Streptavidin [Proxidase] (DAG-T1141)

Streptavidin [Proxidase], recombinant protein from E. coli Datasheet

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Product Overview
E. coli derived recombinant. The protein contains full size streptavidin sequence. Horseradish labeled (P).
Nature
Recombinant
Tag/Conjugate
Proxidase
Storage
Store at 2–8 °C
Introduction
Streptavidin /?str?p?t?v?d?n/ is a 52.8 kDa protein purified from the bacterium Streptomyces avidinii. Streptavidin homo-tetramers have an extraordinarily high affinity for biotin (also known as vitamin B7 or vitamin H). With a dissociation constant (Kd) on the order of ≈10?14 mol/L, the binding of biotin to streptavidin is one of the strongest non-covalent interactions known in nature. Streptavidin is used extensively in molecular biology and bionanotechnology due to the streptavidin-biotin complex's resistance to organic solvents, denaturants (e.g. guanidinium chloride), detergents (e.g. SDS, Triton), proteolytic enzymes, and extremes of temperature and pH.
Keywords
Streptavidin

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