0.017687
0.000000
0.003042
0.000000
0.010983
0.000000
0.000000
0.000000
0.016017
0.00000
0.00000
0.00000
Jang, S.B.
Seefeldt, L.C.
Peters, J.W.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90
99.76
90
56.54
91.05
63.35
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
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
Fe4 S4
351.640
IRON/SULFUR CLUSTER
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
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
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
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
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
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
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
N
149
N
H
N
150
N
H
N
151
N
H
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
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
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
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
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
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
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
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
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
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
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
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
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
FE
N
305
N
FE
N
306
N
FE
N
307
N
FE
N
308
N
S
N
309
N
S
N
310
N
S
N
311
N
S
N
312
N
N
N
313
S
C
N
314
N
C
N
315
N
O
N
316
R
C
N
317
N
O
N
318
N
C
N
319
N
O
N
320
N
H
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
N
N
330
S
C
N
331
N
C
N
332
N
O
N
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
C
Y
337
N
N
Y
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
Y
342
N
C
N
343
N
O
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
354
N
H
N
355
N
H
N
356
N
N
N
357
S
C
N
358
N
C
N
359
N
O
N
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
N
367
N
O
N
368
N
O
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
N
N
381
S
C
N
382
N
C
N
383
N
O
N
384
N
C
N
385
N
C
N
386
N
C
N
387
N
O
N
388
N
H
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
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
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
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
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
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
sing
N
125
N
sing
N
126
N
doub
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
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
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
doub
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
sing
N
178
N
sing
N
179
N
doub
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
sing
N
199
N
sing
N
200
N
doub
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
sing
N
223
N
sing
N
224
N
doub
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
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
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
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
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
doub
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
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
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
doub
Y
334
N
sing
Y
335
N
sing
N
336
N
sing
Y
337
N
sing
Y
338
N
doub
N
339
N
sing
Y
340
N
doub
N
341
N
sing
Y
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
doub
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
Y
357
N
doub
Y
358
N
sing
Y
359
N
sing
N
360
N
sing
Y
361
N
doub
N
362
N
sing
Y
363
N
doub
N
364
N
sing
Y
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
N
374
N
sing
N
375
N
sing
N
376
N
doub
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
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
39
641
648
10.1021/bi991694v
10651628
Modulating the midpoint potential of the [4Fe-4S] cluster of the nitrogenase Fe protein.
2000
US
Science
SCIEAS
0038
0036-8075
257
1653
1659
Crystallographic Structure of the Nitrogenase Iron Protein from Azotobacter vinelandii
