0.014881
0.000000
0.005505
0.000000
0.016722
0.000000
0.000000
0.000000
0.022589
0.00000
0.00000
0.00000
Yeh, A.P.
Ambroggio, X.I.
Andrade, S.L.A.
Einsle, O.
Chatelet, C.
Meyer, J.
Rees, D.C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
110.30
90.00
67.200
59.800
47.200
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
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
Fe2 S2
175.820
FE2/S2 (INORGANIC) CLUSTER
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
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
O4 S -2
96.063
SULFATE ION
non-polymer
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
Zn 2
65.409
ZINC ION
non-polymer
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
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
FE
N
89
N
FE
N
90
N
S
N
91
N
S
N
92
N
N
N
93
S
C
N
94
N
C
N
95
N
O
N
96
N
C
N
97
N
C
N
98
N
C
N
99
N
O
N
100
N
N
N
101
N
O
N
102
N
H
N
103
N
H
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
N
N
113
S
C
N
114
N
C
N
115
N
O
N
116
N
C
N
117
N
C
N
118
N
C
N
119
N
O
N
120
N
O
N
121
N
O
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
N
N
132
N
C
N
133
N
C
N
134
N
O
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
N
N
142
S
C
N
143
N
C
N
144
N
O
N
145
N
C
Y
146
N
C
Y
147
N
N
Y
148
N
C
Y
149
N
C
Y
150
N
N
N
151
N
O
N
152
N
H
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
O
N
163
N
H
N
164
N
H
N
165
N
N
N
166
S
C
N
167
N
C
N
168
N
O
N
169
S
C
N
170
N
C
N
171
N
C
N
172
N
C
N
173
N
O
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
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
N
N
188
S
C
N
189
N
C
N
190
N
O
N
191
N
C
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
O
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
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
N
N
210
S
C
N
211
N
C
N
212
N
O
N
213
N
C
N
214
N
C
N
215
N
C
N
216
N
C
N
217
N
N
N
218
N
O
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
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
N
N
235
S
C
N
236
N
C
N
237
N
O
N
238
N
C
N
239
N
C
N
240
N
S
N
241
N
C
N
242
N
O
N
243
N
H
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
H
N
254
N
N
N
255
S
C
N
256
N
C
N
257
N
O
N
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
Y
262
N
C
Y
263
N
C
Y
264
N
C
N
265
N
O
N
266
N
H
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
H
N
277
N
N
N
278
S
C
N
279
N
C
N
280
N
O
N
281
N
C
N
282
N
C
N
283
N
C
N
284
N
O
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
N
N
295
S
C
N
296
N
C
N
297
N
O
N
298
N
C
N
299
N
O
N
300
N
O
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
S
N
309
N
O
N
310
N
O
N
311
N
O
N
312
N
O
N
313
N
N
N
314
S
C
N
315
N
C
N
316
N
O
N
317
R
C
N
318
N
O
N
319
N
C
N
320
N
O
N
321
N
H
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
N
N
331
S
C
N
332
N
C
N
333
N
O
N
334
N
C
Y
335
N
C
Y
336
N
C
Y
337
N
C
Y
338
N
N
Y
339
N
C
Y
340
N
C
Y
341
N
C
Y
342
N
C
Y
343
N
C
N
344
N
O
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
354
N
H
N
355
N
H
N
356
N
H
N
357
N
N
N
358
S
C
N
359
N
C
N
360
N
O
N
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
Y
367
N
C
N
368
N
O
N
369
N
O
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
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
N
N
382
S
C
N
383
N
C
N
384
N
O
N
385
N
C
N
386
N
C
N
387
N
C
N
388
N
O
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
