Environmental Engineering Reference
In-Depth Information
Table 4 Characteristics of selected bacterial and archaeal high-spin and low-spin sulfite reductases. Iron compounds are listed for intact enzyme structure.
Siroheme
(sirohydrochlorin)
[4Fe-4S]
Cluster
Protein
ʻ
max (nm) Organism
M
r
(kDa) Non-heme Iron
Reference
High-spin “dissimilatory-type” sulfite reductase
Desulfoviridin
628
D. gigas
200
34
2(2)
8
[
64
,
92
,
93
]
630
D. vulgaris
H
200
34
2(2)
8
[
95
,
96
,
165
]
P-582
582
Dst. nigrificans
194
16
1.3
4
[
65
,
111
]
Dst. thermocisternum
a
582
196
16
2
4
[
112
]
T. commune
b
Desulfofuscidin
576
167
20-21
4
4
[
69
,
120
]
578
T. mobile
190
32
4
8
[
119
]
Dsm. novegicum
c
Desulforubidin
545
225
36
4
8
[
15
,
93
,
102
,
113
]
545
Ds. variabilis
208
15
2
8
[
166
]
Archaeal
593
Ar. fulgidus
218
36
4
8
[
89
,
117
]
NR
d
Ar. profundus
198
24
2
6
[
112
]
Low-spin “assimilatory-type” sulfite reductase
590
D. vulgaris
H
27.2
5
1
1
[
67
,
143
]
587
Drm. acetoxidans
23.6
5
1
1
[
145
]
590
Ms. barkeri
23
5
1
1
[
87
,
144
]
a
Calculated from gene analysis.
b
Formerly known as
D. thermophilus
.
c
Formerly known as
D. desulfuricans
Norway 4 and
D. baculatus
Norway 4.
d
NR: not reported
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