cDNA obtained from human fibroblast interferon beta mRNA expressed in E.coli
純度
> 95% by SDS-PAGE stained by Coomassie Blue
Endotoxin level < 1 EU/μg
生物活性
Measured using a cytopathic inhibition assay on human lung carcinoma cell line A549 with encephalomyocarditis virus (EMCV). EC50 for IFN beta 1b in this assay is ~ 1 U/ml
緩沖液
153 mM NaCl, 1.3% Normal Serum Albumin
內毒素
< 1 EU/μg
純度
≥ 95%
貯存
For retention of full activity store at -70 oC or below and avoid repeated freeze-thaw cycles
產品特點:
Human IFN Beta 1b, E.coli, recombinant protein
Type I IFN
Single non-glycosylated polypeptide chain, serine replace cysteine at residue 17