0.020833
0.000000
0.002669
0.000000
0.015083
0.000000
0.000000
0.000000
0.012250
0.00000
0.00000
0.00000
Freitag, S.
Chu, V.
Le Trong, I.
Klumb, L.A.
To, R.
Stayton, P.S.
Stenkamp, R.E.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
97.30
90.00
48.000
66.300
82.300
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
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
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
N
N
75
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
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
N
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
N
N
124
S
C
N
125
N
C
N
126
N
O
N
127
N
C
Y
128
N
C
Y
129
N
N
Y
130
N
C
Y
131
N
C
Y
132
N
N
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
O
N
145
N
H
N
146
N
H
N
147
N
N
N
148
S
C
N
149
N
C
N
150
N
O
N
151
S
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
N
N
170
S
C
N
171
N
C
N
172
N
O
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
C
N
177
N
O
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
N
N
192
S
C
N
193
N
C
N
194
N
O
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
N
N
200
N
O
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
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
N
N
217
S
C
N
218
N
C
N
219
N
O
N
220
N
C
Y
221
N
C
Y
222
N
C
Y
223
N
C
Y
224
N
C
Y
225
N
C
Y
226
N
C
N
227
N
O
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
N
N
240
S
C
N
241
N
C
N
242
N
O
N
243
N
C
N
244
N
C
N
245
N
C
N
246
N
O
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
N
H
N
256
N
N
N
257
S
C
N
258
N
C
N
259
N
O
N
260
N
C
N
261
N
O
N
262
N
O
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
N
N
271
S
C
N
272
N
C
N
273
N
O
N
274
R
C
N
275
N
O
N
276
N
C
N
277
N
O
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
N
N
288
S
C
N
289
N
C
N
290
N
O
N
291
N
C
Y
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
N
Y
296
N
C
Y
297
N
C
Y
298
N
C
Y
299
N
C
Y
300
N
C
N
301
N
O
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
N
N
315
S
C
N
316
N
C
N
317
N
O
N
318
N
C
Y
319
N
C
Y
320
N
C
Y
321
N
C
Y
322
N
C
Y
323
N
C
Y
324
N
C
N
325
N
O
N
326
N
O
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
N
N
339
S
C
N
340
N
C
N
341
N
O
N
342
N
C
N
343
N
C
N
344
N
C
N
345
N
O
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
doub
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
doub
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
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
sing
N
122
N
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
Y
127
N
sing
Y
128
N
doub
Y
129
N
doub
N
130
N
sing
Y
131
N
sing
N
132
N
sing
Y
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
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
sing
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
sing
N
164
N
sing
N
165
N
sing
N
166
N
doub
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
doub
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
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
doub
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
Y
216
N
doub
Y
217
N
sing
Y
218
N
sing
N
219
N
sing
Y
220
N
doub
N
221
N
sing
Y
222
N
doub
N
223
N
sing
Y
224
N
sing
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
doub
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
doub
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
doub
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
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
doub
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
Y
285
N
doub
Y
286
N
sing
Y
287
N
sing
N
288
N
sing
Y
289
N
doub
Y
290
N
sing
Y
291
N
sing
N
292
N
sing
Y
293
N
sing
Y
294
N
doub
N
295
N
sing
Y
296
N
doub
N
297
N
sing
Y
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
sing
N
307
N
sing
N
308
N
doub
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
Y
313
N
doub
Y
314
N
sing
Y
315
N
sing
N
316
N
sing
Y
317
N
doub
N
318
N
sing
Y
319
N
doub
N
320
N
sing
Y
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
doub
N
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
sing
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
96
8384
8389
10.1073/pnas.96.15.8384
10411884
A structural snapshot of an intermediate on the streptavidin-biotin dissociation pathway.
1999
10.2210/pdb1sws/pdb
pdb_00001sws
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
1996-11-13
RIGAKU RAXIS II
GRAPHITE CRYSTAL
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
13237.326
PROTEIN (STREPTAVIDIN)
D128A
4
man
polymer
18.015
water
178
nat
water
no
no
AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW
SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHATFTKVKPSAAS
AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW
SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHATFTKVKPSAAS
A,B,C,D
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Streptomyces
Escherichia
sample
T7 EXPRESSION SYSTEM (PET-210, NOVAGEN, INC., MADISON,WI. SYNTHETIC GENE)
1895
Streptomyces avidinii
562
Escherichia coli
1
2.29
49.85
4.5
50% MPD (2-METHYL-2,4-PENTANEDIOLE), PH 4.5.
