0.005524
0.000000
0.000000
0.000000
0.005524
0.000000
0.000000
0.000000
0.005524
0.00000
0.00000
0.00000
Varghese, J.N.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
48
90.00
90.00
90.00
181.040
181.040
181.040
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
C6 H12 O6
180.156
beta-D-mannopyranose
beta-D-mannose; D-mannose; mannose
D-saccharide, beta linking
Ca 2
40.078
CALCIUM ION
non-polymer
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
C6 H12 O6
180.156
alpha-D-mannopyranose
alpha-D-mannose; D-mannose; mannose
D-saccharide, alpha linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C8 H15 N O6
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
N-acetyl-beta-D-glucosamine; 2-acetamido-2-deoxy-beta-D-glucose; 2-acetamido-2-deoxy-D-glucose; 2-acetamido-2-deoxy-glucose; N-ACETYL-D-GLUCOSAMINE
D-saccharide, beta 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
C11 H19 N O9
309.270
N-acetyl-alpha-neuraminic acid
N-acetylneuraminic acid; sialic acid; alpha-sialic acid; O-SIALIC ACID
D-saccharide, alpha 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
R
C
N
75
S
C
N
76
S
C
N
77
S
C
N
78
R
C
N
79
N
C
N
80
N
O
N
81
N
O
N
82
N
O
N
83
N
O
N
84
N
O
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
H
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
CA
N
99
N
N
N
100
R
C
N
101
N
C
N
102
N
O
N
103
N
C
N
104
N
S
N
105
N
O
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
N
N
114
S
C
N
115
N
C
N
116
N
O
N
117
N
C
N
118
N
C
N
119
N
C
N
120
N
O
N
121
N
N
N
122
N
O
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
N
N
134
S
C
N
135
N
C
N
136
N
O
N
137
N
C
N
138
N
C
N
139
N
C
N
140
N
O
N
141
N
O
N
142
N
O
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
N
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
O
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
N
C
Y
167
N
C
Y
168
N
N
Y
169
N
C
Y
170
N
C
Y
171
N
N
N
172
N
O
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
O
N
184
N
H
N
185
N
H
N
186
N
N
N
187
S
C
N
188
N
C
N
189
N
O
N
190
S
C
N
191
N
C
N
192
N
C
N
193
N
C
N
194
N
O
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
H
N
206
N
H
N
207
N
H
N
208
N
N
N
209
S
C
N
210
N
C
N
211
N
O
N
212
N
C
N
213
N
C
N
214
N
C
N
215
N
C
N
216
N
O
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
C
N
237
N
C
N
238
N
N
N
239
N
O
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
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
S
C
N
256
S
C
N
257
S
C
N
258
S
C
N
259
R
C
N
260
N
C
N
261
N
O
N
262
N
O
N
263
N
O
N
264
N
O
N
265
N
O
N
266
N
O
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
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
N
N
280
S
C
N
281
N
C
N
282
N
O
N
283
N
C
N
284
N
C
N
285
N
S
N
286
N
C
N
287
N
O
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
H
N
299
R
C
N
300
R
C
N
301
R
C
N
302
S
C
N
303
R
C
N
304
N
C
N
305
N
C
N
306
N
C
N
307
N
N
N
308
N
O
N
309
N
O
N
310
N
O
N
311
N
O
N
312
N
O
N
313
N
O
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
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
N
N
330
S
C
N
331
N
C
N
332
N
O
N
333
N
C
Y
334
N
C
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
N
N
353
S
C
N
354
N
C
N
355
N
O
N
356
N
C
N
357
N
C
N
358
N
C
N
359
N
O
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
N
N
370
S
C
N
371
N
C
N
372
N
O
N
373
N
C
N
374
N
O
N
375
N
O
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
C
N
384
R
C
N
385
N
C
N
386
S
C
N
387
R
C
N
388
R
C
N
389
R
C
N
390
R
C
N
391
N
C
N
392
N
C
N
393
N
C
N
394
N
N
N
395
N
O
N
396
N
O
N
397
N
O
N
398
N
O
N
399
N
O
N
400
N
O
N
401
N
O
N
402
N
O
N
403
N
O
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
H
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
H
N
421
N
H
N
422
N
H
N
423
N
N
N
424
S
C
N
425
N
C
N
426
N
O
N
427
R
C
N
428
N
O
N
429
N
C
N
430
N
O
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
H
N
438
N
H
N
439
N
H
N
440
N
N
N
441
S
C
N
442
N
C
N
443
N
O
N
444
N
C
Y
445
N
C
Y
446
N
C
Y
447
N
C
Y
448
N
N
Y
449
N
C
Y
450
N
C
Y
451
N
C
Y
452
N
C
Y
453
N
C
N
454
N
O
N
455
N
H
N
456
N
H
N
457
N
H
N
458
N
H
N
459
N
H
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
N
N
468
S
C
N
469
N
C
N
470
N
O
N
471
N
C
Y
472
N
C
Y
473
N
C
Y
474
N
C
Y
475
N
C
Y
476
N
C
Y
477
N
C
N
478
N
O
N
479
N
O
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
490
N
H
N
491
N
N
N
492
S
C
N
493
N
C
N
494
N
O
N
495
N
C
N
496
N
C
N
497
N
C
N
498
N
O
N
499
N
H
N
500
N
H
N
501
N
H
N
502
N
H
N
503
N
H
N
504
N
H
N
505
N
H
N
506
N
H
N
507
N
H
N
508
N
H
N
509
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
sing
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
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
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
doub
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
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
doub
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
doub
N
122
N
sing
N
123
N
sing
N
124
N
sing
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
doub
N
141
N
sing
N
142
N
sing
N
143
N
sing
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
doub
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
sing
N
159
N
doub
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
Y
164
N
sing
Y
165
N
doub
Y
166
N
doub
N
167
N
sing
Y
168
N
sing
N
169
N
sing
Y
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
sing
N
180
N
sing
N
181
N
sing
N
182
N
doub
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
sing
N
201
N
sing
N
202
N
sing
N
203
N
doub
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
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
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
sing
N
270
N
sing
N
271
N
sing
N
272
N
doub
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
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
doub
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
doub
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
Y
326
N
doub
Y
327
N
sing
Y
328
N
sing
N
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
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
doub
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
doub
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
sing
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
sing
N
395
N
sing
N
396
N
sing
N
397
N
doub
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
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
doub
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
doub
N
431
N
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
Y
435
N
doub
Y
436
N
sing
Y
437
N
sing
N
438
N
sing
Y
439
N
doub
Y
440
N
sing
Y
441
N
sing
N
442
N
sing
Y
443
N
sing
Y
444
N
doub
N
445
N
sing
Y
446
N
doub
N
447
N
sing
Y
448
N
sing
N
449
N
sing
N
450
N
sing
N
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
doub
N
459
N
sing
N
460
N
sing
N
461
N
sing
N
462
N
sing
Y
463
N
doub
Y
464
N
sing
Y
465
N
sing
N
466
N
sing
Y
467
N
doub
N
468
N
sing
Y
469
N
doub
N
470
N
sing
Y
471
N
sing
N
472
N
sing
N
473
N
sing
N
474
N
sing
N
475
N
sing
N
476
N
sing
N
477
N
sing
N
478
N
sing
N
479
N
sing
N
480
N
sing
N
481
N
sing
N
482
N
doub
N
483
N
sing
N
484
N
sing
N
485
N
sing
N
486
N
sing
N
487
N
sing
N
488
N
sing
N
489
N
sing
N
490
N
sing
N
491
N
sing
N
492
N
sing
N
493
N
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
94
11808
11812
10.1073/pnas.94.22.11808
9342319
Structural evidence for a second sialic acid binding site in avian influenza virus neuraminidases.
