0.017125
0.000000
0.002744
0.000000
0.011550
0.000000
0.000000
0.000000
0.021441
0.00000
0.00000
0.00000
Korndoerfer, I.P.
Skerra, A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
99.10
90.00
58.394
86.581
47.235
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
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 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
N
221
N
C
N
222
N
S
N
223
N
C
N
224
N
O
N
225
N
H
N
226
N
H
N
227
N
H
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
N
N
237
S
C
N
238
N
C
N
239
N
O
N
240
N
C
Y
241
N
C
Y
242
N
C
Y
243
N
C
Y
244
N
C
Y
245
N
C
Y
246
N
C
N
247
N
O
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
H
N
257
N
H
N
258
N
H
N
259
N
N
N
260
S
C
N
261
N
C
N
262
N
O
N
263
N
C
N
264
N
C
N
265
N
C
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
N
N
277
S
C
N
278
N
C
N
279
N
O
N
280
N
C
N
281
N
O
N
282
N
O
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
R
C
N
295
N
O
N
296
N
C
N
297
N
O
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
N
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
N
321
N
O
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
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
N
N
335
S
C
N
336
N
C
N
337
N
O
N
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
Y
342
N
C
Y
343
N
C
Y
344
N
C
N
345
N
O
N
346
N
O
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
N
N
359
S
C
N
360
N
C
N
361
N
O
N
362
N
C
N
363
N
C
N
364
N
C
N
365
N
O
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
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
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
doub
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
Y
235
N
doub
Y
236
N
sing
Y
237
N
sing
N
238
N
sing
Y
239
N
doub
N
240
N
sing
Y
241
N
doub
N
242
N
sing
Y
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
doub
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
doub
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
doub
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
Y
304
N
doub
Y
305
N
sing
Y
306
N
sing
N
307
N
sing
Y
308
N
doub
Y
309
N
sing
Y
310
N
sing
N
311
N
sing
Y
312
N
sing
Y
313
N
doub
N
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
doub
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
Y
332
N
doub
Y
333
N
sing
Y
334
N
sing
N
335
N
sing
Y
336
N
doub
N
337
N
sing
Y
338
N
doub
N
339
N
sing
Y
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
doub
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
US
Protein Sci.
PRCIEI
0795
0961-8368
11
883
893
10.1110/ps.4150102
11910031
Improved affinity of engineered streptavidin for the Strep-tag II peptide is due to a fixed open conformation of the lid-like loop at the binding site.
2002
10.2210/pdb1kl5/pdb
pdb_00001kl5
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298.0
1
OSMIC MIRRORS
IMAGE PLATE
2001-09-25
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU300
13353.535
streptavidin
E44I,S45G,V47R
4
man
polymer
1174.263
strep-tag II
4
syn
polymer
18.015
water
167
nat
water
no
no
MEAGITGTWYNQLGSTFIVTAGADGALTGTYIGARGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW
SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS
MEAGITGTWYNQLGSTFIVTAGADGALTGTYIGARGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTW
SGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS
A,B,C,D
polypeptide(L)
no
no
NWSHPQFEK
NWSHPQFEK
E,F,G,H
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
Streptomyces
Escherichia
sample
1895
Streptomyces avidinii
562
Escherichia coli
plasmid
pSA1
1
2.2
44
VAPOR DIFFUSION, HANGING DROP
7.50
100 mM Na2HPO4, 1.2-M (NH4)2SO4, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
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
2002-04-03
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
an engineered streptavidin with improved affinity for the strep-tag II peptide : apo-SAm1
an engineered streptavidin with improved affinity for the strep-tag II peptide : SAm1-StrepII
AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE : apo-SAM2
Complex Between wild-type Streptavidin and The Strep-Tag II Peptide
RCSB
Y
RCSB
2001-12-11
REL
REL
HOH
water
The strep-tag II peptide is chemically synthesized and was selected by synthetic peptide spot assays from a subset of strep-tag derivatives.
