0.013837
0.000000
0.000000
0.000000
0.012444
0.000000
0.000000
0.000000
0.023040
0.00000
0.00000
0.00000
Livnah, O.
Huberman, T.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
72.269
80.362
43.402
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
C16 H20 N4 O4 S
364.419
5-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-6-YL)-PENTANOIC ACID (4-NITRO-PHENYL)-AMIDE
BIOTINYL P-NITROANILINE
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
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
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
C
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
C
N
79
S
C
N
80
N
C
N
81
S
C
N
82
R
C
N
83
N
C
N
84
N
O
N
85
N
O
N
86
N
N
N
87
N
N
N
88
N
S
N
89
N
N
Y
90
N
C
Y
91
N
C
Y
92
N
C
Y
93
N
C
Y
94
N
C
Y
95
N
C
N
96
N
N
N
97
N
O
N
98
N
O
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
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
N
N
120
R
C
N
121
N
C
N
122
N
O
N
123
N
C
N
124
N
S
N
125
N
O
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
N
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
H
N
153
N
N
N
154
S
C
N
155
N
C
N
156
N
O
N
157
N
C
N
158
N
C
N
159
N
C
N
160
N
O
N
161
N
O
N
162
N
O
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
N
N
173
N
C
N
174
N
C
N
175
N
O
N
176
N
O
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
N
N
183
S
C
N
184
N
C
N
185
N
O
N
186
N
C
Y
187
N
C
Y
188
N
N
Y
189
N
C
Y
190
N
C
Y
191
N
N
N
192
N
O
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
O
N
204
N
H
N
205
N
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
S
C
N
211
N
C
N
212
N
C
N
213
N
C
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
N
N
229
S
C
N
230
N
C
N
231
N
O
N
232
N
C
N
233
N
C
N
234
N
C
N
235
N
C
N
236
N
O
N
237
N
H
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
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
N
255
N
C
N
256
N
C
N
257
N
C
N
258
N
N
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
H
N
274
N
H
N
275
N
N
N
276
S
C
N
277
N
C
N
278
N
O
N
279
N
C
N
280
N
C
N
281
N
S
N
282
N
C
N
283
N
O
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
R
C
N
296
R
C
N
297
R
C
N
298
S
C
N
299
R
C
N
300
N
C
N
301
N
C
N
302
N
C
N
303
N
N
N
304
N
O
N
305
N
O
N
306
N
O
N
307
N
O
N
308
N
O
N
309
N
O
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
N
N
326
S
C
N
327
N
C
N
328
N
O
N
329
N
C
Y
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
N
336
N
O
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
N
353
N
C
N
354
N
C
N
355
N
O
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
N
N
366
S
C
N
367
N
C
N
368
N
O
N
369
N
C
N
370
N
O
N
371
N
O
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
R
C
N
384
N
O
N
385
N
C
N
386
N
O
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
N
N
397
S
C
N
398
N
C
N
399
N
O
N
400
N
C
Y
401
N
C
Y
402
N
C
Y
403
N
C
Y
404
N
N
Y
405
N
C
Y
406
N
C
Y
407
N
C
Y
408
N
C
Y
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
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
N
C
Y
428
N
C
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
O
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
N
452
N
C
N
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
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
doub
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
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
Y
104
N
doub
Y
105
N
sing
Y
106
N
sing
N
107
N
sing
Y
108
N
doub
N
109
N
sing
Y
110
N
sing
N
111
N
sing
Y
112
N
doub
N
113
N
sing
N
114
N
sing
N
115
N
doub
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
doub
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
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
doub
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
sing
N
144
N
doub
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
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
doub
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
doub
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
doub
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
Y
187
N
sing
Y
188
N
doub
Y
189
N
doub
N
190
N
sing
Y
191
N
sing
N
192
N
sing
Y
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
doub
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
sing
N
225
N
sing
N
226
N
doub
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
doub
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
doub
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
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
doub
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
doub
N
321
N
sing
N
322
N
sing
N
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
doub
N
330
N
sing
Y
331
N
doub
N
332
N
sing
Y
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
doub
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
doub
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
doub
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
doub
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
Y
394
N
doub
Y
395
N
sing
Y
396
N
sing
N
397
N
sing
Y
398
N
doub
Y
399
N
sing
Y
400
N
sing
N
401
N
sing
Y
402
N
sing
Y
403
N
doub
N
404
N
sing
Y
405
N
doub
N
406
N
sing
Y
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
sing
N
415
N
sing
N
416
N
sing
N
417
N
doub
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
Y
422
N
doub
Y
423
N
sing
Y
424
N
sing
N
425
N
sing
Y
426
N
doub
N
427
N
sing
Y
428
N
doub
N
429
N
sing
Y
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
sing
N
439
N
sing
N
440
N
sing
N
441
N
doub
N
442
N
sing
N
443
N
sing
N
444
N
sing
N
445
N
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
sing
N
451
N
sing
N
452
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
276
32031
32039
10.1074/jbc.M102018200
11395489
Chicken avidin exhibits pseudo-catalytic properties. Biochemical, structural, and electrostatic consequences.
