0.018501
0.000000
0.000000
0.000000
0.018501
0.000000
0.000000
0.000000
0.005160
0.00000
0.00000
0.00000
Johnson, K.A.
Olson, J.S.
Phillips Jr., G.N.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
54.050
54.050
193.800
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
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
H2 O
18.015
WATER
non-polymer
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
C4 H7 N
69.105
N-PROPYL ISOCYANIDE
non-polymer
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
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
C
N
138
N
C
N
139
N
C
N
140
N
C
Y
141
N
C
Y
142
N
C
Y
143
N
C
Y
144
N
C
N
145
N
C
N
146
N
C
N
147
N
C
N
148
N
C
N
149
N
O
N
150
N
O
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
Y
158
N
C
Y
159
N
C
Y
160
N
C
Y
161
N
C
N
162
N
C
N
163
N
C
N
164
N
C
N
165
N
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
C
N
171
N
C
N
172
N
C
N
173
N
O
N
174
N
O
Y
175
N
N
N
176
N
N
Y
177
N
N
N
178
N
N
N
179
N
FE
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
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
N
N
213
S
C
N
214
N
C
N
215
N
O
N
216
N
C
Y
217
N
C
Y
218
N
N
Y
219
N
C
Y
220
N
C
Y
221
N
N
N
222
N
O
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
O
N
234
N
H
N
235
N
H
N
236
N
N
N
237
S
C
N
238
N
C
N
239
N
O
N
240
N
C
N
241
N
C
N
242
N
C
N
243
N
C
N
244
N
O
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
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
N
N
259
S
C
N
260
N
C
N
261
N
O
N
262
N
C
N
263
N
C
N
264
N
C
N
265
N
C
N
266
N
N
N
267
N
O
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
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
N
N
284
S
C
N
285
N
C
N
286
N
O
N
287
N
C
N
288
N
C
N
289
N
S
N
290
N
C
N
291
N
O
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
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
C
N
304
N
N
N
305
N
C
N
306
N
C
N
307
N
C
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
H
N
312
N
H
N
313
N
H
N
314
N
H
N
315
N
N
N
316
S
C
N
317
N
C
N
318
N
O
N
319
N
C
Y
320
N
C
Y
321
N
C
Y
322
N
C
Y
323
N
C
Y
324
N
C
Y
325
N
C
N
326
N
O
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
N
N
339
S
C
N
340
N
C
N
341
N
O
N
342
N
C
N
343
N
C
N
344
N
C
N
345
N
O
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
N
N
356
S
C
N
357
N
C
N
358
N
O
N
359
N
C
N
360
N
O
N
361
N
O
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
N
N
370
S
C
N
371
N
C
N
372
N
O
N
373
R
C
N
374
N
O
N
375
N
C
N
376
N
O
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
N
Y
395
N
C
Y
396
N
C
Y
397
N
C
Y
398
N
C
Y
399
N
C
N
400
N
O
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
H
N
411
N
H
N
412
N
H
N
413
N
N
N
414
S
C
N
415
N
C
N
416
N
O
N
417
N
C
Y
418
N
C
Y
419
N
C
Y
420
N
C
Y
421
N
C
Y
422
N
C
Y
423
N
C
N
424
N
O
N
425
N
O
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
H
N
431
N
H
N
432
N
H
N
433
N
H
N
434
N
H
N
435
N
H
N
436
N
H
N
437
N
N
N
438
