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  • Title: Leishmania tarentolae: a parallel isolation of cytochrome bc(1) and cytochrome c oxidase.
    Author: Horváth A, Berry EA, Huang LS, Maslov DA.
    Journal: Exp Parasitol; 2000 Nov; 96(3):160-7. PubMed ID: 11162366.
    Abstract:
    A rapid and simple method which allowed for a parallel isolation of cytochrome c reductase (cytochrome bc(1) ) and cytochrome c oxidase from kinetoplast-mitochondria of Leishmania tarentolae was developed. The method involved the lysis of kinetoplasts with dodecyl maltoside in the presence of 260 mM NaCl, followed by purification of bc(1) complexes on DEAE-sepharose CL-6B. The oxidase which was found in the flow-through fractions of the first chromatographic step was diluted and then repurified on a similar DEAE-sepharose column. The investigated properties of the isolated cytochrome c oxidase and reductase, such as their absolute and difference spectrum absorption maxima, heme content, specific activity, and subunit composition, confirm the usefulness of this method for obtaining highly active preparations of the enzymes.
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