0.015681
0.000000
0.000000
0.000000
0.011583
0.000000
0.000000
0.000000
0.037665
0.000000
0.000000
0.000000
Chang, C.
Mooser, A.
Pluckthun, A.
Wlodawer, A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
63.770
86.330
26.550
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
Br -1
79.904
BROMIDE ION
non-polymer
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
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
BR
N
75
N
N
N
76
S
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
C
N
81
N
C
N
82
N
O
N
83
N
N
N
84
N
O
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
H
N
95
N
N
N
96
S
C
N
97
N
C
N
98
N
O
N
99
N
C
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
O
N
104
N
O
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
N
N
115
N
C
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
O
N
125
N
H
N
126
N
H
N
127
N
N
N
128
S
C
N
129
N
C
N
130
N
O
N
131
S
C
N
132
N
C
N
133
N
C
N
134
N
C
N
135
N
O
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
H
N
145
N
H
N
146
N
H
N
147
N
H
N
148
N
H
N
149
N
N
N
150
S
C
N
151
N
C
N
152
N
O
N
153
N
C
N
154
N
C
N
155
N
C
N
156
N
C
N
157
N
O
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
H
N
170
N
H
N
171
N
N
N
172
S
C
N
173
N
C
N
174
N
O
N
175
N
C
N
176
N
C
N
177
N
C
N
178
N
C
N
179
N
N
N
180
N
O
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
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
N
N
197
S
C
N
198
N
C
N
199
N
O
N
200
N
C
N
201
N
C
N
202
N
S
N
203
N
C
N
204
N
O
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
sing
N
123
N
sing
N
124
N
doub
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
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
sing
N
188
N
sing
N
189
N
sing
N
190
N
doub
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
doub
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
Y
214
N
doub
Y
215
N
sing
Y
216
N
sing
N
217
N
sing
Y
218
N
doub
N
219
N
sing
Y
220
N
doub
N
221
N
sing
Y
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
sing
N
231
N
sing
N
232
N
doub
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
doub
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
doub
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
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
doub
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
Y
283
N
doub
Y
284
N
sing
Y
285
N
sing
N
286
N
sing
Y
287
N
doub
Y
288
N
sing
Y
289
N
sing
N
290
N
sing
Y
291
N
sing
Y
292
N
doub
N
293
N
sing
Y
294
N
doub
N
295
N
sing
Y
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
doub
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
Y
311
N
doub
Y
312
N
sing
Y
313
N
sing
N
314
N
sing
Y
315
N
doub
N
316
N
sing
Y
317
N
doub
N
318
N
sing
Y
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
sing
N
328
N
sing
N
329
N
sing
N
330
N
doub
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
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
276
27535
27540
10.1074/jbc.M102778200
11328822
Crystal structure of the dimeric C-terminal domain of TonB reveals a novel fold.