2001
10.2210/pdb1ij8/pdb
pdb_00001ij8
NAG A 401 HAS WRONG CHIRALITY AT ATOM C1
NAG B 402 HAS WRONG CHIRALITY AT ATOM C1
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
Max-Flux
IMAGE PLATE
2000-06-18
RIGAKU RAXIS IV
mirrors
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU ULTRAX 18
14350.081
AVIDIN
2
nat
polymer
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
2
man
non-polymer
364.419
5-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-6-YL)-PENTANOIC ACID (4-NITRO-PHENYL)-AMIDE
2
syn
non-polymer
18.015
water
82
nat
water
no
no
ARKCSLTGKWTNDLGSNMTIGAVNSRGEFTGTYTTAVTATSNEIKESPLHGTENTINKRTQPTFGFTVNWKFSESTTVFT
GQCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLRTQKE
ARKCSLTGKWTNDLGSNMTIGAVNSRGEFTGTYTTAVTATSNEIKESPLHGTENTINKRTQPTFGFTVNWKFSESTTVFT
GQCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLRTQKE
A,B
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
chicken
Gallus
sample
9031
Gallus gallus
EGG WHITE
1
2.20
43.97
VAPOR DIFFUSION, HANGING DROP
5.8
12% PEG2000, 0.1M imidazole malate, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
software
atom_site
chem_comp
database_PDB_caveat
entity
pdbx_chem_comp_identifier
pdbx_entity_nonpoly
pdbx_nonpoly_scheme
pdbx_validate_chiral
struct_conn
struct_site
struct_site_gen
chem_comp
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
repository
Initial release
Carbohydrate remediation
repository
Remediation
Version format compliance
Derived calculations
Version format compliance
Refinement description
Advisory
Atomic model
Data collection
Derived calculations
Non-polymer description
Structure summary
Data collection
Database references
Refinement description
Structure summary
1
0
2001-09-12
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
2
0
2020-07-29
2
1
2023-10-25
_atom_site.B_iso_or_equiv
_atom_site.Cartn_x
_atom_site.Cartn_y
_atom_site.Cartn_z
_atom_site.auth_atom_id
_atom_site.auth_comp_id
_atom_site.label_atom_id
_atom_site.label_comp_id
_atom_site.type_symbol
_chem_comp.id
_chem_comp.name
_chem_comp.type
_entity.pdbx_description
_pdbx_entity_nonpoly.comp_id
_pdbx_entity_nonpoly.name
_pdbx_nonpoly_scheme.mon_id
_pdbx_nonpoly_scheme.pdb_mon_id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_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
_chem_comp.pdbx_synonyms
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
DGlcpNAcb
N-acetyl-b-D-glucopyranosamine
b-D-GlcpNAc
GlcNAc
2AVI contains avidin-biotin complex