S
C
N
439
N
C
N
440
N
O
N
441
N
C
N
442
N
C
N
443
N
C
N
444
N
O
N
445
N
H
N
446
N
H
N
447
N
H
N
448
N
H
N
449
N
H
N
450
N
H
N
451
N
H
N
452
N
H
N
453
N
H
N
454
N
H
N
455
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
doub
N
131
N
sing
N
132
N
sing
N
133
N
doub
N
134
N
sing
N
135
N
sing
N
136
N
doub
N
137
N
sing
N
138
N
doub
N
139
N
sing
N
140
N
sing
Y
141
N
doub
Y
142
N
sing
Y
143
N
sing
N
144
N
sing
Y
145
N
doub
N
146
N
sing
Y
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
doub
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
doub
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
doub
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
doub
N
170
N
sing
N
171
N
sing
N
172
N
sing
Y
173
N
sing
Y
174
N
sing
Y
175
N
doub
N
176
N
sing
Y
177
N
sing
N
178
N
sing
Y
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
doub
N
189
N
doub
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
doub
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
doub
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
Y
222
N
sing
Y
223
N
doub
Y
224
N
doub
N
225
N
sing
Y
226
N
sing
N
227
N
sing
Y
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
doub
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
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
doub
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
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
doub
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
trip
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
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
doub
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
Y
320
N
doub
Y
321
N
sing
Y
322
N
sing
N
323
N
sing
Y
324
N
doub
N
325
N
sing
Y
326
N
doub
N
327
N
sing
Y
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
doub
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
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
doub
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
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
doub
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
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
doub
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
Y
389
N
doub
Y
390
N
sing
Y
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
sing
Y
398
N
doub
N
399
N
sing
Y
400
N
doub
N
401
N
sing
Y
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
Y
417
N
doub
Y
418
N
sing
Y
419
N
sing
N
420
N
sing
Y
421
N
doub
N
422
N
sing
Y
423
N
doub
N
424
N
sing
Y
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
sing
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
sing
N
436
N
doub
N
437
N
sing
N
438
N
sing
N
439
N
sing
N
440
N
sing
N
441
N
sing
N
442
N
sing
N
443
N
sing
N
444
N
sing
N
445
N
sing
N
446
N
sing
N
447
N
sing
US
Thesis
0806
1
-1
High Resolution X-Ray Structures of Myoglobin-and Hemoglobin-Alkyl Isocyanide Complexes
1993
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
