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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

Metals Ions

Metals Ions on EC 1.10.3.2 - laccase

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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
(NH4)2SO4
-
4fold activation
Ag3+
-
2.5 mM, activates to 115.94% of control
AgNO3
-
1 mM, 3% residual activity
copper
CuCl2
-
1 mM, increases activity by 28.5%
CuSO4
H2O2
-
0.5 mM, 63% residual activity
HgCl2
-
1 mM, 1% residual activity
imidazole
-
about 2fold activation
K2SO4
-
3.2fold activation
KCl
activity is optimal at 200 mM salt, with 1.5fold greater activity in KCl than in NaCl, and the enzyme displays reduced activity after the removal of salt by dialysis
Manganese
-
1 gatom per mol
MgCl2
0.5 mM, 1.08fold activation
MnCl2
-
1 mM, increases activity by 11.7%
MnSO4
-
1 mM, 1.2fold activation
Na2SO4
-
3.5fold activation
NH4+
slightly activating
Pb(NO3)2
-
1 mM, 24% residual activity
Sn2+
-
10 mM, 6.1fold activation
Zinc
-
2 gatom per mol
ZnSO4
-
1 mM, 59% residual activity
additional information