0.012698
0.000000
0.000000
0.000000
0.012698
0.000000
0.000000
0.000000
0.034427
0.00000
0.00000
0.00000
Brige, A.
Leys, D.
Meyer, T.E.
Cusanovich, M.A.
Van Beeumen, J.J.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
78.752
78.752
29.047
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 H34 Fe N4 O4
618.503
HEME C
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
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Biochemistry
BICHAW
0033
0006-2960
41
4827
4836
10.1021/bi012144b
11939777
The 1.25 A resolution structure of the diheme NapB subunit of soluble nitrate reductase reveals a novel cytochrome c fold with a stacked heme arrangement.
2002
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
173
1
CCD
2000-08-14
MARRESEARCH
SAGITALLY FOCUSED Si(111)
MAD
M
x-ray
1
0.9640
1.0
ID13
ESRF
0.9640
SYNCHROTRON
ESRF BEAMLINE ID13
13444.035
DIHEME CYTOCHROME C NAPB
SMALL SUBUNIT OF THE PERIPLASMIC NITRATE REDUCTASE
1
man
polymer
618.503
HEME C
2
syn
non-polymer
18.015
water
128
nat
water
periplasmic nitrate reductase; napB
no
no
DAPAVGKDLTQAAENIPPAFHNAPRQGELPALNYVNQPPMVPHSVANYQVTKNVNQCLNCHSPENSRLSGATRISPTHFM
DRDGKVGSSSSPRRYFCLQCHVSQANVDPIVPNDFKPMKGYGN
DAPAVGKDLTQAAENIPPAFHNAPRQGELPALNYVNQPPMVPHSVANYQVTKNVNQCLNCHSPENSRLSGATRISPTHFM
DRDGKVGSSSSPRRYFCLQCHVSQANVDPIVPNDFKPMKGYGN
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
Haemophilus
Escherichia
sample
727
Haemophilus influenzae
562
Escherichia coli
1
1.67
26.57
VAPOR DIFFUSION, HANGING DROP
5.5
ammonium sulphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP at 296K
296
atom_site
atom_site_anisotrop
chem_comp
entity
pdbx_distant_solvent_atoms
pdbx_entity_nonpoly
pdbx_nonpoly_scheme
pdbx_struct_conn_angle
struct_conn
struct_conn_type
struct_site
repository
Initial release
Version format compliance
Version format compliance
Advisory
Atomic model
Data collection
Derived calculations
Non-polymer description
Structure summary
1
0
2002-05-17
1
1
2007-10-16
1
2
2011-07-13
2
0
2021-03-03
_atom_site.B_iso_or_equiv
_atom_site.Cartn_x
_atom_site.Cartn_y
_atom_site.Cartn_z
_atom_site.auth_atom_id
_atom_site.auth_comp_id
_atom_site.label_atom_id
_atom_site.label_comp_id
_atom_site.type_symbol
_atom_site_anisotrop.U[1][1]
_atom_site_anisotrop.U[1][2]
_atom_site_anisotrop.U[1][3]
_atom_site_anisotrop.U[2][2]
_atom_site_anisotrop.U[2][3]
_atom_site_anisotrop.U[3][3]
