1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Arnesano, F.
Banci, L.
Bertini, I.
Felli, I.C.
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
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
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
N
293
N
C
N
294
N
S
N
295
N
C
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
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
Y
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
H
N
330
N
H
N
331
N
N
N
332
S
C
N
333
N
C
N
334
N
O
N
335
N
C
N
336
N
C
N
337
N
C
N
338
N
O
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
N
N
349
S
C
N
350
N
C
N
351
N
O
N
352
N
C
N
353
N
O
N
354
N
O
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
N
N
363
S
C
N
364
N
C
N
365
N
O
N
366
R
C
N
367
N
O
N
368
N
C
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
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
N
C
Y
384
N
C
Y
385
N
C
Y
386
N
C
Y
387
N
N
Y
388
N
C
Y
389
N
C
Y
390
N
C
Y
391
N
C
Y
392
N
C
N
393
N
O
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
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
N
N
407
S
C
N
408
N
C
N
409
N
O
N
410
N
C
Y
411
N
C
Y
412
N
C
Y
413
N
C
Y
414
N
C
Y
415
N
C
Y
416
N
C
N
417
N
O
N
418
N
O
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
429
N
H
N
430
N
N
N
431
S
C
N
432
N
C
N
433
N
O
N
434
N
C
N
435
N
C
N
436
N
C
N
437
N
O
N
438
N
H
N
439
N
H
N
440
N
H
N
441
N
H
N
442
N
H
N
443
N
H
N
444
N
H
N
445
N
H
N
446
N
H
N
447
N
H
N
448
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
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
sing
N
309
N
sing
N
310
N
doub
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
Y
315
N
doub
Y
316
N
sing
Y
317
N
sing
N
318
N
sing
Y
319
N
doub
N
320
N
sing
Y
321
N
doub
N
322
N
sing
Y
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
sing
N
332
N
sing
N
333
N
doub
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
sing
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
doub
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
sing
N
361
N
sing
N
362
N
sing
N
363
N
doub
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
sing
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
doub
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
Y
384
N
doub
Y
385
N
sing
Y
386
N
sing
N
387
N
sing
Y
388
N
doub
Y
389
N
sing
Y
390
N
sing
N
391
N
sing
Y
392
N
sing
Y
393
N
doub
N
394
N
sing
Y
395
N
doub
N
396
N
sing
Y
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
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
doub
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
Y
412
N
doub
Y
413
N
sing
Y
414
N
sing
N
415
N
sing
Y
416
N
doub
N
417
N
sing
Y
418
N
doub
N
419
N
sing
Y
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
N
424
N
sing
N
425
N
sing
N
426
N
sing
N
427
N
sing
N
428
N
sing
N
429
N
sing
N
430
N
sing
N
431
N
doub
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
sing
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
IX
Eur.J.Biochem.
EJBCAI
0262
0014-2956
260
347
354
10.1046/j.1432-1327.1999.00167.x
10095768
Solution structure of the B form of oxidized rat microsomal cytochrome b5 and backbone dynamics via 15N rotating-frame NMR-relaxation measurements. Biological implications.
1999
10.2210/pdb1bfx/pdb
pdb_00001bfx
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
FROM RAT MICROSOMAL MEMBRANE
11360.501
CYTOCHROME B5
SOLUBLE DOMAIN
1
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
1
syn
non-polymer
no
no
MAEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYI
IGELHPDDRSKIAKPSETL
MAEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYI
IGELHPDDRSKIAKPSETL
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Norway rat
Rattus
Escherichia
sample
10116
LIVER
MICROSOME
Rattus norvegicus
CYTOPLASM
562
Escherichia coli
NM522
PLASMID
PUC 13
database_2
pdbx_database_status
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Other
Data collection
1
0
1998-08-12
1
1
2008-03-03
1
2
2011-07-13
1
3
2022-02-16
1
4
2024-05-22
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_nmr_software.name
_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
1998-05-23
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
MINIMIZED AVERAGE
40
1
NOESY
TOCSY
PHOSPHATE 1mM
7
1
atm
298
K
PSEUDOREM (BANCI, BERTINI, GORI SAVELLINI, ROMAGNOLI, TURANO, CREMONINI, LUCHINAT, GRAY) ALSO WAS USED.
TORSION ANGLE MOLECULAR DYNAMICS SIMULATED ANNEALING, RESTRAINED ENERGY MINIMIZATION. PSEUDOCONTACT SHIFTS WERE USED IN THE CALCULATION AND IN THE MINIMIZATION AS FURTHER NON-CLASSICAL CONSTRAINTS.
