0.019457
0.004981
0.012301
0.000000
0.020102
0.012382
0.000000
0.000000
0.024649
0.00000
0.00000
0.00000
Zhong, N.
Zhang, S.
Xue, F.
Kang, X.
Lou, Z.
Xia, B.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
112.22
112.00
104.36
51.395
51.350
51.390
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
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
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
Y
357
N
C
Y
358
N
C
N
359
N
O
N
360
N
O
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
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
N
N
373
S
C
N
374
N
C
N
375
N
O
N
376
N
C
N
377
N
C
N
378
N
C
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
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
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
doub
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
Y
345
N
doub
Y
346
N
sing
Y
347
N
sing
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
351
N
doub
N
352
N
sing
Y
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
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
doub
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
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
US
PROTEIN SCI.
PRCIEI
0795
0961-8368
18
839
844
10.1002/pro.76
19319935
C-terminal domain of SARS-CoV main protease can form a 3D domain-swapped dimer
2009
10.2210/pdb3ebn/pdb
pdb_00003ebn
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
osmic mirror
IMAGE PLATE
2007-12-07
RIGAKU RAXIS IV++
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU MICROMAX-007
13010.697
Replicase polyprotein 1ab
3.4.22.-
UNP residues 3429-3546
4
man
polymer
18.015
water
59
nat
water
pp1ab, ORF1ab polyprotein, 3C-like proteinase, 3CL-PRO, 3CLp, nsp5
no
no
QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL
KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL
KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
A,B,C,D
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
SARS-CoV
sample
rep, 1a-1b
227859
SARS coronavirus
562
Escherichia coli
Rosetta
plasmid
pET-21a
1
1.99
38.28
VAPOR DIFFUSION, SITTING DROP
5.5
25% PEG3350, pH5.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K
289
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Data collection
Database references
Refinement description
1
0
2009-05-19
