0.012333
0.000000
0.000000
0.000000
0.010745
0.000000
0.000000
0.000000
0.015931
0.00000
0.00000
0.00000
Pant, K.
Bilwes, A.M.
Adak, S.
Stuehr, D.J.
Crane, B.R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
81.085
93.068
62.769
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H14 N4 O3
190.200
n
N-OMEGA-HYDROXY-L-ARGININE
L-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
C19 H23 N7 O6
445.429
(6S)-5,6,7,8-TETRAHYDROFOLATE
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
N
142
N
C
N
143
N
C
N
144
N
N
N
145
N
C
N
146
N
N
N
147
N
N
N
148
N
O
N
149
N
O
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
C
N
165
N
C
N
166
N
C
N
167
N
C
Y
168
N
C
Y
169
N
C
Y
170
N
C
Y
171
N
C
N
172
N
C
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
O
N
177
N
O
N
178
N
C
N
179
N
C
N
180
N
C
N
181
N
C
N
182
N
C
N
183
N
C
N
184
N
C
Y
185
N
C
Y
186
N
C
Y
187
N
C
Y
188
N
C
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
C
N
193
N
C
N
194
N
C
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
C
N
199
N
C
N
200
N
O
N
201
N
O
Y
202
N
N
N
203
N
N
Y
204
N
N
N
205
N
N
N
206
N
FE
N
207
N
H
N
208
N
H
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
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
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
N
N
240
S
C
N
241
N
C
N
242
N
O
N
243
N
C
Y
244
N
C
Y
245
N
N
Y
246
N
C
Y
247
N
C
Y
248
N
N
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
O
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
S
C
N
268
N
C
N
269
N
C
N
270
N
C
N
271
N
O
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
H
N
284
N
H
N
285
N
N
N
286
S
C
N
287
N
C
N
288
N
O
N
289
N
C
N
290
N
C
N
291
N
C
N
292
N
C
N
293
N
O
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
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
N
312
N
C
N
313
N
C
N
314
N
C
N
315
N
N
N
316
N
O
N
317
N
H
N
318
N
H
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
H
N
329
N
H
N
330
N
H
N
331
N
H
N
332
N
N
N
333
S
C
N
334
N
C
N
335
N
O
N
336
N
C
N
337
N
C
N
338
N
S
N
339
N
C
N
340
N
O
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
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
N
N
353
S
C
N
354
N
C
N
355
N
O
N
356
N
C
Y
357
N
C
Y
358
N
C
Y
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
N
363
N
O
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
H
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
N
N
376
S
C
N
377
N
C
N
378
N
O
N
379
N
C
N
380
N
C
N
381
N
C
N
382
N
O
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
N
N
393
S
C
N
394
N
C
N
395
N
O
N
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
Y
406
N
N
Y
407
N
C
Y
408
N
N
Y
409
N
C
Y
410
N
C
Y
411
N
C
N
412
N
N
N
413
N
C
N
414
S
C
N
415
N
N
N
416
N
C
N
417
N
N
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
C
N
425
N
N
N
426
S
C
N
427
N
C
N
428
N
O
N
429
N
O
N
430
N
C
N
431
N
C
N
432
N
C
N
433
N
O
N
434
N
O
N
435
N
O
N
436
N
O
N
437
N
N
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
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
456
N
H
N
457
N
H
N
458
N
H
N
459
N
H
N
460
N
H
N
461
N
N
N
462
S
C
N
463
N
C
N
464
N
O
N
465
R
C
N
466
N
O
N
467
N
C
N
468
N
O
N
469
N
H
N
470
N
H
N
471
N
H
N
472
N
H
N
473
N
H
N
474
N
H
N
475
N
H
N
476
N
H
N
477
N
H
N
478
N
N
N
479
S
C
N
480
N
C
N
481
N
O
N
482
N
C
Y
483
N
C
Y
484
N
C
Y
485
N
C
Y
486
N
N
Y
487
N
C
Y
488
N
C
Y
489
N
C
Y
490
N
C
Y
491
N
C
N
492
N
O
N
493
N
H
N
494
N
H
N
495
N
H
N
496
N
H
N
497
N
H
N
498
N
H
N
499
N
H
N
500
N
H
N
501
N
H
N
502
N
H
N
503
N
H
N
504
N
H
N
505
N
N
N
506
S
C
N
507
N
C
N
508
N
O
N
509
N
C
Y
510
N
C
Y
511
N
C
Y
512
N
C
Y
513
N
C
Y
514
N
C
Y
515
N
C
N
516
N
O
N
517
N
O
N
518
N
H
N
519
N
H
N
520
N
H
N
521
N
H
N
522
N
H
N
523
N
H
N
524
N
H
N
525
N
H
N
526
N
H
N
527
N
H
N
528
N
H
N
529
N
N
N
530
S
C
N
531
N
C
N
532
N
O
N
533
N
C
N
534
N
C
N
535
N
C
N
536
N
O
N
537
N
H
N
538
N
H
N
539
N
H
N
540
N
H
N
541
N
H
N
542
N
H
N
543
N
H
N
544
N
H
N
545
N
H
N
546
N
H
N
547
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
doub
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
doub
N
157
N
sing
N
158
N
sing
N
159
N
doub
N
160
N
sing
N
161
N
sing
N
162
N
doub
N
163
N
sing
N
164
N
doub
N
165
N
sing
N
166
N
sing
Y
167
N
doub
Y
168
N
sing
Y
169
N
sing
N
170
N
sing
Y
171
N
doub
N
172
N
sing
Y
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
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
doub
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
doub
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
doub
N
196
N
sing
N
197
N
sing
N
198
N
sing
Y
199
N
sing
Y
200
N
sing
Y
201
N
doub
N
202
N
sing
Y
203
N
sing
N
204
N
sing
Y
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
doub
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
doub
N
215
N
doub
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
sing
N
228
N
sing
N
229
N
doub
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
sing
Y
249
N
doub
Y
250
N
doub
N
251
N
sing
Y
252
N
sing
