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| Product Name | Streptavidin (Cy3) |
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| Description | Streptavidin (MW ~66kD) binds specifically with biotin (244D). It is derived from the bacterium Streptomyces avidinii and bears a remarkable similarity to chicken egg-white avidin both in three-dimensional structure and its ability to bind biotin with extremely high affinity (Kd=10e-15M). It is a tetrameric protein capable of binding up to 4 biotin molecules. Unlike avidin, Streptavidin is non-glycosylated and is essentially neutral in charge, whereas avidin (pH 10.5) is basic at neutral pH. Because of this, streptavidin has considerably less non-specific binding resulting in less background. It has replaced avidin as the reagent of choice for most applications where protein interactions may cause background. Molar F/P Ratio: ~3 A552nm/A280nm: ~2 Applications: Suitable for use in Immunofluorescence, Flow Cytometry and Immunohistochemistry. |
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| Size | 1ml |
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| Concentration | n/a |
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| Applications | FC IF IHC |
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| Other Names | n/a |
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| Gene, Accession, CAS # | n/a |
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| Catalog # | S7973-89J |
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| Order / More Info | Streptavidin (Cy3) from UNITED STATES BIOLOGICAL |
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| Product Specific References | n/a |
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