1
1
2011-07-13
1
2
2023-11-01
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
RCSB
Y
PDBJ
2008-08-28
REL
REL
HOH
water
1UK2
PDB ENTRY 1UK2
PDB
experimental model
HOH
8
2
HOH
HOH
8
A
HOH
14
2
HOH
HOH
14
A
HOH
15
2
HOH
HOH
15
A
HOH
24
2
HOH
HOH
24
A
HOH
26
2
HOH
HOH
26
A
HOH
28
2
HOH
HOH
28
A
HOH
32
2
HOH
HOH
32
A
HOH
36
2
HOH
HOH
36
A
HOH
42
2
HOH
HOH
42
A
HOH
44
2
HOH
HOH
44
A
HOH
48
2
HOH
HOH
48
A
HOH
3
2
HOH
HOH
3
B
HOH
4
2
HOH
HOH
4
B
HOH
6
2
HOH
HOH
6
B
HOH
7
2
HOH
HOH
7
B
HOH
10
2
HOH
HOH
10
B
HOH
12
2
HOH
HOH
12
B
HOH
13
2
HOH
HOH
13
B
HOH
17
2
HOH
HOH
17
B
HOH
25
2
HOH
HOH
25
B
HOH
30
2
HOH
HOH
30
B
HOH
37
2
HOH
HOH
37
B
HOH
38
2
HOH
HOH
38
B
HOH
39
2
HOH
HOH
39
B
HOH
40
2
HOH
HOH
40
B
HOH
43
2
HOH
HOH
43
B
HOH
46
2
HOH
HOH
46
B
HOH
49
2
HOH
HOH
49
B
HOH
55
2
HOH
HOH
55
B
HOH
59
2
HOH
HOH
59
B
HOH
1
2
HOH
HOH
1
C
HOH
2
2
HOH
HOH
2
C
HOH
5
2
HOH
HOH
5
C
HOH
9
2
HOH
HOH
9
C
HOH
20
2
HOH
HOH
20
C
HOH
21
2
HOH
HOH
21
C
HOH
22
2
HOH
HOH
22
C
HOH
31
2
HOH
HOH
31
C
HOH
34
2
HOH
HOH
34
C
HOH
35
2
HOH
HOH
35
C
HOH
41
2
HOH
HOH
41
C
HOH
45
2
HOH
HOH
45
C
HOH
52
2
HOH
HOH
52
C
HOH
56
2
HOH
HOH
56
C
HOH
60
2
HOH
HOH
60
C
HOH
11
2
HOH
HOH
11
D
HOH
16
2
HOH
HOH
16
D
HOH
18
2
HOH
HOH
18
D
HOH
19
2
HOH
HOH
19
D
HOH
23
2
HOH
HOH
23
D
HOH
27
2
HOH
HOH
27
D
HOH
29
2
HOH
HOH
29
D
HOH
33
2
HOH
HOH
33
D
HOH
47
2
HOH
HOH
47
D
HOH
50
2
HOH
HOH
50
D
HOH
51
2
HOH
HOH
51
D
HOH
54
2
HOH
HOH
54
D
HOH
57
2
HOH
HOH
57
D
HOH
58
2
HOH
HOH
58
D
n
1
189
A
n
2
190
A
n
3
191
A
n
4
192
A
n
5
193
A
n
6
194
A
n
7
195
A
n
8
196
A
n
9
197
A
THR
198
n
10
THR
198
A
THR
199
n
11
THR
199
A
ILE
200
n
12
ILE
200
A
THR
201
n
13
THR
201
A
LEU
202
n
14
LEU
202
A
ASN
203
n
15
ASN
203
A
VAL
204
n
16
VAL
204
A
LEU
205
n
17
LEU
205
A
ALA
206
n
18
ALA
206
A
TRP
207
n
19
TRP
207
A
LEU
208
n
20
LEU
208
A
TYR
209
n
21
TYR
209
A
ALA
210
n
22
ALA
210
A
ALA
211
n
23
ALA
211
A
VAL
212
n
24
VAL
212
A
ILE
213
n
25
ILE
213
A
ASN
214
n
26
ASN
214
A
GLY
215
n
27
GLY
215
A
ASP
216
n
28
ASP
216
A
ARG
217
n
29
ARG
217
A
TRP
218
n
30
TRP
218
A
PHE
219
n
31
PHE
219
A
LEU
220
n
32
LEU
220
A
ASN
221
n
33
ASN
221
A
ARG
222
n
34
ARG
222
A
PHE
223
n
35
PHE
223
A
THR
224
n
36
THR
224
A
THR
225
n
37
THR
225
A
THR
226
n
38
THR
226
A
LEU
227
n
39
LEU
227
A
ASN
228
n
40
ASN
228
A
ASP
229
n
41
ASP
229
A
PHE
230
n
42
PHE
230
A
ASN
