AAA proteins remodel other proteins to affect a multitude of biological processes. Their power to remodel substrates must lie in their capacity to couple substrate binding to conformational changes via cycles of nucleotide binding and hydrolysis, but these relationships have not yet been deciphered for any member. We report that when one AAA protein, Hsp104, engages polypeptide at the C-terminal peptide-binding region, the ATPase cycle of the C-terminal nucleotide-binding domain (NBD2) drives a conformational change in the middle region. This, in turn, drives ATP hydrolysis in the N-terminal ATPase domain (NBD1). This interdomain communication pathway can be blocked by mutation in the middle region or bypassed by antibodies that bind there, demonstrating the crucial role this region plays in transducing signals from one end of the molecule to the other.
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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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