1997
10.2210/pdb1mwe/pdb
pdb_00001mwe
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
106
1
YALE MIRRORS
IMAGE PLATE
1997-01
RIGAKU RAXIS II
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
MACSCIENCE M18X
43723.770
NEURAMINIDASE
3.2.1.18
RESIDUES 82 - 468
1
nat
polymer
1559.386
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
1
man
branched
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
3
man
non-polymer
309.270
N-acetyl-alpha-neuraminic acid
2
man
non-polymer
40.078
CALCIUM ION
2
syn
non-polymer
18.015
water
396
nat
water
SIALIDASE
no
no
RDFNNLTKGLCTINSWHIYGKDNAVRIGEDSDVLVTREPYVSCDPDECRFYALSQGTTIRGKHSNGTIHDRSQYRALISW
PLSSPPTVYNSRVECIGWSSTSCHDGKTRMSICISGPNNNASAVIWYNRRPVTEINTWARNILRTQESECVCHNGVCPVV
FTDGSATGPAETRIYYFKEGKILKWEPLAGTAKHIEECSCYGERAEITCTCRDNWQGSNRPVIRIDPVAMTHTSQYICSP
VLTDNPRPNDPTVGKCNDPYPGNNNNGVKGFSYLDGVNTWLGRTISIASRSGYEMLKVPNALTDDKSKPTQGQTIVLNTD
WSGYSGSFMDYWAEGECYRACFYVELIRGRPKEDKVWWTSNSIVSMCSSTEFLGQWDWPDGAKIEYFL
RDFNNLTKGLCTINSWHIYGKDNAVRIGEDSDVLVTREPYVSCDPDECRFYALSQGTTIRGKHSNGTIHDRSQYRALISW
PLSSPPTVYNSRVECIGWSSTSCHDGKTRMSICISGPNNNASAVIWYNRRPVTEINTWARNILRTQESECVCHNGVCPVV
FTDGSATGPAETRIYYFKEGKILKWEPLAGTAKHIEECSCYGERAEITCTCRDNWQGSNRPVIRIDPVAMTHTSQYICSP
VLTDNPRPNDPTVGKCNDPYPGNNNNGVKGFSYLDGVNTWLGRTISIASRSGYEMLKVPNALTDDKSKPTQGQTIVLNTD
WSGYSGSFMDYWAEGECYRACFYVELIRGRPKEDKVWWTSNSIVSMCSSTEFLGQWDWPDGAKIEYFL
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
DETERGENT RELEASED, PRONASE DIGESTED
Influenzavirus A
sample
11320
Influenza A virus
A/TERN/AUSTRALIA/G70C/75
1
2.83
54.
5.9
1.9M PHOSPHATE (PH 5.9)
atom_site
chem_comp
entity
pdbx_branch_scheme
pdbx_chem_comp_identifier
pdbx_database_status
pdbx_entity_branch
pdbx_entity_branch_descriptor
pdbx_entity_branch_link
pdbx_entity_branch_list
pdbx_entity_nonpoly
pdbx_nonpoly_scheme
pdbx_struct_assembly_gen
pdbx_struct_conn_angle
pdbx_struct_special_symmetry
pdbx_unobs_or_zero_occ_atoms
pdbx_validate_symm_contact
struct_asym
struct_conn
struct_site
struct_site_gen
chem_comp
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_unobs_or_zero_occ_atoms
repository
Initial release
Carbohydrate remediation
repository
Remediation
Version format compliance
Derived calculations
Version format compliance
Atomic model
Advisory
Atomic model
Data collection
Derived calculations
Other
Structure summary
Advisory
Data collection
Database references
Refinement description
Structure summary
1
0
1998-03-04
1
1
2008-03-03
1
2
2011-07-13
1
3
2011-11-16
2
0
2020-07-29
2
1
2024-04-03
_atom_site.B_iso_or_equiv
_atom_site.Cartn_x
_atom_site.Cartn_y
_atom_site.Cartn_z
_atom_site.auth_asym_id
_atom_site.auth_seq_id
_atom_site.label_asym_id
_atom_site.label_entity_id
_atom_site.occupancy
_atom_site.pdbx_PDB_ins_code
_chem_comp.name
_chem_comp.type
_pdbx_database_status.process_site
_pdbx_struct_assembly_gen.asym_id_list
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.pdbx_ptnr1_PDB_ins_code
_struct_conn.pdbx_ptnr2_PDB_ins_code
_struct_conn.pdbx_role
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_asym_id
_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
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
NAG
200
n
B
NAG
1
NAG
200
n
B
NAG
2
MAN
200
n
B
BMA
3
MAN
200
n
B
MAN
4
MAN
200
n
B
MAN
5
MAN
200
n
B
MAN
6
MAN
200
n
B
MAN
7
MAN
200
n
B
MAN
8
MAN
200
n
B
MAN
9
DManpb
b-D-mannopyranose
b-D-Manp
Man
DManpa
a-D-mannopyranose
a-D-Manp
Man
DGlcpNAcb
N-acetyl-b-D-glucopyranosamine
b-D-GlcpNAc
GlcNAc
DNeup5Aca
N-acetyl-a-D-neuraminic acid
a-D-Neup5Ac
Neu5Ac
Y
BNL
1997-08-27
REL
oligosaccharide
DManpa1-2DManpa1-2DManpa1-3[DManpa1-3[DManpa1-6]DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-
2
GMML
1.0
Glycam Condensed Sequence
WURCS=2.0/3,9,8/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3-3-3-3/a4-b1_b4-c1_c3-d1_c6-g1_d2-e1_e2-f1_g3-h1_g6-i1
2
PDB2Glycan
1.1.0
WURCS
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][a-D-Manp]{[(2+1)][a-D-Manp]{}}}[(6+1)][a-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}}}
2
PDB-CARE
LINUCS
C1
O4
NAG
NAG
2
1
2
O1
HO4
sing
C1
O4
BMA
NAG
3
2
2
O1
HO4
sing
C1
O3
MAN
BMA
4
3
2
O1
HO3
sing
C1
O2
MAN
MAN
5
4
2
O1
HO2
sing
C1
O2
MAN
MAN
6
5
2
O1
HO2
sing
C1
O6
MAN
BMA
7
3
2
O1
HO6
sing
C1
O3
MAN
MAN
8
7
2
O1
HO3
sing
C1
O6
MAN
MAN
9
7
2
O1
HO6
sing
n
n
n
n
n
n
n
n
n
NAG
2-acetamido-2-deoxy-beta-D-glucopyranose
SIA
N-acetyl-alpha-neuraminic acid
CA
CALCIUM ION
HOH
water
TERN N9 NEURAMINIDASE COMPLEXED WITH SIALIC ACID AT 4DEG C.
THIS STRUCTURE REFERS TO THE DISCOVERY OF A SECOND SIALIC
ACID BINDING SITE IN AVIAN INFLUENZAS.
THE AIM OF THE EXPERIMENT WAS TO OBSERVE SIALIC ACID
BINDING IN TERN N9 AT 4 DEG C. TERN N9 IS KNOWN TO HAVE HB
ACTIVITY AT 4 DEG C BUT THIS HAS NEVER BEEN OBSERVED BY
X-RAYS. 20 MM SIALIC ACID WAS SOAKED IN CRYSTALS OF TERN
N9 FOR 4HRS AT 4 DEG C. THE CRYSTAL WAS THEN FLASH FROZEN
TO -166 DEG C IN A STREAM OF COLD NITROGEN.
