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Merck
CN

G7770

β-Glucuronidase from Helix pomatia

Type HP-2S, aqueous solution, ≥90,000 units/mL

Synonym(s):

β-D-Glucuronide glucuronosohydrolase

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About This Item

CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
MDL number:
Specific activity:
≥90,000 units/mL
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sterility

sterile-filtered

Quality Level

type

Type HP-2S

form

aqueous solution

specific activity

≥90,000 units/mL

secondary activity

≤7,500 units/mL sulfatase

storage temp.

2-8°C

General description

β-Glucuronidase Type H-2 from Helix pomatia is a crude solution of enzymes derived from the Roman snail. Many β-glucuronidases derived from mollusks also contain sulfatase activity.

Application

β-Glucuronidase from Helix pomatia has been used:
  • in the treatment of heparinized plasma sample for the hydrolysis of glucuronic acid-conjugated metabolites
  • in the pre-treatment of plasma sample for the determination of 1′-hydroxymidazolam (1′-OHMDZ)
  • for the treatment of bile samples from rainbow trouts for the hydrolysis of glucuronate and sulfate metabolites
  • in treating the cells from the sporulation media for the complete digestion of the cell walls of asci

β-glucuronidase was used in enzymic hydrolysis of tissue homogenates for liquid chromatography-electrospray ion trap mass spectrometry (LC/MSn) analysis, to study the structures of degradation products of baicalin. It is used as a reporter gene in GUS assays to monitor gene expression.
New Technical Article Comparing Performance of Different Enzymes
Learn more
about recent application data generated by Sigma R&D to optimize hydrolysis for different drug classes using enzymes from different sources and the use of a chromatographicaly purified enzyme to reduce the effect of esterase activity resulting in conversion of 6-MAM to Morphine

Biochem/physiol Actions

β-glucuronidase (β-GIc) is an exoglycosidase that catalyzes the breakdown of complex carbohydrates. In humans it converts conjugated bilirubin into the unconjugated form, making bilirubin suitable for reabsorption.
Used for the hydrolysis of glucuronide conjugates in urinary metabolite analysis

Physical form

Aqueous solution in ~1.0 M ammonium sulfate with 3 mM sodium azide as preservative.

Analysis Note

Many β-glucuronidases derived from mollusks also contain sulfatase activity.

Other Notes

One Sigma or modified Fishman unit will liberate 1.0 μg of phenolphthalein from phenolphthalein glucuronide per hr at 37 °C at pH 5.0 (30 min assay).
Sulfatase Unit Definition: One unit of sulfatase will hydrolyze 1.0 μmole p-nitrocatechol sulfate per hr at pH 5.0 at 37 °C.


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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

10 - Combustible liquids

wgk

WGK 1

Regulatory Information

低风险生物材料

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Protocols

酶促检测罗马蜗牛和牛肝脏来源ß-葡萄糖醛酸酶(EC 3.2.1.31)适用于可检测罗马蜗牛和牛肝脏来源ß-葡萄糖醛酸酶的所有产品。应由经过培训的分析服务实验室人员负责按照书面规定执行此程序。

Enzymatic assay protocol for β-Glucuronidase from Helix Pomatia and Bovine Liver aids laboratory personnel in following procedures.

Articles

β-glucuronidase (GUS) enzymes are utilized to hydrolyze glucuronide (gluc) drug metabolites to the parent drug, facilitating analysis by LC-MS/MS.

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Eap CB, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 652(1), 97-103 (1994)
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Most heritable traits, including many human diseases, are caused by multiple loci. Studies in both humans and model organisms, such as yeast, have failed to detect a large fraction of the loci that underlie such complex traits. A lack of



Global Trade Item Number

SKUGTIN
G7770-25ML04061838255877
G7770-10ML04061838099365
G7770-2ML04061833643167