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1.10.3.2: laccase

This is an abbreviated version!
For detailed information about laccase, go to the full flat file.

Word Map on EC 1.10.3.2

Reaction

4 benzenediol +

O2
= 4 benzosemiquinone + 2 H2O

Synonyms

ATM, benzenediol oxygen oxidoreductase, benzenediol-oxygen oxidoreductase, benzenediol: oxygen oxidoreductase, benzenediol:O2 oxidoreductase, Benzenediol:oxygen oxidoreductase, blue laccase, blue multicopper oxidase, CcLCC6, CotA, CotA laccase, CotA-laccase, CotA-type laccase, CueO, DA2_0547, DcLac1, DcLac2, Diphenol oxidase, EpoA, Ery4, Ery4 laccase, FpLcc1, FpLcc2, GMET_RS10855, Hvo_B0205, LAC, Lac I, Lac II, Lac-3.5, Lac-4.8, LAC1, Lac2, Lac2a, LAC3, Lac4, LacA, Lacc, laccase, laccase 1, laccase 3, laccase A, Laccase allele OR, Laccase allele TS, laccase CueO, laccase POXA3b, laccase-2, laccase2, LacCh, lacTT, LacTv, LacZ1, Lcc, lcc1, Lcc2, Lcc3, Lcc4, Lcc9, LccA, lccdelta, lccgamma, Ligninolytic phenoloxidase, MAL, McoP, MmPPO laccase, MmPPOA, More, MSK laccase, multicopper oxidase, p-benzenediol:dioxygen oxidoreductase, p-diphenol dioxygen oxidoreductase, p-diphenol oxidase, p-diphenol: dioxygen oxidoreductase, p-diphenol:dioxygenoxidoreductase, p-diphenol:O2 oxidoreductase, p-diphenol:oxygen oxidoreductase, p-diphenol:oxygen-oxidoreductase, PCL, phenol oxidase, PM1 laccase, polyphenol oxidase A, POXA1b, POXA1w, POXA2, POXA3 laccase, POXA3a, POXA3b, POXC, PpoA, PsLac1, PsLac2, rlac1338, SLAC, SN4LAC, spore coat A protein, spore coat protein A, SRL1, SvLAC13, SvLAC15, SvLAC50, SvLAC52, SvLAC9, TaLac1, ThL, TTC1370, TthLAC, two-domain laccase, urishiol oxidase, urushiol oxidase, Wlac, YacK, yellow laccase

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.2 laccase

KCat KM Value

KCat KM Value on EC 1.10.3.2 - laccase

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kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.33 - 0.84
1-hydroxybenzotriazole
0.64
1-naphthol
0.076 - 184500
2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)
0.0552 - 643500
2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)
0.00333 - 35519
2,2'-azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid)
63000
2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid)
-
pH 4, 25°C
0.065 - 0.521
2,2'-azinobis(3-ethylbenzthiazoline-6-sulfonate)
15
2,2-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid)
45°C, pH 6.0, LccA protein isolated from Haloferax volcanii H26 strain US02
0.1 - 530
2,2-azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid)
0.74 - 14000
2,6-dimethoxyphenol
4.737
2,6-dimethylphthalate
pH and temperature not specified in the publication
-
0.0172
2-dianisidine
-
pH 6.0, 25°C
53
3-dimethylaminobenzoic acid
-
pH 6.0, 25°C
4.3 - 58330
4-hydroxy-3,5-dimethoxybenzaldehyde azine
1.54 - 6.1
4-hydroxybenzoic acid
123
bilirubin
45°C, pH 8.4, LccA protein isolated from Haloferax volcanii H26 strain US02
0.011 - 2838
catechol
25.1 - 1208
dopamine
2.3 - 956
ferrocenemonocarboxylic acid
-
0.13 - 334
ferrocyanide
0.012 - 400
guaiacol
0.0045 - 0.12
hydroquinone
0.02 - 383
K4[Fe(CN)6]
13.3
L-Dopa
-
pH 5.0, temperature not specified in the publication
107 - 388
N,N-dimethyl-1,4-phenylenediamine
102 - 3253
N,N-Dimethyl-p-phenylenediamine
0.089 - 5.187
o-Dianisidine
621 - 1662
Sinapic acid
5.672 - 33000
syringaldazine
388
syringic acid
-
pH 4.5, 25°C