database_2
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Data collection
Refinement description
1
0
1999-07-30
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-11-03
1
4
2023-08-23
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
BNL
Y
RCSB
1998-10-22
REL
REL
HOH
water
1SWC
PDB ENTRY 1SWC
PDB
experimental model
HOH
201
2
HOH
HOH
201
A
HOH
208
2
HOH
HOH
208
A
HOH
210
2
HOH
HOH
210
A
HOH
213
2
HOH
HOH
213
A
HOH
214
2
HOH
HOH
214
A
HOH
215
2
HOH
HOH
215
A
HOH
218
2
HOH
HOH
218
A
HOH
222
2
HOH
HOH
222
A
HOH
224
2
HOH
HOH
224
A
HOH
231
2
HOH
HOH
231
A
HOH
233
2
HOH
HOH
233
A
HOH
240
2
HOH
HOH
240
A
HOH
250
2
HOH
HOH
250
A
HOH
251
2
HOH
HOH
251
A
HOH
254
2
HOH
HOH
254
A
HOH
257
2
HOH
HOH
257
A
HOH
261
2
HOH
HOH
261
A
HOH
274
2
HOH
HOH
274
A
HOH
276
2
HOH
HOH
276
A
HOH
278
2
HOH
HOH
278
A
HOH
289
2
HOH
HOH
289
A
HOH
292
2
HOH
HOH
292
A
HOH
294
2
HOH
HOH
294
A
HOH
296
2
HOH
HOH
296
A
HOH
299
2
HOH
HOH
299
A
HOH
300
2
HOH
HOH
300
A
HOH
302
2
HOH
HOH
302
A
HOH
316
2
HOH
HOH
316
A
HOH
317
2
HOH
HOH
317
A
HOH
324
2
HOH
HOH
324
A
HOH
328
2
HOH
HOH
328
A
HOH
330
2
HOH
HOH
330
A
HOH
332
2
HOH
HOH
332
A
HOH
333
2
HOH
HOH
333
A
HOH
336
2
HOH
HOH
336
A
HOH
338
2
HOH
HOH
338
A
HOH
339
2
HOH
HOH
339
A
HOH
341
2
HOH
HOH
341
A
HOH
344
2
HOH
HOH
344
A
HOH
346
2
HOH
HOH
346
A
HOH
349
2
HOH
HOH
349
A
HOH
356
2
HOH
HOH
356
A
HOH
358
2
HOH
HOH
358
A
HOH
360
2
HOH
HOH
360
A
HOH
372
2
HOH
HOH
372
A
HOH
373
2
HOH
HOH
373
A
HOH
202
2
HOH
HOH
202
B
HOH
204
2
HOH
HOH
204
B
HOH
205
2
HOH
HOH
205
B
HOH
207
2
HOH
HOH
207
B
HOH
212
2
HOH
HOH
212
B
HOH
216
2
HOH
HOH
216
B
HOH
225
2
HOH
HOH
225
B
HOH
227
2
HOH
HOH
227
B
HOH
229
2
HOH
HOH
229
B
HOH
234
2
HOH
HOH
234
B
HOH
238
2
HOH
HOH
238
B
HOH
242
2
HOH
HOH
242
B
HOH
246
2
HOH
HOH
246
B
HOH
253
2
HOH
HOH
253
B
HOH
255
2
HOH
HOH
255
B
HOH
259
2
HOH
HOH
259
B
HOH
262
2
HOH
HOH
262
B
HOH
263
2
HOH
HOH
263
B
HOH
264
2
HOH
HOH
264
B
HOH
269
2
HOH
HOH
269
B
HOH
270
2
HOH
HOH
270
B
HOH
271
2
HOH
HOH
271
B
HOH
279
2
HOH
HOH
279
B
HOH
282
2
HOH
HOH
282
B
HOH
283
2
HOH
HOH
283
B
HOH
288
2
HOH
HOH
288
B
HOH
295
2
HOH
HOH
295
B
HOH
304
2
HOH
HOH
304
B
HOH
309
2
HOH
HOH
309
B
HOH
310
2
HOH
HOH
310
B
HOH
312
2
HOH
HOH
312
B
HOH
313
2
HOH
HOH
313
B
HOH
315
2
HOH
HOH
315
B
HOH
318
2
HOH
HOH
318
B
HOH
319
2
HOH
HOH
319
B
HOH
321
2
HOH
HOH
321
B
HOH
322
2
HOH
HOH
322
B
HOH
323
2
HOH
HOH
323
B
HOH
325
2
HOH
HOH
325
B
HOH
326
2
HOH
HOH
326
B
HOH
331
2
HOH
HOH
331
B
HOH
340
2
HOH
HOH
340
B
HOH
348
2
HOH
HOH
348
B
HOH
357
2
HOH
HOH
357
B
HOH
362
2
HOH
HOH
362
B
HOH
364
2
HOH
HOH
364
B
HOH
365
2
HOH
HOH
365
B
HOH
366
2
HOH
HOH
366
B
HOH
368
2
HOH
HOH
368
B
HOH
370
2
HOH
HOH
370
B
HOH
376
2
HOH
HOH
376
B
HOH
377
2
HOH
HOH
377
B
HOH
206
2
HOH
HOH
206
C
HOH
209
2
HOH
HOH
209
C
HOH
211
2
HOH
HOH
211
C
HOH
217
2
HOH
HOH
217
C
HOH
221
2
HOH
HOH
221
C
HOH
236
2
HOH
HOH
236
C
HOH
241
2
HOH
HOH
241
C
HOH
265
2
HOH
HOH
265
C
HOH
266
2
HOH
HOH
266
C
HOH
273
2
HOH
HOH
273
C
HOH
275
2
HOH
HOH
