62
3 Fundamentals of DET-Type Bioelectrocatalysis
Table 3.1
(continued)
Enzyme group
Enzyme name (source)
Catalytic and redox center(s)* (subunit structure)
Reaction
(half-wave
potential of the
catalytic wave)
Electrode
Refs. PDB
Nitrate reductase (Escherichia
coli)
Mo-pterin, 4Fe4S, 4Fe4S, 4Fe4S, 4Fe4S, 3Fe4S, heme b,
heme b
[heterotrimer]
NO
3
−
+ 2e −
(0.05 V vs. SHE,
pH 7)
EPGE
[31]
NADH:ubiquinone
oxidoreductase [subcomplex of
Complex I] (bovine heart
mitochondria)
FMN, FeS´8 [heterononamer]
NAD +
+ 2e −
NADH (−0.35 V
vs. SHE, pH 8)
EPGE
[32] 5LDW
(whole
complex 1)
Fumarate reductase [succinate
dehydrogenase, soluble part of
Complex II] (Escherichia coli)
FAD (covalent), 2Fe2S, 4Fe4S,3Fe4S [heterotetramer]
fumarate
+ 2e −
succinate
(−0.1 V vs. SHE,
pH 7)
EPGE
[33] 6awf
Carbon monooxide
dehydrogenase
(Carboxydothermus
hydrogenoformans)
(NiFe, 3Fe4S)´2, 4Fe4S [homodimer]
CO
2
+ 2e −
CO (−0.51 V vs.
SHE, pH 7)
EPGE
[34] 1su6
Dimethyl sulfoxide reductase
(Escherichia coli)
Mo-pterin, 4Fe4S, 4Fe4S [heterodimer]
DMSO
+ 2 e −
(−0.1 V vs. SHE,
pH 7)
EPGE
[35]
Aresenite oxidase (Alcaligenes
faecalis)
Mo-pterin, 4Fe4S, 2Fe2S [heterodimer]
As 3+
– 2e −
(0.3 V
vs. SHE, pH 7)
EPGE
[36] 1g8j
Flavohemoprotein
Cellobiose dehydrogenase
(Phanerochaete chrysosporium)
FAD (non-covalent), heme b
[heterodimer]
cellobiose – 2e −
(−0.05 V vs.
Ag|AgCl, pH 3–5)
Graphite electrode
[37] 1kdg
+
1d7b
(continued)