The TIM10 chaperone facilitates the insertion of hydrophobic proteins at the mitochondrial inner membrane. Here we report the novel molecular mechanism of TIM10 assembly. This process crucially depends on oxidative folding in mitochondria and involves: (i) import of the subunits in a Cys-reduced and unfolded state; (ii) folding to an assembly-competent structure maintained by intramolecular disulfide bonding of their four conserved cysteines; and (iii) assembly of the oxidized zinc-devoid subunits to the functional complex. We show that intramolecular disulfide bonding occurs in vivo, whereas intermolecular disulfides observed in vitro are abortive intermediates in the assembly pathway. This novel mechanism of compartment-specific redox-regulated assembly is crucial for the formation of a functional TIM10 chaperone.
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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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