sample
1SWU
PDB
experimental model
HOH
2
3
HOH
HOH
140
A
HOH
5
3
HOH
HOH
141
A
HOH
12
3
HOH
HOH
142
A
HOH
22
3
HOH
HOH
143
A
HOH
23
3
HOH
HOH
144
A
HOH
24
3
HOH
HOH
145
A
HOH
33
3
HOH
HOH
146
A
HOH
41
3
HOH
HOH
147
A
HOH
55
3
HOH
HOH
148
A
HOH
57
3
HOH
HOH
149
A
HOH
58
3
HOH
HOH
150
A
HOH
66
3
HOH
HOH
151
A
HOH
72
3
HOH
HOH
152
A
HOH
73
3
HOH
HOH
153
A
HOH
78
3
HOH
HOH
154
A
HOH
82
3
HOH
HOH
155
A
HOH
85
3
HOH
HOH
156
A
HOH
88
3
HOH
HOH
157
A
HOH
94
3
HOH
HOH
158
A
HOH
95
3
HOH
HOH
159
A
HOH
98
3
HOH
HOH
160
A
HOH
101
3
HOH
HOH
161
A
HOH
105
3
HOH
HOH
162
A
HOH
106
3
HOH
HOH
163
A
HOH
107
3
HOH
HOH
164
A
HOH
109
3
HOH
HOH
165
A
HOH
111
3
HOH
HOH
166
A
HOH
116
3
HOH
HOH
167
A
HOH
126
3
HOH
HOH
168
A
HOH
127
3
HOH
HOH
169
A
HOH
137
3
HOH
HOH
170
A
HOH
141
3
HOH
HOH
171
A
HOH
143
3
HOH
HOH
172
A
HOH
145
3
HOH
HOH
173
A
HOH
147
3
HOH
HOH
174
A
HOH
148
3
HOH
HOH
175
A
HOH
153
3
HOH
HOH
176
A
HOH
154
3
HOH
HOH
177
A
HOH
155
3
HOH
HOH
178
A
HOH
157
3
HOH
HOH
179
A
HOH
159
3
HOH
HOH
180
A
HOH
161
3
HOH
HOH
181
A
HOH
162
3
HOH
HOH
182
A
HOH
4
3
HOH
HOH
140
B
HOH
7
3
HOH
HOH
141
B
HOH
10
3
HOH
HOH
142
B
HOH
11
3
HOH
HOH
143
B
HOH
14
3
HOH
HOH
144
B
HOH
19
3
HOH
HOH
145
B
HOH
26
3
HOH
HOH
146
B
HOH
27
3
HOH
HOH
147
B
HOH
28
3
HOH
HOH
148
B
HOH
36
3
HOH
HOH
149
B
HOH
38
3
HOH
HOH
150
B
HOH
39
3
HOH
HOH
151
B
HOH
42
3
HOH
HOH
152
B
HOH
44
3
HOH
HOH
153
B
HOH
47
3
HOH
HOH
154
B
HOH
50
3
HOH
HOH
155
B
HOH
54
3
HOH
HOH
156
B
HOH
56
3
HOH
HOH
157
B
HOH
59
3
HOH
HOH
158
B
HOH
62
3
HOH
HOH
159
B
HOH
76
3
HOH
HOH
160
B
HOH
84
3
HOH
HOH
161
B
HOH
87
3
HOH
HOH
162
B
HOH
90
3
HOH
HOH
163
B
HOH
92
3
HOH
HOH
164
B
HOH
97
3
HOH
HOH
165
B
HOH
100
3
HOH
HOH
166
B
HOH
102
3
HOH
HOH
167
B
HOH
104
3
HOH
HOH
168
B
HOH
110
3
HOH
HOH
169
B
HOH
113
3
HOH
HOH
170
B
HOH
115
3
HOH
HOH
171
B
HOH
122
3
HOH
HOH
172
B
HOH
129
3
HOH
HOH
173
B
HOH
132
3
HOH
HOH
174
B
HOH
133
3
HOH
HOH
175
B
HOH
134
3
HOH
HOH
176
B
HOH
146
3
HOH
HOH
177
B
HOH
149
3
HOH
HOH
178
B
HOH
152
3
HOH
HOH
179
B
HOH
160
3
HOH
HOH
180
B
HOH
166
3
HOH
HOH
181
B
HOH
167
3
HOH
HOH
182
B
HOH
3
3
HOH
HOH
140
C
HOH
6
3
HOH
HOH
141
C
HOH
9
3
HOH
HOH
142
C
HOH
15
3
HOH
HOH
143
C
HOH
16
3
HOH
HOH
144
C
HOH
18
3
HOH
HOH
145
C
HOH
20
3
HOH
HOH
146
