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  • Title: Localization of cytochrome C oxidase and cytochrome C peroxidase in mitochondria of Hymenolepis diminuta (Cestoda).
    Author: McKelvey JR, Fioravanti CF.
    Journal: Comp Biochem Physiol B; 1986; 85(2):333-5. PubMed ID: 3022983.
    Abstract:
    The intramitochondrial localization of cytochrome c oxidase and cytochrome c peroxidase in adult Hymenolepis diminuta was investigated. Mitochondria were fractionated into inner membrane, outer membrane, intermembrane space and matrix and the efficacy of fractionation was monitored employing marker enzymes. Cytochrome c oxidase was associated with the mitochondrial inner membrane. Whereas 55% of the cytochrome c peroxidase activity was in the matrix, 32% of the activity was in the intermembrane space fraction. Based upon the distribution of marker enzymes, a dual compartmentalization of cytochrome c peroxidase is apparent in H. diminuta mitochondria.
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