0.017965
0.000000
0.000000
0.000000
0.012876
0.000000
0.000000
0.000000
0.009968
0.00000
0.00000
0.00000
Lad, L.
Wang, J.
Li, H.
Friedman, J.
Ortiz de Montellano, P.R.
Poulos, T.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
55.665
77.662
100.318
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
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
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
O
N
220
N
H
N
221
N
H
N
222
N
N
N
223
S
C
N
224
N
C
N
225
N
O
N
226
S
C
N
227
N
C
N
228
N
C
N
229
N
C
N
230
N
O
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
H
N
242
N
H
N
243
N
H
N
244
N
N
N
245
S
C
N
246
N
C
N
247
N
O
N
248
N
C
N
249
N
C
N
250
N
C
N
251
N
C
N
252
N
O
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
H
N
264
N
H
N
265
N
H
N
266
N
N
N
267
S
C
N
268
N
C
N
269
N
O
N
270
N
C
N
271
N
C
N
272
N
C
N
273
N
C
N
274
N
N
N
275
N
O
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
H
N
289
N
H
N
290
N
H
N
291
N
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
N
C
N
296
N
C
N
297
N
S
N
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
Y
316
N
C
Y
317
N
C
Y
318
N
C
Y
319
N
C
Y
320
N
C
Y
321
N
C
N
322
N
O
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
H
N
332
N
H
N
333
N
H
N
334
N
N
N
335
S
C
N
336
N
C
N
337
N
O
N
338
N
C
N
339
N
C
N
340
N
C
N
341
N
O
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
H
N
349
N
H
N
350
N
H
N
351
N
N
N
352
S
C
N
353
N
C
N
354
N
O
N
355
N
C
N
356
N
O
N
357
N
O
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
N
N
366
S
C
N
367
N
C
N
368
N
O
N
369
R
C
N
370
N
O
N
371
N
C
N
372
N
O
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
N
N
383
S
C
N
384
N
C
N
385
N
O
N
386
N
C
Y
387
N
C
Y
388
N
C
Y
389
N
C
Y
390
N
N
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
N
396
N
O
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
H
N
407
N
H
N
408
N
H
N
409
N
N
N
410
S
C
N
411
N
C
N
412
N
O
N
413
N
C
Y
414
N
C
Y
415
N
C
Y
416
N
C
Y
417
N
C
Y
418
N
C
Y
419
N
C
N
420
N
O
N
421
N
O
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
H
N
431
N
H
N
432
N
H
N
433
N
N
N
434
S
C
N
435
N
C
N
436
N
O
N
437
N
C
N
438
N
C
N
439
N
C
N
440
N
O
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
449
N
H
N
450
N
H
N
451
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
sing
N
226
N
sing
N
227
N
doub
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
sing
N
247
N
sing
N
248
N
doub
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
sing
N
268
N
sing
N
269
N
doub
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
sing
N
292
N
sing
N
293
N
doub
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
sing
N
311
N
sing
N
312
N
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
N
322
N
sing
Y
323
N
doub
N
324
N
sing
Y
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
sing
N
334
N
sing
N
335
N
doub
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
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
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
doub
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
sing
N
380
N
sing
N
381
N
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
Y
386
N
doub
Y
387
N
sing
Y
388
N
sing
N
389
N
sing
Y
390
N
doub
Y
391
N