C
HOH
31
3
HOH
HOH
147
C
HOH
32
3
HOH
HOH
148
C
HOH
34
3
HOH
HOH
149
C
HOH
37
3
HOH
HOH
150
C
HOH
40
3
HOH
HOH
151
C
HOH
43
3
HOH
HOH
152
C
HOH
48
3
HOH
HOH
153
C
HOH
52
3
HOH
HOH
154
C
HOH
60
3
HOH
HOH
155
C
HOH
69
3
HOH
HOH
156
C
HOH
70
3
HOH
HOH
157
C
HOH
74
3
HOH
HOH
158
C
HOH
79
3
HOH
HOH
159
C
HOH
81
3
HOH
HOH
160
C
HOH
83
3
HOH
HOH
161
C
HOH
86
3
HOH
HOH
162
C
HOH
91
3
HOH
HOH
163
C
HOH
96
3
HOH
HOH
164
C
HOH
99
3
HOH
HOH
165
C
HOH
103
3
HOH
HOH
166
C
HOH
108
3
HOH
HOH
167
C
HOH
117
3
HOH
HOH
168
C
HOH
118
3
HOH
HOH
169
C
HOH
125
3
HOH
HOH
170
C
HOH
131
3
HOH
HOH
171
C
HOH
136
3
HOH
HOH
172
C
HOH
138
3
HOH
HOH
173
C
HOH
142
3
HOH
HOH
174
C
HOH
164
3
HOH
HOH
175
C
HOH
1
3
HOH
HOH
140
D
HOH
8
3
HOH
HOH
141
D
HOH
13
3
HOH
HOH
142
D
HOH
17
3
HOH
HOH
143
D
HOH
21
3
HOH
HOH
144
D
HOH
25
3
HOH
HOH
145
D
HOH
29
3
HOH
HOH
146
D
HOH
30
3
HOH
HOH
147
D
HOH
35
3
HOH
HOH
148
D
HOH
45
3
HOH
HOH
149
D
HOH
46
3
HOH
HOH
150
D
HOH
49
3
HOH
HOH
151
D
HOH
51
3
HOH
HOH
152
D
HOH
61
3
HOH
HOH
153
D
HOH
63
3
HOH
HOH
154
D
HOH
64
3
HOH
HOH
155
D
HOH
65
3
HOH
HOH
156
D
HOH
67
3
HOH
HOH
157
D
HOH
68
3
HOH
HOH
158
D
HOH
71
3
HOH
HOH
159
D
HOH
75
3
HOH
HOH
160
D
HOH
77
3
HOH
HOH
161
D
HOH
80
3
HOH
HOH
162
D
HOH
89
3
HOH
HOH
163
D
HOH
93
3
HOH
HOH
164
D
HOH
112
3
HOH
HOH
165
D
HOH
114
3
HOH
HOH
166
D
HOH
119
3
HOH
HOH
167
D
HOH
120
3
HOH
HOH
168
D
HOH
121
3
HOH
HOH
169
D
HOH
123
3
HOH
HOH
170
D
HOH
124
3
HOH
HOH
171
D
HOH
135
3
HOH
HOH
172
D
HOH
139
3
HOH
HOH
173
D
HOH
140
3
HOH
HOH
174
D
HOH
150
3
HOH
HOH
175
D
HOH
151
3
HOH
HOH
176
D
HOH
156
3
HOH
HOH
177
D
HOH
158
3
HOH
HOH
178
D
HOH
163
3
HOH
HOH
179
D
HOH
165
3
HOH
HOH
180
D
HOH
53
3
HOH
HOH
53
E
HOH
130
3
HOH
HOH
130
F
HOH
128
3
HOH
HOH
128
H
HOH
144
3
HOH
HOH
144
H
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
ILE
44
n
32
ILE
44
A
GLY
45
n
33
GLY
45
A
ALA
46
n
34
ALA
46
A
ARG
47
n
35
ARG
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
ASP
128
n
116
ASP
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
VAL
133
n
121
VAL
133
A
LYS
134
n
122
LYS
134
A
PRO
135
n
123
PRO
135
A
SER
136
n
124
SER
136
A
n
125
137
A
n
126
138
A
n
127
139
A
n
1
13
B
n
2
14
B
ALA
15
n
3
ALA
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
