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4-Nitrophenyl-α-D-glucuronide

4-Nitrophenyl-alpha-D-glucuronide O-PNPAGA
Product code: O-PNPAGA
€170.00

25 mg

Prices exclude VAT

Available for shipping

Content: 25 mg
Shipping Temperature: Ambient
Storage Temperature: Below -10oC
Physical Form: Solid
Stability: > 5 years under recommended storage conditions
CAS Number: 71484-85-0
Molecular Formula: C12H13NO9
Molecular Weight: 315.2
Purity: > 95%
Substrate For (Enzyme): α-Glucuronidase
Assay Format: Spectrophotometer, Microplate, Auto-analyser
Detection Method: Absorbance
Wavelength (nm): 400-420

High purity 4-Nitrophenyl-α-D-glucuronide for use in research, biochemical enzyme assays and in vitro diagnostic analysis. This is a colourimetric substrate for the measurement of α-glucuronidase activity.

Documents
Certificate of Analysis
Safety Data Sheet
Booklet
Publications
Publication
A thermostable non-xylanolytic alpha-glucuronidase of Thermotoga maritima MSB8.

Suresh, C., Kitaoka, M. & Hayashi, K. (2003). Bioscience, Biotechnology, and Biochemistry, 67(11), 2359-2364.

A putative α-glucosidase belonging to glycosyl hydrolase family 4 of Thermotoga maritima (TM0752) was expressed in Escherichia coli and it was found that the recombinant protein (Agu4B) was a p-nitrophenyl α-D-glucuronopyranoside hydrolyzing α-glucuronidase, not α-glucosidase. It did not hydrolyze 4-O-methyl-D-glucuronoxylan or its fragment oligosaccharides. Agu4B was thermostable with an optimum temperature of 80°C. It strictly required Mn2+ and thiol compounds for its activity. The presence of NAD+ slightly activated the enzyme. The amino acid sequence of Agu4B showed higher identity with Agu4A (another α-glucuronidase of T. maritima, 61%) than with AglA (α-glucosidase of T. maritima, 48%).

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Publication
Substrate specificity of α-glucuronidase isolated from snail acetone powder.

Kawabata, Y., Kuno, A., Gama, Y. & Kusakabe, I. (1996). Bioscience, Biotechnology, and Biochemistry, 60(3), 524-525.

The substrate specificity of a p-nitrophenyl α-D-glucopyranosyl-uronic acid-hydrolyzing enzyme (PNP-GAase) isolated from snail acetone powder has been investigated with various substrates, such as P-nitrophenyl α-D-glucopyranosyluronic acid (PNP-GA), 2-O-α-D-glucopyranosyluronic acid-D-xylose (GA-2X), 2-O-(4-O-methyl-α-D-glucopyranosyluronic acid)-D-xylose (MeGA-2X), and O-α-D-glucopyranosyluronic acid-α-D-glucopyranosiduronic acid (GA-GA). The Km (mM) and Vmax (µmol of glucuronic acid formed/mg of enzyme protein/min) toward these substrates were as follows; 0.13 and 3.21 for PNP-GA, 0.33 and 0.089 for GA-2X, 17.6 and 0.094 for MeGA-2X, and 0.36 and 0.015 for GA-GA, respectively. The results indicate that the PNP-GAase specifically hydrolyzed PNP-GA, however, the enzyme had broad substrate specificity.

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Publication
The relationship between glucuronidase and galacturonidase activity in the limpet and in mammalian tissues.

Marsh, C. A. & Levvy, G. A. (1958). Biochemical Journal, 68(4), 610-617.

In the first systematic study of the enzyme β-glucuronidase, Masamune showed that oxkidney preparations did not hydrolyse (-)-menthyl α-D-glucuronide, and this compound was also not hydrolysed by mouse-liver β-glucuronidase and by a snail preparation rich in β-glucuronidase and in other simple glycosidases. Nevertheless, although it is not so ubiquitous as the β-glucuronide residue, there is evidence for a naturally occurring α-conjugated glucuronic acid, for example in wheat straw. It has been inferred that uridine diphosphoglucuronic acid also has the α-configuration.

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Safety Information
Symbol : Not Applicable
Signal Word : Not Applicable
Hazard Statements : Not Applicable
Precautionary Statements : Not Applicable
Safety Data Sheet
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