TERN N9 NEURAMINIDASE
Other
experimental model
NAG
86
3
NAG
A
NAG
478
A
NAG
86
3
NAG
B
NAG
479
A
NAG
146
3
NAG
A
NAG
480
A
SIA
1
4
SIA
SIA
1
A
SIA
2
4
SIA
SIA
2
A
CA
999
5
CA
CA
999
A
CA
998
5
CA
CA
998
A
HOH
1
6
HOH
HOH
1000
A
HOH
2
6
HOH
HOH
1001
A
HOH
3
6
HOH
HOH
1002
A
HOH
4
6
HOH
HOH
1003
A
HOH
5
6
HOH
HOH
1004
A
HOH
6
6
HOH
HOH
1005
A
HOH
7
6
HOH
HOH
1006
A
HOH
8
6
HOH
HOH
1007
A
HOH
9
6
HOH
HOH
1008
A
HOH
10
6
HOH
HOH
1009
A
HOH
11
6
HOH
HOH
1010
A
HOH
12
6
HOH
HOH
1011
A
HOH
13
6
HOH
HOH
1012
A
HOH
14
6
HOH
HOH
1013
A
HOH
15
6
HOH
HOH
1014
A
HOH
16
6
HOH
HOH
1015
A
HOH
17
6
HOH
HOH
1016
A
HOH
18
6
HOH
HOH
1017
A
HOH
19
6
HOH
HOH
1018
A
HOH
20
6
HOH
HOH
1019
A
HOH
21
6
HOH
HOH
1020
A
HOH
22
6
HOH
HOH
1021
A
HOH
23
6
HOH
HOH
1022
A
HOH
24
6
HOH
HOH
1023
A
HOH
25
6
HOH
HOH
1024
A
HOH
26
6
HOH
HOH
1025
A
HOH
27
6
HOH
HOH
1026
A
HOH
28
6
HOH
HOH
1027
A
HOH
29
6
HOH
HOH
1028
A
HOH
30
6
HOH
HOH
1029
A
HOH
31
6
HOH
HOH
1030
A
HOH
32
6
HOH
HOH
1031
A
HOH
33
6
HOH
HOH
1032
A
HOH
34
6
HOH
HOH
1033
A
HOH
35
6
HOH
HOH
1034
A
HOH
36
6
HOH
HOH
1035
A
HOH
37
6
HOH
HOH
1036
A
HOH
38
6
HOH
HOH
1037
A
HOH
39
6
HOH
HOH
1038
A
HOH
40
6
HOH
HOH
1039
A
HOH
41
6
HOH
HOH
1040
A
HOH
42
6
HOH
HOH
1041
A
HOH
43
6
HOH
HOH
1042
A
HOH
44
6
HOH
HOH
1043
A
HOH
45
6
HOH
HOH
1044
A
HOH
46
6
HOH
HOH
1045
A
HOH
47
6
HOH
HOH
1046
A
HOH
48
6
HOH
HOH
1047
A
HOH
49
6
HOH
HOH
1048
A
HOH
50
6
HOH
HOH
1049
A
HOH
51
6
HOH
HOH
1050
A
HOH
52
6
HOH
HOH
1051
A
HOH
53
6
HOH
HOH
1052
A
HOH
54
6
HOH
HOH
1053
A
HOH
55
6
HOH
HOH
1054
A
HOH
56
6
HOH
HOH
1055
A
HOH
57
6
HOH
HOH
1056
A
HOH
58
6
HOH
HOH
1057
A
HOH
59
6
HOH
HOH
1058
A
HOH
60
6
HOH
HOH
1059
A
HOH
61
6
HOH
HOH
1060
A
HOH
62
6
HOH
HOH
1061
A
HOH
63
6
HOH
HOH
1062
A
HOH
64
6
HOH
HOH
1063
A
HOH
65
6
HOH
HOH
1064
A
HOH
66
6
HOH
HOH
1065
A
HOH
67
6
HOH
HOH
1066
A
HOH
68
6
HOH
HOH
1067
A
HOH
69
6
HOH
HOH
1068
A
HOH
70
6
HOH
HOH
1069
A
HOH
71
6
HOH
HOH
1070
A
HOH
72
6
HOH
HOH
1071
A
HOH
73
6
HOH
HOH
1072
A
HOH
74
6
HOH
HOH
1073
A
HOH
75
6
HOH
HOH
1074
A
HOH
76
6
HOH
HOH
1075
A
HOH
77
6
HOH
HOH
1076
A
HOH
78
6
HOH
HOH
1077
A
HOH
79
6
HOH
HOH
1078
A
HOH
80
6
HOH
HOH
1079
A
HOH
81
6
HOH
HOH
1080
A
HOH
82
6
HOH
HOH
1081
A
HOH
83
6
HOH
HOH
1082
A
HOH
84
6
HOH
HOH
1083
A
HOH
85
6
HOH
HOH
1084
A
HOH
86
6
HOH
HOH
1085
A
HOH
87
6
HOH
HOH
1086
A
HOH
88
6
HOH
HOH
1087
A
HOH
89
6
HOH
HOH
1088
A
HOH
90
6
HOH
HOH
1089
A
HOH
91
6
HOH
HOH
1090
A
HOH
92
6
HOH
HOH
1091
A
HOH
93
6
HOH
HOH
1092
A
HOH
94
6
HOH
HOH
1093
A
HOH
95
6
HOH
HOH
1094
A
HOH
96
6
HOH
HOH
1095
A
HOH
97
6
HOH
HOH
1096
A
HOH
98
6
HOH
HOH
1097
A
HOH
99
6
HOH
HOH
1098
A
HOH
100
6
HOH
HOH
1099
A
HOH
101
6
HOH
HOH
1100
A
HOH
102
6
HOH
HOH
1101
A
HOH
103
6
HOH
HOH
1102
A
HOH
104
6
HOH
HOH
1103
A
HOH
105
6
HOH
HOH
1104
A
HOH
106
6
HOH
HOH
1105
A
HOH
107
6
HOH
HOH
1106
A
HOH
108
6
HOH
HOH
1107
A
HOH
109
6
HOH
HOH
1108
A
HOH
110
6
HOH
HOH
1109
A
HOH
111
6
HOH
HOH
1110
A
HOH
112
6
HOH
HOH
1111
A
HOH
113
6
HOH
HOH
1112
A
HOH
114
6
HOH
HOH
1113
A
HOH
115
6
HOH
HOH
1114
A
HOH
116
6
HOH
HOH
1115
A
HOH
117
6
HOH
HOH
1116
A
HOH
118
6
HOH
HOH
1117
A
HOH
119
6
HOH
HOH
1118
A
HOH
120
6
HOH
HOH
1119
A
HOH
121
6
HOH
HOH
1120
A
HOH
122
6
HOH
HOH
1121
A
HOH
123
6
HOH
HOH
1122
A
HOH
124
6
HOH
HOH
1123
A
HOH
125
6
HOH
HOH
1124
A
HOH
126
6
HOH
HOH
1125
A
HOH
127
6
HOH
HOH
1126
A
HOH
128
6
HOH
HOH
1127
A
HOH
129
6
HOH
HOH
1128
A
HOH
130
6
HOH
HOH
1129
A
HOH
131
6
HOH
HOH
1130
A
HOH
132
6
HOH
HOH
1131
A
HOH
133
6
HOH
HOH
1132
A
HOH
134
6
HOH
HOH
1133
A
HOH
135
6
HOH
HOH
1134
A
HOH
136
6
HOH
HOH
1135
A
HOH
137
6
HOH
HOH
1136
A
HOH
138
6
HOH
HOH
1137
A
HOH
139
6
HOH
HOH
1138
A
HOH
140
6
HOH
HOH
1139
A
HOH
141
6
HOH
HOH
1140
A
HOH
142
6
HOH
HOH
1141
A
HOH
143
6
HOH
HOH
1142
A
HOH
144
6
HOH
HOH
1143
A
HOH
145
6
HOH
HOH
1144
A
HOH
146
6
HOH
HOH
1145
A
HOH
147
6
HOH
HOH
1146
A
HOH
148
6
HOH
HOH
1147
A
HOH
149
6
HOH
HOH
1148
A
HOH
150
6
HOH
HOH
1149
A
HOH
151
6
HOH
HOH
1150
A
HOH
152
6
HOH
HOH
1151
A
HOH
153
6
HOH
HOH
1152
A
HOH
154
6
HOH
HOH
1153
A
HOH
155
6
HOH
HOH
1154
A
HOH
156
6
HOH
HOH
1155
A
HOH
157
6
HOH
HOH
1156
A
HOH
158
6
HOH
HOH
1157
A
HOH
159
6
HOH
HOH
1158
A
HOH
160
6
HOH
HOH
1159
A
HOH
161
6
HOH
HOH
1160
A
HOH
162
6
HOH
HOH
1161
A
HOH
163
6
HOH
HOH
1162
A
HOH
164
6
HOH
HOH
1163
A
HOH
165
6
HOH
HOH
1164
A
HOH
166
6
HOH
HOH
1165
A
HOH
167
6
HOH
HOH
1166
A
HOH
168
6
HOH
HOH
1167
A
HOH
169
6
HOH
HOH
1168
A
HOH
170
6
HOH
HOH
1169
A
HOH
171
6
HOH
HOH
1170
A
HOH
172
6
HOH
HOH
1171
A
HOH
173
6
HOH
HOH
1172
A
HOH
174
6
HOH
HOH
1173
A
HOH
175
6
HOH
HOH
1174
A
HOH
176
6
HOH
HOH
1175
A
HOH
177
6
HOH
HOH
1176
A
HOH
178
6
HOH
HOH
1177
A
HOH
179
6
HOH
HOH
1178
A
HOH
180
6
HOH
HOH
1179
A
HOH
181
6
HOH
HOH
1180
A
HOH
182
6
HOH
HOH
1181
A
HOH
183
6
HOH
HOH
1182