231
n
43
ASN
231
A
LEU
232
n
44
LEU
232
A
VAL
233
n
45
VAL
233
A
ALA
234
n
46
ALA
234
A
MET
235
n
47
MET
235
A
LYS
236
n
48
LYS
236
A
TYR
237
n
49
TYR
237
A
ASN
238
n
50
ASN
238
A
TYR
239
n
51
TYR
239
A
GLU
240
n
52
GLU
240
A
PRO
241
n
53
PRO
241
A
LEU
242
n
54
LEU
242
A
THR
243
n
55
THR
243
A
GLN
244
n
56
GLN
244
A
ASP
245
n
57
ASP
245
A
HIS
246
n
58
HIS
246
A
VAL
247
n
59
VAL
247
A
ASP
248
n
60
ASP
248
A
ILE
249
n
61
ILE
249
A
LEU
250
n
62
LEU
250
A
GLY
251
n
63
GLY
251
A
PRO
252
n
64
PRO
252
A
LEU
253
n
65
LEU
253
A
SER
254
n
66
SER
254
A
ALA
255
n
67
ALA
255
A
GLN
256
n
68
GLN
256
A
THR
257
n
69
THR
257
A
GLY
258
n
70
GLY
258
A
ILE
259
n
71
ILE
259
A
ALA
260
n
72
ALA
260
A
VAL
261
n
73
VAL
261
A
LEU
262
n
74
LEU
262
A
ASP
263
n
75
ASP
263
A
MET
264
n
76
MET
264
A
CYS
265
n
77
CYS
265
A
ALA
266
n
78
ALA
266
A
ALA
267
n
79
ALA
267
A
LEU
268
n
80
LEU
268
A
LYS
269
n
81
LYS
269
A
GLU
270
n
82
GLU
270
A
LEU
271
n
83
LEU
271
A
LEU
272
n
84
LEU
272
A
GLN
273
n
85
GLN
273
A
ASN
274
n
86
ASN
274
A
GLY
275
n
87
GLY
275
A
MET
276
n
88
MET
276
A
ASN
277
n
89
ASN
277
A
GLY
278
n
90
GLY
278
A
ARG
279
n
91
ARG
279
A
THR
280
n
92
THR
280
A
ILE
281
n
93
ILE
281
A
LEU
282
n
94
LEU
282
A
GLY
283
n
95
GLY
283
A
SER
284
n
96
SER
284
A
THR
285
n
97
THR
285
A
ILE
286
n
98
ILE
286
A
LEU
287
n
99
LEU
287
A
GLU
288
n
100
GLU
288
A
ASP
289
n
101
ASP
289
A
GLU
290
n
102
GLU
290
A
PHE
291
n
103
PHE
291
A
THR
292
n
104
THR
292
A
PRO
293
n
105
PRO
293
A
PHE
294
n
106
PHE
294
A
ASP
295
n
107
ASP
295
A
VAL
296
n
108
VAL
296
A
VAL
297
n
109
VAL
297
A
n
110
298
A
n
111
299
A
n
112
300
A
n
113
301
A
n
114
302
A
n
115
303
A
n
116
304
A
n
117
305
A
n
118
306
A
n
1
189
B
n
2
190
B
n
3
191
B
n
4
192
B
n
5
193
B
n
6
194
B
n
7
195
B
n
8
196
B
n
9
197
B
THR
198
n
10
THR
198
B
THR
199
n
11
THR
199
B
ILE
200
n
12
ILE
200
B
THR
201
n
13
THR
201
B
LEU
202
n
14
LEU
202
B
ASN
203
n
15
ASN
203
B
VAL
204
n
16
VAL
204
B
LEU
205
n
17
LEU
205
B
ALA
206
n
18
ALA
206
B
TRP
207
n
19
TRP
207
B
LEU
208
n
20
LEU
208
B
TYR
209
n
21
TYR
209
B
ALA
210
n
22
ALA
210
B
ALA
211
n
23
ALA
211
B
VAL
212
n
24
VAL
212
B
ILE
213
n
25
ILE
213
B
ASN
214
n
26
ASN
214
B
GLY
215
n
27
GLY
215
B
ASP
216
n
28
ASP
216
B
ARG
217
n
29
ARG
217
B
TRP
218
n
30
TRP
218
B
PHE
219
n
31
PHE
219
B
LEU
220
n
32
LEU
220
B
ASN
221
n
33
ASN
221
B
ARG
222
