0.014064
-0.000000
0.000000
0.000000
0.012529
0.000000
0.000000
0.000000
0.023180
0.00000
0.00000
0.00000
Pazy, Y.
Kulik, T.
Bayer, E.A.
Wilchek, M.
Livnah, O.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
71.103
79.813
43.140
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C8 H15 N O6
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
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
C9 H14 N2 O3 S
230.284
NORBIOTIN
4-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-4-YL)-BUTYRIC ACID
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
30892
30900
10.1074/jbc.M202874200
12055191
Ligand exchange between proteins: exchange of biotin and biotin derivatives between avidin and streptavidin
2002
NAG A 151 HAS WRONG CHIRALITY AT ATOM C1
NAG B 352 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
295
1
IMAGE PLATE
2001-12-10
RIGAKU RAXIS IV++
max flux optics
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH3R
14350.081
avidin
2
nat
polymer
221.208
2-acetamido-2-deoxy-beta-D-glucopyranose
2
syn
non-polymer
230.284
NORBIOTIN
2
syn
non-polymer
18.015
water
107
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
2.13
42.31
VAPOR DIFFUSION, HANGING DROP
5.8
12% PEG 1000, 0.1 immidazole malate, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
atom_site
chem_comp
database_PDB_caveat
entity
pdbx_chem_comp_identifier
pdbx_entity_nonpoly
pdbx_nonpoly_scheme
pdbx_validate_chiral
struct_conn
struct_ref_seq_dif
struct_site
struct_site_gen
repository
Initial release
Carbohydrate remediation
repository
Remediation
Version format compliance
Derived calculations
Version format compliance
Advisory
Atomic model
Data collection
Database references
Derived calculations
Non-polymer description
Structure summary
1
0
2002-11-06
1
1
2008-04-28
1
2
2011-07-13
2
0
2020-07-29
_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_leaving_atom_flag
_struct_conn.pdbx_role
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_label_comp_id
_struct_ref_seq_dif.details
DGlcpNAcb
N-acetyl-b-D-glucopyranosamine
b-D-GlcpNAc
GlcNAc
streptavidin-norbiotin complex
streptavidin-homobiotin complex
streptavidin-BCAP complex
avidin-homobiotin complex
avidin BCAP complex
RCSB
Y
RCSB
2002-04-09
REL
NAG
2-acetamido-2-deoxy-beta-D-glucopyranose
SNR
NORBIOTIN
HOH
water
NAG
401
2
NAG
NAG
151
A
SNR
150
3
SNR
SNR
150
A
NAG
402
2
NAG
NAG
352
B
SNR
350
3
SNR
SNR
350
B
WAT
402
4
HOH
HOH
402
A
WAT
404
4
HOH
HOH
404
A
WAT
405
4
HOH
HOH
405
A
WAT
409
4
HOH
HOH
409
A
WAT
410
4
HOH
HOH
410
A
WAT
411
4
HOH
HOH
411
A
WAT
414
4
HOH
HOH
414
A
WAT
416
4
HOH
HOH
416
A
WAT
417
4
HOH
HOH
417
A
WAT
420
4
HOH
HOH
420
A
WAT
424
4
HOH
