Title : Co-occurrence of the multicopper oxidases tyrosinase and laccase in lichens in sub-order peltigerineae.

Pub. Date : 2006 Nov

PMID : 16950829






1 Functional Relationships(s)
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1 Identification of the enzymes as tyrosinases was confirmed by the ability of lichen thalli or leachates derived by shaking lichens in distilled water to metabolize substrates such as L-dihydroxyphenylalanine (DOPA), tyrosine and epinephrine readily in the absence of hydrogen peroxide, the sensitivity of the enzymes to the inhibitors cyanide, azide and hexylresorcinol, activation by SDS and having typical tyrosinase molecular masses of approx. Hydrogen Peroxide tyrosinase Homo sapiens