N
253
N
sing
Y
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
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
doub
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
doub
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
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
doub
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
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
doub
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
Y
356
N
doub
Y
357
N
sing
Y
358
N
sing
N
359
N
sing
Y
360
N
doub
N
361
N
sing
Y
362
N
doub
N
363
N
sing
Y
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
doub
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
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
doub
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
Y
398
N
sing
Y
399
N
sing
N
400
N
sing
Y
401
N
doub
N
402
N
sing
Y
403
N
sing
Y
404
N
doub
N
405
N
sing
Y
406
N
sing
N
407
N
sing
N
408
N
doub
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
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
Y
423
N
doub
Y
424
N
sing
Y
425
N
sing
N
426
N
sing
Y
427
N
doub
N
428
N
sing
Y
429
N
sing
N
430
N
sing
Y
431
N
doub
N
432
N
sing
N
433
N
sing
N
434
N
sing
N
435
N
doub
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
doub
N
443
N
sing
N
444
N
sing
N
445
N
sing
N
446
N
sing
N
447
N
sing
N
448
N
sing
N
449
N
sing
N
450
N
doub
N
451
N
sing
N
452
N
sing
N
453
N
sing
N
454
N
sing
N
455
N
sing
N
456
N
sing
N
457
N
sing
N
458
N
sing
N
459
N
sing
N
460
N
sing
N
461
N
doub
N
462
N
sing
N
463
N
sing
N
464
N
sing
N
465
N
sing
N
466
N
sing
N
467
N
sing
N
468
N
sing
N
469
N
sing
N
470
N
sing
N
471
N
sing
N
472
N
sing
N
473
N
sing
N
474
N
sing
N
475
N
sing
N
476
N
sing
N
477
N
doub
N
478
N
sing
N
479
N
sing
N
480
N
sing
N
481
N
sing
Y
482
N
doub
Y
483
N
sing
Y
484
N
sing
N
485
N
sing
Y
486
N
doub
Y
487
N
sing
Y
488
N
sing
N
489
N
sing
Y
490
N
sing
Y
491
N
doub
N
492
N
sing
Y
493
N
doub
N
494
N
sing
Y
495
N
sing
N
496
N
sing
N
497
N
sing
N
498
N
sing
N
499
N
sing
N
500
N
sing
N
501
N
sing
N
502
N
sing
N
503
N
sing
N
504
N
sing
N
505
N
doub
N
506
N
sing
N
507
N
sing
N
508
N
sing
N
509
N
sing
Y
510
N
doub
Y
511
N
sing
Y
512
N
sing
N
513
N
sing
Y
514
N
doub
N
515
N
sing
Y
516
N
doub
N
517
N
sing
Y
518
N
sing
N
519
N
sing
N
520
N
sing
N
521
N
sing
N
522
N
sing
N
523
N
sing
N
524
N
sing
N
525
N
sing
N
526
N
sing
N
527
N
sing
N
528
N
sing
N
529
N
doub
N
530
N
sing
N
531
N
sing
N
532
N
sing
N
533
N
sing
N
534
N
sing
N
535
N
sing
N
536
N
sing
N
537
N
sing
N
538
N
sing
N
539
N
sing
N
540
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
41
11071
11079
10.1021/bi0263715
12220171
Structure of a nitric oxide synthase heme protein from Bacillus subtilis.
2002
10.2210/pdb1m7z/pdb
pdb_00001m7z
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
2002-05-25
ADSC QUANTUM 4
Si
SINGLE WAVELENGTH
M
x-ray
1
0.916
1.0
F1
CHESS
0.916
SYNCHROTRON
CHESS BEAMLINE F1
41895.059
Nitric oxide synthase
1.14.13.39
1
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
1
syn
non-polymer
190.200
N-OMEGA-HYDROXY-L-ARGININE
1
syn
non-polymer
445.429
(6S)-5,6,7,8-TETRAHYDROFOLATE
1
syn
non-polymer
18.015
water
204
nat
water
Nitric-oxide synthetase, NO synthase, Endothelium-derived relaxation factor-forming enzyme,
Endothelium-derived relaxingfactor synthase
no
no
GSHMEILWNEAKAFIAECYQELGKEEEVKDRLDSIKSEIDRTGSYVHTKEELEHGAKMAWRNSNRCIGRLFWNSLNVIDR
RDVRTKEDVRDALFHHIETATNNGKIRPSITIFPPEEKGEKQVEIWNHQLIRYAGYEGERIGDPASRSLTAACEQLGWRG
ERTDFDLLPLIFRMRGDEQPVWYELPRSLVIEVPITHPDIEAFSDLELKWYGVPIISDMKLEVGGIHYNAAPFNGWYMGT
EIGARNLADEKRYDKLKKVASVIGISTNYNTDLWKDQALVELNKAVLYSYKKQGVSIVDHHTAASQFKRFEEQEEEAGRK
LTGDWTWLIPPISPAATHIFHRSYDNSIVKPNYFYQDKPYE
GSHMEILWNEAKAFIAECYQELGKEEEVKDRLDSIKSEIDRTGSYVHTKEELEHGAKMAWRNSNRCIGRLFWNSLNVIDR
RDVRTKEDVRDALFHHIETATNNGKIRPSITIFPPEEKGEKQVEIWNHQLIRYAGYEGERIGDPASRSLTAACEQLGWRG
ERTDFDLLPLIFRMRGDEQPVWYELPRSLVIEVPITHPDIEAFSDLELKWYGVPIISDMKLEVGGIHYNAAPFNGWYMGT
EIGARNLADEKRYDKLKKVASVIGISTNYNTDLWKDQALVELNKAVLYSYKKQGVSIVDHHTAASQFKRFEEQEEEAGRK
LTGDWTWLIPPISPAATHIFHRSYDNSIVKPNYFYQDKPYE
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Bacillus
Escherichia
Escherichia coli
sample
1423
Bacillus subtilis
469008
Escherichia coli BL21(DE3)
BL-21 (DE3)
Plasmid
pet15B
1
2.83
56.47
VAPOR DIFFUSION
7.0
PEG 8K, potassium acetate, pH 7.0, VAPOR DIFFUSION, temperature 295K
295
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2002-10-30
1
1
2008-04-28
1
2
2011-07-13
1
3
2024-02-14
_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
Structure of a Nitric Oxide Synthase Heme Protein from Bacillus Subtilis with Tetrahydrofolate and Arginine Bound
Murine Inducible Nitric Oxide Synthase Oxygenase Dimer N-Hydroxyarginine and Dihydrobiopterin
SEQUENCE
At the time of processing, this sequence of chain A has not yet been deposited in a sequence database. Author
also states that there was no covalent/peptide bond and electron density between residues 133 and 136.