275
C
HOH
277
2
HOH
HOH
277
C
HOH
280
2
HOH
HOH
280
C
HOH
286
2
HOH
HOH
286
C
HOH
290
2
HOH
HOH
290
C
HOH
291
2
HOH
HOH
291
C
HOH
303
2
HOH
HOH
303
C
HOH
305
2
HOH
HOH
305
C
HOH
307
2
HOH
HOH
307
C
HOH
308
2
HOH
HOH
308
C
HOH
311
2
HOH
HOH
311
C
HOH
320
2
HOH
HOH
320
C
HOH
329
2
HOH
HOH
329
C
HOH
342
2
HOH
HOH
342
C
HOH
347
2
HOH
HOH
347
C
HOH
350
2
HOH
HOH
350
C
HOH
353
2
HOH
HOH
353
C
HOH
354
2
HOH
HOH
354
C
HOH
361
2
HOH
HOH
361
C
HOH
363
2
HOH
HOH
363
C
HOH
367
2
HOH
HOH
367
C
HOH
369
2
HOH
HOH
369
C
HOH
375
2
HOH
HOH
375
C
HOH
378
2
HOH
HOH
378
C
HOH
203
2
HOH
HOH
203
D
HOH
219
2
HOH
HOH
219
D
HOH
220
2
HOH
HOH
220
D
HOH
223
2
HOH
HOH
223
D
HOH
226
2
HOH
HOH
226
D
HOH
228
2
HOH
HOH
228
D
HOH
230
2
HOH
HOH
230
D
HOH
232
2
HOH
HOH
232
D
HOH
235
2
HOH
HOH
235
D
HOH
237
2
HOH
HOH
237
D
HOH
239
2
HOH
HOH
239
D
HOH
243
2
HOH
HOH
243
D
HOH
244
2
HOH
HOH
244
D
HOH
245
2
HOH
HOH
245
D
HOH
247
2
HOH
HOH
247
D
HOH
248
2
HOH
HOH
248
D
HOH
249
2
HOH
HOH
249
D
HOH
252
2
HOH
HOH
252
D
HOH
256
2
HOH
HOH
256
D
HOH
258
2
HOH
HOH
258
D
HOH
260
2
HOH
HOH
260
D
HOH
267
2
HOH
HOH
267
D
HOH
268
2
HOH
HOH
268
D
HOH
272
2
HOH
HOH
272
D
HOH
281
2
HOH
HOH
281
D
HOH
284
2
HOH
HOH
284
D
HOH
285
2
HOH
HOH
285
D
HOH
287
2
HOH
HOH
287
D
HOH
293
2
HOH
HOH
293
D
HOH
297
2
HOH
HOH
297
D
HOH
298
2
HOH
HOH
298
D
HOH
301
2
HOH
HOH
301
D
HOH
306
2
HOH
HOH
306
D
HOH
314
2
HOH
HOH
314
D
HOH
327
2
HOH
HOH
327
D
HOH
334
2
HOH
HOH
334
D
HOH
335
2
HOH
HOH
335
D
HOH
337
2
HOH
HOH
337
D
HOH
343
2
HOH
HOH
343
D
HOH
345
2
HOH
HOH
345
D
HOH
351
2
HOH
HOH
351
D
HOH
352
2
HOH
HOH
352
D
HOH
355
2
HOH
HOH
355
D
HOH
359
2
HOH
HOH
359
D
HOH
371
2
HOH
HOH
371
D
HOH
374
2
HOH
HOH
374
D
n
1
13
A
n
2
14
A
n
3
15
A
GLY
16
n
4
GLY
16
A
ILE
17
n
5
ILE
17
A
THR
18
n
6
THR
18
A
GLY
19
n
7
GLY
19
A
THR
20
n
8
THR
20
A
TRP
21
n
9
TRP
21
A
TYR
22
n
10
TYR
22
A
ASN
23
n
11
ASN
23
A
GLN
24
n
12
GLN
24
A
LEU
25
n
13
LEU
25
A
GLY
26
n
14
GLY
26
A
SER
27
n
15
SER
27
A
THR
28
n
16
THR
28
A
PHE
29
n
17
PHE
29
A
ILE
30
n
18
ILE
30
A
VAL
31
n
19
VAL
31
A
THR
32
n
20
THR
32
A
ALA
33
n
21
ALA
33
A
GLY
34
n
22
GLY
34
A
ALA
35
n
23
ALA
35
A
ASP
36
n
24
ASP
36
A
GLY
37
n
25
GLY
37
A
ALA
38
n
26
ALA
38
A
LEU
39
n
27
LEU
39
A
THR
40
n
28
THR
40
A
GLY
41
n
29
GLY
41
A
THR
42
n
30
THR
42
A
TYR
43
n
31
TYR
43
A
GLU
44
n
32
GLU
44
A
n
33
45
A
n
34
46
A
n
35
47
A
GLY
48
n
36
GLY
48
A
ASN
49
n
37
ASN
49
A
ALA
50
n
38
ALA
50
A
GLU
51
n
39
GLU
51
A
SER
52
n
40
SER
52
A
ARG
53
n
41
ARG
53
A
TYR
54
n
42
TYR
54
A
VAL
55
n
43
VAL
55
A
LEU
56
n
44
LEU
56
A
THR
57
n
45
THR
57
A
GLY
58
n
46
GLY
58
A
ARG
59
n
47
ARG
59
A
TYR
60
n
48
TYR
60
A
ASP
61
n
49
ASP
61
A
SER
62
n
50
SER
62
A
ALA
63
n
51
ALA
63
A
PRO
64
n
52
PRO
64
A
ALA
65
n
53
ALA
65
A
THR
66
n
54
THR
66
A
ASP
67
n
55
ASP
67
A
GLY
68
n
56
GLY
68
A
SER
69
n
57
SER
69
A
GLY
70
n
58
GLY
70
A
THR
71
n
59
THR
71
A
ALA
72
n
60
ALA
72
A
LEU
73
n
61
LEU
73
A
GLY
74
n
62
GLY
74
A
TRP
75
n
63
TRP
75
A
THR
76
n
64
THR
76
A
VAL
77
