Streptavidin Protein
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- Target See all Streptavidin Proteins
- Streptavidin
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Origin
- Streptomyces avidinii
- Host
- Please inquire
- Top Product
- Discover our top product Streptavidin Protein
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- Restrictions
- For Research Use only
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- Format
- Liquid
- Buffer
- TBS, pH 8.2, with 1% BSA, 15mM NaN3, and 30% glycerol.
- Preservative
- Sodium azide
- Precaution of Use
- This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
- Storage
- 4 °C
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- Target
- Streptavidin
- Abstract
- Streptavidin Products
- Background
- Streptavidin is a 52,800 dalton tetrameric protein purified from the bacterium Streptomyces avidinii. It has an extraordinarily high affinity for biotin (also known as vitamin B7), the dissociation constant (kDa) of the biotin-streptavidin complex is on the order of ≈10-14 mol/L, making it one of the strongest non-covalent interactions known in nature. It is used extensively in molecular biology and bionanotechnology as, in addition to the high affinity, biotin-binding is resistant to extremes of pH, temperature, organic solvents, denaturants (e.g. guanidinium chloride), detergents (e.g. SDS, Triton) and proteolytic enzymes. Synonyms: Streptavidin-Colloidal Gold (5nm).
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