Voltage-dependent anion-selective channels (VDACs) are pore-forming proteins allowing the permeability of the mitochondrial outer membrane. The VDAC3 isoform is the least abundant and least active in a complementation assay performed in a yeast strain devoid of porin-1. We swapped the VDAC3 N-terminal 20 amino acids with homologous sequences from the other isoforms. The substitution of the VDAC3 N-terminus with the VDAC1 N-terminus caused the chimaera to become more active than VDAC1. The VDAC2 N-terminus improved VDAC3 activity, though to a lesser extent. The VDAC3 carrying the VDAC1 N-terminus was able to complement the lack of the yeast porin in mitochondrial respiration and in modulation of reactive oxygen species (ROS). This chimaera increased life span, indicating a more efficient bioenergetic metabolism and/or a better protection from ROS.
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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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