ILE
44
n
32
ILE
44
B
GLY
45
n
33
GLY
45
B
ALA
46
n
34
ALA
46
B
ARG
47
n
35
ARG
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
ASP
128
n
116
ASP
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
VAL
133
n
121
VAL
133
B
LYS
134
n
122
LYS
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
ALA
15
n
3
ALA
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
ILE
44
n
32
ILE
44
C
GLY
45
n
33
GLY
45
C
ALA
46
n
34
ALA
46
C
ARG
47
n
35
ARG
47
C
GLY
48
n
36
GLY
48
C
ASN
49
n
37
ASN
49
C
ALA
50
n
38
ALA
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
ASP
128
n
116
ASP
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
VAL
133
n
121
VAL
133
C
LYS
134
n
122
LYS
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
ILE
44
n
32
ILE
44
D
GLY
45
n
33
GLY
45
D
ALA
46
n
34
ALA
46
D
ARG
47
n
35
ARG
47
D
GLY
48
n
36
GLY
48
D
ASN
49
n
37
ASN
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
ASP
128
n
116
ASP
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
VAL
133
n
121
VAL
133
D
LYS
134
n
122
LYS
134
D
n
123
135
D
n
124
136
D
n
125
137
D
n
126
138
D
n
127
139
D
n
1
1
E
n
2
2
E
SER
3
n
3
SER
3
E
HIS
4
n
4
HIS
4
E
PRO
5
n
5
PRO
5
E
GLN
6
n
6
GLN
6
E
PHE
7
n
7
PHE
7
E
n
8
8
E
n
9
9
E
n
1
1
F
n
2
2
F
n
3
3
F
HIS
4
n
4
HIS
4
F
PRO
5
n
5
PRO
5
F
GLN
6
n
6
GLN
6
F
PHE
7
n
7
PHE
7
F
GLU
8
n
8
GLU
8
F
n
9
9
F
n
1
1
G
n
2
2
G
n
3
3
G
HIS
4
n
4
HIS
4
G
PRO
5
n
5
PRO
5
G
GLN
6
n
6
GLN
6
G
PHE
7
n
7
PHE
7
G
GLU
8
n
8
GLU
8
G
LYS
9
n
9
LYS
9
G
n
1
1
H
n
2
2
H
n
3
3
H
HIS
4
n
4
HIS
4
H
PRO
5
n
5
PRO
5
H
GLN
6
n
6
GLN
6
H
PHE
7
n
7
PHE
7
H
GLU
8
n
8
GLU
8
H
LYS
9
n
9
LYS
9
H
author_and_software_defined_assembly
PISA
8
octameric
12480
-78
19960
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
TRP
21
A
N
TRP
9
A
O
PHE
29
A
O
PHE
17
A
N
ILE
30
A
N
ILE
18
A
O
THR
42
A
O
THR
30
A
N
TYR
43
A
N
TYR
31
A
O
TYR
54
A
O
TYR
42
A
N
THR
57
A
N
THR
45
A
O
THR
76
A
O
THR
64
A
N
VAL
77
A
N
VAL
65
A
O
THR
90
A
O
THR
78
A
N
SER
93
A
N
SER
81
A
O
GLN
107
A
O
GLN
95
A
N
LEU
110
A
N
LEU
98
A
O
LEU
124
A
O
LEU
112
A
O
THR
131
A
O
THR
119
A
N
TYR
22
A
N
TYR
10
B
N
TRP
21
B
N
TRP
9
B
O
PHE
29
B
O
PHE
17
B
N
THR
28
B
N
THR
16
B
O
ILE
44
B
O
ILE
32
B
N
TYR
43
B
N
TYR
31
B
O
TYR
54
B
O
TYR
