The mitochondrial channel VDAC is presumed to fold as a beta-barrel although the number and identity of transmembrane beta-strands in the protein are controversial. Previously, a novel multiple alignment algorithm called the Gibbs sampler was used to detect a residue-frequency motif in sequences of bacterial outer-membrane proteins that corresponds to transmembrane beta-strands in bacterial porins of known structure (Neuwald et al., 1995, Protein Science, 4, 1618. In the present study, this bacterial motif has been used to screen sets of mitochondrial membrane protein sequences, with matches occurring in only two classes of proteins: VDACs and the outer-membrane protein import pore (1SP42, M0M38). These results suggest a structural (and perhaps evolutionary) relatedness between the bacterial and mitochondrial pore proteins, with the mitochondrial subsequences that match the bacterial motif corresponding to transmembrane beta-strands as in the porins.
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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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