n
65
VAL
77
A
ALA
78
n
66
ALA
78
A
TRP
79
n
67
TRP
79
A
LYS
80
n
68
LYS
80
A
ASN
81
n
69
ASN
81
A
ASN
82
n
70
ASN
82
A
TYR
83
n
71
TYR
83
A
ARG
84
n
72
ARG
84
A
ASN
85
n
73
ASN
85
A
ALA
86
n
74
ALA
86
A
HIS
87
n
75
HIS
87
A
SER
88
n
76
SER
88
A
ALA
89
n
77
ALA
89
A
THR
90
n
78
THR
90
A
THR
91
n
79
THR
91
A
TRP
92
n
80
TRP
92
A
SER
93
n
81
SER
93
A
GLY
94
n
82
GLY
94
A
GLN
95
n
83
GLN
95
A
TYR
96
n
84
TYR
96
A
VAL
97
n
85
VAL
97
A
GLY
98
n
86
GLY
98
A
GLY
99
n
87
GLY
99
A
ALA
100
n
88
ALA
100
A
GLU
101
n
89
GLU
101
A
ALA
102
n
90
ALA
102
A
ARG
103
n
91
ARG
103
A
ILE
104
n
92
ILE
104
A
ASN
105
n
93
ASN
105
A
THR
106
n
94
THR
106
A
GLN
107
n
95
GLN
107
A
TRP
108
n
96
TRP
108
A
LEU
109
n
97
LEU
109
A
LEU
110
n
98
LEU
110
A
THR
111
n
99
THR
111
A
SER
112
n
100
SER
112
A
GLY
113
n
101
GLY
113
A
THR
114
n
102
THR
114
A
THR
115
n
103
THR
115
A
GLU
116
n
104
GLU
116
A
ALA
117
n
105
ALA
117
A
ASN
118
n
106
ASN
118
A
ALA
119
n
107
ALA
119
A
TRP
120
n
108
TRP
120
A
LYS
121
n
109
LYS
121
A
SER
122
n
110
SER
122
A
THR
123
n
111
THR
123
A
LEU
124
n
112
LEU
124
A
VAL
125
n
113
VAL
125
A
GLY
126
n
114
GLY
126
A
HIS
127
n
115
HIS
127
A
ALA
128
n
116
ALA
128
A
THR
129
n
117
THR
129
A
PHE
130
n
118
PHE
130
A
THR
131
n
119
THR
131
A
LYS
132
n
120
LYS
132
A
n
121
133
A
n
122
134
A
n
123
135
A
n
124
136
A
n
125
137
A
n
126
138
A
n
127
139
A
n
1
13
B
n
2
14
B
n
3
15
B
GLY
16
n
4
GLY
16
B
ILE
17
n
5
ILE
17
B
THR
18
n
6
THR
18
B
GLY
19
n
7
GLY
19
B
THR
20
n
8
THR
20
B
TRP
21
n
9
TRP
21
B
TYR
22
n
10
TYR
22
B
ASN
23
n
11
ASN
23
B
GLN
24
n
12
GLN
24
B
LEU
25
n
13
LEU
25
B
GLY
26
n
14
GLY
26
B
SER
27
n
15
SER
27
B
THR
28
n
16
THR
28
B
PHE
29
n
17
PHE
29
B
ILE
30
n
18
ILE
30
B
VAL
31
n
19
VAL
31
B
THR
32
n
20
THR
32
B
ALA
33
n
21
ALA
33
B
GLY
34
n
22
GLY
34
B
ALA
35
n
23
ALA
35
B
ASP
36
n
24
ASP
36
B
GLY
37
n
25
GLY
37
B
ALA
38
n
26
ALA
38
B
LEU
39
n
27
LEU
39
B
THR
40
n
28
THR
40
B
GLY
41
n
29
GLY
41
B
THR
42
n
30
THR
42
B
TYR
43
n
31
TYR
43
B
GLU
44
n
32
GLU
44
B
SER
45
n
33
SER
45
B
ALA
46
n
34
ALA
46
B
VAL
47
n
35
VAL
47
B
GLY
48
n
36
GLY
48
B
ASN
49
n
37
ASN
49
B
ALA
50
n
38
ALA
50
B
GLU
51
n
39
GLU
51
B
SER
52
n
40
SER
52
B
ARG
53
n
41
ARG
53
B
TYR
54
n
42
TYR
54
B
VAL
55
n
43
VAL
55
B
LEU
56
n
44
LEU
56
B
THR
57
n
45
THR
57
B
GLY
58
n
46
GLY
58
B
ARG
59
n
47
ARG
59
B
TYR
60
n
48
TYR
60
B
ASP
61
n
49
ASP
61
B
SER
62
n
50
SER
62
B
ALA
63
n
51
ALA
63
B
PRO
64
n
52
PRO
64
B
ALA
65
n
53
ALA
65
B
THR
66
n
54
THR
66
B
ASP
67
n
55
ASP
67
B
GLY
68
n
56
GLY
68
B
SER
69
n
57
SER
69
B
GLY
70
n
58
GLY
70
B
THR
71
n
59
THR
71
B
ALA
72
n
60
ALA
72
B
LEU
73
n
61
LEU
73
B
GLY
74
n
62
GLY
74
B
TRP
75
n
63
TRP
75
B
THR
76
n
64
THR
76
B
VAL
77
n
65
VAL
77
B
ALA
78
n
66
ALA
78
B
TRP
79
n
67
TRP
79
B
LYS
80
n
68
LYS
80
B
ASN
81
n
69
ASN
81
B
ASN
82
n
70
ASN
82
B
TYR
83
n
71
TYR
83
B
ARG
84
n
72
ARG
84
B
ASN
85
n
73
ASN
85
B
ALA
86
n
74
ALA
86
B
HIS
87
n
75
HIS
87
B
SER
88
n
76
SER
88
B
ALA
89
n
77
ALA
89
B
THR
90
n
78
THR
90
B
