0.009211
0.000000
0.002379
0.000000
0.012314
0.000000
0.000000
0.000000
0.019382
0.00000
0.00000
0.00000
Xue, X.
Yang, H.
Shen, W.
Zhao, Q.
Li, J.
Rao, Z.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
104.48
90.00
108.566
81.210
53.287
C7 H8 O
108.138
phenylmethanol
non-polymer
C5 H5 N O3
127.098
5-methyl-1,2-oxazole-3-carboxylic acid
peptide-like
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
C9 H14 N2 O3
198.219
(E,4S)-4-azanyl-5-[(3S)-2-oxidanylidenepyrrolidin-3-yl]pent-2-enoic acid
peptide-like
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
C
N
2
N
O
Y
3
N
C
Y
4
N
C
Y
5
N
C
Y
6
N
C
Y
7
N
C
Y
8
N
C
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
H
N
16
N
H
Y
17
N
C
Y
18
N
C
N
19
N
C
Y
20
N
O
Y
21
N
N
Y
22
N
C
N
23
N
C
N
24
N
O
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
O
N
30
N
H
N
31
N
N
N
32
S
C
N
33
N
C
N
34
N
O
N
35
N
C
N
36
N
O
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
N
N
45
S
C
N
46
N
C
N
47
N
O
N
48
N
C
N
49
N
C
N
50
N
C
N
51
N
N
N
52
N
C
N
53
N
N
N
54
N
N
N
55
N
O
N
56
N
H
N
57
N
H
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
N
N
72
S
C
N
73
N
C
N
74
N
O
N
75
N
C
N
76
N
C
N
77
N
O
N
78
N
N
N
79
N
O
N
80
N
H
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
O
N
95
N
O
N
96
N
O
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
R
C
N
106
N
C
N
107
N
O
N
108
N
C
N
109
N
S
N
110
N
O
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
N
N
119
S
C
N
120
N
C
N
121
N
O
N
122
N
C
N
123
N
C
N
124
N
C
N
125
N
O
N
126
N
N
N
127
N
O
N
128
N
H
N
129
N
H
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
H
N
138
N
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
N
143
N
C
N
144
N
C
N
145
N
O
N
146
N
O
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
N
N
158
N
C
N
159
N
C
N
160
N
O
N
161
N
O
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
N
N
168
S
C
N
169
N
C
N
170
N
O
N
171
N
C
Y
172
N
C
Y
173
N
N
Y
174
N
C
Y
175
N
C
Y
176
N
N
N
177
N
O
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
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
O
N
189
N
H
N
190
N
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
S
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
O
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
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
N
N
214
S
C
N
215
N
C
N
216
N
O
N
217
N
C
N
218
N
C
N
219
N
C
N
220
N
C
N
221
N
O
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
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
N
N
236
S
C
N
237
N
C
N
238
N
O
N
239
N
C
N
240
N
C
N
241
N
C
N
242
N
C
N
243
N
N
N
244
N
O
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
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
N
N
261
S
C
N
262
N
C
N
263
N
O
N
264
N
C
N
265
N
C
N
266
N
S
N
267
N
C
N
268
N
O
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
H
N
279
N
H
N
280
N
N
N
281
S
C
N
282
N
C
N
283
N
O
N
284
N
C
Y
285
N
C
Y
286
N
C
Y
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
N
291
N
O
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
S
C
N
304
N
C
N
305
N
C
N
306
N
C
N
307
N
O
N
308
N
C
N
309
S
C
N
310
N
C
N
311
N
C
N
312
N
N
N
313
N
C
N
314
N
O
N
315
N
N
N
316
N
O
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
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
H
N
331
N
N
N
332
S
C
N
333
N
C
N
334
N
O
N
335
N
C
N
336
N
C
N
337
N
C
N
338
N
O
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
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
N
353
N
O
N
354
N
O
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
N
N
363
S
C
N
364
N
C
N
365
N
O
N
366
R
C
N
367
N
O
N
368
N
C
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
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
