1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Dangi, B.
Sarma, S.
Yan, C.
Banville, D.
Guiles, R.D.
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
C34 H32 Fe N4 O4
616.487
PROTOPORPHYRIN IX CONTAINING FE
HEME
non-polymer
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
C
N
124
N
C
N
125
N
C
N
126
N
C
Y
127
N
C
Y
128
N
C
Y
129
N
C
Y
130
N
C
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
C
N
135
N
O
N
136
N
O
N
137
N
C
N
138
N
C
N
139
N
C
N
140
N
C
N
141
N
C
N
142
N
C
N
143
N
C
Y
144
N
C
Y
145
N
C
Y
146
N
C
Y
147
N
C
N
148
N
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
C
N
156
N
C
N
157
N
C
N
158
N
C
N
159
N
O
N
160
N
O
Y
161
N
N
N
162
N
N
Y
163
N
N
N
164
N
N
N
165
N
FE
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
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
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
N
N
199
S
C
N
200
N
C
N
201
N
O
N
202
N
C
Y
203
N
C
Y
204
N
N
Y
205
N
C
Y
206
N
C
Y
207
N
N
N
208
N
O
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
N
N
220
S
C
N
221
N
C
N
222
N
O
N
223
S
C
N
224
N
C
N
225
N
C
N
226
N
C
N
227
N
O
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
N
N
242
S
C
N
243
N
C
N
244
N
O
N
245
N
C
N
246
N
C
N
247
N
C
N
248
N
C
N
249
N
O
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
N
N
264
S
C
N
265
N
C
N
266
N
O
N
267
N
C
N
268
N
C
N
269
N
C
N
270
N
C
N
271
N
N
N
272
N
O
N
273
N
H
N
274
N
H
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
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
Y
298
N
C
N
299
N
O
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
N
316
N
C
N
317
N
C
N
318
N
O
N
319
N
H
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
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
N
333
N
O
N
334
N
O
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
N
N
343
S
C
N
344
N
C
N
345
N
O
N
346
R
C
N
347
N
O
N
348
N
C
N
349
N
O
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
H
N
358
N
H
N
359
N
N
N
360
S
C
N
361
N
C
N
362
N
O
N
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
Y
367
N
N
Y
368
N
C
Y
369
N
C
Y
370
N
C
Y
371
N
C
Y
372
N
C
N
373
N
O
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
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
N
N
387
S
C
N
388
N
C
N
389
N
O
N
390
N
C
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
Y
396
N
C
N
397
N
O
N
398
N
O
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
N
N
411
S
C
N
412
N
C
N
413
N
O
N
414
N
C
N
415
N
C
N
416
N
C
N
417
N
O
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
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
doub
N
118
N
sing
N
119
N
sing
N
120
N
doub
N
121
N
sing
N
122
N
sing
N
123
N
doub
N
124
N
sing
N
125
N
doub
N
126
N
sing
N
127
N
sing
Y
128
N
doub
Y
129
N
sing
Y
130
N
sing
N
131
N
sing
Y
132
N
doub
N
133
N
sing
Y
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
doub
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
doub
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
doub
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
doub
N
157
N
sing
N
158
N
sing
N
159
N
sing
Y
160
N
sing
Y
161
N
sing
Y
162
N
doub
N
163
N
sing
Y
164
N
sing
N
165
N
sing
Y
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
doub
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
doub
N
176
N
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
doub
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
doub
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
Y
209
N
sing
Y
210
N
doub
Y
211
N
doub
N
212
N
sing
Y
213
N
sing
N
214
N
sing
Y
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
doub
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
sing
N
244
N
sing
N
245
N
sing
N
246
N
doub
N
247
N
sing
N
248
N
sing
N
249
N
sing
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
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
doub
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
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
Y
296
N
doub
Y
297
N
sing
Y
298
N
sing
N
299
N
sing
Y
300
N
doub
N
301
N
sing
Y
302
N
doub
N
303
N
sing
Y
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
doub
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
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
doub
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
N
342
N
sing
N
343
N
sing
N
344
N
doub
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
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
doub
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
Y
365
N
doub
Y
366
N
sing
Y
367
N
sing
N
368
N
sing
Y
369
N
doub
Y
370
N
sing
Y
371
N
sing
N
372
N
sing
Y
373
N
sing
Y
374
N
doub
N
375
N
sing
Y
376
N
doub
N
377
N
sing
Y
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
N
388
N
doub
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
Y
393
N
doub
Y
394
N
sing
Y
395
N
sing
N
396
N
sing
Y
397
N
doub
N
398
N
sing
Y
399
N
doub
N
400
N
sing
Y
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
doub
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
37
8289
8302
10.1021/bi9801964
9622481
The origin of differences in the physical properties of the equilibrium forms of cytochrome b5 revealed through high-resolution NMR structures and backbone dynamic analyses.
