acyl carrier protein

ac·yl car·ri·er pro·tein (ACP),

one of the proteins of the complex in cytoplasm that contains all of the enzymes required to convert acetyl-CoA (and, in certain cases, butyryl-CoA or propionyl-CoA) and malonyl-CoA to palmitic acid. This complex is tightly bound together in mammalian tissues and in yeast, but that from Escherichia coli is readily dissociated. The ACP thus isolated is a heat-stable protein with a molecular weight of about 10,000. It contains a free -SH that binds the acyl intermediates in the synthesis of fatty acids as thioesters. This -SH group is part of a 4'-phosphopantetheine, added to the apoprotein by ACP phosphodiesterase, which thus plays the same role that it does in coenzyme A. ACP is involved in every step of the fatty acid synthetic process.

Acyl Carrier Protein

A small 77-residue alpha helical bundle protein which is intimately involved in fatty acid biosynthesis, and binds various enzymes in pathways of primary and secondary metabolism. It was first isolated in Escherichia coli.

ac·yl car·ri·er pro·tein

(ACP) (as'il kar'ē-ĕr prō'tēn) One of the proteins of the complex in cytoplasm that contains all the enzymes required to convert acetyl-CoA (and, in certain cases, butyryl-CoA or propionyl-CoA) and malonyl-CoA to palmitic acid. This complex is tightly bound together in mammalian tissues and in yeast, but that taken from Escherichia coli is readily dissociated. The ACP thus isolated is a heat-stable protein with a molecular weight of about 10,000. It contains a free -SH that binds the acyl intermediates in the synthesis of fatty acids as thioesters. This -SH group is part of a 4'-phosphopantetheine, added to the apoprotein by ACP phosphodiesterase, which thus plays the same role that it does in coenzyme A. ACP is involved in every step of the fatty acid synthetic process.

单词	acyl carrier protein
释义	DictionarySeeacyl acyl carrier protein acyl carrier protein [′a·səl ′kar·ē·ər ′prō‚tēn] (biochemistry) A protein in fatty acid synthesis that picks up aceytl and malonyl groups from acetyl coenzyme A and malonyl coenzyme A and links them by condensation to form β-keto acid acyl carrier protein, releasing carbon dioxide and the sulfhydryl form of acyl carrier protein. Abbreviated ACP. acyl carrier protein ac·yl car·ri·er pro·tein (ACP), one of the proteins of the complex in cytoplasm that contains all of the enzymes required to convert acetyl-CoA (and, in certain cases, butyryl-CoA or propionyl-CoA) and malonyl-CoA to palmitic acid. This complex is tightly bound together in mammalian tissues and in yeast, but that from Escherichia coli is readily dissociated. The ACP thus isolated is a heat-stable protein with a molecular weight of about 10,000. It contains a free -SH that binds the acyl intermediates in the synthesis of fatty acids as thioesters. This -SH group is part of a 4'-phosphopantetheine, added to the apoprotein by ACP phosphodiesterase, which thus plays the same role that it does in coenzyme A. ACP is involved in every step of the fatty acid synthetic process. Acyl Carrier Protein A small 77-residue alpha helical bundle protein which is intimately involved in fatty acid biosynthesis, and binds various enzymes in pathways of primary and secondary metabolism. It was first isolated in Escherichia coli. ac·yl car·ri·er pro·tein (ACP) (as'il kar'ē-ĕr prō'tēn) One of the proteins of the complex in cytoplasm that contains all the enzymes required to convert acetyl-CoA (and, in certain cases, butyryl-CoA or propionyl-CoA) and malonyl-CoA to palmitic acid. This complex is tightly bound together in mammalian tissues and in yeast, but that taken from Escherichia coli is readily dissociated. The ACP thus isolated is a heat-stable protein with a molecular weight of about 10,000. It contains a free -SH that binds the acyl intermediates in the synthesis of fatty acids as thioesters. This -SH group is part of a 4'-phosphopantetheine, added to the apoprotein by ACP phosphodiesterase, which thus plays the same role that it does in coenzyme A. ACP is involved in every step of the fatty acid synthetic process.
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