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N5521

Sigma-Aldrich

α(2→3,6) Neuraminidase from Clostridium perfringens (C. welchii)

recombinant, expressed in E. coli, buffered aqueous solution, ≥250 units/mg protein

Synonyme(s) :

Acyl-Neuraminyl Hydrolase, Sialidase

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About This Item

Numéro de classification (Commission des enzymes):
3.2.1.18 (BRENDA, IUBMB)
Numéro MDL:
MFCD01092201
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.32

Produit recombinant

expressed in E. coli

Niveau de qualité

200

Forme

buffered aqueous solution

Activité spécifique

≥250 units/mg protein

Poids mol.

~41 kDa

Activité étrangère

proteases, none detected

Conditions d'expédition

wet ice

Température de stockage

2-8°C

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Actions biochimiques/physiologiques

Releases α(2→3)- and α(2→6)-linked N-acetylneuraminic acid from complex oligosaccharides.

Conditionnement

Provided with 5× reaction buffer (250 mM sodium phosphate, pH 6.0).

Définition de l'unité

One unit will hydrolyze 1 μmole of 4-methylumbelliferyl α-D-N-acetylneuraminide per min at pH 5.0 at 37 °C

Forme physique

Solution in 20 mM Tris-HCl, pH 7.5, and 25 mM NaCl.

Notes préparatoires

Expressed in glycosidase-free hosts.

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H334

Conseils de prudence

P261 - P284 - P501

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

12 - Non 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)

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Rodolfo Ocadiz-Delgado et al.
BMC infectious diseases, 13, 20-20 (2013-01-19)
In April 2009, public health surveillance detected an increased number of influenza-like illnesses in Mexico City's hospitals. The etiological agent was subsequently determined to be a spread of a worldwide novel influenza A (H1N1) triple reassortant. The purpose of the
Charles R Beck et al.
Influenza and other respiratory viruses, 7 Suppl 1, 14-24 (2013-02-12)
The objectives of this study were to: (1) reflect on key stages in the discovery, development and pre-pandemic use of neuraminidase inhibitors (NAIs), (2) summarise the evidence of NAI effectiveness for treatment and prophylaxis of seasonal influenza prior to the
Weijia Wang et al.
Journal of virology, 87(8), 4642-4649 (2013-02-15)
In 2009, we successfully produced a high-yield live attenuated H1N1pdm A/California/7/2009 vaccine (CA/09 LAIV) by substitution of three residues (K119E, A186D, and D222G) in the hemagglutinin (HA) protein. Since then, we have generated and evaluated additional H1N1pdm vaccine candidates from
S Bhatt et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 368(1614), 20120382-20120382 (2013-02-06)
Few questions on infectious disease are more important than understanding how and why avian influenza A viruses successfully emerge in mammalian populations, yet little is known about the rate and nature of the virus' genetic adaptation in new hosts. Here
Daniela A Bermejo et al.
Nature immunology, 14(5), 514-522 (2013-04-09)
Here we identified B cells as a major source of rapid, innate-like production of interleukin 17 (IL-17) in vivo in response to infection with Trypanosoma cruzi. IL-17(+) B cells had a plasmablast phenotype, outnumbered cells of the TH17 subset of
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