0.025610
0.000000
0.000000
0.000000
0.012714
0.000000
0.000000
0.000000
0.011578
0.00000
0.00000
0.00000
Krupka, H.I.
Segelke, B.W.
Rupp, B.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
39.048
78.652
86.374
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
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
Zn 2
65.409
ZINC ION
non-polymer
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
S
N
305
N
O
N
306
N
O
N
307
N
O
N
308
N
O
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
R
C
N
314
N
O
N
315
N
C
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
N
N
327
S
C
N
328
N
C
N
329
N
O
N
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
N
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
C
Y
339
N
C
N
340
N
O
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
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
N
N
354
S
C
N
355
N
C
N
356
N
O
N
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
N
364
N
O
N
365
N
O
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
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
N
N
378
S
C
N
379
N
C
N
380
N
O
N
381
N
C
N
382
N
C
N
383
N
C
N
384
N
O
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
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
ZN
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
doub
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
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
doub
N
317
N
sing
N
318
N
sing
N
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
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
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
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
doub
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
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
doub
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
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
US
Protein Sci.
PRCIEI
0795
0961-8368
11
642
10.1110/PS.39702
11847286
Structural Basis for Abrogated Binding between Staphylococcal Enterotoxin a Superantigen Vaccine and Mhc-II?
2002
10.2210/pdb1dyq/pdb
pdb_00001dyq
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
120.0
1
DOUBLE FOCUSSING
CCD
1999-09-15
ADSC QUANTUM 4
SI
SINGLE WAVELENGTH
M
x-ray
1
1.1000
1.0
5.0.2
ALS
1.1000
SYNCHROTRON
ALS BEAMLINE 5.0.2
27255.547
Enterotoxin type A
YES
1
man
polymer
65.409
ZINC ION
1
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
18.015
water
494
nat
water
SEA
no
no
MSEKSEEINEKDLRKKSELQGTALGNLKQIYYYNEKAKTENKESHDQFRQHTILFKGFFTDHSWYNDLLVRFDSKDIVDK
YKGKKVDLYGAYAGYQCAGGTPNKTACMYGGVTLHDNNRLTEEKKVPINLWLDGKQNTVPLETVKTNKKNVTVQELDLQA
RRYLQEKYNLYNSDVFDGKVQRGLIVFHTSTEPSVNYDLFGAQGQYSNTLLRIYRDNKTINSENMHIDIYLYTS
MSEKSEEINEKDLRKKSELQGTALGNLKQIYYYNEKAKTENKESHDQFRQHTILFKGFFTDHSWYNDLLVRFDSKDIVDK
YKGKKVDLYGAYAGYQCAGGTPNKTACMYGGVTLHDNNRLTEEKKVPINLWLDGKQNTVPLETVKTNKKNVTVQELDLQA
RRYLQEKYNLYNSDVFDGKVQRGLIVFHTSTEPSVNYDLFGAQGQYSNTLLRIYRDNKTINSENMHIDIYLYTS
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
sample
1
MUTANT GENE
234
entA
1280
Staphylococcus aureus
FDA196E
562
ESCHERICHIA COLI
JM101
Biological sequence
PSE380
1
2.5
51
VAPOR DIFFUSION, HANGING DROP
7.80
HANGING DROP OVER 1 ML WELL, 4 + 4 UL DROPS, WELL SOLUTION 10% PEG6K, 5% MPD IN 0.1 M HEPES PH 7.8, TEMPERATURE 4 DEG, 3-4 WEEKS.
277
exptl_crystal_grow
pdbx_database_proc
pdbx_database_status
database_PDB_rev
database_PDB_rev_record
exptl_crystal_grow
entity
entity_src_gen
pdbx_poly_seq_scheme
pdbx_unobs_or_zero_occ_residues
struct_ref
struct_ref_seq
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Experimental preparation
Other
Data collection
Experimental preparation
Advisory
Data collection
Database references
Source and taxonomy
Structure summary
Data collection
Database references
Derived calculations
Refinement description
1
0
2001-03-19
1
1
2011-05-07
1
2
2011-07-13
1
3
2019-04-03
1
4
2019-05-08
1
5
2019-09-25
1
6
2023-12-06
_exptl_crystal_grow.temp
_pdbx_database_status.recvd_author_approval
_exptl_crystal_grow.method
_entity.pdbx_description
_entity_src_gen.gene_src_strain
_entity_src_gen.pdbx_beg_seq_num
_entity_src_gen.pdbx_end_seq_num
_entity_src_gen.pdbx_gene_src_gene
_entity_src_gen.pdbx_gene_src_scientific_name
_entity_src_gen.pdbx_seq_type
_pdbx_poly_seq_scheme.pdb_seq_num
_pdbx_unobs_or_zero_occ_residues.auth_seq_id
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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.ptnr1_symmetry
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn.ptnr2_symmetry
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
STAPHYLOCOCCAL ENTEROTOXIN A (STAPHYLOCOCCUS AUREUS)
STAPHYLOCOCCAL ENTEROTOXIN A (THEORETICAL MODEL)
STAPHYLOCOCCAL ENTEROTOXIN TYPE A (SEA) CO-CRYSTALLISED WITH ZINC (STAPHYLOCOCCUS AUREUS)
SHEET
DETERMINATION METHOD:
THERE IS A BIFURCATED SHEET IN THIS STRUCTURE.
THIS SHEET REPRESENTED BY TWO SHEETS WHICH HAS TWO
IDENTICAL STRANDS.
SHEETS A AND A1 REPRESENT ONE BIFURCATED SHEET.
