Streptavidin Protein-PE

Streptavidin is a tetrameric protein purified from the bacterium Streptomyces avidinii, and exhibits high binding affinity for biotin. Able to bind one molecule of biotin with each subunit. Streptavidin (PI=6.0-7.5) has lower level of non-specific binding to various biological components at physiological pH than avidin (PI=7.4), resulting from its isoelectric point (PI) .Streptavidin is useful in affinity chromatography, ELISA, immunohistochemistry and Western Blotting.

Product Specifications

Background

Specifications

This protein carries no "tag". The protein has a calculated MW of 13.8 kDa.

Host

E. coli

Target

Streptavidin

Conjugation

PE Labeled

Tag

Native

Applications

Flow Cytometry We also carry another Premium Grade Streptavidin Protein-PE (STN-NP117), which is produced under more rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests, and its performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage.

Stability

-20°C to -70°C for 24 months in lyophilized state; -20°C for 6 months after reconstitution; 2-8 °C for 6 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.