1I9H contains streptavidin-BNA complex
RCSB
Y
PDBJ
2001-04-25
REL
NAG
2-acetamido-2-deoxy-beta-D-glucopyranose
BNI
5-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-6-YL)-PENTANOIC ACID (4-NITRO-PHENYL)-AMIDE
HOH
water
2AVI
PDB
experimental model
NAG
401
2
NAG
NAG
401
A
BNI
501
3
BNI
BNI
501
A
NAG
402
2
NAG
NAG
402
B
BNI
502
3
BNI
BNI
502
B
HOH
601
4
HOH
HOH
601
A
HOH
602
4
HOH
HOH
602
A
HOH
604
4
HOH
HOH
604
A
HOH
606
4
HOH
HOH
606
A
HOH
613
4
HOH
HOH
613
A
HOH
614
4
HOH
HOH
614
A
HOH
615
4
HOH
HOH
615
A
HOH
622
4
HOH
HOH
622
A
HOH
623
4
HOH
HOH
623
A
HOH
625
4
HOH
HOH
625
A
HOH
627
4
HOH
HOH
627
A
HOH
628
4
HOH
HOH
628
A
HOH
630
4
HOH
HOH
630
A
HOH
631
4
HOH
HOH
631
A
HOH
632
4
HOH
HOH
632
A
HOH
635
4
HOH
HOH
635
A
HOH
636
4
HOH
HOH
636
A
HOH
638
4
HOH
HOH
638
A
HOH
639
4
HOH
HOH
639
A
HOH
641
4
HOH
HOH
641
A
HOH
644
4
HOH
HOH
644
A
HOH
645
4
HOH
HOH
645
A
HOH
646
4
HOH
HOH
646
A
HOH
648
4
HOH
HOH
648
A
HOH
654
4
HOH
HOH
654
A
HOH
655
4
HOH
HOH
655
A
HOH
656
4
HOH
HOH
656
A
HOH
659
4
HOH
HOH
659
A
HOH
661
4
HOH
HOH
661
A
HOH
662
4
HOH
HOH
662
A
HOH
665
4
HOH
HOH
665
A
HOH
668
4
HOH
HOH
668
A
HOH
670
4
HOH
HOH
670
A
HOH
673
4
HOH
HOH
673
A
HOH
675
4
HOH
HOH
675
A
HOH
676
4
HOH
HOH
676
A
HOH
677
4
HOH
HOH
677
A
HOH
680
4
HOH
HOH
680
A
HOH
682
4
HOH
HOH
682
A
HOH
603
4
HOH
HOH
603
B
HOH
605
4
HOH
HOH
605
B
HOH
607
4
HOH
HOH
607
B
HOH
608
4
HOH
HOH
608
B
HOH
609
4
HOH
HOH
609
B
HOH
610
4
HOH
HOH
610
B
HOH
611
4
HOH
HOH
611
B
HOH
612
4
HOH
HOH
612
B
HOH
616
4
HOH
HOH
616
B
HOH
617
4
HOH
HOH
617
B
HOH
618
4
HOH
HOH
618
B
HOH
619
4
HOH
HOH
619
B
HOH
620
4
HOH
HOH
620
B
HOH
621
4
HOH
HOH
621
B
HOH
624
4
HOH
HOH
624
B
HOH
626
4
HOH
HOH
626
B
HOH
629
4
HOH
HOH
629
B
HOH
633
4
HOH
HOH
633
B
HOH
634
4
HOH
HOH
634
B
HOH
637
4
HOH
HOH
637
B
HOH
640
4
HOH
HOH
640
B
HOH
642
4
HOH
HOH
642
B
HOH
643
4
HOH
HOH
643
B
HOH
647
4
HOH
HOH
647
B
HOH
649
4
HOH
HOH
649
B
HOH
650
4
HOH
HOH
650
B
HOH
651
4
HOH
HOH
651
B
HOH
652
4
HOH
HOH
652
B
HOH
653
4
HOH
HOH
653
B
HOH
657
4
HOH
HOH
657
B
HOH
658
4
HOH
HOH
658
B
HOH
660
4
HOH
HOH
660
B
HOH
663
4
HOH
HOH
663
B
HOH
664
4
HOH
HOH
664
B
HOH
666
4
HOH
HOH
666
B
HOH
667
4
HOH
HOH
667
B
HOH
669
4
HOH
HOH
669
B
HOH
671
4
HOH
HOH
671
B
HOH
672
4
HOH
HOH
672
B
HOH
674
4
HOH
HOH
674
B
HOH
678
4
HOH
HOH
678
B
HOH
679
4
HOH
HOH
679
B
HOH
681
4
HOH
HOH
681
B
n
1
1
A
n
2
2
A
LYS
3
n
3
LYS
3
A
CYS
4
n
4
CYS
4
A
SER
5
n
5
SER
5
A
LEU
6
n
6
LEU
6
A
THR
7
n
7
THR
7