_atom_site_anisotrop.pdbx_auth_atom_id
_atom_site_anisotrop.pdbx_auth_comp_id
_atom_site_anisotrop.pdbx_label_atom_id
_atom_site_anisotrop.pdbx_label_comp_id
_atom_site_anisotrop.type_symbol
_chem_comp.formula
_chem_comp.formula_weight
_chem_comp.id
_chem_comp.name
_chem_comp.pdbx_synonyms
_entity.formula_weight
_entity.pdbx_description
_pdbx_entity_nonpoly.comp_id
_pdbx_entity_nonpoly.name
_pdbx_nonpoly_scheme.mon_id
_pdbx_nonpoly_scheme.pdb_mon_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_label_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_struct_conn.conn_type_id
_struct_conn.id
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_leaving_atom_flag
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn_type.id
_struct_site.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2001-07-24
REL
1
A
O
HOH
204
8.32
1
A
O
HOH
211
6.64
1
A
O
HOH
216
8.49
1
A
O
HOH
234
6.91
1
A
O
HOH
240
8.22
1
A
O
HOH
254
10.80
HEC
HEME C
HOH
water
HEM
110
2
HEC
HEC
125
A
HEM
111
2
HEC
HEC
126
A
HOH
1
3
HOH
HOH
127
A
HOH
2
3
HOH
HOH
128
A
HOH
3
3
HOH
HOH
129
A
HOH
4
3
HOH
HOH
130
A
HOH
5
3
HOH
HOH
131
A
HOH
6
3
HOH
HOH
132
A
HOH
7
3
HOH
HOH
133
A
HOH
8
3
HOH
HOH
134
A
HOH
9
3
HOH
HOH
135
A
HOH
10
3
HOH
HOH
136
A
HOH
11
3
HOH
HOH
137
A
HOH
12
3
HOH
HOH
138
A
HOH
13
3
HOH
HOH
139
A
HOH
14
3
HOH
HOH
140
A
HOH
15
3
HOH
HOH
141
A
HOH
16
3
HOH
HOH
142
A
HOH
17
3
HOH
HOH
143
A
HOH
18
3
HOH
HOH
144
A
HOH
19
3
HOH
HOH
145
A
HOH
20
3
HOH
HOH
146
A
HOH
21
3
HOH
HOH
147
A
HOH
22
3
HOH
HOH
148
A
HOH
23
3
HOH
HOH
149
A
HOH
24
3
HOH
HOH
150
A
HOH
25
3
HOH
HOH
151
A
HOH
26
3
HOH
HOH
152
A
HOH
27
3
HOH
HOH
153
A
HOH
28
3
HOH
HOH
154
A
HOH
29
3
HOH
HOH
155
A
HOH
30
3
HOH
HOH
156
A
HOH
31
3
HOH
HOH
157
A
HOH
32
3
HOH
HOH
158
A
HOH
33
3
HOH
HOH
159
A
HOH
34
3
HOH
HOH
160
A
HOH
35
3
HOH
HOH
161
A
HOH
36
3
HOH
HOH
162
A
HOH
37
3
HOH
HOH
163
A
HOH
38
3
HOH
HOH
164
A
HOH
39
3
HOH
HOH
165
A
HOH
40
3
HOH
HOH
166
A
HOH
41
3
HOH
HOH
167
A
HOH
42
3
HOH
HOH
168
A
HOH
43
3
HOH
HOH
169
A
HOH
44
3
HOH
HOH
170
A
HOH
45
3
HOH
HOH
171
A
HOH
46
3
HOH
HOH
172
A
HOH
47
3
HOH
HOH
173
A
HOH
48
3
HOH
HOH
174
A
HOH
49
3
HOH
HOH
175
A
HOH
50
3
HOH
HOH
176
A
HOH
51
3
HOH
HOH
177
A
HOH
52
3
HOH
HOH
178
A
HOH
53
3
HOH
HOH
179
A
HOH
54
3
HOH
HOH
180
A
HOH
55
3
HOH
HOH
181
A
HOH
56
3
HOH
HOH
182
A
HOH
57
3
HOH
HOH
183
A
HOH
58
3
HOH
HOH
184
A
HOH
59
3
HOH