PDBE
Y
PDBE
2000-02-05
REL
1
A
O
HOH
2011
6.29
1
A
O
HOH
2012
6.79
1
A
O
HOH
2013
7.93
1
A
O
HOH
2024
8.24
1
A
O
HOH
2042
5.88
1
A
O
HOH
2043
5.83
1
A
O
HOH
2052
7.22
1
A
O
HOH
2059
6.59
1
A
O
HOH
2079
7.77
1
A
O
HOH
2090
6.85
1
A
O
HOH
2091
6.33
1
A
O
HOH
2092
7.82
1
A
O
HOH
2097
6.64
1
A
O
HOH
2102
6.17
1
A
O
HOH
2104
6.07
1
A
O
HOH
2106
5.92
1
A
O
HOH
2108
6.77
1
A
O
HOH
2134
6.07
1
A
O
HOH
2233
6.26
1
A
O
HOH
2241
6.54
ZN
ZINC ION
SO4
SULFATE ION
HOH
water
VACCINE MUTANT L48R, Y92A, D70R
1ESF
PDB ENTRY 1ESF
PDB
experimental model
ZN
234
2
ZN
ZN
234
A
SO4
235
3
SO4
SO4
235
A
HOH
2001
4
HOH
HOH
2001
A
HOH
2002
4
HOH
HOH
2002
A
HOH
2003
4
HOH
HOH
2003
A
HOH
2004
4
HOH
HOH
2004
A
HOH
2005
4
HOH
HOH
2005
A
HOH
2006
4
HOH
HOH
2006
A
HOH
2007
4
HOH
HOH
2007
A
HOH
2008
4
HOH
HOH
2008
A
HOH
2009
4
HOH
HOH
2009
A
HOH
2010
4
HOH
HOH
2010
A
HOH
2011
4
HOH
HOH
2011
A
HOH
2012
4
HOH
HOH
2012
A
HOH
2013
4
HOH
HOH
2013
A
HOH
2014
4
HOH
HOH
2014
A
HOH
2015
4
HOH
HOH
2015
A
HOH
2016
4
HOH
HOH
2016
A
HOH
2017
4
HOH
HOH
2017
A
HOH
2018
4
HOH
HOH
2018
A
HOH
2019
4
HOH
HOH
2019
A
HOH
2020
4
HOH
HOH
2020
A
HOH
2021
4
HOH
HOH
2021
A
HOH
2022
4
HOH
HOH
2022
A
HOH
2023
4
HOH
HOH
2023
A
HOH
2024
4
HOH
HOH
2024
A
HOH
2025
4
HOH
HOH
2025
A
HOH
2026
4
HOH
HOH
2026
A
HOH
2027
4
HOH
HOH
2027
A
HOH
2028
4
HOH
HOH
2028
A
HOH
2029
4
HOH
HOH
2029
A
HOH
2030
4
HOH
HOH
2030
A
HOH
2031
4
HOH
HOH
2031
A
HOH
2032
4
HOH
HOH
2032
A
HOH
2033
4
HOH
HOH
2033
A
HOH
2034
4
HOH
HOH
2034
A
HOH
2035
4
HOH
HOH
2035
A
HOH
2036
4
HOH
HOH
2036
A
HOH
2037
4
HOH
HOH
2037
A
HOH
2038
4
HOH
HOH
2038
A
HOH
2039
4
HOH
HOH
2039
A
HOH
2040
4
HOH
HOH
2040
A
HOH
2041
4
HOH
HOH
2041
A
HOH
2042
4
HOH
HOH
2042
A
HOH
2043
4
HOH
HOH
2043
A
HOH
2044
4
HOH
HOH
2044
A
HOH
2045
4
HOH
HOH
2045
A
HOH
2046
4
HOH
HOH
2046
A
HOH
2047
4
HOH
HOH
2047
A
HOH
2048
4
HOH
HOH
2048
A
HOH
2049
4
HOH
HOH
2049
A
HOH
2050
4
HOH
HOH
2050
A
HOH
2051
4
HOH
HOH
2051
A
HOH
2052
4
HOH
HOH
2052
A
HOH
2053
4
HOH
HOH
2053
A
HOH
2054
4
HOH
HOH
2054
A
HOH
2055
4
HOH
HOH
2055
A
HOH
2056
4
HOH
HOH
2056
A
HOH
2057
4
HOH
HOH
2057
A
HOH
2058
4
HOH
HOH
2058
A
HOH
2059
4
HOH
HOH
2059
A
HOH
2060
4
HOH
HOH
2060
A
HOH
2061
4
HOH
HOH
2061
A
HOH
2062
4
HOH
HOH
2062
A
HOH
2063
4
HOH
HOH
2063
A
HOH
2064
4
HOH
HOH
2064
A
HOH
2065
4
HOH
HOH
2065
A
HOH
2066
4
HOH
HOH
2066
A
HOH
2067
4
HOH
HOH
2067
A
HOH
2068
4
HOH
HOH
2068
A
HOH
2069
4
HOH
HOH
2069
A
HOH
2070
4
HOH
HOH
2070
A
HOH
2071
4
HOH
HOH
2071
A
HOH
2072
4
HOH
HOH
2072
A
HOH
2073
4
HOH
HOH
2073
A
HOH
2074
4
HOH
HOH
2074
A
HOH
2075
4
HOH
HOH
2075
A
HOH
2076
4
HOH
HOH
2076
A
HOH
2077
4
HOH
HOH
2077
A
HOH
2078
4
HOH
HOH
2078
A
HOH
2079
4
HOH
HOH
2079
A
HOH
2080
4
HOH
HOH
2080
A
HOH
2081
4
HOH
HOH
2081
A
HOH
2082
4
HOH
HOH
2082
A
HOH
2083
4
HOH
HOH
2083
A
HOH
2084
4
HOH
HOH
2084
A
HOH
2085
4
HOH
HOH
2085
A
HOH
2086
4
HOH
HOH
2086
A
HOH
2087
4
HOH
HOH
2087
A
HOH
2088
4
HOH
HOH
2088
A
HOH
2089
4
HOH
HOH
2089
A
HOH
2090
4
HOH
HOH
2090
A
HOH
2091
4
HOH
HOH
2091
A
HOH
2092
4
HOH
HOH
2092
A
HOH
2093
4
HOH
HOH
2093
A
HOH
2094
4
HOH
HOH
2094
A
HOH
2095
4
HOH
HOH
2095
A
HOH
2096
4
HOH
HOH
2096
A
HOH
2097
4
HOH
HOH
2097
A
HOH
2098
4
HOH
HOH
2098
A
HOH
2099
4
HOH
HOH
2099
A
HOH
2100
4
HOH
HOH
2100
A
HOH
2101
4
HOH
HOH
2101
A
HOH
2102
4
HOH
HOH
2102
A
HOH
2103
4
HOH
HOH
2103
A
HOH
2104
4
HOH
HOH
2104
A
HOH
2105
4
HOH
HOH
2105
A
HOH
2106
4
HOH
HOH
2106
A
HOH
2107
4
HOH
HOH
2107
A
HOH
2108
4
HOH
HOH
2108
A
HOH
2109
4
HOH
HOH
2109
A
HOH
2110
4
HOH
HOH
2110
A
HOH
2111
4
HOH
HOH
2111
A
HOH
2112
4
HOH
HOH
2112
A
HOH
