0.011009
0.000000
0.000000
0.000000
0.009592
0.000000
0.000000
0.000000
0.009275
0.00000
0.00000
0.00000
Swain, A.
Crowther, R.
Kammlott, U.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
90.838
104.252
107.818
C2 H4 O
44.053
ACETYL GROUP
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C9 H17 N O2
171.237
n
2-AMINO-3-CYCLOHEXYL-PROPIONIC ACID
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
C13 H14 N2 O3
246.262
5-AMINO-4-OXO-1,2,4,5,6,7-HEXAHYDRO-AZEPINO[3,2,1-HI]INDOLE-2-CARBOXYLIC ACID
peptide-like
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
C4 H9 N O2
103.120
n
N-methyl-L-alanine
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 H9 N O2
91.109
n
2-AMINO-1,3-PROPANEDIOL
SERINOL
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
N
3
N
C
N
4
N
H
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
N
N
9
S
C
N
10
N
C
N
11
N
O
N
12
N
C
N
13
N
O
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
H
N
20
N
H
N
21
N
N
N
22
S
C
N
23
N
C
N
24
N
O
N
25
N
C
N
26
N
C
N
27
N
C
N
28
N
C
N
29
N
C
N
30
N
C
N
31
N
C
N
32
N
O
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
N
N
51
S
C
N
52
N
C
N
53
N
O
N
54
N
C
N
55
N
C
N
56
N
C
N
57
N
N
N
58
N
C
N
59
N
N
N
60
N
N
N
61
N
O
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
H
N
72
N
H
N
73
N
H
N
74
N
H
N
75
N
H
N
76
N
H
N
77
N
N
N
78
S
C
N
79
N
C
N
80
N
O
N
81
N
C
N
82
N
C
N
83
N
O
N
84
N
N
N
85
N
O
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
O
N
101
N
O
N
102
N
O
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
N
N
111
R
C
N
112
N
C
N
113
N
O
N
114
N
C
N
115
N
S
N
116
N
O
N
117
N
H
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
N
N
125
S
C
N
126
N
C
N
127
N
O
N
128
N
C
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
N
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
N
C
N
149
N
C
N
150
N
C
N
151
N
O
N
152
N
O
N
153
N
O
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
N
N
164
N
C
N
165
N
C
N
166
N
O
N
167
N
O
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
N
N
174
S
C
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
O
N
179
N
N
N
180
S
C
N
181
N
C
Y
182
N
C
Y
183
N
C
Y
184
N
C
Y
185
N
C
Y
186
N
C
Y
187
N
C
N
188
N
C
N
189
N
O
N
190
N
O
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
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
Y
210
N
C
Y
211
N
N
Y
212
N
C
Y
213
N
C
Y
214
N
N
N
215
N
O
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
O
N
227
N
H
N
228
N
H
N
229
N
N
N
230
S
C
N
231
N
C
N
232
N
O
N
233
S
C
N
234
N
C
N
235
N
C
N
236
N
C
N
237
N
O
N
238
N
H
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
H
N
251
N
N
N
252
S
C
N
253
N
C
N
254
N
O
N
255
N
C
N
256
N
C
N
257
N
C
N
258
N
C
N
259
N
O
N
260
N
H
N
261
N
H
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
C
N
281
N
N
N
282
N
O
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
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
N
N
299
N
C
N
300
S
C
N
301
N
C
N
302
N
C
N
303
N
O
N
304
N
O
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
N
N
315
S
C
N
316
N
C
N
317
N
O
N
318
N
C
N
319
N
C
N
320
N
S
N
321
N
C
N
322
N
O
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
H
N
332
N
H
N
333
N
H
N
334
N
N
N
335
S
C
N
336
N
C
N
337
N
O
N
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
Y
342
N
C
Y
343
N
C
Y
344
N
C
N
345
N
O
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
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
N
N
358
S
C
N
359
N
C
N
360
N
O
N
361
N
C
N
362
N
C
N
363
N
C
N
364
N
O
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
H
N
373
N
H
N
374
N
N
N
375
N
C
N
376
N
C
N
377
N
O
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
N
N
390
S
C
N
391
N
C
N
392
N
O
N
393
N
C
N
394
N
O
N
395
N
O
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
N
N
404
S
C
N
405
N
C
N
406
N
O
N
407
R
C
N
408
N
O
N
409
N
C
N
410
N
O
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
H
N
415
N
H
N
416
N
H
N
417
N
H
N
418
N
H
N
419
N
H
N
420
N
N
N
421
S
C
N
422
N
C
N
423
N
O
N
424
N
C
Y
425
N
C
Y
426
N
C
Y
427
N
C
Y
428
N
N
Y
429
N
C
Y
430
N
C
Y
431
N
C
Y
432
N
C
Y
433
N
C
N
434
N
O
N
435
N
H
N
436
N
H
N
437
N
H
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
N
N
448
S
C
N
449
N
C
N
450
N
O
N
451
N
C
Y
452
N
C
Y
453
N
C
Y
454
N
C
Y
455
N
C
Y
456
N
C
Y
457
N
C
N
458
N
O
N
459
N
O
N
460
N
H
N
461
N
H
N
462
N
H
N
463
N
H
N
464
N
H
N
465
N
H
N
466
N
H
N
467
N
H
N
468
N
H
N
469
N
H
N
470
N
H
N
471
N
N
N
472
S
C
N
473
N
C
N
474
N
O
N
475
N
C
N
476
N
C
N
477
N
C
N
478
N
O
N
479
N
H
N
480
N
H
N
481
N
H
N
482
N
H
N
483
N
H
N
484
N
H
N
485
N
H
N
486
N
H
N
487
N
H
N
488
N
H
N
489
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
doub
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
doub
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
sing
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
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
doub
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
doub
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
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
doub
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
doub
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
doub
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
sing
N
109
N
sing
N
110
N
sing
N
111
N
doub
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
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
doub
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
doub
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
doub
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
doub
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
doub
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
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
doub
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
Y
186
N
doub
Y
187
N
sing
Y
188
N
sing
Y
189
N
doub
N
190
N
sing
Y
191
N
doub
Y
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
doub
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
doub
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
Y
209
N
sing
Y
210
N
doub
Y
211
N
doub
N
212
N
sing
Y
213
N
sing
N
214
N
sing
Y
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
doub
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
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
doub
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
doub
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
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
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
doub
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
sing
N
325
N
sing
N
326
N
sing
N
327
N
doub
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
Y
332
N
doub
Y
333
N
sing
Y
334
N
sing
N
335
N
sing
Y
336
N
doub
N
337
N
sing
Y
338
N
doub
N
339
N
sing
Y
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
doub
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
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
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
N
380
N
sing
N
381
N
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
doub
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
doub
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
Y
415
N
doub
Y
416
N
sing
Y
417
N
sing
N
418
N
sing
Y
419
N
doub
Y
420
N
sing
Y
421
N
sing
N
422
N
sing
Y
423
N
sing
Y
424
N
doub
N
425
N
sing
Y
426
N
doub
N
427
N
sing
Y
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
doub
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
Y
443
N
doub
Y
444
N
sing
Y
445
N
sing
N
446
N
sing
Y
447
N
doub
N
448
N
sing
Y
449
N
doub
N
450
N
sing
Y
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
sing
N
457
N
sing
N
458
N
sing
N
459
N
sing
N
460
N
sing
N
461
N
sing
N
462
N
doub
N
463
N
sing
N
464
N
sing
N
465
N
sing
N
466
N
sing
N
467
N
sing
N
468
N
sing
N
469
N
sing
N
470
N
sing
N
471
N
sing
N
472
N
sing
N
473
N
sing
US
J.Med.Chem.
