In enzymology, a phenylacetate—CoA ligase is an enzyme () that catalyzes the chemical reaction
ATP + phenylacetate + CoA AMP + diphosphate + phenylacetyl-CoA
The 3 substrates of this enzyme are ATP, phenylacetate, and CoA. Its 3 products are AMP, diphosphate, and phenylacetyl-CoA.
This enzyme belongs to the family of ligases, specifically those forming carbon-sulfur bonds as acid-thiol ligases. The systematic name of this enzyme class is phenylacetate:CoA ligase (AMP-forming). Other names in common use include phenylacetyl-CoA ligase, PA-CoA ligase, and phenylacetyl-CoA ligase (AMP-forming). This enzyme participates in tyrosine metabolism and phenylalanine metabolism.
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