1992
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
280
669
685
10.1006/jmbi.1998.1898
Conformational Variability in Structures of the Nitrogenase Iron Proteins from Azotobacter vinelandii and Clostridium pasteurianum
1998
UK
Nature
NATUAS
0006
0028-0836
387
370
376
10.1038/387370a0
Structure of ADP x AlF4(-)-stabilized Nitrogenase Complex and its Implications for Signal Transduction
1997
10.2210/pdb1de0/pdb
pdb_00001de0
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100.0
1
IMAGE PLATE
1999-02-15
RIGAKU RAXIS IIC
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU300
31456.084
NITROGENASE IRON PROTEIN
1.18.6.1
F135W
2
nat
polymer
351.640
IRON/SULFUR CLUSTER
1
syn
non-polymer
18.015
water
224
nat
water
no
no
AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGY
GGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGWAMPIRENKAQEIYIVCSGEMMAMYA
ANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEY
RALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV
AMRQCAIYGKGGIGKSTTTQNLVAALAEMGKKVMIVGCDPKADSTRLILHSKAQNTIMEMAAEAGTVEDLELEDVLKAGY
GGVKCVESGGPEPGVGCAGRGVITAINFLEEEGAYEDDLDFVFYDVLGDVVCGGWAMPIRENKAQEIYIVCSGEMMAMYA
ANNISKGIVKYANSGSVRLGGLICNSRNTDREDELIIALANKLGTQMIHFVPRDNVVQRAEIRRMTVIEYDPKAKQADEY
RALARKVVDNKLLVIPNPITMDELEELLMEFGIMEVEDESIVGKTAEEV
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Azotobacter
sample
354
Azotobacter vinelandii
1
2.55
51.83
SMALL TUBES
8.5
PEG 4000, 0.1 M TRIS HCL, 0.2 M SODIUM ACETATE, pH 8.5, SMALL TUBES, temperature 277K
277
software
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Database references
Derived calculations
Data collection
1
0
2000-02-09
1
1
2008-04-27
1
2
2011-07-13
1
3
2017-10-04
1
4
2021-11-03
1
5
2024-02-07
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_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_seq_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_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.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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
CRYSTALLOGRAPHIC STRUCTURE OF THE NITROGENASE IRON PROTEIN FROM AZOTOBACTER VINELANDII
RCSB
Y
RCSB
1999-11-12
REL
SF4
IRON/SULFUR CLUSTER
HOH
water
FS4
290
2
SF4
SF4
290
A
HOH
1
3
HOH
HOH
291
A
HOH
2
3
HOH
HOH
292
A
HOH
4
3
HOH
HOH
293
A
HOH
5
3
HOH
HOH
294
A
HOH
7
3
HOH
HOH
295
A
HOH
8
3
HOH
HOH
296
A
HOH
10
3
HOH
HOH
297
A
HOH
11
3
HOH
HOH
298
A
HOH
13
3
HOH
HOH
299
A
HOH
14
3
HOH
HOH
300
A
HOH
15
3
HOH
HOH
301
A
HOH
16
3
HOH
HOH
302
A
HOH
17
3
HOH
HOH
303
A
HOH
18
3
HOH
HOH
304
A
HOH
19
3
HOH
HOH
305
A
HOH
20
3
HOH
HOH
306
A
HOH
21
3
HOH
HOH
307
A
HOH
23
3
HOH
HOH
308
A
HOH
25
3
HOH
HOH
309
A
HOH
26
3
HOH
HOH
310
A
HOH
27
3
HOH
HOH
311
A
HOH
31
3
HOH
HOH
312
A
HOH
32
3
HOH
HOH
313
A
HOH
36
3
HOH
HOH
314
A
HOH
39
3
HOH
HOH
315
A
HOH
40
3
HOH
HOH
316
A
HOH
43
3
HOH
HOH
317
A
HOH
44
3
HOH
HOH
318
A
HOH
45
3
HOH
HOH
319
A
HOH
46
3
HOH
HOH
320
A
HOH
47
3
HOH
HOH
321
A
HOH
49
3
HOH
HOH
322
A
HOH
50
3
HOH
HOH
323
A
HOH
52
3
HOH
HOH
324
A
HOH
57
3
HOH
HOH
325
A
HOH
58
3
HOH
HOH
326
A
HOH
59
3
HOH
HOH
327
A
HOH
60
3
HOH
HOH
328
A
HOH
61
3
HOH
HOH
329
A
HOH
63
3
HOH
HOH
330
A
HOH
65
3
HOH
HOH
331
A
HOH
67
3
HOH
HOH
332
A
HOH
69
3
HOH
HOH
333
A
HOH
71
3
HOH
HOH
334
A
HOH
73
3
HOH
HOH
335
A
HOH
78
3
HOH
HOH
336
A
HOH
79
3
HOH
HOH
337
A
HOH
80
3
HOH
HOH
338
A
HOH
81
3
HOH
HOH
339
A
HOH
82
3
HOH
HOH
340
A
HOH
83
3
HOH
HOH
341
A
HOH
85
3
HOH
HOH
342
A
HOH
86
3
HOH
HOH
343
A
HOH
88
3
HOH
HOH
344
A
HOH
90
3
HOH
HOH
345
A
HOH
95
3
HOH
HOH
346
A
HOH
96
3
HOH
HOH
347
A
HOH
97
3
HOH
HOH
348
A
HOH
98
3
HOH
HOH
349
A
HOH
99
3
HOH
HOH
350
A
HOH
101
3
HOH
HOH
351
A
HOH
102
3
HOH
HOH
352
A
HOH
103
3
HOH
HOH
353
A
HOH
104
3
HOH
HOH
354
A
HOH
105
3
HOH
HOH
355
A
HOH
107
3
HOH
HOH
356
A
HOH
108
3
HOH
HOH
357
A
HOH
110
3
HOH
HOH
358
A
HOH
111
3
HOH
HOH
359
A
HOH
113
3
HOH
HOH
360
A
HOH
114
3
HOH
HOH
361
A
HOH
118
3
HOH
HOH
362
A
HOH
122
3
HOH
HOH
363
A
HOH
125
3
HOH
HOH
364
A
HOH
126
3
HOH
HOH
365
A
HOH
127
3
HOH
HOH
366
A
HOH
128
3
HOH
HOH
367
A
HOH
129
3
HOH
HOH
368
A
HOH
132
3
HOH
HOH
369
A
HOH
134
3
HOH
HOH
370
A
HOH
135
3
HOH
HOH
371
A
HOH
136
3
HOH
HOH
372
A
HOH
139
3
HOH
HOH
373
A
HOH
141
3
HOH
HOH
374
A
HOH
142
3
HOH
HOH
375
A
HOH
147
3
HOH
HOH
376
A
HOH