JMCMAR
0151
0022-2623
43
2135
2148
10.1021/jm000034h
10841792
Peptide and peptide mimetic inhibitors of antigen presentation by HLA-DR class II MHC molecules. Design, structure-activity relationships, and X-ray crystal structures.
2000
10.2210/pdb1d5x/pdb
pdb_00001d5x
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
294.0
1
IMAGE PLATE
1994-01-01
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.54
1.0
1.54
ROTATING ANODE
RIGAKU RU200
21084.826
HLA CLASS II HISTOCOMPATIBILITY ANTIGEN
DR ALPHA CHAIN, EXTRACELLULAR DOMAIN
1
man
polymer
22520.021
HLA CLASS II HISTOCOMPATIBILITY ANTIGEN
DR-4 BETA CHAIN, EXTRACELLULAR DOMAIN
1
man
polymer
28411.064
ENTEROTOXIN TYPE B
1
nat
polymer
740.914
DIPEPTIDE MIMETIC INHIBITOR
1
syn
polymer
18.015
water
10
nat
water
HLA-DR4
HLA-DR4
SEB, SUPERANTIGEN
no
no
IKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYT
PITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDV
YDCRVEHWGLDEPLLKHWEFD
IKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYT
PITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDV
YDCRVEHWGLDEPLLKHWEFD
A
polypeptide(L)
no
no
GDTRPRFLEQVKHECHFFNGTERVRFLDRYFYHQEEYVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQKRAAVDTYCR
HNYGVGESFTVQRRVYPEVTVYPAKTQPLQHHNLLVCSVNGFYPGSIEVRWFRNGQEEKTGVVSTGLIQNGDWTFQTLVM
LETVPRSGEVYTCQVEHPSLTSPLTVEWRARS
GDTRPRFLEQVKHECHFFNGTERVRFLDRYFYHQEEYVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQKRAAVDTYCR
HNYGVGESFTVQRRVYPEVTVYPAKTQPLQHHNLLVCSVNGFYPGSIEVRWFRNGQEEKTGVVSTGLIQNGDWTFQTLVM
LETVPRSGEVYTCQVEHPSLTSPLTVEWRARS
B
polypeptide(L)
no
no
ESQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDK
YVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQEL
DYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTKKK
ESQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDK
YVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQEL
DYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTKKK
C
polypeptide(L)
no
yes
(ACE)(ALC)R(MAA)(HAQ)(SEL)
XARAXS
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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n
n
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n
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n
n
n
n
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n
n
n
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n
n
n
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n
n
n
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n
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n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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n
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n
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n
n
human
Homo
fruit fly
Drosophila
sample
9606
Homo sapiens
7227
Drosophila melanogaster
human
Homo
fruit fly
Drosophila
sample
9606
Homo sapiens
7227
Drosophila melanogaster
Staphylococcus
sample
1280
Staphylococcus aureus
1
3.51
64.93
database_2
pdbx_validate_polymer_linkage
struct_conn
atom_site
chem_comp_atom
chem_comp_bond
pdbx_validate_rmsd_angle
struct_conn
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Other
Advisory
Database references
Derived calculations
Atomic model
Data collection
Derived calculations
1
0
2000-06-28
1
1
2008-04-27
1
2
2011-07-13
1
3
2012-12-12
1
4
2023-05-31
2
0
2023-11-15
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_atom_site.auth_atom_id
_atom_site.label_atom_id
_struct_conn.ptnr1_label_atom_id
RCSB
Y
RCSB
1999-10-12
REL
REL
HOH
water
THE PEPTIDE WAS CHEMICALLY SYNTHESIZED.
sample
INHIBITOR WAS BOUND TO MHC; SUBSEQUENTLY COMPLEX WITH SEB WAS FORMED
Inhibitor
ACE-HAC-ARG-MAA-HAQ-SEL
Peptide-like
HOH
902
5
HOH
HOH
902
A
HOH
903
5
HOH
HOH
903
A
HOH
904
5