42
B
N
THR
57
B
N
THR
45
B
O
THR
76
B
O
THR
64
B
N
LEU
73
B
N
LEU
61
B
O
GLY
94
B
O
GLY
82
B
N
VAL
97
B
N
VAL
85
B
O
ARG
103
B
O
ARG
91
B
N
THR
106
B
N
THR
94
B
O
ASP
128
B
O
ASP
116
B
O
THR
131
B
O
THR
119
B
N
TYR
22
B
N
TYR
10
C
N
GLY
19
C
N
GLY
7
C
O
VAL
31
C
O
VAL
19
C
N
THR
28
C
N
THR
16
C
O
ILE
44
C
O
ILE
32
C
N
TYR
43
C
N
TYR
31
C
O
TYR
54
C
O
TYR
42
C
N
THR
57
C
N
THR
45
C
O
THR
76
C
O
THR
64
C
N
THR
71
C
N
THR
59
C
O
TYR
96
C
O
TYR
84
C
N
SER
93
C
N
SER
81
C
O
GLN
107
C
O
GLN
95
C
N
THR
106
C
N
THR
94
C
O
ASP
128
C
O
ASP
116
C
O
THR
131
C
O
THR
119
C
N
TYR
22
C
N
TYR
10
D
N
TRP
21
D
N
TRP
9
D
O
PHE
29
D
O
PHE
17
D
N
THR
28
D
N
THR
16
D
O
ILE
44
D
O
ILE
32
D
N
TYR
43
D
N
TYR
31
D
O
TYR
54
D
O
TYR
42
D
N
THR
57
D
N
THR
45
D
O
THR
76
D
O
THR
64
D
N
VAL
77
D
N
VAL
65
D
O
THR
90
D
O
THR
78
D
N
VAL
97
D
N
VAL
85
D
O
ARG
103
D
O
ARG
91
D
N
ILE
104
D
N
ILE
92
D
O
PHE
130
D
O
PHE
118
D
O
THR
131
D
O
THR
119
D
N
TYR
22
D
N
TYR
10
1
A
MET
13
A
MET
1
1
Y
1
A
GLU
14
A
GLU
2
1
Y
1
A
ALA
15
A
ALA
3
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
MET
13
B
MET
1
1
Y
1
B
GLU
14
B
GLU
2
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
MET
13
C
MET
1
1
Y
1
C
GLU
14
C
GLU
2
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
MET
13
D
MET
1
1
Y
1
D
GLU
14
D
GLU
2
1
Y
1
D
ALA
15
D
ALA
3
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
E
ASN
1
E
ASN
1
1
Y
1
E
TRP
2
E
TRP
2
1
Y
1
E
GLU
8
E
GLU
8
1
Y
1
E
LYS
9
E
LYS
9
1
Y
1
F
ASN
1
F
ASN
1
1
Y
1
F
TRP
2
F
TRP
2
1
Y
1
F
SER
3
F
SER
3
1
Y
1
F
LYS
9
F
LYS
9
1
Y
1
G
ASN
1
G
ASN
1
1
Y
1
G
TRP
2
G
TRP
2
1
Y
1
G
SER
3
G
SER
3
1
Y
1
H
ASN
1
H
ASN
1
1
Y
1
H
TRP
2
H
TRP
2
1
Y
1
H
SER
3
H
SER
3
1
Y
1
C
C
O
O
ALA
HOH
15
163
2.02
1
A
D
O
CZ2
HIS
TRP
127
120
2.03
1
C
C
NE2
O
GLN
HOH
24
170
2.07
1
A
D
O
CH2
HIS
TRP
127
120
2.07
1
D
D
OE1
O
GLN
HOH
107
169
2.10
1
C
C
OE1
O
GLN
HOH
24
160
2.18
1
5.78
0.90
118.30
124.08
A
A
A
CB
CG
OD2
ASP
ASP
ASP
36
36
36
N
1
5.48
0.90
118.30
123.78
A
A
A
CB
CG
OD1
ASP
ASP
ASP
67
67
67
N
1
-14.71
1.70
111.00
96.29
A
A
A
CB
CG
CD1
LEU
LEU
LEU
110
110
110
N
1
-5.87
0.90
118.30
112.43
B
B
B
CB
CG
OD1
ASP
ASP
ASP
61
61
61
N
1
12.28
2.00
110.40
122.68
C
C
C
CB
CA
C
PHE
PHE
PHE
29
29
29
N
1
-4.96
0.70
