1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Garcia-Herrero, A.
Vogel, H.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
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
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
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
S
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
O
N
153
N
H
N
154
N
H
N
155
N
H
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
N
N
167
S
C
N
168
N
C
N
169
N
O
N
170
N
C
N
171
N
C
N
172
N
C
N
173
N
C
N
174
N
O
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
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
N
N
189
S
C
N
190
N
C
N
191
N
O
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
C
N
196
N
N
N
197
N
O
N
198
N
H
N
199
N
H
N
200
N
H
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
N
N
214
S
C
N
215
N
C
N
216
N
O
N
217
N
C
Y
218
N
C
Y
219
N
C
Y
220
N
C
Y
221
N
C
Y
222
N
C
Y
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
N
241
N
C
N
242
N
C
N
243
N
O
N
244
N
H
N
245
N
H
N
246
N
H
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
N
N
254
S
C
N
255
N
C
N
256
N
O
N
257
N
C
N
258
N
O
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
N
N
268
S
C
N
269
N
C
N
270
N
O
N
271
R
C
N
272
N
O
N
273
N
C
N
274
N
O
N
275
N
H
N
276
N
H
N
277
N
H
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
N
N
285
S
C
N
286
N
C
N
287
N
O
N
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
Y
292
N
N
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
N
298
N
O
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
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
N
C
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
Y
321
N
C
N
322
N
O
N
323
N
O
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
H
N
335
N
N
N
336
S
C
N
337
N
C
N
338
N
O
N
339
N
C
N
340
N
C
N
341
N
C
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
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
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
doub
N
144
N
sing
N
145
N
sing
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
doub
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
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
doub
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
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
UK
Mol.Microbiol.
MOMIEE
2007
0950-382X
58
1226
1237
10.1111/j.1365-2958.2005.04889.x
16313612
Nuclear magnetic resonance solution structure of the periplasmic signalling domain of the TonB-dependent outer membrane transporter FecA from Escherichia coli
