多酚氧化酶，源自菇类CAS : 9002-10-2

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多酚氧化酶，源自菇类CAS : 9002-10-2

货号：zk6516

英文名： Polyphenol Oxidase (Tyrosinase)
级别： Activity ≥500 U/mg dw
储存：冷冻（-20℃）
规格：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.

技术规格：

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.

硫酸粘杆菌素CAS : 1264-72-8

聚丙二醇2000 CAS : 25322-69-4

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