Influenza A H13N8 (A/black-headed gull/Netherlands/1/00) Hemagglutinin Protein (HA1 Subunit) (His Tag)

HA1

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Catalog Number	P11721-V08H1
Organism Species	H13N8
Host	Human Cells
Synonyms	HA1
Molecular Weight	The secreted recombinant HA1 subunit influenza A H13N8 HA (A/black-headed gull/Netherlands/1/00 (H13N8)) comprises 335 amino acids and has a predicted molecular mass of 37.4 kDa. As a result of glycosylation, the apparent molecular mass of the protein is approximately 55 kDa in SDS-PAGE under reducing conditions.
predicted N	Asp 19
SDS-PAGE
Purity	> 95 % as determined by SDS-PAGE
Protein Construction	A DNA sequence encoding the N-terminal segment (Met 1-Arg 342) of the influenza A hemagglutinin (A/black-headed gull/Netherlands/1/00 (H13N8)) (AAV91212.1), termed as HA1, was expressed, fused with a C-terminal polyhistidine tag.
Bio-activity
Research Area	Microbiology |Pathogenic microorganism |viruses |animal virus |viral illness |Viral tract respiratory illness |
Formulation	Lyophilized from sterile PBS, pH 7.4 1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background
Reference	White JM, Hoffman LR, Arevalo JH, et al. (1997). "Attachment and entry of influenza virus into host cells. Pivotal roles of hemagglutinin". In Chiu W, Burnett RM, Garcea RL. Structural Biology of Viruses. Suzuki Y (March 2005). "Sialobiology of influenza: molecular mechanism of host range variation of influenza viruses". Biol. Pharm. Bull. 28 (3): 399–408. Senne DA, Panigrahy B, Kawaoka Y, et al. (1996). "Survey of the hemagglutinin (HA) cleavage site sequence of H5 and H7 avian influenza viruses: amino acid sequence at the HA cleavage site as a marker of pathogenicity potential". Avian Dis. 40 (2): 425–37