
132.09
1
B
SER
77
172.04
127.04
1
B
ALA
86
-100.39
-78.06
1
B
PHE
89
-113.55
79.22
1
B
SER
115
-114.44
-165.12
1
B
SER
119
-176.90
-176.70
1
B
PRO
124
-71.96
-164.03
1
C
THR
174
-38.57
-31.76
1
C
SER
189
-172.85
140.59
1
C
SER
214
-97.21
-77.09
1
F
ASP
35
-81.95
-141.57
1
F
PHE
71
-122.23
-72.78
1
F
SER
75
-27.49
132.16
1
F
SER
77
172.05
127.05
1
F
ALA
86
-100.45
-78.05
1
F
PHE
89
-113.56
79.19
1
F
SER
115
-114.46
-165.23
1
F
SER
119
-176.93
-176.71
1
F
PRO
124
-71.97
-164.03
1
G
THR
174
-38.64
-31.68
1
G
SER
189
-172.88
140.61
1
G
SER
214
-97.26
-77.08
2.0
1
2.0
50
3542
20
0
3472
THE STRUCTURE OF CRYSTALLINE ALPHA-CHYMOTRYPSIN, $V.THE ATOMIC STRUCTURE OF TOSYL-ALPHA-CHYMOTRYPSIN AT 2 ANGSTROMS RESOLUTION
1
N
N
2
N
N
3
N
N
1
N
N
2
N
N
3
N
N
4
N
N
4
N
N
5
N
N
5
N
N
5
N
N
5
N
N
5
N
N
C
SER
164
C
SER
16
HELX_P
MIXED ALPHA-3/10 AFTER TURN 1
C
ILE
176
C
ILE
28
1
H1
13
C
ARG
230
C
ARG
82
HELX_P
CONTIGUOUS WITH H3
C
VAL
235
C
VAL
87
5
H2
6
C
VAL
235
C
VAL
87
HELX_P
CONTIGUOUS WITH H2
C
ASN
245
C
ASN
97
1
H3
11
G
SER
164
F
SER
16
HELX_P
MIXED ALPHA-3/10 AFTER TURN 1
G
ILE
176
F
ILE
28
1
H4
13
G
ARG
230
F
ARG
82
HELX_P
CONTIGUOUS WITH H3
G
VAL
235
F
VAL
87
5
H5
6
G
VAL
235
F
VAL
87
HELX_P
CONTIGUOUS WITH H2
G
ASN
245
F
ASN
97
1
H6
11
disulf
1.822
A
CYS
1
A
SG
CYS
1
1_555
B
CYS
122
B
SG
CYS
107
1_555
disulf
1.815
B
CYS
42
B
SG
CYS
27
1_555
B
CYS
58
B
SG
CYS
43
1_555
disulf
1.814
B
CYS
136
B
SG
CYS
121
1_555
C
CYS
201
C
SG
CYS
53
1_555
disulf
1.799
C
CYS
168
C
SG
CYS
20
1_555
C
CYS
182
C
SG
CYS
34
1_555
disulf
1.818
C
CYS
191
C
SG
CYS
43
1_555
C
CYS
220
C
SG
CYS
72
1_555
disulf
1.822
E
CYS
1
D
SG
CYS
1
1_555
F
CYS
122
E
SG
CYS
107
1_555
disulf
1.815
F
CYS
42
E
SG
CYS
27
1_555
F
CYS
58
E
SG
CYS
43
1_555
disulf
1.814
F
CYS
136
E
SG
CYS
121
1_555
G
CYS
201
F
SG
CYS
53
1_555
disulf
1.800
G
CYS
168
F
SG
CYS
20
1_555
G
CYS
182
F
SG
CYS
34
1_555
disulf
1.817
G
CYS
191
F
SG
CYS
43
1_555
G
CYS
220
F
SG
CYS
72
1_555
HYDROLASE (SERINE PROTEINASE)
HYDROLASE (SERINE PROTEINASE)
given
0.917752
0.000000
0.397154
0.000000
-1.000000
0.000000
0.397154
0.000000
-0.917752
