0.025284
0.000000
0.004431
0.000000
0.013410
0.000000
0.000000
0.000000
0.015253
0.00000
0.00000
0.00000
Weichsel, A.
Montfort, W.R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
99.94
90.00
39.550
74.570
66.560
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
C5 H9 N3
111.145
HISTAMINE
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
O4 P -3
94.971
PHOSPHATE ION
non-polymer
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
US
Nat.Struct.Biol.
NSBIEW
2024
1072-8368
5
304
309
10.1038/nsb0498-304
9546222
Crystal structures of a nitric oxide transport protein from a blood-sucking insect.
1998
US
Biochemistry
BICHAW
0033
0006-2960
36
4423
Nitric Oxide Binding and Crystallization of Recombinant Nitrophorin I, a Nitric Oxide Transport Protein from the Blood-Sucking Bug Rhodnius Prolixus
1997
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
COLLIMATOR
DIFFRACTOMETER
1996-04-10
ENRAF-NONIUS FAST
GRAPHITE(002)
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS FR571
20510.867
NITROPHORIN 1
2
man
polymer
94.971
PHOSPHATE ION
2
syn
non-polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
2
syn
non-polymer
111.145
HISTAMINE
2
syn
non-polymer
18.015
water
157
nat
water
NP1
no
no
KCTKNALAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQEESPG
KYTANFKKVEKNGNVKVDVTSGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDTNAGDKVKGAVTAASLKF
SDFISTKDNKCEYDNVSLKSLLTK
KCTKNALAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQEESPG
KYTANFKKVEKNGNVKVDVTSGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDTNAGDKVKGAVTAASLKF
SDFISTKDNKCEYDNVSLKSLLTK
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
Rhodnius
Escherichia
Escherichia coli
sample
BL21
13249
SALIVARY GLAND
Rhodnius prolixus
469008
Escherichia coli BL21(DE3)
BL21 (DE3)
PET17B
PET17B-NP1
1
2.4
48.
7.5
2.8 M AMMONIUM PHOSPHATE, 0.1 M TRIS.HCL, PH 7.5, ROOM TEMPERATURE
room temp
diffrn_detector
pdbx_database_status
software
repository
Initial release
Version format compliance
Version format compliance
Data collection
Other
Refinement description
1
0
1998-05-27
1
1
2008-03-03
1
2
2011-07-13
1
3
2018-04-18
_diffrn_detector.detector
_pdbx_database_status.process_site
_software.name
Y
BNL
1998-01-19
REL
REL
PO4
PHOSPHATE ION
HEM
PROTOPORPHYRIN IX CONTAINING FE
HSM
HISTAMINE
HOH
water
PO4
301
2
PO4
PO4
301
A
HEM
1
3
HEM
HEM
302
A
HSM
2
4
HSM
HSM
303
A
PO4
302
2
PO4
PO4
302
B
HEM
1
3
HEM
HEM
303
B
HSM
2
4
HSM
HSM
304
B
HOH
303
5
HOH
HOH
304
A
HOH
305
5
HOH
HOH
305
A
HOH
306
5
HOH
HOH
306
A
HOH
307
5
HOH
HOH
307
A
HOH
308
5
HOH
HOH
308
A
HOH
309
5
HOH
HOH
309
A
HOH
310
5
HOH
HOH
310
A
HOH
311
5
HOH
HOH
311
A
HOH
312
5
HOH
HOH
312
A
HOH
313
5
HOH
HOH
313
A
HOH
314
5
HOH
HOH
314
A
HOH
315
5
HOH
HOH
315
A
HOH
316
5
HOH
HOH
316
A
HOH
317
5
HOH
HOH
317
A
HOH
318
5
HOH
HOH
318
A
HOH
319
5
HOH
HOH
319
A
HOH
320
5
HOH
HOH
320
A
HOH
321
5
HOH
HOH
321
A
HOH
322
5
HOH
HOH
322
A
HOH
323
5
HOH
HOH
323
A
HOH
324
5
HOH
HOH
324
A
HOH
325
5
HOH
HOH
325
A
HOH
326
5
HOH
HOH
326
A
HOH
327
5
HOH
HOH
327
A
HOH
328
5
HOH
HOH