2113
4
HOH
HOH
2113
A
HOH
2114
4
HOH
HOH
2114
A
HOH
2115
4
HOH
HOH
2115
A
HOH
2116
4
HOH
HOH
2116
A
HOH
2117
4
HOH
HOH
2117
A
HOH
2118
4
HOH
HOH
2118
A
HOH
2119
4
HOH
HOH
2119
A
HOH
2120
4
HOH
HOH
2120
A
HOH
2121
4
HOH
HOH
2121
A
HOH
2122
4
HOH
HOH
2122
A
HOH
2123
4
HOH
HOH
2123
A
HOH
2124
4
HOH
HOH
2124
A
HOH
2125
4
HOH
HOH
2125
A
HOH
2126
4
HOH
HOH
2126
A
HOH
2127
4
HOH
HOH
2127
A
HOH
2128
4
HOH
HOH
2128
A
HOH
2129
4
HOH
HOH
2129
A
HOH
2130
4
HOH
HOH
2130
A
HOH
2131
4
HOH
HOH
2131
A
HOH
2132
4
HOH
HOH
2132
A
HOH
2133
4
HOH
HOH
2133
A
HOH
2134
4
HOH
HOH
2134
A
HOH
2135
4
HOH
HOH
2135
A
HOH
2136
4
HOH
HOH
2136
A
HOH
2137
4
HOH
HOH
2137
A
HOH
2138
4
HOH
HOH
2138
A
HOH
2139
4
HOH
HOH
2139
A
HOH
2140
4
HOH
HOH
2140
A
HOH
2141
4
HOH
HOH
2141
A
HOH
2142
4
HOH
HOH
2142
A
HOH
2143
4
HOH
HOH
2143
A
HOH
2144
4
HOH
HOH
2144
A
HOH
2145
4
HOH
HOH
2145
A
HOH
2146
4
HOH
HOH
2146
A
HOH
2147
4
HOH
HOH
2147
A
HOH
2148
4
HOH
HOH
2148
A
HOH
2149
4
HOH
HOH
2149
A
HOH
2150
4
HOH
HOH
2150
A
HOH
2151
4
HOH
HOH
2151
A
HOH
2152
4
HOH
HOH
2152
A
HOH
2153
4
HOH
HOH
2153
A
HOH
2154
4
HOH
HOH
2154
A
HOH
2155
4
HOH
HOH
2155
A
HOH
2156
4
HOH
HOH
2156
A
HOH
2157
4
HOH
HOH
2157
A
HOH
2158
4
HOH
HOH
2158
A
HOH
2159
4
HOH
HOH
2159
A
HOH
2160
4
HOH
HOH
2160
A
HOH
2161
4
HOH
HOH
2161
A
HOH
2162
4
HOH
HOH
2162
A
HOH
2163
4
HOH
HOH
2163
A
HOH
2164
4
HOH
HOH
2164
A
HOH
2165
4
HOH
HOH
2165
A
HOH
2166
4
HOH
HOH
2166
A
HOH
2167
4
HOH
HOH
2167
A
HOH
2168
4
HOH
HOH
2168
A
HOH
2169
4
HOH
HOH
2169
A
HOH
2170
4
HOH
HOH
2170
A
HOH
2171
4
HOH
HOH
2171
A
HOH
2172
4
HOH
HOH
2172
A
HOH
2173
4
HOH
HOH
2173
A
HOH
2174
4
HOH
HOH
2174
A
HOH
2175
4
HOH
HOH
2175
A
HOH
2176
4
HOH
HOH
2176
A
HOH
2177
4
HOH
HOH
2177
A
HOH
2178
4
HOH
HOH
2178
A
HOH
2179
4
HOH
HOH
2179
A
HOH
2180
4
HOH
HOH
2180
A
HOH
2181
4
HOH
HOH
2181
A
HOH
2182
4
HOH
HOH
2182
A
HOH
2183
4
HOH
HOH
2183
A
HOH
2184
4
HOH
HOH
2184
A
HOH
2185
4
HOH
HOH
2185
A
HOH
2186
4
HOH
HOH
2186
A
HOH
2187
4
HOH
HOH
2187
A
HOH
2188
4
HOH
HOH
2188
A
HOH
2189
4
HOH
HOH
2189
A
HOH
2190
4
HOH
HOH
2190
A
HOH
2191
4
HOH
HOH
2191
A
HOH
2192
4
HOH
HOH
2192
A
HOH
2193
4
HOH
HOH
2193
A
HOH
2194
4
HOH
HOH
2194
A
HOH
2195
4
HOH
HOH
2195
A
HOH
2196
4
HOH
HOH
2196
A
HOH
2197
4
HOH
HOH
2197
A
HOH
2198
4
HOH
HOH
2198
A
HOH
2199
4
HOH
HOH
2199
A
HOH
2200
4
HOH
HOH
2200
A
HOH
2201
4
HOH
HOH
2201
A
HOH
2202
4
HOH
HOH
2202
A
HOH
2203
4
HOH
HOH
2203
A
HOH
2204
4
HOH
HOH
2204
A
HOH
2205
4
HOH
HOH
2205
A
HOH
2206
4
HOH
HOH
2206
A
HOH
2207
4
HOH
HOH
2207
A
HOH
2208
4
HOH
HOH
2208
A
HOH
2209
4
HOH
HOH
2209
A
HOH
2210
4
HOH
HOH
2210
A
HOH
2211
4
HOH
HOH
2211
A
HOH
2212
4
HOH
HOH
2212
A
HOH
2213
4
HOH
HOH
2213
A
HOH
2214
4
HOH
HOH
2214
A
HOH
2215
4
HOH
HOH
2215
A
HOH
2216
4
HOH
HOH
2216
A
HOH
2217
4
HOH
HOH
2217
A
HOH
2218
4
HOH
HOH
2218
A
HOH
2219
4
HOH
HOH
2219
A
HOH
2220
4
HOH
HOH
2220
A
HOH
2221
4
HOH
HOH
2221
A
HOH
2222
4
HOH
HOH
2222
A
HOH
2223
4
HOH
HOH
2223
A
HOH
2224
4
HOH
HOH
2224
A
HOH
2225
4
HOH
HOH
2225
A
HOH
2226
4
HOH
HOH
2226
A
HOH
2227
4
HOH
HOH
2227
A
HOH
2228
4
HOH
HOH
2228
A
HOH
2229
4
HOH
HOH
2229
A
HOH
2230
4
HOH
HOH
2230
A
HOH
2231
4
HOH
HOH
2231
A
HOH
2232
4
HOH
HOH
2232
A
HOH
2233
4
HOH
HOH
2233
A
HOH
2234
4
HOH
HOH
2234
A
HOH
2235
4
HOH
HOH
2235
A
HOH
2236
4
HOH
HOH
2236
A
HOH
2237
4
HOH
HOH
2237
A
HOH
2238
4
HOH
HOH
2238
A
HOH
2239
4
HOH
HOH
2239
A
HOH
2240
4
HOH
HOH
2240
A
HOH
2241
4
HOH
HOH
2241
A
HOH
2242
4
HOH
HOH
2242
A
HOH
2243
4
HOH
HOH
2243
A
HOH
2244
4
HOH
HOH
2244
A
HOH
2245
4
HOH
HOH
2245
A
HOH
2246
4
HOH
HOH
2246
A
HOH
2247
4
HOH
HOH
2247
