0.011722
0.006768
0.000000
0.000000
0.013535
0.000000
0.000000
0.000000
0.008774
0.00000
0.00000
0.00000
Lawson, C.L.
Benoff, B.
Berger, T.
Berman, H.M.
Carey, J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
85.310
85.310
113.968
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
C3 H8 O
60.095
ISOPROPYL ALCOHOL
2-PROPANOL
non-polymer
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
C
N
170
N
C
N
171
N
C
N
172
N
O
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
N
N
182
S
C
N
183
N
C
N
184
N
O
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
C
N
189
N
O
N
190
N
H
N
191
N
H
N
192
N
H
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
N
N
204
S
C
N
205
N
C
N
206
N
O
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
C
N
211
N
N
N
212
N
O
N
213
N
H
N
214
N
H
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
S
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
N
N
249
S
C
N
250
N
C
N
251
N
O
N
252
N
C
Y
253
N
C
Y
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
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
N
N
272
S
C
N
273
N
C
N
274
N
O
N
275
N
C
N
276
N
C
N
277
N
C
N
278
N
O
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
H
N
288
N
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
N
293
N
O
N
294
N
O
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
N
N
303
S
C
N
304
N
C
N
305
N
O
N
306
R
C
N
307
N
O
N
308
N
C
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
N
N
320
S
C
N
321
N
C
N
322
N
O
N
323
N
C
Y
324
N
C
Y
325
N
C
Y
326
N
C
Y
327
N
N
Y
328
N
C
Y
329
N
C
Y
330
N
C
Y
331
N
C
Y
332
N
C
N
333
N
O
N
334
N
H
N
335
N
H
N
336
N
H
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
N
N
347
S
C
N
348
N
C
N
349
N
O
N
350
N
C
Y
351
N
C
Y
352
N
C
Y
353
N
C
Y
354
N
C
Y
355
N
C
Y
356
N
C
N
357
N
O
N
358
N
O
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
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
N
N
371
S
C
N
372
N
C
N
373
N
O
N
374
N
C
N
375
N
C
N
376
N
C
N
377
N
O
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
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
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
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
doub
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
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
doub
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
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
doub
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
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
doub
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
Y
246
N
doub
Y
247
N
sing
Y
248
N
sing
N
249
N
sing
Y
250
N
doub
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
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
sing
N
281
N
doub
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
doub
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
doub
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
Y
315
N
doub
Y
316
N
sing
Y
317
N
sing
N
318
N
sing
Y
319
N
doub
Y
320
N
sing
Y
321
N
sing
N
322
N
sing
Y
323
N
sing
Y
324
N
doub
N
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
doub
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
Y
343
N
doub
Y
344
N
sing
Y
345
N
sing
N
346
N
sing
Y
347
N
doub
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
doub
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
sing
UK
Structure
STRUE6
2005
0969-2126
12
1099
1108
10.1016/j.str.2004.03.019
15274929
E. coli trp repressor forms a domain-swapped array in aqueous alcohol.
2004
10.2210/pdb1mi7/pdb
pdb_00001mi7
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2001-04-24
CUSTOM-MADE
DOUBLE CRYSTAL MONOCHROMATOR
SINGLE WAVELENGTH
M
x-ray
1
1.1
1.0
X25
NSLS
1.1
SYNCHROTRON
NSLS BEAMLINE X25
aporepressor
12238.934
Trp operon repressor
1
man
polymer
60.095
ISOPROPYL ALCOHOL
1
syn
non-polymer
18.015
water
47
nat
water
no
no
AQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIAT
ITRGSNSLKAAPVELRQWLEEVLLKSD
AQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIAT
ITRGSNSLKAAPVELRQWLEEVLLKSD
R
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
Escherichia
Escherichia
Escherichia coli
sample
trpR
562
Escherichia coli
469008
Escherichia coli BL21(DE3)
BL21DE3
PLASMID
pET13a
1
4.89
74.84
VAPOR DIFFUSION, HANGING DROP
7.5
100 mM Na HEPES, 100 mM sodium chloride, 30%(v/v) isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
295
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Version format compliance
Advisory
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2003-09-02
1
1
2008-04-28
1
2
2011-07-13
1
3
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
trp holorepressor dimer, trigonal crystal lattice
trp holorepressor dimer, orthorhombic crystal lattice
trp aporepressor dimer
trp holorepressor/operator complex
tandem trp holorepressor/operator complex
HETEROGEN
HOH ATOM COORDINATES DEFINE SOLVENT MOLECULES
THAT MAY BE EITHER WATER OR ISOPROPANOL. OF 47
SOLVENT POSITIONS LABELLED AS WATER (HOH), MORE
THAN HALF ARE SUSPECTED TO BE AT LEAST PARTIALLY
OCCUPIED BY ISOPROPANOL, BASED EITHER ON LOW B-FACTOR
OR RELATIVELY LONG CONTACT DISTANCES TO PROTEIN ATOMS.