RCSB
Y
RCSB
2002-07-23
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
HAR
N-OMEGA-HYDROXY-L-ARGININE
THG
(6S)-5,6,7,8-TETRAHYDROFOLATE
HOH
water
1DWW
PDB ENTRY 1DWW
PDB
experimental model
HEM
901
2
HEM
HEM
901
A
HAR
909
3
HAR
HAR
909
A
THG
1999
4
THG
THG
1999
A
HOH
931
5
HOH
HOH
931
A
HOH
932
5
HOH
HOH
932
A
HOH
933
5
HOH
HOH
933
A
HOH
935
5
HOH
HOH
935
A
HOH
937
5
HOH
HOH
937
A
HOH
938
5
HOH
HOH
938
A
HOH
939
5
HOH
HOH
939
A
HOH
940
5
HOH
HOH
940
A
HOH
942
5
HOH
HOH
942
A
HOH
943
5
HOH
HOH
943
A
HOH
944
5
HOH
HOH
944
A
HOH
945
5
HOH
HOH
945
A
HOH
946
5
HOH
HOH
946
A
HOH
948
5
HOH
HOH
948
A
HOH
949
5
HOH
HOH
949
A
HOH
950
5
HOH
HOH
950
A
HOH
951
5
HOH
HOH
951
A
HOH
953
5
HOH
HOH
953
A
HOH
954
5
HOH
HOH
954
A
HOH
955
5
HOH
HOH
955
A
HOH
956
5
HOH
HOH
956
A
HOH
957
5
HOH
HOH
957
A
HOH
958
5
HOH
HOH
958
A
HOH
959
5
HOH
HOH
959
A
HOH
962
5
HOH
HOH
962
A
HOH
963
5
HOH
HOH
963
A
HOH
964
5
HOH
HOH
964
A
HOH
965
5
HOH
HOH
965
A
HOH
966
5
HOH
HOH
966
A
HOH
967
5
HOH
HOH
967
A
HOH
969
5
HOH
HOH
969
A
HOH
971
5
HOH
HOH
971
A
HOH
972
5
HOH
HOH
972
A
HOH
974
5
HOH
HOH
974
A
HOH
975
5
HOH
HOH
975
A
HOH
976
5
HOH
HOH
976
A
HOH
977
5
HOH
HOH
977
A
HOH
978
5
HOH
HOH
978
A
HOH
979
5
HOH
HOH
979
A
HOH
980
5
HOH
HOH
980
A
HOH
981
5
HOH
HOH
981
A
HOH
982
5
HOH
HOH
982
A
HOH
983
5
HOH
HOH
983
A
HOH
984
5
HOH
HOH
984
A
HOH
985
5
HOH
HOH
985
A
HOH
986
5
HOH
HOH
986
A
HOH
987
5
HOH
HOH
987
A
HOH
988
5
HOH
HOH
988
A
HOH
989
5
HOH
HOH
989
A
HOH
991
5
HOH
HOH
991
A
HOH
992
5
HOH
HOH
992
A
HOH
993
5
HOH
HOH
993
A
HOH
994
5
HOH
HOH
994
A
HOH
995
5
HOH
HOH
995
A
HOH
997
5
HOH
HOH
997
A
HOH
998
5
HOH
HOH
998
A
HOH
999
5
HOH
HOH
999
A
HOH
1000
5
HOH
HOH
1000
A
HOH
1001
5
HOH
HOH
1001
A
HOH
1002
5
HOH
HOH
1002
A
HOH
1003
5
HOH
HOH
1003
A
HOH
1004
5
HOH
HOH
1004
A
HOH
1005
5
HOH
HOH
1005
A
HOH
1006
5
HOH
HOH
1006
A
HOH
1007
5
HOH
HOH
1007
A
HOH
1008
5
HOH
HOH
1008
A
HOH
1011
5
HOH
HOH
1011
A
HOH
1013
5
HOH
HOH
1013
A
HOH
1014
5
HOH
HOH
1014
A
HOH
1015
5
HOH
HOH
1015
A
HOH
1016
5
HOH
HOH
1016
A
HOH
1017
5
HOH
HOH
1017
A
HOH
1018
5
HOH
HOH
1018
A
HOH
1019
5
HOH
HOH
1019
A
HOH
1020
5
HOH
HOH
1020
A
HOH
1021
5
HOH
HOH
1021
A
HOH
1022
5
HOH
HOH
1022
A
HOH
1023
5
HOH
HOH
1023
A
HOH
1024
5
HOH
HOH
1024
A
HOH
1025
5
HOH
HOH
1025
A
HOH
1026
5
HOH
HOH
1026
A
HOH
1028
5
HOH
HOH
1028
A
HOH
1029
5
HOH
HOH
1029
A
HOH
1030
5
HOH
HOH
1030
A
HOH
1031
5
HOH
HOH
1031
A
HOH
1032
5
HOH
HOH
1032
A
HOH
1033
5
HOH
HOH
1033
A
HOH
1034
5
HOH
HOH
1034
A
HOH
1035
5
HOH
HOH
1035
A
HOH
1036
5
HOH
HOH
1036
A
HOH
1037
5
HOH
HOH
1037
A
HOH
1038
5
HOH
HOH
1038
A
HOH
1039
5
HOH
HOH
1039
A
HOH
1041
5
HOH
HOH
1041
A
HOH
1042
5
HOH
HOH
1042
A
HOH
1043
5
HOH
HOH
1043
A
HOH
1045
5
HOH
HOH
1045
A
HOH
1046
5
HOH
HOH
1046
A
HOH
1047
5
HOH
HOH
1047
A
HOH
1048
5
HOH
HOH
1048
A
HOH
1049
5
HOH
HOH
1049
A
HOH
1052
5
HOH
HOH
1052
A
HOH
1053
5
HOH
HOH
1053
A
HOH
1054
5
HOH
HOH
1054
A
HOH
1057
5
HOH
HOH
1057
A
HOH
1062
5
HOH
HOH
1062
A
HOH
1064
5
HOH
HOH
1064
A
HOH
1065
5
HOH
HOH
1065
A
HOH
1066
5
HOH
HOH
1066
A
HOH
1067
5
HOH
HOH
1067
A
HOH
1068
5
HOH
HOH
1068
A
HOH
1069
5
HOH
HOH
1069
A
HOH
1070
5
HOH
HOH
1070
A
HOH
1071
5
HOH
HOH
1071
A
HOH
1072
5
HOH
HOH
1072
A
HOH
1073
5
HOH
HOH
1073
A
HOH
1077
5
HOH
HOH
1077
A
HOH
1078
5
HOH
HOH
1078
A
HOH
1080
5
HOH
HOH
1080
A
HOH
1081
5
HOH
HOH
1081
A
HOH
1082
5
HOH
HOH
1082
A
HOH
1085
5
HOH
HOH
1085
A
HOH
1087
5
HOH
HOH
1087
A
HOH
1088
5
HOH
HOH
1088
A
HOH
1089
5
HOH
HOH
1089
A
HOH
1091
5
HOH
HOH
1091
