Recombinant Human IFN-a2b

SKU: orb1631620

Description

Images & Validation

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Key Properties

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Source	Escherichia coli.
Expression System	Escherichia coli.
Biological Activity	Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 1.0 × 108 IU/mg.
Molecular Weight	Approximately 19.4 kDa, a single non-glycosylated polypeptide chain containing 166 amino acids.
Purity	> 96 % by SDS-PAGE and HPLC analyses.

Storage & Handling

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Storage	This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
Form/Appearance	Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4.
Expiration Date	6 months from date of receipt.
Disclaimer	For research use only

Alternative Names

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Vascular Endothelial Growth Factor is a sub-family of growth factors produced by cells, which stimulates vasculogenesis and angiogenesis. VEGF's normal function is to create new blood vessels during embryonic development, new blood vessels after injury, muscle following exercise, and new vessels (collateral circulation) to bypass blocked vessels. Humans express alternately spliced isoforms of 121, 145, 165, 183, 189, and 206 amino acids (a.a.) in length. VEGF production can be induced in cells that are not receiving enough oxygen. VEGF165 appears to be the most abundant and potent isoform, followed by VEGF121 and VEGF189. Recombinant human VEGF165 contains 165 amino acids residues and it is a disulfide-linked homodimer. In addition, it shares 88 % a.a. with corresponding regions of mouse and rat, 96 % with porcine, 95 % with canine, and 93 % with feline, equine and bovine VEGF, respectively

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UniProt

P01563

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