328
A
HOH
329
5
HOH
HOH
329
A
HOH
330
5
HOH
HOH
330
A
HOH
331
5
HOH
HOH
331
A
HOH
332
5
HOH
HOH
332
A
HOH
333
5
HOH
HOH
333
A
HOH
334
5
HOH
HOH
334
A
HOH
335
5
HOH
HOH
335
A
HOH
336
5
HOH
HOH
336
A
HOH
337
5
HOH
HOH
337
A
HOH
338
5
HOH
HOH
338
A
HOH
339
5
HOH
HOH
339
A
HOH
340
5
HOH
HOH
340
A
HOH
341
5
HOH
HOH
341
A
HOH
342
5
HOH
HOH
342
A
HOH
343
5
HOH
HOH
343
A
HOH
344
5
HOH
HOH
344
A
HOH
345
5
HOH
HOH
345
A
HOH
346
5
HOH
HOH
346
A
HOH
347
5
HOH
HOH
347
A
HOH
348
5
HOH
HOH
348
A
HOH
349
5
HOH
HOH
349
A
HOH
350
5
HOH
HOH
350
A
HOH
351
5
HOH
HOH
351
A
HOH
352
5
HOH
HOH
352
A
HOH
353
5
HOH
HOH
353
A
HOH
354
5
HOH
HOH
354
A
HOH
355
5
HOH
HOH
355
A
HOH
356
5
HOH
HOH
356
A
HOH
357
5
HOH
HOH
357
A
HOH
358
5
HOH
HOH
358
A
HOH
359
5
HOH
HOH
359
A
HOH
360
5
HOH
HOH
360
A
HOH
361
5
HOH
HOH
361
A
HOH
362
5
HOH
HOH
362
A
HOH
363
5
HOH
HOH
363
A
HOH
364
5
HOH
HOH
364
A
HOH
365
5
HOH
HOH
365
A
HOH
366
5
HOH
HOH
366
A
HOH
367
5
HOH
HOH
367
A
HOH
368
5
HOH
HOH
368
A
HOH
369
5
HOH
HOH
369
A
HOH
370
5
HOH
HOH
370
A
HOH
371
5
HOH
HOH
371
A
HOH
372
5
HOH
HOH
372
A
HOH
373
5
HOH
HOH
373
A
HOH
374
5
HOH
HOH
374
A
HOH
375
5
HOH
HOH
375
A
HOH
376
5
HOH
HOH
376
A
HOH
377
5
HOH
HOH
377
A
HOH
378
5
HOH
HOH
378
A
HOH
379
5
HOH
HOH
379
A
HOH
380
5
HOH
HOH
380
A
HOH
381
5
HOH
HOH
381
A
HOH
382
5
HOH
HOH
382
A
HOH
383
5
HOH
HOH
383
A
HOH
384
5
HOH
HOH
384
A
HOH
385
5
HOH
HOH
385
A
HOH
457
5
HOH
HOH
386
A
HOH
304
5
HOH
HOH
305
B
HOH
386
5
HOH
HOH
306
B
HOH
387
5
HOH
HOH
307
B
HOH
388
5
HOH
HOH
308
B
HOH
389
5
HOH
HOH
309
B
HOH
390
5
HOH
HOH
310
B
HOH
391
5
HOH
HOH
311
B
HOH
392
5
HOH
HOH
312
B
HOH
393
5
HOH
HOH
313
B
HOH
394
5
HOH
HOH
314
B
HOH
395
5
HOH
HOH
315
B
HOH
396
5
HOH
HOH
316
B
HOH
397
5
HOH
HOH
317
B
HOH
398
5
HOH
HOH
318
B
HOH
399
5
HOH
HOH
319
B
HOH
400
5
HOH
HOH
320
B
HOH
401
5
HOH
HOH
321
B
HOH
402
5
HOH
HOH
322
B
HOH
403
5
HOH
HOH
323
B
HOH
404
5
HOH
HOH
324
B
HOH
405
5
HOH
HOH
325
B
HOH
406
5
HOH
HOH
326
B
HOH
407
5
HOH
HOH
327
B
HOH
408
5
HOH
HOH
328
B
HOH
409
5
HOH
HOH
329
B
HOH
410
5
HOH
HOH
330
B
HOH
411
5
HOH
HOH
331
B
HOH
412
5
HOH
HOH
332
B
HOH
413
5
HOH
HOH
333
B
HOH
414
5
HOH
HOH
334
B
HOH
415
5
HOH
HOH
335
B
HOH
416
5
HOH
HOH
336
B
HOH
417
5
HOH
HOH
337
B
HOH
418
5
HOH
HOH
338
B
HOH
419
5
HOH
HOH
339
B
HOH
420
5
HOH
HOH
340
B
HOH
421
5
HOH
HOH
341
B
HOH
422
5
HOH
HOH
342
B
HOH
423
5
HOH
HOH
343
B
HOH
424
5
HOH
HOH
344
B
HOH
425
5
HOH
HOH
345
B
HOH
426
5
HOH
HOH
346
B
HOH
427
5
HOH
HOH
347
B
HOH
428
5
HOH
HOH
348
B
HOH
429
5
HOH
HOH
349
B
HOH
430
5
HOH
HOH
350
B
HOH
431
5
HOH
HOH
351
B
HOH
432
5
HOH
HOH
352
B
HOH
433
5
HOH
HOH
353
B
HOH
434
5
HOH
HOH
354
B
HOH
435
5
HOH
HOH
355
B
HOH
436
5
HOH
HOH
356
B
HOH
437
5
HOH
HOH
357
B
HOH
438
5
HOH
HOH
358
B
HOH
439
5
HOH
HOH
359
B
HOH
440
5
HOH
HOH
360
B
HOH
441
5
HOH
HOH
361
B
HOH
442
5
HOH
HOH
362
B
HOH
443
5
HOH
HOH
363
B
HOH
444
5
HOH
HOH
364
B
HOH
445
5
HOH
HOH
365
B
HOH
446
5
HOH
HOH
366
B
HOH
447
5
HOH
HOH
367
B
HOH
448
5
HOH
HOH
368
B
HOH
449
5
HOH
HOH
369
B
HOH
450
5
HOH
HOH
370
B
HOH
451
5
HOH
HOH
371
B
HOH
452
5
HOH
HOH
372
B
HOH
