Streptavidin protein (30C-CE0301)
Purified homogeneous preparation of Streptavidin protein
Overview
Overview
| Species | Streptomyces avidinii |
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| Protein Type | Binding Protein |
| Applications | ELISA, WB |
Specifications
| Molecular Weight | 55 kDa |
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| Form & Buffer | Supplied as a lyophilized powder. Resonstitute with deionized water. |
Usage & Assay Information
| Usage Recommendations | Optimal conditions to be determined by end user |
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Storage & Safety
| Storage | Aliquot and store at -20 deg C. Avoid repeated Freeze/Thaw cycles |
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General Information
| Biological Significance | Streptavidin is a 52,800 dalton tetrameric protein purified from the bacterium Streptomyces avidinii. It has an extraordinarily high affinity for biotin; 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, detergents and proteolytic enzymes. |
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