A
GLY
8
n
8
GLY
8
A
LYS
9
n
9
LYS
9
A
TRP
10
n
10
TRP
10
A
THR
11
n
11
THR
11
A
ASN
12
n
12
ASN
12
A
ASP
13
n
13
ASP
13
A
LEU
14
n
14
LEU
14
A
GLY
15
n
15
GLY
15
A
SER
16
n
16
SER
16
A
ASN
17
n
17
ASN
17
A
MET
18
n
18
MET
18
A
THR
19
n
19
THR
19
A
ILE
20
n
20
ILE
20
A
GLY
21
n
21
GLY
21
A
ALA
22
n
22
ALA
22
A
VAL
23
n
23
VAL
23
A
ASN
24
n
24
ASN
24
A
SER
25
n
25
SER
25
A
ARG
26
n
26
ARG
26
A
GLY
27
n
27
GLY
27
A
GLU
28
n
28
GLU
28
A
PHE
29
n
29
PHE
29
A
THR
30
n
30
THR
30
A
GLY
31
n
31
GLY
31
A
THR
32
n
32
THR
32
A
TYR
33
n
33
TYR
33
A
THR
34
n
34
THR
34
A
THR
35
n
35
THR
35
A
ALA
36
n
36
ALA
36
A
VAL
37
n
37
VAL
37
A
THR
38
n
38
THR
38
A
n
39
39
A
n
40
40
A
n
41
41
A
ASN
42
n
42
ASN
42
A
GLU
43
n
43
GLU
43
A
ILE
44
n
44
ILE
44
A
LYS
45
n
45
LYS
45
A
GLU
46
n
46
GLU
46
A
SER
47
n
47
SER
47
A
PRO
48
n
48
PRO
48
A
LEU
49
n
49
LEU
49
A
HIS
50
n
50
HIS
50
A
GLY
51
n
51
GLY
51
A
THR
52
n
52
THR
52
A
GLU
53
n
53
GLU
53
A
ASN
54
n
54
ASN
54
A
THR
55
n
55
THR
55
A
ILE
56
n
56
ILE
56
A
ASN
57
n
57
ASN
57
A
LYS
58
n
58
LYS
58
A
ARG
59
n
59
ARG
59
A
THR
60
n
60
THR
60
A
GLN
61
n
61
GLN
61
A
PRO
62
n
62
PRO
62
A
THR
63
n
63
THR
63
A
PHE
64
n
64
PHE
64
A
GLY
65
n
65
GLY
65
A
PHE
66
n
66
PHE
66
A
THR
67
n
67
THR
67
A
VAL
68
n
68
VAL
68
A
ASN
69
n
69
ASN
69
A
TRP
70
n
70
TRP
70
A
LYS
71
n
71
LYS
71
A
PHE
72
n
72
PHE
72
A
SER
73
n
73
SER
73
A
GLU
74
n
74
GLU
74
A
SER
75
n
75
SER
75
A
THR
76
n
76
THR
76
A
THR
77
n
77
THR
77
A
VAL
78
n
78
VAL
78
A
PHE
79
n
79
PHE
79
A
THR
80
n
80
THR
80
A
GLY
81
n
81
GLY
81
A
GLN
82
n
82
GLN
82
A
CYS
83
n
83
CYS
83
A
PHE
84
n
84
PHE
84
A
ILE
85
n
85
ILE
85
A
ASP
86
n
86
ASP
86
A
ARG
87
n
87
ARG
87
A
ASN
88
n
88
ASN
88
A
GLY
89
n
89
GLY
89
A
LYS
90
n
90
LYS
90
A
GLU
91
n
91
GLU
91
A
VAL
92
n
92
VAL
92
A
LEU
93
n
93
LEU
93
A
LYS
94
n
94
LYS
94
A
THR
95
n
95
THR
95
A
MET
96
n
96
MET
96
A
TRP
97
n
97
TRP
97
A
LEU
98
n
98
LEU
98
A
LEU
99
n
99
LEU
99
A
ARG
100
n
100
ARG
100
A
SER
101
n
101
SER
101
A
SER
102
n
102
SER
102
A
VAL
103
n
103
VAL
103
A
ASN
104
n
104
ASN
104
A
ASP
105
n
105
ASP
105
A
ILE
106
n
106
ILE
106
A
GLY
107
n
107
GLY
107
A
ASP
108
n
108
ASP
108
A
ASP
109
n
109
ASP
109
A
TRP
110
n
110
TRP
110
A
LYS
111
n
111
LYS
111
A
ALA
112
n
112
ALA
112
A
THR
113
n
113
THR
113
A
ARG
114
n
114
ARG
114
A
VAL
115
n
115
VAL
115
A
GLY
116
n
116
GLY
116
A
ILE
117
n
117
ILE
117
A
ASN
118
n
118
ASN
118
A
ILE
119
n
119
ILE
119
A
PHE
120
n
120
PHE
120
A
THR
121
n
121
THR
121
A
ARG
122
n
122