HOH
185
A
HOH
60
3
HOH
HOH
186
A
HOH
61
3
HOH
HOH
187
A
HOH
62
3
HOH
HOH
188
A
HOH
63
3
HOH
HOH
189
A
HOH
64
3
HOH
HOH
190
A
HOH
65
3
HOH
HOH
191
A
HOH
66
3
HOH
HOH
192
A
HOH
67
3
HOH
HOH
193
A
HOH
68
3
HOH
HOH
194
A
HOH
69
3
HOH
HOH
195
A
HOH
70
3
HOH
HOH
196
A
HOH
71
3
HOH
HOH
197
A
HOH
72
3
HOH
HOH
198
A
HOH
73
3
HOH
HOH
199
A
HOH
74
3
HOH
HOH
200
A
HOH
75
3
HOH
HOH
201
A
HOH
76
3
HOH
HOH
202
A
HOH
77
3
HOH
HOH
203
A
HOH
78
3
HOH
HOH
204
A
HOH
79
3
HOH
HOH
205
A
HOH
80
3
HOH
HOH
206
A
HOH
81
3
HOH
HOH
207
A
HOH
82
3
HOH
HOH
208
A
HOH
83
3
HOH
HOH
209
A
HOH
84
3
HOH
HOH
210
A
HOH
85
3
HOH
HOH
211
A
HOH
87
3
HOH
HOH
212
A
HOH
88
3
HOH
HOH
213
A
HOH
89
3
HOH
HOH
214
A
HOH
90
3
HOH
HOH
215
A
HOH
91
3
HOH
HOH
216
A
HOH
92
3
HOH
HOH
217
A
HOH
93
3
HOH
HOH
218
A
HOH
94
3
HOH
HOH
219
A
HOH
95
3
HOH
HOH
220
A
HOH
96
3
HOH
HOH
221
A
HOH
97
3
HOH
HOH
222
A
HOH
98
3
HOH
HOH
223
A
HOH
99
3
HOH
HOH
224
A
HOH
100
3
HOH
HOH
225
A
HOH
101
3
HOH
HOH
226
A
HOH
102
3
HOH
HOH
227
A
HOH
103
3
HOH
HOH
228
A
HOH
104
3
HOH
HOH
229
A
HOH
105
3
HOH
HOH
230
A
HOH
106
3
HOH
HOH
231
A
HOH
107
3
HOH
HOH
232
A
HOH
108
3
HOH
HOH
233
A
HOH
109
3
HOH
HOH
234
A
HOH
110
3
HOH
HOH
235
A
HOH
111
3
HOH
HOH
236
A
HOH
112
3
HOH
HOH
237
A
HOH
113
3
HOH
HOH
238
A
HOH
114
3
HOH
HOH
239
A
HOH
115
3
HOH
HOH
240
A
HOH
116
3
HOH
HOH
241
A
HOH
117
3
HOH
HOH
242
A
HOH
118
3
HOH
HOH
243
A
HOH
119
3
HOH
HOH
244
A
HOH
120
3
HOH
HOH
245
A
HOH
121
3
HOH
HOH
246
A
HOH
122
3
HOH
HOH
247
A
HOH
123
3
HOH
HOH
248
A
HOH
124
3
HOH
HOH
249
A
HOH
125
3
HOH
HOH
250
A
HOH
126
3
HOH
HOH
251
A
HOH
127
3
HOH
HOH
252
A
HOH
128
3
HOH
HOH
253
A
HOH
129
3
HOH
HOH
254
A
n
1
2
A
n
2
3
A
n
3
4
A
n
4
5
A
n
5
6
A
n
6
7
A
n
7
8
A
n
8
9
A
n
9
10
A
n
10
11
A
n
11
12
A
n
12
13
A
n
13
14
A
n
14
15
A
n
15
16
A
n
16
17
A
n
17
18
A
n
18
19
A
n
19
20
A
n
20
21
A
n
21
22
A
n
22
23
A
n
23
24
A
n
24
25
A
n
25
26
A
n
26
27
A
n
27
28
A
n
28
29
A
n
29
30
A
n
30
31
A
n
31
32
A
n
32
33
A
n
33
34
A
n
34
35
A
n
35
36
A
ASN
37
n
36
ASN
37
A
GLN
38
n
37
GLN
38
A
PRO
39
n
38
PRO
39
A
PRO
40
n
39
PRO
40
A
MET
41
n
40
MET
41
A
VAL
42
n
41
VAL
42
A
PRO
43
n
42
PRO
43
A
HIS
44
n
43
HIS
44
A
SER
45
n
44
SER
45
A
VAL
46
n
45
VAL
46
A
ALA
47
n
46
ALA
47
A
ASN
48
n
47
ASN
48
A
TYR
49
n
48
TYR
49
A
GLN
50
n
49
GLN
50
A
VAL
51
n
50
VAL
51
A
THR
52
n
51
THR
52
A
LYS
53
n
52
LYS
53
A
ASN
54
n
53
ASN
54
A
VAL
55
n
54
VAL