148
3
HOH
HOH
377
A
HOH
149
3
HOH
HOH
378
A
HOH
151
3
HOH
HOH
379
A
HOH
153
3
HOH
HOH
380
A
HOH
154
3
HOH
HOH
381
A
HOH
157
3
HOH
HOH
382
A
HOH
158
3
HOH
HOH
383
A
HOH
159
3
HOH
HOH
384
A
HOH
160
3
HOH
HOH
385
A
HOH
164
3
HOH
HOH
386
A
HOH
165
3
HOH
HOH
387
A
HOH
169
3
HOH
HOH
388
A
HOH
170
3
HOH
HOH
389
A
HOH
177
3
HOH
HOH
390
A
HOH
178
3
HOH
HOH
391
A
HOH
180
3
HOH
HOH
392
A
HOH
181
3
HOH
HOH
393
A
HOH
185
3
HOH
HOH
394
A
HOH
186
3
HOH
HOH
395
A
HOH
187
3
HOH
HOH
396
A
HOH
188
3
HOH
HOH
397
A
HOH
190
3
HOH
HOH
398
A
HOH
194
3
HOH
HOH
399
A
HOH
196
3
HOH
HOH
400
A
HOH
197
3
HOH
HOH
401
A
HOH
199
3
HOH
HOH
402
A
HOH
201
3
HOH
HOH
403
A
HOH
207
3
HOH
HOH
404
A
HOH
211
3
HOH
HOH
405
A
HOH
212
3
HOH
HOH
406
A
HOH
215
3
HOH
HOH
407
A
HOH
216
3
HOH
HOH
408
A
HOH
218
3
HOH
HOH
409
A
HOH
219
3
HOH
HOH
410
A
HOH
222
3
HOH
HOH
411
A
HOH
224
3
HOH
HOH
412
A
HOH
3
3
HOH
HOH
290
B
HOH
6
3
HOH
HOH
291
B
HOH
9
3
HOH
HOH
292
B
HOH
12
3
HOH
HOH
293
B
HOH
22
3
HOH
HOH
294
B
HOH
24
3
HOH
HOH
295
B
HOH
28
3
HOH
HOH
296
B
HOH
29
3
HOH
HOH
297
B
HOH
30
3
HOH
HOH
298
B
HOH
33
3
HOH
HOH
299
B
HOH
34
3
HOH
HOH
300
B
HOH
35
3
HOH
HOH
301
B
HOH
37
3
HOH
HOH
302
B
HOH
38
3
HOH
HOH
303
B
HOH
41
3
HOH
HOH
304
B
HOH
42
3
HOH
HOH
305
B
HOH
48
3
HOH
HOH
306
B
HOH
51
3
HOH
HOH
307
B
HOH
53
3
HOH
HOH
308
B
HOH
54
3
HOH
HOH
309
B
HOH
55
3
HOH
HOH
310
B
HOH
56
3
HOH
HOH
311
B
HOH
62
3
HOH
HOH
312
B
HOH
64
3
HOH
HOH
313
B
HOH
66
3
HOH
HOH
314
B
HOH
68
3
HOH
HOH
315
B
HOH
70
3
HOH
HOH
316
B
HOH
72
3
HOH
HOH
317
B
HOH
74
3
HOH
HOH
318
B
HOH
75
3
HOH
HOH
319
B
HOH
76
3
HOH
HOH
320
B
HOH
77
3
HOH
HOH
321
B
HOH
84
3
HOH
HOH
322
B
HOH
87
3
HOH
HOH
323
B
HOH
89
3
HOH
HOH
324
B
HOH
91
3
HOH
HOH
325
B
HOH
92
3
HOH
HOH
326
B
HOH
93
3
HOH
HOH
327
B
HOH
94
3
HOH
HOH
328
B
HOH
100
3
HOH
HOH
329
B
HOH
106
3
HOH
HOH
330
B
HOH
109
3
HOH
HOH
331
B
HOH
112
3
HOH
HOH
332
B
HOH
115
3
HOH
HOH
333
B
HOH
116
3
HOH
HOH
334
B
HOH
117
3
HOH
HOH
335
B
HOH
119
3
HOH
HOH
336
B
HOH
120
3
HOH
HOH
337
B
HOH
121
3
HOH
HOH
338
B
HOH
123
3
HOH
HOH
339
B
HOH
124
3
HOH
HOH
340
B
HOH
130
3
HOH
HOH
341
B
HOH
131
3
HOH
HOH
342
B
HOH
133
3
HOH
HOH
343
B
HOH
137
3
HOH
HOH
344
B
HOH
138
3
HOH
HOH
345
B
HOH
140
3
HOH
HOH
346
B
HOH
143
3
HOH
HOH
347
B
HOH
144
3
HOH
HOH
348
B
HOH
145
3
HOH
HOH
349
B
HOH
146
3
HOH
HOH
350
B
HOH
150
3
HOH
HOH
351
B
HOH
152
3
HOH
HOH
352
B
HOH
155
3
HOH
HOH
353
B
HOH
156
3
HOH
HOH
354
B
HOH
161
3
HOH
HOH
355
B
HOH
162
3
HOH
HOH
356
B
HOH
163
3
HOH
HOH
357
B
HOH
166
3
HOH
HOH
358
B
HOH
167
3
HOH
HOH
359
B
HOH
168
3
HOH
HOH
360
B
HOH
171
3
HOH
HOH
361
B
HOH
172
3
HOH
HOH
362
B
HOH
173
3
HOH
HOH
363
B
HOH
174
3
HOH
HOH
364
B
HOH
175
3
HOH
HOH
365
B
HOH
176
3
HOH
HOH
366
B
HOH
179
3
HOH
HOH
367
B
HOH
182
3
HOH
HOH
368
B
HOH
183
3
HOH
HOH
369
B
HOH
184
3
HOH
HOH
370
B
HOH
189
3
HOH
HOH
371
B
HOH
191
3
HOH
HOH
372
B
HOH
192
3
HOH
HOH
373
B
HOH
193
3
HOH
HOH
374
B
HOH
195
3
HOH
HOH
375
B
HOH
198
3
HOH
HOH
376
B
HOH
200
3
HOH
HOH
377
B
HOH
202
3
HOH
HOH
378
B
HOH
203
3
HOH
HOH
379
B
HOH
204
3
HOH
HOH
380
B
HOH
205
3
HOH
HOH
381
B
HOH
206
3
HOH
HOH
382
B
HOH
208
3
HOH
HOH
383
B
HOH
209
3
HOH
HOH
384
B
HOH
210
3
HOH
HOH
385
B
HOH
213
3
HOH
HOH
386
B
HOH
214
3
HOH
HOH
387
B
HOH
217
3
HOH
HOH
388
B
HOH
220
3
HOH
HOH
389
B
HOH
221
3
HOH
HOH
390
B
HOH
223
3
HOH
HOH
391
B
ALA
1
n
1
ALA
1
A
MET
2
n
2
MET
2
A
ARG
3
n
3
ARG
3
A
GLN
4
n
4
GLN
4
A
CYS
5
n
5
CYS
5
A
ALA
6
n
6
ALA
6
A
ILE
7
n
7
ILE
7
A
TYR
8
n
8
TYR
8
A
GLY
9
n
9
GLY
9
A
LYS
10
n
10
LYS
10
A
GLY
11
n
11
GLY
11
A
GLY
12
n
12
GLY
12
A
ILE
13
n
13
ILE
13
A
GLY
14
n
14
GLY
14
A
LYS
15
n
15
LYS
15
A
SER
16
n
16
SER
16
A
THR
17
n
17
THR
17
A
THR
18
n
18
THR
18
A
THR
19
n
19
THR
19
A
GLN
20
n
20
GLN
20
A
ASN
21
n
21
ASN
21
A
LEU
22
n
22
LEU
22
A
VAL
23
n
23
VAL
23
A
ALA
24
n
24
ALA
24
A
ALA
25
n
25
ALA
25
A
LEU
26
n
26
LEU
26
A
ALA
27
n
27
ALA
27
A
GLU
28
n
28
GLU
28
A
MET
29
n
29
MET
29
A
GLY
30
n
30
GLY
30
A
LYS
31
n
31
LYS
31
A
LYS
32
n
32
LYS
32
A
VAL
33
n
33
VAL
33
A
MET
34
n
34
MET
34
A
ILE
35
n
35
ILE
35
A
VAL
36
n
36
VAL
36
A
GLY
37
n
37
GLY
37
A
CYS
38
n
38
CYS
38
A
ASP
39
n
39
ASP
39
A
PRO
40
n
40
PRO
40
A
LYS
41
n
41
LYS
41
A
ALA
42
n
42
ALA
42
A
ASP
43
n
43
ASP
43
A
SER
44
n
44
SER
44
A
THR
45
n
45
THR
45
A
ARG
46
n
46
ARG
46
A
LEU