A
HOH
184
6
HOH
HOH
1183
A
HOH
185
6
HOH
HOH
1184
A
HOH
186
6
HOH
HOH
1185
A
HOH
187
6
HOH
HOH
1186
A
HOH
188
6
HOH
HOH
1187
A
HOH
189
6
HOH
HOH
1188
A
HOH
190
6
HOH
HOH
1189
A
HOH
191
6
HOH
HOH
1190
A
HOH
192
6
HOH
HOH
1191
A
HOH
193
6
HOH
HOH
1192
A
HOH
194
6
HOH
HOH
1193
A
HOH
195
6
HOH
HOH
1194
A
HOH
196
6
HOH
HOH
1195
A
HOH
197
6
HOH
HOH
1196
A
HOH
198
6
HOH
HOH
1197
A
HOH
199
6
HOH
HOH
1198
A
HOH
200
6
HOH
HOH
1199
A
HOH
201
6
HOH
HOH
1200
A
HOH
202
6
HOH
HOH
1201
A
HOH
203
6
HOH
HOH
1202
A
HOH
204
6
HOH
HOH
1203
A
HOH
205
6
HOH
HOH
1204
A
HOH
206
6
HOH
HOH
1205
A
HOH
207
6
HOH
HOH
1206
A
HOH
208
6
HOH
HOH
1207
A
HOH
209
6
HOH
HOH
1208
A
HOH
210
6
HOH
HOH
1209
A
HOH
211
6
HOH
HOH
1210
A
HOH
212
6
HOH
HOH
1211
A
HOH
213
6
HOH
HOH
1212
A
HOH
214
6
HOH
HOH
1213
A
HOH
215
6
HOH
HOH
1214
A
HOH
216
6
HOH
HOH
1215
A
HOH
217
6
HOH
HOH
1216
A
HOH
218
6
HOH
HOH
1217
A
HOH
219
6
HOH
HOH
1218
A
HOH
220
6
HOH
HOH
1219
A
HOH
221
6
HOH
HOH
1220
A
HOH
222
6
HOH
HOH
1221
A
HOH
223
6
HOH
HOH
1222
A
HOH
224
6
HOH
HOH
1223
A
HOH
225
6
HOH
HOH
1224
A
HOH
226
6
HOH
HOH
1225
A
HOH
227
6
HOH
HOH
1226
A
HOH
228
6
HOH
HOH
1227
A
HOH
229
6
HOH
HOH
1228
A
HOH
230
6
HOH
HOH
1229
A
HOH
231
6
HOH
HOH
1230
A
HOH
232
6
HOH
HOH
1231
A
HOH
233
6
HOH
HOH
1232
A
HOH
234
6
HOH
HOH
1233
A
HOH
235
6
HOH
HOH
1234
A
HOH
236
6
HOH
HOH
1235
A
HOH
237
6
HOH
HOH
1236
A
HOH
238
6
HOH
HOH
1237
A
HOH
239
6
HOH
HOH
1238
A
HOH
240
6
HOH
HOH
1239
A
HOH
241
6
HOH
HOH
1240
A
HOH
242
6
HOH
HOH
1241
A
HOH
243
6
HOH
HOH
1242
A
HOH
244
6
HOH
HOH
1243
A
HOH
245
6
HOH
HOH
1244
A
HOH
246
6
HOH
HOH
1245
A
HOH
247
6
HOH
HOH
1246
A
HOH
248
6
HOH
HOH
1247
A
HOH
249
6
HOH
HOH
1248
A
HOH
250
6
HOH
HOH
1249
A
HOH
251
6
HOH
HOH
1250
A
HOH
252
6
HOH
HOH
1251
A
HOH
253
6
HOH
HOH
1252
A
HOH
254
6
HOH
HOH
1253
A
HOH
255
6
HOH
HOH
1254
A
HOH
256
6
HOH
HOH
1255
A
HOH
257
6
HOH
HOH
1256
A
HOH
258
6
HOH
HOH
1257
A
HOH
259
6
HOH
HOH
1258
A
HOH
260
6
HOH
HOH
1259
A
HOH
261
6
HOH
HOH
1260
A
HOH
262
6
HOH
HOH
1261
A
HOH
263
6
HOH
HOH
1262
A
HOH
264
6
HOH
HOH
1263
A
HOH
265
6
HOH
HOH
1264
A
HOH
266
6
HOH
HOH
1265
A
HOH
267
6
HOH
HOH
1266
A
HOH
268
6
HOH
HOH
1267
A
HOH
269
6
HOH
HOH
1268
A
HOH
270
6
HOH
HOH
1269
A
HOH
271
6
HOH
HOH
1270
A
HOH
272
6
HOH
HOH
1271
A
HOH
273
6
HOH
HOH
1272
A
HOH
274
6
HOH
HOH
1273
A
HOH
275
6
HOH
HOH
1274
A
HOH
276
6
HOH
HOH
1275
A
HOH
277
6
HOH
HOH
1276
A
HOH
278
6
HOH
HOH
1277
A
HOH
279
6
HOH
HOH
1278
A
HOH
280
6
HOH
HOH
1279
A
HOH
281
6
HOH
HOH
1280
A
HOH
282
6
HOH
HOH
1281
A
HOH
283
6
HOH
HOH
1282
A
HOH
284
6
HOH
HOH
1283
A
HOH
285
6
HOH
HOH
1284
A
HOH
286
6
HOH
HOH
1285
A
HOH
287
6
HOH
HOH
1286
A
HOH
288
6
HOH
HOH
1287
A
HOH
289
6
HOH
HOH
1288
A
HOH
290
6
HOH
HOH
1289
A
HOH
291
6
HOH
HOH
1290
A
HOH
292
6
HOH
HOH
1291
A
HOH
293
6
HOH
HOH
1292
A
HOH
294
6
HOH
HOH
1293
A
HOH
295
6
HOH
HOH
1294
A
HOH
296
6
HOH
HOH
1295
A
HOH
297
6
HOH
HOH
1296
A
HOH
298
6
HOH
HOH
1297
A
HOH
299
6
HOH
HOH
1298
A
HOH
300
6
HOH
HOH
1299
A
HOH
301
6
HOH
HOH
1300
A
HOH
302
6
HOH
HOH
1301
A
HOH
303
6
HOH
HOH
1302
A
HOH
304
6
HOH
HOH
1303
A
HOH
305
6
HOH
HOH
1304
A
HOH
306
6
HOH
HOH
1305
A
HOH
307
6
HOH
HOH
1306
A
HOH
308
6
HOH
HOH
1307
A
HOH
309
6
HOH
HOH
1308
A
HOH
310
6
HOH
HOH
1309
A
HOH
311
6
HOH
HOH
1310
A
HOH
312
6
HOH
HOH
1311
A
HOH
313
6
HOH
HOH
1312
A
HOH
314
6
HOH
HOH
1313
A
HOH
315
6
HOH
HOH
1314
A
HOH
316
6
HOH
HOH
1315
A
HOH
317
6
HOH
HOH
1316
A
HOH
318
6
HOH
HOH
1317
A
HOH
319
6
HOH
HOH
1318
A
HOH
320
6
HOH
HOH
1319
A
HOH
321
6
HOH
HOH
1320
A
HOH
322
6
HOH
HOH
1321
A
HOH
323
6
HOH
HOH
1322
A
HOH
324
6
HOH
HOH
1323
A
HOH
325
6
HOH
HOH
1324
A
HOH
326
6
HOH
HOH
1325
A
HOH
327
6
HOH
HOH
1326
A
HOH
328
6
HOH
HOH
1327
A
HOH
329
6
HOH
HOH
1328
A
HOH
330
6
HOH
HOH
1329
A
HOH
331
6
HOH
HOH
1330
A
HOH
332
6
HOH
HOH
1331
A
HOH
333
6
HOH
HOH
1332
A
HOH
334
6
HOH
HOH
1333
A
HOH
335
6
HOH
HOH
1334
A
HOH
336
6
HOH
HOH
1335
A
HOH
337
6
HOH
HOH
1336
A
HOH
338
6
HOH
HOH
1337
A
HOH
339
6
HOH
HOH
1338
A
HOH
340
6
HOH
HOH
1339
A
HOH
341
6
HOH
HOH
1340
A
HOH
342
6
HOH
HOH
1341
A
HOH
343
6
HOH
HOH
1342
A
HOH
344
6
HOH
HOH
1343
A
HOH
345
6
HOH
HOH
1344
A
HOH
346
6
HOH
HOH
1345
A
HOH
347
6
HOH
HOH
1346
A
HOH
348
6
HOH
HOH
1347
A
HOH
349
6
HOH
HOH
1348
A
HOH
350
6
HOH
HOH
1349
A
HOH
351
6
HOH
HOH
1350
A
HOH
352
6
HOH
HOH
1351
A
HOH
353
6
HOH
HOH
1352
A
HOH
354
6
HOH
HOH
1353
A
HOH
355
6
HOH
HOH
1354
A
HOH
356
6
HOH
HOH
1355
A
HOH
357
6
HOH
HOH
1356
A
HOH
358
6
HOH
HOH
1357
A
HOH
359
6
HOH
HOH
1358
A
HOH
360
6
HOH
HOH
1359
A
HOH
361
6
HOH
HOH
1360
A
HOH
362
6
HOH
HOH
1361
A
HOH
363
6
HOH
HOH
1362
A
HOH
364
6
HOH
HOH
1363
A
HOH
365
6
HOH
HOH
1364
A
HOH
366
6
HOH
HOH
1365
A
HOH
367
6
HOH
HOH
1366
A
HOH
368
6
HOH
HOH
1367
A
HOH
369
6
HOH
HOH
1368
A
HOH
370
6
HOH
HOH
