Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
This protein carries a human IgG1 Fc tag at the C-terminus, followed by a Avi tag (Avitag™)
The protein has a calculated MW of 63.5 kDa. The protein migrates as 80-106 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Biotinylated Human CD155, Fc,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
The purity of Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6) is more than 85% and the molecular weight of this protein is around 155-185 kDa verified by SEC-MALS.
Immobilized Human TIGIT, Fc Tag (Cat. No. TIT-H5254) at 2 μg/mL (100 μL/well) can bind Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6) with a linear range of 7-62 ng/mL (QC tested).
Immobilized Human DNAM-1, Fc Tag (Cat. No. DN1-H5257) at 2 μg/mL (100 μL/well) can bind Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6) with a linear range of 0.02-0.312 μg/mL (Routinely tested).
Serial dilutions of TIGIT antibody antibody (1:2 serial dilutions, from 20 μg/mL to 0.0097 μg/mL) were added into Human TIGIT, His Tag: Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6) binding reactions. The assay was performed according to the above described protocol. Background was subtracted from data points before curve fitting.
FACS analysis shows that the binding of Biotinylated Human CD155, Fc,Avitag (Cat. No. CD5-H82F6) to 293T overexpressing TIGIT was inhibited by increasing concentration of neutralizing Anti-Human TIGIT MAb. The concentration of CD155 used is 1 μg/mL. The IC50 is 0.201 μg/mL (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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