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G0535

Sigma-Aldrich

Glycopeptidase A from almonds

buffered aqueous glycerol solution, ≥0.05 unit/mL

Sinonimo/i:

N-Glycosidase A, N-linked-glycopeptide-(N-acetyl-β-D-glucosaminyl)-L-asparagine amidohydrolase, PNGase A

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About This Item

Numero CAS:
83534-39-8
Classificazione EC (Enzyme Commission):
3.5.1.52 (BRENDA, IUBMB)
Numero MDL:
MFCD00131222
Codice UNSPSC:
12352204
NACRES:
NA.32

Coniugato

(N-linked)

Livello qualitativo

200

Forma fisica

buffered aqueous glycerol solution

Concentrazione

≥0.05 unit/mL

Temperatura di conservazione

−20°C

Categorie correlate

Descrizione generale

Glycopeptidase found in almonds can be divided into three groups- A, B and C. the optimum pH value and the isoelectric point of glycopeptidase A is 6.0 and 7.7 respectively. It has a preference for glycopeptides with long chains. It is also capable of hydrolyzing intact glycoproteins such as, desialyted human transferrin, ovalbumin etc. These proteins cleave glycoproteins with asialocarbohydrate moieties at their β-aspartyl-glucosylamine linkages.

Applicazioni

Glycopeptidase A from almonds is used for deglycosylation. It catalyzes the removal of N-linked oligosaccharide chains and converts Asn residue to Asp.

Azioni biochim/fisiol

Hydrolyzes an N4-(acetyl-β-D-glycosaminyl)asparagine in which the N-acetyl-D-glucosamine residue may be further glycosylated, yielding a (substituted) N-acetyl-β-D-glucoaminylamine and the peptide containing an aspartic residue.

Definizione di unità

One unit will hydrolyze 1.0 μmole of ovalbumin glycopeptide per min at pH 5.0 at 37°C.

Stato fisico

Solution in 50% glycerol containing 50 mM citrate-phosphate buffer, pH 5.0, and BSA.

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

No data available

Punto d’infiammabilità (°C)

No data available

Certificati d'analisi (COA)

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T Takahashi et al.
Biochimica et biophysica acta, 657(2), 457-467 (1981-02-13)
The glycopeptidase preparation that has been isolated from almond emulsin and acts on beta-aspartylglycosylamine linkages in glycopeptides was separated into three active fractions by DEAE-cellulose column chromatography. The three discrete species of glycopeptidase (Groups A, B and C) have been
Asparagine-linked oligosaccharides in human placenta and umbilical cord as demonstrated by almond glycopeptidase.
N Takahashi et al.
FEBS letters, 146(1), 139-142 (1982-09-06)
R P Miller et al.
Biochimica et biophysica acta, 954(1), 50-57 (1988-04-28)
The beta-subunit of dog kidney (Na+ + K+)-ATPase is a sialoglycoprotein and contains three potential N-glycosylation sites. In this study, the oligosaccharide chains of purified dog kidney beta-subunit were labeled with tritium by oxidation with sodium periodate or galactose oxidase
Karen G Welinder et al.
The Journal of biological chemistry, 284(15), 9764-9769 (2009-02-13)
Proteome data of potato (Solanum tuberosum) tuber juice and of purified potato tuber vacuoles indicated that mature patatins may perhaps lack a C-terminal propeptide. We have confirmed this by complete mass spectrometric sequencing of a number of patatin variants as
Hui Zhou et al.
Analytical biochemistry, 427(1), 33-35 (2012-04-21)
Common de-N-glycosylation protocols usually require a lengthy incubation time. Although pressure cycling technology or scientific microwave reactors can accelerate this enzyme reaction, they may not be easily accessible. In this brief report, we employed an alternative strategy using a standard
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