Streptavidin (40nm Gold Colloid) (80R-S101GD)
Purified homogeneous preparation of Streptavidin protein conjugated to 40nm colloidal gold in solution
Specifications
| Tag/Conjugate | Gold Colloid |
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| Form & Buffer | Supplied as a liquid with 0.1% NaN3. |
Storage & Safety
| Storage | Store at 4 deg C. |
|---|---|
| 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. |
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 (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. |
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