Influenza A H12N1 (A/mallard duck/Alberta/342/1983) Hemagglutinin Protein (HA1 Subunit) (His Tag)

HA1

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Catalog Number	P40029-V08H1
Organism Species	H12N1
Host	Human Cells
Synonyms	HA1
Molecular Weight	The secreted recombinant HA1 subunit of influenza A H12N1 HA (A/mallard duck/Alberta/342/1983(H12N1)) comprises 336 amino acids and has a predicted molecular mass of 38.3 kDa. As a result of glycosylation, it migrates as an approximately 55 kDa band in SDS-PAGE under reducing conditions.
predicted N	Asp 18
SDS-PAGE
Purity	> 97 % as determined by SDS-PAGE
Protein Construction	A DNA sequence encoding the N-terminal segment (Met 1-Arg 342) of the influenza hemagglutinin (A/mallard duck/Alberta/342/1983 (H12N1)) (ABB88099.1), termed as HA1, was fused with a polyhistidine tag at the C-terminus.
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 and mannitol 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