H
N
399
N
H
N
400
N
ZN
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
sing
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
doub
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
doub
N
102
N
sing
N
103
N
sing
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
doub
N
113
N
sing
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
doub
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
doub
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
doub
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
Y
144
N
sing
Y
145
N
doub
Y
146
N
doub
N
147
N
sing
Y
148
N
sing
N
149
N
sing
Y
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
doub
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
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
doub
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
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
doub
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
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
doub
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
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
doub
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
Y
252
N
doub
Y
253
N
sing
Y
254
N
sing
N
255
N
sing
Y
256
N
doub
N
257
N
sing
Y
258
N
doub
N
259
N
sing
Y
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
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
doub
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
doub
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
doub
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
doub
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
Y
325
N
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
doub
Y
330
N
sing
Y
331
N
sing
N
332
N
sing
Y
333
N
sing
Y
334
N
doub
N
335
N
sing
Y
336
N
doub
N
337
N
sing
Y
338
N
sing
N
339
N
sing
N
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
doub
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
Y
353
N
doub
Y
354
N
sing
Y
355
N
sing
N
356
N
sing
Y
357
N
doub
N
358
N
sing
Y
359
N
doub
N
360
N
sing
Y
361
N
sing
N
362
N
sing
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
doub
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
34499
34507
10.1074/jbc.M205096200
12089152
High-resolution crystal structures of the wild type and
Cys-55-->Ser and Cys-59-->Ser variants of the thioredoxin-like
[2Fe-2S] ferredoxin from Aquifex aeolicus
2002
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
300
587
595
10.1006/jmbi.2000.3871
Structure of a thioredoxin-like [2Fe-2S] ferredoxin from Aquifex aeolicus
2000
10.2210/pdb1m2a/pdb
pdb_00001m2a
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
2002-02-18
ADSC QUANTUM 315
graphite
SINGLE WAVELENGTH
M
x-ray
1
0.9918
1.0
BL9-2
SSRL
0.9918
SYNCHROTRON
SSRL BEAMLINE BL9-2
12206.156
[2Fe-2S] ferredoxin
2
man
polymer
65.409
ZINC ION
4
syn
non-polymer
175.820
FE2/S2 (INORGANIC) CLUSTER
2
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
18.015
water
187
nat
water
AaFd4
no
no
AEFKHVFVCVQDRPPGHPQGSCAQRGSREVFQAFMEKIQTDPQLFMTTVITPTGCMNACMMGPVVVVYPDGVWYGQVKPE
DVDEIVEKHLKGGEPVERLVISKGKPPGMF
AEFKHVFVCVQDRPPGHPQGSCAQRGSREVFQAFMEKIQTDPQLFMTTVITPTGCMNACMMGPVVVVYPDGVWYGQVKPE
DVDEIVEKHLKGGEPVERLVISKGKPPGMF
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Aquifex
Escherichia
sample
Fdx4
63363
Aquifex aeolicus
562
Escherichia coli
K38
