Streptavidin, 10 mg. Biotin binding protein (Streptomyces avidinii). Specific activity: ≥ 14.0 U/mg protein MW: ~52,000 Daltons (based on MS), composed of 4 identical polypeptide chains. Predominantly a single band by SDS PAGE. Bulk quantities are available, contact us for more information. Supplied lyophilized, contains ~0.9 mg protein/mg lyophilizate.
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