2001
10.2210/pdb1ihr/pdb
pdb_00001ihr
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
100
1
FOCUSSING MIRROR
CCD
2000-11-05
ADSC QUANTUM 4
SI(111) DOUBLE CRYSTAL
MAD
M
x-ray
1
0.9800
1.0
0.9163
1.0
0.9196
1.0
0.9199
1.0
X9B
NSLS
0.9800, 0.9163, 0.9196, 0.9199
SYNCHROTRON
NSLS BEAMLINE X9B
8563.893
TonB protein
C-terminal domain residues 164-239
2
man
polymer
79.904
BROMIDE ION
4
syn
non-polymer
18.015
water
219
nat
water
no
no
PARAQALRIEGQVKVKFDVTPDGRVDNVQILSAKPANMFEREVKNAMRRWRYEPGKPGSGIVVNILFKINGTTEIQ
PARAQALRIEGQVKVKFDVTPDGRVDNVQILSAKPANMFEREVKNAMRRWRYEPGKPGSGIVVNILFKINGTTEIQ
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
Escherichia
Escherichia
sample
JM83
562
Escherichia coli
562
Escherichia coli
XLI-Blue
PLASMID
pAT37
1
1.89
35.1
VAPOR DIFFUSION, HANGING DROP
7.5
PEG 3350, Tris, CaCl2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
295
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
1
0
2001-08-01
1
1
2008-04-27
1
2
2011-07-13
1
3
2024-02-07
_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
RCSB
Y
RCSB
2001-04-20
REL
REL
BR
BROMIDE ION
HOH
water
IUM
1
2
BR
BR
301
A
IUM
2
2
BR
BR
302
A
IUM
3
2
BR
BR
303
B
IUM
4
2
BR
BR
304
B
HOH
1
3
HOH
HOH
303
A
HOH
2
3
HOH
HOH
304
A
HOH
4
3
HOH
HOH
305
A
HOH
5
3
HOH
HOH
306
A
HOH
10
3
HOH
HOH
307
A
HOH
12
3
HOH
HOH
308
A
HOH
13
3
HOH
HOH
309
A
HOH
15
3
HOH
HOH
310
A
HOH
18
3
HOH
HOH
311
A
HOH
19
3
HOH
HOH
312
A
HOH
20
3
HOH
HOH
313
A
HOH
22
3
HOH
HOH
314
A
HOH
24
3
HOH
HOH
315
A
HOH
25
3
HOH
HOH
316
A
HOH
28
3
HOH
HOH
317
A
HOH
30
3
HOH
HOH
318
A
HOH
31
3
HOH
HOH
319
A
HOH
32
3
HOH
HOH
320
A
HOH
36
3
HOH
HOH
321
A
HOH
37
3
HOH
HOH
322
A
HOH
44
3
HOH
HOH
323
A
HOH
47
3
HOH
HOH
324
A
HOH
48
3
HOH
HOH
325
A
HOH
50
3
HOH
HOH
326
A
HOH
51
3
HOH
HOH
327
A
HOH
52
3
HOH
HOH
328
A
HOH
55
3
HOH
HOH
329
A
HOH
58
3
HOH
HOH
330
A
HOH
61
3
HOH
HOH
331
A
HOH
65
3
HOH
HOH
332
A
HOH
68
3
HOH
HOH
333
A
HOH
70
3
HOH
HOH
334
A
HOH
72
3
HOH
HOH
335
A
HOH
76
3
HOH
HOH
336
A
HOH
77
3
HOH
HOH
337
A
HOH
78
3
HOH
HOH
338
A
HOH
80
3
HOH
HOH
339
A
HOH
83
3
HOH
HOH
340
A
HOH
85
3
HOH
HOH
341
A
HOH
88
3
HOH
HOH
342
A
HOH
89
3
HOH
HOH
343
A
HOH
93
3
HOH
HOH
344
A
HOH
96
3
HOH
HOH
345
A
HOH
98
3
HOH
HOH
346
A
HOH
99
3
HOH
HOH
347
A
HOH
100
3
HOH
HOH
348
A
HOH
101
3
HOH
HOH
349
A
HOH
102
3
HOH
HOH
350
A
HOH
106
3
HOH
HOH
351
A
