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Merck
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G8132

Sigma-Aldrich

β-葡萄糖醛酸酶 来源于帽贝 (Patella vulgata)

Type L-II, lyophilized powder, 1,000,000-3,000,000 units/g solid

别名:

β-D-葡萄糖苷酸葡萄糖醛酸水解酶

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About This Item

CAS号:
9001-45-0
EC 号:
3.2.1.31 (BRENDA, IUBMB)
EC號碼:
232-606-8
MDL號碼:
MFCD00130629
分類程式碼代碼:
12352204
NACRES:
NA.54

生物源

limpet (Patella vulgata)

品質等級

300

種類

Type L-II

形狀

lyophilized powder

比活性

1,000,000-3,000,000 units/g solid

運輸包裝

wet ice

儲存溫度

−20°C

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應用

已证明β-L-II 型葡糖醛酸酶是尿液中药物葡糖醛酸苷水解的优越酶。
比较不同酶性能的新技术文章
了解更多关于 Sigma R&D 生成的最新应用数据 使用不同来源的酶优化不同药物类别的水解，并使用色谱纯化酶降低酯酶活性的影响，导致 6-MAM 转化为吗啡
据报道，来自欧洲帽贝的酶比来自盖罩大蜗牛、牛肝脏和大肠杆菌的酶能更有效地水解阿片肽-葡糖苷酸

生化／生理作用

β-葡萄糖醛酸酶（β-GIc）是一种外切糖苷酶，催化复合碳水化合物的分解。在人体内可将结合胆红素转化为非结合形式，使胆红素适于重吸收。使用从 Patella vulgate 获得的 ß-葡糖苷酸酶将 3-β-D 葡糖苷酸转化为吗啡。

品質

含有被 0.1 M 磷酸盐抑制的硫酸酯酶活性。

單位定義

在37℃，pH 3.8（30分钟检测）条件下，一个Sigma或改良的Fishman单位可每小时从酚酞葡糖苷酸中释放1.0 μg酚酞。

象形圖

Health hazard
GHS08

訊號詞

Danger

危險聲明

H317,H334

危險分類

Resp. Sens. 1 - Skin Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

分析证书(COA)

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Robert West et al.
Pain physician, 13(1), 71-78 (2010-02-02)
Physicians determine patient compliance with their medications by use of urine drug testing. It is known that measurement of benzodiazepines is limited by immunoassay specificity and cutoff limits and therefore does not offer physicians an accurate picture of their patients'
Vectors with the gus reporter gene for identifying and quantitating promoter regions in <I>Saccharomyces cerevisiae</I>
S.V. Marathe &amp; J.E. McEwen
Gene, 154, 105-107 (1994)
J Combie et al.
Clinical chemistry, 28(1), 83-86 (1982-01-01)
beta-Glucuronidase from Patella vulgata, Helix aspersa, Helix pomatia, and bovine liver were evaluated for usefulness in routine hydrolysis of drug-glucuronic acid conjugates from equine urine samples. Factors affecting the reaction rate (enzyme concentration, ligand concentration, temperature, and pH) were optimized.
J D McCarter et al.
Current opinion in structural biology, 4(6), 885-892 (1994-12-01)
The determination of a large number of three-dimensional structures of glycosidases, both free and in complex with ligands, has provided valuable new insights into glycosidase catalysis, especially when coupled with results from studies of specifically labelled glycosidases and kinetic analyses
S Feng et al.
Journal of analytical toxicology, 25(7), 589-593 (2001-10-16)
Buprenorphine, which is a powerful analgesic, a substitution drug for opioids widely used in Europe, and a promising new drug currently undergoing clinical trials in the treatment of opioid dependence in the U.S., is excreted in human urine mainly as
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使用UHPLC/MS（TOF）检测不同酶水解条件处理的尿液中药物和代谢物

为了使用β-葡糖醛酸酶优化水解，必须对每种待分析的葡糖苷酸代谢物进行某些因素的评估，例如孵育时间、温度、水解pH、酶源和酶浓度。

UHPLC/MS for Drug Detection in Urine

Optimize β-glucuronidase hydrolysis for glucuronide metabolite analysis considering factors like time, temperature, pH, and enzyme concentration.

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