sing
Y
392
N
sing
N
393
N
sing
Y
394
N
sing
Y
395
N
doub
N
396
N
sing
Y
397
N
doub
N
398
N
sing
Y
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
sing
N
408
N
sing
N
409
N
doub
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
Y
414
N
doub
Y
415
N
sing
Y
416
N
sing
N
417
N
sing
Y
418
N
doub
N
419
N
sing
Y
420
N
doub
N
421
N
sing
Y
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
sing
N
432
N
sing
N
433
N
doub
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
N
443
N
sing
N
444
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
330
527
538
10.1016/S0022-2836(03)00578-3
12842469
Crystal structures of the ferric, ferrous, and ferrous-NO forms of the Asp140Ala mutant of human heme oxygenase-1: catalytic implications
2003
10.2210/pdb1oyk/pdb
pdb_00001oyk
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
119
1
mirrors
IMAGE PLATE
2002-04-18
RIGAKU RAXIS IV
yale mirrors
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU
Heme-complexed
26854.605
Heme oxygenase 1
1.14.99.3
residues 1-233 of SWS P09601
Asp140ala
2
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
2
syn
non-polymer
18.015
water
99
nat
water
HO-1; heme oxygenase (decyclizing) 1
E.C.1.14.99.3
no
no
MERPQPDSMPQDLSEALKEATKEVHTQAENAEFMRNFQKGQVTRDGFKLVMASLYHIYVALEEEIERNKESPVFAPVYFP
EELHRKAALEQDLAFWYGPRWQEVIPYTPAMQRYVKRLHEVGRTEPELLVAHAYTRYLGALSGGQVLKKIAQKALDLPSS
GEGLAFFTFPNIASATKFKQLYRSRMNSLEMTPAVRQRVIEEAKTAFLLNIQLFEELQELLTHDTKDQSPSRA
MERPQPDSMPQDLSEALKEATKEVHTQAENAEFMRNFQKGQVTRDGFKLVMASLYHIYVALEEEIERNKESPVFAPVYFP
EELHRKAALEQDLAFWYGPRWQEVIPYTPAMQRYVKRLHEVGRTEPELLVAHAYTRYLGALSGGQVLKKIAQKALDLPSS
GEGLAFFTFPNIASATKFKQLYRSRMNSLEMTPAVRQRVIEEAKTAFLLNIQLFEELQELLTHDTKDQSPSRA
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
human
Homo
Escherichia
sample
HMOX1
9606
Homo sapiens
562
Escherichia coli
DH5alpha
plasmid
pCWORI
1
2.02
39.04
VAPOR DIFFUSION, SITTING DROP
7.5
ammomium sulphate, 1,6 hexane-diol, HEPES, water, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 301K
301
database_2
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Data collection
Refinement description
1
0
2003-08-05
1
1
2008-04-29
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2003-04-04
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
HOH
water
1QQ8
PDB
experimental model
HEM
300
2
HEM
HEM
300
A
HEM
300
2
HEM
HEM
300
B
HOH
1
3
HOH
HOH
301
A
HOH
2
3
HOH
HOH
302
A
HOH
4
3
HOH
HOH
303
A
HOH
5
3
HOH
HOH
304
A
HOH
6
3
HOH
HOH
305
A
HOH
9
3
HOH
HOH
306
A
HOH
11
3
HOH
HOH
307
A
HOH
12
3
HOH
HOH
308
A
HOH
13
3
HOH
HOH
309
A
HOH
14
3
HOH
HOH
310
A
HOH
15
3
HOH
HOH
311
A
HOH
16
3
HOH
HOH
312
A
HOH
18
3
HOH
HOH
313
A
HOH
19
3
HOH
HOH
314
A
HOH
27
3
HOH
HOH
315
A
HOH
28
3
HOH
HOH
316
A
HOH
29
3
HOH
HOH
317
A
HOH
30
3
HOH
HOH
318
A
HOH
31
3
HOH
HOH
319
A
HOH
32
3
HOH
HOH
320
A
HOH
35
3
HOH
HOH
321
A
HOH
37
3
HOH
HOH
322
A
HOH
38
3
HOH
HOH
323
A
HOH
39
3
HOH
HOH
324
A
HOH
40
3
HOH
HOH
325
A
HOH
41
3
HOH
HOH
326
A
HOH
42
3
HOH
HOH
327
A
HOH
43
3
HOH
HOH
328
A
HOH
44
3
HOH
HOH
329
A
HOH
46
3
HOH
HOH
330
A
HOH
47
3
HOH
HOH
331
A
HOH
48
3
HOH
HOH
332
A
HOH
49
3
HOH
HOH
333
A
HOH
63
3
HOH
HOH
334
A
HOH
80
3
HOH
HOH
335
A
HOH
81
3
HOH
HOH
336
A
HOH
82
3
HOH
HOH
337
A
HOH
83
3
HOH
HOH
338
A
HOH