55
A
ASN
56
n
55
ASN
56
A
GLN
57
n
56
GLN
57
A
CYS
58
n
57
CYS
58
A
LEU
59
n
58
LEU
59
A
ASN
60
n
59
ASN
60
A
CYS
61
n
60
CYS
61
A
HIS
62
n
61
HIS
62
A
SER
63
n
62
SER
63
A
PRO
64
n
63
PRO
64
A
GLU
65
n
64
GLU
65
A
ASN
66
n
65
ASN
66
A
SER
67
n
66
SER
67
A
ARG
68
n
67
ARG
68
A
LEU
69
n
68
LEU
69
A
SER
70
n
69
SER
70
A
GLY
71
n
70
GLY
71
A
ALA
72
n
71
ALA
72
A
THR
73
n
72
THR
73
A
ARG
74
n
73
ARG
74
A
ILE
75
n
74
ILE
75
A
SER
76
n
75
SER
76
A
PRO
77
n
76
PRO
77
A
THR
78
n
77
THR
78
A
HIS
79
n
78
HIS
79
A
PHE
80
n
79
PHE
80
A
MET
81
n
80
MET
81
A
ASP
82
n
81
ASP
82
A
ARG
83
n
82
ARG
83
A
ASP
84
n
83
ASP
84
A
GLY
85
n
84
GLY
85
A
LYS
86
n
85
LYS
86
A
VAL
87
n
86
VAL
87
A
n
87
88
A
n
88
89
A
n
89
90
A
n
90
91
A
SER
92
n
91
SER
92
A
PRO
93
n
92
PRO
93
A
ARG
94
n
93
ARG
94
A
ARG
95
n
94
ARG
95
A
TYR
96
n
95
TYR
96
A
PHE
97
n
96
PHE
97
A
CYS
98
n
97
CYS
98
A
LEU
99
n
98
LEU
99
A
GLN
100
n
99
GLN
100
A
CYS
101
n
100
CYS
101
A
HIS
102
n
101
HIS
102
A
VAL
103
n
102
VAL
103
A
SER
104
n
103
SER
104
A
n
104
105
A
n
105
106
A
n
106
107
A
n
107
108
A
n
108
109
A
n
109
110
A
n
110
111
A
n
111
112
A
n
112
113
A
n
113
114
A
n
114
115
A
n
115
116
A
n
116
117
A
n
117
118
A
n
118
119
A
n
119
120
A
n
120
121
A
n
121
122
A
n
122
123
A
n
123
124
A
author_defined_assembly
1
monomeric
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NA
HEC
1_555
97.8
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NB
HEC
1_555
93.4
A
HEC
126
C
NA
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NB
HEC
1_555
89.9
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NC
HEC
1_555
86.5
A
HEC
126
C
NA
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NC
HEC
1_555
175.8
A
HEC
126
C
NB
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
NC
HEC
1_555
90.0
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
ND
HEC
1_555
85.9
A
HEC
126
C
NA
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
ND
HEC
1_555
89.1
A
HEC
126
C
NB
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
ND
HEC
1_555
178.7
A
HEC
126
C
NC
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HEC
126
C
ND
HEC
1_555
91.1
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
A
HIS
62
A
NE2
HIS
61
1_555
176.3
A
HEC
126
C
NA
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HIS
62
A
NE2
HIS
61
1_555
85.4
A
HEC
126
C
NB
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HIS
