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G7646

Sigma-Aldrich

β-Glucuronidase from Escherichia coli

Type VII-A, lyophilized powder, 5,000,000-20,000,000 units/g protein, pH 6.8 (30 min assay)

Synonym(s):

β-D-Glucuronide glucuronosohydrolase

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About This Item

CAS Number:
9001-45-0
Enzyme Commission number:
3.2.1.31 (BRENDA, IUBMB)
EC Number:
232-606-8
MDL number:
MFCD00130629
UNSPSC Code:
12352204
NACRES:
NA.54

type

Type VII-A

Quality Level

300

form

lyophilized powder

specific activity

5,000,000-20,000,000 units/g protein, pH 6.8 (30 min assay)

mol wt

290 kDa

composition

Protein, ~25% biuret

storage temp.

−20°C

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Application

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
Effective in the hydrolysis of steroid glucuronides.
Used for the hydrolysis of glucuronide conjugates in urinary metabolite analysis

Quality

Contains buffer salts and stabilizer.

Unit Definition

One Sigma or modified Fishman unit will liberate 1.0 μg of phenolphthalein from phenolphthalein glucuronide per hr at 37 °C at the pH 6.8 (30 min assay).

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H317,H334

Precautionary Statements

P261 - P280 - P342 + P311

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Optimized conditions for the emzymatic hydrolysis of a-hydroxytriazolam-glucoronide in human urine.
Tsujikawa, K., et al.
Health Laboratory Science, 40, 286-289 (2004)
Lawrence D Joh et al.
Biotechnology progress, 22(3), 723-730 (2006-06-03)
Extraction and storage of a recombinant protein produced by transient expression following agroinfiltration of lettuce were investigated. Lettuce leaves expressing beta-glucuronidase (GUS) were extracted by homogenization in several buffer combinations, and the yield and stability were assessed. The reducing agent
M Coulet et al.
Journal of veterinary pharmacology and therapeutics, 25(2), 89-97 (2002-05-10)
The pharmacokinetics of ibafloxacin, a new veterinary fluoroquinolone antimicrobial agent, was studied following intravenous (i.v.) and oral administration to healthy dogs. The mean absolute bioavailability of ibafloxacin after oral doses of 7.5, 15 and 30 mg/kg ranged from 69 to
Enzymes
Hans Ulrich Bergmeyer
Methods of Enzymatic Analysis, 460-461 (1974)
H Mita et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 34(8), 1262-1269 (2004-08-10)
Aspirin challenge of aspirin-intolerant asthma (AIA) patients causes a significant increase in leukotriene E4 (LTE4) concentration in urine. However, knowledge on leukotriene B4 (LTB4) generation in patients with AIA is insufficient. Recent research has demonstrated that exogenously administered LTB4 is
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Articles

Evaluation of Different Enzymes on Hydrolysis Efficiencies of Glucuronide Drug Metabolites in Urine

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

Probiotics and Human Health

Probiotics exhibit an inhibitory effect on pathogens, help prevent chronic intestinal inflammatory diseases or atopic syndromes, and support the immune system.

Protocols

Enzymatic Assay of β-Glucuronidase (EC 3.2.1.31) from E. coli

Objective: To standardize a procedure for the enzymatic assay of β-Glucuronidase.

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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