84
3
HOH
HOH
339
A
HOH
85
3
HOH
HOH
340
A
HOH
86
3
HOH
HOH
341
A
HOH
87
3
HOH
HOH
342
A
HOH
88
3
HOH
HOH
343
A
HOH
89
3
HOH
HOH
344
A
HOH
91
3
HOH
HOH
345
A
HOH
93
3
HOH
HOH
346
A
HOH
3
3
HOH
HOH
301
B
HOH
7
3
HOH
HOH
302
B
HOH
8
3
HOH
HOH
303
B
HOH
10
3
HOH
HOH
304
B
HOH
17
3
HOH
HOH
305
B
HOH
20
3
HOH
HOH
306
B
HOH
21
3
HOH
HOH
307
B
HOH
22
3
HOH
HOH
308
B
HOH
23
3
HOH
HOH
309
B
HOH
24
3
HOH
HOH
310
B
HOH
25
3
HOH
HOH
311
B
HOH
26
3
HOH
HOH
312
B
HOH
33
3
HOH
HOH
313
B
HOH
34
3
HOH
HOH
314
B
HOH
36
3
HOH
HOH
315
B
HOH
45
3
HOH
HOH
316
B
HOH
50
3
HOH
HOH
317
B
HOH
51
3
HOH
HOH
318
B
HOH
52
3
HOH
HOH
319
B
HOH
53
3
HOH
HOH
320
B
HOH
54
3
HOH
HOH
321
B
HOH
55
3
HOH
HOH
322
B
HOH
56
3
HOH
HOH
323
B
HOH
57
3
HOH
HOH
324
B
HOH
58
3
HOH
HOH
325
B
HOH
59
3
HOH
HOH
326
B
HOH
60
3
HOH
HOH
327
B
HOH
61
3
HOH
HOH
328
B
HOH
62
3
HOH
HOH
329
B
HOH
64
3
HOH
HOH
330
B
HOH
65
3
HOH
HOH
331
B
HOH
66
3
HOH
HOH
332
B
HOH
67
3
HOH
HOH
333
B
HOH
68
3
HOH
HOH
334
B
HOH
69
3
HOH
HOH
335
B
HOH
70
3
HOH
HOH
336
B
HOH
71
3
HOH
HOH
337
B
HOH
72
3
HOH
HOH
338
B
HOH
73
3
HOH
HOH
339
B
HOH
74
3
HOH
HOH
340
B
HOH
75
3
HOH
HOH
341
B
HOH
76
3
HOH
HOH
342
B
HOH
77
3
HOH
HOH
343
B
HOH
79
3
HOH
HOH
344
B
HOH
90
3
HOH
HOH
345
B
HOH
92
3
HOH
HOH
346
B
HOH
94
3
HOH
HOH
347
B
HOH
95
3
HOH
HOH
348
B
HOH
96
3
HOH
HOH
349
B
HOH
97
3
HOH
HOH
350
B
HOH
98
3
HOH
HOH
351
B
HOH
99
3
HOH
HOH
352
B
HOH
100
3
HOH
HOH
353
B
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
n
5
5
A
n
6
6
A
n
7
7
A
n
8
8
A
n
9
9
A
PRO
10
n
10
PRO
10
A
GLN
11
n
11
GLN
11
A
ASP
12
n
12
ASP
12
A
LEU
13
n
13
LEU
13
A
SER
14
n
14
SER
14
A
GLU
15
n
15
GLU
15
A
ALA
16
n
16
ALA
16
A
LEU
17
n
17
LEU
17
A
LYS
18
n
18
LYS
18
A
GLU
19
n
19
GLU
19
A
ALA
20
n
20
ALA
20
A
THR
21
n
21
THR
21
A
LYS
22
n
22
LYS
22
A
GLU
23
n
23
GLU
23
A
VAL
24
n
24
VAL
24
A
HIS
25
n
25
HIS
25
A
THR
26
n
26
THR
26
A
GLN
27
n
27
GLN
27
A
ALA
28
n
28
ALA
28
A
GLU
29
n
29
GLU
29
A
ASN
30
n
30
ASN
30
A
ALA
31
n
31
ALA
31
A
GLU
32
n
32
GLU
32
A
PHE
33
n
33
PHE
33
A
MET
34
n
34
MET
34
A
ARG
35
n
35
ARG
35
A
ASN
36
n
36
ASN
36
A
PHE
37
n
37
PHE
37
A
GLN
38
n
38
GLN
38
A
LYS
39
n
39
LYS
39
A
GLY
40
n
40
GLY
40
A
GLN
41
n
41
GLN
41
A
VAL
42
n
42
VAL
42
A
THR
43
n
43
THR
43
A
ARG
44
n
44
ARG
44
A
ASP
45
n
45
ASP
45
A
GLY
46
n
46
GLY
46
A
PHE
47
n
47
PHE
47
A
LYS
48
n
48
LYS
48
A
LEU
49
n
49
LEU
49
A
VAL
50
n
50
VAL
50
A
MET
51
n
51
MET
51
A
ALA
52
n
52
ALA
52
A
SER
53
n
53
SER
53
A
LEU
54
n
54
LEU
54
A
TYR
55
n
55
TYR
55
A
HIS
56
n
56
HIS
56
A
ILE
57
n
57
ILE
57
A
TYR
58
n
58
TYR
58
A
VAL
59
n
59
VAL
59
A
ALA
60
n
60
ALA
60
A
LEU
61
n
61
LEU
61
A
GLU
62
n
62
GLU
62
A
GLU
63
n
63
GLU
63
A
GLU
64
n
64
GLU
64
A
ILE
65
n
65
ILE
65
A
GLU
66
n
66
GLU
66
A
ARG
67
n
67
ARG
67
A
ASN
68
n
68
ASN
68
A
LYS
69
n
69
LYS
69
A
GLU
70
n
70
GLU
70
A
SER
71
n
71
SER
71
A
PRO
72
n
72
PRO
72
A
VAL
73
n
73
VAL
73
A
PHE
74
n
74
PHE
74
A
ALA
75
n
75
ALA
75
A
PRO
76
n
76
PRO
76
A
VAL
77
n
77
VAL
77
A
TYR
78
n
78
TYR
78
A
PHE
79
n
79
PHE
79
A
PRO
80
n
80
PRO
80
A
GLU
81
n
81
GLU
81
A
GLU
82
n
82
GLU
82
A
LEU
83
n
83
LEU
83
A
HIS
84
n
84
HIS
84
A
ARG
85
n
85
ARG
85
A
LYS
86
n
86
LYS
86
A
ALA
87
n
87
ALA
87
A
ALA
88
n
88
ALA
88
A
LEU
89
n
89
LEU
89
A
GLU
90
n
90
GLU
90
A
GLN
91
n