THR
91
n
79
THR
91
B
TRP
92
n
80
TRP
92
B
SER
93
n
81
SER
93
B
GLY
94
n
82
GLY
94
B
GLN
95
n
83
GLN
95
B
TYR
96
n
84
TYR
96
B
VAL
97
n
85
VAL
97
B
GLY
98
n
86
GLY
98
B
GLY
99
n
87
GLY
99
B
ALA
100
n
88
ALA
100
B
GLU
101
n
89
GLU
101
B
ALA
102
n
90
ALA
102
B
ARG
103
n
91
ARG
103
B
ILE
104
n
92
ILE
104
B
ASN
105
n
93
ASN
105
B
THR
106
n
94
THR
106
B
GLN
107
n
95
GLN
107
B
TRP
108
n
96
TRP
108
B
LEU
109
n
97
LEU
109
B
LEU
110
n
98
LEU
110
B
THR
111
n
99
THR
111
B
SER
112
n
100
SER
112
B
GLY
113
n
101
GLY
113
B
THR
114
n
102
THR
114
B
THR
115
n
103
THR
115
B
GLU
116
n
104
GLU
116
B
ALA
117
n
105
ALA
117
B
ASN
118
n
106
ASN
118
B
ALA
119
n
107
ALA
119
B
TRP
120
n
108
TRP
120
B
LYS
121
n
109
LYS
121
B
SER
122
n
110
SER
122
B
THR
123
n
111
THR
123
B
LEU
124
n
112
LEU
124
B
VAL
125
n
113
VAL
125
B
GLY
126
n
114
GLY
126
B
HIS
127
n
115
HIS
127
B
ALA
128
n
116
ALA
128
B
THR
129
n
117
THR
129
B
PHE
130
n
118
PHE
130
B
THR
131
n
119
THR
131
B
LYS
132
n
120
LYS
132
B
n
121
133
B
n
122
134
B
n
123
135
B
n
124
136
B
n
125
137
B
n
126
138
B
n
127
139
B
n
1
13
C
n
2
14
C
n
3
15
C
GLY
16
n
4
GLY
16
C
ILE
17
n
5
ILE
17
C
THR
18
n
6
THR
18
C
GLY
19
n
7
GLY
19
C
THR
20
n
8
THR
20
C
TRP
21
n
9
TRP
21
C
TYR
22
n
10
TYR
22
C
ASN
23
n
11
ASN
23
C
GLN
24
n
12
GLN
24
C
LEU
25
n
13
LEU
25
C
GLY
26
n
14
GLY
26
C
SER
27
n
15
SER
27
C
THR
28
n
16
THR
28
C
PHE
29
n
17
PHE
29
C
ILE
30
n
18
ILE
30
C
VAL
31
n
19
VAL
31
C
THR
32
n
20
THR
32
C
ALA
33
n
21
ALA
33
C
GLY
34
n
22
GLY
34
C
ALA
35
n
23
ALA
35
C
ASP
36
n
24
ASP
36
C
GLY
37
n
25
GLY
37
C
ALA
38
n
26
ALA
38
C
LEU
39
n
27
LEU
39
C
THR
40
n
28
THR
40
C
GLY
41
n
29
GLY
41
C
THR
42
n
30
THR
42
C
TYR
43
n
31
TYR
43
C
GLU
44
n
32
GLU
44
C
SER
45
n
33
SER
45
C
ALA
46
n
34
ALA
46
C
n
35
47
C
n
36
48
C
n
37
49
C
n
38
50
C
GLU
51
n
39
GLU
51
C
SER
52
n
40
SER
52
C
ARG
53
n
41
ARG
53
C
TYR
54
n
42
TYR
54
C
VAL
55
n
43
VAL
55
C
LEU
56
n
44
LEU
56
C
THR
57
n
45
THR
57
C
GLY
58
n
46
GLY
58
C
ARG
59
n
47
ARG
59
C
TYR
60
n
48
TYR
60
C
ASP
61
n
49
ASP
61
C
SER
62
n
50
SER
62
C
ALA
63
n
51
ALA
63
C
PRO
64
n
52
PRO
64
C
ALA
65
n
53
ALA
65
C
THR
66
n
54
THR
66
C
ASP
67
n
55
ASP
67
C
GLY
68
n
56
GLY
68
C
SER
69
n
57
SER
69
C
GLY
70
n
58
GLY
70
C
THR
71
n
59
THR
71
C
ALA
72
n
60
ALA
72
C
LEU
73
n
61
LEU
73
C
GLY
74
n
62
GLY
74
C
TRP
75
n
63
TRP
75
C
THR
76
n
64
THR
76
C
VAL
77
n
65
VAL
77
C
ALA
78
n
66
ALA
78
C
TRP
79
n
67
TRP
79
C
LYS
80
n
68
LYS
80
C
ASN
81
n
69
ASN
81
C
ASN
82
n
70
ASN
82
C
TYR
83
n
71
TYR
83
C
ARG
84
n
72
ARG
84
C
ASN
85
n
73
ASN
85
C
ALA
86
n
74
ALA
86
C
HIS
87
n
75
HIS
87
C
SER
88
n
76
SER
88
C
ALA
89
n
77
ALA
89
C
THR
90
n
78
THR
90
C
THR
91
n
79
THR
91
C
TRP
92
n
80
TRP
92
C
SER
93
n
81
SER
93
C
GLY
94
n
82
GLY
94
C
GLN
95
n
83
GLN
95
C
TYR
96
n
84
TYR
96
C
VAL
97
n
85
VAL
97
C
GLY
98
n
86
GLY
98
C
GLY
99
n
87
GLY
99
C
ALA
100
n
88
ALA
100
C
GLU
101
n
89
GLU
101
C
ALA
102
n
90
ALA
102
C
ARG
103
n
91
ARG
103
C
ILE
104
n
92
ILE
104
C
ASN
105
n
93
ASN
105
C
THR
106