207
459
Structure of Myoglobin-Ethyl Isocyanide: Histidine as a Swinging Door for Ligand Entry
1989
10.2210/pdb2hbf/pdb
pdb_00002hbf
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
15150.353
HEMOGLOBIN A (N-PROPYL ISOCYANIDE) (ALPHA CHAIN)
1
man
polymer
15890.198
HEMOGLOBIN A (N-PROPYL ISOCYANIDE) (BETA CHAIN)
1
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
2
syn
non-polymer
69.105
N-PROPYL ISOCYANIDE
2
syn
non-polymer
18.015
water
55
nat
water
no
no
VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL
SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL
SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
A
polypeptide(L)
no
no
VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN
LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN
LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
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
human
Homo
sample
9606
SEED
Homo sapiens
human
Homo
sample
9606
SEED
Homo sapiens
2.28
46.03
pdbx_database_status
pdbx_struct_assembly
pdbx_struct_assembly_gen
pdbx_struct_assembly_prop
pdbx_struct_oper_list
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Other
Data collection
Database references
Derived calculations
1
0
1995-02-07
1
1
2008-03-24
1
2
2011-07-13
1
3
2019-11-27
1
4
2024-02-14
_pdbx_database_status.process_site
_pdbx_struct_assembly.oligomeric_count
_pdbx_struct_assembly.oligomeric_details
_pdbx_struct_assembly_gen.oper_expression
_pdbx_struct_assembly_prop.value
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1994-08-31
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
NPN
N-PROPYL ISOCYANIDE
HOH
water
HEM
142
3
HEM
HEM
142
A
NPN
143
4
NPN
NPN
143
A
HEM
147
3
HEM
HEM
147
B
NPN
148
4
NPN
NPN
148
B
HOH
157
5
HOH
HOH
157
A
HOH
158
5
HOH
HOH
158
A
HOH
161
5
HOH
HOH
161
A
HOH
167
5
HOH
HOH
167
A
HOH
169
5
HOH
HOH
169
A
HOH
186
5
HOH
HOH
186
A
HOH
205
5
HOH
HOH
205
A
HOH
206
5
HOH
HOH
206
A
HOH
209
5
HOH
HOH
209
A
HOH
216
5
HOH
HOH
216
A
HOH
245
5
HOH
HOH
245
A
HOH
246
5
HOH
HOH
246
A
HOH
247
5
HOH
HOH
247
A
HOH
251
5
HOH
HOH
251
A
HOH
255
5
HOH
HOH
255
A
HOH
266
5
HOH
HOH
266
A
HOH
360
5
HOH
HOH
360
A
HOH
364
5
HOH
HOH
364
A
HOH
365
5
HOH
HOH
365
A
HOH
412
5
HOH
HOH
412
A
HOH
414
5
HOH
HOH
414
A
HOH
458
5
HOH
HOH
458
A
HOH
152
5
HOH
HOH
152
B
HOH
156
5
HOH
HOH
156
B
HOH
162
5
HOH
HOH
162
B
HOH
163
5
HOH
HOH
163
B
HOH
165
5
HOH
HOH
165
B
HOH
166
5
HOH
HOH
166
B
HOH
173
5
HOH
HOH
173
B
HOH
213
5
HOH
HOH
213
B
HOH
219
5
HOH
HOH
219
B
HOH
229
5
HOH
HOH
229
B
HOH
232
5
HOH
HOH
232
B
HOH
237
5
HOH
HOH
237
B
HOH
238
5
HOH
HOH
238
B
HOH
241
5
HOH
HOH
241
B
HOH
248
5
HOH
HOH
248
B
HOH
259
5
HOH
HOH
259
B
HOH
263
5
HOH
HOH
263
B
HOH
265
5
HOH
HOH
265
B
HOH
268
5
HOH
HOH
268
B
HOH
269
5
HOH
HOH
269
B
HOH
271
5
HOH
HOH
271
B
HOH
273
5
HOH
HOH
273
B
HOH
358
5
HOH
HOH
358
B
HOH
361
5
HOH
HOH
361
B
HOH
363
5
HOH
HOH
363
B
HOH
366
5
HOH
HOH
366
B
HOH
408
5
HOH
HOH
408
B
HOH
410
5
HOH
HOH
410
B
HOH
415