1998
10.2210/pdb1b5a/pdb
pdb_00001b5a
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
HEME AS PROSTHETIC GROUP, WITH H63 AND H39 AS AXIAL LIGANDS
10813.908
FERROCYTOCHROME B5
1
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
1
syn
non-polymer
no
no
DKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYIIGELH
PDDRSKIAKPSETL
DKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYIIGELH
PDDRSKIAKPSETL
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
Norway rat
sample
10116
Rattus norvegicus
469008
Escherichia coli BL21(DE3)
BL21(DE3) PLYSS
plasmid
PET3C
pdbx_database_status
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conf
struct_conf_type
entity_src_gen
pdbx_nmr_details
pdbx_nmr_exptl_sample
pdbx_nmr_exptl_sample_conditions
pdbx_nmr_representative
pdbx_nmr_sample_details
pdbx_nmr_software
pdbx_nmr_spectrometer
chem_comp_atom
chem_comp_bond
database_2
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Other
Data collection
Experimental preparation
Source and taxonomy
Data collection
Database references
Derived calculations
1
0
1998-06-17
1
1
2008-03-24
1
2
2011-07-13
1
3
2017-11-29
1
4
2018-08-08
1
5
2024-04-10
_pdbx_database_status.process_site
_entity_src_gen.gene_src_genus
_entity_src_gen.host_org_genus
_entity_src_gen.pdbx_host_org_cell_line
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id
_entity_src_gen.pdbx_host_org_scientific_name
_entity_src_gen.pdbx_host_org_strain
_entity_src_gen.pdbx_host_org_vector_type
_pdbx_nmr_exptl_sample_conditions.ionic_strength
_pdbx_nmr_exptl_sample_conditions.ionic_strength_units
_pdbx_nmr_exptl_sample_conditions.label
_pdbx_nmr_exptl_sample_conditions.pH_units
_pdbx_nmr_exptl_sample_conditions.pressure
_pdbx_nmr_spectrometer.field_strength
_pdbx_nmr_spectrometer.manufacturer
_pdbx_nmr_spectrometer.model
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_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_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_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1998-04-06
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
THIS STRUCTURE REPRESENTS THE A CONFORMATION OF THE RAT FERROCYTOCHROME B5. IT IS THE STRUCTURE CLOSEST TO THE AVERAGE AS ANALYZED BY X-PLOR. 200 STRUCTURES WERE CALCULATED USING DIANA 2.1 AND ONE STRUCTURE WAS CHOSEN TO REPRESENT THE FINAL RESULTS. THE STRUCTURE WAS DETERMINED USING 2D AND 3D EXPERIMENTS INCLUDING DISTANCE AND ANGULAR RESTRAINTS FROM HNHA.
CLOSEST TO THE AVERAGE STRUCTURE, LOW TARGET FUNCTION
200
1
NOESY
DQF-COSY
TOCSY
N15 3D NOESY-HMQC
N15 3D TOCSY-HMQC
3D HCCH-TOCSY
HNCO
CBCA(CO)NH
HSQC
HCACO< HNHA
[U-13C; U-15N]
100
mM
natural abundance
0.5
mM
natural abundance
100
mM
sample_conditions
7.0
pH
ambient
313
K
distance geometry
1
closest to the average structure, low target function
[U-13C; U-15N] Cytochrome b5, 100 mM phosphate buffer, 0.5 mM TSP, pH 7.0, 90% H2O/10% D2O
The sample was reduced by purging with nitrogen prior to addition of sodium dithionite.
