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别名
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多酚氧化酶;Polyphenol Oxidase;Catechol Oxidase;Monophenol Monooxygenase;Monophenol;dihydroxyphenylalanine:oxygen oxidoreductase
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产品介绍
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Polyphenol oxidase (tyrosinase) is a bifunctional, copper-containing oxidase having catecholase and cresolase activity. It is responsible for browning reactions through the phylogenetic scale. The enzyme has a molecular weight of 128 kDa. It is a tetramer containing four atoms of copper per molecule and two binding sites for aromatic compounds including phenolic substrates. There is a distinct binding site for oxygen. The optimum pH range is 6-7.
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用途
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Tyrosinase activity has been assessed in a study that developed an alternative therapeutic agent for treating hyperpigmentation. Tyrosinase has also been used in a study to investigate the oculocutaneous albinism phenotype in the Pakistani population.
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生化机理
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Converts tyrosine to L-DOPA or tyramine to dopamine.
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备注
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A lyophilized powder. Store at -20°C. Requires special shipping: Ice Pack.
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