5
HOH
HOH
415
B
HOH
416
5
HOH
HOH
416
B
HOH
459
5
HOH
HOH
459
B
HOH
465
5
HOH
HOH
465
B
HOH
559
5
HOH
HOH
559
B
VAL
1
n
1
VAL
1
A
LEU
2
n
2
LEU
2
A
SER
3
n
3
SER
3
A
PRO
4
n
4
PRO
4
A
ALA
5
n
5
ALA
5
A
ASP
6
n
6
ASP
6
A
LYS
7
n
7
LYS
7
A
THR
8
n
8
THR
8
A
ASN
9
n
9
ASN
9
A
VAL
10
n
10
VAL
10
A
LYS
11
n
11
LYS
11
A
ALA
12
n
12
ALA
12
A
ALA
13
n
13
ALA
13
A
TRP
14
n
14
TRP
14
A
GLY
15
n
15
GLY
15
A
LYS
16
n
16
LYS
16
A
VAL
17
n
17
VAL
17
A
GLY
18
n
18
GLY
18
A
ALA
19
n
19
ALA
19
A
HIS
20
n
20
HIS
20
A
ALA
21
n
21
ALA
21
A
GLY
22
n
22
GLY
22
A
GLU
23
n
23
GLU
23
A
TYR
24
n
24
TYR
24
A
GLY
25
n
25
GLY
25
A
ALA
26
n
26
ALA
26
A
GLU
27
n
27
GLU
27
A
ALA
28
n
28
ALA
28
A
LEU
29
n
29
LEU
29
A
GLU
30
n
30
GLU
30
A
ARG
31
n
31
ARG
31
A
MET
32
n
32
MET
32
A
PHE
33
n
33
PHE
33
A
LEU
34
n
34
LEU
34
A
SER
35
n
35
SER
35
A
PHE
36
n
36
PHE
36
A
PRO
37
n
37
PRO
37
A
THR
38
n
38
THR
38
A
THR
39
n
39
THR
39
A
LYS
40
n
40
LYS
40
A
THR
41
n
41
THR
41
A
TYR
42
n
42
TYR
42
A
PHE
43
n
43
PHE
43
A
PRO
44
n
44
PRO
44
A
HIS
45
n
45
HIS
45
A
PHE
46
n
46
PHE
46
A
ASP
47
n
47
ASP
47
A
LEU
48
n
48
LEU
48
A
SER
49
n
49
SER
49
A
HIS
50
n
50
HIS
50
A
GLY
51
n
51
GLY
51
A
SER
52
n
52
SER
52
A
ALA
53
n
53
ALA
53
A
GLN
54
n
54
GLN
54
A
VAL
55
n
55
VAL
55
A
LYS
56
n
56
LYS
56
A
GLY
57
n
57
GLY
57
A
HIS
58
n
58
HIS
58
A
GLY
59
n
59
GLY
59
A
LYS
60
n
60
LYS
60
A
LYS
61
n
61
LYS
61
A
VAL
62
n
62
VAL
62
A
ALA
63
n
63
ALA
63
A
ASP
64
n
64
ASP
64
A
ALA
65
n
65
ALA
65
A
LEU
66
n
66
LEU
66
A
THR
67
n
67
THR
67
A
ASN
68
n
68
ASN
68
A
ALA
69
n
69
ALA
69
A
VAL
70
n
70
VAL
70
A
ALA
71
n
71
ALA
71
A
HIS
72
n
72
HIS
72
A
VAL
73
n
73
VAL
73
A
ASP
74
n
74
ASP
74
A
ASP
75
n
75
ASP
75
A
MET
76
n
76
MET
76
A
PRO
77
n
77
PRO
77
A
ASN
78
n
78
ASN
78
A
ALA
79
n
79
ALA
79
A
LEU
80
n
80
LEU
80
A
SER
81
n
81
SER
81
A
ALA
82
n
82
ALA
82
A
LEU
83
n
83
LEU
83
A
SER
84
n
84
SER
84
A
ASP
85
n
85
ASP
85
A
LEU
86
n
86
LEU
86
A
HIS
87
n
87
HIS
87
A
ALA
88
n
88
ALA
88
A
HIS
89
n
89
HIS
89
A
LYS
90
n
90
LYS
90
A
LEU
91
n
91
LEU
91
A
ARG
92
n
92
ARG
92
A
VAL
93
n
93
VAL
93
A
ASP
94
n
94
ASP
94
A
PRO
95
n
95
PRO
95
A
VAL
96
n
96
VAL
96
A
ASN
97
n
97
ASN
97
A
PHE
98
n
98
PHE
98
A
LYS
99
n
99
LYS
99
A
LEU
100
n
100
LEU
100
A
LEU
101
n
101
LEU
101
A
SER
102
n
102
SER
102
A
HIS
103
n
103
HIS
103
A
CYS
104
n
104
CYS
104
A
LEU
105
n
105
LEU
105
A
LEU
106
n
106
LEU
106
A
VAL
107
n
107
VAL
107
A
THR
108
n
108
THR
108
A
LEU
109
n
109
LEU
109
A
ALA
110
n
110
ALA
110
A
ALA
111
n
111
ALA
111
A
HIS
112
n
112
HIS
112
A
LEU
113
n
113
LEU
113
A
PRO
114
n
114
PRO
114
A
ALA
115
n
115
ALA
115
A
GLU
116
n
116
GLU
116
A
PHE
117
n
117
PHE
117
A
THR
118
n
118
THR
118
A
PRO
119
n
119
PRO
119
A
ALA
120
n
120
ALA
120
A
VAL
121
n
121
VAL
121
A
HIS
122
n
122
HIS
122
A
ALA
123
n
123
ALA
123
A
SER
124
n
124
SER
124
A
LEU
125
n
125
LEU
125
A
ASP
126
n
126
ASP
126
A
LYS
127
n
127
LYS
127
A
PHE
128
n
128
PHE
128
A
LEU
129
n
129
LEU
129
A
ALA
130
n
130
ALA
130
A
SER
131
n
131
SER
