H4N6 HA (His Tag) recombinant protein

H4N6 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

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

Q9E148

HA

Human Cells

A DNA sequence encoding the N-terminal segment (Met 1-Arg 343) of the influenza A hemagglutinin (A/Swine/Ontario/01911-1/99 (H4N6)) (AAG17429.1), termed as HA1 was expressed, fused with a C-terminal polyhistidine tag.

H4N6

The secreted recombinant influenza A H4N6 HA1 subunit (A/Swine/Ontario/01911-1/99 (H4N6)) comprises 338 amino acids and has a predicted molecular mass of 37.6 kDa. As a result of glycosylation, the apparent molecular mass of the protein is approximately 45-55 kDa in SDS-PAGE under reducing conditions.

> 97 % as determined by SDS-PAGE