plasmid
pT7-7
1
1.82
32.42
VAPOR DIFFUSION, SITTING DROP
6.5
zinc sulfate heptahydrate, MES buffer, polyethylene glycol monomethyl ether 550, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
298
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2002-09-18
1
1
2008-04-28
1
2
2011-07-13
1
3
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr1_symmetry
_pdbx_struct_conn_angle.ptnr2_auth_asym_id
_pdbx_struct_conn_angle.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr2_label_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.ptnr3_symmetry
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr1_symmetry
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_conn.ptnr2_symmetry
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
1F37 is the same wild type protein, but its crystal structure was determined using a different
crystal form and at the lower resolution of 2.3 Angstroms
Structure at 1.25 Angstroms resolution of
Cys55Ser variant of Aquifex aeolicus [2Fe-2S] ferredoxin
Structure at 1.05 Angstroms resolution of
Cys59Ser variant of Aquifex aeolicus [2Fe-2S] ferredoxin
RCSB
Y
RCSB
2002-06-22
REL
ZN
ZINC ION
FES
FE2/S2 (INORGANIC) CLUSTER
SO4
SULFATE ION
HOH
water
1M2B
PDB ENTRY 1M2B, Cys55Ser Aquifex aeolicus [2Fe-2S] ferredoxin structure
PDB
experimental model
ZN2
1
2
ZN
ZN
301
A
ZN2
2
2
ZN
ZN
302
A
ZN2
3
2
ZN
ZN
303
A
ZN2
4
2
ZN
ZN
304
A
FES
1
3
FES
FES
201
A
SO4
1
4
SO4
SO4
401
B
FES
2
3
FES
FES
202
B
WAT
1
5
HOH
HOH
305
A
WAT
2
5
HOH
HOH
306
A
WAT
3
5
HOH
HOH
307
A
WAT
4
5
HOH
HOH
308
A
WAT
5
5
HOH
HOH
309
A
WAT
6
5
HOH
HOH
310
A
WAT
7
5
HOH
HOH
311
A
WAT
8
5
HOH
HOH
312
A
WAT
9
5
HOH
HOH
313
A
WAT
10
5
HOH
HOH
314
A
WAT
11
5
HOH
HOH
315
A
WAT
12
5
HOH
HOH
316
A
WAT
13
5
HOH
HOH
317
A
WAT
14
5
HOH
HOH
318
A
WAT
15
5
HOH
HOH
319
A
WAT
16
5
HOH
HOH
320
A
WAT
17
5
HOH
HOH
321
A
WAT
18
5
HOH
HOH
322
A
WAT
19
5
HOH
HOH
323
A
WAT
20
5
HOH
HOH
324
A
WAT
21
5
HOH
HOH
325
A
WAT
22
5
HOH
HOH
326
A
WAT
23
5
HOH
HOH
327
A
WAT
24
5
HOH
HOH
328
A
WAT
25
5
HOH
HOH
329
A
WAT
26
5
HOH
HOH
330
A
WAT
27
5
HOH
HOH
331
A
WAT
28
5
HOH
HOH
332
A
WAT
29
5
HOH
HOH
333
A
WAT
30
5
HOH
HOH
334
A
WAT
31
5
HOH
HOH
335
A
WAT
32
5
HOH
HOH
336
A
WAT
33
5
HOH
HOH
337
A
WAT
34
5
HOH
HOH
338
A
WAT
35
5
HOH
HOH
339
A
WAT
36
5
HOH
HOH
340
A
WAT
37
5
HOH
HOH
341
A
WAT
38
5
HOH
HOH
342
A
WAT
39
5
HOH
HOH
343
A
WAT
40
5
HOH
HOH
344
A
WAT
41
5
HOH
HOH
345
A
WAT
42
5
HOH
HOH
346
A
WAT
43
5
HOH
HOH
347
A
WAT
44
5
HOH
HOH
348
A
WAT
45
5
HOH
HOH
349
A
WAT
46
5
HOH
HOH
350
A
WAT
47
5
HOH
HOH
351
A
WAT
48
5
HOH
HOH
352
A
WAT
49
5
HOH
HOH
353
A
WAT
50
5
HOH
HOH
354
A
WAT
51
5
HOH
HOH
355
A
WAT
52
5
HOH
HOH
356
A
WAT
53
5
HOH
HOH
357
A
WAT
54
5
HOH
HOH
358
A
WAT
55
5
HOH
HOH
359
A
WAT
56
5
HOH
HOH
360
A
WAT
57
5
HOH
HOH
361
A
WAT
58
5
HOH
HOH
362
A
WAT
59
5
HOH
HOH
363
A
WAT
60
5
HOH
HOH
364
A
WAT
61
5
HOH
HOH
365
A
WAT
62
5
HOH
HOH
366
A
WAT
63
5
HOH
HOH
367
A
WAT
64
5
HOH
HOH
368
A
WAT
65
5
HOH
HOH
369
A
WAT
66
5
HOH
HOH
370
A
WAT
67
5
HOH
HOH
371
A
WAT
68
5
HOH
HOH
372
A
WAT
69
5
HOH
HOH
373
A
WAT
70
5
HOH
HOH
374
A
WAT
71
5
HOH
HOH
375
A
WAT
72
5
HOH
HOH
376
A
WAT
73
5
HOH
HOH
377
A
WAT
74
5
HOH
HOH
378
A
WAT
76
5
HOH
HOH
379
A
WAT
77
5
HOH
HOH
380
A
WAT
79
5
HOH
HOH
381
A
WAT
80
5
HOH
HOH
382
A
WAT
81
5
HOH
HOH
383
A
WAT
150
5
HOH
HOH
384
A
WAT
164
5
HOH
HOH
385
A
WAT
165
5
HOH
HOH
386
A
WAT
166
5
HOH
HOH
387
A
WAT