A
HOH
1092
5
HOH
HOH
1092
A
HOH
1093
5
HOH
HOH
1093
A
HOH
1094
5
HOH
HOH
1094
A
HOH
1095
5
HOH
HOH
1095
A
HOH
1098
5
HOH
HOH
1098
A
HOH
1099
5
HOH
HOH
1099
A
HOH
1101
5
HOH
HOH
1101
A
HOH
1102
5
HOH
HOH
1102
A
HOH
1103
5
HOH
HOH
1103
A
HOH
1104
5
HOH
HOH
1104
A
HOH
1106
5
HOH
HOH
1106
A
HOH
1108
5
HOH
HOH
1108
A
HOH
1109
5
HOH
HOH
1109
A
HOH
1110
5
HOH
HOH
1110
A
HOH
1111
5
HOH
HOH
1111
A
HOH
1113
5
HOH
HOH
1113
A
HOH
1115
5
HOH
HOH
1115
A
HOH
1118
5
HOH
HOH
1118
A
HOH
1120
5
HOH
HOH
1120
A
HOH
1121
5
HOH
HOH
1121
A
HOH
1122
5
HOH
HOH
1122
A
HOH
1123
5
HOH
HOH
1123
A
HOH
1124
5
HOH
HOH
1124
A
HOH
1125
5
HOH
HOH
1125
A
HOH
1127
5
HOH
HOH
1127
A
HOH
1129
5
HOH
HOH
1129
A
HOH
1130
5
HOH
HOH
1130
A
HOH
1131
5
HOH
HOH
1131
A
HOH
1132
5
HOH
HOH
1132
A
HOH
1133
5
HOH
HOH
1133
A
HOH
1134
5
HOH
HOH
1134
A
HOH
1135
5
HOH
HOH
1135
A
HOH
1137
5
HOH
HOH
1137
A
HOH
1138
5
HOH
HOH
1138
A
HOH
1139
5
HOH
HOH
1139
A
HOH
1141
5
HOH
HOH
1141
A
HOH
1142
5
HOH
HOH
1142
A
HOH
1143
5
HOH
HOH
1143
A
HOH
1145
5
HOH
HOH
1145
A
HOH
1147
5
HOH
HOH
1147
A
HOH
1148
5
HOH
HOH
1148
A
HOH
1149
5
HOH
HOH
1149
A
HOH
1150
5
HOH
HOH
1150
A
HOH
1151
5
HOH
HOH
1151
A
HOH
1152
5
HOH
HOH
1152
A
HOH
1153
5
HOH
HOH
1153
A
HOH
1156
5
HOH
HOH
1156
A
HOH
1160
5
HOH
HOH
1160
A
HOH
1161
5
HOH
HOH
1161
A
HOH
1163
5
HOH
HOH
1163
A
HOH
1165
5
HOH
HOH
1165
A
HOH
1166
5
HOH
HOH
1166
A
HOH
1168
5
HOH
HOH
1168
A
HOH
1169
5
HOH
HOH
1169
A
HOH
1176
5
HOH
HOH
1176
A
HOH
1177
5
HOH
HOH
1177
A
HOH
1178
5
HOH
HOH
1178
A
HOH
1179
5
HOH
HOH
1179
A
HOH
1180
5
HOH
HOH
1180
A
HOH
1181
5
HOH
HOH
1181
A
HOH
1182
5
HOH
HOH
1182
A
HOH
1183
5
HOH
HOH
1183
A
HOH
1187
5
HOH
HOH
1187
A
HOH
1188
5
HOH
HOH
1188
A
HOH
1189
5
HOH
HOH
1189
A
HOH
1190
5
HOH
HOH
1190
A
HOH
1191
5
HOH
HOH
1191
A
HOH
1192
5
HOH
HOH
1192
A
HOH
1193
5
HOH
HOH
1193
A
HOH
1194
5
HOH
HOH
1194
A
HOH
1195
5
HOH
HOH
1195
A
HOH
1196
5
HOH
HOH
1196
A
HOH
1197
5
HOH
HOH
1197
A
HOH
1198
5
HOH
HOH
1198
A
HOH
1199
5
HOH
HOH
1199
A
HOH
1200
5
HOH
HOH
1200
A
HOH
1201
5
HOH
HOH
1201
A
HOH
1202
5
HOH
HOH
1202
A
GLY
-3
n
1
GLY
-3
A
SER
-2
n
2
SER
-2
A
HIS
-1
n
3
HIS
-1
A
ALA
0
n
4
MET
0
A
ALA
1
n
5
GLU
1
A
ILE
2
n
6
ILE
2
A
LEU
3
n
7
LEU
3
A
TRP
4
n
8
TRP
4
A
ASN
5
n
9
ASN
5
A
GLU
6
n
10
GLU
6
A
ALA
7
n
11
ALA
7
A
LYS
8
n
12
LYS
8
A
ALA
9
n
13
ALA
9
A
PHE
10
n
14
PHE
10
A
ILE
11
n
15
ILE
11
A
ALA
12
n
16
ALA
12
A
GLU
13
n
17
GLU
13
A
CYS
14
n
18
CYS
14
A
TYR
15
n
19
TYR
15
A
ALA
16
n
20
GLN
16
A
GLU
17
n
21
GLU
17
A
LEU
18
n
22
LEU
18
A
GLY
19
n
23
GLY
19
A
LYS
20
n
24
LYS
20
A
ALA
21
n
25
GLU
21
A
GLU
22
n
26
GLU
22
A
GLU
23
n
27
GLU
23
A
VAL
24
n
28
VAL
24
A
ALA
25
n
29
LYS
25
A
ASP
26
n
30
ASP
26
A
ARG
27
n
31
ARG
27
A
LEU
28
n
32
LEU
28
A
ASP
29
n
33
ASP
29
A
SER
30
n
34
SER
30
A
ILE
31
n
35
ILE
31
A
LYS
32
n
36
LYS
32
A
SER
33
n
37
SER
33
A
GLU
34
n
38
GLU
34
A
ILE
35
n
39
ILE
35
A
ASP
36
n
40
ASP
36
A
ARG
37
n
41
ARG
37
A
THR
38
n
42
THR
38
A
GLY
39
n
43
GLY
39
A
SER
40
n
44
SER
40
A
TYR
41
n
45
TYR
41
A
VAL
42
n
46
VAL
42
A
HIS
43
n
47
HIS
43
A
THR
44
n
48
THR
44
A
LYS
45
n
49
LYS
45
A
GLU
46
n
50
GLU
46
A
GLU
47
n
51
GLU
47
A
LEU
48
n
52
LEU
48
A
GLU
49
n
53
GLU
49
A
HIS
50
n
54
HIS
50
A
GLY
51
n
55
GLY
51
A
ALA
52
n
56
ALA
52
A
LYS
53
n
57
LYS
53
A
MET
54
n
58
MET
54
A
ALA
55
n
59
ALA
55
A
TRP
56
n
60
TRP
56
A
ARG
57
n
61
ARG
57
A
ASN
58
n
62
ASN
58
A
SER
59
n
63
SER
59
A
ASN
60
n
64
ASN
60
A
ARG
61
n
65
ARG
61
A
CYS
62
n
66
CYS
62
A
ILE
63
n
67
ILE
63
A
GLY
64
n
68
GLY
64
A