47
n
47
LEU
47
A
ILE
48
n
48
ILE
48
A
LEU
49
n
49
LEU
49
A
HIS
50
n
50
HIS
50
A
SER
51
n
51
SER
51
A
LYS
52
n
52
LYS
52
A
ALA
53
n
53
ALA
53
A
GLN
54
n
54
GLN
54
A
ASN
55
n
55
ASN
55
A
THR
56
n
56
THR
56
A
ILE
57
n
57
ILE
57
A
MET
58
n
58
MET
58
A
GLU
59
n
59
GLU
59
A
MET
60
n
60
MET
60
A
ALA
61
n
61
ALA
61
A
ALA
62
n
62
ALA
62
A
GLU
63
n
63
GLU
63
A
ALA
64
n
64
ALA
64
A
GLY
65
n
65
GLY
65
A
THR
66
n
66
THR
66
A
VAL
67
n
67
VAL
67
A
GLU
68
n
68
GLU
68
A
ASP
69
n
69
ASP
69
A
LEU
70
n
70
LEU
70
A
GLU
71
n
71
GLU
71
A
LEU
72
n
72
LEU
72
A
GLU
73
n
73
GLU
73
A
ASP
74
n
74
ASP
74
A
VAL
75
n
75
VAL
75
A
LEU
76
n
76
LEU
76
A
LYS
77
n
77
LYS
77
A
ALA
78
n
78
ALA
78
A
GLY
79
n
79
GLY
79
A
TYR
80
n
80
TYR
80
A
GLY
81
n
81
GLY
81
A
GLY
82
n
82
GLY
82
A
VAL
83
n
83
VAL
83
A
LYS
84
n
84
LYS
84
A
CYS
85
n
85
CYS
85
A
VAL
86
n
86
VAL
86
A
GLU
87
n
87
GLU
87
A
SER
88
n
88
SER
88
A
GLY
89
n
89
GLY
89
A
GLY
90
n
90
GLY
90
A
PRO
91
n
91
PRO
91
A
GLU
92
n
92
GLU
92
A
PRO
93
n
93
PRO
93
A
GLY
94
n
94
GLY
94
A
VAL
95
n
95
VAL
95
A
GLY
96
n
96
GLY
96
A
CYS
97
n
97
CYS
97
A
ALA
98
n
98
ALA
98
A
GLY
99
n
99
GLY
99
A
ARG
100
n
100
ARG
100
A
GLY
101
n
101
GLY
101
A
VAL
102
n
102
VAL
102
A
ILE
103
n
103
ILE
103
A
THR
104
n
104
THR
104
A
ALA
105
n
105
ALA
105
A
ILE
106
n
106
ILE
106
A
ASN
107
n
107
ASN
107
A
PHE
108
n
108
PHE
108
A
LEU
109
n
109
LEU
109
A
GLU
110
n
110
GLU
110
A
GLU
111
n
111
GLU
111
A
GLU
112
n
112
GLU
112
A
GLY
113
n
113
GLY
113
A
ALA
114
n
114
ALA
114
A
TYR
115
n
115
TYR
115
A
GLU
116
n
116
GLU
116
A
ASP
117
n
117
ASP
117
A
ASP
118
n
118
ASP
118
A
LEU
119
n
119
LEU
119
A
ASP
120
n
120
ASP
120
A
PHE
121
n
121
PHE
121
A
VAL
122
n
122
VAL
122
A
PHE
123
n
123
PHE
123
A
TYR
124
n
124
TYR
124
A
ASP
125
n
125
ASP
125
A
VAL
126
n
126
VAL
126
A
LEU
127
n
127
LEU
127
A
GLY
128
n
128
GLY
128
A
ASP
129
n
129
ASP
129
A
VAL
130
n
130
VAL
130
A
VAL
131
n
131
VAL
131
A
CYS
132
n
132
CYS
132
A
GLY
133
n
133
GLY
133
A
GLY
134
n
134
GLY
134
A
TRP
135
n
135
TRP
135
A
ALA
136
n
136
ALA
136
A
MET
137
n
137
MET
137
A
PRO
138
n
138
PRO
138
A
ILE
139
n
139
ILE
139
A
ARG
140
n
140
ARG
140
A
GLU
141
n
141
GLU
141
A
ASN
142
n
142
ASN
142
A
LYS
143
n
143
LYS
143
A
ALA
144
n
144
ALA
144
A
GLN
145
n
145
GLN
145
A
GLU
146
n
146
GLU
146
A
ILE
147
n
147
ILE
147
A
TYR
148
n
148
TYR
148
A
ILE
149
n
149
ILE
149
A
VAL
150
n
150
VAL
150
A
CYS
151
n
151
CYS
151
A
SER
152
n
152
SER
152
A
GLY
153
n
153
GLY
153
A
GLU
154
n
154
GLU
154
A
MET
155
n
155
MET
155
A
MET
156
n
156
MET
156
A
ALA
157
n
157
ALA
157
A
MET
158
n
158
MET
158
A
TYR
159
n
159
TYR
159
A
ALA
160
n
160
ALA
160
A
ALA
161
n
161
ALA
161
A
ASN
162
n
162
ASN
162
A
ASN
163
n
163
ASN
163
A
ILE
164
n
164
ILE
164
A
SER
165
n
165
SER
165
A
LYS
166
n
166
LYS
166
A
GLY
167
n
167
GLY
167
A
ILE
168
n
168
ILE
168
A
VAL
169
n
169
VAL
169
A
LYS
170
n
170
LYS
170
A
TYR
171
n
171
TYR
171
A
ALA
172
n
172
ALA
172
A
ASN
173
n
173
ASN
173
A
SER
174
n
174
SER
174
A
GLY
175
n
175
GLY
175
A
SER
176
n
176
SER
176
A
VAL
177
n
177
VAL
177
A
ARG
178
n
178
ARG
178
A
LEU
179
n
179
LEU
179
A
GLY
180
n
180
GLY
180
A
GLY
181
n
181
GLY
181
A
LEU
182
n
182
LEU
182
A
ILE
183
n
183
ILE
183
A
CYS
184
n
184
CYS
184
A
ASN
185
n
185
ASN
185
A
SER
186
n
186
SER
186
A
ARG
187
n
187
ARG
187
A
ASN
188
n
188
ASN
188
A
THR
189
n
189
THR
189
A
ASP
190
n
190
ASP
190
A
ARG
191
n
191
ARG
191
A
GLU
192
n
192
GLU
192
A
ASP
193
n
193
ASP
193
A
GLU
194
n
194
GLU
194
A
LEU
195
n
195
LEU
195
A
ILE
196
n
196
ILE
196
A
ILE
197
n
197
ILE
197
A
ALA
198
n
198
ALA
198
A
LEU
199
n
199
LEU
199
A
ALA
200
n
200
ALA
200
A
ASN
201
n
201
ASN
201
A
LYS
202
n
202
LYS
202
A
LEU
203
n
203
LEU
203
A
GLY
204
n
204
GLY
204
A
THR
205
n
205
THR
205
A
GLN
206
n
206
GLN
206
A
MET
207
n
207
MET
207
A
ILE
208
n
208
ILE
208
A
HIS
209
n
209
HIS
209
A
PHE
210
n
210
PHE
210
A
VAL
211
n
211
VAL
211
A
PRO
212
n
212
PRO
212
A
ARG
213
n
213
ARG
213
A
ASP
214
n
214
ASP
214
A
ASN
215
n
215
ASN
215
A
VAL
216
n
216
VAL
216
A
VAL
217
n
217
VAL
217
A
GLN
218
n
218
GLN
218
A
ARG
219
n
219
ARG
219
A
ALA
220
n
220
ALA
220
A
GLU
221
n
221
GLU
221
A
ILE
222
n
222
ILE
222
A
ARG
223
n
223
ARG
223
A
ARG
224
n
224
ARG
224
A
MET
225
n
225
MET
225
A
THR
226
n
226
THR
226
A
VAL
227
n
227
VAL
227
A
ILE
228
n
228
ILE
228
A
GLU