168
5
HOH
HOH
388
A
WAT
170
5
HOH
HOH
389
A
WAT
172
5
HOH
HOH
390
A
WAT
173
5
HOH
HOH
391
A
WAT
174
5
HOH
HOH
392
A
WAT
175
5
HOH
HOH
393
A
WAT
177
5
HOH
HOH
394
A
WAT
178
5
HOH
HOH
395
A
WAT
179
5
HOH
HOH
396
A
WAT
180
5
HOH
HOH
397
A
WAT
183
5
HOH
HOH
398
A
WAT
184
5
HOH
HOH
399
A
WAT
75
5
HOH
HOH
402
B
WAT
78
5
HOH
HOH
403
B
WAT
82
5
HOH
HOH
404
B
WAT
83
5
HOH
HOH
405
B
WAT
84
5
HOH
HOH
406
B
WAT
85
5
HOH
HOH
407
B
WAT
86
5
HOH
HOH
408
B
WAT
87
5
HOH
HOH
409
B
WAT
88
5
HOH
HOH
410
B
WAT
89
5
HOH
HOH
411
B
WAT
90
5
HOH
HOH
412
B
WAT
91
5
HOH
HOH
413
B
WAT
92
5
HOH
HOH
414
B
WAT
93
5
HOH
HOH
415
B
WAT
94
5
HOH
HOH
416
B
WAT
95
5
HOH
HOH
417
B
WAT
96
5
HOH
HOH
418
B
WAT
97
5
HOH
HOH
419
B
WAT
98
5
HOH
HOH
420
B
WAT
99
5
HOH
HOH
421
B
WAT
100
5
HOH
HOH
422
B
WAT
101
5
HOH
HOH
423
B
WAT
102
5
HOH
HOH
424
B
WAT
103
5
HOH
HOH
425
B
WAT
104
5
HOH
HOH
426
B
WAT
105
5
HOH
HOH
427
B
WAT
106
5
HOH
HOH
428
B
WAT
107
5
HOH
HOH
429
B
WAT
108
5
HOH
HOH
430
B
WAT
109
5
HOH
HOH
431
B
WAT
110
5
HOH
HOH
432
B
WAT
111
5
HOH
HOH
433
B
WAT
112
5
HOH
HOH
434
B
WAT
113
5
HOH
HOH
435
B
WAT
114
5
HOH
HOH
436
B
WAT
115
5
HOH
HOH
437
B
WAT
116
5
HOH
HOH
438
B
WAT
117
5
HOH
HOH
439
B
WAT
118
5
HOH
HOH
440
B
WAT
119
5
HOH
HOH
441
B
WAT
120
5
HOH
HOH
442
B
WAT
121
5
HOH
HOH
443
B
WAT
122
5
HOH
HOH
444
B
WAT
123
5
HOH
HOH
445
B
WAT
124
5
HOH
HOH
446
B
WAT
125
5
HOH
HOH
447
B
WAT
126
5
HOH
HOH
448
B
WAT
127
5
HOH
HOH
449
B
WAT
128
5
HOH
HOH
450
B
WAT
129
5
HOH
HOH
451
B
WAT
130
5
HOH
HOH
452
B
WAT
131
5
HOH
HOH
453
B
WAT
132
5
HOH
HOH
454
B
WAT
133
5
HOH
HOH
455
B
WAT
134
5
HOH
HOH
456
B
WAT
135
5
HOH
HOH
457
B
WAT
136
5
HOH
HOH
458
B
WAT
137
5
HOH
HOH
459
B
WAT
138
5
HOH
HOH
460
B
WAT
139
5
HOH
HOH
461
B
WAT
140
5
HOH
HOH
462
B
WAT
141
5
HOH
HOH
463
B
WAT
142
5
HOH
HOH
464
B
WAT
143
5
HOH
HOH
465
B
WAT
144
5
HOH
HOH
466
B
WAT
145
5
HOH
HOH
467
B
WAT
146
5
HOH
HOH
468
B
WAT
147
5
HOH
HOH
469
B
WAT
148
5
HOH
HOH
470
B
WAT
149
5
HOH
HOH
471
B
WAT
151
5
HOH
HOH
472
B
WAT
152
5
HOH
HOH
473
B
WAT
153
5
HOH
HOH
474
B
WAT
154
5
HOH
HOH
475
B
WAT
155
5
HOH
HOH
476
B
WAT
156
5
HOH
HOH
477
B
WAT
157
5
HOH
HOH
478
B
WAT
158
5
HOH
HOH
479
B
WAT
159
5
HOH
HOH
480
B
WAT
160
5
HOH
HOH
481
B
WAT
161
5
HOH
HOH
482
B
WAT
162
5
HOH
HOH
483
B
WAT
163
5
HOH
HOH
484
B
WAT
167
5
HOH
HOH
485
B
WAT
169
5
HOH
HOH
486
B
WAT
171
5
HOH
HOH
487
B
WAT
176
5
HOH
HOH
488
B
WAT
181
5
HOH
HOH
489
B
WAT
182
5
HOH
HOH
490
B
WAT
185
5
HOH
HOH
491
B
WAT
186
5
HOH
HOH
492
B
WAT
187
5
HOH
HOH
493
B
ALA
1
n
1
ALA
1
A
GLU
2
n
2
GLU
2
A
PHE
3
n
3
PHE
3
A
LYS
4
n
4
LYS
4
A
HIS
5
n
5
HIS
5
A
VAL
6
n
6
VAL
6
A
PHE
7
n
7
PHE
7
A
VAL
8
n
8
VAL
8
A
CYS
9
n
9
CYS
9
A
VAL
10
n
10
VAL
10
A
GLN
11
n
11
GLN
11
A
ASP
12
n
12
ASP
12
A
ARG
13
n
13
ARG
13
A
PRO
14
n
14
PRO
14
A
PRO
15
n
15
PRO
15
A
GLY
16
n
16
GLY
16
A
HIS
17
n
17
HIS
17
A
PRO
18
n
18
PRO
18
A
GLN
19
n
19
GLN
19
A
GLY
20
n
20
GLY
20
A
SER
21
n
21
SER
21
A
CYS
22
n
22
CYS
22
A
ALA
23
n
23
ALA
23
A
GLN
24
n
24
GLN
24
A
ARG
25
n
25
ARG
25
A
GLY
26
n
26
GLY
26
A
SER
27
n
27
SER
27
A
ARG
28
n
28
ARG
28
A
GLU
29
n
29
GLU
29
A
VAL
30
n
30
VAL
30
A
PHE
31
n
31
PHE
31
A
GLN
32
n
32
GLN
32
A
ALA
33
n
33
ALA
33
A
PHE
34
n
34
PHE
34
A
MET
35
n
35
MET
35
A
GLU
36
n
36
GLU
36
A
LYS
37
n
37
LYS
37
A
ILE
38
n
38
ILE
38
A
GLN
39
n
39
GLN
39
A
THR
40
n
40
THR
40
A
ASP
41
n
41
ASP
41
A
PRO
42
n
42
PRO
42
A
GLN
43
n
43
GLN
43
A