n
94
THR
106
C
GLN
107
n
95
GLN
107
C
TRP
108
n
96
TRP
108
C
LEU
109
n
97
LEU
109
C
LEU
110
n
98
LEU
110
C
THR
111
n
99
THR
111
C
SER
112
n
100
SER
112
C
GLY
113
n
101
GLY
113
C
THR
114
n
102
THR
114
C
THR
115
n
103
THR
115
C
GLU
116
n
104
GLU
116
C
ALA
117
n
105
ALA
117
C
ASN
118
n
106
ASN
118
C
ALA
119
n
107
ALA
119
C
TRP
120
n
108
TRP
120
C
LYS
121
n
109
LYS
121
C
SER
122
n
110
SER
122
C
THR
123
n
111
THR
123
C
LEU
124
n
112
LEU
124
C
VAL
125
n
113
VAL
125
C
GLY
126
n
114
GLY
126
C
HIS
127
n
115
HIS
127
C
ALA
128
n
116
ALA
128
C
THR
129
n
117
THR
129
C
PHE
130
n
118
PHE
130
C
THR
131
n
119
THR
131
C
LYS
132
n
120
LYS
132
C
n
121
133
C
n
122
134
C
n
123
135
C
n
124
136
C
n
125
137
C
n
126
138
C
n
127
139
C
n
1
13
D
n
2
14
D
n
3
15
D
GLY
16
n
4
GLY
16
D
ILE
17
n
5
ILE
17
D
THR
18
n
6
THR
18
D
GLY
19
n
7
GLY
19
D
THR
20
n
8
THR
20
D
TRP
21
n
9
TRP
21
D
TYR
22
n
10
TYR
22
D
ASN
23
n
11
ASN
23
D
GLN
24
n
12
GLN
24
D
LEU
25
n
13
LEU
25
D
GLY
26
n
14
GLY
26
D
SER
27
n
15
SER
27
D
THR
28
n
16
THR
28
D
PHE
29
n
17
PHE
29
D
ILE
30
n
18
ILE
30
D
VAL
31
n
19
VAL
31
D
THR
32
n
20
THR
32
D
ALA
33
n
21
ALA
33
D
GLY
34
n
22
GLY
34
D
ALA
35
n
23
ALA
35
D
ASP
36
n
24
ASP
36
D
GLY
37
n
25
GLY
37
D
ALA
38
n
26
ALA
38
D
LEU
39
n
27
LEU
39
D
THR
40
n
28
THR
40
D
GLY
41
n
29
GLY
41
D
THR
42
n
30
THR
42
D
TYR
43
n
31
TYR
43
D
GLU
44
n
32
GLU
44
D
n
33
45
D
n
34
46
D
n
35
47
D
n
36
48
D
n
37
49
D
ALA
50
n
38
ALA
50
D
GLU
51
n
39
GLU
51
D
SER
52
n
40
SER
52
D
ARG
53
n
41
ARG
53
D
TYR
54
n
42
TYR
54
D
VAL
55
n
43
VAL
55
D
LEU
56
n
44
LEU
56
D
THR
57
n
45
THR
57
D
GLY
58
n
46
GLY
58
D
ARG
59
n
47
ARG
59
D
TYR
60
n
48
TYR
60
D
ASP
61
n
49
ASP
61
D
SER
62
n
50
SER
62
D
ALA
63
n
51
ALA
63
D
PRO
64
n
52
PRO
64
D
ALA
65
n
53
ALA
65
D
THR
66
n
54
THR
66
D
ASP
67
n
55
ASP
67
D
GLY
68
n
56
GLY
68
D
SER
69
n
57
SER
69
D
GLY
70
n
58
GLY
70
D
THR
71
n
59
THR
71
D
ALA
72
n
60
ALA
72
D
LEU
73
n
61
LEU
73
D
GLY
74
n
62
GLY
74
D
TRP
75
n
63
TRP
75
D
THR
76
n
64
THR
76
D
VAL
77
n
65
VAL
77
D
ALA
78
n
66
ALA
78
D
TRP
79
n
67
TRP
79
D
LYS
80
n
68
LYS
80
D
ASN
81
n
69
ASN
81
D
ASN
82
n
70
ASN
82
D
TYR
83
n
71
TYR
83
D
ARG
84
n
72
ARG
84
D
ASN
85
n
73
ASN
85
D
ALA
86
n
74
ALA
86
D
HIS
87
n
75
HIS
87
D
SER
88
n
76
SER
88
D
ALA
89
n
77
ALA
89
D
THR
90
n
78
THR
90
D
THR
91
n
79
THR
91
D
TRP
92
n
80
TRP
92
D
SER
93
n
81
SER
93
D
GLY
94
n
82
GLY
94
D
GLN
95
n
83
GLN
95
D
TYR
96
n
84
TYR
96
D
VAL
97
n
85
VAL
97
D
GLY
98
n
86
GLY
98
D
GLY
99
n
87
GLY
99
D
ALA
100
n
88
ALA
100
D
GLU
101
n
89
GLU
101
D
ALA
102
n
90
ALA
102
D
ARG
103
n
91
ARG
103
D
ILE
104
n
92
ILE
104
D
ASN
105
n
93
ASN
105
D
THR
106
n
94
THR
106
D
GLN
107
n
95
GLN
107
D
TRP
108
n
96
TRP
108
D
LEU
109
n
97
LEU
109
D
LEU
110
n
98
LEU
110
D
THR
111
n
99
THR
111
D
SER
112
n
100
SER
112
D
GLY
113
n
101
GLY
113
D
THR
114
n
102
THR
114
D
THR
115
n
103
THR
115
D
GLU
116
n
104
GLU
116
D
ALA
117
n
105
ALA
117
D
ASN
118
n
106
ASN
118
D
ALA
119
n
107
ALA
119
D
TRP
120
n
108
TRP
120