2005
10.2210/pdb2d1u/pdb
pdb_00002d1u
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
11152.094
Iron(III) dicitrate transport protein fecA
periplasmic signaling domain
1
man
polymer
no
no
AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED
ALTVVGDWLGDARENDLEHHHHHH
AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED
ALTVVGDWLGDARENDLEHHHHHH
A
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
Escherichia
Escherichia
Escherichia coli
sample
fecA
562
Escherichia coli
469008
Escherichia coli BL21(DE3)
BL21(DE3)
plasmid
pET30a
pdbx_nmr_software
pdbx_nmr_spectrometer
pdbx_struct_assembly
pdbx_struct_oper_list
struct
struct_ref_seq_dif
chem_comp_atom
chem_comp_bond
database_2
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Structure summary
Data collection
Database references
1
0
2005-12-27
1
1
2008-04-30
1
2
2011-07-13
1
3
2020-09-09
1
4
2024-05-01
_pdbx_nmr_software.name
_pdbx_nmr_spectrometer.model
_struct.title
_struct_ref_seq_dif.details
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
PDBJ
Y
PDBJ
2005-09-01
REL
REL
The structure was determined using triple-resonance NMR spectroscopy
target function
200
20
3D_15N-separated_ROESY
3D_13C-separated_NOESY
2D NOESY
50mM sodium phosphate
6
AMBIENT
298
K
1
lowest energy
1mM NTFecA U-15N; 50mM phosphate buffer; 90% H20, 10% D2O
90% H20, 10% D2O
1mM NTFecA U-15N, 13C; 50mM phosphate buffer pH6; 90% H20, 10% D2O
90% H20, 10% D2O
1mM NTFecA U-15N; 50mM phosphate buffer; 100% D2O
100% D2O
Peter Guntert
structure solution
CYANA
2.0
Peter Guntert
refinement
CYANA
2.0
Bruce johnson
data analysis
NMRView
5.0.4
Frank delaglio
processing
NMRPipe
2.3 rev 2004.194.17.02
Bruker
collection
XwinNMR
3.0
500
Bruker
AVANCE
ALA
1
n
1
ALA
1
A
GLN
2
n
2
GLN
2
A
VAL
3
n
3
VAL
3
A
ASN
4
n
4
ASN
4
A
ILE
5
n
5
ILE
5
A
ALA
6
n
6
ALA
6
A
PRO
7
n
7
PRO
7
A
GLY
8
n
8
GLY
8
A
SER
9
n
9
SER
9
A
LEU
10
n
10
LEU
10
A
ASP
11
n
11
ASP
11
A
LYS
12
n
12
LYS
12
A
ALA
13
n
13
ALA
13
A
LEU
14
n
14
LEU
14
A
ASN
15
n
15
ASN
15
A
GLN
16
n
16
GLN
16
A
TYR
17
n
17
TYR
17
A
ALA
18
n
18
ALA
18
A
ALA
19
n
19
ALA
19
A
HIS
20
n
20
HIS
20
A
SER
21
n
21
SER
21
A
GLY
22
n
22
GLY
22
A
PHE
23
n
23
PHE
23
A
THR
24
n
24
THR
24
A
LEU
25
n
25
LEU
25
A
SER
26
n
26
SER
26
A
VAL
27
n
27
VAL
27
A
ASP
28
n
28
ASP
28
A
ALA
29
n
29
ALA
29
A
SER
30
n
30
SER
30
A
LEU
31
n
31
LEU
31
A
THR
32
n
32
THR
32
A
ARG
33
n
33
ARG
33
A
GLY
34
n
34
GLY
34
A
LYS
35
n
35
LYS
35
A
GLN
36
