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L00424
 Streptavidin MagBeads
2 ml
$165

Streptavidin MagBeads


Description:

GenScript Streptavidin MagBeads are ideal for purification of biotinylated proteins and nucleic acids, immunoprecipitation, protein interaction studies, immunoassays, and cell isolation, etc.

GenScript Streptavidin Magbeads are superparamagnetic beads of approximately 40 μm in size, covalently coated with highly purified streptavidin. The beads are supplied as 25% slurry in phosphate buffered saline (PBS), pH 7.4, containing 20% ethanol.

Streptavidin is a biotin-binding protein found in the culture broth of the bacterium Streptomyces avidinii. Streptavidin binds 4 moles of biotin per mole of protein with an extremely high affinity. Streptavidin lacks carbohydrate side chains present on avidin and has an isoelectric point of 6.5 (vs 10 for avidin) close to where most useful biological interactions occur. As a result, streptavidin frequently exhibits much lower non-specific binding than avidin does.


Key Features:

  • Quick and convenient separation accomplished by magnetic force
  • High binding capacity with more than 60 nmol D-Biotin/ml settled beads
  • Extremely low nonspecific binding


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