Recombinant biotinylated human interferon alpha/beta receptor 1 (extracellular domain) expressed in HEK293 cells and supplied lyophilized. Designed for binding and analytical assays, the protein includes a C-terminal polyhistidine tag and an engineered biotinylation tag for enzymatic labeling; provided at high purity for SPR, MALS, and other characterization methods.
- Expression system: HEK293 cells; amino acids Lys 28-Lys 436.
- Biotinylated at an engineered tag site; includes a C-terminal His tag.
- Calculated molecular weight ~50 kDa; migrates 66-90 kDa on reducing SDS-PAGE due to glycosylation.
- Purity >90% as determined by SDS-PAGE and SEC-MALS.
- Lyophilized from PBS, pH 7.4, with trehalose as protectant.
- Available in a 25 g vial; suitable for SPR and other binding assays.