LEU
44
n
44
LEU
44
A
PHE
45
n
45
PHE
45
A
MET
46
n
46
MET
46
A
THR
47
n
47
THR
47
A
THR
48
n
48
THR
48
A
VAL
49
n
49
VAL
49
A
ILE
50
n
50
ILE
50
A
THR
51
n
51
THR
51
A
PRO
52
n
52
PRO
52
A
THR
53
n
53
THR
53
A
GLY
54
n
54
GLY
54
A
CYS
55
n
55
CYS
55
A
MET
56
n
56
MET
56
A
ASN
57
n
57
ASN
57
A
ALA
58
n
58
ALA
58
A
CYS
59
n
59
CYS
59
A
MET
60
n
60
MET
60
A
MET
61
n
61
MET
61
A
GLY
62
n
62
GLY
62
A
PRO
63
n
63
PRO
63
A
VAL
64
n
64
VAL
64
A
VAL
65
n
65
VAL
65
A
VAL
66
n
66
VAL
66
A
VAL
67
n
67
VAL
67
A
TYR
68
n
68
TYR
68
A
PRO
69
n
69
PRO
69
A
ASP
70
n
70
ASP
70
A
GLY
71
n
71
GLY
71
A
VAL
72
n
72
VAL
72
A
TRP
73
n
73
TRP
73
A
TYR
74
n
74
TYR
74
A
GLY
75
n
75
GLY
75
A
GLN
76
n
76
GLN
76
A
VAL
77
n
77
VAL
77
A
LYS
78
n
78
LYS
78
A
PRO
79
n
79
PRO
79
A
GLU
80
n
80
GLU
80
A
ASP
81
n
81
ASP
81
A
VAL
82
n
82
VAL
82
A
ASP
83
n
83
ASP
83
A
GLU
84
n
84
GLU
84
A
ILE
85
n
85
ILE
85
A
VAL
86
n
86
VAL
86
A
GLU
87
n
87
GLU
87
A
LYS
88
n
88
LYS
88
A
HIS
89
n
89
HIS
89
A
LEU
90
n
90
LEU
90
A
LYS
91
n
91
LYS
91
A
GLY
92
n
92
GLY
92
A
GLY
93
n
93
GLY
93
A
GLU
94
n
94
GLU
94
A
PRO
95
n
95
PRO
95
A
VAL
96
n
96
VAL
96
A
GLU
97
n
97
GLU
97
A
ARG
98
n
98
ARG
98
A
LEU
99
n
99
LEU
99
A
VAL
100
n
100
VAL
100
A
ILE
101
n
101
ILE
101
A
SER
102
n
102
SER
102
A
LYS
103
n
103
LYS
103
A
n
104
104
A
n
105
105
A
n
106
106
A
n
107
107
A
n
108
108
A
n
109
109
A
n
110
110
A
n
1
1
B
n
2
2
B
PHE
3
n
3
PHE
3
B
LYS
4
n
4
LYS
4
B
HIS
5
n
5
HIS
5
B
VAL
6
n
6
VAL
6
B
PHE
7
n
7
PHE
7
B
VAL
8
n
8
VAL
8
B
CYS
9
n
9
CYS
9
B
VAL
10
n
10
VAL
10
B
GLN
11
n
11
GLN
11
B
ASP
12
n
12
ASP
12
B
ARG
13
n
13
ARG
13
B
PRO
14
n
14
PRO
14
B
PRO
15
n
15
PRO
15
B
GLY
16
n
16
GLY
16
B
HIS
17
n
17
HIS
17
B
PRO
18
n
18
PRO
18
B
GLN
19
n
19
GLN
19
B
GLY
20
n
20
GLY
20
B
SER
21
n
21
SER
21
B
CYS
22
n
22
CYS
22
B
ALA
23
n
23
ALA
23
B
GLN
24
n
24
GLN
24
B
ARG
25
n
25
ARG
25
B
GLY
26
n
26
GLY
26
B
SER
27
n
27
SER
27
B
ARG
28
n
28
ARG
28
B
GLU
29
n
29
GLU
29
B
VAL
30
n
30
VAL
30
B
PHE
31
n
31
PHE
31
B
GLN
32
n
32
GLN
32
B
ALA
33
n
33
ALA
33
B
PHE
34
n
34
PHE
34
B
MET
35
n
35
MET
35
B
GLU
36
n
36
GLU
36
B
LYS
37
n
37
LYS
37
B
ILE
38
n
38
ILE
38
B
GLN
39
n
39
GLN
39
B
THR
40
n
40
THR
40
B
ASP
41
n
41
ASP
41
B
PRO
42
n
42
PRO
42
B
GLN
43
n
43
GLN
43
B
LEU
44
n
44
LEU
44
B
PHE
45
n
45
PHE
45
B
MET
46
n
46
MET
46
B
THR
47
n
47
THR
47
B
THR
48
n
48
THR
48
B
VAL
49
n
49
VAL
49
B
ILE
50
n
50
ILE
50
B
THR
51
n
51
THR
51
B
PRO
52
n
52
PRO
52
B
THR
53
n
53
THR
53
B
GLY
54
n
54
GLY
54
B
CYS
55
n
55
CYS
55
B
MET
56
n
56
MET
56
B
ASN
57
n
57
ASN
57
B
ALA
58
n
58
ALA
58
B
CYS
59
n
59
CYS
59
B
MET
60
n
60
MET
60
B
MET
61
n
61
MET
61
B
GLY
62
n
62
GLY
62
B
PRO
63
n
63
PRO
63
B
VAL
64
n
64
VAL
64
B
VAL
65
n
65
VAL
65
B
VAL
66
n
66
VAL
66
B
VAL
67
n
67
VAL
67
B
TYR
68
n
68
TYR
68
B
PRO
69
n
69
PRO
69
B
ASP
70
n
70
ASP
70
B
GLY
71
n
71
GLY
71
B
VAL
72
n
72
VAL
72
B
TRP
73
n
73
TRP
73
B
TYR
74
n
74
TYR
74
B
GLY
75
n
75
GLY
75
B
GLN
76
n
76
GLN
76
B
VAL
77
n
77
VAL
77
B
LYS
78
n
78
LYS
78
B
PRO
79
n
79
PRO
79
B
GLU
80
n
80
GLU
80
B
ASP
81
n
81
ASP
81
B
VAL
82
n
82
VAL
82
B
ASP
83
n
83
ASP
83
B
GLU
84
n
84
GLU
84
B
ILE
85
n
85
ILE
85
B
VAL
86
n
86
VAL
86
B
GLU
87
n
87
GLU
87
B
LYS
88
n
88
LYS
88
B
HIS
89
n
89
HIS
89
B
LEU
90
n
90
LEU
90
B
LYS
91
n
91
LYS
91
B
GLY
92
n
92
GLY
92
B
GLY
93
n
93
GLY
93
B
GLU
94
n
94
GLU
94
B
PRO
95
n
95
PRO
95
B
VAL
96
n
96
VAL
96
B
GLU
97
n
97
GLU
97
B
ARG
