The Atp12p protein of Saccharomyces cerevisiae is required for the assembly of the F(1) component of the mitochondrial F(1)F(0) ATP synthase. In this report, we show that the F(1) alpha-subunit co-precipitates and co-purifies with a tagged form of Atp12p adsorbed to affinity resins. Moreover, sedimentation analysis indicates that in the presence of the F(1) alpha-subunit, Atp12p behaves as a particle of higher mass than is observed in the absence of the alpha-subunit. Yeast two-hybrid screens confirm the direct association of Atp12p with the alpha-subunit and indicate that the binding site for the assembly factor lies in the nucleotide-binding domain of the alpha-subunit, between Asp133 and Leu322. These studies provide the basis for a model of F(1) assembly in which Atp12p is released from the alpha-subunit in exchange for a beta-subunit to form the interface that contains the non-catalytic adenine nucleotide-binding site.
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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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