Streptavidinisabiotin-bindingproteinpurifiedfrom
Streptomycesavidiniiwithanearneutralisoelectricpoint.Streptavidiniscomposedof4identicalpolypeptidechainsubunits,whichbinds4molesofbiotinpermoleofproteinwithahighaffinity(K
d~10
-15).ProteoChem"shighpuritystreptavidinhasaspecificactivity>14.0U/mgofproteinandispredominantlyasinglebandbySDS-PAGE.Streptavidinislyophilizedandmaybereconstitutedwithwater.
Biotinylateyourproteinorantibodyofinterestusing
ProteoChem"sBiotinylationReagentsforuseinconjunctionwithstreptavidin.
MolecularWeight:~52,000daltons
CASNumber:9013-20-1