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Merck
CN

G7400

Sigma-Aldrich

半乳糖氧化酶 来源于树状指孢霉

lyophilized powder, ≥3,000 units/g solid

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别名:
D-半乳糖:氧-6-氧化还原酶
CAS号:
EC 号:
MDL编号:
UNSPSC代码:
12352204
NACRES:
NA.54

生物来源

fungus (Dactylium dendroides)

质量水平

形式

lyophilized powder

比活

≥3,000 units/g solid

储存温度

−20°C

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一般描述

半乳糖氧化酶是一种细胞外含铜酶,由半知菌真菌 树状指孢霉分泌。它可催化一系列伯醇(包括D-半乳糖)氧化成相应的醛,同时将氧还原成过氧化氢。

应用

半乳糖氧化酶可作为一种分析工具,用于特异性测定血浆、植物提取物和磷脂中的D-半乳糖。它可用于表征几种聚合物中的末端D-半乳糖苷单元。

生化/生理作用

半乳糖氧化酶可催化D-半乳糖向D-半乳糖-己二醛的转化。
2-脱氧-D-半乳糖、乳糖、甘露糖、棉子糖和水苏糖可与过氧化物酶:甲苯胺系统中的半乳糖氧化酶发生反应。
基本上没有观察到D-葡萄糖、L-半乳糖、L-阿拉伯糖或D-葡萄糖醛酸盐的氧化。

单位定义

在pH6.0、25℃条件下,一个单位可在过氧化物酶和邻联甲苯胺系统中每分钟产生δ A425=1.0。反应体积=3.4mL,光路= 1cm。

象形图

Health hazard

警示用语:

Danger

危险声明

预防措施声明

危险分类

Resp. Sens. 1

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

常规特殊物品

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