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DBpedia 2016-04

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Matches in DBpedia 2016-04 for { ?s ?p "In molecular biology, Beta-ketoacyl-ACP synthase EC 2.3.1.41, is an enzyme involved in fatty acid synthesis. It results in the formation of acetoacetyl ACP.File:FattyAcid-MB-Condensation.pngBeta-ketoacyl-ACP synthase is a highly conserved enzyme that is found in almost all life on earth as a domain in fatty acid synthase (FAS). FAS has two types, aptly named type I and II. Type I is found in animals, fungi, and “lower eukaryotes.” Type II is found in prokaryotes, plastids, and mitochondria. Beta-ketoacyl-ACP synthase III, perhaps the most well known of this family of enzymes, catalyzes a Claisen condensation between acetyl CoA and malonyl ACP. The image below reveals how CoA fits in the active site as a substrate of synthase III. Beta-ketoacyl-ACP synthases I and II only catalyze acyl-ACP reactions with malonyl ACP. Synthases I and II are capable of producing long-chain acyl-ACPs. Both are efficient up to acyl-ACPs with a 14 carbon chain, at which point synthase II is the more efficient choice for further carbon additions. Type I FAS catalyzes all the reactions necessary to create palmitic acid, which is a necessary function in animals for metabolic processes, one of which includes the formation of sphingosines.Beta-ketoacyl-ACP synthase is found as a component of a number of enzymatic systems, including fatty acid synthetase (FAS); the multi-functional 6-methysalicylic acid synthase (MSAS) from Penicillium patulum, which is involved in the biosynthesis of a polyketide antibiotic; polyketide antibiotic synthase enzyme systems; Emericella nidulans multifunctional protein Wa, which is involved in the biosynthesis of conidial green pigment; Rhizobium nodulation protein nodE, which probably acts as a beta-ketoacyl synthase in the synthesis of the nodulation Nod factor fatty acyl chain; and yeast mitochondrial protein CEM1."@en }

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