120.80
115.84
C
C
C
CB
CG
CD1
PHE
PHE
PHE
29
29
29
N
1
-3.01
0.50
120.30
117.29
C
C
C
NE
CZ
NH1
ARG
ARG
ARG
59
59
59
N
1
5.64
0.90
118.30
123.94
C
C
C
CB
CG
OD2
ASP
ASP
ASP
67
67
67
N
1
3.84
0.50
120.30
124.14
C
C
C
NE
CZ
NH1
ARG
ARG
ARG
103
103
103
N
1
9.35
0.90
118.30
127.65
D
D
D
CB
CG
OD2
ASP
ASP
ASP
128
128
128
N
1
15.24
2.30
111.70
126.94
D
D
D
CD
CE
NZ
LYS
LYS
LYS
132
132
132
N
1
5.13
0.70
120.80
125.93
G
G
G
CB
CG
CD2
PHE
PHE
PHE
7
7
7
N
1
-5.77
0.70
120.80
115.03
G
G
G
CB
CG
CD1
PHE
PHE
PHE
7
7
7
N
1
C
B
NZ
O
LYS
HOH
132
176
2.13
1_555
1_455
1
B
TRP
79
-80.53
48.09
1
B
ASN
81
-135.45
-154.89
1
B
GLU
101
-114.06
65.95
1
C
GLU
101
-104.94
57.57
1
D
TRP
79
-84.12
47.84
1
D
GLU
101
84.69
50.01
23.282
-1.29
0.00
0.14
0.25
0.00
1.09
0.2213000
0.1779000
0.1801000
1.80
48.0
2013
38659
4.9
94.56
3.860
0.122
RANDOM
1
0
FOURIER SYNTHESIS
0.138
0.132
1SWU
Engh & Huber
1.80
48.0
167
3957
0
0
3790
0.017
0.021
2.679
1.885
0.3500000
0.2800000
1.85
142
2788
92.87
1.800
48.0
1KL5
41071
-3.000
0.0400000
1
19.6
2.9
94.5
1.80
1.86
3.0
3998
0.3520000
2.81
93.2
refinement
CNS
refinement
REFMAC
data reduction
DENZO
data scaling
SCALEPACK
phasing
CNS
an engineered streptavidin with improved affinity for the strep-tag II peptide : SAm2-StrepII
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
3
N
N
The biological assembly is one of the teramers in the asymmetric unit
A
ASN
49
A
ASN
37
HELX_P
A
GLU
51
A
GLU
39
5
1
3
A
THR
115
A
THR
103
HELX_P
A
LYS
121
A
LYS
109
5
2
7
B
ASN
49
B
ASN
37
HELX_P
B
GLU
51
B
GLU
39
5
3
3
B
THR
115
B
THR
103
HELX_P
B
LYS
121
B
LYS
109
5
4
7
C
ASN
49
C
ASN
37
HELX_P
C
GLU
51
C
GLU
39
5
5
3
C
THR
115
C
THR
103
HELX_P
C
LYS
121
C
LYS
109
5
6
7
D
ASN
49
D
ASN
37
HELX_P
D
GLU
51
D
GLU
39
5
7
3
D
THR
115
D
THR
103
HELX_P
D
LYS
121
D
LYS
109
5
8
7
F
HIS
4
F
HIS
4
HELX_P
F
GLU
8
F
GLU
8
5
9
5
G
HIS
4
G
HIS
4
HELX_P
G
GLU
8
G
GLU
8
5
10
5
H
HIS
4
H
HIS
4
HELX_P
H
GLU
8
H
GLU
8
5
11
5
PEPTIDE BINDING PROTEIN
BIOTIN, PROTEIN ENGINEERING, STREP-TAG, STREPTAVIDIN, PEPTIDE BINDING PROTEIN
SAV_STRAV
UNP
1
38
P22629
1KL5
PDB
2
1KL5
38
163
1KL5
14
139
P22629
A
1
2
127
38
163
1KL5
14
139
P22629
B
1
2
127
38
163
1KL5
14
139
P22629
C
1
2
127
38
163
1KL5
14
139
P22629
D
1
2
