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72197

Sigma-Aldrich

Neuraminidase from Vibrio cholerae

≥1.5 U/mL, specific activity ≥ 1.5U/mg protein

Synonym(s):

Acyl-neuraminyl Hydrolase, Receptor-destroying enzyme, Sialidase

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

Vibrio cholerae

form

liquid

specific activity

≥1.5 U/mg protein

concentration

≥1.5 U/mL

density

1.00 g/mL at 20 °C

storage temp.

2-8°C

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Application

Neurminidase is used as a cell-surface probe for glycoconjugate distribution and in substrate specificity studies.

Unit Definition

1 U corresponds to the amount of enzyme which releases 1 μmol N-acetylneuraminic acid per minute at pH 4.5 and 37 °C (Neu5Acα(2-3,6)Galβ(1-4)Glc as substrate)

Other Notes

As a cell-surface probe of glycoconjugate distribution; Substrate specificity studies

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A K Shukla et al.
Analytical biochemistry, 158(1), 158-164 (1986-10-01)
A rapid and sensitive assay by high-performance liquid chromatography for determination of the activity and substrate specificity of sialidase (EC 3.2.1.18) and N-acetylneuraminate lyase (EC 4.1.3.3) is described. Sialic acids were separated on a strong anion-exchange resin using 0.75 mM
Bo Ram Kim et al.
Journal of enzyme inhibition and medicinal chemistry, 33(1), 1256-1265 (2018-08-22)
Sialidases are key virulence factors that remove sialic acid from the host cell surface glycan, unmasking receptors that facilitate bacterial adherence and colonisation. In this study, we developed potential agents for treating bacterial infections caused by Streptococcus pneumoniae Nan A
S W Whiteheart et al.
Analytical biochemistry, 163(1), 123-135 (1987-05-15)
Rat liver beta-galactoside alpha-2,6-sialyltransferase and Vibrio cholerae sialidase were used, in conjunction with CMP-N-acetyl-[3H]neuraminic acid, to probe the glycoconjugate distribution, sialylation state, and level of penultimate Gal beta 1-4GlcNAc residues on the surfaces of murine thymic lymphocytes. We report a
Andrew T Pavia
Infectious disease clinics of North America, 27(1), 157-175 (2013-02-13)
Respiratory viruses have long been appreciated as a cause of community acquired pneumonia (CAP), particularly among children, people with serious medical comorbidities, and military recruits. They are increasingly recognized as a cause of CAP among adults. Polymerase chain reaction-based testing
Quanjiao Chen et al.
PloS one, 8(1), e54334-e54334 (2013-01-26)
Two surface glycoproteins of influenza virus, haemagglutinin (HA) and neuraminidase (NA), play opposite roles in terms of their interaction with host sialic acid receptors. HA attaches to sialic acid on host cell surface receptors to initiate virus infection while NA

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