453
5
HOH
HOH
373
B
HOH
454
5
HOH
HOH
374
B
HOH
455
5
HOH
HOH
375
B
HOH
456
5
HOH
HOH
376
B
HOH
458
5
HOH
HOH
377
B
HOH
459
5
HOH
HOH
378
B
LYS
1
n
1
LYS
1
A
CYS
2
n
2
CYS
2
A
THR
3
n
3
THR
3
A
LYS
4
n
4
LYS
4
A
ASN
5
n
5
ASN
5
A
ALA
6
n
6
ALA
6
A
LEU
7
n
7
LEU
7
A
ALA
8
n
8
ALA
8
A
GLN
9
n
9
GLN
9
A
THR
10
n
10
THR
10
A
GLY
11
n
11
GLY
11
A
PHE
12
n
12
PHE
12
A
ASN
13
n
13
ASN
13
A
LYS
14
n
14
LYS
14
A
ASP
15
n
15
ASP
15
A
LYS
16
n
16
LYS
16
A
TYR
17
n
17
TYR
17
A
PHE
18
n
18
PHE
18
A
ASN
19
n
19
ASN
19
A
GLY
20
n
20
GLY
20
A
ASP
21
n
21
ASP
21
A
VAL
22
n
22
VAL
22
A
TRP
23
n
23
TRP
23
A
TYR
24
n
24
TYR
24
A
VAL
25
n
25
VAL
25
A
THR
26
n
26
THR
26
A
ASP
27
n
27
ASP
27
A
TYR
28
n
28
TYR
28
A
LEU
29
n
29
LEU
29
A
ASP
30
n
30
ASP
30
A
LEU
31
n
31
LEU
31
A
GLU
32
n
32
GLU
32
A
PRO
33
n
33
PRO
33
A
ASP
34
n
34
ASP
34
A
ASP
35
n
35
ASP
35
A
VAL
36
n
36
VAL
36
A
PRO
37
n
37
PRO
37
A
LYS
38
n
38
LYS
38
A
ARG
39
n
39
ARG
39
A
TYR
40
n
40
TYR
40
A
CYS
41
n
41
CYS
41
A
ALA
42
n
42
ALA
42
A
ALA
43
n
43
ALA
43
A
LEU
44
n
44
LEU
44
A
ALA
45
n
45
ALA
45
A
ALA
46
n
46
ALA
46
A
GLY
47
n
47
GLY
47
A
THR
48
n
48
THR
48
A
ALA
49
n
49
ALA
49
A
SER
50
n
50
SER
50
A
GLY
51
n
51
GLY
51
A
LYS
52
n
52
LYS
52
A
LEU
53
n
53
LEU
53
A
LYS
54
n
54
LYS
54
A
GLU
55
n
55
GLU
55
A
ALA
56
n
56
ALA
56
A
LEU
57
n
57
LEU
57
A
TYR
58
n
58
TYR
58
A
HIS
59
n
59
HIS
59
A
TYR
60
n
60
TYR
60
A
ASP
61
n
61
ASP
61
A
PRO
62
n
62
PRO
62
A
LYS
63
n
63
LYS
63
A
THR
64
n
64
THR
64
A
GLN
65
n
65
GLN
65
A
ASP
66
n
66
ASP
66
A
THR
67
n
67
THR
67
A
PHE
68
n
68
PHE
68
A
TYR
69
n
69
TYR
69
A
ASP
70
n
70
ASP
70
A
VAL
71
n
71
VAL
71
A
SER
72
n
72
SER
72
A
GLU
73
n
73
GLU
73
A
LEU
74
n
74
LEU
74
A
GLN
75
n
75
GLN
75
A
GLU
76
n
76
GLU
76
A
GLU
77
n
77
GLU
77
A
SER
78
n
78
SER
78
A
PRO
79
n
79
PRO
79
A
GLY
80
n
80
GLY
80
A
LYS
81
n
81
LYS
81
A
TYR
82
n
82
TYR
82
A
THR
83
n
83
THR
83
A
ALA
84
n
84
ALA
84
A
ASN
85
n
85
ASN
85
A
PHE
86
n
86
PHE
86
A
LYS
87
n
87
LYS
87
A
LYS
88
n
88
LYS
88
A
VAL
89
n
89
VAL
89
A
GLU
90
n
90
GLU
90
A
LYS
91
n
91
LYS
91
A
ASN
92
n
92
ASN
92
A
GLY
93
n
93
GLY
93
A
ASN
94
n
94
ASN
94
A
VAL
95
n
95
VAL
95
A
LYS
96
n
96
LYS
96
A
VAL
97
n
97
VAL
97
A
ASP
98
n
98
ASP
98
A
VAL
99
n
99
VAL
99
A
THR
100
n
100
THR
100
A
SER
101
n
101
SER
101
A
GLY
102
n
102
GLY
102
A
ASN
103
n
103
ASN
103
A
TYR
104
n
104
TYR
104
A
TYR
105
n
105
TYR
105
A
THR
106
n
106
THR
106
A
PHE
107
n
107
PHE
107
A
THR
108
n
108
THR
108
A
VAL
109
n
109
VAL
109
A
MET
110
n
110
MET
110
A
TYR
111
n
111
TYR
111
A
ALA
112
n
112
ALA
112
A
ASP
113
n
113
ASP
113
A
ASP
114
n
114
ASP
114
A
SER
115
n
115
SER
115
A
SER
116
n
116
SER
116
A
ALA
117
n
117
ALA
117
A
LEU
118
n
118
LEU
118
A
ILE
119
n
119
ILE
119
A
HIS
120
n
120
HIS
120
A
THR
121
n
121
THR
121
A
CYS
122
n
122
CYS
122
A
LEU
123
n
123
LEU
123
A
HIS
124
n
124
HIS
124
A
LYS
125
n
125
LYS
125
A
GLY
126
n
126
GLY
126
A
ASN
127
n
127
ASN
127
A
LYS
128
n
128
LYS
128
A
ASP
129
n
129
ASP
129
A
LEU
130
n
130
LEU
130
A
GLY
131
n
131
GLY
131
A
ASP
132
n
132
ASP
132
A
LEU
133
n
133
LEU
133
A
TYR
134
n
134
TYR
134
A
