This protein carries no "tag"
The protein has a calculated MW of 13.8 kDa. The protein migrates as 15 kDa under reducing (R) condition (SDS-PAGE).
Excitation Wavelength: 640 nm
Emission Wavelength: 672 nm
>95% as determined by SDS-PAGE.
>90% as determined by SEC-HPLC.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 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 protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Streptavidin Protein-Alexa Fluor 647 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 Streptavidin Protein-Alexa Fluor 647 (Cat. No. STN-NA119) was greater than 90% as determined by SEC-HPLC.
5e5 of Jurkat cells were stained with 100 μL of 3 μg/mL of Biotinylated Anti-Human CD3 Antibody, Mouse IgG2a,Avitag (Clone: OKT3), premium grade (Cat. No. CDE-M525a) and isotype control antibody respectively, washed and then followed with 100 μL of 1 μg/mL of Streptavidin Protein-Alexa Fluor 647 (Cat. No. STN-NA119) and analyzed with FACS. Alexa 647 signal was used to evaluate the binding activity (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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