產(chǎn)品介紹
PBL Assay Science
12400-1
Mouse IFN Beta, E.Coli
1 x 105 units
19.6 kDa
Gene was obtained from mouse DNA expressed in E. coli modified as described in Day, et al. (1992) "Engineered disulfide bond greatly increases specific activity of recombinant murine interferon beta" (J. Interferon Res. 12: 139-43).
> 95% by SDS-PAGE stained by Coomassie Blue Endotoxin level < 1 EU/μg
Measured using a cytopathic effect inhibition assay on Mouse (L929) cells with EMCV. EC50 for IFNβ is ~ 2.5U/ml
20 mM HEPES, pH 6.0; 0.5M NaCl; 6% glycerol; 0.1% bovine serum albumin (BSA)
< 1 EU/μg
> 95%
A combination of ion exchange, hydrophobic interaction and size exclusion chromatography
For retention of full activity store at -70 oC or below and avoid repeated freeze-thaw cycles
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BIOLEAF熱搜 BIOLEAF試劑盒 BIOLEAF ELISA BIOLEAF試劑 BIOLEAF品牌 BIOLEAF抗體 BIOLEAF耗材 BIOLEAF小儀器
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