1369
A
HOH
371
6
HOH
HOH
1370
A
HOH
372
6
HOH
HOH
1371
A
HOH
373
6
HOH
HOH
1372
A
HOH
374
6
HOH
HOH
1373
A
HOH
375
6
HOH
HOH
1374
A
HOH
376
6
HOH
HOH
1375
A
HOH
377
6
HOH
HOH
1376
A
HOH
378
6
HOH
HOH
1377
A
HOH
379
6
HOH
HOH
1378
A
HOH
380
6
HOH
HOH
1379
A
HOH
381
6
HOH
HOH
1380
A
HOH
382
6
HOH
HOH
1381
A
HOH
383
6
HOH
HOH
1382
A
HOH
384
6
HOH
HOH
1383
A
HOH
385
6
HOH
HOH
1384
A
HOH
386
6
HOH
HOH
1385
A
HOH
387
6
HOH
HOH
1386
A
HOH
388
6
HOH
HOH
1387
A
HOH
389
6
HOH
HOH
1388
A
HOH
390
6
HOH
HOH
1389
A
HOH
391
6
HOH
HOH
1390
A
HOH
392
6
HOH
HOH
1391
A
HOH
393
6
HOH
HOH
1392
A
HOH
394
6
HOH
HOH
1393
A
HOH
395
6
HOH
HOH
1394
A
HOH
396
6
HOH
HOH
1395
A
ARG
82
n
1
ARG
82
A
ASP
83
n
2
ASP
83
A
PHE
84
n
3
PHE
84
A
ASN
85
n
4
ASN
85
A
ASN
86
n
5
ASN
86
A
LEU
87
n
6
LEU
87
A
THR
88
n
7
THR
88
A
LYS
89
n
8
LYS
89
A
GLY
90
n
9
GLY
90
A
LEU
91
n
10
LEU
91
A
CYS
92
n
11
CYS
92
A
THR
93
n
12
THR
93
A
ILE
94
n
13
ILE
94
A
ASN
95
n
14
ASN
95
A
SER
96
n
15
SER
96
A
TRP
97
n
16
TRP
97
A
HIS
98
n
17
HIS
98
A
ILE
99
n
18
ILE
99
A
TYR
100
n
19
TYR
100
A
GLY
101
n
20
GLY
101
A
LYS
102
n
21
LYS
102
A
ASP
103
n
22
ASP
103
A
ASN
104
n
23
ASN
104
A
ALA
105
n
24
ALA
105
A
VAL
106
n
25
VAL
106
A
ARG
107
n
26
ARG
107
A
ILE
108
n
27
ILE
108
A
GLY
109
n
28
GLY
109
A
GLU
110
n
29
GLU
110
A
ASP
111
n
30
ASP
111
A
SER
112
n
31
SER
112
A
ASP
113
n
32
ASP
113
A
VAL
114
n
33
VAL
114
A
LEU
115
n
34
LEU
115
A
VAL
116
n
35
VAL
116
A
THR
117
n
36
THR
117
A
ARG
118
n
37
ARG
118
A
GLU
119
n
38
GLU
119
A
PRO
120
n
39
PRO
120
A
TYR
121
n
40
TYR
121
A
VAL
122
n
41
VAL
122
A
SER
123
n
42
SER
123
A
CYS
124
n
43
CYS
124
A
ASP
125
n
44
ASP
125
A
PRO
126
n
45
PRO
126
A
ASP
127
n
46
ASP
127
A
GLU
128
n
47
GLU
128
A
CYS
129
n
48
CYS
129
A
ARG
130
n
49
ARG
130
A
PHE
131
n
50
PHE
131
A
TYR
132
n
51
TYR
132
A
ALA
133
n
52
ALA
133
A
LEU
134
n
53
LEU
134
A
SER
135
n
54
SER
135
A
GLN
136
n
55
GLN
136
A
GLY
137
n
56
GLY
137
A
THR
138
n
57
THR
138
A
THR
139
n
58
THR
139
A
ILE
140
n
59
ILE
140
A
ARG
141
n
60
ARG
141
A
GLY
142
n
61
GLY
142
A
LYS
143
n
62
LYS
143
A
HIS
144
n
63
HIS
144
A
SER
145
n
64
SER
145
A
ASN
146
n
65
ASN
146
A
GLY
147
n
66
GLY
147
A
THR
148
n
67
THR
148
A
ILE
149
n
68
ILE
149
A
HIS
150
n
69
HIS
150
A
ASP
151
n
70
ASP
151
A
ARG
152
n
71
ARG
152
A
SER
153
n
72
SER
153
A
GLN
154
n
73
GLN
154
A
TYR
155
n
74
TYR
155
A
ARG
156
n
75
ARG
156
A
ALA
157
n
76
ALA
157
A
LEU
158
n
77
LEU
158
A
ILE
159
n
78
ILE
159
A
SER
160
n
79
SER
160
A
TRP
161
n
80
TRP
161
A
PRO
162
n
81
PRO
162
A
LEU
163
n
82
LEU
163
A
SER
164
n
83
SER
164
A
SER
165
n
84
SER
165
A
PRO
166
n
85
PRO
166
A
PRO
167
n
86
PRO
167
A
THR
168
n
87
THR
168
A
VAL
169
n
88
VAL
169
A
TYR
169
n
89
A
TYR
169
A
ASN
170
n
90
ASN
170
A
SER
171
n
91
SER
171
A
ARG
172
n
92
ARG
172
A
VAL
173
n
93
VAL
173
A
GLU
174
n
94
GLU
174
A
CYS
175
n
95
CYS
175
A
ILE
176
n
96
ILE
176
A
GLY
177
n
97
GLY
177
A
TRP
178
n
98
TRP
178
A
SER
179
n
99
SER
179
A
SER
180
n
100
SER
180
A
THR
181
n
101
THR
181
A
SER
182
n
102
SER
182
A
CYS
183
n
103
CYS
183
A
HIS
184
n
104
HIS
184
A
ASP
185
n
105
ASP
185
A
GLY
186
n
106
GLY
186
A
LYS
187
n
107
LYS
187
A
THR
188
n
108
THR
188
A
ARG
189
n
109
ARG
189
A
MET
190
n
110
MET
190
A
SER
191
n
111
SER
191
A
ILE
192
n
112
ILE
192
A
CYS
193
n
113
CYS
193
A
ILE
194
n
114
ILE
194
A
SER
195
n
115
SER
195
A
GLY
196
n
116
GLY
196
A
PRO
197
n
117
PRO
197
A
ASN
198
n
118
ASN
198
A
ASN
199
n
119
ASN
199
A
ASN
200
n
120
ASN
200
A
ALA
201
n
121
ALA
201
A
SER
202
n
122
SER
202
A
ALA
203
n
123
ALA
203
A
VAL
204
n
124
VAL
204
A
ILE
205
n
125
ILE
205
A
TRP
206
n
126
TRP
206
A
TYR
207
n
127
TYR
207
A
ASN
208
n
128
ASN
208
A
ARG
209
n
129
ARG
209
A
ARG
210
n
130
ARG
210
A
PRO
211
n
131
PRO
211
A
VAL
212
n
132
VAL
212
A
THR
213
n
133
THR
213
A
GLU
214
n
134
GLU
214
A
ILE
215
n
135
ILE
215
A
ASN
216
n
136
ASN
216
A
THR
217
n
137
THR
217
A
TRP
218
n
138
TRP
218
A
ALA
219
n
139
ALA
219
A
ARG
220
n
140
ARG
220
A
ASN
221
n
141
ASN
221
A
ILE
222
n
142
ILE
222
A
LEU
223
n
143
LEU
223
A
ARG
224
n
144
ARG
224
A
THR
225
n
145
THR
225
A
GLN
226
n
146
GLN
226
A
GLU
227
n
147
GLU
227
A
SER
228
n
148
SER
228
A
GLU
229
n
149
GLU
229
A
CYS
230
n
150
CYS
230
A
VAL
231
n
151
VAL
231
A
CYS
232
n
152
CYS
232
A
HIS
233
n
153
HIS
233
A
ASN
234
n
154
ASN
234
A
GLY
235
n
155
GLY
235
A
VAL
236
n
156
VAL
236
A
CYS
237
n
157
CYS
237
A
PRO
238
n
158
PRO
238
A
VAL
239
n
159
VAL
239
A
VAL
240
n
160
VAL
240
A
PHE
241
n
161
PHE
241
A
THR
242
n
162
THR
242
A
ASP
243
n
163
ASP
243
A
GLY
244
n
164
GLY
244
A
SER
245
n
165
SER
245
A
ALA
246
n
166
ALA
246
A
THR
247
n
167
THR
247
A
GLY
248
n
168
GLY
248
A
PRO
249
n
169
PRO
249
A
ALA
250
n
170
ALA
250
A
GLU
251
n
171
GLU
251
A
THR
252
n
172
THR
252
A
ARG
253
n
173
ARG
253
A
ILE
