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Chemical compound
Coenzyme A (CoA, SHCoA, CoASH) is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyruvate in the citric acid cycle. All genomes sequenced to date encode enzymes that use coenzyme A as a substrate, and around 4% of cellular enzymes use it (or a thioester) as a substrate. In humans, CoA biosynthesis requires cysteine, pantothenate (vitamin B5), and adenosine triphosphate (ATP).[2]
In its acetyl form, coenzyme A is a highly versatile molecule, serving metabolic functions in both the anabolic and catabolic pathways. Acetyl-CoA is utilised in the post-translational regulation and allosteric regulation of pyruvate dehydrogenase and carboxylase to maintain and support the partition of pyruvate synthesis and degradation.[3]
^ abDawson RM, Elliott DC, Elliott WH, Jones KM (2002). Data for Biochemical Research (3rd ed.). Clarendon Press. pp. 118–119. ISBN 978-0-19-855299-4.
^Daugherty M, Polanuyer B, Farrell M, Scholle M, Lykidis A, de Crécy-Lagard V, Osterman A (June 2002). "Complete reconstitution of the human coenzyme A biosynthetic pathway via comparative genomics". The Journal of Biological Chemistry. 277 (24): 21431–21439. doi:10.1074/jbc.M201708200. PMID 11923312.
^"Coenzyme A: when small is mighty". www.asbmb.org. Archived from the original on 2018-12-20. Retrieved 2018-12-19.
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