A
HOH
2248
4
HOH
HOH
2248
A
HOH
2249
4
HOH
HOH
2249
A
HOH
2250
4
HOH
HOH
2250
A
HOH
2251
4
HOH
HOH
2251
A
HOH
2252
4
HOH
HOH
2252
A
HOH
2253
4
HOH
HOH
2253
A
HOH
2254
4
HOH
HOH
2254
A
HOH
2255
4
HOH
HOH
2255
A
HOH
2256
4
HOH
HOH
2256
A
HOH
2257
4
HOH
HOH
2257
A
HOH
2258
4
HOH
HOH
2258
A
HOH
2259
4
HOH
HOH
2259
A
HOH
2260
4
HOH
HOH
2260
A
HOH
2261
4
HOH
HOH
2261
A
HOH
2262
4
HOH
HOH
2262
A
HOH
2263
4
HOH
HOH
2263
A
HOH
2264
4
HOH
HOH
2264
A
HOH
2265
4
HOH
HOH
2265
A
HOH
2266
4
HOH
HOH
2266
A
HOH
2267
4
HOH
HOH
2267
A
HOH
2268
4
HOH
HOH
2268
A
HOH
2269
4
HOH
HOH
2269
A
HOH
2270
4
HOH
HOH
2270
A
HOH
2271
4
HOH
HOH
2271
A
HOH
2272
4
HOH
HOH
2272
A
HOH
2273
4
HOH
HOH
2273
A
HOH
2274
4
HOH
HOH
2274
A
HOH
2275
4
HOH
HOH
2275
A
HOH
2276
4
HOH
HOH
2276
A
HOH
2277
4
HOH
HOH
2277
A
HOH
2278
4
HOH
HOH
2278
A
HOH
2279
4
HOH
HOH
2279
A
HOH
2280
4
HOH
HOH
2280
A
HOH
2281
4
HOH
HOH
2281
A
HOH
2282
4
HOH
HOH
2282
A
HOH
2283
4
HOH
HOH
2283
A
HOH
2284
4
HOH
HOH
2284
A
HOH
2285
4
HOH
HOH
2285
A
HOH
2286
4
HOH
HOH
2286
A
HOH
2287
4
HOH
HOH
2287
A
HOH
2288
4
HOH
HOH
2288
A
HOH
2289
4
HOH
HOH
2289
A
HOH
2290
4
HOH
HOH
2290
A
HOH
2291
4
HOH
HOH
2291
A
HOH
2292
4
HOH
HOH
2292
A
HOH
2293
4
HOH
HOH
2293
A
HOH
2294
4
HOH
HOH
2294
A
HOH
2295
4
HOH
HOH
2295
A
HOH
2296
4
HOH
HOH
2296
A
HOH
2297
4
HOH
HOH
2297
A
HOH
2298
4
HOH
HOH
2298
A
HOH
2299
4
HOH
HOH
2299
A
HOH
2300
4
HOH
HOH
2300
A
HOH
2301
4
HOH
HOH
2301
A
HOH
2302
4
HOH
HOH
2302
A
HOH
2303
4
HOH
HOH
2303
A
HOH
2304
4
HOH
HOH
2304
A
HOH
2305
4
HOH
HOH
2305
A
HOH
2306
4
HOH
HOH
2306
A
HOH
2307
4
HOH
HOH
2307
A
HOH
2308
4
HOH
HOH
2308
A
HOH
2309
4
HOH
HOH
2309
A
HOH
2310
4
HOH
HOH
2310
A
HOH
2311
4
HOH
HOH
2311
A
HOH
2312
4
HOH
HOH
2312
A
HOH
2313
4
HOH
HOH
2313
A
HOH
2314
4
HOH
HOH
2314
A
HOH
2315
4
HOH
HOH
2315
A
HOH
2316
4
HOH
HOH
2316
A
HOH
2317
4
HOH
HOH
2317
A
HOH
2318
4
HOH
HOH
2318
A
HOH
2319
4
HOH
HOH
2319
A
HOH
2320
4
HOH
HOH
2320
A
HOH
2321
4
HOH
HOH
2321
A
HOH
2322
4
HOH
HOH
2322
A
HOH
2323
4
HOH
HOH
2323
A
HOH
2324
4
HOH
HOH
2324
A
HOH
2325
4
HOH
HOH
2325
A
HOH
2326
4
HOH
HOH
2326
A
HOH
2327
4
HOH
HOH
2327
A
HOH
2328
4
HOH
HOH
2328
A
HOH
2329
4
HOH
HOH
2329
A
HOH
2330
4
HOH
HOH
2330
A
HOH
2331
4
HOH
HOH
2331
A
HOH
2332
4
HOH
HOH
2332
A
HOH
2333
4
HOH
HOH
2333
A
HOH
2334
4
HOH
HOH
2334
A
HOH
2335
4
HOH
HOH
2335
A
HOH
2336
4
HOH
HOH
2336
A
HOH
2337
4
HOH
HOH
2337
A
HOH
2338
4
HOH
HOH
2338
A
HOH
2339
4
HOH
HOH
2339
A
HOH
2340
4
HOH
HOH
2340
A
HOH
2341
4
HOH
HOH
2341
A
HOH
2342
4
HOH
HOH
2342
A
HOH
2343
4
HOH
HOH
2343
A
HOH
2344
4
HOH
HOH
2344
A
HOH
2345
4
HOH
HOH
2345
A
HOH
2346
4
HOH
HOH
2346
A
HOH
2347
4
HOH
HOH
2347
A
HOH
2348
4
HOH
HOH
2348
A
HOH
2349
4
HOH
HOH
2349
A
HOH
2350
4
HOH
HOH
2350
A
HOH
2351
4
HOH
HOH
2351
A
HOH
2352
4
HOH
HOH
2352
A
HOH
2353
4
HOH
HOH
2353
A
HOH
2354
4
HOH
HOH
2354
A
HOH
2355
4
HOH
HOH
2355
A
HOH
2356
4
HOH
HOH
2356
A
HOH
2357
4
HOH
HOH
2357
A
HOH
2358
4
HOH
HOH
2358
A
HOH
2359
4
HOH
HOH
2359
A
HOH
2360
4
HOH
HOH
2360
A
HOH
2361
4
HOH
HOH
2361
A
HOH
2362
4
HOH
HOH
2362
A
HOH
2363
4
HOH
HOH
2363
A
HOH
2364
4
HOH
HOH
2364
A
HOH
2365
4
HOH
HOH
2365
A
HOH
2366
4
HOH
HOH
2366
A
HOH
2367
4
HOH
HOH
2367
A
HOH
2368
4
HOH
HOH
2368
A
HOH
2369
4
HOH
HOH
2369
A
HOH
2370
4
HOH
HOH
2370
A
HOH
2371
4
HOH
HOH
2371
A
HOH
2372
4
HOH
HOH
2372
A
HOH
2373
4
HOH
HOH
2373
A
HOH
2374
4
HOH
HOH
2374
A
HOH
2375
4
HOH
HOH
2375
A
HOH
2376
4
HOH
HOH
2376
A
HOH
2377
4
HOH
HOH
2377
A
HOH
2378
4
HOH
HOH
2378
A
HOH
2379
4
HOH
HOH
2379
A
HOH
2380
4
HOH
HOH
2380
A
HOH
2381
4
HOH
HOH
2381
A
HOH
2382
4
HOH
