85-4657-19　Hemagglutinin (HA), Recombinant, Influenza A Virus (strain A/Hickox/1940 H1N1), aa18-343, His-SUMO-Tag 20ug　370639

特徴

• 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.
• Source:Partial recombinant protein corresponding to aa18-343 from Influenza A virus Hemagglutinin, fused to His-SUMO-Tag at N-terminal, expressed in E. coli.
• Molecular Weight:~52.57kD
• AA Sequence:DTICIGYHANNSTDTVDTVLEKNVTVTHSVNLLEDSHNGKLCRLKGIAPLQLGKCNIAGWILGNPECESLLSKRSWSYIAETPNSENGTCYPGDFADYEELREQLSSVSSFERFEIFPKERSWPNHNINIGVTAACSHAGKSSFYKNLLWLTEKDGSYPNLNKSYVNKKEKEVLVLWGVHHPSNIENQKTLYRKENAYVSVVSSNYNRRFTPEIAERPKVRGQAGRMNYYWTLLEPGDTIIFEANGNLIAPWYAFALSRGLGSGIITSNASMDECDTKCQTPQGAINSSLPFQNIHPFTIGECPKYVRSTKLRMVTGLRNIPSIQS
• Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.