phosphatidylcholine

phosphatidylcholine

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phos·pha·ti·dyl·cho·line .fäs-fə-.tīd-əl-'kō-.lēn, (.)fäs-.fat-əd-əl- n LECITHIN

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n.

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phos·pha·ti·dyl·cho·line (PC) (fos″fə-ti″dəl-koґlēn) a phospholipid in which choline is attached to the phosphate group of phosphatidic acid by an ester linkage; it is a major component of cell membranes and is localized preferentially in the outer surface of the plasma membrane. Called also lecithin.

Medical dictionary. 2011.

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  • Phosphatidylcholine — Phosphatidylcholines (PC) are a class of phospholipids that incorporate choline as a headgroup. They are a major component of biological membranes and can be easily obtained from a variety of readily available sources such as egg yolk or soy… …   Wikipedia

  • Phosphatidylcholine — Fig 1. 1 exemple de phosphatidylcholine, la palmitoyl oleyl sn phosphatidylcholine. En général, une lécithine comporte un acide gras saturé et acide gras insaturé. La phosphatidylcholine est plus connue sous le nom lécithine ; cette… …   Wikipédia en Français

  • Phosphatidylcholine-retinol O-acyltransferase — In enzymology, a phosphatidylcholine retinol O acyltransferase (EC number|2.3.1.135) is an enzyme that catalyzes the chemical reaction:phosphatidylcholine + retinol [cellular retinol binding protein] ightleftharpoons 2 acylglycerophosphocholine + …   Wikipedia

  • Phosphatidylcholine-dolichol O-acyltransferase — In enzymology, a phosphatidylcholine dolichol O acyltransferase (EC number|2.3.1.83) is an enzyme that catalyzes the chemical reaction:3 sn phosphatidylcholine + dolichol ightleftharpoons 1 acyl sn glycero 3 phosphocholine + acyldolicholThus, the …   Wikipedia

  • Phosphatidylcholine-sterol O-acyltransferase — In enzymology, a phosphatidylcholine sterol O acyltransferase (EC number|2.3.1.43) is an enzyme that catalyzes the chemical reaction:phosphatidylcholine + a sterol ightleftharpoons 1 acylglycerophosphocholine + a sterol esterThus, the two… …   Wikipedia

  • Phosphatidylcholine synthase — In enzymology, a phosphatidylcholine synthase (EC number|2.7.8.24) is an enzyme that catalyzes the chemical reaction:CDP diacylglycerol + choline ightleftharpoons CMP + phosphatidylcholineThus, the two substrates of this enzyme are CDP… …   Wikipedia

  • Phosphatidylcholine desaturase — In enzymology, a phosphatidylcholine desaturase (EC number|1.3.1.35) is an enzyme that catalyzes the chemical reaction:1 acyl 2 oleoyl sn glycero 3 phosphocholine + NAD+ ightleftharpoons 1 acyl 2 linoleoyl sn glycero 3 phosphocholine + NADH +… …   Wikipedia

  • Phosphatidylcholine 12-monooxygenase — In enzymology, a phosphatidylcholine 12 monooxygenase (EC number|1.14.13.26) is an enzyme that catalyzes the chemical reaction:1 acyl 2 oleoyl sn glycero 3 phosphocholine + NADH + H+ + O2 ightleftharpoons 1 acyl 2 [(S) 12 hydroxyoleoyl] sn… …   Wikipedia

  • phosphatidylcholine — noun Date: 1954 lecithin …   New Collegiate Dictionary

  • phosphatidylcholine — phos·pha·ti·dyl·cho·line (fŏs fə tīd l kōʹlēn ) n. See lecithin.   [phosphate + ide + yl + choline.] * * * …   Universalium

  • phosphatidylcholine — noun A phospholipid containing choline. Syn: lecithin …   Wiktionary

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