n
34
ARG
222
B
PHE
223
n
35
PHE
223
B
THR
224
n
36
THR
224
B
THR
225
n
37
THR
225
B
THR
226
n
38
THR
226
B
LEU
227
n
39
LEU
227
B
ASN
228
n
40
ASN
228
B
ASP
229
n
41
ASP
229
B
PHE
230
n
42
PHE
230
B
ASN
231
n
43
ASN
231
B
LEU
232
n
44
LEU
232
B
VAL
233
n
45
VAL
233
B
ALA
234
n
46
ALA
234
B
MET
235
n
47
MET
235
B
LYS
236
n
48
LYS
236
B
TYR
237
n
49
TYR
237
B
ASN
238
n
50
ASN
238
B
TYR
239
n
51
TYR
239
B
GLU
240
n
52
GLU
240
B
PRO
241
n
53
PRO
241
B
LEU
242
n
54
LEU
242
B
THR
243
n
55
THR
243
B
GLN
244
n
56
GLN
244
B
ASP
245
n
57
ASP
245
B
HIS
246
n
58
HIS
246
B
VAL
247
n
59
VAL
247
B
ASP
248
n
60
ASP
248
B
ILE
249
n
61
ILE
249
B
LEU
250
n
62
LEU
250
B
GLY
251
n
63
GLY
251
B
PRO
252
n
64
PRO
252
B
LEU
253
n
65
LEU
253
B
SER
254
n
66
SER
254
B
ALA
255
n
67
ALA
255
B
GLN
256
n
68
GLN
256
B
THR
257
n
69
THR
257
B
GLY
258
n
70
GLY
258
B
ILE
259
n
71
ILE
259
B
ALA
260
n
72
ALA
260
B
VAL
261
n
73
VAL
261
B
LEU
262
n
74
LEU
262
B
ASP
263
n
75
ASP
263
B
MET
264
n
76
MET
264
B
CYS
265
n
77
CYS
265
B
ALA
266
n
78
ALA
266
B
ALA
267
n
79
ALA
267
B
LEU
268
n
80
LEU
268
B
LYS
269
n
81
LYS
269
B
GLU
270
n
82
GLU
270
B
LEU
271
n
83
LEU
271
B
LEU
272
n
84
LEU
272
B
GLN
273
n
85
GLN
273
B
ASN
274
n
86
ASN
274
B
GLY
275
n
87
GLY
275
B
MET
276
n
88
MET
276
B
ASN
277
n
89
ASN
277
B
GLY
278
n
90
GLY
278
B
ARG
279
n
91
ARG
279
B
THR
280
n
92
THR
280
B
ILE
281
n
93
ILE
281
B
LEU
282
n
94
LEU
282
B
GLY
283
n
95
GLY
283
B
SER
284
n
96
SER
284
B
THR
285
n
97
THR
285
B
ILE
286
n
98
ILE
286
B
LEU
287
n
99
LEU
287
B
GLU
288
n
100
GLU
288
B
ASP
289
n
101
ASP
289
B
GLU
290
n
102
GLU
290
B
PHE
291
n
103
PHE
291
B
THR
292
n
104
THR
292
B
PRO
293
n
105
PRO
293
B
PHE
294
n
106
PHE
294
B
ASP
295
n
107
ASP
295
B
VAL
296
n
108
VAL
296
B
VAL
297
n
109
VAL
297
B
n
110
298
B
n
111
299
B
n
112
300
B
n
113
301
B
n
114
302
B
n
115
303
B
n
116
304
B
n
117
305
B
n
118
306
B
n
1
189
C
n
2
190
C
n
3
191
C
n
4
192
C
n
5
193
C
n
6
194
C
n
7
195
C
n
8
196
C
n
9
197
C
THR
198
n
10
THR
198
C
THR
199
n
11
THR
199
C
ILE
200
n
12
ILE
200
C
THR
201
n
13
THR
201
C
LEU
202
n
14
LEU
202
C
ASN
203
n
15
ASN
203
C
VAL
204
n
16
VAL
204
C
LEU
205
n
17
LEU
205
C
ALA
206
n
18
ALA
206
C
TRP
207
n
19
TRP
207
C
LEU
208
n
20
LEU
208
C
TYR
209
n
21
TYR
209
C
ALA
210
n
22
ALA
210
C
ALA
211
n
23
ALA
211
C
VAL
212
n
24
VAL
212
C
ILE
213
n
