Cat#:RPH-NP199;Product Name:Recombinant Human Interferon α2B Variant (Arg46) / IFN-Α2b Protein;Synonym:Interferon Alpha-2, IFN-Alpha-2, Interferon Alpha-A, LeIF A, IFNA2;Description:Recombinant Human Interferon alpha-2b Protein is produced in E.coli and the target gene encoding Cys24-Glu188 is expressed.;Source:E. coli;AA Sequence:MCDLPQTHSLGSRRTLMLLAQMRRISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIF NLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLY LKEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKE;Purity:Greater than 95% as determined by reducing SDS-PAGE.;Endotoxin:< 0.1 ng/µg (1 IEU/µg) as determined by LAL test.;Bioactivity:Specific Activity is greater than 1.0 x 10^8 IU/ mg measured by a viral resistance assay using VSV-WISH cells.;Formulation:Recombinant Human Interferon α2B Variant (Arg46)/IFN-Α2b Protein was lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.2.;Stability:Recombinant Human Interferon α2B Variant (Arg46)/IFN-Α2b Protein is stable for up to 1 year from date of receipt at -70℃.;Reconstitution:Please centrifuge tubes before opening. Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100 μg/ml.Dissolve the lyophilized protein in ddH2O.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.;Storage:Lyophilized recombinant human IFN-A2b Protein should be stored below -20°C, though stable at room temperature for 3 weeks. Reconstituted recombinant human IFN-A2b protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted recombinant human IFN-A2b protein samples are stable below -20°C for 3 months.;Usage:For Lab Research Use Only;