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Molecular Probes™ CaptAvidin™ Biotin-Binding Protein
CaptAvidin™ biotin-binding protein
Brand: Molecular Probes™ C21385
This item is not returnable.
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Description
CaptAvidin™ biotin-binding protein contains a nitrated tyrosine in its biotin-binding site. This chemical modification permits dissociation of the avidin-biotin complex under milder conditions than the traditional avidin-biotin complex. At pH 4.0, CaptAvidin™ biotin-binding protein binds biotin tightly with a Ka of ∼109M-1. This association can then be reversed at pH 10, allowing complete dissociation of the avidin-biotin complex. This is in contrast to the harsh conditions (8 M guanidine hydrochloride, pH 1.5) needed to dissociate the avidin-biotin complex.Specifications
Unconjugated | |
Store in freezer (-5 to -30°C). | |
Solid | |
Avidin (unconjugated, reversible biotin binding) |
1 mg | |
Room Temperature | |
CaptAvidin™ |
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Product Title
Molecular Probes™ CaptAvidin™ Biotin-Binding Protein > 1mg
For Research Use Only. Not for use in diagnostic procedures.
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