25
ILE
213
C
ASN
214
n
26
ASN
214
C
GLY
215
n
27
GLY
215
C
ASP
216
n
28
ASP
216
C
ARG
217
n
29
ARG
217
C
TRP
218
n
30
TRP
218
C
PHE
219
n
31
PHE
219
C
LEU
220
n
32
LEU
220
C
ASN
221
n
33
ASN
221
C
ARG
222
n
34
ARG
222
C
PHE
223
n
35
PHE
223
C
THR
224
n
36
THR
224
C
THR
225
n
37
THR
225
C
THR
226
n
38
THR
226
C
LEU
227
n
39
LEU
227
C
ASN
228
n
40
ASN
228
C
ASP
229
n
41
ASP
229
C
PHE
230
n
42
PHE
230
C
ASN
231
n
43
ASN
231
C
LEU
232
n
44
LEU
232
C
VAL
233
n
45
VAL
233
C
ALA
234
n
46
ALA
234
C
MET
235
n
47
MET
235
C
LYS
236
n
48
LYS
236
C
TYR
237
n
49
TYR
237
C
ASN
238
n
50
ASN
238
C
TYR
239
n
51
TYR
239
C
GLU
240
n
52
GLU
240
C
PRO
241
n
53
PRO
241
C
LEU
242
n
54
LEU
242
C
THR
243
n
55
THR
243
C
GLN
244
n
56
GLN
244
C
ASP
245
n
57
ASP
245
C
HIS
246
n
58
HIS
246
C
VAL
247
n
59
VAL
247
C
ASP
248
n
60
ASP
248
C
ILE
249
n
61
ILE
249
C
LEU
250
n
62
LEU
250
C
GLY
251
n
63
GLY
251
C
PRO
252
n
64
PRO
252
C
LEU
253
n
65
LEU
253
C
SER
254
n
66
SER
254
C
ALA
255
n
67
ALA
255
C
GLN
256
n
68
GLN
256
C
THR
257
n
69
THR
257
C
GLY
258
n
70
GLY
258
C
ILE
259
n
71
ILE
259
C
ALA
260
n
72
ALA
260
C
VAL
261
n
73
VAL
261
C
LEU
262
n
74
LEU
262
C
ASP
263
n
75
ASP
263
C
MET
264
n
76
MET
264
C
CYS
265
n
77
CYS
265
C
ALA
266
n
78
ALA
266
C
ALA
267
n
79
ALA
267
C
LEU
268
n
80
LEU
268
C
LYS
269
n
81
LYS
269
C
GLU
270
n
82
GLU
270
C
LEU
271
n
83
LEU
271
C
LEU
272
n
84
LEU
272
C
GLN
273
n
85
GLN
273
C
ASN
274
n
86
ASN
274
C
GLY
275
n
87
GLY
275
C
MET
276
n
88
MET
276
C
ASN
277
n
89
ASN
277
C
GLY
278
n
90
GLY
278
C
ARG
279
n
91
ARG
279
C
THR
280
n
92
THR
280
C
ILE
281
n
93
ILE
281
C
LEU
282
n
94
LEU
282
C
GLY
283
n
95
GLY
283
C
SER
284
n
96
SER
284
C
THR
285
n
97
THR
285
C
ILE
286
n
98
ILE
286
C
LEU
287
n
99
LEU
287
C
GLU
288
n
100
GLU
288
C
ASP
289
n
101
ASP
289
C
GLU
290
n
102
GLU
290
C
PHE
291
n
103
PHE
291
C
THR
292
n
104
THR
292
C
PRO
293
n
105
PRO
293
C
PHE
294
n
106
PHE
294
C
ASP
295
n
107
ASP
295
C
VAL
296
n
108
VAL
296
C
VAL
297
n
109
VAL
297
C
ARG
298
n
110
ARG
298
C
n
111
299
C
n
112
300
C
n
113
301
C
n
114
302
C
n
115
303
C
n
116
304
C
n
117
305
C
n
118
306
C
n
1
189
D
n
2
190
D
n
3
191
D
n
4
192
D
n
5
193
D
n
6
194
D
n
7
195
D
n
8
196
D
n
9
197
D
THR
198
n
10
THR
198
D
THR
199
n
11
THR
199
D
ILE
200
n
12
ILE
200
D
THR
201
n
13
THR
201
D
LEU
202
n
14
LEU
202
D
ASN
203
n
15
ASN
203
D
