Streptavidin is a protein produced by the bacterium Streptomyces avidinii and has
very high affinity for biotin by forming of streptavidin-biotin noncovalent binding.
This product is a highly purified recombinant protein expressed in E.coli.
Two types of Streptavidin “Full” (159 AA) and “Core” (127 AA) are available.