BP004208: Biotinylated Human IL-21 Protein with the N-His-Avi Tag
Source: The recombinant Biotinylated Human IL-21 Protein, (amino acids Gln32-Ser162) fused with a His-Avi tag at the N-terminus, was produced in E.coli cells.
Activity: Immobilized recombinant Human IL-21R protein with the N-His-Avi tag at 0.5 ug/ml (100 ul/Well) on the plate. Dose response curve for the recombinant Biotinylated Human IL-21 protein with the N-His tag with the EC50 of 2.5 ng/ml determined by ELISA.
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.BP004243: Biotinylated Mouse IL-21 Protein with the N-His-Avi Tag
Source: The recombinant Biotinylated Mouse IL-21 Protein, (amino acids His18-Ser146) fused with a His-Avi tag at the N-terminus, was produced in E.coli cells.
Activity:
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.<
BP005786: Human IL-21 Protein with No Tag
Source: The recombinant Human IL-21 Protein, (amino acids Gln32-Ser162) fused with No Tag, was produced in E.coli cells.
Activity: Immobilized recombinant Human IL-21, No tag at 2 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human IL-21R, hFc tag with the EC50 of 42.3 ng/ml determined by ELISA.
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.BP000147-CYT-033: Recombinant Rat IL-21
Source: E. coli-derived.
The biological activity is measured by its ability to proliferate activated B cells.
Purity: > 95.0% as determined by RP-HPLC and SDS-PAGE.BP000147-CYT-408: Recombinant Human IL-21
Source: E. coli-derived.
The ED50=1-10 ug/ml corresponding to a Specific Activity of 0.1-1 MIU/mg , determined by the dose-dependant proliferation of human peripheral blood mononuclear cells.
Purity > 95%, by SDS-PAGE and RP-HPLC.BP000147-CYT-684: Recombinant Mouse IL-21
Source: E. coli-derived.
The ED50=10-50 ug/ml, determined by the cell proliferation assay of modified Ba/F3 cells.
Purity > 95%, by SDS-PAGE and RP-HPLC.