98
n
98
ARG
98
B
LEU
99
n
99
LEU
99
B
VAL
100
n
100
VAL
100
B
ILE
101
n
101
ILE
101
B
SER
102
n
102
SER
102
B
LYS
103
n
103
LYS
103
B
n
104
104
B
n
105
105
B
n
106
106
B
n
107
107
B
n
108
108
B
n
109
109
B
n
110
110
B
author_and_software_defined_assembly
PISA
2
dimeric
software_defined_assembly
PISA
2
dimeric
2010
-119
10050
1370
-137
10790
A
ALA
1
A
N
ALA
1
4_557
A
ZN
303
E
ZN
ZN
1_555
A
ASP
12
A
OD2
ASP
12
1_555
139.0
A
ALA
1
A
N
ALA
1
4_557
A
ZN
303
E
ZN
ZN
1_555
A
ASP
12
A
OD1
ASP
12
1_555
111.6
A
ASP
12
A
OD2
ASP
12
1_555
A
ZN
303
E
ZN
ZN
1_555
A
ASP
12
A
OD1
ASP
12
1_555
58.7
A
CYS
9
A
SG
CYS
9
1_555
A
FES
201
G
FE1
FES
1_555
A
FES
201
G
S1
FES
1_555
105.4
A
CYS
9
A
SG
CYS
9
1_555
A
FES
201
G
FE1
FES
1_555
A
FES
201
G
S2
FES
1_555
116.7
A
FES
201
G
S1
FES
1_555
A
FES
201
G
FE1
FES
1_555
A
FES
201
G
S2
FES
1_555
104.8
A
CYS
9
A
SG
CYS
9
1_555
A
FES
201
G
FE1
FES
1_555
A
CYS
22
A
SG
CYS
22
1_555
105.0
A
FES
201
G
S1
FES
1_555
A
FES
201
G
FE1
FES
1_555
A
CYS
22
A
SG
CYS
22
1_555
115.5
A
FES
201
G
S2
FES
1_555
A
FES
201
G
FE1
FES
1_555
A
CYS
22
A
SG
CYS
22
1_555
109.9
A
HIS
17
A
ND1
HIS
17
1_555
A
ZN
302
D
ZN
ZN
1_555
A
HOH
385
J
O
HOH
1_555
94.2
A
HIS
17
A
ND1
HIS
17
1_555
A
ZN
302
D
ZN
ZN
1_555
A
HOH
386
J
O
HOH
1_555
98.7
A
HOH
385
J
O
HOH
1_555
A
ZN
302
D
ZN
ZN
1_555
A
HOH
386
J
O
HOH
1_555
154.6
A
HIS
17
A
ND1
HIS
17
1_555
A
ZN
302
D
ZN
ZN
1_555
B
GLU
97
B
OE2
GLU
97
3_455
108.0
A
HOH
385
J
O
HOH
1_555
A
ZN
302
D
ZN
ZN
1_555
B
GLU
97
B
OE2
GLU
97
3_455
104.1
A
HOH
386
J
O
HOH
1_555
A
ZN
302
D
ZN
ZN
1_555
B
GLU
97
B
OE2
GLU
97
3_455
92.7
A
CYS
55
A
SG
CYS
55
1_555
A
FES
201
G
FE2
FES
1_555
A
FES
201
G
S1
FES
1_555
115.4
A
CYS
55
A
SG
CYS
55
1_555
A
FES
201
G
FE2
FES
1_555
A
FES
201
G
S2
FES
1_555
112.7
A
FES
201
G
S1
FES
1_555
A
FES
201
G
FE2
FES
1_555
A
FES
201
G
S2
FES
1_555
103.7
A
CYS
55
A
SG
CYS
55
1_555
A
FES
201
G
FE2
FES
1_555
A
CYS
59
A
SG
CYS
59
1_555
90.5
A
FES
201
G
S1
FES
1_555
A
FES
201
G
FE2
FES
1_555
A
CYS
59
A
SG
CYS
59
1_555
113.2
A
FES
201
G
S2
FES
1_555
A
FES
201
G
FE2
FES
1_555
A
CYS
59
A
SG
CYS
59
1_555
121.7
A
ASP
83
A
OD1
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
A
ASP
83
A
OD2
ASP
83
1_555
52.0
A
ASP
83
A
OD1
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD2
ASP
83
1_556
78.1
A
ASP
83
A
OD2
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD2
ASP
83
1_556
98.8
A
ASP
83
A
OD1
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD1
ASP
83
1_556
104.9
A
ASP
83
A
OD2
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD1
ASP
83
1_556
81.5
B
ASP
83
B
OD2
ASP
83
1_556
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD1
ASP
83
1_556
52.0
A
GLU
97
A
OE1
GLU
97
1_555
A
ZN
304
F
ZN
ZN
1_555
A
HOH
373
J
O
HOH
1_555
85.6
A
GLU
97
A
OE1
GLU
97
1_555
A
ZN
304
F
ZN
ZN
1_555
B
HIS
17
B
ND1
HIS
17
3_445
113.7
A
HOH
373
J
O
HOH
1_555
A
ZN
304
F
ZN
ZN
1_555
B
HIS
17
B
ND1
HIS
17
3_445
113.1
B
CYS
9
B
SG
CYS
9
1_555
B
FES
202
I
FE1
FES
1_555
B
FES
202
I
S1
FES
1_555
106.4
B
CYS
9
B
SG
CYS
9
1_555
B
FES
202
I
FE1
FES
1_555
B
FES
202
I
S2
FES
1_555
116.2
B
FES
202
I
S1
FES
1_555
B
FES
202
I
FE1
FES
1_555
B
FES
202
I
S2
FES
1_555
105.9
B
CYS
9
B
SG
CYS
9
1_555
B
FES
202
I
FE1
FES
1_555
B
CYS
22
B
SG
CYS
22
1_555
104.2
B
FES
202
I
S1
FES
1_555
B
FES
202
I
FE1
FES
1_555
B
CYS
22
B
SG
CYS
22
1_555
113.7
B
FES
202
I
S2
FES
1_555
B
FES
202
I
FE1
FES
1_555
B
CYS
