Catalytic activity:2 glutathione + protein-disulfide = glutathione disulfide + protein-dithiol. ,cofactor:FAD. ,Function:Possesses significant protein thiol-disulfide oxidase activity. ,Function:Probable oxidoreductase that acts as a caspase-independent mitochondrial effector of apoptotic cell death. Extramitochondrial AIF induces nuclear chromatin condensation and large scale DNA fragmentation (in vitro) . Binds to DNA in a sequence-independent manner. ,similarity:Belongs to the FAD-dependent oxidoreductase family. ,similarity:Contains 1 thioredoxin domain. ,subcellular location:Translocated to the nucleus upon induction of apoptosis. ,subunit:Interacts with XIAP. ,tissue specificity:Widely expressed. ,
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