HOH
2382
A
HOH
2383
4
HOH
HOH
2383
A
HOH
2384
4
HOH
HOH
2384
A
HOH
2385
4
HOH
HOH
2385
A
HOH
2386
4
HOH
HOH
2386
A
HOH
2387
4
HOH
HOH
2387
A
HOH
2388
4
HOH
HOH
2388
A
HOH
2389
4
HOH
HOH
2389
A
HOH
2390
4
HOH
HOH
2390
A
HOH
2391
4
HOH
HOH
2391
A
HOH
2392
4
HOH
HOH
2392
A
HOH
2393
4
HOH
HOH
2393
A
HOH
2394
4
HOH
HOH
2394
A
HOH
2395
4
HOH
HOH
2395
A
HOH
2396
4
HOH
HOH
2396
A
HOH
2397
4
HOH
HOH
2397
A
HOH
2398
4
HOH
HOH
2398
A
HOH
2399
4
HOH
HOH
2399
A
HOH
2400
4
HOH
HOH
2400
A
HOH
2401
4
HOH
HOH
2401
A
HOH
2402
4
HOH
HOH
2402
A
HOH
2403
4
HOH
HOH
2403
A
HOH
2404
4
HOH
HOH
2404
A
HOH
2405
4
HOH
HOH
2405
A
HOH
2406
4
HOH
HOH
2406
A
HOH
2407
4
HOH
HOH
2407
A
HOH
2408
4
HOH
HOH
2408
A
HOH
2409
4
HOH
HOH
2409
A
HOH
2410
4
HOH
HOH
2410
A
HOH
2411
4
HOH
HOH
2411
A
HOH
2412
4
HOH
HOH
2412
A
HOH
2413
4
HOH
HOH
2413
A
HOH
2414
4
HOH
HOH
2414
A
HOH
2415
4
HOH
HOH
2415
A
HOH
2416
4
HOH
HOH
2416
A
HOH
2417
4
HOH
HOH
2417
A
HOH
2418
4
HOH
HOH
2418
A
HOH
2419
4
HOH
HOH
2419
A
HOH
2420
4
HOH
HOH
2420
A
HOH
2421
4
HOH
HOH
2421
A
HOH
2422
4
HOH
HOH
2422
A
HOH
2423
4
HOH
HOH
2423
A
HOH
2424
4
HOH
HOH
2424
A
HOH
2425
4
HOH
HOH
2425
A
HOH
2426
4
HOH
HOH
2426
A
HOH
2427
4
HOH
HOH
2427
A
HOH
2428
4
HOH
HOH
2428
A
HOH
2429
4
HOH
HOH
2429
A
HOH
2430
4
HOH
HOH
2430
A
HOH
2431
4
HOH
HOH
2431
A
HOH
2432
4
HOH
HOH
2432
A
HOH
2433
4
HOH
HOH
2433
A
HOH
2434
4
HOH
HOH
2434
A
HOH
2435
4
HOH
HOH
2435
A
HOH
2436
4
HOH
HOH
2436
A
HOH
2437
4
HOH
HOH
2437
A
HOH
2438
4
HOH
HOH
2438
A
HOH
2439
4
HOH
HOH
2439
A
HOH
2440
4
HOH
HOH
2440
A
HOH
2441
4
HOH
HOH
2441
A
HOH
2442
4
HOH
HOH
2442
A
HOH
2443
4
HOH
HOH
2443
A
HOH
2444
4
HOH
HOH
2444
A
HOH
2445
4
HOH
HOH
2445
A
HOH
2446
4
HOH
HOH
2446
A
HOH
2447
4
HOH
HOH
2447
A
HOH
2448
4
HOH
HOH
2448
A
HOH
2449
4
HOH
HOH
2449
A
HOH
2450
4
HOH
HOH
2450
A
HOH
2451
4
HOH
HOH
2451
A
HOH
2452
4
HOH
HOH
2452
A
HOH
2453
4
HOH
HOH
2453
A
HOH
2454
4
HOH
HOH
2454
A
HOH
2455
4
HOH
HOH
2455
A
HOH
2456
4
HOH
HOH
2456
A
HOH
2457
4
HOH
HOH
2457
A
HOH
2458
4
HOH
HOH
2458
A
HOH
2459
4
HOH
HOH
2459
A
HOH
2460
4
HOH
HOH
2460
A
HOH
2461
4
HOH
HOH
2461
A
HOH
2462
4
HOH
HOH
2462
A
HOH
2463
4
HOH
HOH
2463
A
HOH
2464
4
HOH
HOH
2464
A
HOH
2465
4
HOH
HOH
2465
A
HOH
2466
4
HOH
HOH
2466
A
HOH
2467
4
HOH
HOH
2467
A
HOH
2468
4
HOH
HOH
2468
A
HOH
2469
4
HOH
HOH
2469
A
HOH
2470
4
HOH
HOH
2470
A
HOH
2471
4
HOH
HOH
2471
A
HOH
2472
4
HOH
HOH
2472
A
HOH
2473
4
HOH
HOH
2473
A
HOH
2474
4
HOH
HOH
2474
A
HOH
2475
4
HOH
HOH
2475
A
HOH
2476
4
HOH
HOH
2476
A
HOH
2477
4
HOH
HOH
2477
A
HOH
2478
4
HOH
HOH
2478
A
HOH
2479
4
HOH
HOH
2479
A
HOH
2480
4
HOH
HOH
2480
A
HOH
2481
4
HOH
HOH
2481
A
HOH
2482
4
HOH
HOH
2482
A
HOH
2483
4
HOH
HOH
2483
A
HOH
2484
4
HOH
HOH
2484
A
HOH
2485
4
HOH
HOH
2485
A
HOH
2486
4
HOH
HOH
2486
A
HOH
2487
4
HOH
HOH
2487
A
HOH
2488
4
HOH
HOH
2488
A
HOH
2489
4
HOH
HOH
2489
A
HOH
2490
4
HOH
HOH
2490
A
HOH
2491
4
HOH
HOH
2491
A
HOH
2492
4
HOH
HOH
2492
A
HOH
2493
4
HOH
HOH
2493
A
HOH
2494
4
HOH
HOH
2494
A
n
1
0
A
n
2
1
A
n
3
2
A
n
4
3
A
n
5
4
A
n
6
5
A
GLU
6
n
7
GLU
6
A
ILE
7
n
8
ILE
7
A
ASN
8
n
9
ASN
8
A
GLU
9
n
10
GLU
9
A
LYS
10
n
11
LYS
10
A
ASP
11
n
12
ASP
11
A
LEU
12
n
13
LEU
12
A
ARG
13
n
14
ARG
13
A
LYS
14
n
15
LYS
14
A
LYS
15
n
16
LYS
15
A
SER
16
n
17
SER
16
A
GLU
17
n
18
GLU
17
A
LEU
18
n
19
LEU
18
A
GLN
19
n
20
GLN
19
A
GLY
20
n
21
GLY
20
A
THR
21
n
22
THR
21
A
ALA
22
n
23
ALA
22
A
LEU
23
n
24
LEU
23
A
GLY
24
n
25
GLY
24
A
ASN
25
n
26
ASN
25
A
LEU
26
n
27
LEU
26
A
LYS
27
n
28
LYS
27
A
GLN
28
n
29
GLN
28
A
ILE
29
n
30
ILE
29
A
TYR
30
n
31
TYR
30
A
TYR
31
n
32
TYR
31