ALA
135
n
135
ALA
135
A
VAL
136
n
136
VAL
136
A
LEU
137
n
137
LEU
137
A
ASN
138
n
138
ASN
138
A
ARG
139
n
139
ARG
139
A
ASN
140
n
140
ASN
140
A
LYS
141
n
141
LYS
141
A
ASP
142
n
142
ASP
142
A
THR
143
n
143
THR
143
A
ASN
144
n
144
ASN
144
A
ALA
145
n
145
ALA
145
A
GLY
146
n
146
GLY
146
A
ASP
147
n
147
ASP
147
A
LYS
148
n
148
LYS
148
A
VAL
149
n
149
VAL
149
A
LYS
150
n
150
LYS
150
A
GLY
151
n
151
GLY
151
A
ALA
152
n
152
ALA
152
A
VAL
153
n
153
VAL
153
A
THR
154
n
154
THR
154
A
ALA
155
n
155
ALA
155
A
ALA
156
n
156
ALA
156
A
SER
157
n
157
SER
157
A
LEU
158
n
158
LEU
158
A
LYS
159
n
159
LYS
159
A
PHE
160
n
160
PHE
160
A
SER
161
n
161
SER
161
A
ASP
162
n
162
ASP
162
A
PHE
163
n
163
PHE
163
A
ILE
164
n
164
ILE
164
A
SER
165
n
165
SER
165
A
THR
166
n
166
THR
166
A
LYS
167
n
167
LYS
167
A
ASP
168
n
168
ASP
168
A
ASN
169
n
169
ASN
169
A
LYS
170
n
170
LYS
170
A
CYS
171
n
171
CYS
171
A
GLU
172
n
172
GLU
172
A
TYR
173
n
173
TYR
173
A
ASP
174
n
174
ASP
174
A
ASN
175
n
175
ASN
175
A
VAL
176
n
176
VAL
176
A
SER
177
n
177
SER
177
A
LEU
178
n
178
LEU
178
A
LYS
179
n
179
LYS
179
A
SER
180
n
180
SER
180
A
LEU
181
n
181
LEU
181
A
LEU
182
n
182
LEU
182
A
THR
183
n
183
THR
183
A
LYS
184
n
184
LYS
184
A
LYS
1
n
1
LYS
1
B
CYS
2
n
2
CYS
2
B
THR
3
n
3
THR
3
B
LYS
4
n
4
LYS
4
B
ASN
5
n
5
ASN
5
B
ALA
6
n
6
ALA
6
B
LEU
7
n
7
LEU
7
B
ALA
8
n
8
ALA
8
B
GLN
9
n
9
GLN
9
B
THR
10
n
10
THR
10
B
GLY
11
n
11
GLY
11
B
PHE
12
n
12
PHE
12
B
ASN
13
n
13
ASN
13
B
LYS
14
n
14
LYS
14
B
ASP
15
n
15
ASP
15
B
LYS
16
n
16
LYS
16
B
TYR
17
n
17
TYR
17
B
PHE
18
n
18
PHE
18
B
ASN
19
n
19
ASN
19
B
GLY
20
n
20
GLY
20
B
ASP
21
n
21
ASP
21
B
VAL
22
n
22
VAL
22
B
TRP
23
n
23
TRP
23
B
TYR
24
n
24
TYR
24
B
VAL
25
n
25
VAL
25
B
THR
26
n
26
THR
26
B
ASP
27
n
27
ASP
27
B
TYR
28
n
28
TYR
28
B
LEU
29
n
29
LEU
29
B
ASP
30
n
30
ASP
30
B
LEU
31
n
31
LEU
31
B
GLU
32
n
32
GLU
32
B
PRO
33
n
33
PRO
33
B
ASP
34
n
34
ASP
34
B
ASP
35
n
35
ASP
35
B
VAL
36
n
36
VAL
36
B
PRO
37
n
37
PRO
37
B
LYS
38
n
38
LYS
38
B
ARG
39
n
39
ARG
39
B
TYR
40
n
40
TYR
40
B
CYS
41
n
41
CYS
41
B
ALA
42
n
42
ALA
42
B
ALA
43
n
43
ALA
43
B
LEU
44
n
44
LEU
44
B
ALA
45
n
45
ALA
45
B
ALA
46
n
46
ALA
46
B
GLY
47
n
47
GLY
47
B
THR
48
n
48
THR
48
B
ALA
49
n
49
ALA
49
B
SER
50
n
50
SER
50
B
GLY
51
n
51
GLY
51
B
LYS
52
n
52
LYS
52
B
LEU
53
n
53
LEU
53
B
LYS
54
n
54
LYS
54
B
GLU
55
n
55
GLU
55
B
ALA
56
n
56
ALA
56
B
LEU
57
n
57
LEU
57
B
TYR
58
n
58
TYR
58
B
HIS
59
n
59
HIS
59
B
TYR
60
n
60
TYR
60
B
ASP
61
n
61
ASP
61
B
PRO
62
n
62
PRO
62
B
LYS
63
n
63
LYS
63
B
THR
64
n
64
THR
64
B
GLN
65
n
65
GLN
65
B
ASP
66
n
66
ASP
66
B
THR
67
n
67
THR
67
B
PHE
68
n
68
PHE
68
B
TYR
69
n
69
TYR
69
B
ASP
70
n
70
ASP
70
B
VAL
71
n
71
VAL
71
B
SER
72
n
72
SER
72
B
GLU
73
n
73
GLU
73
B
LEU
74
n
74
LEU
74
B
GLN
75
n
75
GLN
75
B
GLU
76
n
76
GLU
76
B
GLU
77
n
77
GLU
77
B
SER
78
n
78
SER
78
B
PRO
79
n
79
PRO
79
B
GLY
80
n
80
GLY
80
B
LYS
81
n
81
LYS
81
B
TYR
82
n
82
TYR
82
B
THR
83
n
83
THR
83
B
ALA
84
n
84
ALA
84
B
ASN
85
n
85
ASN
85
B
PHE
86
n
86
PHE
86
B
LYS
87
n
87
LYS
87
B
LYS
88
n
88
LYS
88
B
VAL
89
n
89
