Biotin/Avidin Binding Purification Streptavidin 6HC Agarose Resin STV6HC STV6HC Streptavidin is a tetrameric protein containing four biotin-binding sites. Recombinant streptavidin is immobilized on a highly crosslinked beaded agarose destined to strongly bind biotinylated biomolecules. ABT offers 5 ml, 10 ml and 20 ml in bulk format. Add to cart Select 10 ml 5 ml 20 ml Add to cart