Cat#:RP-1827H;Product Name:Recombinant Human VEGF Protein;Synonym:VEGF, Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, MGC70609, VEGFA;Source:E. coli;Molecular Characterization:The recombinant human VEGF protein has a calculated molecular mass of 20 KDa.;Purity:Greater than 95 % as determined by SDS-PAGE.;Endotoxin:<1.0 EU/µg VEGF protein;Bioactivity:Typically 2~5 ng/ml (Determined by human umbilical vein endothelial cells-HUVECs).;Formulation:Lyophilized from 20 mM PB, pH 7.4;Stability:Recombinant Proteins are stable for up to 3 years from date of receipt at -20℃;Reconstitution:It is recommended that the recombinant human VEGF protein is reconstituted with sterile water into a final concentration of 0.5 mg/ml.;Storage:Avoid repeated freeze-thaw cycles. In lyophilized state for 1 year (4-8℃); Upon reconstitution under sterile conditions for 2 weeks (4-8℃) or 3 months (-20℃ to -90℃).;