IFN alpha B2 protein (30R-AI053)

Purified recombinant Human IFN alpha B2 protein

Synonyms Interferon alpha B2 protein
Species Human
Protein Type Recombinant
Applications User optimized

Specifications

Expression System E.coli
Purity > 95% pure
Molecular Weight 19.5 kDa
Form & Buffer Supplied as a liquid in PBS with 0.1% BSA.

Usage & Assay Information

Bioactivity The EC50 for interferon in a cytopathic effect inhibition assay is ~1 U/ml (Human) and ~5 U/ml (Bovine)

Storage & Safety

Storage Aliquot and store at -70 deg C or lower. Avoid repeated freeze/thaw cycles
Endotoxin Levels <1 EU/ug

General Information

Biological Significance Interferon alpha 2b is one of the known 23 different variants of IFN-alpha. 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-alpha subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-alpha subtypes differ in their sequences at only one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.

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Availability: In stock

Price: $345.00
Size: 1 x 10^5 units
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