Abstract
Summary
Affinity chromatography of rat liver cytosol on sulfobromophthalein coupled to agarose via a glutathione bridge is described. Protein bound to the gel is eluted with 0.1 M Na2HPO4 at pH 9.2, resulting in a fourfold enrichment of ligandin as compared to cytosol. This technique should be useful in the study of organic anion binding to rat liver components other than cytosol, and may permit characterization of their potential role in hepatic uptake and excretory mechanisms.
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