HOH
107
3
HOH
HOH
352
A
HOH
108
3
HOH
HOH
353
A
HOH
114
3
HOH
HOH
354
A
HOH
115
3
HOH
HOH
355
A
HOH
116
3
HOH
HOH
356
A
HOH
117
3
HOH
HOH
357
A
HOH
118
3
HOH
HOH
358
A
HOH
119
3
HOH
HOH
359
A
HOH
120
3
HOH
HOH
360
A
HOH
124
3
HOH
HOH
361
A
HOH
126
3
HOH
HOH
362
A
HOH
129
3
HOH
HOH
363
A
HOH
130
3
HOH
HOH
364
A
HOH
133
3
HOH
HOH
365
A
HOH
137
3
HOH
HOH
366
A
HOH
139
3
HOH
HOH
367
A
HOH
140
3
HOH
HOH
368
A
HOH
141
3
HOH
HOH
369
A
HOH
142
3
HOH
HOH
370
A
HOH
143
3
HOH
HOH
371
A
HOH
148
3
HOH
HOH
372
A
HOH
149
3
HOH
HOH
373
A
HOH
150
3
HOH
HOH
374
A
HOH
151
3
HOH
HOH
375
A
HOH
153
3
HOH
HOH
376
A
HOH
154
3
HOH
HOH
377
A
HOH
155
3
HOH
HOH
378
A
HOH
156
3
HOH
HOH
379
A
HOH
157
3
HOH
HOH
380
A
HOH
158
3
HOH
HOH
381
A
HOH
162
3
HOH
HOH
382
A
HOH
163
3
HOH
HOH
383
A
HOH
164
3
HOH
HOH
384
A
HOH
166
3
HOH
HOH
385
A
HOH
168
3
HOH
HOH
386
A
HOH
169
3
HOH
HOH
387
A
HOH
170
3
HOH
HOH
388
A
HOH
171
3
HOH
HOH
389
A
HOH
172
3
HOH
HOH
390
A
HOH
174
3
HOH
HOH
391
A
HOH
175
3
HOH
HOH
392
A
HOH
176
3
HOH
HOH
393
A
HOH
177
3
HOH
HOH
394
A
HOH
183
3
HOH
HOH
395
A
HOH
184
3
HOH
HOH
396
A
HOH
186
3
HOH
HOH
397
A
HOH
190
3
HOH
HOH
398
A
HOH
191
3
HOH
HOH
399
A
HOH
194
3
HOH
HOH
400
A
HOH
196
3
HOH
HOH
401
A
HOH
197
3
HOH
HOH
402
A
HOH
199
3
HOH
HOH
403
A
HOH
200
3
HOH
HOH
404
A
HOH
201
3
HOH
HOH
405
A
HOH
204
3
HOH
HOH
406
A
HOH
209
3
HOH
HOH
407
A
HOH
210
3
HOH
HOH
408
A
HOH
212
3
HOH
HOH
409
A
HOH
214
3
HOH
HOH
410
A
HOH
215
3
HOH
HOH
411
A
HOH
216
3
HOH
HOH
412
A
HOH
217
3
HOH
HOH
413
A
HOH
3
3
HOH
HOH
305
B
HOH
6
3
HOH
HOH
306
B
HOH
7
3
HOH
HOH
307
B
HOH
8
3
HOH
HOH
308
B
HOH
9
3
HOH
HOH
309
B
HOH
11
3
HOH
HOH
310
B
HOH
14
3
HOH
HOH
311
B
HOH
16
3
HOH
HOH
312
B
HOH
17
3
HOH
HOH
313
B
HOH
21
3
HOH
HOH
314
B
HOH
23
3
HOH
HOH
315
B
HOH
26
3
HOH
HOH
316
B
HOH
27
3
HOH
HOH
317
B
HOH
29
3
HOH
HOH
318
B
HOH
33
3
HOH
HOH
319
B
HOH
34
3
HOH
HOH
320
B
HOH
35
3
HOH
HOH
321
B
HOH
38
3
HOH
HOH
322
B
HOH
39
3
HOH
HOH
323
B
HOH
40
3
HOH
HOH
324
B
HOH
41
3
HOH
HOH
325
B
HOH
42
3
HOH
HOH
326
B
HOH
43
3
HOH
HOH
327
B
HOH
45
3
HOH
HOH
328
B
HOH
46
3
HOH
HOH
329
B
HOH
49
3
HOH
HOH
330
B
HOH
53
3
HOH
HOH
331
B
HOH
54
3
HOH
HOH
332
B
HOH
56
3
HOH
HOH
333
B
HOH
57
3
HOH
HOH
334
B
HOH
59
3
HOH
HOH
335
B
HOH
60
3
HOH
HOH
336
B
HOH
62
3
HOH
HOH
337
B
HOH
63
3
HOH
HOH
338
B
HOH
64
3
HOH
HOH
339
B
HOH
66
3
HOH