VAL
89
B
GLU
90
n
90
GLU
90
B
LYS
91
n
91
LYS
91
B
ASN
92
n
92
ASN
92
B
GLY
93
n
93
GLY
93
B
ASN
94
n
94
ASN
94
B
VAL
95
n
95
VAL
95
B
LYS
96
n
96
LYS
96
B
VAL
97
n
97
VAL
97
B
ASP
98
n
98
ASP
98
B
VAL
99
n
99
VAL
99
B
THR
100
n
100
THR
100
B
SER
101
n
101
SER
101
B
GLY
102
n
102
GLY
102
B
ASN
103
n
103
ASN
103
B
TYR
104
n
104
TYR
104
B
TYR
105
n
105
TYR
105
B
THR
106
n
106
THR
106
B
PHE
107
n
107
PHE
107
B
THR
108
n
108
THR
108
B
VAL
109
n
109
VAL
109
B
MET
110
n
110
MET
110
B
TYR
111
n
111
TYR
111
B
ALA
112
n
112
ALA
112
B
ASP
113
n
113
ASP
113
B
ASP
114
n
114
ASP
114
B
SER
115
n
115
SER
115
B
SER
116
n
116
SER
116
B
ALA
117
n
117
ALA
117
B
LEU
118
n
118
LEU
118
B
ILE
119
n
119
ILE
119
B
HIS
120
n
120
HIS
120
B
THR
121
n
121
THR
121
B
CYS
122
n
122
CYS
122
B
LEU
123
n
123
LEU
123
B
HIS
124
n
124
HIS
124
B
LYS
125
n
125
LYS
125
B
GLY
126
n
126
GLY
126
B
ASN
127
n
127
ASN
127
B
LYS
128
n
128
LYS
128
B
ASP
129
n
129
ASP
129
B
LEU
130
n
130
LEU
130
B
GLY
131
n
131
GLY
131
B
ASP
132
n
132
ASP
132
B
LEU
133
n
133
LEU
133
B
TYR
134
n
134
TYR
134
B
ALA
135
n
135
ALA
135
B
VAL
136
n
136
VAL
136
B
LEU
137
n
137
LEU
137
B
ASN
138
n
138
ASN
138
B
ARG
139
n
139
ARG
139
B
ASN
140
n
140
ASN
140
B
LYS
141
n
141
LYS
141
B
ASP
142
n
142
ASP
142
B
THR
143
n
143
THR
143
B
ASN
144
n
144
ASN
144
B
ALA
145
n
145
ALA
145
B
GLY
146
n
146
GLY
146
B
ASP
147
n
147
ASP
147
B
LYS
148
n
148
LYS
148
B
VAL
149
n
149
VAL
149
B
LYS
150
n
150
LYS
150
B
GLY
151
n
151
GLY
151
B
ALA
152
n
152
ALA
152
B
VAL
153
n
153
VAL
153
B
THR
154
n
154
THR
154
B
ALA
155
n
155
ALA
155
B
ALA
156
n
156
ALA
156
B
SER
157
n
157
SER
157
B
LEU
158
n
158
LEU
158
B
LYS
159
n
159
LYS
159
B
PHE
160
n
160
PHE
160
B
SER
161
n
161
SER
161
B
ASP
162
n
162
ASP
162
B
PHE
163
n
163
PHE
163
B
ILE
164
n
164
ILE
164
B
SER
165
n
165
SER
165
B
THR
166
n
166
THR
166
B
LYS
167
n
167
LYS
167
B
ASP
168
n
168
ASP
168
B
ASN
169
n
169
ASN
169
B
LYS
170
n
170
LYS
170
B
CYS
171
n
171
CYS
171
B
GLU
172
n
172
GLU
172
B
TYR
173
n
173
TYR
173
B
ASP
174
n
174
ASP
174
B
ASN
175
n
175
ASN
175
B
VAL
176
n
176
VAL
176
B
SER
177
n
177
SER
177
B
LEU
178
n
178
LEU
178
B
LYS
179
n
179
LYS
179
B
SER
180
n
180
SER
180
B
LEU
181
n
181
LEU
181
B
LEU
182
n
182
LEU
182
B
THR
183
n
183
THR
183
B
LYS
184
n
184
LYS
184
B
author_defined_assembly
1
monomeric
author_defined_assembly
1
monomeric
A
HIS
59
A
NE2
HIS
59
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NA
HEM
1_555
93.4
A
HIS
59
A
NE2
HIS
59
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NB
HEM
1_555
95.5
A
HEM
302
D
NA
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NB
HEM
1_555
88.6
A
HIS
59
A
NE2
HIS
59
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NC
HEM
1_555
85.9
A
HEM
302
D
NA
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NC
HEM
1_555
177.3
A
HEM
302
D
NB
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
NC
HEM
1_555
88.9
A
HIS
59
A
NE2
HIS
59
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
ND
HEM
1_555
87.7
A
HEM
302
D
NA
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