VAL
204
n
16
VAL
204
D
LEU
205
n
17
LEU
205
D
ALA
206
n
18
ALA
206
D
TRP
207
n
19
TRP
207
D
LEU
208
n
20
LEU
208
D
TYR
209
n
21
TYR
209
D
ALA
210
n
22
ALA
210
D
ALA
211
n
23
ALA
211
D
VAL
212
n
24
VAL
212
D
ILE
213
n
25
ILE
213
D
ASN
214
n
26
ASN
214
D
GLY
215
n
27
GLY
215
D
ASP
216
n
28
ASP
216
D
ARG
217
n
29
ARG
217
D
TRP
218
n
30
TRP
218
D
PHE
219
n
31
PHE
219
D
LEU
220
n
32
LEU
220
D
ASN
221
n
33
ASN
221
D
ARG
222
n
34
ARG
222
D
PHE
223
n
35
PHE
223
D
THR
224
n
36
THR
224
D
THR
225
n
37
THR
225
D
THR
226
n
38
THR
226
D
LEU
227
n
39
LEU
227
D
ASN
228
n
40
ASN
228
D
ASP
229
n
41
ASP
229
D
PHE
230
n
42
PHE
230
D
ASN
231
n
43
ASN
231
D
LEU
232
n
44
LEU
232
D
VAL
233
n
45
VAL
233
D
ALA
234
n
46
ALA
234
D
MET
235
n
47
MET
235
D
LYS
236
n
48
LYS
236
D
TYR
237
n
49
TYR
237
D
ASN
238
n
50
ASN
238
D
TYR
239
n
51
TYR
239
D
GLU
240
n
52
GLU
240
D
PRO
241
n
53
PRO
241
D
LEU
242
n
54
LEU
242
D
THR
243
n
55
THR
243
D
GLN
244
n
56
GLN
244
D
ASP
245
n
57
ASP
245
D
HIS
246
n
58
HIS
246
D
VAL
247
n
59
VAL
247
D
ASP
248
n
60
ASP
248
D
ILE
249
n
61
ILE
249
D
LEU
250
n
62
LEU
250
D
GLY
251
n
63
GLY
251
D
PRO
252
n
64
PRO
252
D
LEU
253
n
65
LEU
253
D
SER
254
n
66
SER
254
D
ALA
255
n
67
ALA
255
D
GLN
256
n
68
GLN
256
D
THR
257
n
69
THR
257
D
GLY
258
n
70
GLY
258
D
ILE
259
n
71
ILE
259
D
ALA
260
n
72
ALA
260
D
VAL
261
n
73
VAL
261
D
LEU
262
n
74
LEU
262
D
ASP
263
n
75
ASP
263
D
MET
264
n
76
MET
264
D
CYS
265
n
77
CYS
265
D
ALA
266
n
78
ALA
266
D
ALA
267
n
79
ALA
267
D
LEU
268
n
80
LEU
268
D
LYS
269
n
81
LYS
269
D
GLU
270
n
82
GLU
270
D
LEU
271
n
83
LEU
271
D
LEU
272
n
84
LEU
272
D
GLN
273
n
85
GLN
273
D
ASN
274
n
86
ASN
274
D
GLY
275
n
87
GLY
275
D
MET
276
n
88
MET
276
D
ASN
277
n
89
ASN
277
D
GLY
278
n
90
GLY
278
D
ARG
279
n
91
ARG
279
D
THR
280
n
92
THR
280
D
ILE
281
n
93
ILE
281
D
LEU
282
n
94
LEU
282
D
GLY
283
n
95
GLY
283
D
SER
284
n
96
SER
284
D
THR
285
n
97
THR
285
D
ILE
286
n
98
ILE
286
D
LEU
287
n
99
LEU
287
D
GLU
288
n
100
GLU
288
D
ASP
289
n
101
ASP
289
D
GLU
290
n
102
GLU
290
D
PHE
291
n
103
PHE
291
D
THR
292
n
104
THR
292
D
PRO
293
n
105
PRO
293
D
PHE
294
n
106
PHE
294
D
ASP
295
n
107
ASP
295
D
VAL
296
n
108
VAL
296
D
VAL
297
n
109
VAL
297
D
ARG
298
n
110
ARG
298
D
n
111
299
D
n
112
300
D
n
113
301
D
n
114
302
D
n
115
303
D
n
116
304
D
n
117
305
D
n
118
306
D
