Egg Whites - AVIDIN

• High Purity Proteins
• Recombinant Proteins
• Antibodies
• Biologicals
• Fine Biochemicals
• Reagents

Item #: 102-90

Details

Manufacturer Lee Biosolutions produces Avidin in research and bulk quantities. Avidin can be placed in the buffer of your choice.

Avidin is a tetrameric protein. In chicken egg white, avidin makes up approximately 0.05% of total protein (approximately 1.8 mg per egg). The tetrameric protein contains four identical subunits (homotetramer) each of which can bind to biotin (Vitamin B7, vitamin H) with a high degree of affinity and specificity.

Avidin's affinity for biotin is exploited in wide ranging biochemical assays, including western blot, ELISA, ELISPOT and pull-down assays. Avidin immobilized onto solid supports is also used as purification media to capture biotin-labelled protein or nucleic acid molecules. For example, cell surface proteins can be specifically labelled with membrane impermeable biotin reagent, then specifically captured using an avidin-based support.

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