H2O AND D2O
PEARLMAN,CASE,CALDWELL,ROSS,CHEATHAM, FERGUSON,SEIBEL,SINGH,WEINER,KOLLMAN
refinement
Amber
structure solution
DYANA
structure solution
PSEUDYANA
structure solution
Amber
800
Bruker
AVANCE 800 MHZ
HEM
96
2
HEM
HEM
96
A
n
1
-4
A
n
2
-3
A
n
3
-2
A
n
4
-1
A
n
5
0
A
ASP
1
n
6
ASP
1
A
LYS
2
n
7
LYS
2
A
ASP
3
n
8
ASP
3
A
VAL
4
n
9
VAL
4
A
LYS
5
n
10
LYS
5
A
TYR
6
n
11
TYR
6
A
TYR
7
n
12
TYR
7
A
THR
8
n
13
THR
8
A
LEU
9
n
14
LEU
9
A
GLU
10
n
15
GLU
10
A
GLU
11
n
16
GLU
11
A
ILE
12
n
17
ILE
12
A
GLN
13
n
18
GLN
13
A
LYS
14
n
19
LYS
14
A
HIS
15
n
20
HIS
15
A
LYS
16
n
21
LYS
16
A
ASP
17
n
22
ASP
17
A
SER
18
n
23
SER
18
A
LYS
19
n
24
LYS
19
A
SER
20
n
25
SER
20
A
THR
21
n
26
THR
21
A
TRP
22
n
27
TRP
22
A
VAL
23
n
28
VAL
23
A
ILE
24
n
29
ILE
24
A
LEU
25
n
30
LEU
25
A
HIS
26
n
31
HIS
26
A
HIS
27
n
32
HIS
27
A
LYS
28
n
33
LYS
28
A
VAL
29
n
34
VAL
29
A
TYR
30
n
35
TYR
30
A
ASP
31
n
36
ASP
31
A
LEU
32
n
37
LEU
32
A
THR
33
n
38
THR
33
A
LYS
34
n
39
LYS
34
A
PHE
35
n
40
PHE
35
A
LEU
36
n
41
LEU
36
A
GLU
37
n
42
GLU
37
A
GLU
38
n
43
GLU
38
A
HIS
39
n
44
HIS
39
A
PRO
40
n
45
PRO
40
A
GLY
41
n
46
GLY
41
A
GLY
42
n
47
GLY
42
A
GLU
43
n
48
GLU
43
A
GLU
44
n
49
GLU
44
A
VAL
45
n
50
VAL
45
A
LEU
46
n
51
LEU
46
A
ARG
47
n
52
ARG
47
A
GLU
48
n
53
GLU
48
A
GLN
49
n
54
GLN
49
A
ALA
50
n
55
ALA
50
A
GLY
51
n
56
GLY
51
A
GLY
52
n
57
GLY
52
A
ASP
53
n
58
ASP
53
A
ALA
54
n
59
ALA
54
A
THR
55
n
60
THR
55
A
GLU
56
n
61
GLU
56
A
ASN
57
n
62
ASN
57
A
PHE
58
n
63
PHE
58
A
GLU
59
n
64
GLU
59
A
ASP
60
n
65
ASP
60
A
VAL
61
n
66
VAL
61
A
GLY
62
n
67
GLY
62
A
HIS
63
n
68
HIS
63
A
SER
64
n
69
SER
64
A
THR
65
n
70
THR
65
A
ASP
66
n
71
ASP
66
A
ALA
67
n
72
ALA
67
A
ARG
68
n
73
ARG
68
A
GLU
69
n
74
GLU
69
A
LEU
70
n
75
LEU
70
A
SER
71
n
76
SER
71
A
LYS
72
n
77
LYS
72
A
THR
73
n
78
THR
73
A
TYR
74
n
79
TYR
74
A
ILE
75
n
80
ILE
75
A
ILE
76
n
81
ILE
76
A
GLY
77
n
82
GLY
77
A
GLU
78
n
83
GLU
78
A
LEU
79
n
84
LEU
79
A
HIS
80
n
85
HIS
80
A
PRO
81
n
86
PRO
81
A
ASP
82
n
87
ASP
82
A
ASP
83
n
88
ASP
83
A
ARG
84
n
89
ARG
84
A
SER
85
n
90
SER
85
A
LYS
86
n
91
LYS
86
A
ILE
87
n
92
ILE
87
A
ALA
88
n
93
ALA
88
A
LYS
89
n
94
LYS
89
A
PRO
90
n
95
PRO
90
A
SER
91
n
96
SER
91
A
GLU
92
n
97
GLU
92
A
THR
93
n
98
THR
93
A
LEU
94
n
99
LEU
94
A
author_defined_assembly
1
monomeric
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NA
HEM
1_555
89.2
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NB
HEM
1_555
91.1
A
HEM
96
B
NA
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NB
HEM
1_555
92.4
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NC
HEM
1_555
89.7
A
HEM
96
B
NA
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NC
HEM
1_555
177.4
A
HEM
96
B
NB
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
NC
HEM
1_555
90.0
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
ND
HEM
1_555
91.6
A
HEM
96
B
NA
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
ND
HEM
1_555
90.1
A
HEM
96
B
NB
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
ND
HEM
1_555
176.4
A
HEM
96
B
NC
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HEM
