tyrosinase
enzyme
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function
- In transition metal: Biological functions of transition metals
…in a 1:1 ratio; (3) tyrosinases, which catalyze the formation of melanin (brownish-black pigments occurring in hair, skin, and retina of higher animals) and were the first enzymes in which copper was shown to be essential to function.
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melanin synthesis
- In coloration: Melanins
…catalyzed by the copper-containing enzyme tyrosinase. Extractable in very dilute alkali, melanins are also soluble when fresh and undried in very dilute acid solutions; they are bleached by hydrogen peroxide, which is sometimes applied to growing hair to create a blond effect, and by chlorine, chromate, and permanganate.
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