N
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
Y
392
N
C
N
393
N
O
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
H
N
404
N
H
N
405
N
H
N
406
N
N
N
407
S
C
N
408
N
C
N
409
N
O
N
410
N
C
Y
411
N
C
Y
412
N
C
Y
413
N
C
Y
414
N
C
Y
415
N
C
Y
416
N
C
N
417
N
O
N
418
N
O
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
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
N
N
431
S
C
N
432
N
C
N
433
N
O
N
434
N
C
N
435
N
C
N
436
N
C
N
437
N
O
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
446
N
H
N
447
N
H
N
448
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
Y
6
N
doub
Y
7
N
sing
N
8
N
sing
Y
9
N
doub
N
10
N
sing
Y
11
N
sing
N
12
N
sing
Y
13
N
doub
N
14
N
sing
Y
15
N
sing
N
16
N
sing
Y
17
N
sing
Y
18
N
doub
N
19
N
sing
Y
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
Y
25
N
sing
Y
26
N
doub
N
27
N
sing
N
28
N
doub
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
doub
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
doub
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
doub
N
64
N
sing
N
65
N
sing
N
66
N
sing
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
doub
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
doub
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
sing
N
90
N
sing
N
91
N
doub
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
doub
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
doub
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
sing
N
127
N
doub
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
sing
N
136
N
sing
N
137
N
sing
N
138
N
doub
N
139
N
sing
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
doub
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
doub
N
157
N
sing
N
158
N
sing
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
doub
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
Y
170
N
sing
Y
171
N
doub
Y
172
N
doub
N
173
N
sing
Y
174
N
sing
N
175
N
sing
Y
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
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
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
doub
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
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
sing
N
252
N
sing
N
253
N
sing
N
254
N
doub
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
sing
N
273
N
doub
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
Y
278
N
doub
Y
279
N
sing
Y
280
N
sing
N
281
N
sing
Y
282
N
doub
N
283
N
sing
Y
284
N
doub
N
285
N
sing
Y
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
doub
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
N
300
E
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
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
sing
N
341
N
doub
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
doub
N
355
N
sing
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
sing
N
363
N
sing
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
doub
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
Y
375
N
doub
Y
376
N
sing
Y
377
N
sing
N
378
N
sing
Y
379
N
doub
Y
380
N
sing
Y
381
N
sing
N
382
N
sing
Y
383
N
sing
Y
384
N
doub
N
385
N
sing
Y
386
N
doub
N
387
N
sing
Y
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
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
doub
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
Y
403
N
doub
Y
404
N
sing
Y
405
N
sing
N
406
N
sing
Y
407
N
doub
N
408
N
sing
Y
409
N
doub
N
410
N
sing
Y
411
N
sing
N
412
N
sing
N
413
N
sing
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
doub
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
366
965
975
10.1016/j.jmb.2006.11.073
17189639
Production of authentic SARS-CoV M(pro) with enhanced activity: application as a novel tag-cleavage endopeptidase for protein overproduction