ONLY IN ONE CASE COULD SOLVENT BE UNAMBIGUOUSLY
ASSIGNED AS ISOPROPANOL BASED ON ELECTRON DENSITY
SHAPE (IOH 200).
BIOMOLECULE:
THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT
WHICH CONSISTS OF 1 CHAIN(S). THE BIOLOGICAL UNIT REPRESENTS A PORTION OF THE DOMAIN-SWAPPED THREE DIMENSIONAL ARRAY
RCSB
Y
RCSB
2002-08-22
REL
REL
IPA
ISOPROPYL ALCOHOL
HOH
water
2WRP
PDB ENTRY 2WRP BIOLOGICAL DIMER
PDB
experimental model
IOH
200
2
IPA
IPA
200
R
HOH
201
3
HOH
HOH
201
R
HOH
202
3
HOH
HOH
202
R
HOH
203
3
HOH
HOH
203
R
HOH
204
3
HOH
HOH
204
R
HOH
205
3
HOH
HOH
205
R
HOH
206
3
HOH
HOH
206
R
HOH
207
3
HOH
HOH
207
R
HOH
208
3
HOH
HOH
208
R
HOH
209
3
HOH
HOH
209
R
HOH
210
3
HOH
HOH
210
R
HOH
211
3
HOH
HOH
211
R
HOH
212
3
HOH
HOH
212
R
HOH
213
3
HOH
HOH
213
R
HOH
214
3
HOH
HOH
214
R
HOH
215
3
HOH
HOH
215
R
HOH
216
3
HOH
HOH
216
R
HOH
217
3
HOH
HOH
217
R
HOH
218
3
HOH
HOH
218
R
HOH
219
3
HOH
HOH
219
R
HOH
220
3
HOH
HOH
220
R
HOH
221
3
HOH
HOH
221
R
HOH
222
3
HOH
HOH
222
R
HOH
223
3
HOH
HOH
223
R
HOH
224
3
HOH
HOH
224
R
HOH
225
3
HOH
HOH
225
R
HOH
226
3
HOH
HOH
226
R
HOH
227
3
HOH
HOH
227
R
HOH
228
3
HOH
HOH
228
R
HOH
229
3
HOH
HOH
229
R
HOH
230
3
HOH
HOH
230
R
HOH
231
3
HOH
HOH
231
R
HOH
232
3
HOH
HOH
232
R
HOH
233
3
HOH
HOH
233
R
HOH
234
3
HOH
HOH
234
R
HOH
235
3
HOH
HOH
235
R
HOH
236
3
HOH
HOH
236
R
HOH
237
3
HOH
HOH
237
R
HOH
238
3
HOH
HOH
238
R
HOH
239
3
HOH
HOH
239
R
HOH
240
3
HOH
HOH
240
R
HOH
241
3
HOH
HOH
241
R
HOH
242
3
HOH
HOH
242
R
HOH
243
3
HOH
HOH
243
R
HOH
244
3
HOH
HOH
244
R
HOH
245
3
HOH
HOH
245
R
HOH
246
3
HOH
HOH
246
R
HOH
247
3
HOH
HOH
247
R
n
1
2
R
GLN
3
n
2
GLN
3
R
GLN
4
n
3
GLN
4
R
SER
5
n
4
SER
5
R
PRO
6
n
5
PRO
6
R
TYR
7
n
6
TYR
7
R
SER
8
n
7
SER
8
R
ALA
9
n
8
ALA
9
R
ALA
10
n
9
ALA
10
R
MET
11
n
10
MET
11
R
ALA
12
n
11
ALA
12
R
GLU
13
n
12
GLU
13
R
GLN
14
n
13
GLN
14
R
ARG
15
n
14
ARG
15
R
HIS
16
n
15
HIS
16
R
GLN
17
n
16
GLN
17
R
GLU
18
n
17
GLU
18
R
TRP
19
n
18
TRP
19
R
LEU
20
n
19
LEU
20
R
ARG
21
n
20
ARG
21
R
PHE
22
n
21
PHE
22
R
VAL
23
n
22
VAL
23
R
ASP
24
n
23
ASP
24
R
LEU
25
n
24
LEU
25
R
LEU
26
n
25
LEU
26
R
LYS
27
n
26
LYS
27
R
ASN
28
n
27
ASN
28
R
ALA
29
n
28
ALA
29
R
TYR
30
n
29
TYR
30
R
GLN
31
n
30
GLN
31
R
ASN
32
n
31
ASN
32
R
ASP
33
n
32
ASP
33
R
LEU
34
n
33
LEU
34
R
HIS
35
n
34
HIS
35
R
LEU
36
n
35
LEU
36
R
PRO
37
n
36
PRO
37
R