HOH
HOH
904
A
HOH
905
5
HOH
HOH
905
A
HOH
906
5
HOH
HOH
906
A
HOH
907
5
HOH
HOH
907
A
HOH
908
5
HOH
HOH
908
A
HOH
925
5
HOH
HOH
925
C
HOH
928
5
HOH
HOH
928
C
HOH
929
5
HOH
HOH
929
C
n
1
1
A
n
2
2
A
GLU
3
n
3
GLU
3
A
GLU
4
n
4
GLU
4
A
HIS
5
n
5
HIS
5
A
VAL
6
n
6
VAL
6
A
ILE
7
n
7
ILE
7
A
ILE
8
n
8
ILE
8
A
GLN
9
n
9
GLN
9
A
ALA
10
n
10
ALA
10
A
GLU
11
n
11
GLU
11
A
PHE
12
n
12
PHE
12
A
TYR
13
n
13
TYR
13
A
LEU
14
n
14
LEU
14
A
ASN
15
n
15
ASN
15
A
PRO
16
n
16
PRO
16
A
ASP
17
n
17
ASP
17
A
GLN
18
n
18
GLN
18
A
SER
19
n
19
SER
19
A
GLY
20
n
20
GLY
20
A
GLU
21
n
21
GLU
21
A
PHE
22
n
22
PHE
22
A
MET
23
n
23
MET
23
A
PHE
24
n
24
PHE
24
A
ASP
25
n
25
ASP
25
A
PHE
26
n
26
PHE
26
A
ASP
27
n
27
ASP
27
A
GLY
28
n
28
GLY
28
A
ASP
29
n
29
ASP
29
A
GLU
30
n
30
GLU
30
A
ILE
31
n
31
ILE
31
A
PHE
32
n
32
PHE
32
A
HIS
33
n
33
HIS
33
A
VAL
34
n
34
VAL
34
A
ASP
35
n
35
ASP
35
A
MET
36
n
36
MET
36
A
ALA
37
n
37
ALA
37
A
LYS
38
n
38
LYS
38
A
LYS
39
n
39
LYS
39
A
GLU
40
n
40
GLU
40
A
THR
41
n
41
THR
41
A
VAL
42
n
42
VAL
42
A
TRP
43
n
43
TRP
43
A
ARG
44
n
44
ARG
44
A
LEU
45
n
45
LEU
45
A
GLU
46
n
46
GLU
46
A
GLU
47
n
47
GLU
47
A
PHE
48
n
48
PHE
48
A
GLY
49
n
49
GLY
49
A
ARG
50
n
50
ARG
50
A
PHE
51
n
51
PHE
51
A
ALA
52
n
52
ALA
52
A
SER
53
n
53
SER
53
A
PHE
54
n
54
PHE
54
A
GLU
55
n
55
GLU
55
A
ALA
56
n
56
ALA
56
A
GLN
57
n
57
GLN
57
A
GLY
58
n
58
GLY
58
A
ALA
59
n
59
ALA
59
A
LEU
60
n
60
LEU
60
A
ALA
61
n
61
ALA
61
A
ASN
62
n
62
ASN
62
A
ILE
63
n
63
ILE
63
A
ALA
64
n
64
ALA
64
A
VAL
65
n
65
VAL
65
A
ASP
66
n
66
ASP
66
A
LYS
67
n
67
LYS
67
A
ALA
68
n
68
ALA
68
A
ASN
69
n
69
ASN
69
A
LEU
70
n
70
LEU
70
A
GLU
71
n
71
GLU
71
A
ILE
72
n
72
ILE
72
A
MET
73
n
73
MET
73
A
THR
74
n
74
THR
74
A
LYS
75
n
75
LYS
75
A
ARG
76
n
76
ARG
76
A
SER
77
n
77
SER
77
A
ASN
78
n
78
ASN
78
A
TYR
79
n
79
TYR
79
A
THR
80
n
80
THR
80
A
PRO
81
n
81
PRO
81
A
ILE
82
n
82
ILE
82
A
THR
83
n
83
THR
83
A
ASN
84
n
84
ASN
84
A
VAL
85
n
85
VAL
85
A
PRO
86
n
86
PRO
86
A
PRO
87
n
87
PRO
87
A
GLU
88
n
88
GLU
88
A
VAL
89
n
89
VAL
89
A
THR
90
n
90
THR
90
A
VAL
91
n
91
VAL
91
A
LEU
92
n
92
LEU
92
A
THR
93
n
93
THR
93
A
ASN
94
n
94
ASN
94
A
SER
95
n
95
SER
95
A
PRO
96
n
96
PRO
96
A
VAL
97
n
97
VAL
97
A
GLU
98
n
98
GLU
98
A
LEU
99
n
99
LEU
99
A
ARG
100
n
100
ARG
100
A
GLU
101
n
101
GLU
101
A
PRO
102
n
102
PRO
102
A
ASN
103
n
103
ASN
103
A
VAL
104
n
104
VAL
104
A
LEU
105
n
105
LEU
105
A
ILE
106
n
106
ILE
106
A
CYS
107
n
107
CYS
107
A
PHE
108
n
108
PHE
108
A
ILE
109
n
109
ILE
109
A
ASP
110
n
110
ASP
110
A
LYS
111
n
111
LYS
111
A
PHE
112
n
112
PHE
112
A
THR
113
n
113
THR
113
A
PRO
114
n
114
PRO
114
A
PRO
115
n
115
PRO
115
A
VAL
116
n
116
VAL
116
A
VAL
117
n
117
VAL
117
A
ASN
118
n
118
ASN
118
A
VAL
119
n
119
VAL
119
A
THR
120
n
120
THR
120
A
TRP
121
n
121
TRP
121
A
LEU
122
n
122
LEU
122
A
ARG
123
n
123
ARG
123
A
ASN
124
n
124
ASN
124
A
GLY
125
n
125
GLY
125
A
LYS
126
n
126
LYS
126
A
PRO
127
n
127
PRO
127
A
VAL
128
n
128
VAL
128
A
THR
129
n
129
THR
129
A
THR
130
n
130
THR
130
A
GLY
131
n
131
GLY
131
A
VAL
132
n
132
VAL
132
A
SER
133
n
133
SER
133
A
GLU
134
n
134
GLU
134
A
THR
135
n
135
THR
135
A
VAL
136
n
136
VAL
136
A
PHE
137
n
137
PHE
137
A
LEU
138
n
138
LEU
138
A
PRO
139
n
139
PRO
139
A
ARG
140
n
140
ARG
140
A
GLU
141
n
141
GLU
141
A
ASP
142
n
142
ASP
142
A
HIS
143
n
143
HIS
143
A
LEU
144
n
144
LEU
144
A
PHE
145
n
145
PHE
145
A
ARG
146
n
146
ARG
146
A
LYS
147
n
147
LYS
147
A
PHE
148
n
148
PHE
148
A
HIS
149
n
149
HIS
149
A
TYR
150
n
150
TYR
150
A
LEU
151
n
151
LEU
151
A
PRO
152
n
152
PRO
152
A
PHE
153
n
153
PHE
153
A
LEU
154
n
154
LEU
154
A
PRO
155
n
155
PRO
155
A
SER
156
n
156
SER
156
A
THR
157
n
157
THR
157
A
GLU
158
n
158
GLU
158
A
ASP
159
n
159
ASP
159
A
VAL
160
n
160
VAL
160
A
TYR
161
n
161
TYR
161
A
ASP
162
n
162
ASP
162