2007
10.2210/pdb2hob/pdb
pdb_00002hob
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
IMAGE PLATE
2006-06-03
MAR scanner 345 mm plate
OSMIC MIRROR
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
33876.637
Replicase polyprotein 1ab
3.4.22.-
3C-like proteinase
1
man
polymer
680.791
N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE
1
syn
polymer
18.015
water
308
nat
water
no
no
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH
SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC
YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH
SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC
YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
A
polypeptide(L)
no
yes
(02J)AVL(PJE)(010)
XAVLXX
B
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Coronavirus
Escherichia
sample
227859
SARS coronavirus
562
Escherichia coli
plasmid
pGEX-6p-1
1
3.36
63.35
VAPOR DIFFUSION, HANGING DROP
6.0
2% polyethylene glycol(PEG) 6000, 3% DMSO, 1mM DTT, 0.1M [2-(N-morpholino)ethanesulfonic acid] (Mes) buffer (pH 6.0), with a protein concentration of 5mg/ml. Inhibitor N3 was dissolved in 7.5% PEG 6000, 6% DMSO, and 0.1M Mes (pH 6.0) with a concentration of 10mM (supersaturation). Then, a 3 micro-l aliquot of such solution was added to the drop, and the crystals were soaked for approximately 2-6 days., VAPOR DIFFUSION, HANGING DROP, temperature 291K
291
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
atom_site
chem_comp_atom
chem_comp_bond
pdbx_validate_main_chain_plane
pdbx_validate_rmsd_angle
struct_conn
repository
Initial release
Version format compliance
Version format compliance
Structure summary
Data collection
Database references
Derived calculations
Refinement description
Atomic model
Data collection
Derived calculations
1
0
2007-04-03
1
1
2008-05-01
1
2
2011-07-13
1
3
2015-12-09
1
4
2023-10-25
2
0
2023-11-15
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_atom_site.auth_atom_id
_atom_site.label_atom_id
_chem_comp_atom.atom_id
_chem_comp_bond.atom_id_1
_chem_comp_bond.atom_id_2
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr2_label_atom_id
RCSB
Y
PDBJ
2006-07-14
REL
REL
HOH
water
32630
synthetic construct
sample
1UK3
PDB
experimental model
Inhibitor
N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE
Peptide-like
TIP
1
3
HOH
HOH
401
A
TIP
2
3
HOH
HOH
402
A
TIP
3
3
HOH
HOH
403
A
TIP
4
3
HOH
HOH
404
A
TIP
5
3
HOH
HOH
405
A
TIP
6
3
HOH
HOH
406
A
TIP
7
3
HOH
HOH
407
A
TIP
8
3
HOH
HOH
408
A
TIP
9
3
HOH
HOH
409
A
TIP
10
3
HOH
HOH
410
A
TIP
11
3
HOH
HOH
411
A
TIP
12
3
HOH
HOH
412
A
TIP
13
3
HOH
HOH
413
A
TIP
14
3
HOH
HOH
414
A
TIP
15
3
HOH
HOH
415
A
TIP
16
3
HOH
HOH
416
A
TIP
17
3
HOH
HOH
417
A
TIP
18
3
HOH
HOH
418
A
TIP
19
3
HOH
HOH
419
A
TIP
20
3
HOH
HOH
420
A
TIP
21
3
HOH
HOH
421
A
TIP
22
3
HOH
HOH
422
A
TIP
23
3
HOH
HOH
423
A
TIP
24
3
HOH
HOH
424
A
TIP
25
3
HOH
HOH
425
A
TIP
26
3
HOH
HOH
426
A
TIP
27
3
HOH
HOH
427
A
TIP
28
3
HOH
HOH
428
A
TIP
29
3
HOH
HOH
429
A
TIP
30
3
HOH
HOH
430
A
TIP
31
3
HOH
HOH
431
A
TIP
32
3
HOH
HOH
432
A
TIP
33
3
HOH
HOH
433
A
TIP
34
3
HOH
HOH
434
A
TIP
35
3
HOH
HOH
435
A
TIP
36
3
HOH
HOH
436
A
TIP
37
3
HOH
HOH
437
A
TIP
38
3
HOH
HOH
438
A
TIP
39
3
HOH
HOH
439
A
TIP
40
3
HOH
HOH
440
A
TIP
41
3
HOH
HOH
441
A
TIP
42
3
HOH
HOH
442
A
TIP
43
3
HOH
HOH
443
A
TIP
44
3
HOH
HOH
444
A
TIP
45
3
HOH
HOH
445
A
TIP
46
3
HOH
HOH
446
A
TIP
47
3
HOH
HOH
447
A
TIP
48
3
HOH
HOH
448
A
TIP
49
3
HOH
HOH
449
A
TIP
50
3
HOH
HOH
450
A
TIP
51
3
HOH
HOH
451
A
TIP
52
3
HOH
HOH
452
A
TIP
53
3
HOH
HOH
453
A
TIP
54
3
HOH
HOH
454
A
TIP
55
3
HOH
HOH
455
A
TIP
56
3
HOH
HOH
456
A
TIP
57
3
HOH
HOH
457
A
TIP
58
3
HOH
HOH
458
A
TIP
59
3
HOH
HOH
459
A
TIP
60