131
A
VAL
132
n
132
VAL
132
A
SER
133
n
133
SER
133
A
THR
134
n
134
THR
134
A
VAL
135
n
135
VAL
135
A
LEU
136
n
136
LEU
136
A
THR
137
n
137
THR
137
A
SER
138
n
138
SER
138
A
LYS
139
n
139
LYS
139
A
TYR
140
n
140
TYR
140
A
ARG
141
n
141
ARG
141
A
VAL
1
n
1
VAL
1
B
HIS
2
n
2
HIS
2
B
LEU
3
n
3
LEU
3
B
THR
4
n
4
THR
4
B
PRO
5
n
5
PRO
5
B
GLU
6
n
6
GLU
6
B
GLU
7
n
7
GLU
7
B
LYS
8
n
8
LYS
8
B
SER
9
n
9
SER
9
B
ALA
10
n
10
ALA
10
B
VAL
11
n
11
VAL
11
B
THR
12
n
12
THR
12
B
ALA
13
n
13
ALA
13
B
LEU
14
n
14
LEU
14
B
TRP
15
n
15
TRP
15
B
GLY
16
n
16
GLY
16
B
LYS
17
n
17
LYS
17
B
VAL
18
n
18
VAL
18
B
ASN
19
n
19
ASN
19
B
VAL
20
n
20
VAL
20
B
ASP
21
n
21
ASP
21
B
GLU
22
n
22
GLU
22
B
VAL
23
n
23
VAL
23
B
GLY
24
n
24
GLY
24
B
GLY
25
n
25
GLY
25
B
GLU
26
n
26
GLU
26
B
ALA
27
n
27
ALA
27
B
LEU
28
n
28
LEU
28
B
GLY
29
n
29
GLY
29
B
ARG
30
n
30
ARG
30
B
LEU
31
n
31
LEU
31
B
LEU
32
n
32
LEU
32
B
VAL
33
n
33
VAL
33
B
VAL
34
n
34
VAL
34
B
TYR
35
n
35
TYR
35
B
PRO
36
n
36
PRO
36
B
TRP
37
n
37
TRP
37
B
THR
38
n
38
THR
38
B
GLN
39
n
39
GLN
39
B
ARG
40
n
40
ARG
40
B
PHE
41
n
41
PHE
41
B
PHE
42
n
42
PHE
42
B
GLU
43
n
43
GLU
43
B
SER
44
n
44
SER
44
B
PHE
45
n
45
PHE
45
B
GLY
46
n
46
GLY
46
B
ASP
47
n
47
ASP
47
B
LEU
48
n
48
LEU
48
B
SER
49
n
49
SER
49
B
THR
50
n
50
THR
50
B
PRO
51
n
51
PRO
51
B
ASP
52
n
52
ASP
52
B
ALA
53
n
53
ALA
53
B
VAL
54
n
54
VAL
54
B
MET
55
n
55
MET
55
B
GLY
56
n
56
GLY
56
B
ASN
57
n
57
ASN
57
B
PRO
58
n
58
PRO
58
B
LYS
59
n
59
LYS
59
B
VAL
60
n
60
VAL
60
B
LYS
61
n
61
LYS
61
B
ALA
62
n
62
ALA
62
B
HIS
63
n
63
HIS
63
B
GLY
64
n
64
GLY
64
B
LYS
65
n
65
LYS
65
B
LYS
66
n
66
LYS
66
B
VAL
67
n
67
VAL
67
B
LEU
68
n
68
LEU
68
B
GLY
69
n
69
GLY
69
B
ALA
70
n
70
ALA
70
B
PHE
71
n
71
PHE
71
B
SER
72
n
72
SER
72
B
ASP
73
n
73
ASP
73
B
GLY
74
n
74
GLY
74
B
LEU
75
n
75
LEU
75
B
ALA
76
n
76
ALA
76
B
HIS
77
n
77
HIS
77
B
LEU
78
n
78
LEU
78
B
ASP
79
n
79
ASP
79
B
ASN
80
n
80
ASN
80
B
LEU
81
n
81
LEU
81
B
LYS
82
n
82
LYS
82
B
GLY
83
n
83
GLY
83
B
THR
84
n
84
THR
84
B
PHE
85
n
85
PHE
85
B
ALA
86
n
86
ALA
86
B
THR
87
n
87
THR
87
B
LEU
88
n
88
LEU
88
B
SER
89
n
89
SER
89
B
GLU
90
n
90
GLU
90
B
LEU
91
n
91
LEU
91
B
HIS
92
n
92
HIS
92
B
CYS
93
n
93
CYS
93
B
ASP
94
n
94
ASP
94
B
LYS
95
n
95
LYS
95
B
LEU
96
n
96
LEU
96
B
HIS
97
n
97
HIS
97
B
VAL
98
n
98
VAL
98
B
ASP
99
n
99
ASP
99
B
PRO
100
n
100
PRO
100
B
GLU
101
n
101
GLU
101
B
ASN
102
n
102
ASN
102
B
PHE
103
n
103
PHE
103
B
ARG
104
n
104
ARG
104
B
LEU
105
n
105
LEU
105
B
LEU
106
n
106
LEU
106
B
GLY
107
n
107
GLY
107
B
ASN
108
n
108
ASN
108
B
VAL
109
n
109
VAL
109
B
LEU
110
n
110
LEU
110
B
VAL
111
n
111
VAL
111
B
CYS
112
n
112
CYS
112
B
VAL
113
n
113
VAL
113
B
LEU
114
n
114
LEU
114
B
ALA
115
n
115
ALA
115
B
HIS
116
n
116
HIS
116
B
HIS
117
n
117
HIS
117
B
PHE
118
n
118
PHE
118
B
GLY
119
n
119
GLY
119
B
LYS
120
n
120
LYS
120
B
GLU
121
n
121
GLU
121
B
PHE
122
n
122
PHE
122
B
THR
123
n
123
THR
123
B
PRO
124
n
124
PRO
124
B
PRO
125
n
125
PRO
125
B
VAL
