重組蛋白 Human Interferon Beta 1a, Mammalian 由 PBL Assay Science(目錄號 #11415-1)生產(chǎn),僅供研究使用 (RUO),包裝為 1e5 (100,000) 單位/瓶。這種細胞因子在 CHO 細胞中表達。
商品詳情參考文獻相關(guān)資料
產(chǎn)品介紹
品牌
PBL Assay Science
貨號
11415-1
品名
Human IFN Beta (Beta 1a, Mammalian Expressed)
規(guī)格
1 x 105 units
分子量
~ 23 kDa
來源
cDNA obtained from human fibroblast interferon beta 1a mRNA expressed in CHO cells
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 1a in this assay is ~ 1 U/ml
緩沖液
50 mM NaOAc, pH 5.5 containing 0.1% BSA
內(nèi)毒素
< 1 EU/μg
純度
> 95%, one N-linked glycosylation site
純化方法
Proprietary chromatography methods
貯存
For retention of full activity store at -70 oC or below and avoid repeated freeze-thaw cycles