A
CYS
163
n
163
CYS
163
A
ARG
164
n
164
ARG
164
A
VAL
165
n
165
VAL
165
A
GLU
166
n
166
GLU
166
A
HIS
167
n
167
HIS
167
A
TRP
168
n
168
TRP
168
A
GLY
169
n
169
GLY
169
A
LEU
170
n
170
LEU
170
A
ASP
171
n
171
ASP
171
A
GLU
172
n
172
GLU
172
A
PRO
173
n
173
PRO
173
A
LEU
174
n
174
LEU
174
A
LEU
175
n
175
LEU
175
A
LYS
176
n
176
LYS
176
A
HIS
177
n
177
HIS
177
A
TRP
178
n
178
TRP
178
A
GLU
179
n
179
GLU
179
A
PHE
180
n
180
PHE
180
A
ASP
181
n
181
ASP
181
A
GLY
1
n
1
GLY
1
B
ASP
2
n
2
ASP
2
B
THR
3
n
3
THR
3
B
ARG
4
n
4
ARG
4
B
PRO
5
n
5
PRO
5
B
ARG
6
n
6
ARG
6
B
PHE
7
n
7
PHE
7
B
LEU
8
n
8
LEU
8
B
GLU
9
n
9
GLU
9
B
GLN
10
n
10
GLN
10
B
VAL
11
n
11
VAL
11
B
LYS
12
n
12
LYS
12
B
HIS
13
n
13
HIS
13
B
GLU
14
n
14
GLU
14
B
CYS
15
n
15
CYS
15
B
HIS
16
n
16
HIS
16
B
PHE
17
n
17
PHE
17
B
PHE
18
n
18
PHE
18
B
ASN
19
n
19
ASN
19
B
GLY
20
n
20
GLY
20
B
THR
21
n
21
THR
21
B
GLU
22
n
22
GLU
22
B
ARG
23
n
23
ARG
23
B
VAL
24
n
24
VAL
24
B
ARG
25
n
25
ARG
25
B
PHE
26
n
26
PHE
26
B
LEU
27
n
27
LEU
27
B
ASP
28
n
28
ASP
28
B
ARG
29
n
29
ARG
29
B
TYR
30
n
30
TYR
30
B
PHE
31
n
31
PHE
31
B
TYR
32
n
32
TYR
32
B
HIS
33
n
33
HIS
33
B
GLN
34
n
34
GLN
34
B
GLU
35
n
35
GLU
35
B
GLU
36
n
36
GLU
36
B
TYR
37
n
37
TYR
37
B
VAL
38
n
38
VAL
38
B
ARG
39
n
39
ARG
39
B
PHE
40
n
40
PHE
40
B
ASP
41
n
41
ASP
41
B
SER
42
n
42
SER
42
B
ASP
43
n
43
ASP
43
B
VAL
44
n
44
VAL
44
B
GLY
45
n
45
GLY
45
B
GLU
46
n
46
GLU
46
B
TYR
47
n
47
TYR
47
B
ARG
48
n
48
ARG
48
B
ALA
49
n
49
ALA
49
B
VAL
50
n
50
VAL
50
B
THR
51
n
51
THR
51
B
GLU
52
n
52
GLU
52
B
LEU
53
n
53
LEU
53
B
GLY
54
n
54
GLY
54
B
ARG
55
n
55
ARG
55
B
PRO
56
n
56
PRO
56
B
ASP
57
n
57
ASP
57
B
ALA
58
n
58
ALA
58
B
GLU
59
n
59
GLU
59
B
TYR
60
n
60
TYR
60
B
TRP
61
n
61
TRP
61
B
ASN
62
n
62
ASN
62
B
SER
63
n
63
SER
63
B
GLN
64
n
64
GLN
64
B
LYS
65
n
65
LYS
65
B
ASP
66
n
66
ASP
66
B
LEU
67
n
67
LEU
67
B
LEU
68
n
68
LEU
68
B
GLU
69
n
69
GLU
69
B
GLN
70
n
70
GLN
70
B
LYS
71
n
71
LYS
71
B
ARG
72
n
72
ARG
72
B
ALA
73
n
73
ALA
73
B
ALA
74
n
74
ALA
74
B
VAL
75
n
75
VAL
75
B
ASP
76
n
76
ASP
76
B
THR
77
n
77
THR
77
B
TYR
78
n
78
TYR
78
B
CYS
79
n
79
CYS
79
B
ARG
80
n
80
ARG
80
B
HIS
81
n
81
HIS
81
B
ASN
82
n
82
ASN
82
B
TYR
83
n
83
TYR
83
B
GLY
84
n
84
GLY
84
B
VAL
85
n
85
VAL
85
B
GLY
86
n
86
GLY
86
B
GLU
87
n
87
GLU
87
B
SER
88
n
88
SER
88
B
PHE
89
n
89
PHE
89
B
THR
90
n
90
THR
90
B
VAL
91
n
91
VAL
91
B
GLN
92
n
92
GLN
92
B
ARG
93
n
93
ARG
93
B
ARG
94
n
94
ARG
94
B
VAL
95
n
95
VAL
95
B
TYR
96
n
96
TYR
96
B
PRO
97
n
97
PRO
97
B
GLU
98
n
98
GLU
98
B
VAL
99
n
99
VAL
99
B
THR
100
n
100
THR
100
B
VAL
101
n
101
VAL
101
B
TYR
102
n
102
TYR
102
B
PRO
103
n
103
PRO
103
B
ALA
104
n
104
ALA
104
B
LYS
105
n
105
LYS
105
B
n
106
106
B
n
107
107
B
n
108
108
B
n
109
109
B
n
110
110
B
n
111
111
B
n
112
112
B
ASN
113
n
113
ASN
113
B
LEU
114
n
114
LEU
114
B
LEU
115
n
115
LEU
115
B
VAL
116
n
116
VAL
116
B
CYS
117
n
117
CYS
117
B
SER
118
n
118
SER
118
B
VAL
119
n
119
VAL
119
B
ASN
120
n
120
ASN
120
B
GLY
121
n
121
GLY
121
B
PHE
122
n
122
PHE
122
B
TYR
123
n
123
TYR
123
B
PRO
124
n
124
PRO
124
B
GLY
125
n
125
GLY
125
B
SER
126
n
126
SER
126
B
ILE
127
n
127
ILE
127
B
GLU
128
n
128
GLU
128
B
VAL
129
n
129
VAL
129
B
ARG
130
n
130
ARG
130
B
TRP
131
n
131
TRP
131
B
PHE
132
n
132
PHE
132
B
ARG
133
n
133
ARG
133
B
ASN
134
n
134
ASN
134
B
GLY
135
n
135
GLY
135
B
GLN
136
n
136
GLN
136
B
GLU
137
n
137
GLU
137
B
GLU
138
n
138
GLU
138
B
LYS
139
n
139
LYS
139
B
THR
140
n
140
THR
140
B
GLY
141
n
141
GLY
141
B
VAL
142
n
142
VAL
142
B
VAL
143
n
143
VAL
143
B
SER
144
n
144
SER
144
B
THR
145
n
145
THR
145
B
GLY
146
n
146
GLY
146
B
LEU
147
n
147
LEU
147
B
ILE
148
n
148
ILE
148
B
GLN
149
n
149
GLN
149
B
ASN
150
n
150
ASN
150
B
GLY
151
n
151
GLY
151
B
ASP
152
n
152
ASP
152
B
TRP
153
n
153
TRP
153
B