n
36
GLN
36
A
SER
37
n
37
SER
37
A
ASN
38
n
38
ASN
38
A
GLY
39
n
39
GLY
39
A
LEU
40
n
40
LEU
40
A
HIS
41
n
41
HIS
41
A
GLY
42
n
42
GLY
42
A
ASP
43
n
43
ASP
43
A
TYR
44
n
44
TYR
44
A
ASP
45
n
45
ASP
45
A
VAL
46
n
46
VAL
46
A
GLU
47
n
47
GLU
47
A
SER
48
n
48
SER
48
A
GLY
49
n
49
GLY
49
A
LEU
50
n
50
LEU
50
A
GLN
51
n
51
GLN
51
A
GLN
52
n
52
GLN
52
A
LEU
53
n
53
LEU
53
A
LEU
54
n
54
LEU
54
A
ASP
55
n
55
ASP
55
A
GLY
56
n
56
GLY
56
A
SER
57
n
57
SER
57
A
GLY
58
n
58
GLY
58
A
LEU
59
n
59
LEU
59
A
GLN
60
n
60
GLN
60
A
VAL
61
n
61
VAL
61
A
LYS
62
n
62
LYS
62
A
PRO
63
n
63
PRO
63
A
LEU
64
n
64
LEU
64
A
GLY
65
n
65
GLY
65
A
ASN
66
n
66
ASN
66
A
ASN
67
n
67
ASN
67
A
SER
68
n
68
SER
68
A
TRP
69
n
69
TRP
69
A
THR
70
n
70
THR
70
A
LEU
71
n
71
LEU
71
A
GLU
72
n
72
GLU
72
A
PRO
73
n
73
PRO
73
A
ALA
74
n
74
ALA
74
A
PRO
75
n
75
PRO
75
A
ALA
76
n
76
ALA
76
A
PRO
77
n
77
PRO
77
A
LYS
78
n
78
LYS
78
A
GLU
79
n
79
GLU
79
A
ASP
80
n
80
ASP
80
A
ALA
81
n
81
ALA
81
A
LEU
82
n
82
LEU
82
A
THR
83
n
83
THR
83
A
VAL
84
n
84
VAL
84
A
VAL
85
n
85
VAL
85
A
GLY
86
n
86
GLY
86
A
ASP
87
n
87
ASP
87
A
TRP
88
n
88
TRP
88
A
LEU
89
n
89
LEU
89
A
GLY
90
n
90
GLY
90
A
ASP
91
n
91
ASP
91
A
ALA
92
n
92
ALA
92
A
ARG
93
n
93
ARG
93
A
GLU
94
n
94
GLU
94
A
ASN
95
n
95
ASN
95
A
ASP
96
n
96
ASP
96
A
LEU
97
n
97
LEU
97
A
GLU
98
n
98
GLU
98
A
HIS
99
n
99
HIS
99
A
HIS
100
n
100
HIS
100
A
HIS
101
n
101
HIS
101
A
HIS
102
n
102
HIS
102
A
HIS
103
n
103
HIS
103
A
HIS
104
n
104
HIS
104
A
author_defined_assembly
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
VAL
3
A
N
VAL
3
A
O
GLY
42
A
O
GLY
42
A
N
THR
24
A
N
THR
24
A
O
TRP
69
A
O
TRP
69
A
O
GLU
72
A
O
GLU
72
A
N
GLN
60
A
N
GLN
60
1
A
PRO
7
-69.78
-164.67
1
A
SER
9
179.01
118.33
1
A
ASP
28
-58.40
97.77
1
A
ARG
33
-56.38
100.25
1
A
HIS
41
-161.15
101.43
1
A
ASP
45
-67.04
-175.05
1
A
ASN
66
-58.98
-83.19
1
A
LYS
78
-52.64
104.32
2
A
PRO
7
-69.80
-164.46
2
A
SER
9
179.85
127.82
2
A
HIS
41
-161.00
100.85
2
A
ASP
45
-60.90
-175.16
2
A
LEU
64
-124.33
-61.91
2
A
ALA
76
-49.23
160.96
2
A
LYS
78
51.51
89.27
2
A
GLU
79
-178.83
118.69
2
A
LEU
82
-106.52
74.06
2
A
LEU
89
-90.14
46.56
3
A
PRO
7
-69.80
-164.41
3
A
SER
9
-173.41
121.83
3
A
ASP
28
-51.48
102.08
3
A
HIS
41
-161.44
101.24
3
A
ASP
45
-59.18
-175.96
3
A
LEU
64
-125.14
-64.41
3
A
ASN
66
-68.74
91.34
3
A
ASP
80
-58.83
-176.95
3
A
LEU
82
-102.70
55.24
3
A
TRP
88
58.59
97.94
3
A
ASP
91
-116.51
53.77
4
A
PRO
7
-69.69
-160.85
4
A
SER
9
-179.54
117.44
4
A
ASP
28
-63.97
94.28
4
A
HIS
41
-160.69
101.01