ND
HEM
1_555
91.6
A
HEM
302
D
NB
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
ND
HEM
1_555
176.8
A
HEM
302
D
NC
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HEM
302
D
ND
HEM
1_555
91.0
A
HIS
59
A
NE2
HIS
59
1_555
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
172.3
A
HEM
302
D
NA
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
92.6
A
HEM
302
D
NB
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
89.4
A
HEM
302
D
NC
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
88.3
A
HEM
302
D
ND
HEM
1_555
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
87.4
B
HIS
59
B
NE2
HIS
59
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NA
HEM
1_555
90.8
B
HIS
59
B
NE2
HIS
59
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NB
HEM
1_555
93.6
B
HEM
303
G
NA
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NB
HEM
1_555
90.2
B
HIS
59
B
NE2
HIS
59
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NC
HEM
1_555
90.0
B
HEM
303
G
NA
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NC
HEM
1_555
178.9
B
HEM
303
G
NB
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
NC
HEM
1_555
90.6
B
HIS
59
B
NE2
HIS
59
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
ND
HEM
1_555
87.8
B
HEM
303
G
NA
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
ND
HEM
1_555
90.0
B
HEM
303
G
NB
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
ND
HEM
1_555
178.6
B
HEM
303
G
NC
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HEM
303
G
ND
HEM
1_555
89.1
B
HIS
59
B
NE2
HIS
59
1_555
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
171.3
B
HEM
303
G
NA
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
85.4
B
HEM
303
G
NB
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
94.2
B
HEM
303
G
NC
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
93.8
B
HEM
303
G
ND
HEM
1_555
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
84.4
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
A
O
TRP
23
A
O
TRP
23
A
N
LEU
44
A
N
LEU
44
A
O
CYS
41
A
O
CYS
41
A
N
TYR
60
A
N
TYR
60
A
O
LEU
53
A
O
LEU
53
A
N
LEU
74
A
N
LEU
74
A
O
TYR
69
A
O
TYR
69
A
N
VAL
89
A
N
VAL
89
A
O
TYR
82
A
O
TYR
82
A
N
PHE
107
A
N
PHE
107
A
O
TYR
104
A
O
TYR
104
A
N
HIS
124
A
N
HIS
124
A
O
ALA
117
A
O
ALA
117
A
N
LEU
137
A
N
LEU
137
A
O
TYR
134
A
O
TYR
134
A
N
LEU
29
A
N
LEU
29
B
O
TRP
23
B
O
TRP
23
B
N
LEU
44
B
N
LEU
44
B
O
CYS
41
B
O
CYS
41
B
N
TYR
60
B
N
TYR
60
B
O
LEU
53
B
O
LEU
53
B
N
LEU
74
B
N
LEU
74
B
O
TYR
69
B
O
TYR
69
B
N
VAL
89
B
N
VAL
89
B
O
TYR
82
B
O
TYR
82
B
N
PHE
107
B
N
PHE
107
B
O
TYR
104
B
O
TYR
104
B
N
HIS
124
B
N
HIS
124
B
O
ALA
117
B
O
ALA
117
B
N
LEU
137
B
N
LEU
137
B
O
TYR
134
B
O
TYR
134
B
N
LEU
29
B
N
LEU
29
1
7.19
1.10
114.20
121.39
A
A
A
CA
CB
SG
CYS
CYS
CYS
2
2
2
N
1
-16.38
1.90
113.40
97.02
B
B
B
CA
CB
CG
TYR
TYR
TYR
40
40
40
N
1
A
PHE
18
-85.99
49.89
1
A
ASP
174
-116.26
79.81
1
B
LYS
63
-58.55
-75.68
1
B
SER
78
173.73
169.04
1
B
ASN
169
-44.61
-9.37
PROTEIN_REP.PARAM
TOPHCSDX.PRO
PARAM19X.HEME
TOPH19X.HEME
PARAM.PO4
TOP.PO4
PARAM19.SOL
TOPH19.SOL
31.