sample_1
90% H2O/10% D2O
solution
WUTHRICH
refinement
DIANA
2.1
WUTHRICH
structure calculation
DIANA
2.1
refinement
X-PLOR
data analysis
X-PLOR
600
Bruker
AMX
500
Varian
UNITYPLUS
HEM
95
2
HEM
HEM
95
A
ASP
1
n
1
ASP
1
A
LYS
2
n
2
LYS
2
A
ASP
3
n
3
ASP
3
A
VAL
4
n
4
VAL
4
A
LYS
5
n
5
LYS
5
A
TYR
6
n
6
TYR
6
A
TYR
7
n
7
TYR
7
A
THR
8
n
8
THR
8
A
LEU
9
n
9
LEU
9
A
GLU
10
n
10
GLU
10
A
GLU
11
n
11
GLU
11
A
ILE
12
n
12
ILE
12
A
GLN
13
n
13
GLN
13
A
LYS
14
n
14
LYS
14
A
HIS
15
n
15
HIS
15
A
LYS
16
n
16
LYS
16
A
ASP
17
n
17
ASP
17
A
SER
18
n
18
SER
18
A
LYS
19
n
19
LYS
19
A
SER
20
n
20
SER
20
A
THR
21
n
21
THR
21
A
TRP
22
n
22
TRP
22
A
VAL
23
n
23
VAL
23
A
ILE
24
n
24
ILE
24
A
LEU
25
n
25
LEU
25
A
HIS
26
n
26
HIS
26
A
HIS
27
n
27
HIS
27
A
LYS
28
n
28
LYS
28
A
VAL
29
n
29
VAL
29
A
TYR
30
n
30
TYR
30
A
ASP
31
n
31
ASP
31
A
LEU
32
n
32
LEU
32
A
THR
33
n
33
THR
33
A
LYS
34
n
34
LYS
34
A
PHE
35
n
35
PHE
35
A
LEU
36
n
36
LEU
36
A
GLU
37
n
37
GLU
37
A
GLU
38
n
38
GLU
38
A
HIS
39
n
39
HIS
39
A
PRO
40
n
40
PRO
40
A
GLY
41
n
41
GLY
41
A
GLY
42
n
42
GLY
42
A
GLU
43
n
43
GLU
43
A
GLU
44
n
44
GLU
44
A
VAL
45
n
45
VAL
45
A
LEU
46
n
46
LEU
46
A
ARG
47
n
47
ARG
47
A
GLU
48
n
48
GLU
48
A
GLN
49
n
49
GLN
49
A
ALA
50
n
50
ALA
50
A
GLY
51
n
51
GLY
51
A
GLY
52
n
52
GLY
52
A
ASP
53
n
53
ASP
53
A
ALA
54
n
54
ALA
54
A
THR
55
n
55
THR
55
A
GLU
56
n
56
GLU
56
A
ASN
57
n
57
ASN
57
A
PHE
58
n
58
PHE
58
A
GLU
59
n
59
GLU
59
A
ASP
60
n
60
ASP
60
A
VAL
61
n
61
VAL
61
A
GLY
62
n
62
GLY
62
A
HIS
63
n
63
HIS
63
A
SER
64
n
64
SER
64
A
THR
65
n
65
THR
65
A
ASP
66
n
66
ASP
66
A
ALA
67
n
67
ALA
67
A
ARG
68
n
68
ARG
68
A
GLU
69
n
69
GLU
69
A
LEU
70
n
70
LEU
70
A
SER
71
n
71
SER
71
A
LYS
72
n
72
LYS
72
A
THR
73
n
73
THR
73
A
TYR
74
n
74
TYR
74
A
ILE
75
n
75
ILE
75
A
ILE
76
n
76
ILE
76
A
GLY
77
n
77
GLY
77
A
GLU
78
n
78
GLU
78
A
LEU
79
n
79
LEU
79
A
HIS
80
n
80
HIS
80
A
PRO
81
n
81
PRO
81
A
ASP
82
n
82
ASP
82
A
ASP
83
n
83
ASP
83
A
ARG
84
n
84
ARG
84
A
SER
85
n
85
SER
85
A
LYS
86
n
86
LYS
86
A
ILE
87
n
87
ILE
87
A
ALA
88
n
88
ALA
88
A
LYS
89
n
89
LYS
89
A
PRO
90
n
90
PRO
90
A
SER
91
n
91
SER
91
A
GLU
92
n
92
GLU
92
A
THR
93
n
93
THR
93
A
LEU
94
n
94
LEU
94
A
author_defined_assembly
1
monomeric
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NA
HEM
1_555
86.8
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NB
HEM
1_555
96.9
A
HEM
95
B
NA
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NB
HEM
1_555
90.8
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NC
HEM
1_555
92.5
A
HEM
95
B
NA
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NC
HEM
1_555
179.2
A
HEM
95
B
NB
