|The Streptavidin n/a (Catalog #MBS537130) is a Colloidal Gold & Silver and is intended for research purposes only. The product is available for immediate purchase.
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Purified homogeneous preparation of Streptavidin protein conjugated to 40nm colloidal gold in solution.
Biological Significance: 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. Streptavidin is used extensively in molecular biology and bionanotechnology due to the streptavidin-biotin complex\'s resistance to organic solvents, denaturants, detergents, proteolytic enzymes, and extremes of temperature and pH. Biohazard Information: This product contains sodium azide as preservative. Although the amount of sodium azide is very small appropriate care must be taken when handling this product.
Tag/Conjugate: Gold Colloid.