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G8295

Sigma-Aldrich

β-Glucuronidase from Escherichia coli

≥10,000,000 units/g protein (30 min assay), recombinant, expressed in E. coli overproducing strain, lyophilized powder

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

recombinant

expressed in E. coli overproducing strain

Quality Level

300

form

lyophilized powder

specific activity

≥10,000,000 units/g protein (30 min assay)

mol wt

~290 kDa

composition

protein, 40-60% 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

signalword

Danger

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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Enzymes
Methods of Enzymatic Analysis, 2, 460-461 (1974)
Ling Xiao et al.
RSC advances, 10(39), 22966-22971 (2020-06-16)
UDP-glucuronosyltransferases (UGTs) and β-glucuronidase (GUS) catalyze entirely distinct metabolism reactions. UGTs are responsible for the glucuronidation of a variety of drugs, endogenous and environmental chemicals, whereas GUS hydrolyzes glucuronides and liberates the parent substrates. Information on the overlap of ligand
Optimized conditions for the emzymatic hydrolysis of a-hydroxytriazolam-glucoronide in human urine.
Tsujikawa, K., et al.
Health Laboratory Science, 50, 286-289 (2004)
Pascale Fança-Berthon et al.
The Journal of nutrition, 151(7), 1802-1816 (2021-04-21)
Curcuminoids from turmeric rhizome have significant health benefits but low bioavailability. To assess the pharmacokinetics of a novel natural turmeric dried colloidal suspension compared with 4 other turmeric formulations (including a standardized extract) at their respective recommended dosages. Thirty healthy men
V Graef et al.
Clinical chemistry, 23(3), 532-535 (1977-03-01)
We determined the enzymic activity of beta-glucuronidase preparations from bovine liver, Helix pomatia, and Escherischia coli with steroid glucuronides and nonsteroid glucuronides as substrates. We also studied the effect of Na2SO4 on the enzymic hydrolysis of several substrates with the
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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

Today, diverse studies report the benefits of probiotics, such as inhibitory effects on pathogens, aid in the management or prevention of chronic intestinal inflammatory diseases or atopic syndromes, and support to the immune system. Potential beneficial applications abound, researchers continue to evaluate the effictiveness and clarify the mechanisms of action of probiotics.

Protocols

Using UHPLC/MS (TOF) for Detection of Drugs and Metabolites in Urine Following Optimized Enzymatic Hydrolysis Conditions

To optimize hydrolysis using β-glucuronidase, factors such as incubation time, temperature, hydrolysis pH, enzyme source, and enzyme concentration must be evaluated for each glucuronide metabolite to be analyzed.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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