4
A
ASP
45
-60.27
-174.74
4
A
LEU
64
-124.74
-62.38
4
A
ASN
66
-68.12
86.74
5
A
PRO
7
-69.76
-164.61
5
A
SER
9
179.44
123.14
5
A
SER
21
-90.92
-65.69
5
A
ASP
28
-57.24
97.81
5
A
HIS
41
-162.21
101.54
5
A
ASP
45
-59.65
-175.33
5
A
LEU
64
-123.54
-62.09
5
A
GLU
94
-171.73
129.80
5
A
ASN
95
-173.19
135.43
5
A
LEU
97
-166.82
116.03
5
A
GLU
98
-164.32
113.13
5
A
HIS
100
-84.21
-73.95
6
A
PRO
7
-69.79
-165.07
6
A
SER
9
179.59
121.45
6
A
ASP
28
-51.16
103.27
6
A
HIS
41
-161.36
101.31
6
A
ASP
45
-62.97
-175.14
6
A
LEU
64
-123.27
-64.28
6
A
ASN
66
-66.01
89.80
6
A
ASN
67
39.09
38.72
7
A
PRO
7
-69.70
-164.14
7
A
SER
9
179.74
113.69
7
A
ASP
28
-50.75
107.07
7
A
HIS
41
-160.89
101.14
7
A
ASP
45
-59.15
-179.43
7
A
ASN
66
-61.20
-83.52
8
A
PRO
7
-69.74
-164.91
8
A
SER
9
179.43
123.06
8
A
ASP
28
-56.22
99.45
8
A
ARG
33
-56.54
100.09
8
A
HIS
41
-161.56
102.00
8
A
ASP
45
-63.51
-174.84
8
A
ASN
66
-62.94
-82.23
8
A
ASP
80
-163.17
114.98
8
A
THR
83
-102.70
57.28
8
A
TRP
88
58.41
96.90
9
A
PRO
7
-69.74
-164.11
9
A
SER
9
178.67
104.07
9
A
ASP
28
-67.24
95.98
9
A
HIS
41
-160.78
101.13
9
A
ASP
45
-59.14
-174.88
9
A
LEU
64
-124.16
-62.22
9
A
GLU
94
-61.64
-175.78
9
A
ASP
96
-103.36
42.94
9
A
HIS
102
-130.83
-57.54
10
A
PRO
7
-69.79
-163.44
10
A
SER
9
178.99
112.68
10
A
SER
21
-90.24
-60.61
10
A
ASP
45
-57.71
-177.14
10
A
LEU
64
-123.61
-64.10
10
A
ASN
66
-66.30
89.73
10
A
ASN
67
39.12
38.60
10
A
ALA
76
62.93
160.17
11
A
PRO
7
-69.79
-164.10
11
A
SER
9
-179.98
107.37
11
A
ASP
28
-52.54
102.30
11
A
ARG
33
-57.06
102.59
11
A
HIS
41
-160.74
101.19
11
A
ASP
45
-59.46
-174.80
11
A
LEU
64
-124.98
-60.75
11
A
LYS
78
-61.68
-75.75
11
A
ALA
81
-67.75
-176.20
11
A
LEU
82
-116.20
57.09
11
A
ALA
92
-103.34
54.44
12
A
PRO
7
-69.76
-164.33
12
A
SER
9
178.87
111.82
12
A
ARG
33
-52.31
106.44
12
A
HIS
41
-160.88
101.09
12
A
ASP
45
-58.41
-176.34
12
A
LEU
64
-127.01
-59.49
12
A
ASN
66
-69.12
85.96
12
A
ASP
80
-172.67
124.48
12
A
HIS
100
-94.20
55.53
13
A
PRO
7
-69.72
-164.25
13
A
SER
9
178.29
108.24
13
A
ASP
28
-54.86
100.94
13
A
ARG
33
-60.44
95.62
13
A
HIS
41
-160.82
101.18
13
A
ASP
45
-59.91
-174.87
13
A
LEU
64
-126.27
-63.72
13
A
ASN
67
46.21
29.42
13
A
THR
83
-58.32
170.31
13
A
ASP
91
-100.39
49.92
14
A
PRO
7
-69.76
-164.58
14
A
SER
9
178.88
101.05
14
A
SER
21
-90.85
-63.83
14
A
ASP
28
-57.86
98.50
14
A
HIS
41
-161.43
101.31
14
A
ASP
45
-61.93
-175.63
14
A
LEU
64
-127.00
-64.10
14
A
VAL
85
-112.53
59.49
14
A
ASP
91
-110.24
72.54
14
A
HIS
99
-167.52
115.80
15
A
PRO
7
-69.80
-164.85