ARG
65
n
69
ARG
65
A
LEU
66
n
70
LEU
66
A
PHE
67
n
71
PHE
67
A
TRP
68
n
72
TRP
68
A
ASN
69
n
73
ASN
69
A
SER
70
n
74
SER
70
A
LEU
71
n
75
LEU
71
A
ASN
72
n
76
ASN
72
A
VAL
73
n
77
VAL
73
A
ILE
74
n
78
ILE
74
A
ASP
75
n
79
ASP
75
A
ARG
76
n
80
ARG
76
A
ARG
77
n
81
ARG
77
A
ASP
78
n
82
ASP
78
A
VAL
79
n
83
VAL
79
A
ARG
80
n
84
ARG
80
A
THR
81
n
85
THR
81
A
LYS
82
n
86
LYS
82
A
GLU
83
n
87
GLU
83
A
ASP
84
n
88
ASP
84
A
VAL
85
n
89
VAL
85
A
ARG
86
n
90
ARG
86
A
ASP
87
n
91
ASP
87
A
ALA
88
n
92
ALA
88
A
LEU
89
n
93
LEU
89
A
PHE
90
n
94
PHE
90
A
HIS
91
n
95
HIS
91
A
HIS
92
n
96
HIS
92
A
ILE
93
n
97
ILE
93
A
GLU
94
n
98
GLU
94
A
THR
95
n
99
THR
95
A
ALA
96
n
100
ALA
96
A
THR
97
n
101
THR
97
A
ASN
98
n
102
ASN
98
A
ASN
99
n
103
ASN
99
A
GLY
100
n
104
GLY
100
A
LYS
101
n
105
LYS
101
A
ILE
102
n
106
ILE
102
A
ARG
103
n
107
ARG
103
A
PRO
104
n
108
PRO
104
A
SER
105
n
109
SER
105
A
ILE
106
n
110
ILE
106
A
THR
107
n
111
THR
107
A
ILE
108
n
112
ILE
108
A
PHE
109
n
113
PHE
109
A
PRO
110
n
114
PRO
110
A
PRO
111
n
115
PRO
111
A
GLU
112
n
116
GLU
112
A
GLU
113
n
117
GLU
113
A
LYS
114
n
118
LYS
114
A
GLY
115
n
119
GLY
115
A
GLU
116
n
120
GLU
116
A
LYS
117
n
121
LYS
117
A
GLN
118
n
122
GLN
118
A
VAL
119
n
123
VAL
119
A
GLU
120
n
124
GLU
120
A
ILE
121
n
125
ILE
121
A
TRP
122
n
126
TRP
122
A
ASN
123
n
127
ASN
123
A
HIS
124
n
128
HIS
124
A
GLN
125
n
129
GLN
125
A
LEU
126
n
130
LEU
126
A
ILE
127
n
131
ILE
127
A
ARG
128
n
132
ARG
128
A
TYR
129
n
133
TYR
129
A
ALA
130
n
134
ALA
130
A
GLY
131
n
135
GLY
131
A
TYR
132
n
136
TYR
132
A
GLU
133
n
137
GLU
133
A
GLY
136
n
138
GLY
136
A
GLU
137
n
139
GLU
137
A
ALA
138
n
140
ARG
138
A
ILE
139
n
141
ILE
139
A
GLY
140
n
142
GLY
140
A
ASP
141
n
143
ASP
141
A
PRO
142
n
144
PRO
142
A
ALA
143
n
145
ALA
143
A
SER
144
n
146
SER
144
A
ARG
145
n
147
ARG
145
A
SER
146
n
148
SER
146
A
LEU
147
n
149
LEU
147
A
THR
148
n
150
THR
148
A
ALA
149
n
151
ALA
149
A
ALA
150
n
152
ALA
150
A
CYS
151
n
153
CYS
151
A
GLU
152
n
154
GLU
152
A
GLN
153
n
155
GLN
153
A
LEU
154
n
156
LEU
154
A
GLY
155
n
157
GLY
155
A
TRP
156
n
158
TRP
156
A
ARG
157
n
159
ARG
157
A
GLY
158
n
160
GLY
158
A
GLU
159
n
161
GLU
159
A
ARG
160
n
162
ARG
160
A
THR
161
n
163
THR
161
A
ASP
162
n
164
ASP
162
A
PHE
163
n
165
PHE
163
A
ASP
164
n
166
ASP
164
A
LEU
165
n
167
LEU
165
A
LEU
166
n
168
LEU
166
A
PRO
167
n
169
PRO
167
A
LEU
168
n
170
LEU
168
A
ILE
169
n
171
ILE
169
A
PHE
170
n
172
PHE
170
A
ARG
171
n
173
ARG
171
A
MET
172
n
174
MET
172
A
ARG
173
n
175
ARG
173
A
GLY
174
n
176
GLY
174
A
ASP
175
n
177
ASP
175
A
GLU
176
n
178
GLU
176
A
GLN
177
n
179
GLN
177
A
PRO
178
n
180
PRO
178
A
VAL
179
n
181
VAL
179
A
TRP
180
n
182
TRP
180
A
TYR
181
n
183
TYR
181
A
GLU
182
n
184
GLU
182
A
LEU
183
n
185
LEU
183
A
PRO
184
n
186
PRO
184
A
ARG
185
n
187
ARG
185
A
SER
186
n
188
SER
186
A
LEU
187
n
189
LEU
187
A
VAL
188
n
190
VAL
188
A
ILE
189
n
191
ILE
189
A
GLU
190
n
192
GLU
190
A
VAL
191
n
193
VAL
191
A
PRO
192
n
194
PRO
192
A
ILE
193
n
195
ILE
193
A
THR
194
n
196
THR
194
A
HIS
195
n
197
HIS
195
A
PRO
196
n
198
PRO
196
A
ASP
197
n
199
ASP
197
A
ILE
198
n
200
ILE
198
A
GLU
199
n
201
GLU
199
A
ALA
200
n
202
ALA
200
A
PHE
201
n
203
PHE
201
A
SER
202
n
204
SER
202
A
ASP
203
n
205
ASP
203
A
LEU
204
n
206
LEU
204
A
GLU
205
n
207
GLU
205
A
LEU
206
n
208
LEU
206
A
LYS
207
n
209
LYS
207
A
TRP
208
n
210
TRP
208
A
TYR
209
n
211
TYR
209
A
GLY
210
n
212
GLY
210
A
VAL
211
n
213
VAL
211
A
PRO
212
n
214
PRO
212
A
ILE
213
n
215
ILE
213
A
