Temperature-sensitive mutations at the carboxy terminus of the alpha subunit of the Escherichia coli F1F0 ATP synthase. |
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Authors: | S B Vik D Lee P A Marshall |
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Affiliation: | Department of Biological Sciences, Southern Methodist University, Dallas, Texas 75275-0376. |
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Abstract: | Mutations were constructed in the a subunit of the F1F0 ATP synthase from Escherichia coli. Truncated forms of this subunit showed a temperature sensitivity phenotype. We conclude that the carboxy terminus of the a subunit is not involved directly with proton translocation but that it has an important structural role. |
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