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Merck
모든 사진(1)

주요 문서

A2264

Sigma-Aldrich

β-N-Acetylglucosaminidase from Canavalia ensiformis (Jack bean)

ammonium sulfate suspension, ≥10 units/mg protein

동의어(들):

β-N-Acetyl-D-hexosaminide N-acetylhexosaminohydrolase, β-N-Acetylhexosaminidase

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About This Item

CAS Number:
EC 번호:
EC Number:
MDL number:
UNSPSC 코드:
12352204
NACRES:
NA.54

생물학적 소스

Canavalia ensiformis

Quality Level

양식

ammonium sulfate suspension

특이 활성도

≥10 units/mg protein

외래 활성

α- and β-galactosidase, and α-L-fucosidase ≤0.1%
α-mannosidase ≤0.2%

저장 온도

2-8°C

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애플리케이션

β -N-acetylglucosaminidase is a lysosomal enzyme used to hydrolyze N-acetyl-β-D-glucosaminides and N-acetyl-β-Dgalactosaminides. It is used in chemoenzymatic synthesis of oligosaccharides based on their effective transglycosylation of β-GlcNAc and β-GalNAcc. It may be a useful tool to study Alzheimer′s Disease . Acetylglucosaminidase from Canavalia ensiformis has been used to study enzymic detachment of biofilms .

생화학적/생리학적 작용

This enzyme, sometimes called β-N-acetylhexosaminidase, is reported to liberate terminal β-linked N-acetylglucosamine and N-acetylgalactosamine from a variety of substrates.
This enzyme, sometimes called β-N-acetylhexosaminidase, is reported to liberate terminal β-linked N-acetylglucosamine and N-acetylgalactosamine from a variety of substrates. The activity of β-N-actylglucosaminidase may be determined with the chromogenic substrate p-nitrophenyl-N-acetyl-β-D-glucosaminide. β-N-actylglucosaminidase hydrolyzes the terminal nonreducing N-acetyl-D-hexosamine residues. This enzyme contains two predominant isozymes, Hex A, a heterodimer, and Hex B, a homodimer. N-acetylglucosamine, acetamide, N-2-acetamido-2-deoyglucosylamine, N-acetylnojirimycin, and N-acetyldeoxynojirmycin are known inhibitors.

단위 정의

One unit will hydrolyze 1.0 μmole of p-nitrophenyl N-acetyl-β-D-glucosaminide to p-nitrophenol and N-acetyl-D-glucosamine per min at pH 5.0 at 25 °C.

물리적 형태

Suspension in 2.5 M (NH4)2SO4, pH 7.0

분석 메모

At pH 4.0, p-nitrophenyl β-N-acetylgalactosaminide is hydrolyzed at approximately 50% of the rate of hydrolysis of p-nitrophenyl β-N-acetylglucosaminide at pH 5.0.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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