THR
154
n
154
THR
154
B
PHE
155
n
155
PHE
155
B
GLN
156
n
156
GLN
156
B
THR
157
n
157
THR
157
B
LEU
158
n
158
LEU
158
B
VAL
159
n
159
VAL
159
B
MET
160
n
160
MET
160
B
LEU
161
n
161
LEU
161
B
GLU
162
n
162
GLU
162
B
THR
163
n
163
THR
163
B
VAL
164
n
164
VAL
164
B
PRO
165
n
165
PRO
165
B
ARG
166
n
166
ARG
166
B
SER
167
n
167
SER
167
B
GLY
168
n
168
GLY
168
B
GLU
169
n
169
GLU
169
B
VAL
170
n
170
VAL
170
B
TYR
171
n
171
TYR
171
B
THR
172
n
172
THR
172
B
CYS
173
n
173
CYS
173
B
GLN
174
n
174
GLN
174
B
VAL
175
n
175
VAL
175
B
GLU
176
n
176
GLU
176
B
HIS
177
n
177
HIS
177
B
PRO
178
n
178
PRO
178
B
SER
179
n
179
SER
179
B
LEU
180
n
180
LEU
180
B
THR
181
n
181
THR
181
B
SER
182
n
182
SER
182
B
PRO
183
n
183
PRO
183
B
LEU
184
n
184
LEU
184
B
THR
185
n
185
THR
185
B
VAL
186
n
186
VAL
186
B
GLU
187
n
187
GLU
187
B
TRP
188
n
188
TRP
188
B
ARG
189
n
189
ARG
189
B
ALA
190
n
190
ALA
190
B
n
191
191
B
n
192
192
B
n
1
1
C
SER
2
n
2
SER
2
C
GLN
3
n
3
GLN
3
C
PRO
4
n
4
PRO
4
C
ASP
5
n
5
ASP
5
C
PRO
6
n
6
PRO
6
C
LYS
7
n
7
LYS
7
C
PRO
8
n
8
PRO
8
C
ASP
9
n
9
ASP
9
C
GLU
10
n
10
GLU
10
C
LEU
11
n
11
LEU
11
C
HIS
12
n
12
HIS
12
C
LYS
13
n
13
LYS
13
C
SER
14
n
14
SER
14
C
SER
15
n
15
SER
15
C
LYS
16
n
16
LYS
16
C
PHE
17
n
17
PHE
17
C
THR
18
n
18
THR
18
C
GLY
19
n
19
GLY
19
C
LEU
20
n
20
LEU
20
C
MET
21
n
21
MET
21
C
GLU
22
n
22
GLU
22
C
ASN
23
n
23
ASN
23
C
MET
24
n
24
MET
24
C
LYS
25
n
25
LYS
25
C
VAL
26
n
26
VAL
26
C
LEU
27
n
27
LEU
27
C
TYR
28
n
28
TYR
28
C
ASP
29
n
29
ASP
29
C
ASP
30
n
30
ASP
30
C
ASN
31
n
31
ASN
31
C
HIS
32
n
32
HIS
32
C
VAL
33
n
33
VAL
33
C
SER
34
n
34
SER
34
C
ALA
35
n
35
ALA
35
C
ILE
36
n
36
ILE
36
C
ASN
37
n
37
ASN
37
C
VAL
38
n
38
VAL
38
C
LYS
39
n
39
LYS
39
C
SER
40
n
40
SER
40
C
ILE
41
n
41
ILE
41
C
ASP
42
n
42
ASP
42
C
GLN
43
n
43
GLN
43
C
PHE
44
n
44
PHE
44
C
LEU
45
n
45
LEU
45
C
TYR
46
n
46
TYR
46
C
PHE
47
n
47
PHE
47
C
ASP
48
n
48
ASP
48
C
LEU
49
n
49
LEU
49
C
ILE
50
n
50
ILE
50
C
TYR
51
n
51
TYR
51
C
SER
52
n
52
SER
52
C
ILE
53
n
53
ILE
53
C
LYS
54
n
54
LYS
54
C
ASP
55
n
55
ASP
55
C
THR
56
n
56
THR
56
C
LYS
57
n
57
LYS
57
C
LEU
58
n
58
LEU
58
C
GLY
59
n
59
GLY
59
C
ASN
60
n
60
ASN
60
C
TYR
61
n
61
TYR
61
C
ASP
62
n
62
ASP
62
C
ASN
63
n
63
ASN
63
C
VAL
64
n
64
VAL
64
C
ARG
65
n
65
ARG
65
C
VAL
66
n
66
VAL
66
C
GLU
67
n
67
GLU
67
C
PHE
68
n
68
PHE
68
C
LYS
69
n
69
LYS
69
C
ASN
70
n
70
ASN
70
C
LYS
71
n
71
LYS
71
C
ASP
72
n
72
ASP
72
C
LEU
73
n
73
LEU
73
C
ALA
74
n
74
ALA
74
C
ASP
75
n
75
ASP
75
C
LYS
76
n
76
LYS
76
C
TYR
77
n
77
TYR
77
C
LYS
78
n
78
LYS
78
C
ASP
79
n
79
ASP
79
C
LYS
80
n
80
LYS
80
C
TYR
81
n
81
TYR
81
C
VAL
82
n
82
VAL
82
C
ASP
83
n
83
ASP
83
C
VAL
84
n
84
VAL
84
C
PHE
85
n
85
PHE
85
C
GLY
86
n
86
GLY
86
C
ALA
87
n
87
ALA
87
C
ASN
88
n
88
ASN
88
C
TYR
89
n
89
TYR
89
C
TYR
90
n
90
TYR
90
C
TYR
91
n
91
TYR
91
C
GLN
92
n
92
GLN
92
C
CYS
93
n
93
CYS
93
C
TYR
94
n
94
TYR
94
C
PHE
95
n
95
PHE
95
C
SER
96
n
96
SER
96
C
n
97
97
C
n
98
98
C
n
99
99
C
n
100
100
C
n
101
101
C
n
102
102
C
n
103
103
C
n
104
104
C
n
105
105
C
n
106
106
C
n
107
107
C
n
108
108
C
n
109
109
C
n
110
110
C
LYS
111
n
111
LYS
111
C
THR
112
n
112
THR
112
C
CYS
113
n
113
CYS
113
C
MET
114
n
114
MET
114
C
TYR
115
n
115
TYR
115
C
GLY
116
n
116
GLY
116
C
GLY
117
n
117
GLY
117
C
VAL
118
n
118
VAL
118
C
THR
119
n
119
THR
119
C
GLU
120
n
120
GLU
120
C
HIS
121
n
121
HIS
121
C
ASN
122
n
122
ASN
122
C
GLY
123
n
123
GLY
123
C
ASN
124
n
124
ASN
124
C
GLN
125
n
125
GLN
125
C
LEU
126
n
126
LEU
126
C
ASP
127
n
127
ASP
127
C
LYS
128
n
128
LYS
128
C
TYR
129
n
129
TYR
129
C
ARG
130
n
130
ARG
130
C
SER
131
n
131
SER
131
C
ILE
132
n
132
ILE
132
C
THR
133
n
133
THR
133
C
VAL
134
n
134
VAL
134
C
ARG
135
n
135
ARG
135
C
VAL
136
n
136
VAL
136
C
PHE
137
n
137
PHE
137
C
GLU
138
n
138
GLU
138
C