LEU
38
n
37
LEU
38
R
LEU
39
n
38
LEU
39
R
ASN
40
n
39
ASN
40
R
LEU
41
n
40
LEU
41
R
MET
42
n
41
MET
42
R
LEU
43
n
42
LEU
43
R
THR
44
n
43
THR
44
R
PRO
45
n
44
PRO
45
R
ASP
46
n
45
ASP
46
R
GLU
47
n
46
GLU
47
R
ARG
48
n
47
ARG
48
R
GLU
49
n
48
GLU
49
R
ALA
50
n
49
ALA
50
R
LEU
51
n
50
LEU
51
R
GLY
52
n
51
GLY
52
R
THR
53
n
52
THR
53
R
ARG
54
n
53
ARG
54
R
VAL
55
n
54
VAL
55
R
ARG
56
n
55
ARG
56
R
ILE
57
n
56
ILE
57
R
VAL
58
n
57
VAL
58
R
GLU
59
n
58
GLU
59
R
GLU
60
n
59
GLU
60
R
LEU
61
n
60
LEU
61
R
LEU
62
n
61
LEU
62
R
ARG
63
n
62
ARG
63
R
GLY
64
n
63
GLY
64
R
GLU
65
n
64
GLU
65
R
MET
66
n
65
MET
66
R
SER
67
n
66
SER
67
R
GLN
68
n
67
GLN
68
R
ARG
69
n
68
ARG
69
R
GLU
70
n
69
GLU
70
R
LEU
71
n
70
LEU
71
R
LYS
72
n
71
LYS
72
R
ASN
73
n
72
ASN
73
R
GLU
74
n
73
GLU
74
R
LEU
75
n
74
LEU
75
R
GLY
76
n
75
GLY
76
R
ALA
77
n
76
ALA
77
R
GLY
78
n
77
GLY
78
R
ILE
79
n
78
ILE
79
R
ALA
80
n
79
ALA
80
R
THR
81
n
80
THR
81
R
ILE
82
n
81
ILE
82
R
THR
83
n
82
THR
83
R
ARG
84
n
83
ARG
84
R
GLY
85
n
84
GLY
85
R
SER
86
n
85
SER
86
R
ASN
87
n
86
ASN
87
R
SER
88
n
87
SER
88
R
LEU
89
n
88
LEU
89
R
LYS
90
n
89
LYS
90
R
ALA
91
n
90
ALA
91
R
ALA
92
n
91
ALA
92
R
PRO
93
n
92
PRO
93
R
VAL
94
n
93
VAL
94
R
GLU
95
n
94
GLU
95
R
LEU
96
n
95
LEU
96
R
ARG
97
n
96
ARG
97
R
GLN
98
n
97
GLN
98
R
TRP
99
n
98
TRP
99
R
LEU
100
n
99
LEU
100
R
GLU
101
n
100
GLU
101
R
GLU
102
n
101
GLU
102
R
VAL
103
n
102
VAL
103
R
LEU
104
n
103
LEU
104
R
LEU
105
n
104
LEU
105
R
n
105
106
R
n
106
107
R
n
107
108
R
6.8461
2.2165
3.5787
1.0296
0.5586
1.3732
0.2773
0.1292
-0.7327
-0.0937
-0.0971
-0.2004
0.0640
-0.0783
-0.1801
0.4072
0.0690
-0.1194
0.5041
-0.1386
0.0830
refined
-15.8730
43.4470
17.5370
X-RAY DIFFRACTION
R
3
A
2
R
105
A
104
X-RAY DIFFRACTION
1
R
200
B
1
R
200
A
1
X-RAY DIFFRACTION
1
author_and_software_defined_assembly
PISA
2
dimeric
3080
-17
16120
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
11_555
-x+y,y,-z+1/2
crystal symmetry operation
0.0000000000
0.0000000000
56.9840000000
1
R
ALA
2
A
ALA
1
1
Y
1
R
LYS
106
A
LYS
105
1
Y
1
R
SER
107
A
SER
106
1
Y
1
R
ASP
108
A
ASP
107
1
Y
1
R
R
OG
OG
SER
SER
5
8
2.18
1
R
GLN
31
-72.99
48.05
1
R
ASN
32
-163.42
-10.44
31.215
-0.93
-0.47
0.00
-0.93
0.00
1.40
0.913
0.882
0.28756
0.25308
0.25505
2.50
74.54
455
7722
7722
5.6
91.38
10.109
0.212
RANDOM, 5.5%
