The epidermal growth factor (EGF) family of peptides encodes several proteins that can function as growth factors . The EGF-like peptides, with the exception of proteins of the EGF-CFC subfamily, bind and activate tyrosine kinase receptors that belong to the erbB family.

高活性、高纯度、低内毒素、高批间一致性

ELISA Data :Immobilized Human GDF-2, No Tag at 2μg/ml (100μl/well) on the plate. Dose response curve for Human ALK-1, His Tag with the EC50 of 33.1ng/ml determined by ELISA .

SPR Data: Human/Cynomolgus Activin RIIB, hFc Tag captured on CM5 Chip via Protein A can bind Human GDF-2, No Tag with an affinity constant of 26.57 pM as determined in SPR assay .

Cell Based Assay:  Measured by its ability to induce alkaline phosphatase production by ATDC5 mouse chondrogenic cells. The ED50 for this effect is 0.4-4 ng/mL .

-25~-15℃保存，收到货之日起，有效期1年。复溶后， -85~-65℃保存，3个月有效期。避免反复冻融。