ASP
139
n
139
ASP
139
C
GLY
140
n
140
GLY
140
C
LYS
141
n
141
LYS
141
C
ASN
142
n
142
ASN
142
C
LEU
143
n
143
LEU
143
C
LEU
144
n
144
LEU
144
C
SER
145
n
145
SER
145
C
PHE
146
n
146
PHE
146
C
ASP
147
n
147
ASP
147
C
VAL
148
n
148
VAL
148
C
GLN
149
n
149
GLN
149
C
THR
150
n
150
THR
150
C
ASN
151
n
151
ASN
151
C
LYS
152
n
152
LYS
152
C
LYS
153
n
153
LYS
153
C
LYS
154
n
154
LYS
154
C
VAL
155
n
155
VAL
155
C
THR
156
n
156
THR
156
C
ALA
157
n
157
ALA
157
C
GLN
158
n
158
GLN
158
C
GLU
159
n
159
GLU
159
C
LEU
160
n
160
LEU
160
C
ASP
161
n
161
ASP
161
C
TYR
162
n
162
TYR
162
C
LEU
163
n
163
LEU
163
C
THR
164
n
164
THR
164
C
ARG
165
n
165
ARG
165
C
HIS
166
n
166
HIS
166
C
TYR
167
n
167
TYR
167
C
LEU
168
n
168
LEU
168
C
VAL
169
n
169
VAL
169
C
LYS
170
n
170
LYS
170
C
ASN
171
n
171
ASN
171
C
LYS
172
n
172
LYS
172
C
LYS
173
n
173
LYS
173
C
LEU
174
n
174
LEU
174
C
TYR
175
n
175
TYR
175
C
GLU
176
n
176
GLU
176
C
PHE
177
n
177
PHE
177
C
ASN
178
n
178
ASN
178
C
ASN
179
n
179
ASN
179
C
SER
180
n
180
SER
180
C
PRO
181
n
181
PRO
181
C
TYR
182
n
182
TYR
182
C
GLU
183
n
183
GLU
183
C
THR
184
n
184
THR
184
C
GLY
185
n
185
GLY
185
C
TYR
186
n
186
TYR
186
C
ILE
187
n
187
ILE
187
C
LYS
188
n
188
LYS
188
C
PHE
189
n
189
PHE
189
C
ILE
190
n
190
ILE
190
C
GLU
191
n
191
GLU
191
C
ASN
192
n
192
ASN
192
C
GLU
193
n
193
GLU
193
C
ASN
194
n
194
ASN
194
C
SER
195
n
195
SER
195
C
PHE
196
n
196
PHE
196
C
TRP
197
n
197
TRP
197
C
TYR
198
n
198
TYR
198
C
ASP
199
n
199
ASP
199
C
MET
200
n
200
MET
200
C
MET
201
n
201
MET
201
C
PRO
202
n
202
PRO
202
C
ALA
203
n
203
ALA
203
C
PRO
204
n
204
PRO
204
C
GLY
205
n
205
GLY
205
C
ASP
206
n
206
ASP
206
C
LYS
207
n
207
LYS
207
C
PHE
208
n
208
PHE
208
C
ASP
209
n
209
ASP
209
C
GLN
210
n
210
GLN
210
C
SER
211
n
211
SER
211
C
LYS
212
n
212
LYS
212
C
TYR
213
n
213
TYR
213
C
LEU
214
n
214
LEU
214
C
MET
215
n
215
MET
215
C
MET
216
n
216
MET
216
C
TYR
217
n
217
TYR
217
C
ASN
218
n
218
ASN
218
C
ASP
219
n
219
ASP
219
C
ASN
220
n
220
ASN
220
C
LYS
221
n
221
LYS
221
C
MET
222
n
222
MET
222
C
VAL
223
n
223
VAL
223
C
ASP
224
n
224
ASP
224
C
SER
225
n
225
SER
225
C
LYS
226
n
226
LYS
226
C
ASP
227
n
227
ASP
227
C
VAL
228
n
228
VAL
228
C
LYS
229
n
229
LYS
229
C
ILE
230
n
230
ILE
230
C
GLU
231
n
231
GLU
231
C
VAL
232
n
232
VAL
232
C
TYR
233
n
233
TYR
233
C
LEU
234
n
234
LEU
234
C
THR
235
n
235
THR
235
C
THR
236
n
236
THR
236
C
LYS
237
n
237
LYS
237
C
LYS
238
n
238
LYS
238
C
n
239
239
C
ACE
803
n
1
ACE
803
D
ALC
804
n
2
ALC
804
D
ARG
805
n
3
ARG
805
D
MAA
806
n
4
MAA
806
D
HAQ
807
n
5
HAQ
807
D
SEL
808
n
6
SEL
808
D
author_defined_assembly
4
tetrameric
D
ALC
804
2-AMINO-3-CYCLOHEXYL-PROPIONIC ACID
D
ALC
2
ALA
D
MAA
806
N-METHYL-L-ALANINE
D
MAA
4
ALA
D
SEL
808
2-AMINO-1,3-PROPANEDIOL
D
SEL
6
SER
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
VAL
42
A
N
VAL
42
A
O
HIS
33
A
O
HIS
33
A
N
VAL
34
A
N
VAL
34
A
O
PHE
22
A
O
PHE
22
A
N
ASP
25
A
N
ASP
25
A
O
ILE
8
A
O
ILE
8
A
N
ASN
15
A
N
ASN
15
B
O
PHE
7
B
O
PHE
7
B
N
HIS
16
B
N
HIS
16
B
O
ARG
25
B
O
ARG
25
B
N
TYR
32
B
N
TYR
32
B
O
GLU
35
B
O
GLU
35
B
O
ARG
39
B
O
ARG
39
B
N
ARG
48
B
N
ARG
48
A
O
LEU
92
A
O
LEU
92
A
N
ILE
106
A
N
ILE
106
A
O
PHE
112
A
O
PHE
112
A
N
PHE
145
A
N
PHE
145
A
N
TYR
150
A
N
TYR
150
A
O
SER
133
A
O
SER
133
A
O
LEU
92
A
O
LEU
92
A
N
ILE
106
A
N
ILE
106
A
O
PHE
112
A
O
PHE
112
A
N
PHE
145
A
N
PHE
145
A
O
ARG
146
A
O
ARG
146
A
N
LEU
138
A
N
LEU
138
A
O
LYS
126
A
O
LYS
126
A
N
ARG
123
A
N
ARG
123
A
O
LEU
122
A
O
LEU
122
A
N
ASP
162
A
N
ASP
162
A
N
VAL
165
A
N
VAL
165
A
O
LEU
174
A
O
LEU
174
B
O
TYR
102
B
O
TYR
102
B
N
VAL
116
B
N
VAL
116
B
O
PHE
122
B
O
PHE
122
B
N
PHE
155
B
N
PHE
155
B
N
MET
160
B
N
MET
160
B
O
VAL
143
B
O
VAL
143
B
O
TYR
102
B
O
TYR
102
B
N
VAL
116
B
N
VAL
116
B
O
PHE
122
B
O
PHE
122