ILE
214
n
216
ILE
214
A
SER
215
n
217
SER
215
A
ASP
216
n
218
ASP
216
A
MET
217
n
219
MET
217
A
LYS
218
n
220
LYS
218
A
LEU
219
n
221
LEU
219
A
GLU
220
n
222
GLU
220
A
VAL
221
n
223
VAL
221
A
GLY
222
n
224
GLY
222
A
GLY
223
n
225
GLY
223
A
ILE
224
n
226
ILE
224
A
HIS
225
n
227
HIS
225
A
TYR
226
n
228
TYR
226
A
ASN
227
n
229
ASN
227
A
ALA
228
n
230
ALA
228
A
ALA
229
n
231
ALA
229
A
PRO
230
n
232
PRO
230
A
PHE
231
n
233
PHE
231
A
ASN
232
n
234
ASN
232
A
GLY
233
n
235
GLY
233
A
TRP
234
n
236
TRP
234
A
TYR
235
n
237
TYR
235
A
MET
236
n
238
MET
236
A
GLY
237
n
239
GLY
237
A
THR
238
n
240
THR
238
A
GLU
239
n
241
GLU
239
A
ILE
240
n
242
ILE
240
A
GLY
241
n
243
GLY
241
A
ALA
242
n
244
ALA
242
A
ARG
243
n
245
ARG
243
A
ASN
244
n
246
ASN
244
A
LEU
245
n
247
LEU
245
A
ALA
246
n
248
ALA
246
A
ASP
247
n
249
ASP
247
A
GLU
248
n
250
GLU
248
A
LYS
249
n
251
LYS
249
A
ARG
250
n
252
ARG
250
A
TYR
251
n
253
TYR
251
A
ASP
252
n
254
ASP
252
A
LYS
253
n
255
LYS
253
A
LEU
254
n
256
LEU
254
A
LYS
255
n
257
LYS
255
A
LYS
256
n
258
LYS
256
A
VAL
257
n
259
VAL
257
A
ALA
258
n
260
ALA
258
A
SER
259
n
261
SER
259
A
VAL
260
n
262
VAL
260
A
ILE
261
n
263
ILE
261
A
GLY
262
n
264
GLY
262
A
ILE
263
n
265
ILE
263
A
SER
264
n
266
SER
264
A
THR
265
n
267
THR
265
A
ASN
266
n
268
ASN
266
A
TYR
267
n
269
TYR
267
A
ASN
268
n
270
ASN
268
A
THR
269
n
271
THR
269
A
ASP
270
n
272
ASP
270
A
LEU
271
n
273
LEU
271
A
TRP
272
n
274
TRP
272
A
LYS
273
n
275
LYS
273
A
ASP
274
n
276
ASP
274
A
GLN
275
n
277
GLN
275
A
ALA
276
n
278
ALA
276
A
LEU
277
n
279
LEU
277
A
VAL
278
n
280
VAL
278
A
GLU
279
n
281
GLU
279
A
LEU
280
n
282
LEU
280
A
ASN
281
n
283
ASN
281
A
LYS
282
n
284
LYS
282
A
ALA
283
n
285
ALA
283
A
VAL
284
n
286
VAL
284
A
LEU
285
n
287
LEU
285
A
TYR
286
n
288
TYR
286
A
SER
287
n
289
SER
287
A
TYR
288
n
290
TYR
288
A
LYS
289
n
291
LYS
289
A
LYS
290
n
292
LYS
290
A
GLN
291
n
293
GLN
291
A
GLY
292
n
294
GLY
292
A
VAL
293
n
295
VAL
293
A
SER
294
n
296
SER
294
A
ILE
295
n
297
ILE
295
A
VAL
296
n
298
VAL
296
A
ASP
297
n
299
ASP
297
A
HIS
298
n
300
HIS
298
A
HIS
299
n
301
HIS
299
A
THR
300
n
302
THR
300
A
ALA
301
n
303
ALA
301
A
ALA
302
n
304
ALA
302
A
SER
303
n
305
SER
303
A
GLN
304
n
306
GLN
304
A
PHE
305
n
307
PHE
305
A
LYS
306
n
308
LYS
306
A
ARG
307
n
309
ARG
307
A
PHE
308
n
310
PHE
308
A
GLU
309
n
311
GLU
309
A
GLU
310
n
312
GLU
310
A
GLN
311
n
313
GLN
311
A
GLU
312
n
314
GLU
312
A
GLU
313
n
315
GLU
313
A
GLU
314
n
316
GLU
314
A
ALA
315
n
317
ALA
315
A
GLY
316
n
318
GLY
316
A
ARG
317
n
319
ARG
317
A
LYS
318
n
320
LYS
318
A
LEU
319
n
321
LEU
319
A
THR
320
n
322
THR
320
A
GLY
321
n
323
GLY
321
A
ASP
322
n
324
ASP
322
A
TRP
323
n
325
TRP
323
A
THR
324
n
326
THR
324
A
TRP
325
n
327
TRP
325
A
LEU
326
n
328
LEU
326
A
ILE
327
n
329
ILE
327
A
PRO
328
n
330
PRO
328
A
PRO
329
n
331
PRO
329
A
ILE
330
n
332
ILE
330
A
SER
331
n
333
SER
331
A
PRO
332
n
334
PRO
332
A
ALA
333
n
335
ALA
333
A
ALA
334
n
336
ALA
334
A
THR
335
n
337
THR
335
A
HIS
336
n
338
HIS
336
A
ILE
337
n
339
ILE
337
A
PHE
338
n
340
PHE
338
A
HIS
339
n
341
HIS
339
A
ARG
340
n
342
ARG
340
A
SER
341
n
343
SER
341
A
TYR
342
n
344
TYR
342
A
ASP
343
n
345
ASP
343
A
ASN
344
n
346
ASN
344
A
SER
345
n
347
SER
345
A
ILE
346
n
348
ILE
346
A
VAL
347
n
349
VAL
347
A
LYS
348
n
350
LYS
348
A
PRO
349
n
351
PRO
349
A
ASN
350
n
352
ASN
350
A
TYR
351
n
353
TYR
351
A
PHE
352
n
354
PHE
352
A
TYR
353
n
355
TYR
353
A
GLN
354
n
356
GLN
354
A
ASP
355
n
357
ASP
355
A
LYS
356
n
358
LYS
356