HOH
340
B
HOH
67
3
HOH
HOH
341
B
HOH
69
3
HOH
HOH
342
B
HOH
71
3
HOH
HOH
343
B
HOH
73
3
HOH
HOH
344
B
HOH
74
3
HOH
HOH
345
B
HOH
75
3
HOH
HOH
346
B
HOH
79
3
HOH
HOH
347
B
HOH
81
3
HOH
HOH
348
B
HOH
82
3
HOH
HOH
349
B
HOH
84
3
HOH
HOH
350
B
HOH
86
3
HOH
HOH
351
B
HOH
87
3
HOH
HOH
352
B
HOH
90
3
HOH
HOH
353
B
HOH
91
3
HOH
HOH
354
B
HOH
92
3
HOH
HOH
355
B
HOH
94
3
HOH
HOH
356
B
HOH
95
3
HOH
HOH
357
B
HOH
97
3
HOH
HOH
358
B
HOH
103
3
HOH
HOH
359
B
HOH
104
3
HOH
HOH
360
B
HOH
105
3
HOH
HOH
361
B
HOH
109
3
HOH
HOH
362
B
HOH
110
3
HOH
HOH
363
B
HOH
111
3
HOH
HOH
364
B
HOH
112
3
HOH
HOH
365
B
HOH
113
3
HOH
HOH
366
B
HOH
121
3
HOH
HOH
367
B
HOH
122
3
HOH
HOH
368
B
HOH
123
3
HOH
HOH
369
B
HOH
125
3
HOH
HOH
370
B
HOH
127
3
HOH
HOH
371
B
HOH
128
3
HOH
HOH
372
B
HOH
131
3
HOH
HOH
373
B
HOH
132
3
HOH
HOH
374
B
HOH
134
3
HOH
HOH
375
B
HOH
135
3
HOH
HOH
376
B
HOH
136
3
HOH
HOH
377
B
HOH
138
3
HOH
HOH
378
B
HOH
144
3
HOH
HOH
379
B
HOH
145
3
HOH
HOH
380
B
HOH
146
3
HOH
HOH
381
B
HOH
147
3
HOH
HOH
382
B
HOH
152
3
HOH
HOH
383
B
HOH
159
3
HOH
HOH
384
B
HOH
160
3
HOH
HOH
385
B
HOH
161
3
HOH
HOH
386
B
HOH
165
3
HOH
HOH
387
B
HOH
167
3
HOH
HOH
388
B
HOH
173
3
HOH
HOH
389
B
HOH
178
3
HOH
HOH
390
B
HOH
179
3
HOH
HOH
391
B
HOH
180
3
HOH
HOH
392
B
HOH
181
3
HOH
HOH
393
B
HOH
182
3
HOH
HOH
394
B
HOH
185
3
HOH
HOH
395
B
HOH
187
3
HOH
HOH
396
B
HOH
188
3
HOH
HOH
397
B
HOH
189
3
HOH
HOH
398
B
HOH
192
3
HOH
HOH
399
B
HOH
193
3
HOH
HOH
400
B
HOH
195
3
HOH
HOH
401
B
HOH
198
3
HOH
HOH
402
B
HOH
202
3
HOH
HOH
403
B
HOH
203
3
HOH
HOH
404
B
HOH
205
3
HOH
HOH
405
B
HOH
206
3
HOH
HOH
406
B
HOH
207
3
HOH
HOH
407
B
HOH
208
3
HOH
HOH
408
B
HOH
211
3
HOH
HOH
409
B
HOH
213
3
HOH
HOH
410
B
HOH
218
3
HOH
HOH
411
B
HOH
219
3
HOH
HOH
412
B
n
1
164
A
ALA
165
n
2
ALA
165
A
ARG
166
n
3
ARG
166
A
ALA
167
n
4
ALA
167
A
GLN
168
n
5
GLN
168
A
ALA
169
n
6
ALA
169
A
LEU
170
n
7
LEU
170
A
ARG
171
n
8
ARG
171
A
ILE
172
n
9
ILE
172
A
GLU
173
n
10
GLU
173
A
GLY
174
n
11
GLY
174
A
GLN
175
n
12
GLN
175
A
VAL
176
n
13
VAL
176
A
LYS
177
n
14
LYS
177
A
VAL
178
n
15
VAL
178
A
LYS
179
n
16
LYS
179
A
PHE
180
n
17
PHE
180
A
ASP
181
n
18
ASP
181
A
VAL
182
n
19
VAL
182
A
THR
183
n
20
THR
183
A
PRO
184
n
21
PRO
184
A
ASP
185
n
22
ASP
185
A
GLY
186
n
23
GLY
186
A
ARG
187
n
24
ARG
187
A
VAL
188
n
25
VAL
188
A
ASP
189
n
26
ASP
189
A
ASN
190