LIKELY RESIDUAL
1
ISOTROPIC, WITH TLS
THROUGHOUT
0.0
0.0
MOLECULAR REPLACEMENT
0.305
0.255
0.80
0.80
1.40
PDB ENTRY 2WRP BIOLOGICAL DIMER
MAXIMUM LIKELIHOOD
BABINET MODEL WITH MASK
.432
10.0
2.50
74.54
47
881
4
0
830
0.018
0.021
845
1.577
1.980
1141
4.662
5.000
102
0.094
0.200
130
0.006
0.020
632
0.240
0.200
346
0.158
0.200
38
0.244
0.200
51
0.208
0.200
9
1.834
4.000
516
3.012
5.000
823
3.427
5.000
329
5.178
5.000
318
0.338
0.297
2.590
29
464
522
15
61.0
61.3
2.5
50.0
1MI7
8304
8304
-3.0
0.052
1
24.1
8.1
92.5
0.169
2.5
2.6
2.6
526
1
61.0
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
REFMAC
5.0
Crystal Structure of Domain Swapped trp Aporepressor in 30%(v/v) Isopropanol
1
N
N
2
N
N
3
N
N
CRYSTAL LATTICE: THE BIOLOGICAL UNIT REPRESENTS A PORTION OF THE DOMAIN-SWAPPED THREE DIMENSIONAL ARRAY
The crystal lattice is generated almost entirely by extensive, branched domain swapping of dimer precursors, so the minimal relevant assembly might be considered to be the entire crystal. To generate this assembly, use the full complement of crystallographic symmetry operators for space group P6(1)22.
ASYMMETRIC UNIT CONTACTS: to generate the nine crystallographic symmetry-related chains that make crystal contacts to the deposited asymmetric unit, use the following operators:
X-Y,X,Z+1/6 dx= 1 dy= 1 dz= 0;
-Y,X-Y,Z+1/3 dx= 1 dy= 1 dz= 0;
-X+Y,-X,Z+2/3 dx= 0 dy= 1 dz=-1;
Y,-X+Y,Z+5/6 dx=-1 dy= 0 dz=-1;
Y,X,-Z+1/3 dx=-1 dy= 0 dz= 0;
Y,X,-Z+1/3 dx= 0 dy= 1 dz= 0;
-Y,-X,-Z+5/6 dx= 0 dy= 0 dz=-1;
-X+Y,Y,-Z+1/2 dx= 0 dy= 0 dz= 0;
X,X-Y,-Z+1/6 dx= 0 dy= 1 dz= 0.
R
SER
5
A
SER
4
HELX_P
R
GLN
31
A
GLN
30
1
1
27
R
LEU
34
A
LEU
33
HELX_P
R
LEU
43
A
LEU
42
1
2
10
R
THR
44
A
THR
43
HELX_P
R
ALA
92
A
ALA
91
1
3
49
R
PRO
93
A
PRO
92
HELX_P
R
LEU
105
A
LEU
104
1
4
13
TRANSCRIPTION
DOMAIN SWAPPING, DNA BINDING PROTEIN, ALCOHOL INDUCED CONFORMATIONAL REARRANGEMENT, TRANSCRIPTION
TRPR_ECOLI
UNP
1
1
P0A881
AQQSPYSAAMAEQRHQEWLRFVDLLKNAYQNDLHLPLLNLMLTPDEREALGTRVRIVEELLRGEMSQRELKNELGAGIAT
ITRGSNSLKAAPVELRQWLEEVLLKSD
1
107
1MI7
2
108
P0A881
R
1
1
107
BINDING SITE FOR RESIDUE IPA R 200
R
IPA
200
Software
7
R
LEU
41
A
LEU
40
7
7_455
R
ARG
54
A
ARG
53
7
5_454
R
ILE
57
A
ILE
56
7
5_454
R
THR
81
A
THR
80
7
1_555
R
ARG
84
A
ARG
83
7
1_555
R
GLY
85
A
GLY
84
7
1_555
R
HOH
207
C
HOH
7
1_555
178
P 61 2 2