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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

pH Optimum

pH Optimum on EC 1.10.3.2 - laccase

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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2 - 3
-
purified enzyme
2.4 - 2.5
-
-
2.5 - 3
2.5 - 5.5
the optimal pH values for the different substrates 2,2'-azinobis(3-ethylbenzo-6-thiazolinesulfonic) acid, 2,6-dimethoxyphenol, guaiacol, syringaldazine, and anthraquinonic dye Acid Blue 62 oxidation are pH 2.5, pH 4.5, pH 5.0, pH 5.5 and pH 5.5, respectively
2.7
-
substrate: 2,6-dimethoxyphenol
3 - 3.4
assay at, dependent on the substrate
3 - 3.5
3 - 3.6
-
using 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) as substrate
3 - 4.5
-
phenolic substrates
3 - 5
3 - 6.5
3 - 9
recombinant wild-type enzyme, broad optimum
3.2
-
assay at, with substrate 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)
3.4
-
substrate: 2,2'-azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid)
3.5 - 5.5
-
dependent on the substrate
3.7 - 3.8
-
-
3.8
-
substrate sinapic acid
3.8 - 4.8
4 - 4.2
-
-
4 - 5
-
isozyme laccase I, dependent on the substrate
4 - 6
4 - 7
4 - 8
-
dependent on the substrate, overview
4.3
-
immobilized enzyme
4.5 - 5
4.5 - 5.5
maximal activity for 2,2'-azinobis (3-ethylbenzthiazoline-6-sulfonate) and syringaldazine
4.7
-
substrate guaiacol
5 - 6
-
copper alginate and calcium alginate-chitosan immobilized laccase
5 - 7.5
-
substrate guaiacol
5.3
assay at, substrate 2,6-dimethoxyphenol
5.4
-
substrate catechol
6 - 7
6.9
substrate: syringaldazine
7.3
substrate: 2,6-dimethoxyphenol
8 - 9
-
for the I494A mutant
additional information