229
n
229
GLU
229
A
TYR
230
n
230
TYR
230
A
ASP
231
n
231
ASP
231
A
PRO
232
n
232
PRO
232
A
LYS
233
n
233
LYS
233
A
ALA
234
n
234
ALA
234
A
LYS
235
n
235
LYS
235
A
GLN
236
n
236
GLN
236
A
ALA
237
n
237
ALA
237
A
ASP
238
n
238
ASP
238
A
GLU
239
n
239
GLU
239
A
TYR
240
n
240
TYR
240
A
ARG
241
n
241
ARG
241
A
ALA
242
n
242
ALA
242
A
LEU
243
n
243
LEU
243
A
ALA
244
n
244
ALA
244
A
ARG
245
n
245
ARG
245
A
LYS
246
n
246
LYS
246
A
VAL
247
n
247
VAL
247
A
VAL
248
n
248
VAL
248
A
ASP
249
n
249
ASP
249
A
ASN
250
n
250
ASN
250
A
LYS
251
n
251
LYS
251
A
LEU
252
n
252
LEU
252
A
LEU
253
n
253
LEU
253
A
VAL
254
n
254
VAL
254
A
ILE
255
n
255
ILE
255
A
PRO
256
n
256
PRO
256
A
ASN
257
n
257
ASN
257
A
PRO
258
n
258
PRO
258
A
ILE
259
n
259
ILE
259
A
THR
260
n
260
THR
260
A
MET
261
n
261
MET
261
A
ASP
262
n
262
ASP
262
A
GLU
263
n
263
GLU
263
A
LEU
264
n
264
LEU
264
A
GLU
265
n
265
GLU
265
A
GLU
266
n
266
GLU
266
A
LEU
267
n
267
LEU
267
A
LEU
268
n
268
LEU
268
A
MET
269
n
269
MET
269
A
GLU
270
n
270
GLU
270
A
PHE
271
n
271
PHE
271
A
GLY
272
n
272
GLY
272
A
ILE
273
n
273
ILE
273
A
MET
274
n
274
MET
274
A
GLU
275
n
275
GLU
275
A
VAL
276
n
276
VAL
276
A
GLU
277
n
277
GLU
277
A
ASP
278
n
278
ASP
278
A
GLU
279
n
279
GLU
279
A
SER
280
n
280
SER
280
A
ILE
281
n
281
ILE
281
A
VAL
282
n
282
VAL
282
A
GLY
283
n
283
GLY
283
A
LYS
284
n
284
LYS
284
A
THR
285
n
285
THR
285
A
ALA
286
n
286
ALA
286
A
GLU
287
n
287
GLU
287
A
GLU
288
n
288
GLU
288
A
VAL
289
n
289
VAL
289
A
ALA
1
n
1
ALA
1
B
MET
2
n
2
MET
2
B
ARG
3
n
3
ARG
3
B
GLN
4
n
4
GLN
4
B
CYS
5
n
5
CYS
5
B
ALA
6
n
6
ALA
6
B
ILE
7
n
7
ILE
7
B
TYR
8
n
8
TYR
8
B
GLY
9
n
9
GLY
9
B
LYS
10
n
10
LYS
10
B
GLY
11
n
11
GLY
11
B
GLY
12
n
12
GLY
12
B
ILE
13
n
13
ILE
13
B
GLY
14
n
14
GLY
14
B
LYS
15
n
15
LYS
15
B
SER
16
n
16
SER
16
B
THR
17
n
17
THR
17
B
THR
18
n
18
THR
18
B
THR
19
n
19
THR
19
B
GLN
20
n
20
GLN
20
B
ASN
21
n
21
ASN
21
B
LEU
22
n
22
LEU
22
B
VAL
23
n
23
VAL
23
B
ALA
24
n
24
ALA
24
B
ALA
25
n
25
ALA
25
B
LEU
26
n
26
LEU
26
B
ALA
27
n
27
ALA
27
B
GLU
28
n
28
GLU
28
B
MET
29
n
29
MET
29
B
GLY
30
n
30
GLY
30
B
LYS
31
n
31
LYS
31
B
LYS
32
n
32
LYS
32
B
VAL
33
n
33
VAL
33
B
MET
34
n
34
MET
34
B
ILE
35
n
35
ILE
35
B
VAL
36
n
36
VAL
36
B
GLY
37
n
37
GLY
37
B
CYS
38
n
38
CYS
38
B
ASP
39
n
39
ASP
39
B
PRO
40
n
40
PRO
40
B
LYS
41
n
41
LYS
41
B
ALA
42
n
42
ALA
42
B
ASP
43
n
43
ASP
43
B
SER
44
n
44
SER
44
B
THR
45
n
45
THR
45
B
ARG
46
n
46
ARG
46
B
LEU
47
n
47
LEU
47
B
ILE
48
n
48
ILE
48
B
LEU
49
n
49
LEU
49
B
HIS
50
n
50
HIS
50
B
SER
51
n
51
SER
51
B
LYS
52
n
52
LYS
52
B
ALA
53
n
53
ALA
53
B
GLN
54
n
54
GLN
54
B
ASN
55
n
55
ASN
55
B
THR
56
n
56
THR
56
B
ILE
57
n
57
ILE
57
B
MET
58
n
58
MET
58
B
GLU
59
n
59
GLU
59
B
MET
60
n
60
MET
60
B
ALA
61
n
61
ALA
61
B
ALA
62
n
62
ALA
62
B
GLU
63
n
63
GLU
63
B
ALA
64
n
64
ALA
64
B
GLY
65
n
65
GLY
65
B
THR
66
n
66
THR
66
B
VAL
67
n
67
VAL
67
B
GLU
68
n
68
GLU
68
B
ASP
69
n
69
ASP
69
B
LEU
70
n
70
LEU
70
B
GLU
71
n
71
GLU
71
B
LEU
72
n
72
LEU
72
B
GLU
73
n
73
GLU
73
B
ASP
74
n
74
ASP
74
B
VAL
75
n
75
VAL
75
B
LEU
76
n
76
LEU
76
B
LYS
77
n
77
LYS
77
B
ALA
78
n
78
ALA
78
B
GLY
79
n
79
GLY
79
B
TYR
80
n
80
TYR
80
B
GLY
81
n
81
GLY
81
B
GLY
82
n
82
GLY
82
B
VAL
83
n
83
VAL
83
B
LYS
84
n
84
LYS
84
B
CYS
85
n
85
CYS
85
B
VAL
86
n
86
VAL
86
B
GLU
87
n
87
GLU
87
B
SER
88
n
88
SER
88
B
GLY
89
n
89
GLY
89
B
GLY
90
n
90
GLY
90
B
PRO
91
n
91
PRO
91
B
GLU
92
n
92
GLU
92
B
PRO
93
n
93
PRO
93
B
GLY
94
n
94
GLY
94
B
VAL
95
n
95
VAL
95
B
GLY
96
n
96
GLY
96
B
CYS
97
n
97
CYS
97
B
ALA
98
n
98
ALA
98
B
GLY
99
n
99
GLY
99
B
ARG
100
n
100
ARG
100
B
GLY
101
n
101
GLY
101
B
VAL
102
n
102
VAL
102
B
ILE
103
n
103
ILE
103
B
THR
104
n
104
THR
104
B
ALA
105
n
105
ALA
105
B
ILE
106
n
106
ILE
106
B
ASN
107
n
107
ASN
107
B
PHE
108
n
108
PHE
108
B
LEU
109
n
109
LEU
109
B
GLU
110
n
110
GLU
110
B
GLU
111
n
111
GLU
111
B
GLU
112
n
112
GLU
112
B
GLY
113
n
113
GLY
113
B
ALA
114
n
114
ALA
114
B
TYR
115
n
115
TYR
115
B
GLU
116
n
116
GLU
116
B
ASP
117
n
117
ASP
117
B
ASP
118
n
118
ASP
118
B
LEU
119
n
119
LEU
119
B
ASP
120
n
120
ASP
120
B
PHE
121
n
121
PHE
121
B
VAL
122
n
122
VAL
122
B
PHE
123
n
123
PHE
123
B
TYR
124
n
124
TYR
124
B
ASP
125
n
125
ASP
125
B
VAL
126
n
126
VAL
126
B
LEU
127
n
127
LEU
127
B
GLY
128
n
128
GLY
128
B
ASP
