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Merck
CN

N6514

Neuraminidase from Vibrio cholerae

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

Synonym(s):

Acyl-neuraminyl Hydrolase, Receptor-destroying enzyme, Sialidase

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About This Item

CAS Number:
EC Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
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biological source

Vibrio cholerae

Quality Level

type

Type II

form

buffered aqueous solution

specific activity

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

foreign activity

Protease and NAN-aldolase, present

storage temp.

2-8°C

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General description

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.

Physical form

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

Preparation Note

A further purification by affinity chromatography of our Type III.

Analysis Note

Preservative free.

Other Notes

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.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

常规特殊物品
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Ibrahim Moustafa et al.
The Journal of biological chemistry, 279(39), 40819-40826 (2004-07-01)
Vibrio cholerae neuraminidase (VCNA) plays a significant role in the pathogenesis of cholera by removing sialic acid from higher order gangliosides to unmask GM1, the receptor for cholera toxin. We previously showed that the structure of VCNA is composed of
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
Increase of leukemia L1210 immunogenicity by Vibrio cholerae neuraminidase treatment.
J G Bekesi et al.
Cancer research, 31(12), 2130-2132 (1971-12-01)
Nicolas Burin des Roziers et al.
Transfusion, 55(6 Pt 2), 1563-1571 (2015-01-06)
Pneumococcal hemolytic uremic syndrome (P-HUS) is a rare but severe complication of invasive pneumococcal disease (IPD) in young children. Consensual biologic diagnosis criteria are currently lacking. A prospective study was conducted on 10 children with culture-confirmed IPD. Five presented with
Purification and Properties of Neuraminidase from Vibrio cholera
Ada, G., et al.
Microbiology, 24, 409-421 (1961)

Articles

Understand sialic acid structure, function, signaling, and modifications. Easily find products for sialic acid research.

Protocols

Enzymatic Assay of Neuraminidase applies to products that have a specification for neuraminidase content by enzymatic determination.

在测定神经氨酸酶活性时,使用了一种以N-乙酰新胺酸为酶底物的比色法进行测定。神经氨酸酶是一种可促进流感病毒从感染细胞中释放的水解酶。

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