H5N3 HA (His Tag) recombinant protein

H5N3 HA (His Tag) recombinant protein

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Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore.

Hemagglutinin

RASH1; AF093576; HRAS1; IHJ; AI451697; NMF4; P21RAS; SPH; C-H-RAS; C-HA-RAS1; SPNA1; HA; CTLO; C-BAS/HAS; SPNA-1; HAMSV; H-RASIDX

B1AHS0

HA

Human Cells

A DNA sequence encoding the extracellular domain (Met 1-Gln 527) of the influenza A H5N3 Hemagglutinin (A/duck/Hokkaido/167/2007) (BAG07130.2), was expressed, fused with a polyhistidine tag at the C-terminus.

H5N3

The secreted recombinant influenza A H5N3 HA (A/duck/Hokkaido/167/2007 (H5N3)) comprises 522 amino acids and has a predicted molecular mass of 59 kDa. As a result of glycosylation, it migrates as an approximately 60-70 kDa band in SDS-PAGE under reducing conditions.

> 97 % as determined by SDS-PAGE

Measured by its ability to agglutinate human red blood cells.
HA titer is 4-20 μg/mL for 1% HRBC.