129
n
129
ASP
129
B
VAL
130
n
130
VAL
130
B
VAL
131
n
131
VAL
131
B
CYS
132
n
132
CYS
132
B
GLY
133
n
133
GLY
133
B
GLY
134
n
134
GLY
134
B
TRP
135
n
135
TRP
135
B
ALA
136
n
136
ALA
136
B
MET
137
n
137
MET
137
B
PRO
138
n
138
PRO
138
B
ILE
139
n
139
ILE
139
B
ARG
140
n
140
ARG
140
B
GLU
141
n
141
GLU
141
B
ASN
142
n
142
ASN
142
B
LYS
143
n
143
LYS
143
B
ALA
144
n
144
ALA
144
B
GLN
145
n
145
GLN
145
B
GLU
146
n
146
GLU
146
B
ILE
147
n
147
ILE
147
B
TYR
148
n
148
TYR
148
B
ILE
149
n
149
ILE
149
B
VAL
150
n
150
VAL
150
B
CYS
151
n
151
CYS
151
B
SER
152
n
152
SER
152
B
GLY
153
n
153
GLY
153
B
GLU
154
n
154
GLU
154
B
MET
155
n
155
MET
155
B
MET
156
n
156
MET
156
B
ALA
157
n
157
ALA
157
B
MET
158
n
158
MET
158
B
TYR
159
n
159
TYR
159
B
ALA
160
n
160
ALA
160
B
ALA
161
n
161
ALA
161
B
ASN
162
n
162
ASN
162
B
ASN
163
n
163
ASN
163
B
ILE
164
n
164
ILE
164
B
SER
165
n
165
SER
165
B
LYS
166
n
166
LYS
166
B
GLY
167
n
167
GLY
167
B
ILE
168
n
168
ILE
168
B
VAL
169
n
169
VAL
169
B
LYS
170
n
170
LYS
170
B
TYR
171
n
171
TYR
171
B
ALA
172
n
172
ALA
172
B
ASN
173
n
173
ASN
173
B
SER
174
n
174
SER
174
B
GLY
175
n
175
GLY
175
B
SER
176
n
176
SER
176
B
VAL
177
n
177
VAL
177
B
ARG
178
n
178
ARG
178
B
LEU
179
n
179
LEU
179
B
GLY
180
n
180
GLY
180
B
GLY
181
n
181
GLY
181
B
LEU
182
n
182
LEU
182
B
ILE
183
n
183
ILE
183
B
CYS
184
n
184
CYS
184
B
ASN
185
n
185
ASN
185
B
SER
186
n
186
SER
186
B
ARG
187
n
187
ARG
187
B
ASN
188
n
188
ASN
188
B
THR
189
n
189
THR
189
B
ASP
190
n
190
ASP
190
B
ARG
191
n
191
ARG
191
B
GLU
192
n
192
GLU
192
B
ASP
193
n
193
ASP
193
B
GLU
194
n
194
GLU
194
B
LEU
195
n
195
LEU
195
B
ILE
196
n
196
ILE
196
B
ILE
197
n
197
ILE
197
B
ALA
198
n
198
ALA
198
B
LEU
199
n
199
LEU
199
B
ALA
200
n
200
ALA
200
B
ASN
201
n
201
ASN
201
B
LYS
202
n
202
LYS
202
B
LEU
203
n
203
LEU
203
B
GLY
204
n
204
GLY
204
B
THR
205
n
205
THR
205
B
GLN
206
n
206
GLN
206
B
MET
207
n
207
MET
207
B
ILE
208
n
208
ILE
208
B
HIS
209
n
209
HIS
209
B
PHE
210
n
210
PHE
210
B
VAL
211
n
211
VAL
211
B
PRO
212
n
212
PRO
212
B
ARG
213
n
213
ARG
213
B
ASP
214
n
214
ASP
214
B
ASN
215
n
215
ASN
215
B
VAL
216
n
216
VAL
216
B
VAL
217
n
217
VAL
217
B
GLN
218
n
218
GLN
218
B
ARG
219
n
219
ARG
219
B
ALA
220
n
220
ALA
220
B
GLU
221
n
221
GLU
221
B
ILE
222
n
222
ILE
222
B
ARG
223
n
223
ARG
223
B
ARG
224
n
224
ARG
224
B
MET
225
n
225
MET
225
B
THR
226
n
226
THR
226
B
VAL
227
n
227
VAL
227
B
ILE
228
n
228
ILE
228
B
GLU
229
n
229
GLU
229
B
TYR
230
n
230
TYR
230
B
ASP
231
n
231
ASP
231
B
PRO
232
n
232
PRO
232
B
LYS
233
n
233
LYS
233
B
ALA
234
n
234
ALA
234
B
LYS
235
n
235
LYS
235
B
GLN
236
n
236
GLN
236
B
ALA
237
n
237
ALA
237
B
ASP
238
n
238
ASP
238
B
GLU
239
n
239
GLU
239
B
TYR
240
n
240
TYR
240
B
ARG
241
n
241
ARG
241
B
ALA
242
n
242
ALA
242
B
LEU
243
n
243
LEU
243
B
ALA
244
n
244
ALA
244
B
ARG
245
n
245
ARG
245
B
LYS
246
n
246
LYS
246
B
VAL
247
n
247
VAL
247
B
VAL
248
n
248
VAL
248
B
ASP
249
n
249
ASP
249
B
ASN
250
n
250
ASN
250
B
LYS
251
n
251
LYS
251
B
LEU
252
n
252
LEU
252
B
LEU
253
n
253
LEU
253
B
VAL
254
n
254
VAL
254
B
ILE
255
n
255
ILE
255
B
PRO
256
n
256
PRO
256
B
ASN
257
n
257
ASN
257
B
PRO
258
n
258
PRO
258
B
ILE
259
n
259
ILE
259
B
THR
260
n
260
THR
260
B
MET
261
n
261
MET
261
B
ASP
262
n
262
ASP
262
B
GLU
263
n
263
GLU
263
B
LEU
264
n
264
LEU
264
B
GLU
265
n
265
GLU
265
B
GLU
266
n
266
GLU
266
B
LEU
267
n
267
LEU
267
B
LEU
268
n
268
LEU
268
B
MET
269
n
269
MET
269
B
GLU
270
n
270
GLU
270
B
PHE
271
n
271
PHE
271
B
GLY
272
n
272
GLY
272
B
ILE
273
n
273
ILE
273
B
MET
274
n
274
MET
274
B
GLU
275
n
275
GLU
275
B
VAL
276
n
276
VAL
276
B
GLU
277
n
277
GLU
277
B
ASP
278
n
278
ASP
278
B
GLU
279
n
279
GLU
279
B
SER
280
n
280
SER
280
B
ILE
281
n
281
ILE
281
B
VAL
282
n
282
VAL
282
B
GLY
283
n
283
GLY
283
B
LYS
284
n
284
LYS
284
B
THR
285
n
285
THR
285
B
ALA
286
n
286
ALA
286
B
GLU
287
n
287
GLU
287
B
GLU
288
n
288
GLU
288
B
VAL
289
n
289
VAL
289
B
author_and_software_defined_assembly
PISA
2
dimeric
3870
-34
22230
A
CYS
97
A
SG
CYS
97
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S1
SF4
1_555
114.8
A
CYS
97
A
SG
CYS
97
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S2
SF4
1_555
112.0
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S2
SF4
1_555
108.9
A
CYS
97
A
SG
CYS
97
