Streptavidin

Thương hiệu: Bio Basic-Canada | Tình trạng: Còn hàng

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Streptavidin
CAT: SE497
CAS: 9013-20-1
Grade: Biotech
Purity: > 95 % as estimated by SDS-PAGE
Storage: (-15 to -20)C

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Streptavidin
CAT: SE497
CAS: 9013-20-1
Grade: Biotech
Purity: > 95 % as estimated by SDS-PAGE
Storage: (-15 to -20)C
Sterile: Yes
Formulation: Lyophilized in 10 mM potassium phosphate buffer pH 6.5

Product Description: Streptavidin: Streptavidin is a tetrameric protein composed of four identical subunits. Each subunit binds one biotin molecule with a KD of ~1 x 10-15 M. The preparation contains an N- and C-terminal shortened variant (core streptavidin) with improved properties concerning homogeneity, solubility, resistance towards proteolytic degradation and accessibility of the biotin binding pocket as compared to native streptavidin.The Avidin-Biotin binding interaction is one of the strongest in nature dissociation constant = 10 -15 M). This interaction is often exploited as a means for enhancing detection in immunohistochemistry and nucleic acid hybridizations.Bio Basic's Streptavidin has a highest specific activity (>17 units/mg protein). This electrophoretically-pure protein is guaranteed free of DNase, RNase and protease activity and is provided as a lyophilized powder. It may be easily conjugated to affinity columns, enzymes, antibodies or nucleic acid probes using any standard protocol

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