n
27
ASN
190
A
VAL
191
n
28
VAL
191
A
GLN
192
n
29
GLN
192
A
ILE
193
n
30
ILE
193
A
LEU
194
n
31
LEU
194
A
SER
195
n
32
SER
195
A
ALA
196
n
33
ALA
196
A
LYS
197
n
34
LYS
197
A
PRO
198
n
35
PRO
198
A
ALA
199
n
36
ALA
199
A
ASN
200
n
37
ASN
200
A
MET
201
n
38
MET
201
A
PHE
202
n
39
PHE
202
A
GLU
203
n
40
GLU
203
A
ARG
204
n
41
ARG
204
A
GLU
205
n
42
GLU
205
A
VAL
206
n
43
VAL
206
A
LYS
207
n
44
LYS
207
A
ASN
208
n
45
ASN
208
A
ALA
209
n
46
ALA
209
A
MET
210
n
47
MET
210
A
ARG
211
n
48
ARG
211
A
ARG
212
n
49
ARG
212
A
TRP
213
n
50
TRP
213
A
ARG
214
n
51
ARG
214
A
TYR
215
n
52
TYR
215
A
GLU
216
n
53
GLU
216
A
PRO
217
n
54
PRO
217
A
GLY
218
n
55
GLY
218
A
LYS
219
n
56
LYS
219
A
PRO
220
n
57
PRO
220
A
GLY
221
n
58
GLY
221
A
SER
222
n
59
SER
222
A
GLY
223
n
60
GLY
223
A
ILE
224
n
61
ILE
224
A
VAL
225
n
62
VAL
225
A
VAL
226
n
63
VAL
226
A
ASN
227
n
64
ASN
227
A
ILE
228
n
65
ILE
228
A
LEU
229
n
66
LEU
229
A
PHE
230
n
67
PHE
230
A
LYS
231
n
68
LYS
231
A
ILE
232
n
69
ILE
232
A
ASN
233
n
70
ASN
233
A
GLY
234
n
71
GLY
234
A
THR
235
n
72
THR
235
A
THR
236
n
73
THR
236
A
GLU
237
n
74
GLU
237
A
n
75
238
A
n
76
239
A
n
1
164
B
ALA
165
n
2
ALA
165
B
ARG
166
n
3
ARG
166
B
ALA
167
n
4
ALA
167
B
GLN
168
n
5
GLN
168
B
ALA
169
n
6
ALA
169
B
LEU
170
n
7
LEU
170
B
ARG
171
n
8
ARG
171
B
ILE
172
n
9
ILE
172
B
GLU
173
n
10
GLU
173
B
GLY
174
n
11
GLY
174
B
GLN
175
n
12
GLN
175
B
VAL
176
n
13
VAL
176
B
LYS
177
n
14
LYS
177
B
VAL
178
n
15
VAL
178
B
LYS
179
n
16
LYS
179
B
PHE
180
n
17
PHE
180
B
ASP
181
n
18
ASP
181
B
VAL
182
n
19
VAL
182
B
THR
183
n
20
THR
183
B
PRO
184
n
21
PRO
184
B
ASP
185
n
22
ASP
185
B
GLY
186
n
23
GLY
186
B
ARG
187
n
24
ARG
187
B
VAL
188
n
25
VAL
188
B
ASP
189
n
26
ASP
189
B
ASN
190
n
27
ASN
190
B
VAL
191
n
28
VAL
191
B
GLN
192
n
29
GLN
192
B
ILE
193
n
30
ILE
193
B
LEU
194
n
31
LEU
194
B
SER
195
n
32
SER
195
B
ALA
196
n
33
ALA
196
B
LYS
197
n
34
LYS
197
B
PRO
198
n
35
PRO
198
B
ALA
199
n
36
ALA
199
B
ASN
200
n
37
ASN
200
B
MET
201
n
38
MET
201
B
PHE
202
n
39
PHE
202
B
GLU
203
n
40
GLU
203
B
ARG
204
n
41
ARG
204
B
GLU
205
n
42
GLU
205
B
VAL
206
n
43
VAL
206
B
LYS
207
n
44
LYS
207
B
ASN
208
n
45
ASN
208
B
ALA
209
n
46
ALA
209
B
MET
210
n
47
MET
210
B
ARG
211
n
48
ARG
211
B
ARG
212
n
49
ARG
212
B
TRP
213
n
50
TRP
213
B
ARG
214
n
51
ARG
214
B
TYR
215
n
52
TYR
215
B
GLU
216
