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The di cyclo hexyl carbodiimide binding protein c of atp synthase from escherichia coli is not sufficient to express an efficient proton conduction



The di cyclo hexyl carbodiimide binding protein c of atp synthase from escherichia coli is not sufficient to express an efficient proton conduction



Proceedings of the National Academy of Sciences of the United States of America 78(11): 6643-6646



Bacteriophage Mu was inserted into the unc genes of E. coli. The resulting mutation AS12 had a polar effect on the unc operon: membranes of the mutant AS12 contained the dicyclohexylcarbodiimide-binding protein c and the protein a as sole subunits of the ATP synthase. It was shown by peptide mapping and amino acid analysis of the fragments that protein c from mutant AS12 was identical with the wild-type protein c. The absence of subunit b in mutant AS12 drastically lowered the H+ conduction dependent on the membrane-integrated moiety (F0) of the ATP synthase. Both subunits b and c are apparently necessary for an efficient expression of H+ conduction.

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Accession: 006628161

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Related references

The dicyclohexylcarbodiimide-binding protein c of ATP synthase from Escherichia coli is not sufficient to express an efficient H+ conduction. Proceedings of the National Academy of Sciences of the United States of America 78(11): 6643-6646, 1981

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