A
PRO
357
n
359
PRO
357
A
TYR
358
n
360
TYR
358
A
GLU
359
n
361
GLU
359
A
author_defined_assembly
2
dimeric
A
CYS
62
A
SG
CYS
66
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NA
HEM
1_555
104.2
A
CYS
62
A
SG
CYS
66
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NB
HEM
1_555
93.0
A
HEM
901
B
NA
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NB
HEM
1_555
87.4
A
CYS
62
A
SG
CYS
66
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NC
HEM
1_555
97.8
A
HEM
901
B
NA
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NC
HEM
1_555
158.0
A
HEM
901
B
NB
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
NC
HEM
1_555
90.5
A
CYS
62
A
SG
CYS
66
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
ND
HEM
1_555
101.4
A
HEM
901
B
NA
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
ND
HEM
1_555
89.9
A
HEM
901
B
NB
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
ND
HEM
1_555
165.5
A
HEM
901
B
NC
HEM
1_555
A
HEM
901
B
FE
HEM
1_555
A
HEM
901
B
ND
HEM
1_555
86.8
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
2_565
-x,-y+1,z
crystal symmetry operation
0.0000000000
93.0680000000
0.0000000000
A
N
ILE
74
A
N
ILE
78
A
O
ILE
106
A
O
ILE
110
A
N
SER
105
A
N
SER
109
A
O
ASN
232
A
O
ASN
234
A
O
PHE
231
A
O
PHE
233
A
N
ILE
214
A
N
ILE
216
A
N
GLU
120
A
N
GLU
124
A
O
ARG
171
A
O
ARG
173
A
N
LEU
168
A
N
LEU
170
A
O
TYR
181
A
O
TYR
183
A
N
VAL
191
A
N
VAL
193
A
O
TRP
208
A
O
TRP
210
A
O
TYR
226
A
O
TYR
228
A
N
LEU
219
A
N
LEU
221
A
N
LYS
218
A
N
LYS
220
A
O
PHE
352
A
O
PHE
354
A
N
TYR
235
A
N
TYR
237
A
O
VAL
296
A
O
VAL
298
1
A
HOH
1202
E
HOH
1
A
CG
MET
0
A
CG
MET
4
1
Y
1
A
SD
MET
0
A
SD
MET
4
1
Y
1
A
CE
MET
0
A
CE
MET
4
1
Y
1
A
CG
GLU
1
A
CG
GLU
5
1
Y
1
A
CD
GLU
1
A
CD
GLU
5
1
Y
1
A
OE1
GLU
1
A
OE1
GLU
5
1
Y
1
A
OE2
GLU
1
A
OE2
GLU
5
1
Y
1
A
CG
GLN
16
A
CG
GLN
20
1
Y
1
A
CD
GLN
16
A
CD
GLN
20
1
Y
1
A
OE1
GLN
16
A
OE1
GLN
20
1
Y
1
A
NE2
GLN
16
A
NE2
GLN
20
1
Y
1
A
CG
GLU
21
A
CG
GLU
25
1
Y
1
A
CD
GLU
21
A
CD
GLU
25
1
Y
1
A
OE1
GLU
21
A
OE1
GLU
25
1
Y
1
A
OE2
GLU
21
A
OE2
GLU
25
1
Y
1
A
CG
LYS
25
A
CG
LYS
29
1
Y
1
A
CD
LYS
25
A
CD
LYS
29
1
Y
1
A
CE
LYS
25
A
CE
LYS
29
1
Y
1
A
NZ
LYS
25
A
NZ
LYS
29
1
Y
1
A
CG
ARG
138
A
CG
ARG
140
1
Y
1
A
CD
ARG
138
A
CD
ARG
140
1
Y
1
A
NE
ARG
138
A
NE
ARG
140
1
Y
1
A
CZ
ARG
138
A
CZ
ARG
140
1
Y
1
A
NH1
ARG
138
A
NH1
ARG
140
1
Y
1
A
NH2
ARG
138
A
NH2
ARG
140
1
Y
1
A
A
C
N
GLU
GLY
133
136
4.78
1
-15.49
2.50
113.10
97.61
A
A
A
N
CA
C
GLY
GLY
GLY
233
233
233
N
1
A
GLU
113
-89.24
-75.17
1
A
LYS
114
-109.52
50.28
1
A
ALA
229
-153.60
77.76
1
A
ARG
243
-122.98
-66.15
1
A
ARG
250
-119.67
-127.28
1
A
ASN
344
-88.92
38.39
PROTEIN.PARAM
PROTEIN.TOP
PARAM19X.HEME
WATER.TOP
WATER.PARAM
TOPH19X.HEME
THF-8.PARAM
THF-6.TOP
43.4
-14.82
0.00
0.00
-4.95
0.00
19.77
The glutamate moiety of tetrahydrofolate is not well ordered and likely has alternate conformations
0.2390000
0.007
0.2120000
2.14
29.74
1276
37880
37880
4.8
99.4
RANDOM
1428377.04
1428377.04
0.000000
1
RESTRAINED
THROUGHOUT
0
MOLECULAR REPLACEMENT
PDB ENTRY 1DWW
Engh & Huber
FLAT MODEL
23.3727
0.339097
0.33
0.28
5.00
0.39
0.33
2.14
29.74
204
3225
88
0
2933
0.012
1.5
23.1
1.55
1.20
1.50
2.02
2.00
1.89
2.00
2.93
2.50
0.3550000
0.026
0.3210000
2.27
189
3846
6
4.7
99.2
33.4
2.14
30.0
1M7Z
37880
37880
0.00
-3.00
0.0860000
1
10.1
5.3
99.4
2.14
2.20
8.6
0.4670000
99.2
data collection
HKL-2000
data scaling
SCALEPACK
phasing
AMoRE
refinement
CNS
1.0
data reduction
HKL-2000