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
NC
HEM
1_555
89.8
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
ND
HEM
1_555
82.6
A
HEM
95
B
NA
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
ND
HEM
1_555
89.7
A
HEM
95
B
NB
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
ND
HEM
1_555
179.3
A
HEM
95
B
NC
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HEM
95
B
ND
HEM
1_555
89.7
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
161.4
A
HEM
95
B
NA
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
79.0
A
HEM
95
B
NB
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
95.3
A
HEM
95
B
NC
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
101.6
A
HEM
95
B
ND
HEM
1_555
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
85.3
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
O
LYS
5
A
O
LYS
5
A
N
GLU
78
A
N
GLU
78
A
N
LEU
79
A
N
LEU
79
A
O
HIS
27
A
O
HIS
27
A
N
LEU
32
A
N
LEU
32
A
O
THR
21
A
O
THR
21
A
O
TRP
22
A
O
TRP
22
A
N
GLY
51
A
N
GLY
51
1
A
A
O
H
LEU
GLN
9
13
1.56
1
A
PRO
40
-74.98
24.61
1
A
HIS
63
-36.40
134.01
1
A
TYR
74
-82.18
49.18
1
A
ILE
76
-135.47
-58.32
1
A
ALA
88
-39.42
107.90
1
A
LYS
89
-178.99
-59.96
1
A
SER
91
54.13
170.47
1
A
THR
93
-109.02
-61.39
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
RAT FERROCYTOCHROME B5 A CONFORMATION, NMR, 1 STRUCTURE
1
Y
N
2
N
N
A
LEU
9
A
LEU
9
HELX_P
A
ILE
12
A
ILE
12
1
I
4
A
THR
33
A
THR
33
HELX_P
A
GLU
38
A
GLU
38
1
II
6
A
GLU
44
A
GLU
44
HELX_P
A
ARG
47
A
ARG
47
1
III
4
A
ASP
53
A
ASP
53
HELX_P
A
ASP
60
A
ASP
60
1
IV
8
A
THR
65
A
THR
65
HELX_P
A
SER
71
A
SER
71
1
V
7
A
PRO
81
A
PRO
81
HELX_P
A
LYS
86
A
LYS
86
5
VI
6
metalc
1.939
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
metalc
2.059
A
HIS
63
A
NE2
HIS
63
1_555
A
HEM
95
B
FE
HEM
1_555
ELECTRON TRANSPORT
ELECTRON TRANSPORT
CYB5_RAT
UNP
1
1
P00173
AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII
GELHPDDRSKIAKPSETLITTVESNSSWWTNWVIPAISALVVALMYRLYMAED
5
98
1B5A
1
94
P00173
A
1
1
94
5
parallel
anti-parallel
anti-parallel
parallel
A
LYS
5
A
LYS
5
A
TYR
7
A
TYR
7
A
TYR
74
A
TYR
74
A
HIS
80
A
HIS
80
A
HIS
27
A
HIS
27
A
LEU
32
A
LEU
32
A
THR
21
A
THR
21
A
LEU
25
A
LEU
25
A
GLY
51
A
GLY
51
A
ALA
54
A
ALA
54
BINDING SITE FOR RESIDUE HEM A 95
A
HEM
95
Software
13
A
VAL
23
A
VAL
23
13
1_555
A
LEU
32
A
LEU
32
13
1_555
A
PHE
35
A
PHE
35
13
1_555
A
HIS
39
A
HIS
39
13
1_555
A
PRO
40
A
PRO
40
13
1_555
A
VAL
45
A
VAL
45
13
1_555
A
LEU
46
A
LEU
46
13
1_555
A
GLN
49
A
GLN
49
13
1_555
A
VAL
61
A
VAL
61
13
1_555
A
HIS
63
A
HIS
63
13
1_555
A
SER
64
A
SER
64
13
1_555
A
ASP
66
A
ASP
66
13
1_555
A
LEU
70
A
LEU
70
13
1_555
1
P 1