Title : Role of the malonyl-CoA synthetase ACSF3 in mitochondrial metabolism.

Pub. Date : 2019 Jan

PMID : 30201289






5 Functional Relationships(s)
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1 While these canonical cytoplasmic roles of malonyl-CoA have been well described, malonyl-CoA can also be generated within the mitochondrial matrix by an alternative pathway: the ATP-dependent ligation of malonate to Coenzyme A by the malonyl-CoA synthetase ACSF3. Malonyl Coenzyme A acyl-CoA synthetase family member 3 Homo sapiens
2 While these canonical cytoplasmic roles of malonyl-CoA have been well described, malonyl-CoA can also be generated within the mitochondrial matrix by an alternative pathway: the ATP-dependent ligation of malonate to Coenzyme A by the malonyl-CoA synthetase ACSF3. Malonyl Coenzyme A acyl-CoA synthetase family member 3 Homo sapiens
3 A major role for ACSF3 is to provide a metabolic pathway for the clearance of malonate by the generation of malonyl-CoA, which can then be decarboxylated to acetyl-CoA by malonyl-CoA decarboxylase. Malonyl Coenzyme A acyl-CoA synthetase family member 3 Homo sapiens
4 Additionally, ACSF3-derived malonyl-CoA can be used to malonylate lysine residues on proteins within the matrix of mitochondria, possibly adding another regulatory layer to post-translational control of mitochondrial metabolism. Malonyl Coenzyme A acyl-CoA synthetase family member 3 Homo sapiens
5 The discovery of ACSF3-mediated generation of malonyl-CoA defines a new mitochondrial metabolic pathway and raises new questions about how the metabolic fates of this multifunctional metabolite intersect with mitochondrial metabolism. Malonyl Coenzyme A acyl-CoA synthetase family member 3 Homo sapiens