Site directed mutagenesis has been performed on the gene coding for the beta-subunit of the yeast mitochondrial F1-ATPase. Two different regions were studied. First, the corresponding yeast amino acid, Tyr-344, which was affinity labeled in the bovine enzyme was changed to Phe-344 and Ala-344. The Phe-344 enzyme was completely active and less sensitive to the affinity reagent, 4-chloro-7-nitrobenzofurazan. In contrast, the in vivo level of the Ala-344 enzyme was greatly diminished and apparently inactive. The second region studied is in the glycine rich region homologous in nucleotide binding proteins. Five different replacements were made and all mutations but one completely eliminated the biological activity and reduced the in vivo level of the mutant peptides. These results support the importance of these amino acids in the function of the ATPase.
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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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