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Mitofusin 1 (MFN1) and the related protein MFN2 are mitochondrial membrane GTPase proteins that play a central role in mitochondrial metabolism and may be associated with obesity and/or apoptosis processes. MFN1 and MFN2 form homotypic and heterotypic complexes and coordinately regulate mitochondrial fusion and are essential for embryonic development. When ectopically expressed, MFN1 inhibits the apoptosis-associated amino-terminal conformation change in the apoptotic protein Bax but not its mitochondrial translocation, indicating that MFN1 is involved in the regulating the activation of Bax on the outer mitochondrial membrane.
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Protein Aliases: DKFZp762F247; EC 3.6.5; FLJ20693; Fzo homolog; MGC41806; mitochondrial transmembrane GTPase Fzo-1; mitochondrial transmembrane GTPase FZO-2; Mitochondrial transmembrane GTPase FZO1B; Mitofusin-1; putative transmembrane GTPase; Transmembrane GTPase MFN1
Gene Aliases: 2310002F04Rik; 6330416C07Rik; D3Ertd265e; Fzo1b; hfzo1; hfzo2; HR2; MFN1; mKIAA4032
UniProt ID: (Human) Q8IWA4, (Rat) Q8R4Z9, (Mouse) Q811U4
Entrez Gene ID: (Human) 55669, (Rat) 192647, (Mouse) 67414
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