91
GLN
91
A
ASP
92
n
92
ASP
92
A
LEU
93
n
93
LEU
93
A
ALA
94
n
94
ALA
94
A
PHE
95
n
95
PHE
95
A
TRP
96
n
96
TRP
96
A
TYR
97
n
97
TYR
97
A
GLY
98
n
98
GLY
98
A
PRO
99
n
99
PRO
99
A
ARG
100
n
100
ARG
100
A
TRP
101
n
101
TRP
101
A
GLN
102
n
102
GLN
102
A
GLU
103
n
103
GLU
103
A
VAL
104
n
104
VAL
104
A
ILE
105
n
105
ILE
105
A
PRO
106
n
106
PRO
106
A
TYR
107
n
107
TYR
107
A
THR
108
n
108
THR
108
A
PRO
109
n
109
PRO
109
A
ALA
110
n
110
ALA
110
A
MET
111
n
111
MET
111
A
GLN
112
n
112
GLN
112
A
ARG
113
n
113
ARG
113
A
TYR
114
n
114
TYR
114
A
VAL
115
n
115
VAL
115
A
LYS
116
n
116
LYS
116
A
ARG
117
n
117
ARG
117
A
LEU
118
n
118
LEU
118
A
HIS
119
n
119
HIS
119
A
GLU
120
n
120
GLU
120
A
VAL
121
n
121
VAL
121
A
GLY
122
n
122
GLY
122
A
ARG
123
n
123
ARG
123
A
THR
124
n
124
THR
124
A
GLU
125
n
125
GLU
125
A
PRO
126
n
126
PRO
126
A
GLU
127
n
127
GLU
127
A
LEU
128
n
128
LEU
128
A
LEU
129
n
129
LEU
129
A
VAL
130
n
130
VAL
130
A
ALA
131
n
131
ALA
131
A
HIS
132
n
132
HIS
132
A
ALA
133
n
133
ALA
133
A
TYR
134
n
134
TYR
134
A
THR
135
n
135
THR
135
A
ARG
136
n
136
ARG
136
A
TYR
137
n
137
TYR
137
A
LEU
138
n
138
LEU
138
A
GLY
139
n
139
GLY
139
A
ALA
140
n
140
ALA
140
A
LEU
141
n
141
LEU
141
A
SER
142
n
142
SER
142
A
GLY
143
n
143
GLY
143
A
GLY
144
n
144
GLY
144
A
GLN
145
n
145
GLN
145
A
VAL
146
n
146
VAL
146
A
LEU
147
n
147
LEU
147
A
LYS
148
n
148
LYS
148
A
LYS
149
n
149
LYS
149
A
ILE
150
n
150
ILE
150
A
ALA
151
n
151
ALA
151
A
GLN
152
n
152
GLN
152
A
LYS
153
n
153
LYS
153
A
ALA
154
n
154
ALA
154
A
LEU
155
n
155
LEU
155
A
ASP
156
n
156
ASP
156
A
LEU
157
n
157
LEU
157
A
PRO
158
n
158
PRO
158
A
SER
159
n
159
SER
159
A
SER
160
n
160
SER
160
A
GLY
161
n
161
GLY
161
A
GLU
162
n
162
GLU
162
A
GLY
163
n
163
GLY
163
A
LEU
164
n
164
LEU
164
A
ALA
165
n
165
ALA
165
A
PHE
166
n
166
PHE
166
A
PHE
167
n
167
PHE
167
A
THR
168
n
168
THR
168
A
PHE
169
n
169
PHE
169
A
PRO
170
n
170
PRO
170
A
ASN
171
n
171
ASN
171
A
ILE
172
n
172
ILE
172
A
ALA
173
n
173
ALA
173
A
SER
174
n
174
SER
174
A
ALA
175
n
175
ALA
175
A
THR
176
n
176
THR
176
A
LYS
177
n
177
LYS
177
A
PHE
178
n
178
PHE
178
A
LYS
179
n
179
LYS
179
A
GLN
180
n
180
GLN
180
A
LEU
181
n
181
LEU
181
A
TYR
182
n
182
TYR
182
A
ARG
183
n
183
ARG
183
A
SER
184
n
184
SER
184
A
ARG
185
n
185
ARG
185
A
MET
186
n
186
MET
186
A
ASN
187
n
187
ASN
187
A
SER
188
n
188
SER
188
A
LEU
189
n
189
LEU
189
A
GLU
190
n
190
GLU
190
A
MET
191
n
191
MET
191
A
THR
192
n
192
THR
192
A
PRO
193
n
193
PRO
193
A
ALA
194
n
194
ALA
194
A
VAL
195
n
195
VAL
195
A
ARG
196
n
196
ARG
196
A
GLN
197
n
197
GLN
197
A
ARG
198
n
198
ARG
198
A
VAL
199
n
199
VAL
199
A
ILE
200
n
200
ILE
200
A
GLU
201
n
201
GLU
201
A
GLU
202
n
202
GLU
202
A
ALA
203
n
203
ALA
203
A
LYS
204
n
204
LYS
204
A
THR
205
n
205
THR
205
A
ALA
206
n
206
ALA
206
A
PHE
207
n
207
PHE
207
A
LEU
208
n
208
LEU
208
A
LEU
209
n
209
LEU
209
A
ASN
210
n
210
ASN
210
A
ILE
211
n
211
ILE
211
A
GLN
212
n
212
GLN
212
A
LEU
213
n
213
LEU
213
A
PHE
214
n
214
PHE
214
A
GLU
215
n
215
GLU
215
A
GLU
216
n
216
GLU
216
A
LEU
217
n
217
LEU
217
A
GLN
218
n
218
GLN
218
A
GLU
219
n
219
GLU
219
A
LEU
220
n
220
LEU
220
A
LEU
221
n
221
LEU
221
A
THR
222
n
222
THR
222
A
HIS
223
n
223
HIS
223
A
n
224
224
A
n
225
225
A
n
226
226
A
n
227