127
1
9
1KL5
1
9
1KL5
E
2
1
9
1
9
1KL5
1
9
1KL5
F
2
1
9
1
9
1KL5
1
9
1KL5
G
2
1
9
1
9
1KL5
1
9
1KL5
H
2
1
9
1
initiating methionine
MET
13
1KL5
A
P22629
UNP
1
1
GLU
engineered mutation
ILE
44
1KL5
A
P22629
UNP
68
32
1
SER
engineered mutation
GLY
45
1KL5
A
P22629
UNP
69
33
1
VAL
engineered mutation
ARG
47
1KL5
A
P22629
UNP
71
35
2
initiating methionine
MET
13
1KL5
B
P22629
UNP
1
2
GLU
engineered mutation
ILE
44
1KL5
B
P22629
UNP
68
32
2
SER
engineered mutation
GLY
45
1KL5
B
P22629
UNP
69
33
2
VAL
engineered mutation
ARG
47
1KL5
B
P22629
UNP
71
35
3
initiating methionine
MET
13
1KL5
C
P22629
UNP
1
3
GLU
engineered mutation
ILE
44
1KL5
C
P22629
UNP
68
32
3
SER
engineered mutation
GLY
45
1KL5
C
P22629
UNP
69
33
3
VAL
engineered mutation
ARG
47
1KL5
C
P22629
UNP
71
35
4
initiating methionine
MET
13
1KL5
D
P22629
UNP
1
4
GLU
engineered mutation
ILE
44
1KL5
D
P22629
UNP
68
32
4
SER
engineered mutation
GLY
45
1KL5
D
P22629
UNP
69
33
4
VAL
engineered mutation
ARG
47
1KL5
D
P22629
UNP
71
35
9
9
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
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
ASN
23
A
ASN
11
A
THR
28
A
THR
16
A
ALA
33
A
ALA
21
A
ALA
38
A
ALA
26
A
ILE
44
A
ILE
32
A
ARG
53
A
ARG
41
A
TYR
60
A
TYR
48
A
THR
71
A
THR
59
A
LYS
80
A
LYS
68
A
ASN
85
A
ASN
73
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
A
GLY
19
A
GLY
7
A
ASN
23
A
ASN
11
B
GLY
19
B
GLY
7
B
TYR
22
B
TYR
10
B
THR
28
B
THR
16
B
ALA
33
B
ALA
21
B
ALA
38
B
ALA
26
B
ILE
44
B
ILE
32
B
ARG
53
B
ARG
41
B
TYR
60
B
TYR
48
B
THR
71
B
THR
59
B
LYS
80
B
LYS
68
B
ASN
85
B
ASN
73
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
B
GLY
19
B
GLY
7
B
TYR
22
B
TYR
10
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
ILE
44
C
ILE
32
C
ARG
53
C
ARG
41
C
TYR
60
C
TYR
48
C
THR
71
C
THR
59
C
LYS
80
C
LYS
68
C
ASN
85
C
ASN
73
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
C
GLY
19
C
GLY
7
C
TYR
22
C
TYR
10
D
GLY
19
D
GLY
7
D
ASN
23
D
ASN
11
D
THR
28
D
THR
16
D
ALA
33
D
ALA
21
D
ALA
38
D
ALA
26
D
ILE
44
D
ILE
32
D
ARG
53
D
ARG
41
D
TYR
60
D
TYR
48
D
THR
71
D
THR
59
D
LYS
80
D
LYS
68
D
ASN
85
D
ASN
73
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
D
GLY
19
D
GLY
7
D
ASN
23
D
ASN
11
4
P 1 21 1