22
B
SG
CYS
22
1_555
110.6
B
CYS
55
B
SG
CYS
55
1_555
B
FES
202
I
FE2
FES
1_555
B
FES
202
I
S1
FES
1_555
115.6
B
CYS
55
B
SG
CYS
55
1_555
B
FES
202
I
FE2
FES
1_555
B
FES
202
I
S2
FES
1_555
113.5
B
FES
202
I
S1
FES
1_555
B
FES
202
I
FE2
FES
1_555
B
FES
202
I
S2
FES
1_555
103.3
B
CYS
55
B
SG
CYS
55
1_555
B
FES
202
I
FE2
FES
1_555
B
CYS
59
B
SG
CYS
59
1_555
90.4
B
FES
202
I
S1
FES
1_555
B
FES
202
I
FE2
FES
1_555
B
CYS
59
B
SG
CYS
59
1_555
112.2
B
FES
202
I
S2
FES
1_555
B
FES
202
I
FE2
FES
1_555
B
CYS
59
B
SG
CYS
59
1_555
122.3
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
1_556
x,y,z+1
crystal symmetry operation
-16.3753627543
0.0000000000
44.2683577137
A
O
VAL
49
A
O
VAL
49
A
N
VAL
6
A
N
VAL
6
A
N
HIS
5
A
N
HIS
5
A
O
TYR
68
A
O
TYR
68
A
N
VAL
65
A
N
VAL
65
A
O
TYR
74
A
O
TYR
74
A
N
TRP
73
A
N
TRP
73
A
O
ILE
101
A
O
ILE
101
B
O
VAL
49
B
O
VAL
49
B
N
VAL
6
B
N
VAL
6
B
N
HIS
5
B
N
HIS
5
B
O
TYR
68
B
O
TYR
68
B
N
VAL
65
B
N
VAL
65
B
O
TYR
74
B
O
TYR
74
B
N
TRP
73
B
N
TRP
73
B
O
ILE
101
B
O
ILE
101
1
A
HOH
396
J
HOH
1
A
GLY
104
A
GLY
104
1
Y
1
A
LYS
105
A
LYS
105
1
Y
1
A
PRO
106
A
PRO
106
1
Y
1
A
PRO
107
A
PRO
107
1
Y
1
A
GLY
108
A
GLY
108
1
Y
1
A
MET
109
A
MET
109
1
Y
1
A
PHE
110
A
PHE
110
1
Y
1
B
ALA
1
B
ALA
1
1
Y
1
B
GLU
2
B
GLU
2
1
Y
1
B
GLY
104
B
GLY
104
1
Y
1
B
LYS
105
B
LYS
105
1
Y
1
B
PRO
106
B
PRO
106
1
Y
1
B
PRO
107
B
PRO
107
1
Y
1
B
GLY
108
B
GLY
108
1
Y
1
B
MET
109
B
MET
109
1
Y
1
B
PHE
110
B
PHE
110
1
Y
1
B
B
O
O
HOH
HOH
463
464
2.03
1
B
B
O
O
HOH
HOH
489
493
2.14
1
B
B
OE1
O
GLU
HOH
87
480
2.17
1
-3.49
0.50
120.30
116.81
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
13
13
13
N
1
-17.07
2.70
111.00
93.93
A
A
A
N
CA
C
THR
THR
THR
40
40
40
N
1
-3.01
0.50
120.30
117.29
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
25
25
25
N
1
A
B
O
O
HOH
HOH
371
463
2.15
1_555
1_556
1
B
B
O
O
HOH
HOH
470
470
2.15
1_555
2_657
1
A
GLU
2
-121.42
-106.91
1
A
THR
40
-169.83
-1.21
1
A
ALA
58
-142.91
46.20
1
B
ALA
58
-145.95
41.88
0.2160000
0.1840000
1.5
31.5
860
27758
27758
98.8
random
1
0.0
FOURIER SYNTHESIS
PDB ENTRY 1M2B, Cys55Ser Aquifex aeolicus [2Fe-2S] ferredoxin structure
Engh & Huber
0.16
1.5
31.5
187
1825
17
0
1621
0.024
2.192
1.5
31.5
1M2A
27758
27758
1.0
2.0
0.0510000
0.0510000
1
7.8
3.6
98.9
0.4040000
1.5
1.54
1.5
1969
0.4040000
3.3
97.1
refinement
CNS
data reduction
MOSFLM
data scaling
CCP4
(SCALA)
phasing
CNS
Crystal structure at 1.5 Angstroms resolution of the wild type thioredoxin-like [2Fe-2S] ferredoxin from Aquifex aeolicus
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
4
N
N
3
N
N
5
N
N
5
N
N
A
GLY
26
A
GLY
26
HELX_P
A
GLN
39
A
GLN
39
1
1
14
A
ASP
41
A
ASP
41
HELX_P
A
MET
46
A
MET
46
1
2
6
A
ALA
58
A
ALA
58
HELX_P
A
GLY
62
A
GLY
62
5
3
5
A
LYS
78
A
LYS
78
HELX_P
A
GLU
80
A
GLU
80
5
4
3
A
ASP
81
A
ASP
81
HELX_P
A
HIS
89
A
HIS
89
1
5
9
A
VAL
96
A
VAL
96
HELX_P
A
ARG
98
A
ARG
98
5
6
3
B
GLY
26
B
GLY
26
HELX_P
B
THR
40
B
THR
40
1
7
15
B
ASP
41
B
ASP
41
HELX_P
B
MET
46
B
MET
46
1
8
6
B
ALA
58
B
ALA
58
HELX_P
B
GLY
62
B
GLY
62
5
9
5
B
LYS
78
B
LYS
78
HELX_P
B
GLU
80
B
GLU
80
5
10
3
B
ASP
81
B
ASP
81
HELX_P
B
HIS
89
B
HIS
89
1
11
9
B
VAL
96
B
VAL
96
HELX_P
B
ARG
98
B
ARG
98
5
12
3
metalc
2.100
A
ALA
1
A
N
ALA
1
4_557
A
ZN
303
E
ZN
ZN
1_555
metalc
2.273
A
CYS
9
A
SG
CYS
9
1_555
A
FES
201
G
FE1
FES
1_555
metalc
2.133
A
ASP
12
A
OD2
ASP
12
1_555
A
ZN
303
E
ZN
ZN
1_555