227
A
n
228
228
A
n
229
229
A
n
230
230
A
n
231
231
A
n
232
232
A
n
233
233
A
n
1
1
B
n
2
2
B
n
3
3
B
n
4
4
B
n
5
5
B
n
6
6
B
n
7
7
B
n
8
8
B
n
9
9
B
PRO
10
n
10
PRO
10
B
GLN
11
n
11
GLN
11
B
ASP
12
n
12
ASP
12
B
LEU
13
n
13
LEU
13
B
SER
14
n
14
SER
14
B
GLU
15
n
15
GLU
15
B
ALA
16
n
16
ALA
16
B
LEU
17
n
17
LEU
17
B
LYS
18
n
18
LYS
18
B
GLU
19
n
19
GLU
19
B
ALA
20
n
20
ALA
20
B
THR
21
n
21
THR
21
B
LYS
22
n
22
LYS
22
B
GLU
23
n
23
GLU
23
B
VAL
24
n
24
VAL
24
B
HIS
25
n
25
HIS
25
B
THR
26
n
26
THR
26
B
GLN
27
n
27
GLN
27
B
ALA
28
n
28
ALA
28
B
GLU
29
n
29
GLU
29
B
ASN
30
n
30
ASN
30
B
ALA
31
n
31
ALA
31
B
GLU
32
n
32
GLU
32
B
PHE
33
n
33
PHE
33
B
MET
34
n
34
MET
34
B
ARG
35
n
35
ARG
35
B
ASN
36
n
36
ASN
36
B
PHE
37
n
37
PHE
37
B
GLN
38
n
38
GLN
38
B
LYS
39
n
39
LYS
39
B
GLY
40
n
40
GLY
40
B
GLN
41
n
41
GLN
41
B
VAL
42
n
42
VAL
42
B
THR
43
n
43
THR
43
B
ARG
44
n
44
ARG
44
B
ASP
45
n
45
ASP
45
B
GLY
46
n
46
GLY
46
B
PHE
47
n
47
PHE
47
B
LYS
48
n
48
LYS
48
B
LEU
49
n
49
LEU
49
B
VAL
50
n
50
VAL
50
B
MET
51
n
51
MET
51
B
ALA
52
n
52
ALA
52
B
SER
53
n
53
SER
53
B
LEU
54
n
54
LEU
54
B
TYR
55
n
55
TYR
55
B
HIS
56
n
56
HIS
56
B
ILE
57
n
57
ILE
57
B
TYR
58
n
58
TYR
58
B
VAL
59
n
59
VAL
59
B
ALA
60
n
60
ALA
60
B
LEU
61
n
61
LEU
61
B
GLU
62
n
62
GLU
62
B
GLU
63
n
63
GLU
63
B
GLU
64
n
64
GLU
64
B
ILE
65
n
65
ILE
65
B
GLU
66
n
66
GLU
66
B
ARG
67
n
67
ARG
67
B
ASN
68
n
68
ASN
68
B
LYS
69
n
69
LYS
69
B
GLU
70
n
70
GLU
70
B
SER
71
n
71
SER
71
B
PRO
72
n
72
PRO
72
B
VAL
73
n
73
VAL
73
B
PHE
74
n
74
PHE
74
B
ALA
75
n
75
ALA
75
B
PRO
76
n
76
PRO
76
B
VAL
77
n
77
VAL
77
B
TYR
78
n
78
TYR
78
B
PHE
79
n
79
PHE
79
B
PRO
80
n
80
PRO
80
B
GLU
81
n
81
GLU
81
B
GLU
82
n
82
GLU
82
B
LEU
83
n
83
LEU
83
B
HIS
84
n
84
HIS
84
B
ARG
85
n
85
ARG
85
B
LYS
86
n
86
LYS
86
B
ALA
87
n
87
ALA
87
B
ALA
88
n
88
ALA
88
B
LEU
89
n
89
LEU
89
B
GLU
90
n
90
GLU
90
B
GLN
91
n
91
GLN
91
B
ASP
92
n
92
ASP
92
B
LEU
93
n
93
LEU
93
B
ALA
94
n
94
ALA
94
B
PHE
95
n
95
PHE
95
B
TRP
96
n
96
TRP
96
B
TYR
97
n
97
TYR
97
B
GLY
98
n
98
GLY
98
B
PRO
99
n
99
PRO
99
B
ARG
100
n
100
ARG
100
B
TRP
101
n
101
TRP
101
B
GLN
102
n
102
GLN
102
B
GLU
103
n
103
GLU
103
B
VAL
104
n
104
VAL
104
B
ILE
105
n
105
ILE
105
B
PRO
106
n
106
PRO
106
B
TYR
107
n
107
TYR
107
B
THR
108
n
108
THR
108
B
PRO
109
n
109
PRO
109
B
ALA
110
n
110
ALA
110
B
MET
111
n
111
MET
111
B
GLN
112
n
112
GLN
112
B
ARG
113
n
113
ARG
113
B
TYR
114
n
114
TYR
114
B
VAL
115
n
115
VAL
115
B
LYS
116
n
116
LYS
116
B
ARG
117
n
117
ARG
117
B
LEU
118
n
118
LEU
118
B
HIS
119
n
119
HIS
119
B
GLU
120
n
120
GLU
120
B
VAL
121
n
121
VAL
121
B
GLY
122
n
122
GLY
122
B
ARG
123
n
123
ARG
123
B
THR
124
n
124
THR
124
B
GLU
125
n
125
GLU
125
B
PRO
126
n
126
PRO
126
B
GLU
127
n
127
GLU
127
B
LEU
128
n
128
LEU
128
B
LEU
129
n
129
LEU
129
B
VAL
130
n
130
VAL
130
B
ALA
131
n
131
ALA
131
B
HIS
132
n
132
HIS
132
B
ALA
133
n
133
ALA
133
B
TYR
134
n
134
TYR
134
B
THR
135
n
135
THR
135
B
ARG
136
n
136
ARG
136
B
TYR
137
n
137
TYR
137
B
LEU
138
n
138
LEU
138
B
GLY
139
n
139
GLY
139
B
ALA
140
n
140
ALA
140
B
LEU
141
n
141
LEU
141
B
SER
142
n
142
SER
142
B
GLY
143
n
143
GLY
143
B
GLY
144
n
144
GLY
144
B
GLN
145
n
145
GLN
145
B
VAL
146
n
146
VAL
146
B
LEU
147
n
147
LEU
147
B
LYS
148
n