BULK SOLVENT CORRECTION WITH K = 0.3578, B = 93.9, BIJVOET PAIRS NOT AVERAGED AND ANOMALOUS SCATTERING FOR FE+3 INCLUDED IN THE FINAL CYCLES OF REFINEMENT.
0.278
0.011
0.181
0.181
2.0
15.0
630
22295
5.0
85.4
RANDOM
0.1
1
RESTRAINED
THROUGHOUT
0.0
MIR
0.25
2.0
15.0
157
3312
269
0
2886
0.016
1.90
30.0
1.38
2.56
1.5
3.95
2.0
4.01
2.0
5.73
2.5
1
UNRESTRAINED
1
X-RAY DIFFRACTION
0.354
0.035
0.295
2.09
102
2016
8
5.0
66.2
21.
2.0
28.0
1NP1
25247
0.0
0.041
1
13.4
2.8
97.7
2.00
2.14
4.1
0.153
2.4
94.
data collection
MADNES
data reduction
AGROVATA/ROTAVATA
model building
X-PLOR
3.851
refinement
X-PLOR
3.851
data reduction
MADNES
data scaling
Agrovata
data scaling
ROTAVATA
phasing
X-PLOR
3.851
NITROPHORIN 1, PROTOPORPHYRIN IX CONTAINING FE, HISTAMINE
CRYSTAL STRUCTURE OF THE COMPLEX OF NITROPHORIN 1 FROM RHODNIUS PROLIXUS WITH HISTAMINE
1
N
N
1
N
N
2
N
N
3
N
N
4
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
A
LYS
14
A
LYS
14
HELX_P
A
TYR
17
A
TYR
17
1
1
4
A
ASP
147
A
ASP
147
HELX_P
A
ALA
156
A
ALA
156
1
2
10
A
PHE
160
A
PHE
160
HELX_P
A
ASP
162
A
ASP
162
5
3
3
A
ASN
175
A
ASN
175
HELX_P
A
LEU
182
A
LEU
182
1
4
8
B
LYS
14
B
LYS
14
HELX_P
B
TYR
17
B
TYR
17
1
5
4
B
ASP
147
B
ASP
147
HELX_P
B
ALA
155
B
ALA
155
1
6
9
B
PHE
160
B
PHE
160
HELX_P
B
ASP
162
B
ASP
162
5
7
3
B
ASN
175
B
ASN
175
HELX_P
B
LEU
182
B
LEU
182
1
8
8
disulf
2.025
A
CYS
2
A
SG
CYS
2
1_555
A
CYS
122
A
SG
CYS
122
1_555
disulf
2.031
A
CYS
41
A
SG
CYS
41
1_555
A
CYS
171
A
SG
CYS
171
1_555
disulf
2.021
B
CYS
2
B
SG
CYS
2
1_555
B
CYS
122
B
SG
CYS
122
1_555
disulf
2.037
B
CYS
41
B
SG
CYS
41
1_555
B
CYS
171
B
SG
CYS
171
1_555
metalc
1.963
A
HEM
302
D
FE
HEM
1_555
A
HIS
59
A
NE2
HIS
59
1_555
metalc
2.098
A
HEM
302
D
FE
HEM
1_555
A
HSM
303
E
NE2
HSM
1_555
metalc
1.994
B
HEM
303
G
FE
HEM
1_555
B
HIS
59
B
NE2
HIS
59
1_555
metalc
2.045
B
HEM
303
G
FE
HEM
1_555
B
HSM
304
H
NE2
HSM
1_555
NITRIC OXIDE TRANSPORT
NITRIC OXIDE TRANSPORT, FERRIC HEME, HISTAMINE, ANTIHISTAMINE, VASODILATOR, LIPOCALIN
given
0.702190
-0.039690
-0.710880
-0.053950
-0.998540
0.002450
-0.709940
0.036630
-0.703310
42.02000
76.55000
97.87000
NP1_RHOPR
UNP
1
1
Q26239
MKSYTALLAVAILCLFAAVGVSGKCTKNALAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEAL
YHYDPKTQDTFYDVSELQEESPGKYTANFKKVEKNGNVKVDVTSGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVL
NRNKDTNAGDKVKGAVTAASLKFSDFISTKDNKCEYDNVSLKSLLTK
24
207
1NP1
1
184
Q26239
A
1
1