ARG
122
A
LEU
123
n
123
LEU
123
A
n
124
124
A
n
125
125
A
n
126
126
A
n
127
127
A
n
128
128
A
n
1
201
B
ARG
202
n
2
ARG
202
B
LYS
203
n
3
LYS
203
B
CYS
204
n
4
CYS
204
B
SER
205
n
5
SER
205
B
LEU
206
n
6
LEU
206
B
THR
207
n
7
THR
207
B
GLY
208
n
8
GLY
208
B
LYS
209
n
9
LYS
209
B
TRP
210
n
10
TRP
210
B
THR
211
n
11
THR
211
B
ASN
212
n
12
ASN
212
B
ASP
213
n
13
ASP
213
B
LEU
214
n
14
LEU
214
B
GLY
215
n
15
GLY
215
B
SER
216
n
16
SER
216
B
ASN
217
n
17
ASN
217
B
MET
218
n
18
MET
218
B
THR
219
n
19
THR
219
B
ILE
220
n
20
ILE
220
B
GLY
221
n
21
GLY
221
B
ALA
222
n
22
ALA
222
B
VAL
223
n
23
VAL
223
B
ASN
224
n
24
ASN
224
B
SER
225
n
25
SER
225
B
ARG
226
n
26
ARG
226
B
GLY
227
n
27
GLY
227
B
GLU
228
n
28
GLU
228
B
PHE
229
n
29
PHE
229
B
THR
230
n
30
THR
230
B
GLY
231
n
31
GLY
231
B
THR
232
n
32
THR
232
B
TYR
233
n
33
TYR
233
B
THR
234
n
34
THR
234
B
THR
235
n
35
THR
235
B
ALA
236
n
36
ALA
236
B
VAL
237
n
37
VAL
237
B
THR
238
n
38
THR
238
B
n
39
239
B
n
40
240
B
n
41
241
B
ASN
242
n
42
ASN
242
B
GLU
243
n
43
GLU
243
B
ILE
244
n
44
ILE
244
B
LYS
245
n
45
LYS
245
B
GLU
246
n
46
GLU
246
B
SER
247
n
47
SER
247
B
PRO
248
n
48
PRO
248
B
LEU
249
n
49
LEU
249
B
HIS
250
n
50
HIS
250
B
GLY
251
n
51
GLY
251
B
THR
252
n
52
THR
252
B
GLU
253
n
53
GLU
253
B
ASN
254
n
54
ASN
254
B
THR
255
n
55
THR
255
B
ILE
256
n
56
ILE
256
B
ASN
257
n
57
ASN
257
B
LYS
258
n
58
LYS
258
B
ARG
259
n
59
ARG
259
B
THR
260
n
60
THR
260
B
GLN
261
n
61
GLN
261
B
PRO
262
n
62
PRO
262
B
THR
263
n
63
THR
263
B
PHE
264
n
64
PHE
264
B
GLY
265
n
65
GLY
265
B
PHE
266
n
66
PHE
266
B
THR
267
n
67
THR
267
B
VAL
268
n
68
VAL
268
B
ASN
269
n
69
ASN
269
B
TRP
270
n
70
TRP
270
B
LYS
271
n
71
LYS
271
B
PHE
272
n
72
PHE
272
B
SER
273
n
73
SER
273
B
GLU
274
n
74
GLU
274
B
SER
275
n
75
SER
275
B
THR
276
n
76
THR
276
B
THR
277
n
77
THR
277
B
VAL
278
n
78
VAL
278
B
PHE
279
n
79
PHE
279
B
THR
280
n
80
THR
280
B
GLY
281
n
81
GLY
281
B
GLN
282
n
82
GLN
282
B
CYS
283
n
83
CYS
283
B
PHE
284
n
84
PHE
284
B
ILE
285
n
85
ILE
285
B
ASP
286
n
86
ASP
286
B
ARG
287
n
87
ARG
287
B
ASN
288
n
88
ASN
288
B
GLY
289
n
89
GLY
289
B
LYS
290
n
90
LYS
290
B
GLU
291
n
91
GLU
291
B
VAL
292
n
92
VAL
292
B
LEU
293
n
93
LEU
293
B
LYS
294
n
94
LYS
294
B
THR
295
n
95
THR
295
B
MET
296
n
96
MET
296
B
TRP
297
n
97
TRP
297
B
LEU
298
n
98
LEU
298
B
LEU
299
n
99
LEU
299
B
ARG
300
n
100
ARG
300
B
SER
301
n
101
SER
301
B
SER
302
n
102
SER
302
B
VAL
303
n
103
VAL
303
B
ASN
304
n
104
ASN
304
B
ASP
305
