Streptavidin Protein (Native, Streptomyces avidinii)

Product Specifications

Abbreviation

Streptavidin

Host

E. coli

Tag

Native

Endotoxin

< 1.0 EU per μg protein as determined by the LAL method.

Purity

≥ 95 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC. ≥ 95 % as determined by SEC-MALS (Routinely tested) .

Bioactivity

Immobilized Recombinant Human PD-L1/B7-H1 Protein (hFc & AVI Tag), Biotinylated , HPLC-verified (Cat: 10084-H41H-B) at 1 μg/mL (100 μl/well) on Recombinant Streptavidin Protein (Cat: 40948-ANAE) precoated (5 μg/mL, 100 μL/well) can bind Atezolizumab derived Anti-PDL1 Antibody, Human IgG1, the EC50 is 0.3-1.5 ng/mL (QC tested) .

Function

Met1-Gln183

Molecular Weight

The recombinant Streptomyces avidinii Streptavidin consists of 160 amino acids and predicts a molecular mass of 16.62 kDa.. The molecular weight of this protein is around 68.8 kDa verified by SEC-MALS (Routinely tested) .