Recombinant H4N4 (A/mallard duck/Alberta/299/1977) HA Protein, His-tagged

• Cat.No.: HA-798V
• Product Overview: Recombinant Influenza A virus (A/mallard duck/Alberta/299/1977(H4N4)) hemagglutinin (ABB87495.1) (Met1-Ile528), termed as HA, was expressed with a polyhistidine tag at the C-terminus.

Specification

• Source: Baculovirus-Insect Cells
• Species: H4N4
• Tag: His
• Predicted N Terminal: Gln 17
• Form: Lyophilized from sterile 20 mM Tris, 500 mM NaCl, 10 %glycerol, pH 7.4, 5% ~ 8% trehalose and mannitol.
• Molecular Mass: The recombinant hemagglutinin of Influenza A virus (A/mallard duck/Alberta/299/1977(H4N4)) consists 523 amino acids and predicts a molecular mass of 59 kDa.
• Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
• Purity: >95 % as determined by SDS-PAGE.
• Stability: Samples are stable for up to twelve months from date of receipt at -70ºC.
• Storage: Store it under sterile conditions at -20ºC~-70ºC. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
• Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.25 ug/ul. Centrifuge the vial at 4℃ before opening to recover the entire contents.
• Protein length: 1-528 a.a.