Recombinant H2N2(A/Japan/305/1957) HA1 Subunit protein, His-tagged

• Cat.No.: HA-425H
• Product Overview: Recombinant H2N2(A/Japan/305/1957) HA1 Subunit protein(AAO46269.1) (Met1-Glu338), was expressed in HEK293 with a C-terminal polyhistidine tag.

Specification

• Species: H2N2
• Source: HEK293
• Tag: His
• Protein Length: 1-338 aa
• Form: Lyophilized from sterile PBS, pH 7.4.
• Molecular Mass: The recombinant HA1 subunit of Influenza A virus (A/Japan/305/1957 (H2N2)) comprises 334 amino acids and has a predicted molecular mass of 37.5 kDa. The apparent molecular mass of the protein is approximately 49.2 kDa in SDS-PAGE under reducing conditions.
• Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
• Purity: > 95 % as determined by SDS-PAGE
• Storage: Store it under sterile conditions at -20°C to -80°C upon receiving. Recommend to aliquot the protein into smaller quantities 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 0.2 ug/ul. Centrifuge the vial at 4°C before opening to recover the entire contents.