The protein encoded by this gene is a mediator of mitochondrial fusion. This protein and mitofusin 2 are homologs of the Drosophila protein fuzzy onion (Fzo). They are mitochondrial membrane proteins that interact with each other to facilitate mitochondrial targeting.,MFN1,hfzo1,hfzo2,Signal Transduction,Cell Biology & Developmental Biology,Autophagy,Endocrine & Metabolism,Mitochondrial metabolism,Mitochondrial markers,Mitophagy fission and fusion,Neuroscience,Neurodegenerative Diseases,Dopamine Signaling in Parkinson's Disease,Mitochondrial Control of Autophagy,MFN1