254
n
174
ILE
254
A
TYR
255
n
175
TYR
255
A
TYR
256
n
176
TYR
256
A
PHE
257
n
177
PHE
257
A
LYS
258
n
178
LYS
258
A
GLU
259
n
179
GLU
259
A
GLY
260
n
180
GLY
260
A
LYS
261
n
181
LYS
261
A
ILE
262
n
182
ILE
262
A
LEU
263
n
183
LEU
263
A
LYS
264
n
184
LYS
264
A
TRP
265
n
185
TRP
265
A
GLU
266
n
186
GLU
266
A
PRO
267
n
187
PRO
267
A
LEU
268
n
188
LEU
268
A
ALA
269
n
189
ALA
269
A
GLY
270
n
190
GLY
270
A
THR
271
n
191
THR
271
A
ALA
272
n
192
ALA
272
A
LYS
273
n
193
LYS
273
A
HIS
274
n
194
HIS
274
A
ILE
275
n
195
ILE
275
A
GLU
276
n
196
GLU
276
A
GLU
277
n
197
GLU
277
A
CYS
278
n
198
CYS
278
A
SER
279
n
199
SER
279
A
CYS
280
n
200
CYS
280
A
TYR
281
n
201
TYR
281
A
GLY
282
n
202
GLY
282
A
GLU
283
n
203
GLU
283
A
ARG
284
n
204
ARG
284
A
ALA
285
n
205
ALA
285
A
GLU
286
n
206
GLU
286
A
ILE
287
n
207
ILE
287
A
THR
288
n
208
THR
288
A
CYS
289
n
209
CYS
289
A
THR
290
n
210
THR
290
A
CYS
291
n
211
CYS
291
A
ARG
292
n
212
ARG
292
A
ASP
293
n
213
ASP
293
A
ASN
294
n
214
ASN
294
A
TRP
295
n
215
TRP
295
A
GLN
296
n
216
GLN
296
A
GLY
297
n
217
GLY
297
A
SER
298
n
218
SER
298
A
ASN
299
n
219
ASN
299
A
ARG
300
n
220
ARG
300
A
PRO
301
n
221
PRO
301
A
VAL
302
n
222
VAL
302
A
ILE
303
n
223
ILE
303
A
ARG
304
n
224
ARG
304
A
ILE
305
n
225
ILE
305
A
ASP
306
n
226
ASP
306
A
PRO
307
n
227
PRO
307
A
VAL
308
n
228
VAL
308
A
ALA
309
n
229
ALA
309
A
MET
310
n
230
MET
310
A
THR
311
n
231
THR
311
A
HIS
312
n
232
HIS
312
A
THR
313
n
233
THR
313
A
SER
314
n
234
SER
314
A
GLN
315
n
235
GLN
315
A
TYR
316
n
236
TYR
316
A
ILE
317
n
237
ILE
317
A
CYS
318
n
238
CYS
318
A
SER
319
n
239
SER
319
A
PRO
320
n
240
PRO
320
A
VAL
321
n
241
VAL
321
A
LEU
322
n
242
LEU
322
A
THR
323
n
243
THR
323
A
ASP
324
n
244
ASP
324
A
ASN
325
n
245
ASN
325
A
PRO
326
n
246
PRO
326
A
ARG
327
n
247
ARG
327
A
PRO
328
n
248
PRO
328
A
ASN
329
n
249
ASN
329
A
ASP
330
n
250
ASP
330
A
PRO
331
n
251
PRO
331
A
THR
332
n
252
THR
332
A
VAL
333
n
253
VAL
333
A
GLY
335
n
254
GLY
335
A
LYS
336
n
255
LYS
336
A
CYS
337
n
256
CYS
337
A
ASN
338
n
257
ASN
338
A
ASP
339
n
258
ASP
339
A
PRO
340
n
259
PRO
340
A
TYR
341
n
260
TYR
341
A
PRO
342
n
261
PRO
342
A
GLY
343
n
262
GLY
343
A
ASN
344
n
263
ASN
344
A
ASN
345
n
264
ASN
345
A
ASN
346
n
265
ASN
346
A
ASN
347
n
266
ASN
347
A
GLY
348
n
267
GLY
348
A
VAL
349
n
268
VAL
349
A
LYS
350
n
269
LYS
350
A
GLY
351
n
270
GLY
351
A
PHE
352
n
271
PHE
352
A
SER
353
n
272
SER
353
A
TYR
354
n
273
TYR
354
A
LEU
355
n
274
LEU
355
A
ASP
356
n
275
ASP
356
A
GLY
357
n
276
GLY
357
A
VAL
358
n
277
VAL
358
A
ASN
359
n
278
ASN
359
A
THR
360
n
279
THR
360
A
TRP
361
n
280
TRP
361
A
LEU
362
n
281
LEU
362
A
GLY
363
n
282
GLY
363
A
ARG
364
n
283
ARG
364
A
THR
365
n
284
THR
365
A
ILE
366
n
285
ILE
366
A
SER
367
n
286
SER
367
A
ILE
368
n
287
ILE
368
A
ALA
369
n
288
ALA
369
A
SER
370
n
289
SER
370
A
ARG
371
n
290
ARG
371
A
SER
372
n
291
SER
372
A
GLY
373
n
292
GLY
373
A
TYR
374
n
293
TYR
374
A
GLU
375
n
294
GLU
375
A
MET
376
n
295
MET
376
A
LEU
377
n
296
LEU
377
A
LYS
378
n
297
LYS
378
A
VAL
379
n
298
VAL
379
A
PRO
380
n
299
PRO
380
A
ASN
381
n
300
ASN
381
A
ALA
382
n
301
ALA
382
A
LEU
383
n
302
LEU
383
A
THR
384
n
303
THR
384
A
ASP
385
n
304
ASP
385
A
ASP
386
n
305
ASP
386
A
LYS
387
n
306
LYS
387
A
SER
388
n
307
SER
388
A
LYS
389
n
308
LYS
389
A
PRO
390
n
309
PRO
390
A
THR
391
n
310
THR
391
A
GLN
392
n
311
GLN
392
A
GLY
394
n
312
GLY
394
A
GLN
395
n
313
GLN
395
A
THR
396
n
314
THR
396
A
ILE
397
n
315
ILE
397
A
VAL
398
n
316
VAL
398
A
LEU
399
n
317
LEU
399
A
ASN
400
n
318
ASN
400
A
THR
401
n
319
THR
401
A
ASP
402
n
320
ASP
402
A
TRP
403
n
321
TRP
403
A
SER
404
n
322
SER
404
A
GLY
405
n
323
GLY
405
A
TYR
406
n
324
TYR
406
A
SER
407
n
325
SER
407
A
GLY
408
n
326
GLY
408
A
SER
409
n
327
SER
409
A
PHE
410
n
328
PHE
410
A
MET
411
n
329
MET
411
A
ASP
412
n
330
ASP
412
A
TYR
412
n
331
A
TYR
412
A
TRP
412
n
332
B
TRP
412
A
ALA
413
n
333
ALA
413
A
GLU
414
n
334
GLU
414
A
GLY
415
n
335
GLY
415
A
GLU
416
n
336
GLU
416
A
CYS
417
n
337
CYS
417
A
TYR
418
n
338
TYR
418
A
ARG
419
n
339
ARG
419
A
ALA
420
n
340
ALA
420
A
CYS
421
n
341
CYS
421
A
PHE
422
n
342
PHE
422
A
TYR
423
n
343
TYR
423
A
VAL
424
n
344
VAL
424
A
GLU
425
n
345
GLU
425
A
LEU
426
n
346
LEU
426
A
ILE
427
n
347
ILE
427
A
ARG
428
n
348
ARG
428
A
GLY
429
n
349
GLY
429
A
ARG
430
n
350
ARG
430
A
PRO
431
n
351
PRO
431
A
LYS
432
n
352
LYS
432
A
GLU
433
n
353
GLU
433
A
ASP
434
n
354
ASP
434
A
LYS
435
n
355
LYS
435
A
VAL
436
n
356
VAL
436
A
TRP
437
n
357
TRP
437
A
TRP
438
n
358
TRP
438
A
THR
439
n
359
THR
439
A
SER
440
n
360
SER
440
A
ASN
441
n
361
ASN
441
A
SER
442
n
362
SER
442
A
ILE
443
n
363
ILE
443
A
VAL
444
n
364
VAL
444
A
SER
445
n
365
SER
445
A
MET
446
n
366
MET
446
A
CYS
447
n
367
CYS
447
A
SER
448
n
368
