Sideroflexins (SFXNs) comprise a family of five paralogous proteins (SFXN1-5) in metazoan species. SFXN1/2/3 function as serine transporters and are required for efficient mitochondrial one-carbon (1C) metabolism. SFXN4 is evolutionarily divergent and mutations in SFXN4 give rise to mitochondrial di...
ORGANISM(S): Homo sapiens (Human)