A
TYR
32
n
33
TYR
32
A
ASN
33
n
34
ASN
33
A
GLU
34
n
35
GLU
34
A
LYS
35
n
36
LYS
35
A
ALA
36
n
37
ALA
36
A
LYS
37
n
38
LYS
37
A
THR
38
n
39
THR
38
A
GLU
39
n
40
GLU
39
A
ASN
40
n
41
ASN
40
A
LYS
41
n
42
LYS
41
A
GLU
42
n
43
GLU
42
A
SER
43
n
44
SER
43
A
HIS
44
n
45
HIS
44
A
ASP
45
n
46
ASP
45
A
GLN
46
n
47
GLN
46
A
PHE
47
n
48
PHE
47
A
ARG
48
n
49
ARG
48
A
GLN
49
n
50
GLN
49
A
HIS
50
n
51
HIS
50
A
THR
51
n
52
THR
51
A
ILE
52
n
53
ILE
52
A
LEU
53
n
54
LEU
53
A
PHE
54
n
55
PHE
54
A
LYS
55
n
56
LYS
55
A
GLY
56
n
57
GLY
56
A
PHE
57
n
58
PHE
57
A
PHE
58
n
59
PHE
58
A
THR
59
n
60
THR
59
A
ASP
60
n
61
ASP
60
A
HIS
61
n
62
HIS
61
A
SER
62
n
63
SER
62
A
TRP
63
n
64
TRP
63
A
TYR
64
n
65
TYR
64
A
ASN
65
n
66
ASN
65
A
ASP
66
n
67
ASP
66
A
LEU
67
n
68
LEU
67
A
LEU
68
n
69
LEU
68
A
VAL
69
n
70
VAL
69
A
ARG
70
n
71
ARG
70
A
PHE
71
n
72
PHE
71
A
ASP
72
n
73
ASP
72
A
SER
73
n
74
SER
73
A
LYS
74
n
75
LYS
74
A
ASP
75
n
76
ASP
75
A
ILE
76
n
77
ILE
76
A
VAL
77
n
78
VAL
77
A
ASP
78
n
79
ASP
78
A
LYS
79
n
80
LYS
79
A
TYR
80
n
81
TYR
80
A
LYS
81
n
82
LYS
81
A
GLY
82
n
83
GLY
82
A
LYS
83
n
84
LYS
83
A
LYS
84
n
85
LYS
84
A
VAL
85
n
86
VAL
85
A
ASP
86
n
87
ASP
86
A
LEU
87
n
88
LEU
87
A
TYR
88
n
89
TYR
88
A
GLY
89
n
90
GLY
89
A
ALA
90
n
91
ALA
90
A
TYR
91
n
92
TYR
91
A
ALA
92
n
93
ALA
92
A
GLY
93
n
94
GLY
93
A
TYR
94
n
95
TYR
94
A
GLN
95
n
96
GLN
95
A
CYS
96
n
97
CYS
96
A
ALA
97
n
98
ALA
97
A
GLY
98
n
99
GLY
98
A
GLY
99
n
100
GLY
99
A
THR
100
n
101
THR
100
A
PRO
101
n
102
PRO
101
A
ASN
102
n
103
ASN
102
A
LYS
103
n
104
LYS
103
A
THR
104
n
105
THR
104
A
ALA
105
n
106
ALA
105
A
CYS
106
n
107
CYS
106
A
MET
107
n
108
MET
107
A
TYR
108
n
109
TYR
108
A
GLY
109
n
110
GLY
109
A
GLY
110
n
111
GLY
110
A
VAL
111
n
112
VAL
111
A
THR
112
n
113
THR
112
A
LEU
113
n
114
LEU
113
A
HIS
114
n
115
HIS
114
A
ASP
115
n
116
ASP
115
A
ASN
116
n
117
ASN
116
A
ASN
117
n
118
ASN
117
A
ARG
118
n
119
ARG
118
A
LEU
119
n
120
LEU
119
A
THR
120
n
121
THR
120
A
GLU
121
n
122
GLU
121
A
GLU
122
n
123
GLU
122
A
LYS
123
n
124
LYS
123
A
LYS
124
n
125
LYS
124
A
VAL
125
n
126
VAL
125
A
PRO
126
n
127
PRO
126
A
ILE
127
n
128
ILE
127
A
ASN
128
n
129
ASN
128
A
LEU
129
n
130
LEU
129
A
TRP
130
n
131
TRP
130
A
LEU
131
n
132
LEU
131
A
ASP
132
n
133
ASP
132
A
GLY
133
n
134
GLY
133
A
LYS
134
n
135
LYS
134
A
GLN
135
n
136
GLN
135
A
ASN
136
n
137
ASN
136
A
THR
137
n
138
THR
137
A
VAL
138
n
139
VAL
138
A
PRO
139
n
140
PRO
139
A
LEU
140
n
141
LEU
140
A
GLU
141
n
142
GLU
141
A
THR
142
n
143
THR
142
A
VAL
143
n
144
VAL
143
A
LYS
144
n
145
LYS
144
A
THR
145
n
146
THR
145
A
ASN
146
n
147
ASN
146
A
LYS
147
n
148
LYS
147
A
LYS
148
n
149
LYS
148
A
ASN
149
n
150
ASN
149
A
VAL
150
n
151
VAL
150
A
THR
151
n
152
THR
151
A
VAL
152
n
153
VAL
152
A
GLN
153
n
154
GLN
153
A
GLU
154
n
155
GLU
154
A
LEU
155
n
156
LEU
155
A
ASP
156
n
157
ASP
156
A
LEU
157
n
158
LEU
157
A
GLN
158
n
159
GLN
158
A
ALA
159
n
160
ALA
159
A
ARG
160
n
161
ARG
160
A
ARG
161
n
162
ARG
161
A
TYR
162
n
163
TYR
162
A
LEU
163
n
164
LEU
163
A
GLN
164
n
165
GLN
164
A
GLU
165
n
166
GLU
165
A
LYS
166
n
167
LYS
166
A
TYR
167
n
168
TYR
167
A
ASN
168
n
169
ASN
168
A
LEU
169
n
170
LEU
169
A
TYR
170
n
171
TYR
170
A
ASN
171
n
172
ASN
171
A
SER
172
n
173
SER
172
A
ASP
173
n
174
ASP
173
A
VAL
174
n
175
VAL
174
A
PHE
175
n
176
PHE
175
A
ASP
176
n
177
ASP
176
A
GLY
177
n
178
GLY
177
A
LYS
178
n
179
LYS
178
A
VAL
179
n
180
VAL
179
A
GLN
180
n
181
GLN
180
A
ARG
181
n
182
ARG
181
A
GLY
182
n
183
GLY
182
A
LEU
183
n
184
LEU
183
A
ILE
184
n
185
ILE
184
A
VAL
185
n
186
VAL
185
A
PHE
186
