N7885
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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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-624-6
MDL number:
Specific activity:
1-5 units/mg protein (Lowry, using NAN-lactose)
Servicio técnico
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Permítanos ayudarleQuality Level
type
Type III
form
buffered aqueous solution
specific activity
1-5 units/mg protein (Lowry, using NAN-lactose)
mol wt
83 kDa
application(s)
diagnostic assay manufacturing
foreign activity
Protease and NAN-aldolase, present
storage temp.
2-8°C
General description
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.
Application
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.
Biochem/physiol Actions
Vibrio cholerae neuraminidase has been shown to promote cholera toxin infection by binding the toxin and aiding in its uptake by cells.
Physical form
Aqueous solution, pH 5.5, containing 0.15 M NaCl and 4 mM CaCl2.
Preparation Note
Chromatographically purified.
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.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Clase de almacenamiento
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Contenido relacionado
Instructions
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
J E Galen et al.
Infection and immunity, 60(2), 406-415 (1992-02-01)
Vibrio cholerae neuraminidase (NANase) is hypothesized to act synergistically with cholera toxin (CT) and increase the severity of a secretory response by increasing the binding and penetration of CT to enterocytes. To test this hypothesis, the NANase gene (nanH) from
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