author_and_software_defined_assembly
PISA
2
dimeric
author_and_software_defined_assembly
PISA
2
dimeric
5940
-55.9
10350
5990
-53.0
10070
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
GLN
189
A
GLN
1
1
Y
1
A
THR
190
A
THR
2
1
Y
1
A
ALA
191
A
ALA
3
1
Y
1
A
GLN
192
A
GLN
4
1
Y
1
A
ALA
193
A
ALA
5
1
Y
1
A
ALA
194
A
ALA
6
1
Y
1
A
GLY
195
A
GLY
7
1
Y
1
A
THR
196
A
THR
8
1
Y
1
A
ASP
197
A
ASP
9
1
Y
1
A
ARG
298
A
ARG
110
1
Y
1
A
GLN
299
A
GLN
111
1
Y
1
A
CYS
300
A
CYS
112
1
Y
1
A
SER
301
A
SER
113
1
Y
1
A
GLY
302
A
GLY
114
1
Y
1
A
VAL
303
A
VAL
115
1
Y
1
A
THR
304
A
THR
116
1
Y
1
A
PHE
305
A
PHE
117
1
Y
1
A
GLN
306
A
GLN
118
1
Y
1
B
GLN
189
B
GLN
1
1
Y
1
B
THR
190
B
THR
2
1
Y
1
B
ALA
191
B
ALA
3
1
Y
1
B
GLN
192
B
GLN
4
1
Y
1
B
ALA
193
B
ALA
5
1
Y
1
B
ALA
194
B
ALA
6
1
Y
1
B
GLY
195
B
GLY
7
1
Y
1
B
THR
196
B
THR
8
1
Y
1
B
ASP
197
B
ASP
9
1
Y
1
B
ARG
298
B
ARG
110
1
Y
1
B
GLN
299
B
GLN
111
1
Y
1
B
CYS
300
B
CYS
112
1
Y
1
B
SER
301
B
SER
113
1
Y
1
B
GLY
302
B
GLY
114
1
Y
1
B
VAL
303
B
VAL
115
1
Y
1
B
THR
304
B
THR
116
1
Y
1
B
PHE
305
B
PHE
117
1
Y
1
B
GLN
306
B
GLN
118
1
Y
1
C
GLN
189
C
GLN
1
1
Y
1
C
THR
190
C
THR
2
1
Y
1
C
ALA
191
C
ALA
3
1
Y
1
C
GLN
192
C
GLN
4
1
Y
1
C
ALA
193
C
ALA
5
1
Y
1
C
ALA
194
C
ALA
6
1
Y
1
C
GLY
195
C
GLY
7
1
Y
1
C
THR
196
C
THR
8
1
Y
1
C
ASP
197
C
ASP
9
1
Y
1
C
GLN
299
C
GLN
111
1
Y
1
C
CYS
300
C
CYS
112
1
Y
1
C
SER
301
C
SER
113
1
Y
1
C
GLY
302
C
GLY
114
1
Y
1
C
VAL
303
C
VAL
115
1
Y
1
C
THR
304
C
THR
116
1
Y
1
C
PHE
305
C
PHE
117
1
Y
1
C
GLN
306
C
GLN
118
1
Y
1
D
GLN
189
D
GLN
1
1
Y
1
D
THR
190
D
THR
2
1
Y
1
D
ALA
191
D
ALA
3
1
Y
1
D
GLN
192
D
GLN
4
1
Y
1
D
ALA
193
D
ALA
5
1
Y
1
D
ALA
194
D
ALA
6
1
Y
1
D
GLY
195
D
GLY
7
1
Y
1
D
THR
196
D
THR
8
1
Y
1
D
ASP
197
D
ASP
9
1
Y
1
D
GLN
299
D
GLN
111
1
Y
1
D
CYS
300
D
CYS
112
1
Y
1
D
SER
301
D
SER
113
1
Y
1
D
GLY
302
D
GLY
114
1
Y
1
D
VAL
303
D
VAL
115
1
Y
1
D
THR
304
D
THR
116
1
Y
1
D
PHE
305
D
PHE
117
1
Y
1
D
GLN
306
D
GLN
118
1
Y
1
-16.93
2.70
111.00
94.07
B
B
B
N
CA
C
THR
THR
THR
224
224
224
N
1
A
ARG
217
-145.54
-34.96
1
A
ARG
222
-65.19
-176.12
1
A
THR
224
-68.06
-172.39
1
A
ALA
260
-49.71
150.06
1
B
ARG
217
-146.29
-29.69
1
B
ARG
222
-76.55
-153.90
1
B
ASN
277
39.52
52.34
1
C
ARG
217
-145.38
-25.95
1
C
THR
224
70.34
-174.74
1
D
ARG
217
-141.88
-27.56
1
D
ARG
222
-80.50
-141.92
1
D
PHE
223
-163.83