n
187
PHE
186
A
HIS
187
n
188
HIS
187
A
THR
188
n
189
THR
188
A
SER
189
n
190
SER
189
A
THR
190
n
191
THR
190
A
GLU
191
n
192
GLU
191
A
PRO
192
n
193
PRO
192
A
SER
193
n
194
SER
193
A
VAL
194
n
195
VAL
194
A
ASN
195
n
196
ASN
195
A
TYR
196
n
197
TYR
196
A
ASP
197
n
198
ASP
197
A
LEU
198
n
199
LEU
198
A
PHE
199
n
200
PHE
199
A
GLY
200
n
201
GLY
200
A
ALA
201
n
202
ALA
201
A
GLN
202
n
203
GLN
202
A
GLY
203
n
204
GLY
203
A
GLN
204
n
205
GLN
204
A
TYR
205
n
206
TYR
205
A
SER
206
n
207
SER
206
A
ASN
207
n
208
ASN
207
A
THR
208
n
209
THR
208
A
LEU
209
n
210
LEU
209
A
LEU
210
n
211
LEU
210
A
ARG
211
n
212
ARG
211
A
ILE
212
n
213
ILE
212
A
TYR
213
n
214
TYR
213
A
ARG
214
n
215
ARG
214
A
ASP
215
n
216
ASP
215
A
ASN
216
n
217
ASN
216
A
LYS
217
n
218
LYS
217
A
THR
218
n
219
THR
218
A
ILE
219
n
220
ILE
219
A
ASN
220
n
221
ASN
220
A
SER
221
n
222
SER
221
A
GLU
222
n
223
GLU
222
A
ASN
223
n
224
ASN
223
A
MET
224
n
225
MET
224
A
HIS
225
n
226
HIS
225
A
ILE
226
n
227
ILE
226
A
ASP
227
n
228
ASP
227
A
ILE
228
n
229
ILE
228
A
TYR
229
n
230
TYR
229
A
LEU
230
n
231
LEU
230
A
TYR
231
n
232
TYR
231
A
THR
232
n
233
THR
232
A
SER
233
n
234
SER
233
A
software_defined_assembly
PQS
1
monomeric
A
HIS
44
A
NE2
HIS
45
2_675
A
ZN
234
B
ZN
ZN
1_555
A
HIS
187
A
ND1
HIS
188
1_555
110.5
A
HIS
44
A
NE2
HIS
45
2_675
A
ZN
234
B
ZN
ZN
1_555
A
HIS
225
A
NE2
HIS
226
1_555
119.3
A
HIS
187
A
ND1
HIS
188
1_555
A
ZN
234
B
ZN
ZN
1_555
A
HIS
225
A
NE2
HIS
226
1_555
102.0
A
HIS
44
A
NE2
HIS
45
2_675
A
ZN
234
B
ZN
ZN
1_555
A
ASP
227
A
OD2
ASP
228
1_555
105.3
A
HIS
187
A
ND1
HIS
188
1_555
A
ZN
234
B
ZN
ZN
1_555
A
ASP
227
A
OD2
ASP
228
1_555
104.3
A
HIS
225
A
NE2
HIS
226
1_555
A
ZN
234
B
ZN
ZN
1_555
A
ASP
227
A
OD2
ASP
228
1_555
114.5
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
A
N
LYS
41
A
N
LYS
42
A
O
VAL
85
A
O
VAL
86
A
N
ASP
86
A
N
ASP
87
A
O
THR
112
A
O
THR
113
A
N
LYS
41
A
N
LYS
42
A
O
VAL
85
A
O
VAL
86
A
N
ALA
92
A
N
ALA
93
A
O
CYS
106
A
O
CYS
107
A
N
ALA
105
A
N
ALA
106
A
O
ASP
66
A
O
ASP
67
A
N
VAL
69
A
N
VAL
70
A
O
ILE
52
A
O
ILE
53
A
N
LYS
123
A
N
LYS
124
A
O
THR
145
A
O
THR
146
A
N
ASN
136
A
N
ASN
137
A
O
LEU
129
A
O
LEU
130
A
N
ASN
128
A
N
ASN
129
A
O
ILE
226
A
O
ILE
227
A
N
TYR
231
A
N
TYR
232
A
O
ARG
181
A
O
ARG
182
A
N
PHE
186
A
N
PHE
187
A
O
VAL
194
A
O
VAL
195
A
N
VAL
150
A
N
VAL
151
A
O
ILE
219
A
O
ILE
220
1
A
CG
GLU
9
A
CG
GLU
10
1
Y
1
A
CD
GLU
9
A
CD
GLU
10
1
Y
1
A
OE1
GLU
9
A
OE1
GLU
10
1
Y
1
A
OE2
GLU
9
A
OE2
GLU
10
1
Y
1
A
CB
ASP
60
A
CB
ASP
61
1
Y
1
A
CG
ASP
60
A
CG
ASP
61
1
Y
1
A
OD1
ASP
60
A
OD1
ASP
61
1
Y
1
A
OD2
ASP
60
A
OD2
ASP
61
1
Y
1
A
CB
GLU
191
A
CB
GLU
192
1
Y
1
A
CG
GLU
191
A
CG
GLU
192
1
Y
1
A
CD
GLU
191
A
CD
GLU
192
1
Y
1
A
OE1
GLU
191
A
OE1
GLU
192
1
Y
1
A
OE2
GLU
191
A
OE2
GLU
192
1
Y
1
A
MET
0
A
MET
1
1
Y
1
A
SER
1
A
SER
2
1
Y
1
A
GLU
2
A
GLU
3
1
Y
1
A
LYS
3
A
LYS
4
1
Y
1
A
SER
4
A
SER
5
1
Y
1
A
GLU
5
A
GLU
6
1
Y
1
A
HIS
50
11.95
1
4.77
0.70
109.00
113.77
A
A
A
CE1
NE2
CD2
HIS
HIS
HIS
44
44
44
N
1
5.48
0.90
118.30
123.78
A
A
A
CB
CG
OD1
ASP
ASP
ASP
115
115
115
N
1
3.75
0.50
120.30
124.05
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
118
118
118
N
1
7.52
0.90
118.30
125.82
A
A
A
CB
CG
OD1
ASP
ASP
ASP
215
215
215
N
1
-5.98
0.90
118.30
112.32
A
A
A
CB
CG
OD2
ASP
ASP
ASP
227
227
227
N
1
A
ARG
48
-170.43
-173.49
1
A
GLN
49
50.27
-140.77
1
A
HIS
50
-115.04
69.88
1
A
TRP
63
-137.35
-43.64
1
A
PHE
175
-100.97
43.89
1
A
GLU
191
95.17
130.44
20.0
RESIDUES GLU 9, ASP 60 AND GLU 191 ARE IN WEAK DENSITY AND SIDE CHAIN ATOMS WERE NOT REFINED.