n
53
GLU
216
B
PRO
217
n
54
PRO
217
B
GLY
218
n
55
GLY
218
B
LYS
219
n
56
LYS
219
B
PRO
220
n
57
PRO
220
B
GLY
221
n
58
GLY
221
B
SER
222
n
59
SER
222
B
GLY
223
n
60
GLY
223
B
ILE
224
n
61
ILE
224
B
VAL
225
n
62
VAL
225
B
VAL
226
n
63
VAL
226
B
ASN
227
n
64
ASN
227
B
ILE
228
n
65
ILE
228
B
LEU
229
n
66
LEU
229
B
PHE
230
n
67
PHE
230
B
LYS
231
n
68
LYS
231
B
ILE
232
n
69
ILE
232
B
ASN
233
n
70
ASN
233
B
GLY
234
n
71
GLY
234
B
THR
235
n
72
THR
235
B
THR
236
n
73
THR
236
B
GLU
237
n
74
GLU
237
B
ILE
238
n
75
ILE
238
B
n
76
239
B
0.1634000
0.1657000
0.1576000
0.1599000
0.2257000
0.2300000
1023
1076
5.2
5.3
19525
author_and_software_defined_assembly
PISA
2
dimeric
6610
-40
8890
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
LEU
194
A
N
LEU
31
A
O
LYS
177
A
O
LYS
14
A
N
VAL
182
A
N
VAL
19
B
O
GLY
221
B
O
GLY
58
B
O
THR
235
B
O
THR
72
A
N
LEU
229
A
N
LEU
66
A
N
GLY
234
A
N
GLY
71
B
O
LEU
170
B
O
LEU
7
B
N
ASP
181
B
N
ASP
18
B
O
ASP
189
B
O
ASP
26
1
A
HOH
336
G
HOH
1
A
PRO
164
A
PRO
1
1
Y
1
A
ILE
238
A
ILE
75
1
Y
1
A
GLN
239
A
GLN
76
1
Y
1
B
PRO
164
B
PRO
1
1
Y
1
B
GLN
239
B
GLN
76
1
Y
1
15.80
2.30
115.30
131.10
A
A
A
CA
CB
CG
LEU
LEU
LEU
170
170
170
N
1
8.76
1.40
123.60
132.36
A
A
A
CD
NE
CZ
ARG
ARG
ARG
187
187
187
B
B
N
1
-3.08
0.50
120.30
117.22
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
187
187
187
B
B
B
N
1
14.51
1.40
123.60
138.11
A
A
A
CD
NE
CZ
ARG
ARG
ARG
211
211
211
N
1
5.35
0.50
120.30
125.65
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
212
212
212
N
1
-3.06
0.50
120.30
117.24
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
214
214
214
N
1
-9.73
1.10
119.40
109.67
B
B
B
NH1
CZ
NH2
ARG
ARG
ARG
187
187
187
B
B
B
N
1
-3.11
0.50
120.30
117.19
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
187
187
187
A
A
A
N
1
-5.75
0.50
120.30
114.55
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
187
187
187
B
B
B
N
1
15.47
0.50
120.30
135.77
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
187
187
187
B
B
B
N
1
4.27
0.50
120.30
124.57
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
211
211
211
N
1
B
ALA
199
-34.72
166.53
0.2300000
0.1599000
0.1657000
0.1657000
1.55
20.00
12576
1076
20365
20365
14847
5.3
92.3
RANDOM
1
FREE R
0.0
0.0
MAD
ENGH AND HUBER
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228
0.16
20.0
4
0.