62
A
NE2
HIS
61
1_555
88.5
A
HEC
126
C
NC
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HIS
62
A
NE2
HIS
61
1_555
90.3
A
HEC
126
C
ND
HEC
1_555
A
HEC
126
C
FE
HEC
1_555
A
HIS
62
A
NE2
HIS
61
1_555
92.3
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NA
HEC
1_555
91.2
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NB
HEC
1_555
88.0
A
HEC
125
B
NA
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NB
HEC
1_555
90.2
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NC
HEC
1_555
91.0
A
HEC
125
B
NA
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NC
HEC
1_555
177.7
A
HEC
125
B
NB
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
NC
HEC
1_555
89.4
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
ND
HEC
1_555
92.4
A
HEC
125
B
NA
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
ND
HEC
1_555
90.9
A
HEC
125
B
NB
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
ND
HEC
1_555
178.8
A
HEC
125
B
NC
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HEC
125
B
ND
HEC
1_555
89.4
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
A
HIS
102
A
NE2
HIS
101
1_555
176.6
A
HEC
125
B
NA
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HIS
102
A
NE2
HIS
101
1_555
85.9
A
HEC
125
B
NB
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HIS
102
A
NE2
HIS
101
1_555
90.1
A
HEC
125
B
NC
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HIS
102
A
NE2
HIS
101
1_555
91.8
A
HEC
125
B
ND
HEC
1_555
A
HEC
125
B
FE
HEC
1_555
A
HIS
102
A
NE2
HIS
101
1_555
89.6
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
A
N
THR
52
A
N
THR
51
A
O
VAL
55
A
O
VAL
54
1
A
HOH
136
D
HOH
1
A
HOH
145
D
HOH
1
A
HOH
160
D
HOH
1
A
N
ASN
37
A
N
ASN
36
1
Y
1
A
CA
ASN
37
A
CA
ASN
36
1
Y
1
A
CB
ASN
37
A
CB
ASN
36
1
Y
1
A
CG
ASN
37
A
CG
ASN
36
1
Y
1
A
OD1
ASN
37
A
OD1
ASN
36
1
Y
1
A
ND2
ASN
37
A
ND2
ASN
36
1
Y
1
A
CG
LYS
53
A
CG
LYS
52
1
Y
1
A
CD
LYS
53
A
CD
LYS
52
1
Y
1
A
CE
LYS
53
A
CE
LYS
52
1
Y
1
A
NZ
LYS
53
A
NZ
LYS
52
1
Y
1
A
CG
ARG
68
A
CG
ARG
67
1
Y
1
A
CD
ARG
68
A
CD
ARG
67
1
Y
1
A
NE
ARG
68
A
NE
ARG
67
1
Y
1
A
CZ
ARG
68
A
CZ
ARG
67
1
Y
1
A
NH1
ARG
68
A
NH1
ARG
67
1
Y
1
A
NH2
ARG
68
A
NH2
ARG
67
1
Y
1
A
CG
ARG
83
A
CG
ARG
82
1
Y
1
A
CD
ARG
83
A
CD
ARG
82
1
Y
1
A
NE
ARG
83
A
NE
ARG
82
1
Y
1
A
CZ
ARG
83
A
CZ
ARG
82
1
Y
1
A
NH1
ARG
83
A
NH1
ARG
82
1
Y
1
A
NH2
ARG
83
A
NH2
ARG
82
1
Y
1
A
CG
LYS
86
A
CG
LYS
85
1
Y
