Cat#:PDL1-139HAC;Product Name:Recombinant Human PD-L1 / B7-H1 Protein;Synonym:PD-L1,CD274,B7-H1,PDCD1L1,PDCD1LG1;Description:Human PD-L1 with His Tag is produced in HEK293 cells. It contains AA Phe 19 - Arg 238.;Source:HEK293;Predicted N Terminal:Phe 19;Molecular Characterization:Recombinant human PD-L1 / B7-H1 protein has a calculated molecular weight of 26 kDa. The recombinant protein migrates as 35-42 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.;Purity:Greater than 98% as determined by SDS-PAGE.Greater than 90% as determined by SEC-HPLC.;Endotoxin:<1.0 EU per μg of recombinant human PD-L1 / B7-H1 protein by the LAL method.;Formulation:Recombinant human PD-L1 / B7-H1 protein was lyophilized from 0.22 μm filtered solution in PBS, pH7.4.;Stability:Recombinant human PD-L1 / B7-H1 protein was stable up to 1 year from date of receipt at -70℃;Storage:Store recombinant human PD-L1 / B7-H1 protein under sterile conditions at -20℃ to -80℃. It is recommended that the recombinant protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.;Usage:For Lab Research Use Only;