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and Bioassay Research
and Bioassay Research
sales@neoscientific.com
+1-888.733.6849
+1-617.299.7367 (Int’l)
+1-617.299.7367 (Int’l)
+1-888.733.6849
+1-617.299.7367 (Int’l)
+1-617.299.7367 (Int’l)
For quotations, please use our online quotation form, and you may also contact us by
sales@neoscientific.com
+1-888.733.6849
+1-617.299.7367 (Int’l)
+1-888.733.6849
+1-617.299.7367 (Int’l)
| Introduction | Streptavidin is a tetrameric protein secreted by Streptomyces avidinii which binds firmly to biotin. Streptavidin is wilyde used in molecular biology throµgh its unique high affinity for the vitamin biotin. The dissociation constant (Kd) of the biotin-streptavidin complex is about ~10-15 mol/L. The strong affinity recognition of biotin and biotinylated molecules has made streptavidin one of the most important components in diagnostics and laboratory kits. The streptavidin/biotin system has one of the biggest free energies of association of yet observed for noncovalent binding of a protein and small ligand in aqueous solution (K_assoc = 10**14). The complexes are also extremely stable over a wide range of temperature and pH. |
| Synonyms | NULL |
| Source | Escherichia Coli. |
| Physical Appearance | Sterile Liquid formulation at the concentration. |
| Formulation | The sterile solution contains 10mM K2HPO4-KH2PO4, pH 7.3. |
| Stability | Streptavidin-NC althoµgh stable at 4°C for 3 weeks, should be stored below -18°C. Please prevent freeze thaw cycles. |
| Purity | Greater than 96.0% as determined by SDS-PAGE. |
| Usage | NeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals. |
| Applications | Calibrators and controls for immunoassays and western blot standards. |
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