Mitochondrial fission factor, also known as Mff, is a tail-anchored, outer mitochondrial membrane protein that is part of a complex process controlling mitochondrial and peroxisomal fission in conjunction with Drp1 and Fis1 (Schrader and Yoon, 2007). The rate of mitochondrial fission and fusion balance each other for cell growth and survival of mitochondria. Fission can be greatly accelerated when cytochrome c is released during apoptosis (Desagher and Martinou, 2000). Mff was identified as an important component of the process through siRNA transfected cells, isolating the protein in the P2 pellet and demonstrating that Mff is exposed to the cytosol (Gandre-Babbe and van der Bliek 2008). Mff has been identified at different stages of the fission process working alongside, rather than in complex with, Fis1 suggesting that Mff contributes to fission independent of the Fis1 complex (Gandre-Babbe and van der Bliek 2008).
ICC, IHC, WB
MFF C2orf33 AD030 AD033 GL004
Fusion protein amino acids 1-173 (MSKRTSSDTPLGRVSGAAFPSPTASEMAEISRIQYEMEYTEGIS QRMRVPEKLKVAPPNADLEQGFQEGVPNASVIMQVPERIVVAGNNEDVSFSRPADLDLIQS TPFKPLALKTPPRVLTLSERPLDFLDLERPPVTPQNEEIRAVGRLKRERSMSENAVRQNGQL VRNDSV, cytoplasmic N-terminal exons 1, 2, 3 and 4) and 272-322 (YGISNIEATIEGTSDDM TVVDAASLRRQIIKLNRRLQLLEEENKERAKREM, cytoplasmic N-terminal exons 8 and most of 9) of mostly human MFF (also known as Mitochondrial fission factor, C2orf33, AD030, AD033 and GL004, accession number Q9GZY8); Human: 96% identity (167/173 amino acids identical) and 94% identity (48/51 amino acids identical); Rat: 95% identity (141/147 amino acids identical) and 92% identity (47/51 amino acids identical); Mouse: 93% identity (138/147 amino acids identical) and 84% identity (43/51 amino acids identical)
Human, Mouse, Rat
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