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  • 胺氧化酶
产品名称:

胺氧化酶

产品品牌: 价格:
厂商性质: 生产厂家 产品时间: 2024-04-09
一种活性蛋白。其主要作用是将氨基酸等形成的各种胺进一步氧化还原。适pH7.0(乙胺)、低于或等于60℃时该酶稳定,KM(乙胺)为0.088毫摩/升。受羰基试剂(氨基脲、羟胺、肼)等的抑制。对多胺、二级胺和四级胺没有活性。经纯化的酶为二聚体,相对分子质量均为8l 000。町缓慢氧化酪胺、组胺和其他二胺,在茶叶中与氮化合物代谢有关。

产品概述

[产品名称]胺氧化酶
[规格]BR,17Tabor u/mg
[包装]600U

英文名称:PAO;Plasma Amine Oxidase

:BR

来源:Bovine Plasma

Specific activity:17Tabor units/mg

活力定义:1 international unit oxidizes 1µmole of benzylamine per minute at 25℃, pH 7.2

催化反应:

产品描述:Bovine plasma amine oxidase has a molecular weight of 170 kDa and an optimum pH of 6.2 for spermine and 7.2 for spermidine. Amine oxidases are divided into two classes: the pyridoxal and copper containing enzyme to which plasma amine oxidase belongs, and the FAD-containing amino oxidases. Natural substrates include catecholamines, tryptamine derivatives and other physiologically active amines. Plasma amine oxidase is used in research requiring nitrogen group transfers. The molecule is composed of two identical polypeptide chains. There are two pyridoxal phosphates and two atoms of Cu+ per molecule. Bovine plasma amine oxidase is inhibited by copper chelating agents, many carboxyl reagents such as cuprizone, hydroxylamine and cyanide. Benzoic acid and benzyl alcohol are both non-competitive inhibitors (KI = 30 and 34mM respectively). The assay for determination of amine oxidases employed at Worthington is essentially that of Tabor et al., JBC, 208, 645, (1954) with the reaction temperature reduced to 25℃

性状(以下信息仅供参考):粉末。EC3.1.1.4

用途:本品仅供科研,不得用于其它用途

保存:-20℃

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