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
111.3
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
104.4
A
SF4
290
C
S2
SF4
1_555
A
SF4
290
C
FE3
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
104.6
A
CYS
132
A
SG
CYS
132
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S1
SF4
1_555
101.8
A
CYS
132
A
SG
CYS
132
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
116.4
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
107.9
A
CYS
132
A
SG
CYS
132
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
117.1
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
104.4
A
SF4
290
C
S3
SF4
1_555
A
SF4
290
C
FE2
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
108.0
B
CYS
97
B
SG
CYS
97
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S2
SF4
1_555
111.1
B
CYS
97
B
SG
CYS
97
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
111.1
A
SF4
290
C
S2
SF4
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
110.8
B
CYS
97
B
SG
CYS
97
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
111.1
A
SF4
290
C
S2
SF4
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
104.3
A
SF4
290
C
S3
SF4
1_555
A
SF4
290
C
FE1
SF4
1_555
A
SF4
290
C
S4
SF4
1_555
108.3
B
CYS
132
B
SG
CYS
132
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S1
SF4
1_555
117.8
B
CYS
132
B
SG
CYS
132
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S2
SF4
1_555
114.7
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S2
SF4
1_555
107.6
B
CYS
132
B
SG
CYS
132
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
99.1
A
SF4
290
C
S1
SF4
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
109.3
A
SF4
290
C
S2
SF4
1_555
A
SF4
290
C
FE4
SF4
1_555
A
SF4
290
C
S3
SF4
1_555
107.7
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
LYS
77
A
N
LYS
77
A
O
CYS
85
A
O
CYS
85
A
N
LYS
84
A
N
LYS
84
A
O
VAL
33
A
O
VAL
33
A
N
MET
34
A
N
MET
34
A
O
PHE
121
A
O
PHE
121
A
N
VAL
122
A
N
VAL
122
A
O
ARG
3
A
O
ARG
3
A
O
GLN
4
A
O
GLN
4
A
N
GLU
146
A
N
GLU
146
A
N
ILE
147
A
N
ILE
147
A
O
ARG
178
A
O
ARG
178
A
O
LEU
182
A
O
LEU
182
A
N
ILE
208
A
N
ILE
208
B
N
LYS
77
B
N
LYS
77
B
O
CYS
85
B
O
CYS
85
B
N
LYS
84
B
N
LYS
84
B
O
VAL
33
B
O
VAL
33
B
N
MET
34
B
N
MET
34
B
O
PHE
121
B
O
PHE
121
B
N
VAL
122
B
N
VAL
122
B
O
ARG
3
B
O
ARG
3
B
N
ALA
6
B
N
ALA
6
B
O
GLU
146
B
O
GLU
146
B
N
ILE
147
B
N
ILE
147
B
O
ARG
178
B
O
ARG
178
B
O
LEU
182
B
O
LEU
182
B
N
ILE
208
B
N
ILE
208
1
3.34
0.50
120.30
123.64
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
46
46
46
N
1
17.64
2.30
115.30
132.94
A
A
A
CA
CB
CG
LEU
LEU
LEU
70
70
70
N
1
30.33
1.40
123.60
153.93
A
A
A
CD
NE
CZ
ARG
ARG
ARG
100
100
100
N
1
9.77
0.50
120.30
130.07
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
100
100
100
N
1
-11.14
0.50
120.30
109.16
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
100
100
100
N
1
6.89
0.80
106.30
113.19
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
135
135
135
N
1
-6.28
0.80
107.30
101.02
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
135
135
135
N
1
3.25
0.50
120.30
123.55
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
178
178
178
N
1
3.32
0.50
120.30
123.62
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
187
187
187
N
1
3.18
0.50
120.30
123.48
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
241
241
241
N
1
30.37
1.40
123.60
153.97
A
A
A
CD
NE
CZ
ARG
ARG
ARG
245
245
245
N
1
9.95
0.50
120.30
130.25
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
245
245
245
N
1
-9.95
0.50
120.30
110.35
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
245
245
245
N
1
-14.97
1.80
110.60
95.63
A
A
A
N
CA
CB
ASP
ASP
ASP
249
249
249
N
1
17.17
2.30
115.30
132.47
B
B
B
CA
CB
CG
LEU
LEU
LEU
70
70
70
N
1
30.33
1.40
123.60
153.93
B
B
B
CD
NE
CZ
ARG
ARG
ARG
100
100
100
N
1
-10.71
0.50
120.30
109.59
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
100
100
100
N
1
9.45
0.50
120.30
129.75
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
100
100
100
N
1
6.65
0.80
106.30
112.95
B
B
B
CD1
CG
CD2
TRP
TRP
TRP
135
135
135
N
1
-5.95
0.80
107.30
101.35
B
B
B
CE2
CD2
CG
TRP
TRP
TRP
135
135
135
N
1
3.47
0.50
120.30
123.77
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
178
178
178
N
1
3.31
0.50
120.30
123.61
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