1
A
CD
LYS
86
A
CD
LYS
85
1
Y
1
A
CE
LYS
86
A
CE
LYS
85
1
Y
1
A
NZ
LYS
86
A
NZ
LYS
85
1
Y
1
A
N
SER
92
A
N
SER
91
1
Y
1
A
CA
SER
92
A
CA
SER
91
1
Y
1
A
CB
SER
92
A
CB
SER
91
1
Y
1
A
OG
SER
92
A
OG
SER
91
1
Y
1
A
CG
ARG
94
A
CG
ARG
93
1
Y
1
A
CD
ARG
94
A
CD
ARG
93
1
Y
1
A
NE
ARG
94
A
NE
ARG
93
1
Y
1
A
CZ
ARG
94
A
CZ
ARG
93
1
Y
1
A
NH1
ARG
94
A
NH1
ARG
93
1
Y
1
A
NH2
ARG
94
A
NH2
ARG
93
1
Y
1
A
ASP
2
A
ASP
1
1
Y
1
A
ALA
3
A
ALA
2
1
Y
1
A
PRO
4
A
PRO
3
1
Y
1
A
ALA
5
A
ALA
4
1
Y
1
A
VAL
6
A
VAL
5
1
Y
1
A
GLY
7
A
GLY
6
1
Y
1
A
LYS
8
A
LYS
7
1
Y
1
A
ASP
9
A
ASP
8
1
Y
1
A
LEU
10
A
LEU
9
1
Y
1
A
THR
11
A
THR
10
1
Y
1
A
GLN
12
A
GLN
11
1
Y
1
A
ALA
13
A
ALA
12
1
Y
1
A
ALA
14
A
ALA
13
1
Y
1
A
GLU
15
A
GLU
14
1
Y
1
A
ASN
16
A
ASN
15
1
Y
1
A
ILE
17
A
ILE
16
1
Y
1
A
PRO
18
A
PRO
17
1
Y
1
A
PRO
19
A
PRO
18
1
Y
1
A
ALA
20
A
ALA
19
1
Y
1
A
PHE
21
A
PHE
20
1
Y
1
A
HIS
22
A
HIS
21
1
Y
1
A
ASN
23
A
ASN
22
1
Y
1
A
ALA
24
A
ALA
23
1
Y
1
A
PRO
25
A
PRO
24
1
Y
1
A
ARG
26
A
ARG
25
1
Y
1
A
GLN
27
A
GLN
26
1
Y
1
A
GLY
28
A
GLY
27
1
Y
1
A
GLU
29
A
GLU
28
1
Y
1
A
LEU
30
A
LEU
29
1
Y
1
A
PRO
31
A
PRO
30
1
Y
1
A
ALA
32
A
ALA
31
1
Y
1
A
LEU
33
A
LEU
32
1
Y
1
A
ASN
34
A
ASN
33
1
Y
1
A
TYR
35
A
TYR
34
1
Y
1
A
VAL
36
A
VAL
35
1
Y
1
A
GLY
88
A
GLY
87
1
Y
1
A
SER
89
A
SER
88
1
Y
1
A
SER
90
A
SER
89
1
Y
1
A
SER
91
A
SER
90
1
Y
1
A
GLN
105
A
GLN
104
1
Y
1
A
ALA
106
A
ALA
105
1
Y
1
A
ASN
107
A
ASN
106
1
Y
1
A
VAL
108
A
VAL
107
1
Y
1
A
ASP
109
A
ASP
108
1
Y
1
A
PRO
110
A
PRO
109
1
Y
1
A
ILE
111
A
ILE
110
1
Y
1
A
VAL
112
A
VAL
111
1
Y
1
A
PRO
113
A
PRO
112
1
Y
1
A
ASN
114
A
ASN
113
1
Y
1
A
ASP
115
A
ASP
114
1
Y
1
A
PHE
116
A
PHE
115
1
Y
1
A
LYS
117
A
LYS
116
1
Y
1
A
PRO
118
A
PRO
117
1
Y
1
A
MET
119
A
MET
118
1
Y
1
A
LYS
120
A
LYS
119
1
Y
1
A
GLY
121
A
GLY
120
1
Y
1
A
TYR
122
A
TYR
121
1
Y
1
A
GLY
123
A
GLY
122
1
Y
1
A
ASN
124
A
ASN
123
1
Y
1
3.90
0.60
121.00
124.90
A
A
A
CB
CG
CD1
TYR
TYR
TYR
49
49
49
N
26.855
0.2141000
0.1702000
0.1596000
0.1596000
1.25
10
1092
20831
20831
5.
RANDOM
1
anisotropic model
0
0
MAD
Engh & Huber
1.25
10
128
687
86
0
473
0.015
0.033
0.0264
0.071
0.077
28
1.24
10
1JNI
22337
0
0
0.0890000
1
17.0
84.4
0.3160000
1.24
1.30
1.37
65.5
phasing
MLPHARE
refinement
SHELXL-97
data reduction
DENZO
data scaling
SCALEPACK
DIHEME CYTOCHROME C NAPB
Structure of the NapB subunit of the periplasmic nitrate reductase from Haemophilus influenzae.