148
LYS
148
B
LYS
149
n
149
LYS
149
B
ILE
150
n
150
ILE
150
B
ALA
151
n
151
ALA
151
B
GLN
152
n
152
GLN
152
B
LYS
153
n
153
LYS
153
B
ALA
154
n
154
ALA
154
B
LEU
155
n
155
LEU
155
B
ASP
156
n
156
ASP
156
B
LEU
157
n
157
LEU
157
B
PRO
158
n
158
PRO
158
B
SER
159
n
159
SER
159
B
SER
160
n
160
SER
160
B
GLY
161
n
161
GLY
161
B
GLU
162
n
162
GLU
162
B
GLY
163
n
163
GLY
163
B
LEU
164
n
164
LEU
164
B
ALA
165
n
165
ALA
165
B
PHE
166
n
166
PHE
166
B
PHE
167
n
167
PHE
167
B
THR
168
n
168
THR
168
B
PHE
169
n
169
PHE
169
B
PRO
170
n
170
PRO
170
B
ASN
171
n
171
ASN
171
B
ILE
172
n
172
ILE
172
B
ALA
173
n
173
ALA
173
B
SER
174
n
174
SER
174
B
ALA
175
n
175
ALA
175
B
THR
176
n
176
THR
176
B
LYS
177
n
177
LYS
177
B
PHE
178
n
178
PHE
178
B
LYS
179
n
179
LYS
179
B
GLN
180
n
180
GLN
180
B
LEU
181
n
181
LEU
181
B
TYR
182
n
182
TYR
182
B
ARG
183
n
183
ARG
183
B
SER
184
n
184
SER
184
B
ARG
185
n
185
ARG
185
B
MET
186
n
186
MET
186
B
ASN
187
n
187
ASN
187
B
SER
188
n
188
SER
188
B
LEU
189
n
189
LEU
189
B
GLU
190
n
190
GLU
190
B
MET
191
n
191
MET
191
B
THR
192
n
192
THR
192
B
PRO
193
n
193
PRO
193
B
ALA
194
n
194
ALA
194
B
VAL
195
n
195
VAL
195
B
ARG
196
n
196
ARG
196
B
GLN
197
n
197
GLN
197
B
ARG
198
n
198
ARG
198
B
VAL
199
n
199
VAL
199
B
ILE
200
n
200
ILE
200
B
GLU
201
n
201
GLU
201
B
GLU
202
n
202
GLU
202
B
ALA
203
n
203
ALA
203
B
LYS
204
n
204
LYS
204
B
THR
205
n
205
THR
205
B
ALA
206
n
206
ALA
206
B
PHE
207
n
207
PHE
207
B
LEU
208
n
208
LEU
208
B
LEU
209
n
209
LEU
209
B
ASN
210
n
210
ASN
210
B
ILE
211
n
211
ILE
211
B
GLN
212
n
212
GLN
212
B
LEU
213
n
213
LEU
213
B
PHE
214
n
214
PHE
214
B
GLU
215
n
215
GLU
215
B
GLU
216
n
216
GLU
216
B
LEU
217
n
217
LEU
217
B
GLN
218
n
218
GLN
218
B
GLU
219
n
219
GLU
219
B
LEU
220
n
220
LEU
220
B
LEU
221
n
221
LEU
221
B
THR
222
n
222
THR
222
B
HIS
223
n
223
HIS
223
B
n
224
224
B
n
225
225
B
n
226
226
B
n
227
227
B
n
228
228
B
n
229
229
B
n
230
230
B
n
231
231
B
n
232
232
B
n
233
233
B
author_defined_assembly
1
monomeric
author_defined_assembly
1
monomeric
A
HIS
25
A
NE2
HIS
25
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NA
HEM
1_555
89.3
A
HIS
25
A
NE2
HIS
25
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NB
HEM
1_555
88.8
A
HEM
300
C
NA
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NB
HEM
1_555
89.7
A
HIS
25
A
NE2
HIS
25
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NC
HEM
1_555
87.6
A
HEM
300
C
NA
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NC
HEM
1_555
176.8
A
HEM
300
C
NB
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
NC
HEM
1_555
90.8
A
HIS
25
A
NE2
HIS
25
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
ND
HEM
1_555
86.5
A
HEM
300
C
NA
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
ND
HEM
1_555
89.9
A
HEM
300
C
NB
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
ND
HEM
1_555
175.3
A
HEM
300
C
NC
HEM
1_555
A
HEM
300
C
FE
HEM
1_555
A
HEM
300
C
ND
HEM
1_555
89.4
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NA
HEM
1_555
90.4
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NB
HEM
1_555
102.6
B
HEM
300
D
NA
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NB
HEM
1_555
88.3
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NC
HEM
1_555
88.7
B
HEM
