R-Spondin(Rspo)蛋白属于Wnt调节剂的Rspo家族。目前,该家族由四个结构相关的分泌配体(Rspo 1-4)组成,所有配体都含有弗林蛋白酶样和凝血酶敏感蛋白结构域。Rspo蛋白可以与卷曲/LRP6受体复合物相互作用,导致细胞内信号蛋白β-catenin的稳定和积累。这种活性有效地激活并增加了β-catenin的后续核信号传导。R-Spondin还可以与G蛋白偶联受体LGR-4和LGR-5结合。Rspo/β-catenin信号传导可以作为转化表型的诱导剂,也可以调节某些干细胞群的增殖和分化。
本品重组人R-Spondin-3蛋白,以冻干粉形式提供,高活性,高纯度。
高纯度、高活性、低内毒素、高批间一致性
SDS-PAGE

Human R spondin 3 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
ELISA Data

Immobilized Human R-Spondin 3, His Tag at 1μg/ml (100μl/well) on the plate. Dose response curve for Human RNF43, hFc Tag with the EC50 of 25.2ng/ml determined by ELISA.
SPR Data

Human LGR-5, hFc Tag captured on CM5 Chip via Protein A can bind Human R-Spondin 3, His Tag with an affinity constant of 0.59 nM as determined in SPR assay.
-25 ~ -15℃保存,收到货之后有效期1年。
复溶后, -85 ~ -65℃保存,3个月有效期。