1
N
N
2
N
N
2
N
N
3
N
N
A
CYS
58
A
CYS
57
HELX_P
A
SER
63
A
SER
62
1
1
6
A
ASN
66
A
ASN
65
HELX_P
A
GLY
71
A
GLY
70
1
2
6
A
SER
76
A
SER
75
HELX_P
A
PHE
80
A
PHE
79
5
3
5
A
PHE
97
A
PHE
96
HELX_P
A
CYS
101
A
CYS
100
5
4
5
covale
1.979
none
A
CYS
58
A
SG
CYS
57
1_555
A
HEC
126
C
CAB
HEC
1_555
covale
1.851
none
A
CYS
61
A
SG
CYS
60
1_555
A
HEC
126
C
CAC
HEC
1_555
covale
1.932
none
A
CYS
98
A
SG
CYS
97
1_555
A
HEC
125
B
CAB
HEC
1_555
covale
1.906
none
A
CYS
101
A
SG
CYS
100
1_555
A
HEC
125
B
CAC
HEC
1_555
metalc
2.073
A
HIS
44
A
NE2
HIS
43
1_555
A
HEC
126
C
FE
HEC
1_555
metalc
2.003
A
HIS
62
A
NE2
HIS
61
1_555
A
HEC
126
C
FE
HEC
1_555
metalc
2.007
A
HIS
79
A
NE2
HIS
78
1_555
A
HEC
125
B
FE
HEC
1_555
metalc
2.051
A
HIS
102
A
NE2
HIS
101
1_555
A
HEC
125
B
FE
HEC
1_555
OXIDOREDUCTASE
dihaem cytochrome c, proteolytic fragment, nitrate reductase subunit, OXIDOREDUCTASE
NAPB_HAEIN
UNP
1
28
P44654
DAPAVGKDLTQAAENIPPAFHNAPRQGELPALNYVNQPPMVPHSVANYQVTKNVNQCLNCHSPENSRLSGATRISPTHFM
DRDGKVGSSSSPRRYFCLQCHVSQANVDPIVPNDFKPMKGYGN
28
150
1JNI
2
124
P44654
A
1
1
123
2
anti-parallel
A
VAL
51
A
VAL
50
A
THR
52
A
THR
51
A
VAL
55
A
VAL
54
A
ASN
56
A
ASN
55
BINDING SITE FOR RESIDUE HEC A 125
A
HEC
125
Software
14
BINDING SITE FOR RESIDUE HEC A 126
A
HEC
126
Software
18
A
PRO
39
A
PRO
38
14
1_555
A
HIS
62
A
HIS
61
14
1_555
A
THR
73
A
THR
72
14
1_555
A
ILE
75
A
ILE
74
14
1_555
A
SER
76
A
SER
75
14
1_555
A
THR
78
A
THR
77
14
1_555
A
HIS
79
A
HIS
78
14
1_555
A
ARG
95
A
ARG
94
14
1_555
A
TYR
96
A
TYR
95
14
1_555
A
PHE
97
A
PHE
96
14
1_555
A
CYS
98
A
CYS
97
14
1_555
A
CYS
101
A
CYS
100
14
1_555
A
HIS
102
A
HIS
101
14
1_555
A
HOH
186
D
HOH
14
1_555
A
PRO
40
A
PRO
39
18
1_555
A
VAL
42
A
VAL
41
18
1_555
A
PRO
43
A
PRO
42
18
1_555
A
HIS
44
A
HIS
43
18
1_555
A
TYR
49
A
TYR
48
18
1_555
A
GLN
57
A
GLN
56
18
1_555
A
CYS
58
A
CYS
57
18
1_555
A
CYS
61
A
CYS
60
18
1_555
A
HIS
62
A
HIS
61
18
1_555
A
GLY
71
A
GLY
70
18
1_555
A
ALA
72
A
ALA
71
18
1_555
A
THR
73
A
THR
72
18
1_555
A
THR
78
A
THR
77
18
3_555
A
GLY
85
A
GLY
84
18
3_555
A
CYS
98
A
CYS
97
18
1_555
A
HIS
102
A
HIS
101
18
1_555
A
HOH
182
D
HOH
18
1_555
A
HOH
203
D
HOH
18
1_555
90
tetragonal
P 4 21 2