1384.50
1.55
20.00
219
1397
4
0
1174
0.009
0.028
0.000
0.0236
0.041
0.054
0.011
0.003
0.067
0.079
19.6
1.55
30
1IHR
22232
21518
-1.0
-1.0
0.0270000
1
40.5
6.5
96.8
0.1100000
1.55
1.60
6.8
1745
2.3
80.2
phasing
SOLVE
refinement
SHELXL-97
data reduction
DENZO
data scaling
SCALEPACK
Crystal structure of the dimeric C-terminal domain of TonB
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
ASN
200
A
ASN
37
HELX_P
A
MET
210
A
MET
47
1
1
11
A
ARG
211
A
ARG
48
HELX_P
A
TRP
213
A
TRP
50
5
2
3
B
ASN
200
B
ASN
37
HELX_P
B
ARG
211
B
ARG
48
1
3
12
PROTEIN TRANSPORT
novel fold, intertwined dimer, PROTEIN TRANSPORT
TONB_ECOLI
UNP
1
164
P02929
PARAQALRIEGQVKVKFDVTPDGRVDNVQILSAKPANMFEREVKNAMRRWRYEPGKPGSGIVVNILFKINGTTEIQ
164
239
1IHR
164
239
P02929
A
1
1
76
164
239
1IHR
164
239
P02929
B
1
1
76
6
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
VAL
188
A
VAL
25
A
LEU
194
A
LEU
31
A
ALA
169
A
ALA
6
A
VAL
182
A
VAL
19
B
GLY
221
B
GLY
58
B
THR
236
B
THR
73
A
GLY
221
A
GLY
58
A
THR
236
A
THR
73
B
ALA
169
B
ALA
6
B
VAL
182
B
VAL
19
B
VAL
188
B
VAL
25
B
LEU
194
B
LEU
31
BINDING SITE FOR RESIDUE BR A 301
A
BR
301
Software
3
BINDING SITE FOR RESIDUE BR A 302
A
BR
302
Software
2
BINDING SITE FOR RESIDUE BR B 303
B
BR
303
Software
3
BINDING SITE FOR RESIDUE BR B 304
B
BR
304
Software
3
A
ARG
166
A
ARG
3
3
1_555
A
GLU
216
A
GLU
53
3
1_555
A
HOH
365
G
HOH
3
1_555
A
ARG
212
A
ARG
49
2
1_555
A
HOH
334
G
HOH
2
1_555
A
GLY
174
A
GLY
11
3
1_556
A
GLN
175
A
GLN
12
3
1_556
B
HOH
356
H
HOH
3
1_555
B
ARG
166
B
ARG
3
3
1_555
B
TYR
215
B
TYR
52
3
1_555
B
GLU
216
B
GLU
53
3
1_555
18
P 21 21 2