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Key Documents

N6514

Sigma-Aldrich

Neuraminidase from Vibrio cholerae

Type II, buffered aqueous solution, 8-24 units/mg protein (Lowry, using NAN-lactose)

Synonyme(s) :

Acyl-neuraminyl Hydrolase, Receptor-destroying enzyme, Sialidase

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About This Item

Numéro CAS:
Numéro de classification (Commission des enzymes):
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Source biologique

Vibrio cholerae

Niveau de qualité

Type

Type II

Forme

buffered aqueous solution

Activité spécifique

8-24 units/mg protein (Lowry, using NAN-lactose)

Activité étrangère

Protease and NAN-aldolase, present

Température de stockage

2-8°C

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Description générale

Calorimetry studies show that the two lectin-like domains flanking the central catalytic domain of Neuraminidase serve as the recognition and binding sites for sialic acid-containing substrates.
Neuraminidase enzymes are hydrolase enzymes that promote influenza virus release from infected cells and facilitate virus spread.

Application

Neuraminidase from Vibrio cholera has been used in a study to describe a five-step purification method. It has also been used in a study to investigate modification of leukemia L1210 tumor cells.
Neurminidase is used as a cell-surface probe for glycoconjugate distribution and in substrate specificity studies.

Qualité

Preservative free.

Définition de l'unité

One unit will liberate 1.0 μmole of N-acetylneuraminic acid per min at pH 5.0 at 37 °C using NAN-lactose or bovine submaxillary mucin, unless otherwise specified. Prices based on units using NAN-lactose as substrate.

Forme physique

Solution in 50 mM sodium acetate, pH 5.5, containing 0.15 M sodium chloride and 4 mM calcium chloride, 0.2 μm filtered..

Notes préparatoires

A further purification by affinity chromatography of our Type III.

Pictogrammes

Health hazard

Mention d'avertissement

Danger

Mentions de danger

Conseils de prudence

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

S Crennell et al.
Structure (London, England : 1993), 2(6), 535-544 (1994-06-15)
Vibrio cholerae neuraminidase is part of a mucinase complex which may function in pathogenesis by degrading the mucin layer of the gastrointestinal tract. The neuraminidase, which has been the target of extensive inhibitor studies, plays a subtle role in the
Purification and Properties of Neuraminidase from Vibrio cholera
Ada, G., et al.
Microbiology, 24, 409-421 (1961)
Increase of leukemia L1210 immunogenicity by Vibrio cholerae neuraminidase treatment.
J G Bekesi et al.
Cancer research, 31(12), 2130-2132 (1971-12-01)
Thomas P Peacock et al.
Emerging microbes & infections, 7(1), 176-176 (2018-11-08)
Avian influenza A(H9N2) viruses are an increasing threat to global poultry production and, through zoonotic infection, to human health where they are considered viruses with pandemic potential. Vaccination of poultry is a key element of disease control in endemic countries
Paul Clark et al.
Viruses, 12(10) (2020-10-24)
Polyomaviruses are small, non-enveloped DNA tumor viruses that cause serious disease in immunosuppressed people, including progressive multifocal leukoencephalopathy (PML) in patients infected with JC polyomavirus, but the molecular events mediating polyomavirus entry are poorly understood. Through genetic knockdown approaches, we

Protocoles

Enzymatic Assay of Neuraminidase

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