-9.997290
40.380000
48.274330
CTRA_BOVIN
UNP
1
1
P00766
CTRA_BOVIN
UNP
2
16
P00766
CTRA_BOVIN
UNP
3
149
P00766
1
13
2CHA
1
13
P00766
A
1
1
13
16
146
2CHA
16
146
P00766
B
2
1
131
149
245
2CHA
149
245
P00766
C
3
1
97
1
13
2CHA
1
13
P00766
E
1
1
13
16
146
2CHA
16
146
P00766
F
2
1
131
149
245
2CHA
149
245
P00766
G
3
1
97
7
7
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
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
TRP
29
B
TRP
14
B
ASP
35
B
ASP
20
B
PHE
39
B
PHE
24
B
ASN
48
B
ASN
33
B
TRP
51
B
TRP
36
B
THR
54
B
THR
39
B
ILE
103
B
ILE
88
B
LEU
108
B
LEU
93
B
GLN
81
B
GLN
66
B
ASN
91
B
ASN
76
B
VAL
65
B
VAL
50
B
ALA
68
B
ALA
53
B
TRP
29
B
TRP
14
B
ASP
35
B
ASP
20
B
THR
134
B
THR
119
B
GLY
140
B
GLY
125
C
GLN
156
C
GLN
8
C
LEU
163
C
LEU
15
C
ALA
179
C
ALA
31
C
GLY
184
C
GLY
36
C
GLY
226
C
GLY
78
C
VAL
231
C
VAL
83
C
ALA
206
C
ALA
58
C
TRP
215
C
TRP
67
C
GLY
197
C
GLY
49
C
LYS
203
C
LYS
55
B
THR
134
B
THR
119
B
GLY
140
B
GLY
125
F
TRP
29
E
TRP
14
F
ASP
35
E
ASP
20
F
PHE
39
E
PHE
24
F
ASN
48
E
ASN
33
F
TRP
51
E
TRP
36
F
THR
54
E
THR
39
F
ILE
103
E
ILE
88
F
LEU
108
E
LEU
93
F
GLN
81
E
GLN
66
F
ASN
91
E
ASN
76
F
VAL
65
E
VAL
50
F
ALA
68
E
ALA
53
F
TRP
29
E
TRP
14
F
ASP
35
E
ASP
20
F
THR
134
E
THR
119
F
GLY
140
E
GLY
125
G
GLN
156
F
GLN
8
G
LEU
163
F
LEU
15
G
ALA
179
F
ALA
31
G
GLY
184
F
GLY
36
G
GLY
226
F
GLY
78
G
VAL
231
F
VAL
83
G
ALA
206
F
ALA
58
G
TRP
215
F
TRP
67
G
GLY
197
F
GLY
49
G
LYS
203
F
LYS
55
B
THR
134
B
THR
119
B
GLY
140
B
GLY
125
BINDING SITE FOR RESIDUE TSU C 51
C
TSU
51
Software
9
BINDING SITE FOR RESIDUE TSU G 51
G
TSU
51
Software
9
B
HIS
57
B
HIS
42
9
1_555
C
SER
190
C
SER
42
9
1_555
C
CYS
191
C
CYS
43
9
1_555
C
MET
192
C
MET
44
9
1_555
C
GLY
193
C
GLY
45
9
1_555
C
ASP
194
C
ASP
46
9
1_555
C
SER
195
C
SER
47
9
1_555
C
GLY
216
C
GLY
68
9
1_555
F
TYR
146
E
TYR
131
9
1_555
B
TYR
146
B
TYR
131
9
1_555
F
HIS
57
E
HIS
42
9
1_555
G
SER
190
F
SER
42
9
1_555
G
CYS
191
F
CYS
43
9
1_555
G
MET
192
F
MET
44
9
1_555
G
GLY
193
F
GLY
45
9
1_555
G
ASP
194
F
ASP
46
9
1_555
G
SER
195
F
SER
47
9
1_555
G
GLY
216
F
GLY
68
9
1_555
4
P 1 21 1