纯度
> 90 % as determined by SDS-PAGE.
内毒素
< 1 EU/μg of the protein by LAL method.
制剂
Supplied as 0.22μm filtered solution in 20mM Tris, 500mM NaCL, 200mM L-arginine, 5mM DTT.
描述
Recombinant Human LIF R Protein is produced by Expi293 expression system. The target protein is expressed with sequence (Gln45-Ser833) of Human LIF R fused with hFc tag at the C-terminal.
储存
Store at -70℃. This product is stable at ≤ -70℃ for up to 1 year from the date of receipt. For optimal storage, aliquot into smaller quantities after centrifugation and store at recommended temperature. Avoid repeated freeze-thaw cycles.
(1)未开盖的干粉蛋白在 -20°C至-80°C可保存12个月;复溶之后,蛋白溶液在-20°C及以下可保存3个月,在2-8℃可保存1周;
(2)干粉蛋白复溶浓度建议在0.1-0.5 mg/mL,不能低于0.1mg/mL,长期储存请添加保护剂(如0.1%BSA),并分装保存,避免反复冻融;
(3)液体蛋白的保存温度及效期请参考说明书,如对液体蛋白浓度有要求,请提前咨询销售或者技术支持。
生物活性
Immobilized Human LIF, No Tag at 1μg/ml (100μl/Well) on the plate. Dose response curve for Human LIF R, hFc Tag with the EC50 of 66.8ng/ml determined by ELISA.
请在蛋白复溶计算器中输入蛋白总质量和所需终浓度,快速计算您需要添加溶液的体积吧!
The leukemia inhibitory factor receptor (LIF-R) subunit is a component of cell-surface receptor complexes for the multifunctional cytokines, LIF, cardiotrophin-1, ciliary neurotrophic factor, and human oncostatin M. The structure of the human LIF-R gene is similar to that of the mouse gene. The transmembrane receptor is encoded by 19 exons.