-166.47
1
D
ALA
260
-49.28
152.13
0.243
0.208
0.209
2.4
50.0
718
15252
14727
random
1
0
0
MOLECULAR REPLACEMENT
PDB ENTRY 1UK2
Engh & Huber
2.4
50.0
59
3217
0
0
3158
0.007
1.322
2.4
50.0
3EBN
15252
14727
0
0
0.051
1
95
0.190
2.4
2.5
88.1
data collection
CrystalClear
phasing
PHASER
refinement
CNS
1.1
data reduction
HKL-2000
data scaling
HKL-2000
A Special Dimerization of SARS-CoV Main Protease C-Terminal Domain Due to Domain-swapping
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
A
ILE
200
A
ILE
12
HELX_P
A
ASN
214
A
ASN
26
1
1
15
A
THR
226
A
THR
38
HELX_P
A
TYR
237
A
TYR
49
1
2
12
A
THR
243
A
THR
55
HELX_P
A
LEU
250
A
LEU
62
1
3
8
A
LEU
250
A
LEU
62
HELX_P
A
GLY
258
A
GLY
70
1
4
9
A
ALA
260
A
ALA
72
HELX_P
A
GLY
275
A
GLY
87
1
5
16
A
THR
292
A
THR
104
HELX_P
A
VAL
297
A
VAL
109
1
6
6
B
ILE
200
B
ILE
12
HELX_P
B
ASN
214
B
ASN
26
1
7
15
B
ARG
217
B
ARG
29
HELX_P
B
ASN
221
B
ASN
33
5
8
5
B
THR
226
B
THR
38
HELX_P
B
TYR
237
B
TYR
49
1
9
12
B
THR
243
B
THR
55
HELX_P
B
LEU
250
B
LEU
62
1
10
8
B
LEU
250
B
LEU
62
HELX_P
B
GLY
258
B
GLY
70
1
11
9
B
ALA
260
B
ALA
72
HELX_P
B
GLY
275
B
GLY
87
1
12
16
B
THR
292
B
THR
104
HELX_P
B
VAL
297
B
VAL
109
1
13
6
C
ILE
200
C
ILE
12
HELX_P
C
ASN
214
C
ASN
26
1
14
15
C
ARG
217
C
ARG
29
HELX_P
C
ASN
221
C
ASN
33
5
15
5
C
THR
226
C
THR
38
HELX_P
C
TYR
237
C
TYR
49
1
16
12
C
THR
243
C
THR
55
HELX_P
C
LEU
250
C
LEU
62
1
17
8
C
LEU
250
C
LEU
62
HELX_P
C
GLY
258
C
GLY
70
1
18
9
C
ALA
260
C
ALA
72
HELX_P
C
GLY
275
C
GLY
87
1
19
16
C
THR
292
C
THR
104
HELX_P
C
ARG
298
C
ARG
110
1
20
7
D
ILE
200
D
ILE
12
HELX_P
D
ASN
214
D
ASN
26
1
21
15
D
ARG
217
D
ARG
29
HELX_P
D
ASN
221
D
ASN
33
5
22
5
D
THR
226
D
THR
38
HELX_P
D
TYR
237
D
TYR
49
1
23
12
D
THR
243
D
THR
55
HELX_P
D
LEU
250
D
LEU
62
1
24
8
D
LEU
250
D
LEU
62
HELX_P
D
GLY
258
D
GLY
70
1
25
9
D
ALA
260
D
ALA
72
HELX_P
D
GLY
275
D
GLY
87
1
26
16
D
THR
292
D
THR
104
HELX_P
D
ARG
298
D
ARG
110
1
27
7
HYDROLASE
SARS, coronavirus, main protease, dimerization, N-finger, C-terminal domain, HYDROLASE
R1AB_CVHSA
UNP
1
3429
P0C6X7
QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL
KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ
3429
3546
3EBN
189
306
P0C6X7
A
1
1
118
3429
3546
3EBN
189
306
P0C6X7
B
1
1
118
3429
3546
3EBN
189
306
P0C6X7
C
1
1
118
3429
3546
3EBN
189
306
P0C6X7
D
1
1
118
1
P 1