187
187
187
N
1
3.09
0.50
120.30
123.39
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
241
241
241
N
1
30.50
1.40
123.60
154.10
B
B
B
CD
NE
CZ
ARG
ARG
ARG
245
245
245
N
1
-10.42
0.50
120.30
109.88
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
245
245
245
N
1
9.99
0.50
120.30
130.29
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
245
245
245
N
1
-11.25
1.80
110.60
99.35
B
B
B
N
CA
CB
ASP
ASP
ASP
249
249
249
N
1
A
A
NE2
CD2
HIS
HIS
50
50
-0.072
0.011
1.373
1.301
N
1
B
B
NE2
CD2
HIS
HIS
50
50
-0.070
0.011
1.373
1.303
N
1
A
ALA
42
-78.09
22.67
1
A
ASP
118
-25.81
111.93
1
A
ASP
129
-124.57
-77.20
1
A
THR
205
-118.21
-161.66
1
B
ALA
42
-77.76
22.46
1
B
ASP
118
-25.67
112.21
1
B
ASP
129
-124.79
-78.27
1
B
THR
205
-117.68
-161.26
0.281
0.221
0.221
2.4
20.0
1152
265157
22802
5.0
1
0
0
2.4
20.0
224
4612
8
0
4380
0.010
36.3
2.4
20.0
1DE0
265157
24852
0
18.4
0.077
1
6
9.37
0.253
2.40
2.44
6
0.2
model building
X-PLOR
refinement
X-PLOR
3.1
phasing
X-PLOR
MODULATING THE MIDPOINT POTENTIAL OF THE [4FE-4S] CLUSTER OF THE NITROGENASE FE PROTEIN
1
N
N
1
N
N
2
N
N
3
N
N
3
N
N
A
GLY
14
A
GLY
14
HELX_P
A
MET
29
A
MET
29
1
1
16
A
THR
45
A
THR
45
HELX_P
A
HIS
50
A
HIS
50
1
2
6
A
THR
56
A
THR
56
HELX_P
A
GLY
65
A
GLY
65
1
3
10
A
THR
66
A
THR
66
HELX_P
A
LEU
70
A
LEU
70
5
4
5
A
GLU
71
A
GLU
71
HELX_P
A
LEU
76
A
LEU
76
1
5
6
A
TYR
80
A
TYR
80
HELX_P
A
GLY
82
A
GLY
82
5
6
3
A
CYS
97
A
CYS
97
HELX_P
A
GLU
112
A
GLU
112
1
7
16
A
ALA
136
A
ALA
136
HELX_P
A
GLU
141
A
GLU
141
1
8
6
A
GLU
154
A
GLU
154
HELX_P
A
TYR
171
A
TYR
171
1
9
18
A
ARG
191
A
ARG
191
HELX_P
A
LEU
203
A
LEU
203
1
10
13
A
ASP
214
A
ASP
214
HELX_P
A
ILE
222
A
ILE
222
1
11
9
A
THR
226
A
THR
226
HELX_P
A
ASP
231
A
ASP
231
1
12
6
A
ALA
234
A
ALA
234
HELX_P
A
ASN
250
A
ASN
250
1
13
17
A
THR
260
A
THR
260
HELX_P
A
PHE
271
A
PHE
271
1
14
12
A
ASP
278
A
ASP
278
HELX_P
A
VAL
282
A
VAL
282
5
15
5
B
GLY
14
B
GLY
14
HELX_P
B
MET
29
B
MET
29
1
16
16
B
THR
45
B
THR
45
HELX_P
B
HIS
50
B
HIS
50
1
17
6
B
THR
56
B
THR
56
HELX_P
B
GLY
65
B
GLY
65
1
18
10
B
THR
66
B
THR
66
HELX_P
B
LEU
70
B
LEU
70
5
19
5
B
GLU
71
B
GLU
71
HELX_P
B
LEU
76
B
LEU
76
1
20
6
B
TYR
80
B
TYR
80
HELX_P
B
GLY
82
B
GLY
82
5
21
3
B
CYS
97
B
CYS
97
HELX_P
B
GLU
112
B
GLU
112
1
22
16
B
ALA
136
B
ALA
136
HELX_P
B
GLU
141
B
GLU
141
1
23
6
B
GLU
154
B
GLU
154
HELX_P
B
TYR
171
B
TYR
171
1
24
18
B
ARG
191
B
ARG
191
HELX_P
B
GLY
204
B
GLY
204
1
25
14
B
ASP
214
B
ASP
214
HELX_P
B
ILE
222
B
ILE
222
1
26
9
B
THR
226
B
THR
226
HELX_P
B
ASP
231
B
ASP
231
1
27
6
B
ALA
234
B
ALA
234
HELX_P
B
ASN
250
B
ASN
250
1
28
17
B
THR
260
B
THR
260
HELX_P
B
PHE
271
B
PHE
271
1
29
12
B
ASP
278
B
ASP
278
HELX_P
B
VAL
282
B
VAL
282
5
30
5
metalc
2.085
A
CYS
97
A
SG
CYS
97
1_555
A
SF4
290
C
FE3
SF4
1_555
metalc
2.370
A
CYS
132
A
SG
CYS
132
1_555
A
SF4
290
C
FE2
SF4
1_555
metalc
2.175
A
SF4
290
C
FE1
SF4
1_555
B
CYS
97
B
SG
CYS
97
1_555
metalc
2.364
A
SF4
290
C
FE4
SF4
1_555
B
CYS
132
B
SG
CYS
132
1_555
OXIDOREDUCTASE
REDOX PROTEINS, [FES] CLUSTERS, FE PROTEIN, OXIDOREDUCTASE
NIFH1_AZOVI
UNP
1
P00459
1
289
1DE0
1
289
P00459
A
1
1
289
1
289
1DE0
1
289
P00459
B
1
1
289
1
PHE
engineered mutation
TRP
135
1DE0
A
P00459
UNP
135
135
2
PHE
engineered mutation
TRP
135
1DE0
B
P00459
UNP
135
135
8
8
anti-parallel
parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
parallel
A
LYS
77
A
LYS
77
A
ALA
78
A
ALA
78
A
LYS
84
A
LYS
84
A
GLU
87
A
GLU
87
A
VAL
33
A
VAL
33
A
GLY
37
A
GLY
37
A
PHE
121
A
PHE
121
A
LEU
127
A
LEU
127
A
ARG
3
A
ARG
3
A
GLY
9
A
GLY
9
A
GLU
146
A
GLU
146
A
CYS
151
A
CYS
151
A
ARG
178
A
ARG
178
A
ASN
185
A
ASN
185
A
MET
207
A
MET
207
A
VAL
211
A
VAL
211
B
LYS
77
B
LYS
77
B
ALA
78
B
ALA
78
B
LYS
84
B
LYS
84
B
GLU
87
B
GLU
87
B
VAL
33
B
VAL
33
B
GLY
37
B
GLY
37
B
PHE
121
B
PHE
121
B
LEU
127
B
LEU
127
B
ARG
3
B
ARG
3
B
GLY
9
B
GLY
9
B
GLU
146
B
GLU
146
B
CYS
151
B
CYS
151
B
ARG
178
B
ARG
178
B
ASN
185
B
ASN
185
B
MET
207
B
MET
207
B
VAL
211
B
VAL
211
BINDING SITE FOR RESIDUE SF4 A 290
A
SF4
290
Software
8
A
CYS
97
A
CYS
97
8
1_555
A
ALA
98
A
ALA
98
8
1_555
A
CYS
132
A
CYS
132
8
1_555
A
GLY
134
A
GLY
134
8
1_555
B
CYS
97
B
CYS
97
8
1_555
B
ALA
98
B
ALA
98
8
1_555
B
CYS
132
B
CYS
132
8
1_555
B
GLY
134
B
GLY
134
8
1_555
4
P 1 21 1