H5N1 HA (His Tag) recombinant protein
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.
Protein short names
HRAS1; P21RAS; AI451697; IHJ; NMF4; AF093576; RASH1; SPNA-1; C-BAS/HAS; H-RASIDX; HAMSV; SPNA1; C-HA-RAS1; SPH; C-H-RAS; CTLO; HA
A DNA sequence encoding the N-terminal segment (Met 1-Arg 340) of the influenza hemagglutinin (A/Xinjiang/1/2006 (H5N1)) (ACJ68614.1), termed as HA1, was fused with a polyhistidine tag at the C-terminus.
The secreted recombinant HA1 subunit of influenza A H5N1 HA (A/Xinjiang/1/2006 (H5N1)) comprises 335 amino acids and has a predicted molecular mass of 38.0 kDa. As a result of glycosylation, it migrates as an approximately 52 kDa band in SDS-PAGE under reducing conditions.
> 95 % as determined by SDS-PAGE
Influenza A H5N1 (A/Xinjiang/1/2006) Hemagglutinin Protein (HA1 Subunit) (His Tag) SDS-PAGE
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