Enzyme Details
EC Classification
1.10.3.2
Enzyme name
(recommended)
laccase
Alternative names
benzenediol:oxygen oxidoreductase
urishiol oxidase
urushiol oxidase
p-diphenol oxidase
Classification
Oxidoreductases
Acting on diphenols and related substances as donors
With oxygen as acceptor
Catalyses reactions
O2 + 4 Benzenediol <-> 2 H2O + 4 Benzosemiquinone
O2 + 2,2'-Azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) <-> 2 H2O + Oxidized 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)
O2 + Syringaldazine <-> 2 H2O + Oxidized syringaldazine
O2 + 2,6-Dimethoxyphenol <-> 2 H2O + Oxidized donor
2 H+ + H2O2 + 2 Hexacyanoferrate(II) <-> 2 H2O + 2 Hexacyanoferrate(III)
O2 + 2 Catechol <-> 2 H2O + 2 1,2-Benzoquinone
O2 + Guaiacol <-> 2 H2O + Oxidized guaiacol
O2 + Sinapate <-> 2 H2O + Oxidized donor
O2 + 1,2,3-Trihydroxybenzene <-> 2 H2O + Oxidized pyrogallol
O2 + Dopamine <-> 2 H2O + Oxidized donor
O2 + Catechol <-> 2 H2O + Oxidized donor
O2 + 4-Methylcatechol <-> 2 H2O + Oxidized donor
O2 + 1,2,3-Trihydroxybenzene <-> 2 H2O + Oxidized donor
O2 + Syringic acid <-> 2 H2O + Oxidized donor
O2 + 2,3-Dihydroxybenzoate <-> 2 H2O + Oxidized donor
O2 + N,N,N',N'-Tetramethyl-p-phenylenediamine <-> 2 H2O + Oxidized N,N,N',N'-Tetramethyl-p-phenylenediamine
4 Cu+ + 4 H+ + O2 <-> 4 Cu2+ + 2 H2O
O2 + L-Dopa <-> 2 H2O + Oxidized L-Dopa
O2 + Syringaldehyde <-> 2 H2O + Oxidized donor
O2 + Acetosyringone <-> 2 H2O + Oxidized donor
O2 + Methyl syringate <-> 2 H2O + Oxidized donor
O2 + Amplex Red <-> 2 H2O + Resorufin
O2 + Quercetin <-> 2 H2O + Oxidized donor
O2 + Morin <-> 2 H2O + Oxidized donor
O2 + Myricetin <-> 2 H2O + Oxidized donor
O2 + o-Dianisidine <-> 2 H2O + Oxidized o-dianisidine
O2 + L-Dopa <-> 2 H2O + Oxidized donor
O2 + 1,2-Diaminobenzene <-> 2 H2O + Oxidized donor
O2 + 2 Hydroquinone <-> 2 H2O + 2 1,4-Benzoquinone
O2 + 3,3'-Dimethylbenzidine <-> 2 H2O + Oxidized donor
O2 + 2 Potassium ferrocyanide <-> 2 H2O + 2 Potassium ferricyanide
O2 + Hydroquinone <-> 2 H2O + Oxidized donor
O2 + p-Phenylenediamine <-> 2 H2O + Oxidized donor
O2 + 1-(3-Methoxy-4-hydroxy)-2-(2-methoxyphenoxy)-1,3-dihydroxypropane <-> Unknown + 2 H2O + 4-Hydroxy-3-methoxy-benzaldehyde
O2 + Eugenol <-> 2 H2O + Oxidized donor
H2O2 + 2,6-Dimethoxyphenol <-> 2 H2O + Oxidized donor
O2 + 1,8-Diaminonaphthalene <-> 2 H2O + Oxidized donor
O2 + 3,3',5,5'-Tetramethylbenzidine <-> 2 H2O + Oxidized donor
O2 + Mordant Black 9 <-> 2 H2O + Oxidized donor
O2 + Acid Blue 62 <-> 2 H2O + Oxidized donor
O2 + Acid Black 194 <-> 2 H2O + Oxidized donor
Cu2+ + O2 + Reactive black 5 <-> 2 H2O + Oxidized reactive black 5
O2 + Osmium complex <-> 2 H2O + Oxidized osmium complex
O2 + 2 Hexacyanoferrate(II) <-> 2 H2O + 2 Hexacyanoferrate(III)
4 H+ + 4 I- + O2 <-> 2 H2O + 2 Iodine
O2 + 3,4-Dihydroxybenzoate <-> 2 H2O + Oxidized donor
O2 + Enterochelin <-> 2 H2O + Oxidized donor
O2 + 3-Hydroxyanthranilate <-> 2 H2O + Oxidized donor
O2 + Aflatoxin B1 <-> 2 H2O + Oxidized donor
O2 + 2 2,6-Dimethoxyphenol <-> 2 H2O + Cerulignone
O2 + Sudan Orange G <-> 2 H2O + Oxidized Sudan Orange G
O2 + Malachite green <-> 4-(Dimethylamino)phenol + 4-(Dimethylamino)benzophenone
O2 + Sinapoylcholine <-> 2 H2O + Oxidized donor
O2 + 2 Bilirubin <-> 2 H2O + 2 Biliverdin
O2 + Reactive black 5 <-> 2 H2O + Oxidized reactive black 5
O2 + alpha-Naphthol <-> 2 H2O + Oxidized donor
Small laccase (SLAC) <-> Small laccase (SLAC) (inactive)
External links
Expasy
KEGG
BRENDA
IntEnz (EBI)
IUBMB
Reactome
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1.10.3.2
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