184
24
207
1NP1
1
184
Q26239
B
1
1
184
9
9
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
VAL
22
A
VAL
22
A
TYR
24
A
TYR
24
A
CYS
41
A
CYS
41
A
ALA
49
A
ALA
49
A
LYS
52
A
LYS
52
A
TYR
60
A
TYR
60
A
THR
67
A
THR
67
A
SER
78
A
SER
78
A
LYS
81
A
LYS
81
A
VAL
89
A
VAL
89
A
TYR
104
A
TYR
104
A
ALA
112
A
ALA
112
A
SER
116
A
SER
116
A
HIS
124
A
HIS
124
A
ASP
132
A
ASP
132
A
ASN
138
A
ASN
138
A
TYR
24
A
TYR
24
A
ASP
30
A
ASP
30
B
VAL
22
B
VAL
22
B
TYR
24
B
TYR
24
B
TYR
40
B
TYR
40
B
ALA
49
B
ALA
49
B
LYS
52
B
LYS
52
B
ASP
61
B
ASP
61
B
THR
67
B
THR
67
B
SER
78
B
SER
78
B
LYS
81
B
LYS
81
B
VAL
89
B
VAL
89
B
ASN
103
B
ASN
103
B
ALA
112
B
ALA
112
B
SER
116
B
SER
116
B
LYS
125
B
LYS
125
B
ASP
132
B
ASP
132
B
ASN
138
B
ASN
138
B
TYR
24
B
TYR
24
B
ASP
30
B
ASP
30
BINDING SITE FOR RESIDUE PO4 A 301
Software
4
BINDING SITE FOR RESIDUE PO4 B 302
Software
6
BINDING SITE FOR RESIDUE HEM A 302
Software
16
BINDING SITE FOR RESIDUE HSM A 303
Software
6
BINDING SITE FOR RESIDUE HEM B 303
Software
13
BINDING SITE FOR RESIDUE HSM B 304
Software
5
A
ASP
113
A
ASP
113
4
1_555
A
SER
115
A
SER
115
4
1_555
A
SER
116
A
SER
116
4
1_555
A
HOH
344
I
HOH
4
1_555
B
ASP
113
B
ASP
113
6
1_555
B
SER
116
B
SER
116
6
1_555
B
LYS
148
B
LYS
148
6
1_555
B
HOH
323
J
HOH
6
1_555
B
HOH
327
J
HOH
6
1_555
B
HOH
378
J
HOH
6
1_555
A
VAL
25
A
VAL
25
16
1_555
A
TYR
28
A
TYR
28
16
1_555
A
ASP
34
A
ASP
34
16
1_555
A
TYR
40
A
TYR
40
16
1_555
A
LEU
57
A
LEU
57
16
1_555
A
HIS
59
A
HIS
59
16
1_555
A
PHE
68
A
PHE
68
16
1_555
A
ASP
70
A
ASP
70
16
1_555
A
PHE
86
A
PHE
86
16
1_555
A
LYS
88
A
LYS
88
16
1_555
A
TYR
105
A
TYR
105
16
1_555
A
LEU
123
A
LEU
123
16
1_555
A
LYS
125
A
LYS
125
16
1_555
A
LEU
133
A
LEU
133
16
1_555
A
HSM
303
E
HSM
16
1_555
A
HOH
312
I
HOH
16
1_555
A
ASP
30
A
ASP
30
6
1_555
A
GLU
32
A
GLU
32
6
1_555
A
LEU
123
A
LEU
123
6
1_555
A
LEU
130
A
LEU
130
6
1_555
A
HEM
302
D
HEM
6
1_555
A
HOH
304
I
HOH
6
1_555
B
TYR
28
B
TYR
28
13
1_555
B
TYR
40
B
TYR
40
13
1_555
B
LEU
57
B
LEU
57
13
1_555
B
HIS
59
B
HIS
59
13
1_555
B
PHE
68
B
PHE
68
13
1_555
B
ASP
70
B
ASP
70
13
1_555
B
PHE
86
B
PHE
86
13
1_555
B
LYS
88
B
LYS
88
13
1_555
B
TYR
105
B
TYR
105
13
1_555
B
LEU
123
B
LEU
123
13
1_555
B
LYS
125
B
LYS
125
13
1_555
B
HSM
304
H
HSM
13
1_555
B
HOH
313
J
HOH
13
1_555
B
ASP
30
B
ASP
30
5
1_555
B
GLU
32
B
GLU
32
5
1_555
B
LEU
130
B
LEU
130
5
1_555
B
HEM
303
G
HEM
5
1_555
B
HOH
305
J
HOH
5
1_555
4
P 1 21 1