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分類	其他	級別	其他

Stemfactor™ Activin A, Human Recombinant 重組人激活素A

產(chǎn)品關鍵詞：

na?ve stem cells 初始干細胞；neural progenitor cells 神經(jīng)祖細胞；WH-4-023；CHIR99021；Stemfactor™ LIF；

產(chǎn)品描述：

Stemfactor™ Activin A是一種結晶級別的重組蛋白制備物，提供非常高的純度。激活素A（Activin A）具有雙重功能，不僅能維持干細胞潛能也能促進分化。成熟的重組人激活素A是2條116個氨基酸殘基組成的βA亞基通過二硫鍵連接的二聚體，分子量約25kDa。

Stemgent公司提供支持初始潛能干細胞應用需要的5i/L/A培養(yǎng)基添加劑（5i/L/A media supplment）所有成分，如下：

名稱	貨號	規(guī)格
Stemolecule™ WH-4-023 SRC Inhibitor	04-0079	2 mg
Stemolecule™ SB590885 BRAF Inhibitor	04-0080	2 mg
Stemolecule™ IM-12 GSK-3β Inhibitor	04-0081	2 mg
Stemolecule™ PD0325901 MEK Inhibitor	04-0006	2 mg
Stemolecule™ Y27632 ROCK Inhibitor	04-0012	2 mg
Stemfactor™ LIF, Human Recombinant	03-0016	1 ml, 10 μg/ml
Stemfactor™ Activin A, Human Recombinant	03-0001	5 μg

產(chǎn)品特性

來源：E.Coli
配方：Lyophilized from 20% acetonitrile
氨基酸序列：GLECDGKVNI CCKKQFFVSF KDIGWNDWII APSGYHANYC EGECPSHIAG TSGSSLSFHS TVINHYRMRG HSPFANLKSC CVPTKLRPMS MLYYDDGQNI IKKDIQNMIV EECGCS
Uniprot序列號：P08476, residues 311-426
純度：＞98%（SDS-PAGE）
內(nèi)毒素水平：Less than 1.0 EU/μg of Activin A as determined by the LAL method.
生物活性：The ED₅₀ is less than 6 ng/ml as determined by its ability to inhibit the proliferation of mouse MPC-11 cells.
重溶：Centrifuge briefly and reconstitute Activin A in 10 mM HCl before dilution in cell culture medium. Avoid freeze-thaw cycles as it can result in loss of activity.
保存和穩(wěn)定性：Activin A is shipped at room temperature. Lyophilized Activin A is stable for up to 6 months from date of receipt when stored at -20°C to -80°C. Reconstituted Activin A, at concentrations greater than 0.1 mg/ml, is stable for up to 3 months when stored at -20°C and for 1 year when stored at -80°C

品牌	名稱	貨號	規(guī)格
Stemgent	Stemfactor™ Activin A, Human Recombinant	03-0001	5 μg

— —Written/Edited by V. Shallan【版權歸MKBio懋康所有】

上海懋康生物科技有限公司是一家涉足于生命科學和生物技術領域研究的試劑、儀器和實驗室消耗品與實驗服務工作，主要從事細胞生物學、植物學、分子生物學、免疫學、生物化學、蛋白組學。生物制藥與診斷試劑研發(fā)生產(chǎn)等領域。本公司秉承“以人為本，以誠為信、合同守信"的經(jīng)營理念。堅持"品質(zhì)保障"的原則為廣大客戶提供優(yōu)質(zhì)產(chǎn)品。