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Merck

94281

Sigma-Aldrich

尿素酶 来源于洋刀豆 (刀豆)

powder, white, ~8 U/mg

别名:

Jack bean urease, Urea amidohydrolase

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About This Item

CAS号:
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

品質等級

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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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


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Isothermal titration calorimetry to characterize enzymatic reactions
Test, 567, 215-236 (2016)
Yersinia enterocolitica
Molecular Medical Microbiology, 1319-1344 (2015)
Alfonso Muñoz et al.
Journal of experimental botany, 62(1), 307-318 (2010-09-04)
Ureidoglycolate is an intermediate in the degradation of the ureides, allantoin and allantoate, found in many organisms. In some leguminous plant species these compounds are used to transport recently fixed nitrogen in the root nodules to the aerial parts of
Nucleic acids research, 40(Database issue), D71-D75 (2011-11-22)
The mission of UniProt is to support biological research by providing a freely accessible, stable, comprehensive, fully classified, richly and accurately annotated protein sequence knowledgebase, with extensive cross-references and querying interfaces. UniProt is comprised of four major components, each optimized
Nizam Uddin et al.
Fitoterapia, 84, 202-207 (2012-10-30)
Seven constituents were isolated from the stems of Lawsonia alba Lam., following an activity-guided isolation, which include two new constituents, namely lawsorosemarinol (1) and lawsofructose (2), one known compound 2-(β-d-glucopyranosyloxy)-1, 4-naphthoquinone (3) and four compounds, 4-hydroxy coumarine (4), 3-(4-hyroxyphenyl)-triacontyl-(Z)-propenoate (5)

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