HOH
424
A
WAT
425
4
HOH
HOH
425
A
WAT
426
4
HOH
HOH
426
A
WAT
430
4
HOH
HOH
430
A
WAT
434
4
HOH
HOH
434
A
WAT
435
4
HOH
HOH
435
A
WAT
436
4
HOH
HOH
436
A
WAT
437
4
HOH
HOH
437
A
WAT
438
4
HOH
HOH
438
A
WAT
440
4
HOH
HOH
440
A
WAT
441
4
HOH
HOH
441
A
WAT
442
4
HOH
HOH
442
A
WAT
445
4
HOH
HOH
445
A
WAT
446
4
HOH
HOH
446
A
WAT
447
4
HOH
HOH
447
A
WAT
457
4
HOH
HOH
457
A
WAT
459
4
HOH
HOH
459
A
WAT
462
4
HOH
HOH
462
A
WAT
464
4
HOH
HOH
464
A
WAT
465
4
HOH
HOH
465
A
WAT
466
4
HOH
HOH
466
A
WAT
467
4
HOH
HOH
467
A
WAT
468
4
HOH
HOH
468
A
WAT
470
4
HOH
HOH
470
A
WAT
472
4
HOH
HOH
472
A
WAT
473
4
HOH
HOH
473
A
WAT
475
4
HOH
HOH
475
A
WAT
476
4
HOH
HOH
476
A
WAT
481
4
HOH
HOH
481
A
WAT
482
4
HOH
HOH
482
A
WAT
484
4
HOH
HOH
484
A
WAT
485
4
HOH
HOH
485
A
WAT
490
4
HOH
HOH
490
A
WAT
492
4
HOH
HOH
492
A
WAT
497
4
HOH
HOH
497
A
WAT
500
4
HOH
HOH
500
A
WAT
505
4
HOH
HOH
505
A
WAT
401
4
HOH
HOH
401
B
WAT
403
4
HOH
HOH
403
B
WAT
406
4
HOH
HOH
406
B
WAT
407
4
HOH
HOH
407
B
WAT
408
4
HOH
HOH
408
B
WAT
412
4
HOH
HOH
412
B
WAT
413
4
HOH
HOH
413
B
WAT
415
4
HOH
HOH
415
B
WAT
418
4
HOH
HOH
418
B
WAT
419
4
HOH
HOH
419
B
WAT
421
4
HOH
HOH
421
B
WAT
422
4
HOH
HOH
422
B
WAT
423
4
HOH
HOH
423
B
WAT
427
4
HOH
HOH
427
B
WAT
428
4
HOH
HOH
428
B
WAT
429
4
HOH
HOH
429
B
WAT
431
4
HOH
HOH
431
B
WAT
432
4
HOH
HOH
432
B
WAT
433
4
HOH
HOH
433
B
WAT
439
4
HOH
HOH
439
B
WAT
443
4
HOH
HOH
443
B
WAT
444
4
HOH
HOH
444
B
WAT
448
4
HOH
HOH
448
B
WAT
449
4
HOH
HOH
449
B
WAT
450
4
HOH
HOH
450
B
WAT
451
4
HOH
HOH
451
B
WAT
452
4
HOH
HOH
452
B
WAT
453
4
HOH
HOH
453
B
WAT
454
4
HOH
HOH
454
B
WAT
455
4
HOH
HOH
455
B
WAT
456
4
HOH
HOH
456
B
WAT
458
4
HOH
HOH
458
B
WAT
460
4
HOH
HOH
460
B
WAT
461
4
HOH
HOH
461
B
WAT
463
4
HOH
HOH
463
B
WAT
469
4
HOH
HOH
469
B
WAT
471
4
HOH
HOH
471
B
WAT
474
4
HOH
HOH
474
B
WAT
477
4
HOH
HOH
477
B
WAT
478
4
HOH
HOH
478
B
WAT
479
4
HOH
HOH
479
B
WAT
480
4
HOH
HOH
480
B
WAT
483
4
HOH
HOH
483
B
WAT
486
4
HOH
HOH
486
B
WAT
487
4
HOH
HOH
487
B
WAT
488
4
HOH
HOH
488
B
WAT
489
4
HOH
HOH
489
B
WAT
491
4
HOH
HOH
491
B
WAT
493
4
HOH
HOH
493
B
WAT
494
4
HOH
HOH
494
B
WAT
495
4
HOH
HOH
495
B
WAT
496
4
HOH
HOH
496
B
WAT
498
4
HOH
HOH
498
B
WAT
499
4
HOH
HOH
499
B
WAT
501
4
HOH
HOH
501
B
WAT
502
4
HOH
HOH
502
B
WAT
503
4
HOH
HOH
503
B
WAT
504
4
HOH
HOH
504
B
WAT
506
4
HOH
HOH
506
B
WAT
507
4
HOH
HOH
507
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
ALA
39
n
39
ALA
39
A
THR
40
n
40
THR
40
A
SER
41
n
41
SER
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
n
2
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
ALA
239
n
39
ALA
239
B
THR
240
n
40
THR
240
B
SER
241
n
41
SER
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
