Intracellular Localization of Succinoxidase and Cytochrome Oxidase of the Kidney Cortex.

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Abstract
Succinoxidase and cytochrome oxidase activities of renal cortex are primarily localized in the mitochondria. Only 43% of the succinoxidase activity and 48% of the cytochrome oxidase activities of the total homogenate is recovered with the mitochondria. If negligible amts. of the final supernatant fluid are added to the mitochondria, 85% of the activity is recovered. After 2 washings the succinoxidase activity of renal cortex mitochondria is reduced 58%.