D
LYS
121
n
109
LYS
121
D
SER
122
n
110
SER
122
D
THR
123
n
111
THR
123
D
LEU
124
n
112
LEU
124
D
VAL
125
n
113
VAL
125
D
GLY
126
n
114
GLY
126
D
HIS
127
n
115
HIS
127
D
ALA
128
n
116
ALA
128
D
THR
129
n
117
THR
129
D
PHE
130
n
118
PHE
130
D
THR
131
n
119
THR
131
D
LYS
132
n
120
LYS
132
D
n
121
133
D
n
122
134
D
n
123
135
D
n
124
136
D
n
125
137
D
n
126
138
D
n
127
139
D
0.1670000
0.1910000
0.1620000
0.1850000
0.2430000
0.2720000
2618
3197
10
10.0
26445
author_and_software_defined_assembly
PISA
4
tetrameric
8390
-52
19390
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
O
GLY
19
A
O
GLY
7
A
N
VAL
31
A
N
VAL
19
A
O
ILE
30
A
O
ILE
18
A
N
THR
42
A
N
THR
30
A
O
LEU
39
A
O
LEU
27
A
N
GLY
58
A
N
GLY
46
A
O
THR
57
A
O
THR
45
A
N
THR
76
A
N
THR
64
A
O
THR
71
A
O
THR
59
A
N
TYR
96
A
N
TYR
84
A
O
ALA
89
A
O
ALA
77
A
N
THR
111
A
N
THR
99
A
O
ILE
104
A
O
ILE
92
A
N
PHE
130
A
N
PHE
118
B
O
GLY
19
B
O
GLY
7
B
N
VAL
31
B
N
VAL
19
B
O
THR
28
B
O
THR
16
B
N
GLU
44
B
N
GLU
32
B
O
LEU
39
B
O
LEU
27
B
N
GLY
58
B
N
GLY
46
B
O
THR
57
B
O
THR
45
B
N
THR
76
B
N
THR
64
B
O
THR
71
B
O
THR
59
B
N
TYR
96
B
N
TYR
84
B
O
ALA
89
B
O
ALA
77
B
N
THR
111
B
N
THR
99
B
O
ILE
104
B
O
ILE
92
B
N
PHE
130
B
N
PHE
118
C
O
GLY
19
C
O
GLY
7
C
N
VAL
31
C
N
VAL
19
C
O
THR
28
C
O
THR
16
C
N
GLU
44
C
N
GLU
32
C
O
LEU
39
C
O
LEU
27
C
N
GLY
58
C
N
GLY
46
C
O
THR
57
C
O
THR
45
C
N
THR
76
C
N
THR
64
C
O
THR
71
C
O
THR
59
C
N
TYR
96
C
N
TYR
84
C
O
ALA
89
C
O
ALA
77
C
N
THR
111
C
N
THR
99
C
O
ILE
104
C
O
ILE
92
C
N
PHE
130
C
N
PHE
118
D
O
GLY
19
D
O
GLY
7
D
N
VAL
31
D
N
VAL
19
D
O
THR
28
D
O
THR
16
D
N
GLU
44
D
N
GLU
32
D
O
LEU
39
D
O
LEU
27
D
N
GLY
58
D
N
GLY
46
D
O
THR
57
D
O
THR
45
D
N
THR
76
D
N
THR
64
D
O
THR
71
D
O
THR
59
D
N
TYR
96
D
N
TYR
84
D
O
ALA
89
D
O
ALA
77
D
N
THR
111
D
N
THR
99
D
O
ILE
104
D
O
ILE
92
D
N
PHE
130
D
N
PHE
118
1
A
ALA
13
A
ALA
1
1
Y
1
A
GLU
14
A
GLU
2
1
Y
1
A
ALA
15
A
ALA
3
1
Y
1
A
SER
45
A
SER
33
1
Y
1
A
ALA
46
A
ALA
34
1
Y
1
A
VAL
47
A
VAL
35
1
Y
1
A
VAL
133
A
VAL
121
1
Y
1
A
LYS
134
A
LYS
122
1
Y
1
A
PRO
135
A
PRO
123
1
Y
1
A
SER
136
A
SER
124
1
Y
1
A
ALA
137
A
ALA
125
1
Y
1
A
ALA
138
A
ALA
126
1
Y
1
A
SER
139
A
SER
127
1
Y
1
B
ALA
13
B
ALA
1
1
Y
1
B
GLU
14
B
GLU
2
1
Y
1
B
ALA
15
B
ALA
3
1
Y
1
B
VAL
133
B
VAL
121
1
Y
1
B
LYS
134
B
LYS
122
1
Y
1
B
PRO
135
B
PRO
123
1
Y
1
B
SER
136
B
SER
124
1
Y
1
B
ALA
137
B
ALA
125
1
Y
1
B
ALA
138
B
ALA
126
1
Y
1
B
SER
139
B
SER
127
1
Y
1
C
ALA
13
C
ALA
1
1
Y
1
C
GLU
14
C
GLU
2
1
Y
1
C
ALA
15
C
ALA
3
1
Y
1
C
VAL
47
C
VAL
35
1
Y
1
C
GLY
48
C
GLY
36
1
Y
1
C
ASN
49
C
ASN
37
1
Y
1
C
ALA
50
C
ALA
38
1
Y
1
C
VAL
133
C
VAL
121
1
Y
1
C
LYS
134
C
LYS
122
1
Y
1
C
PRO
135
C
PRO
123
1
Y
1
C
SER
136
C
SER
124
1
Y
1
C
ALA
137
C
ALA
125
1
Y
1
C
ALA
138
C
ALA
126
1
Y
1
C
SER
139
C
SER
127
1
Y
1
D
ALA
13
D
ALA
1
1
Y
1
D
GLU
14
D
GLU
2
1
Y
1
D
ALA
15
D
ALA
3
1
Y
1
D
SER
45
D
SER
33
1
Y
1
D
ALA
46
D
ALA
34
1
Y
1
D
VAL
47
D
VAL
35
1
Y
1
D
GLY
48
D
GLY
36
1
Y
1
D
ASN
49
D
ASN
37
1
Y
1
D