n
105
ASP
305
B
ILE
306
n
106
ILE
306
B
GLY
307
n
107
GLY
307
B
ASP
308
n
108
ASP
308
B
ASP
309
n
109
ASP
309
B
TRP
310
n
110
TRP
310
B
LYS
311
n
111
LYS
311
B
ALA
312
n
112
ALA
312
B
THR
313
n
113
THR
313
B
ARG
314
n
114
ARG
314
B
VAL
315
n
115
VAL
315
B
GLY
316
n
116
GLY
316
B
ILE
317
n
117
ILE
317
B
ASN
318
n
118
ASN
318
B
ILE
319
n
119
ILE
319
B
PHE
320
n
120
PHE
320
B
THR
321
n
121
THR
321
B
ARG
322
n
122
ARG
322
B
LEU
323
n
123
LEU
323
B
n
124
324
B
n
125
325
B
n
126
326
B
n
127
327
B
n
128
328
B
author_and_software_defined_assembly
PISA,PQS
4
tetrameric
13880
-6
20220
B
ASN
217
GLYCOSYLATION SITE
B
ASN
17
ASN
A
ASN
17
GLYCOSYLATION SITE
A
ASN
17
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_565
-x,-y+1,z
crystal symmetry operation
0.0000000000
80.3620000000
0.0000000000
A
N
TRP
10
A
N
TRP
10
A
O
MET
18
A
O
MET
18
A
N
THR
19
A
N
THR
19
A
O
THR
32
A
O
THR
32
A
O
THR
35
A
O
THR
35
A
N
LYS
45
A
N
LYS
45
A
N
THR
52
A
N
THR
52
A
O
GLY
65
A
O
GLY
65
A
N
VAL
68
A
N
VAL
68
A
O
THR
77
A
O
THR
77
A
N
PHE
84
A
N
PHE
84
A
O
VAL
92
A
O
VAL
92
A
N
LEU
99
A
N
LEU
99
A
O
ARG
114
A
O
ARG
114
A
N
THR
121
A
N
THR
121
A
O
THR
11
A
O
THR
11
B
N
TRP
210
B
N
TRP
10
B
O
MET
218
B
O
MET
18
B
N
THR
219
B
N
THR
19
B
O
THR
232
B
O
THR
32
B
O
THR
235
B
O
THR
35
B
N
LYS
245
B
N
LYS
45
B
O
THR
252
B
O
THR
52
B
N
GLY
265
B
N
GLY
65
B
N
VAL
268
B
N
VAL
68
B
O
THR
277
B
O
THR
77
B
N
PHE
284
B
N
PHE
84
B
O
VAL
292
B
O
VAL
92
B
N
LEU
299
B
N
LEU
99
B
O
ARG
314
B
O
ARG
114
B
N
THR
321
B
N
THR
121
B
O
THR
211
B
O
THR
11
1
A
ALA
1
A
ALA
1
1
Y
1
A
ARG
2
A
ARG
2
1
Y
1
A
ALA
39
A
ALA
39
1
Y
1
A
THR
40
A
THR
40
1
Y
1
A
SER
41
A
SER
41
1
Y
1
A
ARG
124
A
ARG
124
1
Y
1
A
THR
125
A
THR
125
1
Y
1
A
GLN
126
A
GLN
126
1
Y
1
A
LYS
127
A
LYS
127
1
Y
1
A
GLU
128
A
GLU
128
1
Y
1
B
ALA
201
B
ALA
1
1
Y
1
B
ALA
239
B
ALA
39
1
Y
1
B
THR
240
B
THR
40
1
Y
1
B
SER
241
B
SER
41
1
Y
1
B
ARG
324
B
ARG
124
1
Y
1
B
THR
325
B
THR
125
1
Y
1
B
GLN
326
B
GLN
126
1
Y
1
B
LYS
327
B
LYS
127
1
Y
1
B
GLU
328
B
GLU
128
1
Y
1
A
C1
NAG
401
WRONG HAND
1
B
C1
NAG
402
WRONG HAND
1
15.45
2.30
115.30
130.75
A
A
A
CA
CB
CG
LEU
LEU
LEU
49
49
49
N
1
A
GLU
43
-109.93
-69.11
1
A
LYS
58
37.98
48.89
1
B
ASN
224
-66.37
-174.23
1
B
VAL
237
-153.64
29.00
1
B
LYS
258
33.42
49.28
-2.258
0.0
0.0
0.360
0.0
1.898
0.234
0.204
0.206
0.206
2.0
50.0
1568
33015
31543
5
random
1
1.0
1.0
FOURIER SYNTHESIS
2AVI
Engh & Huber
2.0
50.0
82
2027
78
0
1867
29.5
2.0
50.0
1IJ8
17510
17510
1.
