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Streptavidin
General Information
Detected MW:
12/38/55 kDa
QC Testing
Purity:
>95% as determined by SDS-PAGE
Concentration:
>0.5 mg/ml
Usage Guide
Storage:
Stored at -70℃ or -20℃. Avoid repeated freeze/thaw cycles.
Background:
Streptavidin is a tetrameric protein composed of identic subunits. Each subunit binds one biotin molecule with a KD of ~1x10-15M. The preparation contains an N- and C-terminal shortened variant (core streptavidin) with improved properties concerning homogeneity, solubility, resistance towards proteolytic degradation and accessibility of the biotin binding pocket as compared to native streptavidin. The high affinity recognition of biotin and biotinylated molecules has made streptavidin one of the most important components in diagnostics and laboratory kits.
Figures
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.