This preparation of Troponin I (TnI) is isolated from human cardiac muscle and is provided as a liquid in 75 mM Tris, 10 mM EGTA, 8 M Urea, 60 mM b-Mercaptoethanol, 1 mM Calcium Chloride, 1 mM Benzamidine, pH 8.0. Purity is ≥95% by SDS-PAGE. Protein content is determined by the Bradford Method (BSA standard) and reported upon assay.
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