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N7885

Sigma-Aldrich

Neuraminidase from Vibrio cholerae

Type III, buffered aqueous solution, 0.2 μm filtered, 1-5 units/mg protein (Lowry, using NAN-lactose)

Sinónimos:

Acyl-neuraminyl Hydrolase, Receptor-destroying enzyme, Sialidase

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About This Item

Número de CAS:
9001-67-6
Comisión internacional de enzimas:
3.2.1.18 (BRENDA, IUBMB)
Número CE:
232-624-6
Número MDL:
MFCD00131711
Código UNSPSC:
12352204
NACRES:
NA.54

Nivel de calidad

300

tpo

Type III

Formulario

buffered aqueous solution

actividad específica

1-5 units/mg protein (Lowry, using NAN-lactose)

mol peso

83 kDa

aplicaciones

diagnostic assay manufacturing

actividad extraña

Protease and NAN-aldolase, present

temp. de almacenamiento

2-8°C

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Descripción general

Neuraminidase enzymes are glycoside hydrolase enzymes that catalyze hydrolysis of terminal sialic acid residues. The most well-known are the viral nearamidases, which promote influenza virus release.

Aplicación

Neuraminidase from Vibrio cholerae has been used in a study to assess its role in the binding and uptake of cholera toxin by susceptible cells. It has also been used in a study to investigate the preparation of a sodium substrate and its use in a fluorometric assay of neuraminidase.
Neurminidase is used as a cell-surface probe for glycoconjugate distribution and in substrate specificity studies.

Acciones bioquímicas o fisiológicas

Vibrio cholerae neuraminidase has been shown to promote cholera toxin infection by binding the toxin and aiding in its uptake by cells.

Calidad

Preservative free.

Definición de unidad

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.

Forma física

Aqueous solution, pH 5.5, containing 0.15 M NaCl and 4 mM CaCl2.

Nota de preparación

Chromatographically purified.

sustrato

Referencia del producto
Descripción
Precios

Pictogramas

Health hazard
GHS08

Palabra de señalización

Danger

Frases de peligro

H334

Consejos de prudencia

P261 - P284 - P501

Clasificaciones de peligro

Resp. Sens. 1

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000408790
0000408790
0000302547
0000167386
0000232683

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P C Reading et al.
Journal of virology, 74(11), 5190-5197 (2000-05-09)
Influenza viruses A/PR/8/34 (PR8; H1N1), A/Aichi/68 X-31 (HKx31; H3N2), and A/Beijing/89 X-109 (BJx109; H3N2) show marked differences in their ability to infect murine macrophages, including resident alveolar and peritoneal macrophages as well as the macrophage-derived cell line J774. The hierarchy
Jai Woong Seo et al.
Nature communications, 11(1), 2102-2102 (2020-05-02)
Adeno-associated viruses (AAVs) are typically single-stranded deoxyribonucleic acid (ssDNA) encapsulated within 25-nm protein capsids. Recently, tissue-specific AAV capsids (e.g. PHP.eB) have been shown to enhance brain delivery in rodents via the LY6A receptor on brain endothelial cells. Here, we create
Fluorometric assay of neuraminidase with a sodium (4-methylumbelliferyl-alpha-D-N-acetylneuraminate) substrate.
M Potier et al.
Analytical biochemistry, 94(2), 287-296 (1979-04-15)
Paola Rota et al.
Organic & biomolecular chemistry, 10(14), 2885-2894 (2012-03-08)
A simple protocol for the synthesis of N-perfluoroacylated and N-acylated glycals of neuraminic acid, with a secondary cyclic amine (morpholine or piperidine) at the 4α position, has been set-up, starting from peracetylated N-acetylneuraminic acid methyl ester that undergoes, sequentially to
L Patrick Havlik et al.
Journal of virology, 95(19), e0058721-e0058721 (2021-07-08)
Adeno-associated viruses utilize different glycans and the AAV receptor (AAVR) for cellular attachment and entry. Directed evolution has yielded new AAV variants; however, structure-function correlates underlying their improved transduction are generally overlooked. Here, we report that infectious cycling of structurally
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Protocolos

Enzymatic Assay of Neuraminidase

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

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