Mitochondria play a key role in apoptosis due to their capacity to release potentially lethal proteins. One of these latent death factors is cytochrome c, which can stimulate the proteolytic activation of caspase zymogens. Another important protein is apoptosis-inducing factor (AIF), a flavoprotein that can stimulate a caspase-independent cell-death pathway required for early embryonic morphogenesis. Here, we report the crystal structure of mouse AIF at 2.0 A. Its active site structure and redox properties suggest that AIF functions as an electron transferase with a mechanism similar to that of the bacterial ferredoxin reductases, its closest evolutionary homologs. However, AIF structurally differs from these proteins in some essential features, including a long insertion in a C-terminal beta-hairpin loop, which may be related to its apoptogenic functions.
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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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