3
HOH
HOH
460
A
TIP
61
3
HOH
HOH
461
A
TIP
62
3
HOH
HOH
462
A
TIP
63
3
HOH
HOH
463
A
TIP
64
3
HOH
HOH
464
A
TIP
65
3
HOH
HOH
465
A
TIP
66
3
HOH
HOH
466
A
TIP
67
3
HOH
HOH
467
A
TIP
68
3
HOH
HOH
468
A
TIP
69
3
HOH
HOH
469
A
TIP
70
3
HOH
HOH
470
A
TIP
71
3
HOH
HOH
471
A
TIP
72
3
HOH
HOH
472
A
TIP
74
3
HOH
HOH
473
A
TIP
75
3
HOH
HOH
474
A
TIP
76
3
HOH
HOH
475
A
TIP
77
3
HOH
HOH
476
A
TIP
78
3
HOH
HOH
477
A
TIP
79
3
HOH
HOH
478
A
TIP
80
3
HOH
HOH
479
A
TIP
81
3
HOH
HOH
480
A
TIP
82
3
HOH
HOH
481
A
TIP
83
3
HOH
HOH
482
A
TIP
84
3
HOH
HOH
483
A
TIP
85
3
HOH
HOH
484
A
TIP
86
3
HOH
HOH
485
A
TIP
87
3
HOH
HOH
486
A
TIP
88
3
HOH
HOH
487
A
TIP
89
3
HOH
HOH
488
A
TIP
90
3
HOH
HOH
489
A
TIP
91
3
HOH
HOH
490
A
TIP
92
3
HOH
HOH
491
A
TIP
93
3
HOH
HOH
492
A
TIP
94
3
HOH
HOH
493
A
TIP
95
3
HOH
HOH
494
A
TIP
96
3
HOH
HOH
495
A
TIP
97
3
HOH
HOH
496
A
TIP
98
3
HOH
HOH
497
A
TIP
99
3
HOH
HOH
498
A
TIP
100
3
HOH
HOH
499
A
TIP
101
3
HOH
HOH
500
A
TIP
102
3
HOH
HOH
501
A
TIP
103
3
HOH
HOH
502
A
TIP
104
3
HOH
HOH
503
A
TIP
105
3
HOH
HOH
504
A
TIP
106
3
HOH
HOH
505
A
TIP
107
3
HOH
HOH
506
A
TIP
108
3
HOH
HOH
507
A
TIP
109
3
HOH
HOH
508
A
TIP
110
3
HOH
HOH
509
A
TIP
111
3
HOH
HOH
510
A
TIP
112
3
HOH
HOH
511
A
TIP
114
3
HOH
HOH
512
A
TIP
115
3
HOH
HOH
513
A
TIP
117
3
HOH
HOH
514
A
TIP
118
3
HOH
HOH
515
A
TIP
119
3
HOH
HOH
516
A
TIP
120
3
HOH
HOH
517
A
TIP
121
3
HOH
HOH
518
A
TIP
122
3
HOH
HOH
519
A
TIP
123
3
HOH
HOH
520
A
TIP
124
3
HOH
HOH
521
A
TIP
125
3
HOH
HOH
522
A
TIP
126
3
HOH
HOH
523
A
TIP
127
3
HOH
HOH
524
A
TIP
128
3
HOH
HOH
525
A
TIP
129
3
HOH
HOH
526
A
TIP
130
3
HOH
HOH
527
A
TIP
131
3
HOH
HOH
528
A
TIP
133
3
HOH
HOH
529
A
TIP
134
3
HOH
HOH
530
A
TIP
135
3
HOH
HOH
531
A
TIP
136
3
HOH
HOH
532
A
TIP
137
3
HOH
HOH
533
A
TIP
138
3
HOH
HOH
534
A
TIP
139
3
HOH
HOH
535
A
TIP
140
3
HOH
HOH
536
A
TIP
141
3
HOH
HOH
537
A
TIP
142
3
HOH
HOH
538
A
TIP
143
3
HOH
HOH
539
A
TIP
144
3
HOH
HOH
540
A
TIP
145
3
HOH
HOH
541
A
TIP
146
3
HOH
HOH
542
A
TIP
147
3
HOH
HOH
543
A
TIP
148
3
HOH
HOH
544
A
TIP
149
3
HOH
HOH
545
A
TIP
150
3
HOH
HOH
546
A
TIP
152
3
HOH
HOH
547
A
TIP
154
3
HOH
HOH
548
A
TIP
155
3
HOH
HOH
549
A
TIP
156
3
HOH
HOH
550
A
TIP
157
3
HOH
HOH
551
A
TIP
158
3
HOH
HOH
552
A
TIP
159
3
HOH
HOH
553
A
TIP
160
3
HOH
HOH
554
A
TIP
161
3
HOH
HOH
555
A
TIP
162
3
HOH
HOH
556
A
TIP
164
3
HOH
HOH
557
A
TIP
165
3
HOH
HOH
558
A
TIP
166
3
HOH
HOH
559
A
TIP
167
3
HOH
HOH
560
A
TIP
168
3
HOH
HOH
561
A
TIP
169
3
HOH
HOH
562
A
TIP
171
3
HOH
HOH
563
A
TIP
172
3
HOH
HOH
564
A
TIP
174
3
HOH
HOH
565
A
TIP
175
3
HOH
HOH
566
A
TIP
176
3
HOH
HOH
567
A
TIP
177
3
HOH
HOH
568
A
TIP
178
3
HOH
HOH
569
A
TIP
179
3
HOH
HOH
570
A
TIP
181
3
HOH
HOH
571
A
TIP
182
3
HOH
HOH
572
A
TIP
183
3
HOH
HOH
573
A
TIP
184
3
HOH
HOH
574
A
TIP
185
3
HOH
HOH
575
A
TIP
186
3
HOH
HOH
576
A
TIP
187
3
HOH
HOH
577
A
TIP
188
3
HOH
HOH
578
A
TIP
190
3
HOH
HOH
579
A
TIP
191
3
HOH
HOH
580
A
TIP
192
3
HOH
HOH
581
A
TIP
193
3
HOH
HOH
582
A
TIP
194
3
HOH
HOH
583
A
TIP
195
3
HOH
HOH
584
A
TIP
196
3
HOH
HOH
585
A
TIP
197
3
HOH
HOH
586
A
TIP
198
3
HOH
HOH
587
A
TIP
199
3
HOH
HOH
588
A
TIP
200
3
HOH
HOH
589
A
TIP
201
3
HOH
HOH
590
A
TIP
202
3
HOH
HOH
591
A
TIP
203
3
HOH
HOH
592
A
TIP
205
3
HOH
HOH
593
A
TIP
207
3
HOH
HOH
594
A
TIP
208
3
HOH
HOH
595
A
TIP
209
3
HOH
HOH
596
A
TIP
210
3
HOH
HOH
597
A
TIP
211
3
HOH
HOH
598
A
TIP
212
3
HOH
HOH
599
A
TIP
213
3
HOH
HOH
600
A
TIP
214
3
HOH
HOH
601
A
TIP
215
3
HOH
HOH
602
A
TIP
216
3
HOH
HOH
603
A
TIP
217
3
HOH
HOH
604
A
TIP
218
3
HOH
HOH
605
A
TIP
219
3
HOH
HOH
606
A
TIP
220
3
HOH
HOH
607
A
TIP
221
3
HOH
HOH
608
A
TIP
222
3
HOH
HOH
609
A
TIP
224
3
HOH
HOH
610
A
TIP
225
3
HOH
HOH
611
A
TIP
226
3
HOH
HOH
612
A
TIP
227
3
HOH
HOH
613
A
TIP
229
3
HOH
HOH
614
A
TIP
230
3
HOH
HOH
615
A