126
n
126
VAL
126
B
GLN
127
n
127
GLN
127
B
ALA
128
n
128
ALA
128
B
ALA
129
n
129
ALA
129
B
TYR
130
n
130
TYR
130
B
GLN
131
n
131
GLN
131
B
LYS
132
n
132
LYS
132
B
VAL
133
n
133
VAL
133
B
VAL
134
n
134
VAL
134
B
ALA
135
n
135
ALA
135
B
GLY
136
n
136
GLY
136
B
VAL
137
n
137
VAL
137
B
ALA
138
n
138
ALA
138
B
ASN
139
n
139
ASN
139
B
ALA
140
n
140
ALA
140
B
LEU
141
n
141
LEU
141
B
ALA
142
n
142
ALA
142
B
HIS
143
n
143
HIS
143
B
LYS
144
n
144
LYS
144
B
TYR
145
n
145
TYR
145
B
HIS
146
n
146
HIS
146
B
author_and_software_defined_assembly
PISA
4
tetrameric
12360
-94
23310
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NA
HEM
1_555
93.9
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NB
HEM
1_555
93.6
A
HEM
142
C
NA
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NB
HEM
1_555
92.0
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NC
HEM
1_555
86.3
A
HEM
142
C
NA
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NC
HEM
1_555
176.7
A
HEM
142
C
NB
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
NC
HEM
1_555
91.3
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
ND
HEM
1_555
84.9
A
HEM
142
C
NA
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
ND
HEM
1_555
87.0
A
HEM
142
C
NB
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
ND
HEM
1_555
178.0
A
HEM
142
C
NC
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
HEM
142
C
ND
HEM
1_555
89.8
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
169.3
A
HEM
142
C
NA
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
84.0
A
HEM
142
C
NB
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
97.0
A
HEM
142
C
NC
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
95.3
A
HEM
142
C
ND
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
84.5
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
170.3
A
HEM
142
C
NA
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
95.8
A
HEM
142
C
NB
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
86.2
A
HEM
142
C
NC
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
84.1
A
HEM
142
C
ND
HEM
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
95.5
A
NPN
143
D
C
NPN
1_555
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
15.7
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NA
HEM
1_555
90.3
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NB
HEM
1_555
94.4
B
HEM
147
E
NA
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NB
HEM
1_555
89.1
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NC
HEM
1_555
97.1
B
HEM
147
E
NA
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NC
HEM
1_555
172.5
B
HEM
147
E
NB
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
NC
HEM
1_555
91.9
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
ND
HEM
1_555
96.2
B
HEM
147
E
NA
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
ND
HEM
1_555
93.3
B
HEM
147
E
NB
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
ND
HEM
1_555
169.2
B
HEM
147
E
NC
