PMID:2863270
| Citation |
Klionsky, DJ and Simoni, RD (1985) Assembly of a functional F1 of the proton-translocating ATPase of Escherichia coli. J. Biol. Chem. 260:11200-6 |
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| Abstract |
Assembly of the F1 portion of the proton-translocating ATPase of Escherichia coli was examined in vivo. Analysis of strains lacking genes which specify the Fo polypeptides a, b, and c showed that the F1 subunits were able to assemble into a complex in the absence of the Fo subunits. In addition we have investigated the effects of mutations in the individual genes which specify the F1 polypeptides on the assembly process. Mutations of the uncA(alpha), uncG(gamma), or uncD(beta) genes result in a defective assembly of the F1 complex. In contrast, mutations in the uncH(delta) or uncC(epsilon) genes did not prevent assembly of the core alpha beta gamma complex. In these cases, however, the partial F1 complexes were incapable of restoring energy-linked functions to F1-depleted membranes. |
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| Keywords |
DNA Restriction Enzymes; Escherichia coli/enzymology; Escherichia coli/genetics; Genes; Genes, Bacterial; Kinetics; Macromolecular Substances; Molecular Weight; Mutation; Operon; Plasmids; Proton-Translocating ATPases/genetics; Proton-Translocating ATPases/isolation & purification; Proton-Translocating ATPases/metabolism; Species Specificity |
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