15
A
SER
9
179.29
105.40
15
A
ARG
33
-51.66
108.92
15
A
HIS
41
-161.49
101.57
15
A
ASP
45
-61.06
-175.62
15
A
LEU
64
-123.54
-64.36
15
A
ASN
66
-67.61
86.47
15
A
LEU
97
-113.33
71.33
15
A
GLU
98
-100.77
59.25
15
A
HIS
102
38.59
42.45
16
A
PRO
7
-69.79
-163.94
16
A
SER
9
178.69
106.92
16
A
SER
21
-90.21
-63.89
16
A
ARG
33
-50.98
103.59
16
A
HIS
41
-161.45
101.17
16
A
ASP
45
-57.71
179.30
16
A
LEU
64
-124.49
-64.47
16
A
ASN
66
-66.32
89.69
16
A
ASN
67
39.46
37.68
16
A
ALA
81
-132.76
-40.83
16
A
GLU
94
56.74
74.94
16
A
ASN
95
51.50
70.74
17
A
PRO
7
-69.75
-163.17
17
A
SER
9
179.67
110.09
17
A
ASP
28
-61.51
94.89
17
A
HIS
41
-160.52
101.21
17
A
ASP
45
-58.62
-175.38
17
A
LEU
64
-124.50
-62.42
17
A
GLU
79
-174.68
95.51
17
A
VAL
85
-64.42
-179.14
17
A
HIS
103
-119.90
67.50
18
A
PRO
7
-69.78
-163.14
18
A
SER
9
178.28
130.88
18
A
HIS
41
-160.75
101.48
18
A
ASP
45
-58.90
-174.85
18
A
ASN
66
-62.68
-82.16
18
A
LYS
78
-53.88
103.36
18
A
ASP
91
-116.18
51.27
19
A
PRO
7
-69.76
-164.47
19
A
SER
9
179.45
111.14
19
A
ASP
28
-50.80
103.67
19
A
ARG
33
-45.47
-75.58
19
A
HIS
41
-160.59
101.08
19
A
ASP
45
-58.08
-176.37
19
A
ASN
66
66.69
63.20
19
A
ALA
81
-100.47
56.84
19
A
ASN
95
-58.34
170.32
20
A
PRO
7
-69.73
-164.33
20
A
SER
9
178.84
122.15
20
A
ARG
33
-48.82
104.67
20
A
HIS
41
-160.87
101.02
20
A
ASP
45
-67.20
-176.89
20
A
ASN
66
-65.93
-81.33
20
A
LYS
78
38.72
39.88
20
A
TRP
88
-174.96
148.61
20
A
LEU
89
-101.86
-73.83
Solution structure of the periplasmic signaling domain of FecA from Escherichia coli
1
N
N
A
SER
9
A
SER
9
HELX_P
A
GLY
22
A
GLY
22
1
1
14
A
ASP
28
A
ASP
28
HELX_P
A
ARG
33
A
ARG
33
1
2
6
A
ASP
45
A
ASP
45
HELX_P
A
LEU
54
A
LEU
54
1
3
10
METAL TRANSPORT
FecA, Surface signaling, Iron-uptake, METAL TRANSPORT
FECA_ECOLI
UNP
1
34
P13036
AQVNIAPGSLDKALNQYAAHSGFTLSVDASLTRGKQSNGLHGDYDVESGLQQLLDGSGLQVKPLGNNSWTLEPAPAPKED
ALTVVGDWLGDAREND
34
129
2D1U
1
96
P13036
A
1
1
96
1
expression tag
LEU
97
2D1U
A
P13036
UNP
97
1
expression tag
GLU
98
2D1U
A
P13036
UNP
98
1
expression tag
HIS
99
2D1U
A
P13036
UNP
99
1
expression tag
HIS
100
2D1U
A
P13036
UNP
100
1
expression tag
HIS
101
2D1U
A
P13036
UNP
101
1
expression tag
HIS
102
2D1U
A
P13036
UNP
102
1
expression tag
HIS
103
2D1U
A
P13036
UNP
103
1
expression tag
HIS
104
2D1U
A
P13036
UNP
104
2
3
anti-parallel
parallel
anti-parallel
A
GLN
2
A
GLN
2
A
ASN
4
A
ASN
4
A
HIS
41
A
HIS
41
A
ASP
43
A
ASP
43
A
THR
24
A
THR
24
A
LEU
25
A
LEU
25
A
SER
68
A
SER
68
A
PRO
73
A
PRO
73
A
LEU
59
A
LEU
59
A
PRO
63
A
PRO
63
1
P 1