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Respiratory Chain Phosphorylation in Sub-Cellular Particles isolated from the Hepatopancreas of Carcinus maenas

Naturevolume 192pages975976 (1961) | Download Citation



IN previous publications1,2 I have shown that the respiratory chain present in respiring particles isolated from the hepatopancreas of Carcinus maenas (the common shore crab) contains pyridine nucleotides, flavoproteins and cytochromes c1 + c, b, a and a3 in the proportions 19 : 3 : 1 : 1 : 1 : 1. All these respiratory pigments were shown to undergo oxidation and reduction during the oxidation of succinate, but the pyridine nucleotides reacted too slowly to be considered as a member of the respiratory chain associated with the oxidation of succinate. This communication presents evidence which shows that the oxidations catalysed by this respiratory chain are associated with the production of adenosine triphosphate.

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  1. Department of Physiology and Biochemistry, University, Southampton

    • R. B. BEECHEY


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