B
N
PHE
155
B
N
PHE
155
B
N
GLN
156
B
N
GLN
156
B
O
ILE
148
B
O
ILE
148
B
O
GLN
136
B
O
GLN
136
B
N
ARG
133
B
N
ARG
133
B
N
PHE
132
B
N
PHE
132
B
O
THR
172
B
O
THR
172
B
N
VAL
175
B
N
VAL
175
B
O
LEU
184
B
O
LEU
184
C
O
VAL
38
C
O
VAL
38
C
N
VAL
82
C
N
VAL
82
C
N
ASP
83
C
N
ASP
83
C
O
THR
119
C
O
THR
119
C
N
TYR
51
C
N
TYR
51
C
O
VAL
64
C
O
VAL
64
C
N
ARG
65
C
N
ARG
65
C
O
THR
112
C
O
THR
112
C
O
ASN
151
C
O
ASN
151
C
N
LEU
126
C
N
LEU
126
C
O
THR
133
C
O
THR
133
C
N
ILE
230
C
N
ILE
230
C
O
THR
235
C
O
THR
235
C
N
GLU
183
C
N
GLU
183
C
N
GLU
191
C
N
GLU
191
C
O
ASN
194
C
O
ASN
194
C
O
VAL
155
C
O
VAL
155
C
N
VAL
223
C
N
VAL
223
1
B
CG
LYS
105
B
CG
LYS
105
1
Y
1
B
CD
LYS
105
B
CD
LYS
105
1
Y
1
B
CE
LYS
105
B
CE
LYS
105
1
Y
1
B
NZ
LYS
105
B
NZ
LYS
105
1
Y
1
A
ILE
1
A
ILE
1
1
Y
1
A
LYS
2
A
LYS
2
1
Y
1
B
THR
106
B
THR
106
1
Y
1
B
GLN
107
B
GLN
107
1
Y
1
B
PRO
108
B
PRO
108
1
Y
1
B
LEU
109
B
LEU
109
1
Y
1
B
GLN
110
B
GLN
110
1
Y
1
B
HIS
111
B
HIS
111
1
Y
1
B
HIS
112
B
HIS
112
1
Y
1
B
ARG
191
B
ARG
191
1
Y
1
B
SER
192
B
SER
192
1
Y
1
C
GLU
1
C
GLU
1
1
Y
1
C
LYS
97
C
LYS
97
1
Y
1
C
LYS
98
C
LYS
98
1
Y
1
C
THR
99
C
THR
99
1
Y
1
C
ASN
100
C
ASN
100
1
Y
1
C
ASP
101
C
ASP
101
1
Y
1
C
ILE
102
C
ILE
102
1
Y
1
C
ASN
103
C
ASN
103
1
Y
1
C
SER
104
C
SER
104
1
Y
1
C
HIS
105
C
HIS
105
1
Y
1
C
GLN
106
C
GLN
106
1
Y
1
C
THR
107
C
THR
107
1
Y
1
C
ASP
108
C
ASP
108
1
Y
1
C
LYS
109
C
LYS
109
1
Y
1
C
ARG
110
C
ARG
110
1
Y
1
C
LYS
239
C
LYS
239
1
Y
1
10.74
1.50
119.30
130.04
A
A
A
C
N
CA
GLU
PRO
PRO
101
102
102
Y
1
-19.48
2.20
117.20
97.72
B
B
B
CA
C
N
ALA
ALA
LYS
104
104
105
Y
1
3.28
0.50
120.30
123.58
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
166
166
166
N
1
-12.19
1.60
119.80
107.61
C
C
C
CE1
CZ
CE2
TYR
TYR
TYR
61
61
61
N
1
7.14
0.90
119.80
126.94
C
C
C
CZ
CE2
CD2
TYR
TYR
TYR
61
61
61
N
1
33.92
2.20
117.20
151.12
D
D
D
CA
C
N
HAQ
HAQ
SEL
807
807
808
Y
1
C
C
CE1
CZ
TYR
TYR
61
61
0.145
0.013
1.381
1.526
N
1
C
C
CZ
OH
TYR
TYR
61
61
0.270
0.017
1.374
1.644
N
1
C
C
CZ
CE2
TYR
TYR
61
61
0.090
0.013
1.381
1.471
N
1
A
ARG
100
57.85
15.33
1
A
HIS
143
81.19
21.27
1
A
LEU
144
-103.39
-169.68
1
A
SER
156
-175.62
137.64
1
A
GLU
172
179.60
144.10
1
A
PRO
173
-48.54
158.77
1
B
THR
3
-156.00
-8.92
1
B
PRO
5
-37.26
139.84
1
B
HIS
33
67.24
-127.72
1
B
ASP
76
-94.09
-63.20
1
B
TYR
78
-109.83
-69.11
1
B
PHE
89
-146.86
20.99
1
B
THR
90
-123.31
-69.23
1
B
PRO
103
-59.70
-164.91
1
B
PRO
124
-65.76
-142.63
1
B
GLU
169
-165.39
118.77
1
B
ARG
189
-79.28
-70.48
1
C
PRO
8
-19.73
-50.73
1
C
ASP
30
-26.96
-66.56
1
C
ASN
37
71.33
42.41
1
C
ASP
62
-138.16
-44.74
1
C
LYS
78
-47.29
-87.59
1
C
TYR
91
-24.61
-78.41
1
C
LEU
126
-174.44
138.72
1
C
ASN
179
-140.64
-143.77
1
C
PRO
181
-64.60
9.29
1
C
GLU
183
-75.78
-74.75
1
C
ASN
192
39.21
-94.88
1
C
SER
195
-166.07
115.21
45.0
3.91
0.00
0.00
-2.40
0.00
-1.51
0.268
0.004
0.237
0.237
2.45
20.00
3561
35655
10.0
93.3
RANDOM
328232.69
328232.69
0.00
1
RESTRAINED
THROUGHOUT
0.0
FLAT MODEL
28.15
0.263
0.42
0.37
20.00
0.50
0.45
2.45
20.00
10
4910
0
0
4900
0.015
1.8
26.4
1.24
2.15
1.50
3.57
2.00
3.22
2.00
4.79
2.50
0.381
0.016
0.367
2.60
563
4846
6
10.4
86.1
45.3
2.45
20.0
1D5X
38325
0.095
1
99.4
2.0
1
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
CNS
0.5
X-RAY CRYSTAL STRUCTURE OF HLA-DR4 COMPLEXED WITH DIPEPTIDE MIMETIC AND SEB
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
A
GLU
47
A
GLU
47
HELX_P
A
ALA
52
A
ALA
52
1
1
6
A
GLN
57
A
GLN
57
HELX_P
A
SER
77
A
SER
77
1
2
21
B
GLY
54
B
GLY
54
HELX_P
B
ASN
62
B
ASN
62
1
3
9
B
GLN
64
B
GLN
64
HELX_P
B
TYR
78
B
TYR
78
1
4
15
B
TYR
78
B
TYR
78
HELX_P
B
GLU
87
B
GLU
87
1
5
10
B
SER
88
B
SER
88
HELX_P
B
THR
90
B
THR
90
5
6
3
C
LYS
7
C
LYS
7
HELX_P
C
LEU
11
C
LEU
11
5
7
5
C
LYS
13
C
LYS
13
HELX_P
C
LYS
16