TIP
231
3
HOH
HOH
616
A
TIP
233
3
HOH
HOH
617
A
TIP
235
3
HOH
HOH
618
A
TIP
238
3
HOH
HOH
619
A
TIP
239
3
HOH
HOH
620
A
TIP
240
3
HOH
HOH
621
A
TIP
241
3
HOH
HOH
622
A
TIP
242
3
HOH
HOH
623
A
TIP
243
3
HOH
HOH
624
A
TIP
244
3
HOH
HOH
625
A
TIP
245
3
HOH
HOH
626
A
TIP
246
3
HOH
HOH
627
A
TIP
247
3
HOH
HOH
628
A
TIP
248
3
HOH
HOH
629
A
TIP
249
3
HOH
HOH
630
A
TIP
250
3
HOH
HOH
631
A
TIP
251
3
HOH
HOH
632
A
TIP
252
3
HOH
HOH
633
A
TIP
253
3
HOH
HOH
634
A
TIP
254
3
HOH
HOH
635
A
TIP
255
3
HOH
HOH
636
A
TIP
256
3
HOH
HOH
637
A
TIP
257
3
HOH
HOH
638
A
TIP
258
3
HOH
HOH
639
A
TIP
261
3
HOH
HOH
640
A
TIP
262
3
HOH
HOH
641
A
TIP
263
3
HOH
HOH
642
A
TIP
265
3
HOH
HOH
643
A
TIP
266
3
HOH
HOH
644
A
TIP
268
3
HOH
HOH
645
A
TIP
269
3
HOH
HOH
646
A
TIP
270
3
HOH
HOH
647
A
TIP
271
3
HOH
HOH
648
A
TIP
272
3
HOH
HOH
649
A
TIP
273
3
HOH
HOH
650
A
TIP
274
3
HOH
HOH
651
A
TIP
275
3
HOH
HOH
652
A
TIP
276
3
HOH
HOH
653
A
TIP
277
3
HOH
HOH
654
A
TIP
278
3
HOH
HOH
655
A
TIP
280
3
HOH
HOH
656
A
TIP
281
3
HOH
HOH
657
A
TIP
282
3
HOH
HOH
658
A
TIP
283
3
HOH
HOH
659
A
TIP
285
3
HOH
HOH
660
A
TIP
286
3
HOH
HOH
661
A
TIP
287
3
HOH
HOH
662
A
TIP
290
3
HOH
HOH
663
A
TIP
291
3
HOH
HOH
664
A
TIP
292
3
HOH
HOH
665
A
TIP
293
3
HOH
HOH
666
A
TIP
294
3
HOH
HOH
667
A
TIP
295
3
HOH
HOH
668
A
TIP
296
3
HOH
HOH
669
A
TIP
297
3
HOH
HOH
670
A
TIP
298
3
HOH
HOH
671
A
TIP
299
3
HOH
HOH
672
A
TIP
300
3
HOH
HOH
673
A
TIP
303
3
HOH
HOH
674
A
TIP
304
3
HOH
HOH
675
A
TIP
305
3
HOH
HOH
676
A
TIP
306
3
HOH
HOH
677
A
TIP
307
3
HOH
HOH
678
A
TIP
308
3
HOH
HOH
679
A
TIP
309
3
HOH
HOH
680
A
TIP
310
3
HOH
HOH
681
A
TIP
311
3
HOH
HOH
682
A
TIP
312
3
HOH
HOH
683
A
TIP
314
3
HOH
HOH
684
A
TIP
315
3
HOH
HOH
685
A
TIP
316
3
HOH
HOH
686
A
TIP
317
3
HOH
HOH
687
A
TIP
320
3
HOH
HOH
688
A
TIP
321
3
HOH
HOH
689
A
TIP
323
3
HOH
HOH
690
A
TIP
325
3
HOH
HOH
691
A
TIP
326
3
HOH
HOH
692
A
TIP
327
3
HOH
HOH
693
A
TIP
331
3
HOH
HOH
694
A
TIP
332
3
HOH
HOH
695
A
TIP
334
3
HOH
HOH
696
A
TIP
335
3
HOH
HOH
697
A
TIP
336
3
HOH
HOH
698
A
TIP
337
3
HOH
HOH
699
A
TIP
338
3
HOH
HOH
700
A
TIP
339
3
HOH
HOH
701
A
TIP
340
3
HOH
HOH
702
A
TIP
341
3
HOH
HOH
703
A
TIP
342
3
HOH
HOH
704
A
TIP
343
3
HOH
HOH
705
A
TIP
344
3
HOH
HOH
706
A
TIP
347
3
HOH
HOH
707
A
TIP
206
3
HOH
HOH
101
B
SER
1
n
1
SER
1
A
GLY
2
n
2
GLY
2
A
PHE
3
n
3
PHE
3
A
ARG
4
n
4
ARG
4
A
LYS
5
n
5
LYS
5
A
MET
6
n
6
MET
6
A
ALA
7
n
7
ALA
7
A
PHE
8
n
8
PHE
8
A
PRO
9
n
9
PRO
9
A
SER
10
n
10
SER
10
A
GLY
11
n
11
GLY
11
A
LYS
12
n
12
LYS
12
A
VAL
13
n
13
VAL
13
A
GLU
14
n
14
GLU
14
A
GLY
15
n
15
GLY
15
A
CYS
16
n
16
CYS
16
A
MET
17
n
17
MET
17
A
VAL
18
n
18
VAL
18
A
GLN
19
n
19
GLN
19
A
VAL
20
n
20
VAL
20
A
THR
21
n
21
THR
21
A
CYS
22
n
22
CYS
22
A
GLY
23
n
23
GLY
23
A
THR
24
n
24
THR
24
A
THR
25
n
25
THR
25
A
THR
26
n
26
THR
26
A
LEU
27
n
27
LEU
27
A
ASN
28
n
28
ASN
28
A
GLY
29
n
29
GLY
29
A
LEU
30
n
30
LEU
30
A
TRP
31
n
31
TRP
31
A
LEU
32
n
32
LEU
32
A
ASP
33
n
33
ASP
33
A
ASP
34
n
34
ASP
34
A
THR
35
n
35
THR
35
A
VAL
36
n
36
VAL
36
A
TYR
37
n
37
TYR
37
A
CYS
38
n
38
CYS
38
A
PRO
39
n
39
PRO
39
A
ARG
40
n
40
ARG
40
A
HIS
41
n
41
HIS
41
A
VAL
42
n
42
VAL
42
A
ILE
43
n
43
ILE
43
A
CYS
44
n
44
CYS
44
A
THR
45
n
45
THR
45
A
ALA
46
n
46
ALA
46
A
GLU
47
n
47
GLU
47
A
ASP
48
n
48
ASP
48
A
MET
49
n
49
MET
49
A
LEU
50
n
50
LEU
50
A
ASN
51
n
51
ASN
51
A
PRO
52
n
52
PRO
52
A
ASN
53
n
53
ASN
53
A
TYR
54
n
54
TYR
54
A
GLU
55
n
55
GLU
55
A
ASP
56
n
56
ASP
56
A
LEU
57
n
57
LEU
57
A
LEU
58
n
58
LEU
58
A
ILE
59
n
59
ILE
59
A
ARG
60
n
60
ARG
60
A
LYS
61
n
61
LYS
61
A
SER
62
n
62
SER
62
A
ASN
63
n
63
ASN
63
A
HIS
64
n
64
HIS
64
A
SER
65
n
65
SER
65
A
PHE
66
n
66
PHE
66
A
LEU
67
n
67
LEU
67
A
VAL
68
n
68
VAL
68
A
GLN
69
n
69
GLN
69
A
ALA
70
n
70
ALA
70
A
GLY
71
n
71
GLY
71
A
ASN
