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Merck
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94281

Sigma-Aldrich

尿素酶 来源于洋刀豆 (刀豆)

powder, white, ~8 U/mg

同義詞:

Jack bean urease, Urea amidohydrolase

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About This Item

CAS號碼:
酶委員會編號:
EC號碼:
MDL號碼:
分類程式碼代碼:
12352204
eCl@ss:
32160410
NACRES:
NA.54

生物源

Canavalia ensiformis

形狀

powder

比活性

~8 U/mg

分子量

Mr ~480000

顏色

white

儲存溫度

−20°C

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相關類別

一般說明

亚基分子量:约 90,770
由六个亚基组成,总分子量:约 544620
脲酶(Ure)存在于胞质溶胶中。它在酸性pH值下具有活性。脲酶存在于古细菌、细菌、单细胞真核生物和植物中。

應用

来自直生刀豆的脲酶可用于各种样品的尿素测定,例如豆类。 它可用于检测病原体以及重金属离子。

生化/生理作用

脲酶催化尿素水解成二氧化碳和氨。 脲酶参与氮代谢和尿素降解。 来自直生刀豆的脲酶每个亚基结合2个镍离子

單位定義

1U对应于在pH 8.0和25℃下每分钟水解1 μmol尿素(目录号51459)所需的酶量

象形圖

Health hazardExclamation mark

訊號詞

Danger

危險分類

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


分析證明 (COA)

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