Cardiolipin requirement for electron transfer in complex I and III of the mitochondrial respiratory chain.

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Cardiolipin requirement for electron transfer in complex I and III of the mitochondrial respiratory chain.

Almost complete phospholipid depletion has been achieved for Complex I and III of the mitochondrial respiratory chain using a technique that involves elution on Sephadex LH-20 in the presence of Triton X-100. Enzymic activity may be regenerated by replenishment with phospholipid. However, restoration of enzymic activity in phospholipid-depleted Complex I and III has been shown to require the pr...

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Complex III of the mitochondrial electron transfer chain is an asymmetric unit with a diameter of 80-100 Al and a molecular weight of about 300,000.2 Preparations of the complex contain 20-30 per cent by weight of lipid and (in the presence of bile salts) are water soluble.3 Under appropriate conditions (involving dilution of the bile salts), the units aggregate into vesicular membranes.4 The c...

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ژورنال

عنوان ژورنال: Journal of Biological Chemistry

سال: 1981

ISSN: 0021-9258

DOI: 10.1016/s0021-9258(19)69888-1