This streptavidin was produced in E.coli and has a weight of 53 kDa. Streptavidin binds biotin with very high affinity (association constant of approximately 10^14). The thiol (sulfhydryl) modification allows for the formation of gold-thiol bonds and permits the use of maleimide chemistry.
Size
25 mg
Concentration
n/a
Applications
Binding and detection of biotin and biotinylated products.