300
D
NA
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NC
HEM
1_555
178.0
B
HEM
300
D
NB
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
NC
HEM
1_555
90.2
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
ND
HEM
1_555
79.3
B
HEM
300
D
NA
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
ND
HEM
1_555
89.9
B
HEM
300
D
NB
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
ND
HEM
1_555
177.3
B
HEM
300
D
NC
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HEM
300
D
ND
HEM
1_555
91.7
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
169.2
B
HEM
300
D
NA
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
80.6
B
HEM
300
D
NB
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
83.2
B
HEM
300
D
NC
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
100.5
B
HEM
300
D
ND
HEM
1_555
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
94.6
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
1
A
MET
1
1
Y
1
A
GLU
2
A
GLU
2
1
Y
1
A
ARG
3
A
ARG
3
1
Y
1
A
PRO
4
A
PRO
4
1
Y
1
A
GLN
5
A
GLN
5
1
Y
1
A
PRO
6
A
PRO
6
1
Y
1
A
ASP
7
A
ASP
7
1
Y
1
A
SER
8
A
SER
8
1
Y
1
A
MET
9
A
MET
9
1
Y
1
A
ASP
224
A
ASP
224
1
Y
1
A
THR
225
A
THR
225
1
Y
1
A
LYS
226
A
LYS
226
1
Y
1
A
ASP
227
A
ASP
227
1
Y
1
A
GLN
228
A
GLN
228
1
Y
1
A
SER
229
A
SER
229
1
Y
1
A
PRO
230
A
PRO
230
1
Y
1
A
SER
231
A
SER
231
1
Y
1
A
ARG
232
A
ARG
232
1
Y
1
A
ALA
233
A
ALA
233
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
GLU
2
B
GLU
2
1
Y
1
B
ARG
3
B
ARG
3
1
Y
1
B
PRO
4
B
PRO
4
1
Y
1
B
GLN
5
B
GLN
5
1
Y
1
B
PRO
6
B
PRO
6
1
Y
1
B
ASP
7
B
ASP
7
1
Y
1
B
SER
8
B
SER
8
1
Y
1
B
MET
9
B
MET
9
1
Y
1
B
ASP
224
B
ASP
224
1
Y
1
B
THR
225
B
THR
225
1
Y
1
B
LYS
226
B
LYS
226
1
Y
1
B
ASP
227
B
ASP
227
1
Y
1
B
GLN
228
B
GLN
228
1
Y
1
B
SER
229
B
SER
229
1
Y
1
B
PRO
230
B
PRO
230
1
Y
1
B
SER
231
B
SER
231
1
Y
1
B
ARG
232
B
ARG
232
1
Y
1
B
ALA
233
B
ALA
233
1
Y
1
A
GLN
11
-151.42
-0.71
1
A
PHE
74
-132.51
-35.42
1
A
HIS
84
-26.63
127.61
1
A
PRO
99
-53.92
-9.04
1
A
GLU
125
-141.06
52.78
1
A
ALA
140
-78.71
42.38
1
A
LEU
141
-149.42
-24.55
1
A
ALA
154
-46.19
-83.84
1
A
ASP
156
39.56
57.51
1
A
PRO
158
-61.71
-172.48
1
A
THR
222
-67.83
83.11
1
B
VAL
42
-161.23
117.42
1
B
PHE
74
-141.47
-22.56
1
B
HIS
84
-39.56
125.94
1
B
GLN
102
-57.52
-6.39
1
B
TYR
107
-154.88
68.74
1
B
SER
142
-99.81
45.07
1
B
GLN
145
-70.14
37.13
1
B
VAL
146
-142.94
-64.16
1
B
ASP
156
39.37
52.48
1
B
PRO
158
-63.04
-144.77
1
B
SER
160
-36.33
-37.42
0.3087
0.2335
0.23351
0.23351
2.59
50.0
14071
14071
97.8
random
1
isotropic
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
1QQ8
Engh & Huber
0.41
0.52
5.0
0.32
0.36
2.59
50.0
99
3669
86
0
3484
0.008
1.3
0.4565
0.3351
2.68
53
1309
10
9.30
0.3712
0.301
2.79
66
1326
10
9.42
0.3977
0.2714
2.92
74
1292
10
9.18
0.3086
0.2727
3.07
73
1315
10
9.35
0.3695
0.2671
3.26
72
1313
10
9.33
0.313
0.2556
3.51
70
1325
10
9.42
0.4268
0.284
3.87
53
1082
10
7.69
0.2926
0.1877
4.43
68
1338
10
9.51
0.2589
0.2055
5.58
81
1371
10
9.74
0.2491
0.1994
50.0
85
1413
10
10.04
2.59
50.0
1OYK
33028
14071
2.0
0.071
0.066
1
19.8
8.1
98.7
data collection
HKL-2000
data scaling
SCALEPACK
phasing
AMoRE
refinement
CNS
1.0
data reduction
HKL-2000
