Product Overview
E. coli derived recombinant. The protein contains full size streptavidin sequence
Tag/Conjugate
Unconjugated
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.
Citations
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Koukouvinos, G; Petrou, PS; et al. A label-free flow-through immunosensor for determination of total- and free-PSA in human serum samples based on white-light reflectance spectroscopy. SENSORS AND ACTUATORS B-CHEMICAL 209:1041-1048(2015).
Kim, D; Sahin, O; et al. Imaging and three-dimensional reconstruction of chemical groups inside a protein complex using atomic force microscopy. NATURE NANOTECHNOLOGY 10:264-269(2015).
COA
Certificate of Analysis
