Immobilized Avidin Resin
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Immobilized Avidin Resin

Cat# Product Name Size Price Qty Inquiry
IR-001 Immobilized Avidin Resin 5mL Inquiry
25mL Inquiry
Product Information
Product Overview Biotin, a 244Da vitamin (Vitamin H) molecule, exhibits an extraordinary binding affinity for avidin (Ka=1015 M-1). Biotin and avidin interaction is rapid and once the bond is established it can survive up to 3M guanidine-hydrochloride and extremes of pH. Biotin-avidin bonds can only be reversed by denaturing the avidin protein molecule with 8M guanidine-hydrochloride at pH1.5 or by boiling in SDS Page Sample Loading Buffer.
Avidin is a glycoprotein with approximately 10% of its total mass coming from carbohydrates. Avidin has a molecular weight of 67kDa and contains four identical 128 amino acid subunits that each has a single biotin binding domain. Avidin is a basic protein with an isoelectric pH of 10-10.5 and is readily soluble in aqueous buffers containing a wide range of salt, pH (2-11), temperature and other laboratory agents. This wide range of tolerance makes avidin suitable for a wide variety of analytical applications. Avidin has extraordinary binding affinity for biotin (Ka=1015M-1).
The avidin in covalently coupled to the agarose resulting in minimal leaching and is stable over pH2-11.
The Avidin Resin is designed for the single step small and large scale affinity purification of proteins and antibodies with a biotin tag. The resin can also be used for immunoprecipitations using biotin labeled antibodies. Supplied as a 50% resin slurry.
Optimum pH 2-11
Characteristic Avidin covalently coupled to ~6% cross linked agarose. Minimal Leaching
Binding capacity 15-20µg biotin/ml resin
Bead Structure: 6% cross-linked agarose
Applications Immunoprecipitation with biotinylated antibodies
Pull down assays with biotinylated proteins
Purification of biotinylated molecules, including:
Proteins
Antibodies
DNA
Carbohydrates
Storage It is shipped at ambient temperature. Upon arrival, store refrigerated at 4°C, DO NOT FREEZE. This product is stable for 1 year at 4°C
Download Datasheet Download SDS
For Research or Industrial Raw Materials, Not For Personal Medical Use!
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