13540
-55
19210
A
ASN
17
GLYCOSYLATION SITE
A
ASN
17
ASN
B
ASN
217
GLYCOSYLATION SITE
B
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
79.8130000000
0.0000000000
A
N
TRP
10
A
N
TRP
10
A
O
MET
18
A
O
MET
18
A
N
ASN
17
A
N
ASN
17
A
O
THR
34
A
O
THR
34
A
N
TYR
33
A
N
TYR
33
A
O
SER
47
A
O
SER
47
A
N
HIS
50
A
N
HIS
50
A
O
THR
67
A
O
THR
67
A
N
VAL
68
A
N
VAL
68
A
O
THR
77
A
O
THR
77
A
N
THR
76
A
N
THR
76
A
O
ARG
100
A
O
ARG
100
A
N
TRP
97
A
N
TRP
97
A
O
GLY
116
A
O
GLY
116
A
O
THR
121
A
O
THR
121
A
N
THR
11
A
N
THR
11
B
N
TRP
210
B
N
TRP
10
B
O
MET
218
B
O
MET
18
B
N
ASN
217
B
N
ASN
17
B
O
THR
234
B
O
THR
34
B
N
TYR
233
B
N
TYR
33
B
O
SER
247
B
O
SER
47
B
N
THR
252
B
N
THR
52
B
O
GLY
265
B
O
GLY
65
B
N
VAL
268
B
N
VAL
68
B
O
THR
277
B
O
THR
77
B
N
THR
276
B
N
THR
76
B
O
ARG
300
B
O
ARG
100
B
N
LEU
299
B
N
LEU
99
B
O
ARG
314
B
O
ARG
114
B
O
THR
321
B
O
THR
121
B
N
THR
211
B
N
THR
11
1
A
ALA
1
A
ALA
1
1
Y
1
A
ARG
2
A
ARG
2
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
ARG
202
B
ARG
2
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
151
WRONG HAND
1
B
C1
NAG
352
WRONG HAND
1
B
B
O
O
ASP
HOH
309
401
2.17
1
16.59
2.30
115.30
131.89
A
A
A
CA
CB
CG
LEU
LEU
LEU
49
49
49
N
1
17.03
2.30
115.30
132.33
B
B
B
CA
CB
CG
LEU
LEU
LEU
249
249
249
N
1
B
LYS
258
38.15
46.93
1
B
ARG
259
-48.74
153.69
0.241
0.183
2.2
30.0
622
12323
11701
RANDOM
1
THROUGHOUT
1.0
MOLECULAR REPLACEMENT
Engh & Huber
2.2
30.0
107
2057
58
0
1892
2.2
30.0
1LDO
12800
-3.0
0.115
1
97.4
2.2
2.24
1
89.0
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
avidin, NORBIOTIN
avidin-norbioitn 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 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
2.396
A
CYS
4
A
SG
CYS
4
1_555
A
CYS
83
A
SG
CYS
83
1_555
disulf
2.142
B
CYS
204
B
SG
CYS
4
1_555
B
CYS
283
B
SG
CYS
83
1_555
covale
1.457
one
N-Glycosylation
A
ASN
17
A
ND2
ASN
17
1_555
A
NAG
151
C
C1
NAG
1_555
covale
1.454
one
N-Glycosylation
B
ASN
217
B
ND2
ASN
17
1_555
B
NAG
352
E
C1
NAG
1_555
UNKNOWN FUNCTION
avidin, streptavidin, biotin, high affinity systems, ligand exchange, UNKNOWN FUNCTION
AVID_CHICK
UNP
1
25
P02701
ARKCSLTGKWTNDLGSNMTIGAVNSRGEFTGTYITAVTATSNEIKESPLHGTENTINKRTQPTFGFTVNWKFSESTTVFT
GQCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLRTQKE
25
152
1LDO
1
128
P02701
A
1
1
128
25
152
1LDO
201
328
P02701
B
1
1
128
1
ILE
conflict
THR
34
1LDO
A
P02701
UNP
58
34
2
ILE
conflict
THR
234
1LDO
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
THR
34
A
THR
34
A
SER
47
A
SER
47
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
THR
234
B
THR
34
B
SER
247
B
SER
47
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