N5521
α(2→3,6) Neuraminidase from Clostridium perfringens (C. welchii)
recombinant, expressed in E. coli, buffered aqueous solution, ≥250 units/mg protein
Synonym(s):
Acyl-Neuraminyl Hydrolase, Sialidase
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About This Item
Specific activity:
≥250 units/mg protein
Recombinant:
expressed in E. coli
Quality Level
recombinant
expressed in E. coli
form
buffered aqueous solution
specific activity
≥250 units/mg protein
mol wt
~41 kDa
foreign activity
proteases, none detected
shipped in
wet ice
storage temp.
2-8°C
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Related Categories
Biochem/physiol Actions
Releases α(2→3)- and α(2→6)-linked N-acetylneuraminic acid from complex oligosaccharides.
Packaging
Provided with 5× reaction buffer (250 mM sodium phosphate, pH 6.0).
Physical form
Solution in 20 mM Tris-HCl, pH 7.5, and 25 mM NaCl.
Preparation Note
Expressed in glycosidase-free hosts.
Other Notes
One unit will hydrolyze 1 μmole of 4-methylumbelliferyl α-D-N-acetylneuraminide per min at pH 5.0 at 37 °C
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
12 - Non 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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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
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
Kao-Tan Chen et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 37(20), 3068-3073 (2013-01-15)
To isolate and identify active neuraminidase constituents of Polygonum cuspidatum against influenza A (H1N1) influenza virus. On the basis of the bioassay-guided fractionation,such chromatographic methods as silica gel, sephadex LH-20 and HPLC were adopted to isolate active constituents of extracts
Ramaiah Arunachalam et al.
Interdisciplinary sciences, computational life sciences, 4(4), 282-290 (2013-01-29)
The aim of the present investigation was to discover the genetic relationships of 2009 pandemic novel influenza A/H1N1 virus (NIV) external antigens Hemagglutinin (HA) and Neuraminidase (NA) with other influenza viruses by performing phylogenetic, comparative and statistical analyses. Phylogenetic trees
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