Recombinant Human Interferon-λ1 (rHu IFN-λ1) - PR1050

Recombinant Human Interferon-λ1 (rHu IFN-λ1) Catalogue Numbers: PR1050-5, PR1050-20 Sizes: 5µg, 20µg Source: Escherichia coli Molecular Weight: 19.8 kDa, a single non-glycosylated polypeptide chain containing 178 amino acids. Purity: >97% by SDS-PAGE and HPLC analyses. Biological Activity: Fully biologically active when compared to standard. The ED50 is determined in an anti-viral assay using human HepG2 cells infected with encephalomyocarditis is typically 1-5 ng/ml, corresponding to a Specific Activity of ＞2 x 105 IU/mg. Physical Appearance: Sterile Filtered White lyophilized (freeze-dried) powder. Formulation: Lyophilized from a 0.2μm filtered concentrated solution in 20mM PB, pH 7.4, 130mM NaCl. AA Sequence: PTSKPTTTGK GCHIGRFKSL SPQELASFKK ARDALEESLK LKNWSCSSPV FPGNWDLRLL QVRERPVALE AELALTLKVL EAAAGPALED VLDQPLHTLH HILSQLQACI QPQPTAGPRP RGRLHHWLHR LQEAPKKESA GCLEASVTFN LFRLLTRDLK YVADGNLCLR TSTHPEST Endotoxin: Less than 1EU/μg of rHuIFN-λ1 as determined by LAL method.