SER
448
A
SER
449
n
369
SER
449
A
THR
450
n
370
THR
450
A
GLU
451
n
371
GLU
451
A
PHE
452
n
372
PHE
452
A
LEU
453
n
373
LEU
453
A
GLY
454
n
374
GLY
454
A
GLN
455
n
375
GLN
455
A
TRP
456
n
376
TRP
456
A
ASP
457
n
377
ASP
457
A
TRP
458
n
378
TRP
458
A
PRO
459
n
379
PRO
459
A
ASP
460
n
380
ASP
460
A
GLY
461
n
381
GLY
461
A
ALA
462
n
382
ALA
462
A
LYS
463
n
383
LYS
463
A
ILE
464
n
384
ILE
464
A
GLU
465
n
385
GLU
465
A
TYR
466
n
386
TYR
466
A
PHE
467
n
387
PHE
467
A
LEU
468
n
388
LEU
468
A
author_and_software_defined_assembly
PISA,PQS
4
tetrameric
24610
-16
46750
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
A
GLY
297
A
O
GLY
217
1_555
80.2
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
A
ASP
324
A
OD2
ASP
244
1_555
93.6
A
GLY
297
A
O
GLY
217
1_555
A
CA
999
H
CA
CA
1_555
A
ASP
324
A
OD2
ASP
244
1_555
84.5
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
A
ASN
347
A
O
ASN
266
1_555
106.9
A
GLY
297
A
O
GLY
217
1_555
A
CA
999
H
CA
CA
1_555
A
ASN
347
A
O
ASN
266
1_555
165.6
A
ASP
324
A
OD2
ASP
244
1_555
A
CA
999
H
CA
CA
1_555
A
ASN
347
A
O
ASN
266
1_555
107.2
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1007
J
O
HOH
1_555
91.6
A
GLY
297
A
O
GLY
217
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1007
J
O
HOH
1_555
93.9
A
ASP
324
A
OD2
ASP
244
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1007
J
O
HOH
1_555
174.2
A
ASN
347
A
O
ASN
266
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1007
J
O
HOH
1_555
73.7
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
158.4
A
GLY
297
A
O
GLY
217
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
78.9
A
ASP
324
A
OD2
ASP
244
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
89.7
A
ASN
347
A
O
ASN
266
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
92.4
A
HOH
1007
J
O
HOH
1_555
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
84.6
A
HOH
1299
J
O
HOH
1_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
15_555
68.2
A
HOH
1299
J
O
HOH
1_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
2_555
104.9
A
HOH
1299
J
O
HOH
15_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
2_555
68.2
A
HOH
1299
J
O
HOH
1_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
16_555
68.2
A
HOH
1299
J
O
HOH
15_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
16_555
104.9
A
HOH
1299
J
O
HOH
2_555
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
16_555
68.2
A
ASN
86
GLYCOSYLATION SITE
A
ASN
5
ASN
A
ASN
146
GLYCOSYLATION SITE
A
ASN
65
ASN
A
ASN
200
GLYCOSYLATION SITE
A
ASN
120
ASN
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
2_555
-x,-y,z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
15_555
y,-x,z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
16_555
-y,x,z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
A
O
TYR
121
A
O
TYR
40
A
N
TYR
132
A
N
TYR
51
A
O
PHE
131
A
O
PHE
50
A
N
TRP
161
A
N
TRP
80
A
O
LEU
158
A
O
LEU
77
A
N
CYS
175
A
N
CYS
95
A
O
SER
179
A
O
SER
99
A
N
ILE
194
A
N
ILE
114
A
O
SER
191
A
O
SER
111
A
N
TRP
206
A
N
TRP
126
A
O
ALA
203
A
O
ALA
123
A
N
ILE
215
A
N
ILE
135
A
O
VAL
231
A
O
VAL
151
A
N
PRO
238
A
N
PRO
158
A
O
CYS
237
A
O
CYS
157
A
N
PHE
257
A
N
PHE
177
A
O
ILE
254
A
O
ILE
174
A
N
GLU
266
A
N
GLU
186
A
O
SER
279
A
O
SER
199
A
N
THR
290
A
N
THR
210
A
O
ILE
287
A
O
ILE
207
A
N
ILE
305
A
N
ILE
225
A
O
VAL
302
A
O
VAL
222
A
N
GLN
315
A
N
GLN
235
A
O
LEU
362
A
O
LEU
281
A
N
LEU
377
A
N
LEU
296
A
O
TYR
374
A
O
TYR
293
A
N
VAL
398
A
N
VAL
316
A
O
GLY
408
A
O
GLY
326
A
N
TYR
423
A
N
TYR
343
A
O
PHE
422
A
O
PHE
342
A
N
MET
446
A
N
MET
366
A
O
SER
445
A
O
SER
365
A
N
GLY
101
A
N
GLY
20
1
A
CA
998
I
CA
1
A
HOH
1318
J
HOH
1
A
HOH
1334
J
HOH
1
A
HOH
1390
J
HOH
1
A
OD2
ASP
127
A
OD2
ASP
46
0
Y
1
A
CE
LYS
261
A
CE
LYS
181
0
Y
1
A
NZ
LYS
261
A
NZ
LYS
181
0
Y
1
A
CE
LYS
387
A
CE
LYS
306
0
Y
1
A
NZ
LYS
387
A
NZ
LYS
306
0
Y
1
A
OE1
GLU
416
A
OE1
GLU
336
0
Y
1
A
OE2
GLU
416
A
OE2
GLU
336
0
Y
1
A
NZ
LYS
463
A
NZ
LYS
383
0
Y
B
1
A
O1
NAG
479
D
O1
NAG
1
1
N
1
A
O2
SIA
1
F
O2
SIA
0
N
A
1
A
A
O7
O
NAG
HOH
480
1385
1.90
A
B
1
A
A
O4
C1
NAG
NAG
478
479
2.15
1
A
TYR
423
0.063
SIDE CHAIN
1
4.34
0.50
120.30
124.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
364
364
364
N
1
-3.30
0.50
120.30
117.00
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
364
364
364
N
1
A
A
O
O
HOH
HOH
1307
1308
0.47
1_555
48_555
1
A
A
O
O
HOH
HOH
1265
1265
0.80
1_555
48_555
1
A
SER
96
-172.80
-177.60
1
A
ASP
111
-142.43
45.57
1
A
THR
148
-65.40
3.49
1
A
ASN
200
-153.57
38.63
1
A
THR
225
-132.81
-156.37
1
A
CYS
291
-114.66
-163.89
1
A
GLN
315
-161.44
-166.18
1
A
ASN
359
-82.43
47.48
1
A
SER
404
-117.67
-139.64
PARHCSDX.PRO
TOPHCSDX.PRO
CHO_2.PAR
TOPCHO.PAR
SIAL_CHAIR.TOP
SIAL_BOAT.TOP
TOPHPEP
1.7
6.