72
n
72
ASN
72
A
VAL
73
n
73
VAL
73
A
GLN
74
n
74
GLN
74
A
LEU
75
n
75
LEU
75
A
ARG
76
n
76
ARG
76
A
VAL
77
n
77
VAL
77
A
ILE
78
n
78
ILE
78
A
GLY
79
n
79
GLY
79
A
HIS
80
n
80
HIS
80
A
SER
81
n
81
SER
81
A
MET
82
n
82
MET
82
A
GLN
83
n
83
GLN
83
A
ASN
84
n
84
ASN
84
A
CYS
85
n
85
CYS
85
A
LEU
86
n
86
LEU
86
A
LEU
87
n
87
LEU
87
A
ARG
88
n
88
ARG
88
A
LEU
89
n
89
LEU
89
A
LYS
90
n
90
LYS
90
A
VAL
91
n
91
VAL
91
A
ASP
92
n
92
ASP
92
A
THR
93
n
93
THR
93
A
SER
94
n
94
SER
94
A
ASN
95
n
95
ASN
95
A
PRO
96
n
96
PRO
96
A
LYS
97
n
97
LYS
97
A
THR
98
n
98
THR
98
A
PRO
99
n
99
PRO
99
A
LYS
100
n
100
LYS
100
A
TYR
101
n
101
TYR
101
A
LYS
102
n
102
LYS
102
A
PHE
103
n
103
PHE
103
A
VAL
104
n
104
VAL
104
A
ARG
105
n
105
ARG
105
A
ILE
106
n
106
ILE
106
A
GLN
107
n
107
GLN
107
A
PRO
108
n
108
PRO
108
A
GLY
109
n
109
GLY
109
A
GLN
110
n
110
GLN
110
A
THR
111
n
111
THR
111
A
PHE
112
n
112
PHE
112
A
SER
113
n
113
SER
113
A
VAL
114
n
114
VAL
114
A
LEU
115
n
115
LEU
115
A
ALA
116
n
116
ALA
116
A
CYS
117
n
117
CYS
117
A
TYR
118
n
118
TYR
118
A
ASN
119
n
119
ASN
119
A
GLY
120
n
120
GLY
120
A
SER
121
n
121
SER
121
A
PRO
122
n
122
PRO
122
A
SER
123
n
123
SER
123
A
GLY
124
n
124
GLY
124
A
VAL
125
n
125
VAL
125
A
TYR
126
n
126
TYR
126
A
GLN
127
n
127
GLN
127
A
CYS
128
n
128
CYS
128
A
ALA
129
n
129
ALA
129
A
MET
130
n
130
MET
130
A
ARG
131
n
131
ARG
131
A
PRO
132
n
132
PRO
132
A
ASN
133
n
133
ASN
133
A
HIS
134
n
134
HIS
134
A
THR
135
n
135
THR
135
A
ILE
136
n
136
ILE
136
A
LYS
137
n
137
LYS
137
A
GLY
138
n
138
GLY
138
A
SER
139
n
139
SER
139
A
PHE
140
n
140
PHE
140
A
LEU
141
n
141
LEU
141
A
ASN
142
n
142
ASN
142
A
GLY
143
n
143
GLY
143
A
SER
144
n
144
SER
144
A
CYS
145
n
145
CYS
145
A
GLY
146
n
146
GLY
146
A
SER
147
n
147
SER
147
A
VAL
148
n
148
VAL
148
A
GLY
149
n
149
GLY
149
A
PHE
150
n
150
PHE
150
A
ASN
151
n
151
ASN
151
A
ILE
152
n
152
ILE
152
A
ASP
153
n
153
ASP
153
A
TYR
154
n
154
TYR
154
A
ASP
155
n
155
ASP
155
A
CYS
156
n
156
CYS
156
A
VAL
157
n
157
VAL
157
A
SER
158
n
158
SER
158
A
PHE
159
n
159
PHE
159
A
CYS
160
n
160
CYS
160
A
TYR
161
n
161
TYR
161
A
MET
162
n
162
MET
162
A
HIS
163
n
163
HIS
163
A
HIS
164
n
164
HIS
164
A
MET
165
n
165
MET
165
A
GLU
166
n
166
GLU
166
A
LEU
167
n
167
LEU
167
A
PRO
168
n
168
PRO
168
A
THR
169
n
169
THR
169
A
GLY
170
n
170
GLY
170
A
VAL
171
n
171
VAL
171
A
HIS
172
n
172
HIS
172
A
ALA
173
n
173
ALA
173
A
GLY
174
n
174
GLY
174
A
THR
175
n
175
THR
175
A
ASP
176
n
176
ASP
176
A
LEU
177
n
177
LEU
177
A
GLU
178
n
178
GLU
178
A
GLY
179
n
179
GLY
179
A
LYS
180
n
180
LYS
180
A
PHE
181
n
181
PHE
181
A
TYR
182
n
182
TYR
182
A
GLY
183
n
183
GLY
183
A
PRO
184
n
184
PRO
184
A
PHE
185
n
185
PHE
185
A
VAL
186
n
186
VAL
186
A
ASP
187
n
187
ASP
187
A
ARG
188
n
188
ARG
188
A
GLN
189
n
189
GLN
189
A
THR
190
n
190
THR
190
A
ALA
191
n
191
ALA
191
A
GLN
192
n
192
GLN
192
A
ALA
193
n
193
ALA
193
A
ALA
194
n
194
ALA
194
A
GLY
195
n
195
GLY
195
A
THR
196
n
196
THR
196
A
ASP
197
n
197
ASP
197
A
THR
198
n
198
THR
198
A
THR
199
n
199
THR
199
A
ILE
200
n
200
ILE
200
A
THR
201
n
201
THR
201
A
LEU
202
n
202
LEU
202
A
ASN
203
n
203
ASN
203
A
VAL
204
n
204
VAL
204
A
LEU
205
n
205
LEU
205
A
ALA
206
n
206
ALA
206
A
TRP
207
n
207
TRP
207
A
LEU
208
n
208
LEU
208
A
TYR
209
n
209
TYR
209
A
ALA
210
n
210
ALA
210
A
ALA
211
n
211
ALA
211
A
VAL
212
n
212
VAL
212
A
ILE
213
n
213
ILE
213
A
ASN
214
n
214
ASN
214
A
GLY
215
n
215
GLY
215
A
ASP
216
n
216
ASP
216
A
ARG
217
n
217
ARG
217
A
TRP
218
n
218
TRP
218
A
PHE
219
n
219
PHE
219
A
LEU
220
n
220
LEU
220
A
ASN
221
n
221
ASN
221
A
ARG
222
n
222
ARG
222
A
PHE
223
n
223
PHE
223
A
THR
224
n
224
THR
224
A
THR
225
n
225
THR
225
A
THR
226
n
226
THR
226
A
LEU
227
n
227
LEU
227
A
ASN
228
n
228
ASN
228
A
ASP
229
n
229
ASP
