HSA-Interferon-alpha 2b, Human

At least 23 different variants of Interferon-alpha are known. The individual proteins have molecular masses between 19, 000-26, 000 Da 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 carboxyl-terminal end. GenScript, Human Serum Albumin and Interferon (HSA-IFN)-alpha 2b, produced in, P. Pichia, is a single non-glicosylated, polypeptide chain having a molecular mass of 85, 700 Da.

Lyophilized from a (1 mg/ml) solution in containing 5.55 mg sodium phosphate dibasic, 5.55 mg sodium phosphate monobasic buffer, 296 mg sucrose and 0.37 mg Tween 80.

Cytokine, Chemokines & Growth Factors

Lyophilized HSA-IFN-a2b although stable at room temperature for 3 weeks, should be stored desiccated below -18C. Upon reconstitution HSA-IFN-alpha 2b should be stored at 4C between 2-7 days and for future use below -18C. For long-term storage it is recommended to ass a carrier protein (0.1% HSA or BSA). Please avoid freeze-thaw cycles.