96
B
ND
HEM
1_555
87.6
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
68
1_555
178.0
A
HEM
96
B
NA
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
68
1_555
92.3
A
HEM
96
B
NB
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
68
1_555
90.1
A
HEM
96
B
NC
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
68
1_555
88.8
A
HEM
96
B
ND
HEM
1_555
A
HEM
96
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
68
1_555
87.2
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
A
MET
-4
A
MET
1
1
Y
1
A
ALA
-3
A
ALA
2
1
Y
1
A
GLU
-2
A
GLU
3
1
Y
1
A
GLN
-1
A
GLN
4
1
Y
1
A
SER
0
A
SER
5
1
Y
1
A
CA
ASP
1
WRONG HAND
1
A
CA
LYS
2
WRONG HAND
1
A
CA
THR
93
WRONG HAND
1
A
CB
THR
93
WRONG HAND
1
A
A
ASP
LYS
1
2
148.44
1
A
A
ALA
LYS
88
89
-136.98
1
A
A
PRO
SER
90
91
-138.72
1
A
A
SER
GLU
91
92
-147.49
1
A
A
THR
LEU
93
94
120.31
1
A
TYR
6
0.107
SIDE CHAIN
1
A
PHE
58
0.097
SIDE CHAIN
1
A
TYR
74
0.092
SIDE CHAIN
1
-38.41
1.20
123.30
84.89
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
44
44
44
N
1
45.75
2.00
118.30
164.05
A
A
A
CG
CD
OE1
GLU
GLU
GLU
44
44
44
N
1
-39.14
2.00
118.30
79.16
A
A
A
CG
CD
OE2
GLU
GLU
GLU
44
44
44
N
1
13.40
2.20
113.40
126.80
A
A
A
CA
CB
CG
GLU
GLU
GLU
92
92
92
N
1
A
LYS
2
177.28
160.87
1
A
VAL
4
-96.73
-118.70
1
A
LYS
5
134.76
73.46
1
A
SER
18
53.67
-64.72
1
A
HIS
26
61.36
-61.62
1
A
HIS
27
-175.96
32.38
1
A
LEU
36
-29.15
-63.48
1
A
HIS
39
-46.47
106.31
1
A
ASP
82
-52.17
-76.08
1
A
ILE
87
24.64
68.50
1
A
ALA
88
-54.93
106.30
1
A
GLU
92
-179.59
-140.60
1
A
THR
93
-175.00
64.91
model building
DYANA
refinement
AMBER
refinement
DYANA
THE SOLUTION NMR STRUCTURE OF THE B FORM OF OXIDIZED RAT MICROSOMAL CYTOCHROME B5, MINIMIZED AVERAGE STRUCTURE
1
Y
N
2
N
N
A
THR
8
A
THR
13
HELX_P
A
LYS
14
A
LYS
19
1
1
7
A
THR
33
A
THR
38
HELX_P
A
HIS
39
A
HIS
44
5
2
7
A
GLY
42
A
GLY
47
HELX_P
A
ALA
50
A
ALA
55
1
3
9
A
ALA
54
A
ALA
59
HELX_P
A
GLY
62
A
GLY
67
1
4
9
A
ASP
66
A
ASP
71
HELX_P
A
TYR
74
A
TYR
79
1
5
9
A
PRO
81
A
PRO
86
HELX_P
A
ILE
87
A
ILE
92
1
6
7
metalc
1.977
A
HIS
39
A
NE2
HIS
44
1_555
A
HEM
96
B
FE
HEM
1_555
metalc
1.971
A
HIS
63
A
NE2
HIS
68
1_555
A
HEM
96
B
FE
HEM
1_555
ELECTRON TRANSPORT
ELECTRON TRANSPORT, CYTOCHROME B5, PROTEIN RECOGNITION, ELECTRON TRANSFER, SOLUTION STRUCTURE, PARAMAGNETIC NMR
A
GLU
92
A
GLU
97
1
A
THR
93
A
THR
98
-8.03
CYB5_RAT
UNP
1
1
P00173
AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII
GELHPDDRSKIAKPSETLITTVESNSSWWTNWVIPAISALVVALMYRLYMAED
1
98
1BFX
-3
94
P00173
A
1
2
99
3
anti-parallel
anti-parallel
A
THR
21
A
THR
26
A
LEU
25
A
LEU
30
A
LYS
28
A
LYS
33
A
LEU
32
A
LEU
37
A
ILE
75
A
ILE
80
A
GLY
77
A
GLY
82
Unknown
2
BINDING SITE FOR RESIDUE HEM A 96
A
HEM
96
Software
11
A
HIS
39
A
HIS
44
2
1_555
A
HIS
63
A
HIS
68
2
1_555
A
LEU
32
A
LEU
37
11
1_555
A
PHE
35
A
PHE
40
11
1_555
A
HIS
39
A
HIS
44
11
1_555
A
PRO
40
A
PRO
45
11
1_555
A
LEU
46
A
LEU
51
11
1_555
A
GLN
49
A
GLN
54
11
1_555
A
ALA
54
A
ALA
59
11
1_555
A
HIS
63
A
HIS
68
11
1_555
A
SER
64
A
SER
69
11
1_555
A
ALA
67
A
ALA
72
11
1_555
A
SER
71
A
SER
76
11
1_555
1
P 1