229
A
PHE
230
n
230
PHE
230
A
ASN
231
n
231
ASN
231
A
LEU
232
n
232
LEU
232
A
VAL
233
n
233
VAL
233
A
ALA
234
n
234
ALA
234
A
MET
235
n
235
MET
235
A
LYS
236
n
236
LYS
236
A
TYR
237
n
237
TYR
237
A
ASN
238
n
238
ASN
238
A
TYR
239
n
239
TYR
239
A
GLU
240
n
240
GLU
240
A
PRO
241
n
241
PRO
241
A
LEU
242
n
242
LEU
242
A
THR
243
n
243
THR
243
A
GLN
244
n
244
GLN
244
A
ASP
245
n
245
ASP
245
A
HIS
246
n
246
HIS
246
A
VAL
247
n
247
VAL
247
A
ASP
248
n
248
ASP
248
A
ILE
249
n
249
ILE
249
A
LEU
250
n
250
LEU
250
A
GLY
251
n
251
GLY
251
A
PRO
252
n
252
PRO
252
A
LEU
253
n
253
LEU
253
A
SER
254
n
254
SER
254
A
ALA
255
n
255
ALA
255
A
GLN
256
n
256
GLN
256
A
THR
257
n
257
THR
257
A
GLY
258
n
258
GLY
258
A
ILE
259
n
259
ILE
259
A
ALA
260
n
260
ALA
260
A
VAL
261
n
261
VAL
261
A
LEU
262
n
262
LEU
262
A
ASP
263
n
263
ASP
263
A
MET
264
n
264
MET
264
A
CYS
265
n
265
CYS
265
A
ALA
266
n
266
ALA
266
A
ALA
267
n
267
ALA
267
A
LEU
268
n
268
LEU
268
A
LYS
269
n
269
LYS
269
A
GLU
270
n
270
GLU
270
A
LEU
271
n
271
LEU
271
A
LEU
272
n
272
LEU
272
A
GLN
273
n
273
GLN
273
A
ASN
274
n
274
ASN
274
A
GLY
275
n
275
GLY
275
A
MET
276
n
276
MET
276
A
ASN
277
n
277
ASN
277
A
GLY
278
n
278
GLY
278
A
ARG
279
n
279
ARG
279
A
THR
280
n
280
THR
280
A
ILE
281
n
281
ILE
281
A
LEU
282
n
282
LEU
282
A
GLY
283
n
283
GLY
283
A
SER
284
n
284
SER
284
A
THR
285
n
285
THR
285
A
ILE
286
n
286
ILE
286
A
LEU
287
n
287
LEU
287
A
GLU
288
n
288
GLU
288
A
ASP
289
n
289
ASP
289
A
GLU
290
n
290
GLU
290
A
PHE
291
n
291
PHE
291
A
THR
292
n
292
THR
292
A
PRO
293
n
293
PRO
293
A
PHE
294
n
294
PHE
294
A
ASP
295
n
295
ASP
295
A
VAL
296
n
296
VAL
296
A
VAL
297
n
297
VAL
297
A
ARG
298
n
298
ARG
298
A
GLN
299
n
299
GLN
299
A
CYS
300
n
300
CYS
300
A
SER
301
n
301
SER
301
A
GLY
302
n
302
GLY
302
A
VAL
303
n
303
VAL
303
A
THR
304
n
304
THR
304
A
PHE
305
n
305
PHE
305
A
GLN
306
n
306
GLN
306
A
3IH
1145
n
1
02J
1
B
3IH
1145
n
2
ALA
2
B
3IH
1145
n
3
VAL
3
B
3IH
1145
n
4
LEU
4
B
3IH
1145
n
5
PJE
5
B
3IH
1145
n
6
010
6
B
author_defined_assembly
4
tetrameric
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
2_659
-x+1,y,-z+4
crystal symmetry operation
55.2700389324
0.0000000000
206.3773496241
A
O
LEU
75
A
O
LEU
75
A
N
VAL
68
A
N
VAL
68
A
O
LEU
67
A
O
LEU
67
A
N
THR
21
A
N
THR
21
A
N
VAL
20
A
N
VAL
20
A
O
LEU
27
A
O
LEU
27
A
N
LEU
30
A
N
LEU
30
A
O
TYR
37
A
O
TYR
37
A
N
VAL
36
A
N
VAL
36
A
O
LEU
89
A
O
LEU
89
A
O
ARG
88
A
O
ARG
88
A
N
SER
81
A
N
SER
81
A
N
LYS
100
A
N
LYS
100
A
O
VAL
157
A
O
VAL
157
A
O
SER
158
A
O
SER
158
A
N
ASN
151
A
N
ASN
151
A
O
PHE
150
A
O
PHE
150
A
N
SER
113
A
N
SER
113
A
N
ALA
116
A
N
ALA
116
A
O
SER
123
A
O
SER
123
A
N
LYS
100
A
N
LYS
100
A
O
VAL
157
A
O
VAL
157
A
N
MET
165
A
N
MET
165
A
O
ALA
173
A
O
ALA
173
1
A
HOH
464
C
HOH
1
B
02J
1
-10.07
1
-14.61
2.20
117.20
102.59
B
B
B
CA
C
N
02J
02J
ALA
1
1
2
Y
1
-16.40
2.20
117.20
100.80
B
B
B
CA
C
N
ALA
ALA
VAL
2
2
3
Y
1
15.55
1.60
122.70
138.25
B
B
B
O
C
N
ALA
ALA
VAL
2
2
3
Y
1
A
A
CB
SG
CYS
CYS
128
128
-0.106
0.016
1.812
1.706
N
1
B
B
C
N
ALA
VAL
2
3
0.243
0.023
1.336
1.579
Y
1
A
ASP
33
55.48
-123.11
1
A
ASN
84
55.67
-121.18
1
A
TYR
154
59.10
-109.26
0.221
0.202
0.224
0.205
1.95
50.0
2938
32731
29940
RANDOM
1
0
MOLECULAR REPLACEMENT
1UK3
Engh & Huber
1.95
50.0
308
2728
0
0
2420
0.015
1.83
1.95
50.0
2HOB
32068
1
99.6
1.95
2.02
1
97.9
refinement
CNS
data reduction
HKL-2000
data scaling
HKL-2000
phasing
CNS
Crystal structure of SARS-CoV main protease with authentic N and C-termini in complex with a Michael acceptor N3
1
N
N
2
N
N
3
N
N
3
N
N
The crystal belongs to space group C2, and each asymmetric unit contains only one protomer of a typical dimer. The two protomers in the dimer are related by the crystallographic 2-fold symmetry axis.