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
HEM
147
E
ND
HEM
1_555
84.4
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
178.8
B
HEM
147
E
NA
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
90.8
B
HEM
147
E
NB
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
85.3
B
HEM
147
E
NC
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
81.8
B
HEM
147
E
ND
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
84.1
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
163.2
B
HEM
147
E
NA
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
98.7
B
HEM
147
E
NB
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
99.9
B
HEM
147
E
NC
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
73.7
B
HEM
147
E
ND
HEM
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
69.3
B
NPN
148
F
N
NPN
1_555
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
16.5
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
0.0000000000
1.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
7_555
y,x,-z
crystal symmetry operation
0.0000000000
0.0000000000
0.0000000000
1
B
B
ND
C
HEM
NPN
147
148
2.18
1
A
ASN
78
-10.13
1
A
TYR
24
0.061
SIDE CHAIN
1
B
ARG
30
0.178
SIDE CHAIN
1
B
HIS
77
0.117
SIDE CHAIN
1
-3.08
0.50
120.30
117.22
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
30
30
30
N
1
A
LEU
2
52.92
94.08
1
A
ASP
75
-155.10
43.89
1
A
ARG
92
47.32
70.49
1
B
HIS
2
-82.10
-70.73
1
B
LEU
3
70.07
121.84
1
B
VAL
20
-71.77
26.13
1
B
ASP
47
-33.71
97.57
1
B
ASN
80
-150.33
63.82
REFINEMENT. THE STARTING MODEL WAS THE ETHYL ISOCYANIDE -
HEMOGLOBIN COMPLEX WITH THE LIGAND REMOVED AND THE N-PROPYL
ISOCYANIDE LIGAND MODELED INTO INITIAL DIFFERENCE MAP
(FO-FC) ELECTRON DENSITY. THE PROGRAM X-PLOR WAS USED TO
ACHIEVE A FINAL CONVENTIONAL R-FACTOR OF 17.9%. THE
REFINEMENT PROCESS INCLUDED SIMULATED ANNEALING FOLLOWED BY
POSITION AND TEMPERATURE FACTOR REFINEMENT. AN ITERATIVE
PROCESS OF MANUAL REFITTING OF SIDE CHAINS AND PLACEMENT OF
WATERS WAS PERFORMED UNTIL THE R-FACTOR CONVERGED. THE
WEIGHTING OF PSEUDO-ENERGY X-RAY TERM WAS ADJUSTED TO GIVE
A BOND RMS OF 0.020 ANGSTROMS IN THE LAST FEW STEPS OF
POSITIONAL REFINEMENT.
WATERS (N=109) WERE RETAINED FROM THE STARTING STRUCTURE OF
OXYHEMOGLOBIN (1HHO). ADDITIONAL WATERS WERE ADDED IF THEY
LAY IN 3.5 - 4.O SIGMA PEAKS IN FO-FC ELECTRON DENSITY
MAPS AND 1 SIGMA PEAKS IN 2FO-FC MAPS. CONCURRENTLY, A
WATER WOULD BE DELETED IF ITS OCCUPANCY (Q) AND TEMPERATURE
FACTOR (B) COMBINED TO MAKE THE VALUE (Q*EXP(- B/36)*100%)
FALL BELOW 10%. A PEAK NUMBER OF 114 WATERS WAS REACHED.
THIS WAS REDUCED TO 55 WATERS OVER THE LAST FEW REFINEMENT
CYCLES BY DELETING WATERS WHICH FELL BELOW A 20% THRESHOLD.
0.1790000
0.1790000
2.2
5.0
1
0.0
2.2
5.0
55
2343
96
0
2192
0.020
1.990
1.5
1.5
2.0
2.0
2.0
2.0
2.5
2.5
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
HIGH RESOLUTION X-RAY STRUCTURES OF MYOGLOBIN-AND HEMOGLOBIN-ALKYL ISOCYANIDE COMPLEXES
1
N
N
2
N
N
3
