Streptavidin is a biotin-binding protein of bacterial origin, reported to exhibit lower non-specific binding compared to avidin. It possesses high affinity, with each mole of protein capable of binding 4 moles of biotin.Streptavidin demonstrates excellent thermal stability and tolerance to protein denaturants such as acid, urea, and SDS. These properties make the biotin-streptavidin system highly advantageous, offering strong affinity, high sensitivity, excellent specificity, superior stability, and signal amplification capabilities. It is widely applicable in immunology, molecular biology, histochemistry, and related fields.This product is produced by recombinant expression of selected active core regions of functional fragments, significantly reducing non-specific adsorption and minimizing false-positive results.This product is a streptavidin mixed multimer (8-12 SA subunits).
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