Crystal Structures of the Ferric, Ferrous, and Ferrous-NO Forms of the Asp140Ala Mutant of Human Heme Oxygenase-1: Catalytic Implications
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
ASP
12
A
ASP
12
HELX_P
A
THR
21
A
THR
21
1
1
10
A
THR
21
A
THR
21
HELX_P
A
ASN
30
A
ASN
30
1
2
10
A
ALA
31
A
ALA
31
HELX_P
A
LYS
39
A
LYS
39
1
3
9
A
THR
43
A
THR
43
HELX_P
A
ASN
68
A
ASN
68
1
4
26
A
PHE
74
A
PHE
74
HELX_P
A
TYR
78
A
TYR
78
5
5
5
A
PHE
79
A
PHE
79
HELX_P
A
HIS
84
A
HIS
84
1
6
6
A
ARG
85
A
ARG
85
HELX_P
A
GLY
98
A
GLY
98
1
7
14
A
ARG
100
A
ARG
100
HELX_P
A
ILE
105
A
ILE
105
1
8
6
A
THR
108
A
THR
108
HELX_P
A
GLU
125
A
GLU
125
1
9
18
A
LEU
128
A
LEU
128
HELX_P
A
LEU
138
A
LEU
138
1
10
11
A
GLY
139
A
GLY
139
HELX_P
A
SER
142
A
SER
142
5
11
4
A
GLY
144
A
GLY
144
HELX_P
A
ASP
156
A
ASP
156
1
12
13
A
LEU
164
A
LEU
164
HELX_P
A
THR
168
A
THR
168
5
13
5
A
SER
174
A
SER
174
HELX_P
A
SER
188
A
SER
188
1
14
15
A
THR
192
A
THR
192
HELX_P
A
THR
222
A
THR
222
1
15
31
B
ASP
12
B
ASP
12
HELX_P
B
THR
21
B
THR
21
1
16
10
B
THR
21
B
THR
21
HELX_P
B
ASN
30
B
ASN
30
1
17
10
B
ALA
31
B
ALA
31
HELX_P
B
GLN
38
B
GLN
38
1
18
8
B
THR
43
B
THR
43
HELX_P
B
LYS
69
B
LYS
69
1
19
27
B
PHE
74
B
PHE
74
HELX_P
B
TYR
78
B
TYR
78
5
20
5
B
PHE
79
B
PHE
79
HELX_P
B
HIS
84
B
HIS
84
1
21
6
B
ARG
85
B
ARG
85
HELX_P
B
GLY
98
B
GLY
98
1
22
14
B
ARG
100
B
ARG
100
HELX_P
B
ILE
105
B
ILE
105
1
23
6
B
THR
108
B
THR
108
HELX_P
B
GLU
125
B
GLU
125
1
24
18
B
LEU
128
B
LEU
128
HELX_P
B
SER
142
B
SER
142
1
25
15
B
GLY
143
B
GLY
143
HELX_P
B
LEU
155
B
LEU
155
1
26
13
B
LEU
164
B
LEU
164
HELX_P
B
THR
168
B
THR
168
5
27
5
B
SER
174
B
SER
174
HELX_P
B
ASN
187
B
ASN
187
1
28
14
B
THR
192
B
THR
192
HELX_P
B
THR
222
B
THR
222
1
29
31
metalc
2.180
A
HIS
25
A
NE2
HIS
25
1_555
A
HEM
300
C
FE
HEM
1_555
metalc
2.119
B
HIS
25
B
NE2
HIS
25
1_555
B
HEM
300
D
FE
HEM
1_555
metalc
2.850
B
HEM
300
D
FE
HEM
1_555
B
HOH
320
F
O
HOH
1_555
OXIDOREDUCTASE
heme oxygenase, heme degradation, OXIDOREDUCTASE
HMOX1_HUMAN
UNP
1
1
P09601
MERPQPDSMPQDLSEALKEATKEVHTQAENAEFMRNFQKGQVTRDGFKLVMASLYHIYVALEEEIERNKESPVFAPVYFP
EELHRKAALEQDLAFWYGPRWQEVIPYTPAMQRYVKRLHEVGRTEPELLVAHAYTRYLGDLSGGQVLKKIAQKALDLPSS
GEGLAFFTFPNIASATKFKQLYRSRMNSLEMTPAVRQRVIEEAKTAFLLNIQLFEELQELLTHDTKDQSPSRA
1
233
1OYK
1
233
P09601
A
1
1
233
1
233
1OYK
1
233
P09601
B
1
1
233
1
ASP
engineered mutation
ALA
140
1OYK
A
P09601
UNP
140
140
2
ASP
engineered mutation
ALA
140
1OYK
B
P09601
UNP
140
140
BINDING SITE FOR RESIDUE HEM A 300
A
HEM
300
Software
11
BINDING SITE FOR RESIDUE HEM B 300
B
HEM
300
Software
14
A
LYS
18
A
LYS
18
11
1_555
A
HIS
25
A
HIS
25
11
1_555
A
GLU
29
A
GLU
29
11
1_555
A
GLN
38
A
GLN
38
11
1_555
A
TYR
134
A
TYR
134
11
1_555
A
THR
135
A
THR
135
11
1_555
A
ARG
136
A
ARG
136
11
1_555
A
GLY
139
A
GLY
139
11
1_555
A
SER
142
A
SER
142
11
1_555
A
ARG
183
A
ARG
183
11
1_555
A
HOH
340
E
HOH
11
1_555
B
LYS
18
B
LYS
18
14
1_555
B
HIS
25
B
HIS
25
14
1_555
B
ALA
28
B
ALA
28
14
1_555
B
GLU
29
B
GLU
29
14
1_555
B
MET
34
B
MET
34
14
1_555
B
GLN
38
B
GLN
38
14
1_555
B
TYR
134
B
TYR
134
14
1_555
B
THR
135
B
THR
135
14
1_555
B
GLY
139
B
GLY
139
14
1_555
B
SER
142
B
SER
142
14
1_555
B
ARG
183
B
ARG
183
14
1_555
B
PHE
214
B
PHE
214
14
1_555
B
HOH
320
F
HOH
14
1_555
B
HOH
342
F
HOH
14
1_555
19
orthorhombic
P 21 21 21