0.236
0.191
1.50
43.187
1830
35972
5.0
82.84
1.726
0.063
RANDOM
1
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
0.097
0.101
PDB ENTRY 1ESF
1.50
43.187
494
2361
6
0
1861
0.016
0.020
0.018
0.020
0.026
0.030
1.560
2.000
2.268
3.000
2.771
3.000
3.902
4.000
0.026
0.030
0.151
0.150
0.181
0.300
0.264
0.300
0.093
0.300
5.086
7.00
14.529
15.000
27.015
20.000
17.5
1.500
43.190
1DYQ
35972
0.06100
1
7.0000
4.500
82.8
1.50
1.54
4.400
0.13500
1
2.80
46.7
refinement
REFMAC
data reduction
MOSFLM
data scaling
SCALA
phasing
EPMR
STAPHYLOCOCCAL ENTEROTOXIN A MUTANT VACCINE
1
N
N
2
N
N
3
N
N
4
N
N
BIOLOGICAL UNIT: MONOMER
A
ASN
8
A
ASN
9
HELX_P
A
LEU
12
A
LEU
13
5
1
5
A
LYS
14
A
LYS
15
HELX_P
A
LEU
18
A
LEU
19
5
2
5
A
THR
21
A
THR
22
HELX_P
A
TYR
32
A
TYR
33
1
3
12
A
SER
73
A
SER
74
HELX_P
A
LYS
81
A
LYS
82
1
4
9
A
GLY
93
A
GLY
94
HELX_P
A
CYS
96
A
CYS
97
5
5
4
A
VAL
152
A
VAL
153
HELX_P
A
ASN
168
A
ASN
169
1
6
17
A
SER
172
A
SER
173
HELX_P
A
ASP
176
A
ASP
177
5
7
5
A
TYR
205
A
TYR
206
HELX_P
A
ARG
214
A
ARG
215
5
8
10
disulf
2.115
A
CYS
96
A
SG
CYS
97
1_555
A
CYS
106
A
SG
CYS
107
1_555
metalc
2.152
A
HIS
44
A
NE2
HIS
45
2_675
A
ZN
234
B
ZN
ZN
1_555
metalc
2.265
A
HIS
187
A
ND1
HIS
188
1_555
A
ZN
234
B
ZN
ZN
1_555
metalc
2.223
A
HIS
225
A
NE2
HIS
226
1_555
A
ZN
234
B
ZN
ZN
1_555
metalc
2.175
A
ASP
227
A
OD2
ASP
228
1_555
A
ZN
234
B
ZN
ZN
1_555
ENTEROTOXIN
ENTEROTOXIN, STAPHYLOCOCCAL ENTEROTOXIN TYPE A, VACCINE
ETXA_STAAU
UNP
1
25
P0A0L2
SEKSEEINEKDLRKKSELQGTALGNLKQIYYYNEKAKTENKESHDQFLQHTILFKGFFTDHSWYNDLLVDFDSKDIVDKY
KGKKVDLYGAYYGYQCAGGTPNKTACMYGGVTLHDNNRLTEEKKVPINLWLDGKQNTVPLETVKTNKKNVTVQELDLQAR
RYLQEKYNLYNSDVFDGKVQRGLIVFHTSTEPSVNYDLFGAQGQYSNTLLRIYRDNKTINSENMHIDIYLYTS
25
257
1DYQ
1
233
P0A0L2
A
1
2
234
1
initiating methionine
MET
0
1DYQ
A
P0A0L2
UNP
1
1
LEU
engineered mutation
ARG
48
1DYQ
A
P0A0L2
UNP
72
49
1
ASP
engineered mutation
ARG
70
1DYQ
A
P0A0L2
UNP
94
71
1
TYR
engineered mutation
ALA
92
1DYQ
A
P0A0L2
UNP
116
93
3
5
2
5
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
LYS
35
A
LYS
36
A
LYS
41
A
LYS
42
A
VAL
85
A
VAL
86
A
ALA
92
A
ALA
93
A
VAL
111
A
VAL
112
A
LEU
113
A
LEU
114
A
LYS
35
A
LYS
36
A
LYS
41
A
LYS
42
A
VAL
85
A
VAL
86
A
ALA
92
A
ALA
93
A
THR
104
A
THR
105
A
TYR
108
A
TYR
109
A
ASP
66
A
ASP
67
A
ARG
70
A
ARG
71
A
THR
51
A
THR
52
A
PHE
54
A
PHE
55
A
ARG
118
A
ARG
119
A
LYS
124
A
LYS
125
A
LYS
144
A
LYS
145
A
LYS
147
A
LYS
148
A
LYS
134
A
LYS
135
A
ASN
136
A
ASN
137
A
ILE
127
A
ILE
128
A
LEU
131
A
LEU
132
A
HIS
225
A
HIS
226
A
TYR
231
A
TYR
232
A
ARG
181
A
ARG
182
A
HIS
187
A
HIS
188
A
VAL
194
A
VAL
195
A
ASP
197
A
ASP
198
A
ASN
149
A
ASN
150
A
THR
151
A
THR
152
A
THR
218
A
THR
219
A
ASN
220
A
ASN
221
BINDING SITE FOR RESIDUE ZN A 234
A
ZN
234
Software
4
BINDING SITE FOR RESIDUE SO4 A 235
A
SO4
235
Software
10
A
HIS
44
A
HIS
45
4
1_555
A
HIS
187
A
HIS
188
4
1_555
A
HIS
225
A
HIS
226
4
1_555
A
ASP
227
A
ASP
228
4
1_555
A
TYR
64
A
TYR
65
10
1_555
A
GLY
93
A
GLY
94
10
1_555
A
TYR
94
A
TYR
95
10
1_555
A
ARG
211
A
ARG
212
10
1_555
A
ARG
214
A
ARG
215
10
1_555
A
HOH
2490
D
HOH
10
1_555
A
HOH
2491
D
HOH
10
1_555
A
HOH
2492
D
HOH
10
1_555
A
HOH
2493
D
HOH
10
1_555
A
HOH
2494
D
HOH
10
1_555
19
P 21 21 21