1.
0.052
1
30.7
5.5
98.7
0.279
2.0
2.05
1
5.5
98.1
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
CRYSTAL STRUCTURE OF LITE AVIDIN-BNI COMPLEX
1
N
N
1
N
N
2
N
N
3
N
N
2
N
N
3
N
N
4
N
N
4
N
N
The second part of the biological assembly to for the avidin tetramer is generated by the two fold axis -x, -y+1, z
A
THR
55
A
THR
55
HELX_P
A
ARG
59
A
ARG
59
5
1
5
A
ASP
105
A
ASP
105
HELX_P
A
LYS
111
A
LYS
111
5
2
7
B
THR
255
B
THR
55
HELX_P
B
ARG
259
B
ARG
59
5
3
5
B
ASP
305
B
ASP
105
HELX_P
B
LYS
311
B
LYS
111
5
4
7
disulf
2.022
A
CYS
4
A
SG
CYS
4
1_555
A
CYS
83
A
SG
CYS
83
1_555
disulf
2.027
B
CYS
204
B
SG
CYS
4
1_555
B
CYS
283
B
SG
CYS
83
1_555
covale
1.453
one
N-Glycosylation
A
ASN
17
A
ND2
ASN
17
1_555
A
NAG
401
C
C1
NAG
1_555
covale
1.449
one
N-Glycosylation
B
ASN
217
B
ND2
ASN
17
1_555
B
NAG
402
E
C1
NAG
1_555
UNKNOWN FUNCTION
avidin, streptavidin, pseudo enzymatic activity, UNKNOWN FUNCTION
AVID_CHICK
UNP
1
P02701
25
152
1IJ8
1
128
P02701
A
1
1
128
25
152
1IJ8
201
328
P02701
B
1
1
128
1
ILE
SEE REMARK 999
THR
34
1IJ8
A
P02701
UNP
58
34
2
ILE
SEE REMARK 999
THR
234
1IJ8
B
P02701
UNP
58
34
9
9
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
GLY
8
A
GLY
8
A
ASN
12
A
ASN
12
A
ASN
17
A
ASN
17
A
ILE
20
A
ILE
20
A
GLU
28
A
GLU
28
A
ALA
36
A
ALA
36
A
ILE
44
A
ILE
44
A
GLU
53
A
GLU
53
A
THR
63
A
THR
63
A
ASN
69
A
ASN
69
A
THR
76
A
THR
76
A
ILE
85
A
ILE
85
A
GLU
91
A
GLU
91
A
ARG
100
A
ARG
100
A
THR
113
A
THR
113
A
ARG
122
A
ARG
122
A
GLY
8
A
GLY
8
A
ASN
12
A
ASN
12
B
GLY
208
B
GLY
8
B
ASN
212
B
ASN
12
B
ASN
217
B
ASN
17
B
ILE
220
B
ILE
20
B
GLU
228
B
GLU
28
B
ALA
236
B
ALA
36
B
ILE
244
B
ILE
44
B
GLU
253
B
GLU
53
B
THR
263
B
THR
63
B
ASN
269
B
ASN
69
B
THR
276
B
THR
76
B
ILE
285
B
ILE
85
B
GLU
291
B
GLU
91
B
ARG
300
B
ARG
100
B
THR
313
B
THR
113
B
ARG
322
B
ARG
122
B
GLY
208
B
GLY
8
B
ASN
212
B
ASN
12
18
P 21 21 2