C
LYS
16
5
8
4
C
MET
21
C
MET
21
HELX_P
C
ASP
29
C
ASP
29
1
9
9
C
ASN
70
C
ASN
70
HELX_P
C
LYS
78
C
LYS
78
1
10
9
C
ALA
157
C
ALA
157
HELX_P
C
LYS
172
C
LYS
172
1
11
16
C
ASP
209
C
ASP
209
HELX_P
C
MET
215
C
MET
215
1
12
7
C
MET
216
C
MET
216
HELX_P
C
ASN
220
C
ASN
220
5
13
5
disulf
2.282
A
CYS
107
A
SG
CYS
107
1_555
A
CYS
163
A
SG
CYS
163
1_555
disulf
2.101
B
CYS
15
B
SG
CYS
15
1_555
B
CYS
79
B
SG
CYS
79
1_555
disulf
2.312
B
CYS
117
B
SG
CYS
117
1_555
B
CYS
173
B
SG
CYS
173
1_555
disulf
2.114
C
CYS
93
C
SG
CYS
93
1_555
C
CYS
113
C
SG
CYS
113
1_555
covale
1.328
both
D
ACE
803
D
C
ACE
1
1_555
D
ALC
804
D
N
ALC
2
1_555
covale
1.313
both
D
ALC
804
D
C
ALC
2
1_555
D
ARG
805
D
N
ARG
3
1_555
covale
1.357
both
D
ARG
805
D
C
ARG
3
1_555
D
MAA
806
D
N
MAA
4
1_555
covale
1.336
both
D
MAA
806
D
C
MAA
4
1_555
D
HAQ
807
D
N
HAQ
5
1_555
covale
1.322
both
D
HAQ
807
D
C
HAQ
5
1_555
D
SEL
808
D
N
SEL
6
1_555
IMMUNE SYSTEM/PEPTIDE INHIBITOR
MHC CLASS II-SUPERANTIGEN COMPLEX, IMMUNE SYSTEM-PEPTIDE INHIBITOR COMPLEX, PEPTIDEOMIMETIC INHIBITOR
A
ASN
15
A
ASN
15
1
A
PRO
16
A
PRO
16
0.21
A
THR
113
A
THR
113
1
A
PRO
114
A
PRO
114
-0.60
B
TYR
123
B
TYR
123
1
B
PRO
124
B
PRO
124
-1.56
HA2R_HUMAN
UNP
1
P01903
HB2H_HUMAN
UNP
2
P13760
ETXB_STAAU
UNP
3
P01552
1D5X
PDB
4
1D5X
26
206
1D5X
1
181
P01903
A
1
1
181
30
221
1D5X
1
192
P13760
B
2
1
192
28
266
1D5X
1
239
P01552
C
3
1
239
803
808
1D5X
803
808
1D5X
D
4
1
6
8
4
4
4
4
4
4
3
3
5
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
GLU
40
A
GLU
40
A
TRP
43
A
TRP
43
A
ASP
29
A
ASP
29
A
ASP
35
A
ASP
35
A
SER
19
A
SER
19
A
PHE
26
A
PHE
26
A
GLU
4
A
GLU
4
A
ASN
15
A
ASN
15
B
PHE
7
B
PHE
7
B
PHE
18
B
PHE
18
B
ARG
25
B
ARG
25
B
TYR
32
B
TYR
32
B
GLU
35
B
GLU
35
B
ASP
41
B
ASP
41
B
TYR
47
B
TYR
47
B
ALA
49
B
ALA
49
A
GLU
88
A
GLU
88
A
THR
93
A
THR
93
A
ASN
103
A
ASN
103
A
PHE
112
A
PHE
112
A
PHE
145
A
PHE
145
A
PHE
153
A
PHE
153
A
SER
133
A
SER
133
A
GLU
134
A
GLU
134
A
GLU
88
A
GLU
88
A
THR
93
A
THR
93
A
ASN
103
A
ASN
103
A
PHE
112
A
PHE
112
A
PHE
145
A
PHE
145
A
PHE
153
A
PHE
153
A
LEU
138
A
LEU
138
A
PRO
139
A
PRO
139
A
LYS
126
A
LYS
126
A
PRO
127
A
PRO
127
A
ASN
118
A
ASN
118
A
ARG
123
A
ARG
123
A
TYR
161
A
TYR
161
A
GLU
166
A
GLU
166
A
LEU
174
A
LEU
174
A
TRP
178
A
TRP
178
B
GLU
98
B
GLU
98
B
TYR
102
B
TYR
102
B
LEU
114
B
LEU
114
B
PHE
122
B
PHE
122
B
PHE
155
B
PHE
155
B
GLU
162
B
GLU
162
B
VAL
142
B
VAL
142
B
SER
144
B
SER
144
B
GLU
98
B
GLU
98
B
TYR
102
B
TYR
102
B
LEU
114
B
LEU
114
B
PHE
122
B
PHE
122
B
PHE
155
B
PHE
155
B
GLU
162
B
GLU
162
B
ILE
148
B
ILE
148
B
GLN
149
B
GLN
149
B
GLN
136
B
GLN
136
B
GLU
137
B
GLU
137
B
GLU
128
B
GLU
128
B
ARG
133
B
ARG
133
B
TYR
171
B
TYR
171
B
GLU
176
B
GLU
176
B
LEU
184
B
LEU
184
B
TRP
188
B
TRP
188
C
VAL
33
C
VAL
33
C
LYS
39
C
LYS
39
C
TYR
81
C
TYR
81
C
GLY
86
C
GLY
86
C
VAL
118
C
VAL
118
C
GLU
120
C
GLU
120
C
ASP
48
C
ASP
48
C
SER
52
C
SER
52
C
ASN
63
C
ASN
63
C
GLU
67
C
GLU
67
C
THR
112
C
THR
112
C
TYR
115
C
TYR
115
C
LYS
141
C
LYS
141
C
LYS
152
C
LYS
152
C
GLN
125
C
GLN
125
C
GLU
138
C
GLU
138
C
LYS
229
C
LYS
229
C
THR
236
C
THR
236
C
TYR
182
C
TYR
182
C
GLU
191
C
GLU
191
C
ASN
194
C
ASN
194
C
ASP
199
C
ASP
199
C
LYS
154
C
LYS
154
C
THR
156
C
THR
156
C
MET
222
C
MET
222
C
ASP
224
C
ASP
224
BINDING SITE FOR CHAIN D OF DIPEPTIDE MIMETIC INHIBITOR
Software
16
A
GLN
9
A
GLN
9
16
1_555
A
GLU
11
A
GLU
11
16
1_555
A
PHE
32
A
PHE
32
16
1_555
A
SER
53
A
SER
53
16
1_555
A
PHE
54
A
PHE
54
16
1_555
A
ASN
62
A
ASN
62
16
1_555
A
VAL
65
A
VAL
65
16
1_555
A
GLU
172
A
GLU
172
16
3_655
A
HOH
905
E
HOH
16
1_555
B
HIS
13
B
HIS
13
16
1_555
B
TYR
30
B
TYR
30
16
1_555
B
LYS
71
B
LYS
71
16
1_555
B
THR
77
B
THR
77
16
1_555
B
TYR
78
B
TYR
78
16
1_555
B
HIS
81
B
HIS
81
16
1_555
B
ASN
82
B
ASN
82
16
1_555
19
P 21 21 21