VAL
133
D
VAL
121
1
Y
1
D
LYS
134
D
LYS
122
1
Y
1
D
PRO
135
D
PRO
123
1
Y
1
D
SER
136
D
SER
124
1
Y
1
D
ALA
137
D
ALA
125
1
Y
1
D
ALA
138
D
ALA
126
1
Y
1
D
SER
139
D
SER
127
1
Y
1
16.38
2.30
115.30
131.68
B
B
B
CA
CB
CG
LEU
LEU
LEU
56
56
56
N
1
26.44
2.50
121.70
148.14
B
B
B
C
N
CA
GLY
THR
THR
113
114
114
Y
1
A
THR
66
-110.31
60.56
1
A
GLU
101
-111.47
61.70
1
C
GLN
24
-27.29
-59.84
1
D
GLU
101
-100.49
56.28
0.2720000
0.1910000
0.1850000
2.0
10.00
14379
3197
31972
14409
10.0
85
EVERY 10TH REFLECTION
1
RFREE
0.0
MOLECULAR REPLACEMENT
PDB ENTRY 1SWC
ENGH AND HUBER
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973) 201-228
0
3230.0
3594.0
2.0
10.00
178
3594
0
0
3416
0.006
0.024
0.000
0.019
0.107
0.056
0.014
0.000
0.088
0.000
2.0
50
1SWS
30500
1
0.0300000
1
15
2.5
85
2.0
2.1
2.0
46
phasing
SHELXS
refinement
SHELXL-97
CORE-STREPTAVIDIN MUTANT D128A AT PH 4.5
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
A
ALA
50
A
ALA
38
HELX_P
A
SER
52
A
SER
40
5
1
3
A
GLU
116
A
GLU
104
HELX_P
A
LYS
121
A
LYS
109
5
2
6
B
ALA
50
B
ALA
38
HELX_P
B
SER
52
B
SER
40
5
3
3
B
GLU
116
B
GLU
104
HELX_P
B
LYS
121
B
LYS
109
5
4
6
C
GLU
116
C
GLU
104
HELX_P
C
LYS
121
C
LYS
109
5
5
6
D
GLU
116
D
GLU
104
HELX_P
D
LYS
121
D
LYS
109
5
6
6
BINDING PROTEIN
BIOTIN BINDING PROTEIN, BINDING PROTEIN
SAV_STRAV
UNP
1
37
163
1SWS
13
139
P22629
A
1
1
127
37
163
1SWS
13
139
P22629
B
1
1
127
37
163
1SWS
13
139
P22629
C
1
1
127
37
163
1SWS
13
139
P22629
D
1
1
127
1
ASP
engineered mutation
ALA
128
1SWS
A
P22629
UNP
152
116
2
ASP
engineered mutation
ALA
128
1SWS
B
P22629
UNP
152
116
3
ASP
engineered mutation
ALA
128
1SWS
C
P22629
UNP
152
116
4
ASP
engineered mutation
ALA
128
1SWS
D
P22629
UNP
152
116
8
8
8
8
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
GLY
19
A
GLY
7
A
TYR
22
A
TYR
10
A
THR
28
A
THR
16
A
ALA
33
A
ALA
21
A
ALA
38
A
ALA
26
A
TYR
43
A
TYR
31
A
TYR
54
A
TYR
42
A
TYR
60
A
TYR
48
A
THR
71
A
THR
59
A
ALA
78
A
ALA
66
A
SER
88
A
SER
76
A
VAL
97
A
VAL
85
A
ARG
103
A
ARG
91
A
SER
112
A
SER
100
A
THR
123
A
THR
111
A
THR
131
A
THR
119
B
GLY
19
B
GLY
7
B
ASN
23
B
ASN
11
B
SER
27
B
SER
15
B
ALA
33
B
ALA
21
B
ALA
38
B
ALA
26
B
GLU
44
B
GLU
32
B
ARG
53
B
ARG
41
B
TYR
60
B
TYR
48
B
THR
71
B
THR
59
B
ALA
78
B
ALA
66
B
SER
88
B
SER
76
B
VAL
97
B
VAL
85
B
ARG
103
B
ARG
91
B
SER
112
B
SER
100
B
THR
123
B
THR
111
B
THR
131
B
THR
119
C
GLY
19
C
GLY
7
C
TYR
22
C
TYR
10
C
THR
28
C
THR
16
C
ALA
33
C
ALA
21
C
ALA
38
C
ALA
26
C
GLU
44
C
GLU
32
C
ARG
53
C
ARG
41
C
TYR
60
C
TYR
48
C
THR
71
C
THR
59
C
ALA
78
C
ALA
66
C
SER
88
C
SER
76
C
VAL
97
C
VAL
85
C
ARG
103
C
ARG
91
C
SER
112
C
SER
100
C
THR
123
C
THR
111
C
THR
131
C
THR
119
D
GLY
19
D
GLY
7
D
ASN
23
D
ASN
11
D
SER
27
D
SER
15
D
ALA
33
D
ALA
21
D
ALA
38
D
ALA
26
D
GLU
44
D
GLU
32
D
TYR
54
D
TYR
42
D
TYR
60
D
TYR
48
D
THR
71
D
THR
59
D
ALA
78
D
ALA
66
D
SER
88
D
SER
76
D
VAL
97
D
VAL
85
D
ARG
103
D
ARG
91
D
SER
112
D
SER
100
D
THR
123
D
THR
111
D
THR
131
D
THR
119
4
P 1 21 1