Term Name: tyrosinase activity
Synonyms: catecholase, chlorogenic acid oxidase activity, chlorogenic oxidase activity, cresolase activity, dopa oxidase, L-tyrosine monooxygenase activity, monophenol monooxidase activity, monophenol monooxygenase activity, monophenol oxidase activity, monophenol oxygenase, monophenolase activity, N-acetyl-6-hydroxytryptophan oxidase activity, o-diphenol oxidase activity, o-diphenol oxidoreductase, o-diphenol:O2 oxidoreductase activity, phenol oxidase activity, phenolase activity, prophenol oxidase activity, prophenoloxidase activity, pyrocatechol oxidase, tyrosinase activity, tyrosine-dopa oxidase activity
Definition: Catalysis of the reaction: L-tyrosine + O2 = L-DOPAquinone + H2O. This reaction can use both monophenols (such as tyrosine) and catechols (o-diphenols) as substrates.
Ontology: GO: Molecular Function [GO:0004503]    QuickGO    AmiGO

Relationships
is a type of: oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen
positively regulated by: positive regulation of tyrosinase activity