44274
96.6
1
1.
MOLECULAR REPLACEMENT
TERN N9 NEURAMINIDASE
0.02
0.02
6.
1.7
6.
396
3654
191
0
3067
0.016
1.9
25.6
1.53
2.5
3.0
3.0
3.5
1.8
15
91.8
1.7
100.
1MWE
291377
1.
0.076
0.085
1
9.6
5.07
96.6
1.7
1.8
1
91.8
data collection
R-AXIS
II
data reduction
PROTEIN
V4
model building
X-PLOR
3.0
refinement
X-PLOR
3.0
data reduction
R-AXIS
II
data scaling
PROTEIN
V. 4
phasing
X-PLOR
3.0
THE X-RAY STRUCTURE OF A COMPLEX OF TERN N9 INFLUENZA VIRUS NEURAMINIDASE COMPLEXED WITH SIALIC ACID AT 4 DEGREES C REVEALING A SECOND SIALIC ACID BINDING SITE
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
4
N
N
4
N
N
5
N
N
5
N
N
6
N
N
A
ALA
105
A
ALA
24
HELX_P
A
ASP
111
A
ASP
30
1
1
7
A
LYS
143
A
LYS
62
HELX_P
A
SER
145
A
SER
64
5
2
3
A
ILE
464
A
ILE
384
HELX_P
A
TYR
466
A
TYR
386
5
3
3
disulf
2.031
A
CYS
92
A
SG
CYS
11
1_555
A
CYS
417
A
SG
CYS
337
1_555
disulf
2.060
A
CYS
124
A
SG
CYS
43
1_555
A
CYS
129
A
SG
CYS
48
1_555
disulf
2.032
A
CYS
175
A
SG
CYS
95
1_555
A
CYS
193
A
SG
CYS
113
1_555
disulf
2.031
A
CYS
183
A
SG
CYS
103
1_555
A
CYS
230
A
SG
CYS
150
1_555
disulf
2.023
A
CYS
232
A
SG
CYS
152
1_555
A
CYS
237
A
SG
CYS
157
1_555
disulf
2.056
A
CYS
278
A
SG
CYS
198
1_555
A
CYS
291
A
SG
CYS
211
1_555
disulf
2.046
A
CYS
280
A
SG
CYS
200
1_555
A
CYS
289
A
SG
CYS
209
1_555
disulf
2.039
A
CYS
318
A
SG
CYS
238
1_555
A
CYS
337
A
SG
CYS
256
1_555
disulf
2.055
A
CYS
421
A
SG
CYS
341
1_555
A
CYS
447
A
SG
CYS
367
1_555
covale
1.469
one
A
N-Glycosylation
A
ASN
86
A
ND2
ASN
5
1_555
A
NAG
478
C
C1
NAG
1_555
covale
1.447
one
A
N-Glycosylation
A
ASN
146
A
ND2
ASN
65
1_555
A
NAG
480
E
C1
NAG
1_555
covale
1.440
one
N-Glycosylation
A
ASN
200
A
ND2
ASN
120
1_555
B
NAG
1
B
C1
NAG
1_555
covale
1.431
both
B
NAG
1
B
O4
NAG
1_555
B
NAG
2
B
C1
NAG
1_555
covale
1.433
both
B
NAG
2
B
O4
NAG
1_555
B
BMA
3
B
C1
BMA
1_555
covale
1.409
both
B
BMA
3
B
O3
BMA
1_555
B
MAN
4
B
C1
MAN
1_555
covale
1.471
both
B
BMA
3
B
O6
BMA
1_555
B
MAN
7
B
C1
MAN
1_555
covale
1.414
both
B
MAN
4
B
O2
MAN
1_555
B
MAN
5
B
C1
MAN
1_555
covale
1.428
both
B
MAN
5
B
O2
MAN
1_555
B
MAN
6
B
C1
MAN
1_555
covale
1.540
both
B
MAN
7
B
O3
MAN
1_555
B
MAN
8
B
C1
MAN
1_555
covale
1.548
both
B
MAN
7
B
O6
MAN
1_555
B
MAN
9
B
C1
MAN
1_555
metalc
2.491
A
ASP
293
A
O
ASP
213
1_555
A
CA
999
H
CA
CA
1_555
metalc
2.466
A
GLY
297
A
O
GLY
217
1_555
A
CA
999
H
CA
CA
1_555
metalc
2.781
A
ASP
324
A
OD2
ASP
244
1_555
A
CA
999
H
CA
CA
1_555
metalc
2.656
A
ASN
347
A
O
ASN
266
1_555
A
CA
999
H
CA
CA
1_555
metalc
2.886
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
1_555
metalc
2.886
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
15_555
metalc
2.886
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
2_555
metalc
2.886
A
CA
998
I
CA
CA
1_555
A
HOH
1299
J
O
HOH
16_555
metalc
2.723
A
CA
999
H
CA
CA
1_555
A
HOH
1007
J
O
HOH
1_555
metalc
2.740
A
CA
999
H
CA
CA
1_555
A
HOH
1088
J
O
HOH
1_555
HYDROLASE
HYDROLASE, NEURAMINIDASE, AVIAN INFLUENZA, SIALIC ACID BINDING, HEMAGGLUTINATION SITE, HEME ABSORBING SITE
A
ASN
325
A
ASN
245
1
A
PRO
326
A
PRO
246
-12.56
A
ARG
430
A
ARG
350
1
A
PRO
431
A
PRO
351
4.11
NRAM_IATRA
UNP
1
1
P03472
MNPNQKILCTSATALVIGTIAVLIGITNLGLNIGLHLKPSCNCSHSQPEATNASQTIINNYYNDTNITQISNTNIQVEER
AIRDFNNLTKGLCTINSWHIYGKDNAVRIGEDSDVLVTREPYVSCDPDECRFYALSQGTTIRGKHSNGTIHDRSQYRALI
SWPLSSPPTVYNSRVECIGWSSTSCHDGKTRMSICISGPNNNASAVIWYNRRPVTEINTWARNILRTQESECVCHNGVCP
VVFTDGSATGPAETRIYYFKEGKILKWEPLAGTAKHIEECSCYGERAEITCTCRDNWQGSNRPVIRIDPVAMTHTSQYIC
SPVLTDNPRPNDPTVGKCNDPYPGNNNNGVKGFSYLDGVNTWLGRTISIASRSGYEMLKVPNALTDDKSKPTQGQTIVLN
TDWSGYSGSFMDYWAEGECYRACFYVELIRGRPKEDKVWWTSNSIVSMCSSTEFLGQWDWPDGAKIEYFL
83
470
1MWE
82
468
P03472
A
1
1
388
4
4
4
4
3
4
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
A
TYR
121
A
TYR
40
A
ASP
125
A
ASP
44
A
GLU
128
A
GLU
47
A
SER
135
A
SER
54
A
ALA
157
A
ALA
76
A
PRO
162
A
PRO
81
A
ARG
172
A
ARG
92
A
ILE
176
A
ILE
96
A
SER
179
A
SER
99
A
HIS
184
A
HIS
104
A
ARG
189
A
ARG
109
A
SER
195
A
SER
115
A
SER
202
A
SER
122
A
TYR
207
A
TYR
127
A
ARG
210
A
ARG
130
A
ASN
216
A
ASN
136
A
VAL
231
A
VAL
151
A
HIS
233
A
HIS
153
A
VAL
236
A
VAL
156
A
GLY
244
A
GLY
164
A
ALA
250
A
ALA
170
A
LYS
258
A
LYS
178
A
LYS
261
A
LYS
181
A
PRO
267
A
PRO
187
A
SER
279
A
SER
199
A
GLU
283
A
GLU
203
A
GLU
286
A
GLU
206
A
THR
290
A
THR
210
A
PRO
301
A
PRO
221
A
ASP
306
A
ASP
226
A
THR
311
A
THR
231
A
TYR
316
A
TYR
236
A
TRP
361
A
TRP
280
A
ARG
364
A
ARG
283
A
TYR
374
A
TYR
293
A
LYS
378
A
LYS
297
A
GLN
392
A
GLN
311
A
VAL
398
A
VAL
316
A
SER
407
A
SER
325
A
MET
411
A
MET
329
A
ALA
420
A
ALA
340
A
GLY
429
A
GLY
349
A
THR
439
A
THR
359
A
SER
449
A
SER
369
A
SER
96
A
SER
15
A
LYS
102
A
LYS
21
211
I 4 3 2