metalc
2.382
A
ASP
12
A
OD1
ASP
12
1_555
A
ZN
303
E
ZN
ZN
1_555
metalc
2.112
A
HIS
17
A
ND1
HIS
17
1_555
A
ZN
302
D
ZN
ZN
1_555
metalc
2.308
A
CYS
22
A
SG
CYS
22
1_555
A
FES
201
G
FE1
FES
1_555
metalc
2.341
A
CYS
55
A
SG
CYS
55
1_555
A
FES
201
G
FE2
FES
1_555
metalc
2.286
A
CYS
59
A
SG
CYS
59
1_555
A
FES
201
G
FE2
FES
1_555
metalc
2.722
A
ASP
83
A
OD1
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
metalc
2.177
A
ASP
83
A
OD2
ASP
83
1_555
A
ZN
301
C
ZN
ZN
1_555
metalc
1.921
A
GLU
97
A
OE1
GLU
97
1_555
A
ZN
304
F
ZN
ZN
1_555
metalc
2.304
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD2
ASP
83
1_556
metalc
2.731
A
ZN
301
C
ZN
ZN
1_555
B
ASP
83
B
OD1
ASP
83
1_556
metalc
2.118
A
ZN
302
D
ZN
ZN
1_555
A
HOH
385
J
O
HOH
1_555
metalc
2.245
A
ZN
302
D
ZN
ZN
1_555
A
HOH
386
J
O
HOH
1_555
metalc
2.064
A
ZN
302
D
ZN
ZN
1_555
B
GLU
97
B
OE2
GLU
97
3_455
metalc
2.244
A
ZN
304
F
ZN
ZN
1_555
A
HOH
373
J
O
HOH
1_555
metalc
2.234
A
ZN
304
F
ZN
ZN
1_555
B
HIS
17
B
ND1
HIS
17
3_445
metalc
2.261
B
CYS
9
B
SG
CYS
9
1_555
B
FES
202
I
FE1
FES
1_555
metalc
2.279
B
CYS
22
B
SG
CYS
22
1_555
B
FES
202
I
FE1
FES
1_555
metalc
2.366
B
CYS
55
B
SG
CYS
55
1_555
B
FES
202
I
FE2
FES
1_555
metalc
2.326
B
CYS
59
B
SG
CYS
59
1_555
B
FES
202
I
FE2
FES
1_555
ELECTRON TRANSPORT
ferredoxin, thioredoxin-like fold, [2Fe-2S] cluster, ELECTRON TRANSPORT
A
GLY
62
A
GLY
62
1
A
PRO
63
A
PRO
63
-0.60
A
TYR
68
A
TYR
68
1
A
PRO
69
A
PRO
69
0.90
B
GLY
62
B
GLY
62
1
B
PRO
63
B
PRO
63
-0.44
B
TYR
68
B
TYR
68
1
B
PRO
69
B
PRO
69
0.32
FER2_AQUAE
UNP
1
1
O66511
AEFKHVFVCVQDRPPGHPQGSCAQRGSREVFQAFMEKIQTDPQLFMTTVITPTGCMNACMMGPVVVVYPDGVWYGQVKPE
DVDEIVEKHLKGGEPVERLVISKGKPPGMF
1
110
1M2A
1
110
O66511
A
1
1
110
1
110
1M2A
1
110
O66511
B
1
1
110
5
5
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
48
A
THR
48
A
THR
53
A
THR
53
A
LYS
4
A
LYS
4
A
CYS
9
A
CYS
9
A
VAL
65
A
VAL
65
A
TYR
68
A
TYR
68
A
VAL
72
A
VAL
72
A
TYR
74
A
TYR
74
A
VAL
100
A
VAL
100
A
SER
102
A
SER
102
B
THR
48
B
THR
48
B
THR
53
B
THR
53
B
LYS
4
B
LYS
4
B
CYS
9
B
CYS
9
B
VAL
65
B
VAL
65
B
TYR
68
B
TYR
68
B
VAL
72
B
VAL
72
B
TYR
74
B
TYR
74
B
VAL
100
B
VAL
100
B
SER
102
B
SER
102
BINDING SITE FOR RESIDUE ZN A 301
A
ZN
301
Software
2
BINDING SITE FOR RESIDUE ZN A 302
A
ZN
302
Software
4
BINDING SITE FOR RESIDUE ZN A 303
A
ZN
303
Software
2
BINDING SITE FOR RESIDUE ZN A 304
A
ZN
304
Software
4
BINDING SITE FOR RESIDUE SO4 B 401
B
SO4
401
Software
2
BINDING SITE FOR RESIDUE FES A 201
A
FES
201
Software
9
BINDING SITE FOR RESIDUE FES B 202
B
FES
202
Software
9
A
ASP
83
A
ASP
83
2
1_555
B
ASP
83
B
ASP
83
2
1_556
A
HIS
17
A
HIS
17
4
1_555
A
HOH
385
J
HOH
4
1_555
A
HOH
386
J
HOH
4
1_555
B
GLU
97
B
GLU
97
4
3_455
A
ALA
1
A
ALA
1
2
4_557
A
ASP
12
A
ASP
12
2
1_555
A
GLU
97
A
GLU
97
4
1_555
A
GLU
97
A
GLU
97
4
2_557
A
HOH
373
J
HOH
4
1_555
B
HIS
17
B
HIS
17
4
3_445
B
PRO
52
B
PRO
52
2
1_555
B
THR
53
B
THR
53
2
1_555
A
CYS
9
A
CYS
9
9
1_555
A
GLN
11
A
GLN
11
9
1_555
A
ARG
13
A
ARG
13
9
1_555
A
CYS
22
A
CYS
22
9
1_555
A
CYS
55
A
CYS
55
9
1_555
A
MET
56
A
MET
56
9
1_555
A
ASN
57
A
ASN
57
9
1_555
A
ALA
58
A
ALA
58
9
1_555
A
CYS
59
A
CYS
59
9
1_555
B
CYS
9
B
CYS
9
9
1_555
B
GLN
11
B
GLN
11
9
1_555
B
ARG
13
B
ARG
13
9
1_555
B
CYS
22
B
CYS
22
9
1_555
B
CYS
55
B
CYS
55
9
1_555
B
MET
56
B
MET
56
9
1_555
B
ASN
57
B
ASN
57
9
1_555
B
ALA
58
B
ALA
58
9
1_555
B
CYS
59
B
CYS
59
9
1_555
5
C 1 2 1