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    多酚氧化酶,源自菇類CAS : 9002-10-2
    多酚氧化酶,源自菇類CAS : 9002-10-2
    多酚氧化酶,源自菇類CAS : 9002-10-2

    多酚氧化酶,源自菇類CAS : 9002-10-2

     詳情說明

    多酚氧化酶,源自菇類CAS : 9002-10-2

    貨號:zk6516

    英文名: Polyphenol Oxidase (Tyrosinase)
    級別: Activity ≥500 U/mg dw
    儲存: 冷凍(-20℃)
    規(guī)格:25KU  100KU  500KU

    概述:

    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.

    技術(shù)規(guī)格:

    Source Mushrooms (Agaricus bisporus)
    Description A lyophilized powder. Store at -20°C.
    Storage Store at -20°C
    REQUIRES SPECIAL SHIPPING ICE Pack
    Activity ≥500 units per mg dry weight
    Unit Definition One unit causes an increase in the absorbance at 280 nm of 0.001 per minute at 25°C, pH 6.5, using L-tyrosine as substrate.

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