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Product last modified at: 2024-12-25T09:00:18.526Z
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Streptavidin #78319

    Product Information

    Product Description

    Streptavidin is unlabeled and is useful for detecting biotinylated proteins (1,2).

    Storage

    Supplied in a lyophilized form that is stable for 12 months after receipt. Upon receipt, store at 4°C. Reconstitute with ddH2O and store at 4°C. Upon reconstitution, the product is in 20 mM KPi (pH 6.5).

    Avoid multiple freeze/thaw cycles.

    Specificity / Sensitivity

    Streptavidin has a remarkably high affinity for its natural ligand, biotin. The complex and irregular structure of the biotin-binding site makes it highly optimized for biotin binding and confers great specificity to the streptavidin-biotin complexes (4).

    Source / Purification

    Streptavidin is a protein that is derived from the bacteria Streptomyces avidinii.

    Background

    Streptavidin is a 53 kDa homotetramer isolated from Streptomyces avidinii for use in isolation and detection bioassays (3). Each streptavidin subunit forms high affinity non-covalent bonds with the vitamin biotin. Because of its strong non-covalent interaction with biotin, streptavidin can be used to isolate and detect biotinylated proteins (1,2).
    For Research Use Only. Not For Use In Diagnostic Procedures.
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