Table 1
(continued)
Enzyme family
EC
number
Enzyme
Cofactors
Source examples
Reduction potentials/ E
°
′ vs.
NHE
References
Dehydrogenases
1.1.99.18
Cellobiose DH
FAD, heme b
Pharenochaete
chrysosporium
100–160 mV (heme b)
[ 67]
1.1.55
Alcohol DH
PQQ+ cyt c,
heme
c
I, II
1 , II
2 , II
3
Gluconobacter
suboxydans
−167 mV (PQQ), 101 mV
(heme c
I), 216 mV (heme
c
II
1 ), 370 mV (heme c
II
2 ),
401 mV (heme c
II
3 )
[68]
1.1.99.11
Fructose DH
PQQ+ cyt c,
heme
c
I, II
1 , II
2 , II
3
Gluconobacter sp.
−183 mV (PQQ)
[69]
1.1.5.2
Glucose DH
PQQ (active site)
Escherichia coli
156 mV (PQQ)
[70]
1.1.2.B5
Pyranose DH
PQQ, heme b
Coprinopsis cinerea
130 mV (heme b)
[ 71]
1.8.1.4
Diaphorase
FMN
Bacillus
stearothermophilus
−325 mV (pH 8.5)
[72]
1.8.2.1
Sulfite DH
Molybdenum, heme
c
Starkeya novella
319 mV (Mo(VI/V)),
−120 mV
(Mo(V/IV)), 195 mV (heme c),
pH 6
a
[73]
1.3.5.1
Succinate DH
[2Fe-2S], [4Fe-4S],
[3Fe-4S], heme b
H ,
heme b
L , FAD
Bacillus subtilis
80 mV ([2Fe–S]),
−240 mV
([4Fe–4S]),
−25 mV ([3Fe–
4S]), 65 mV (heme b
H ),
−95 mV (heme b
L )
a
[74]
1.5.8.2
Trimethylamine
DH
FMN, [4Fe-4S]
bacterium W3A1
102 mV ([4Fe-4S]), 44 mV
(FMN/FMN
−
), 36 mV (FMN
−
/
FMNH
2 )
a
[75]
1.4.9.1
Methylamine
DH
PQQ
Paracoccus
denitrificans
100 mV (PQQ)
a
[76]
(continued)
308
T. Monteiro et al.