Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:6.2.1.13 (acetyl-CoA synthetase)
 451 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Highly purified rat liver fatty acid synthetase is completely inhibited when assayed in the presence of a coenzyme A-depleting system such as that catalyzed by phosphotransacetylase, acetyl-CoA synthetase, or ATP citrate lyase. The addition of free CoA causes a reversal of this inhibition. The requirement of free CoA is the same whether acetyl-CoA or butyryl-CoA serves as the primer for fatty acid synthetase. The CoA-depleted and thus inactive fatty acid synthetase system can be reactivated by the addition of a rat brain thioesterase or a rat mammary gland thioesterase II preparation. This reactivation appears to occur in the absence of free CoA. Long chain fatty acids (mainly palmitate) are formed by the thioesterase reactivated system. These results suggest that CoA is required for the termination of the fatty acid synthetase reaction. Possible mechanisms are discussed.
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PMID:Coenzyme A requirement for the termination reaction of rat liver fatty acid synthetase. 743 Jan 43