Work with respiration-deficient strains of Saccharomyces cerevisiae has provided evidence that assembly of the mitochondrial ATP synthase is dependent on proteins that serve substrate-specific, chaperone-type functions: Atp10p, Atp11p, Atp12p, Atp22p, and Fmc1p. Atp11p and Atp12p mediate the formation of the F1 moiety via interaction with subunits F1-beta and F1-alpha, respectively. The role of Fmc1p is less clear. Atp10p and Atp22p are essential for the formation of the F(O) part, during which Atp10p assists in the incorporation of the F(O)-a subunit. Here we present a comprehensive analysis of ATP synthase assembly factors from all available genomes. The mechanism of the F1 assembly is preserved in all eukaryotic lineages that are capable of ATP synthesis via oxidative phosphorylation and requires Atp11p and Atp12p. Conversely, composition of the F(O) part as well as its assembly is more versatile. We found two distinct subtypes of the F(O)-a subunit, one of which seems to be dependent on the action of Atp10p while the other does not. Restricted occurrence of Fmc1p and Atp22p suggests the existence of lineage-specific assembly factors. Our phylogenetic data served as a source for comparative sequence analysis, which identified evolutionarily conserved residues, putative functional domains and their basic structural features for Atp10p, Atp11p, and Atp12p orthologs. These results provide the basis for detailed molecular analysis of the ATP synthase-specific chaperones.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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Evidence ID | Analyze ID | File | Description |
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