IFN-alpha 2a/IFNA2 Protein, Human, Recombinant

Catalog No. TMPJ-00745

At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes only differ in their sequences by one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.

IFN-alpha 2a/IFNA2 Protein, Human, Recombinant

Catalog No. TMPJ-00745

Pack Size	Price	USA Warehouse	Global Warehouse
5 μg	$31	7-10 days	7-10 days
10 μg	$45	In Stock	In Stock
20 μg	$77	7-10 days	7-10 days
50 μg	$170	7-10 days	7-10 days
100 μg	$229	7-10 days	7-10 days
200 μg	$313	7-10 days	7-10 days
500 μg	$475	7-10 days	7-10 days
1 mg	$682	7-10 days	7-10 days

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In Stock Estimated shipping dateUSA Warehouse [1-2 days] Global Warehouse [5-7 days]

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Product Information

Biological Activity	Loaded Human IFNAR2-Fc on Protein A Biosensor, can bind Human IFN alpha2a with an affinity constant of 1.95 nM as determined in BLI assay. (Regularly tested)
Description	At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes only differ in their sequences by one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.
Species	Human
Expression System	E. coli
Tag	Tag Free
Accession Number	P01563
Synonyms	LeIF A,Interferon α-A,Interferon α-2,Interferon Alpha-A,Interferon Alpha-2,IFN-α-2,IFN-Alpha-2,IFNA2,IFN α2a
Amino Acid	Cys24-Glu188(Arg46Lys)
Construction	Cys24-Glu188(Arg46Lys)
Protein Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Molecular Weight	16 KDa (reducing condition)
Endotoxin	< 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM PB, 150 mM NaCl, pH 7.2.
Reconstitution	Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
Stability & Storage	Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice.
Research Background	At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes only differ in their sequences by one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.