A
SER
10
A
SER
10
HELX_P
A
GLY
15
A
GLY
15
1
1
6
A
HIS
41
A
HIS
41
HELX_P
A
CYS
44
A
CYS
44
5
2
4
A
ASN
53
A
ASN
53
HELX_P
A
ARG
60
A
ARG
60
1
3
8
A
SER
62
A
SER
62
HELX_P
A
HIS
64
A
HIS
64
5
4
3
A
ILE
200
A
ILE
200
HELX_P
A
ASN
214
A
ASN
214
1
5
15
A
THR
226
A
THR
226
HELX_P
A
TYR
237
A
TYR
237
1
6
12
A
THR
243
A
THR
243
HELX_P
A
LEU
250
A
LEU
250
1
7
8
A
LEU
250
A
LEU
250
HELX_P
A
GLY
258
A
GLY
258
1
8
9
A
ALA
260
A
ALA
260
HELX_P
A
GLY
275
A
GLY
275
1
9
16
A
THR
292
A
THR
292
HELX_P
A
CYS
300
A
CYS
300
1
10
9
covale
1.672
none
A
CYS
145
A
SG
CYS
145
1_555
B
PJE
5
B
C20
PJE
5
1_555
covale
1.375
both
B
02J
1
B
C
02J
1
1_555
B
ALA
2
B
N
ALA
2
1_555
covale
1.353
both
B
LEU
4
B
C
LEU
4
1_555
B
PJE
5
B
N
PJE
5
1_555
covale
1.340
both
B
PJE
5
B
C
PJE
5
1_555
B
010
6
B
O
010
6
1_555
VIRAL PROTEIN
SARS-CoV, main protease, michael acceptor N3, VIRAL PROTEIN
R1AB_CVHSA
UNP
1
3241
P59641
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH
SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC
YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
2HOB
PDB
2
2HOB
3241
3546
2HOB
1
306
P59641
A
1
1
306
1
6
2HOB
1
6
2HOB
B
2
1
6
7
5
3
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
A
VAL
73
A
VAL
73
A
LEU
75
A
LEU
75
A
PHE
66
A
PHE
66
A
ALA
70
A
ALA
70
A
MET
17
A
MET
17
A
CYS
22
A
CYS
22
A
THR
25
A
THR
25
A
LEU
32
A
LEU
32
A
THR
35
A
THR
35
A
PRO
39
A
PRO
39
A
LEU
86
A
LEU
86
A
VAL
91
A
VAL
91
A
VAL
77
A
VAL
77
A
GLN
83
A
GLN
83
A
LYS
100
A
LYS
100
A
PHE
103
A
PHE
103
A
CYS
156
A
CYS
156
A
GLU
166
A
GLU
166
A
VAL
148
A
VAL
148
A
ASP
153
A
ASP
153
A
THR
111
A
THR
111
A
TYR
118
A
TYR
118
A
SER
121
A
SER
121
A
ALA
129
A
ALA
129
A
LYS
100
A
LYS
100
A
PHE
103
A
PHE
103
A
CYS
156
A
CYS
156
A
GLU
166
A
GLU
166
A
HIS
172
A
HIS
172
A
THR
175
A
THR
175
BINDING SITE FOR CHAIN B OF N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~- ((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3- YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE
Software
22
A
THR
25
A
THR
25
22
1_555
A
THR
26
A
THR
26
22
1_555
A
HIS
41
A
HIS
41
22
1_555
A
MET
49
A
MET
49
22
1_555
A
PHE
140
A
PHE
140
22
1_555
A
ASN
142
A
ASN
142
22
1_555
A
GLY
143
A
GLY
143
22
1_555
A
SER
144
A
SER
144
22
1_555
A
CYS
145
A
CYS
145
22
1_555
A
HIS
163
A
HIS
163
22
1_555
A
HIS
164
A
HIS
164
22
1_555
A
MET
165
A
MET
165
22
1_555
A
GLU
166
A
GLU
166
22
1_555
A
PRO
168
A
PRO
168
22
1_555
A
HIS
172
A
HIS
172
22
1_555
A
GLN
189
A
GLN
189
22
1_555
A
THR
190
A
THR
190
22
1_555
A
ALA
191
A
ALA
191
22
1_555
A
GLN
192
A
GLN
192
22
1_555
A
HOH
568
C
HOH
22
1_555
A
HOH
662
C
HOH
22
1_555
B
HOH
101
D
HOH
22
1_555
5
C 1 2 1