N
N
4
N
N
3
N
N
4
N
N
5
N
N
5
N
N
A
SER
3
A
SER
3
HELX_P
A
GLY
18
A
GLY
18
1
AA
16
A
HIS
20
A
HIS
20
HELX_P
A
SER
35
A
SER
35
1
AB
16
A
PHE
36
A
PHE
36
HELX_P
A
TYR
42
A
TYR
42
1
AC
7
A
HIS
50
A
HIS
50
HELX_P
DEGEN 2 RES HLX RETAIN HOMOL
A
GLY
51
A
GLY
51
1
AD
2
A
SER
52
A
SER
52
HELX_P
A
ALA
71
A
ALA
71
1
AE
20
A
LEU
80
A
LEU
80
HELX_P
A
ALA
88
A
ALA
88
1
AF
9
A
ASP
94
A
ASP
94
HELX_P
A
HIS
112
A
HIS
112
1
AG
19
A
THR
118
A
THR
118
HELX_P
A
SER
138
A
SER
138
1
AH
21
B
THR
4
B
THR
4
HELX_P
B
VAL
18
B
VAL
18
1
BA
15
B
ASN
19
B
ASN
19
HELX_P
B
VAL
34
B
VAL
34
1
BB
16
B
TYR
35
B
TYR
35
HELX_P
B
PHE
41
B
PHE
41
1
BC
7
B
THR
50
B
THR
50
HELX_P
B
GLY
56
B
GLY
56
1
BD
7
B
ASN
57
B
ASN
57
HELX_P
B
ALA
76
B
ALA
76
1
BE
20
B
PHE
85
B
PHE
85
HELX_P
B
CYS
93
B
CYS
93
1
BF
9
B
ASP
99
B
ASP
99
HELX_P
B
HIS
117
B
HIS
117
1
BG
19
B
THR
123
B
THR
123
HELX_P
B
HIS
143
B
HIS
143
1
BH
21
metalc
2.017
A
HIS
87
A
NE2
HIS
87
1_555
A
HEM
142
C
FE
HEM
1_555
metalc
1.675
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
C
NPN
1_555
metalc
2.642
A
HEM
142
C
FE
HEM
1_555
A
NPN
143
D
N
NPN
1_555
metalc
1.997
B
HIS
92
B
NE2
HIS
92
1_555
B
HEM
147
E
FE
HEM
1_555
metalc
2.715
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
N
NPN
1_555
metalc
1.754
B
HEM
147
E
FE
HEM
1_555
B
NPN
148
F
C
NPN
1_555
OXYGEN TRANSPORT
OXYGEN TRANSPORT
HBA_HUMAN
UNP
1
1
P69905
VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNAL
SALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
HBB_HUMAN
UNP
2
1
P68871
VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDN
LKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
1
141
2HBF
1
141
P69905
A
1
1
141
1
146
2HBF
1
146
P68871
B
2
1
146
BINDING SITE FOR RESIDUE HEM A 142
A
HEM
142
Software
15
BINDING SITE FOR RESIDUE NPN A 143
A
NPN
143
Software
6
BINDING SITE FOR RESIDUE HEM B 147
B
HEM
147
Software
13
BINDING SITE FOR RESIDUE NPN B 148
B
NPN
148
Software
4
A
TYR
42
A
TYR
42
15
1_555
A
PHE
43
A
PHE
43
15
1_555
A
HIS
45
A
HIS
45
15
1_555
A
PHE
46
A
PHE
46
15
1_555
A
HIS
58
A
HIS
58
15
1_555
A
LYS
61
A
LYS
61
15
1_555
A
LEU
83
A
LEU
83
15
1_555
A
HIS
87
A
HIS
87
15
1_555
A
LEU
91
A
LEU
91
15
1_555
A
VAL
93
A
VAL
93
15
1_555
A
ASN
97
A
ASN
97
15
1_555
A
PHE
98
A
PHE
98
15
1_555
A
LEU
101
A
LEU
101
15
1_555
A
LEU
136
A
LEU
136
15
1_555
A
NPN
143
D
NPN
15
1_555
A
LEU
29
A
LEU
29
6
1_555
A
PHE
43
A
PHE
43
6
1_555
A
HIS
58
A
HIS
58
6
1_555
A
VAL
62
A
VAL
62
6
1_555
A
HIS
87
A
HIS
87
6
1_555
A
HEM
142
C
HEM
6
1_555
A
PRO
4
A
PRO
4
13
7_455
A
HOH
157
G
HOH
13
7_455
B
THR
38
B
THR
38
13
1_555
B
PHE
41
B
PHE
41
13
1_555
B
PHE
42
B
PHE
42
13
1_555
B
HIS
63
B
HIS
63
13
1_555
B
HIS
92
B
HIS
92
13
1_555
B
LEU
96
B
LEU
96
13
1_555
B
ASN
102
B
ASN
102
13
1_555
B
LEU
106
B
LEU
106
13
1_555
B
LEU
141
B
LEU
141
13
1_555
B
NPN
148
F
NPN
13
1_555
B
HOH
156
H
HOH
13
1_555
B
HIS
63
B
HIS
63
4
1_555
B
VAL
67
B
VAL
67
4
1_555
B
LEU
106
B
LEU
106
4
1_555
B
HEM
147
E
HEM
4
1_555
92
P 41 21 2