Structure of Nitric Oxide Synthase Heme Protein from Bacillus Subtilis with N-Hydroxy-Arginine and Tetrahydrofolate Bound
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
The second half of the biological dimer is generated by rotation about the crystallographic two-fold axis -x, -y, Z
A
ILE
2
A
ILE
6
HELX_P
A
TYR
15
A
TYR
19
1
1
14
A
GLU
17
A
GLU
21
HELX_P
A
GLY
19
A
GLY
23
5
2
3
A
ASP
26
A
ASP
30
HELX_P
A
THR
38
A
THR
42
1
3
13
A
THR
44
A
THR
48
HELX_P
A
ASN
58
A
ASN
62
1
4
15
A
GLY
64
A
GLY
68
HELX_P
A
LEU
71
A
LEU
75
5
5
8
A
THR
81
A
THR
85
HELX_P
A
ASN
98
A
ASN
102
1
6
18
A
ASN
99
A
ASN
103
HELX_P
A
LYS
101
A
LYS
105
5
7
3
A
ASP
141
A
ASP
143
HELX_P
A
ALA
143
A
ALA
145
5
8
3
A
SER
144
A
SER
146
HELX_P
A
GLN
153
A
GLN
155
1
9
10
A
ILE
198
A
ILE
200
HELX_P
A
GLU
205
A
GLU
207
5
10
8
A
GLY
237
A
GLY
239
HELX_P
A
ALA
242
A
ALA
244
1
11
6
A
LYS
253
A
LYS
255
HELX_P
A
ILE
261
A
ILE
263
1
12
9
A
TYR
267
A
TYR
269
HELX_P
A
ASP
270
A
ASP
272
5
13
4
A
LEU
271
A
LEU
273
HELX_P
A
GLN
291
A
GLN
293
1
14
21
A
ASP
297
A
ASP
299
HELX_P
A
ALA
315
A
ALA
317
1
15
19
A
ASP
322
A
ASP
324
HELX_P
A
ILE
327
A
ILE
329
1
16
6
A
SER
331
A
SER
333
HELX_P
A
THR
335
A
THR
337
5
17
5
metalc
2.510
A
CYS
62
A
SG
CYS
66
1_555
A
HEM
901
B
FE
HEM
1_555
OXIDOREDUCTASE
oxygenase, tetrahydrofolate, pterin, bacteria, heme, hydroxy arginine, OXIDOREDUCTASE
A
LYS
348
A
LYS
350
1
A
PRO
349
A
PRO
351
-0.32
NOSO_BACSU
UNP
1
1
O34453
1
336
1M7Z
24
359
O34453
A
1
28
361
4
3
2
3
2
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
A
ASN
72
A
ASN
76
A
ASP
75
A
ASP
79
A
SER
105
A
SER
109
A
ILE
108
A
ILE
112
A
PHE
231
A
PHE
233
A
ASN
232
A
ASN
234
A
ILE
213
A
ILE
215
A
ILE
214
A
ILE
216
A
VAL
119
A
VAL
123
A
ILE
121
A
ILE
125
A
LEU
168
A
LEU
170
A
MET
172
A
MET
174
A
VAL
179
A
VAL
181
A
TYR
181
A
TYR
183
A
GLU
190
A
GLU
192
A
PRO
192
A
PRO
194
A
LYS
207
A
LYS
209
A
TYR
209
A
TYR
211
A
ILE
224
A
ILE
226
A
TYR
226
A
TYR
228
A
LYS
218
A
LYS
220
A
VAL
221
A
VAL
223
A
ASN
350
A
ASN
352
A
PHE
352
A
PHE
354
A
TYR
235
A
TYR
237
A
MET
236
A
MET
238
A
ILE
295
A
ILE
297
A
VAL
296
A
VAL
298
BINDING SITE FOR RESIDUE HEM A 901
A
HEM
901
Software
18
BINDING SITE FOR RESIDUE HAR A 909
A
HAR
909
Software
13
BINDING SITE FOR RESIDUE THG A 1999
A
THG
1999
Software
12
A
TRP
56
A
TRP
60
18
1_555
A
SER
59
A
SER
63
18
1_555
A
ARG
61
A
ARG
65
18
1_555
A
CYS
62
A
CYS
66
18
1_555
A
PHE
231
A
PHE
233
18
1_555
A
ASN
232
A
ASN
234
18
1_555
A
GLY
233
A
GLY
235
18
1_555
A
TRP
234
A
TRP
236
18
1_555
A
GLU
239
A
GLU
241
18
1_555
A
TRP
325
A
TRP
327
18
1_555
A
TYR
351
A
TYR
353
18
1_555
A
TYR
353
A
TYR
355
18
1_555
A
HAR
909
C
HAR
18
1_555
A
HOH
957
E
HOH
18
1_555
A
HOH
975
E
HOH
18
1_555
A
HOH
991
E
HOH
18
1_555
A
HOH
1029
E
HOH
18
1_555
A
THG
1999
D
THG
18
1_555
A
GLN
125
A
GLN
129
13
1_555
A
ARG
128
A
ARG
132
13
1_555
A
TYR
209
A
TYR
211
13
1_555
A
ILE
214
A
ILE
216
13
1_555
A
GLY
233
A
GLY
235
13
1_555
A
TRP
234
A
TRP
236
13
1_555
A
TYR
235
A
TYR
237
13
1_555
A
GLU
239
A
GLU
241
13
1_555
A
ASN
244
A
ASN
246
13
1_555
A
HEM
901
B
HEM
13
1_555
A
HOH
945
E
HOH
13
1_555
A
HOH
1015
E
HOH
13
1_555
A
HOH
1198
E
HOH
13
1_555
A
ARG
243
A
ARG
245
12
1_555
A
TRP
323
A
TRP
325
12
2_565
A
THR
324
A
THR
326
12
1_555
A
TRP
325
A
TRP
327
12
1_555
A
PHE
338
A
PHE
340
12
2_565
A
ARG
340
A
ARG
342
12
2_565
A
TYR
342
A
TYR
344
12
2_565
A
HEM
901
B
HEM
12
1_555
A
HOH
1149
E
HOH
12
1_555
A
HOH
1182
E
HOH
12
1_555
A
HOH
1187
E
HOH
12
1_555
A
HOH
1194
E
HOH
12
1_555
18
P 21 21 2