"HA" Related Products

Recombinant H5N1 (A/Egypt/N05056/2009) HA Protein, His-tagged

Cat.No.: HA-367V
Product Overview: Recombinant extracellular domain (Met 1-Gln 530) of the influenza A H5N1 hemagglutinin (A/Egypt/N05056/2009 (H5N1)) (ACT15357.1) (HA1+HA2, uncleaved, cleavage site mutated (RRRKKR-TETR) was expressed, fused with a C-terminal polyhistidine tag.
Source: HEK293
Species: H5N1
Tag: His
Predicted N Terminal: Asp 17
Form: Lyophilized from sterile PBS, pH 7.4, 5%~8% trehalose and mannitol.
Bio-activity: Measured by its ability to agglutinate human red blood cells. HA titer is 4-20 μg/mL for 1% HRBC.
Molecular Mass: The secreted recombinant influenza A H5N1 HA (A/Egypt/N05056/2009 (H5N1)) comprises 523 amino acids and has a predicted molecular mass of 59.7 kDa. As a result of glycosylation, it migrates as an approximately 65 kDa band in SDS-PAGE under reducing conditions.
Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
Purity: >97 % 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 4ºC before opening to recover the entire contents.

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