Title : Mammalian ACSF3 protein is a malonyl-CoA synthetase that supplies the chain extender units for mitochondrial fatty acid synthesis.

Pub. Date : 2011 Sep 30

PMID : 21846720






3 Functional Relationships(s)
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1 The human candidate protein ACSF3, which has a predicted N-terminal mitochondrial targeting sequence, was cloned, expressed, and characterized as a 65-kDa acyl-CoA synthetase with extremely high specificity for malonate and methylmalonate. malonic acid acyl-CoA synthetase family member 3 Homo sapiens
2 An arginine residue implicated in malonate binding by prokaryotic malonyl-CoA synthetases was found to be positionally conserved in animal ACSF3 enzymes and essential for activity. malonic acid acyl-CoA synthetase family member 3 Homo sapiens
3 In conclusion, unlike fungi, which have an intramitochondrial acetyl-CoA carboxylase, animals require an alternative source of mitochondrial malonyl-CoA; the mitochondrial ACSF3 enzyme is capable of filling this role by utilizing free malonic acid as substrate. malonic acid acyl-CoA synthetase family member 3 Homo sapiens