| fatty | Containing fat, or having the qualities of fat; greasy; gross; as, a fatty substance. <medicine> Fatty acid, a tumour consisting of fatty or adipose tissue; lipoma. Source: Websters Dictionary (01 Mar 1998) |
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| fatty acid | <biochemistry> Any number of saturated aliphatic monocarboxylic acids. A metabolic byproduct from the breakdown of fats. Chemically R COOH where R is an aliphatic moiety. The common fatty acids of biological origin are linear chains with an even number of carbon atoms. Free fatty acids are present in living tissues at low concentrations. The esterified forms are important both as energy storage molecules and structural molecules. See: triglycerides, phospholipids. (15 Nov 1997) |
| fatty acid 2-chloroethyl ester synthase | <enzyme> Catalyses the formation of 2-chloroethyl esters of long-chain fatty acids; localised in the microsomal fraction of rat liver Registry number: EC 2.3.1.- Synonym: facees, 2-chloroethyl ester synthase (26 Jun 1999) |
| fatty acid binding protein | A fatty acid-binding protein that participates in the intracellular movement of fatty acids. Synonym: fatty acid binding protein. (05 Mar 2000) |
| fatty acid binding proteins | <biochemistry> Group of small cytosolic proteins that bind fatty acids or other organic solutes. (18 Nov 1997) |
| fatty acid desaturases | <enzyme> Enzymes that catalyze the conversion of saturated fatty acid CoA complexes to unsaturated fatty acid CoA complexes in the presence of any acceptor. Registry number: EC 1.14.99.- (12 Dec 1998) |
| fatty acid methyltransferase | <enzyme> Catalyses the reaction of s-adenosylmethionine and a fatty acid to yield s-adenosylhomocysteine and a fatty acid methyl ester; calcium and calmodulin insensitive Registry number: EC 2.1.1.15 (26 Jun 1999) |
| fatty acid oxidation cycle | A series of reactions involving acyl-coenzyme A compounds, whereby these undergo beta oxidation and thioclastic cleavage, with the formation of acetyl-coenzyme A; the major pathway of fatty acid catabolism in living tissue. (05 Mar 2000) |
| fatty acid reductase | <enzyme> Catalyses reduction of fatty acids to aldehydes Registry number: EC 1.2.1.- (26 Jun 1999) |
| fatty acid synthase complex | The multienzyme complex that catalyses the formation of palmitate from acetylcoenzyme A, malonylcoenzyme A, and NADPH. (05 Mar 2000) |
| fatty acid synthetase complex | <enzyme> Registry number: EC 6.- (12 Dec 1998) |
| fatty acid thiokinase | Long chain: long-chain fatty acid-CoA ligase, medium chain: butyrate-CoA ligase. (05 Mar 2000) |
| fatty acids | Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (fatty acids, unsaturated). (12 Dec 1998) |
| fatty acids, essential | Fatty acids that cannot be synthesised by the human body and must be obtained from dietary sources, e.g., linoleic acids and linolenic acids. (12 Dec 1998) |
| fatty acids, monounsaturated | Fatty acids which are unsaturated in only one position. (12 Dec 1998) |
| activated fatty acid | A fatty acyl-coenzyme A thiol ester. (05 Mar 2000) |
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| branched-chain fatty-acid-kinase | <enzyme> From anaerobic spirochete ma-2 Registry number: EC 2.7.2.14 Synonym: isovalerate kinase, 2-methylbutyrate kinase, isobutyrate kinase (26 Jun 1999) |
| branched-chain fatty acid synthetase | <enzyme> Analogous to fatty acid synthetase complex but starting with a branched chain keto acid; from bacillis subtilis Registry number: EC 2.3.1.- Synonym: bcfa synthetase (26 Jun 1999) |
| volatile fatty acid number | An index of the volatile acid content of a fat; the number of milliliters of 0.1 n KOH required to neutralise the soluble volatile fatty acids in 5 g of fat that has been saponified, acidified to liberate the fatty acids, and then steam-distilled. Synonym: volatile fatty acid number. (05 Mar 2000) |
| monounsaturated fatty acids | A fatty acid chain with at least two empty spaces that could be hydrogenated (have a hydrogen atom added). Saturated (hydrogenated) fatty acids are a greater health risk for the development of atherosclerotic vascular disease. (27 Sep 1997) |
| polyenoic fatty acid isomerase | <enzyme> Catalyses conversion of arachidonic acid and 5,8,11,14,17-eicosapentaenoic acid to 5,7,9,14-eicosatetraenoic acid and 5,7,9,14,17-eicosapentaenoic acid, respectively Registry number: EC 5.3.3.- Synonym: pfi enzyme (26 Jun 1999) |
| saturated fatty acid | A fatty acid, the carbon chain of which contains no ethylenic or other unsaturated linkages between carbon atoms (e.g., stearic acid and palmitic acid); called saturated because it is incapable of absorbing any more hydrogen. (05 Mar 2000) |
| saturated fatty acids | In eukaryotic membranes refers to stearic, palmitic and myristic acids, that are linear aliphatic chains with no double bonds. Prokaryotes have numerous branched chain saturated fatty acids. (18 Nov 1997) |
| xenobiotic medium chain fatty acid - coenzyme A ligase | <enzyme> Partial amino acid sequence of enzyme from bovine liver mitochondria given I first source; has high sequence homology to human and rat sa protein Registry number: EC 6.2.1.- Synonym: xl-i ligase, xl-i carboxylic acid - CoA ligase (26 Jun 1999) |
| delta-13 fatty acid desaturase | <enzyme> Involved in sex pheromone biosynthesis from palmitic acid in the moth thaumetopoea pityocampa, acts in conjunction with an 11-desaturase Registry number: EC 1.14.99.- Synonym: delta-13 desaturase (26 Jun 1999) |
| delta-22 fatty acid desaturase | <enzyme> Involved in ergosterol biosynthesis Registry number: EC 1.14.99.- Synonym: ergosta-5,7-dien-3 beta-ol delta-22 desaturase (26 Jun 1999) |
| diethenoid fatty acid | A fatty acid containing two double bonds, e.g., linoleic acid. (05 Mar 2000) |
| omega-3 fatty acid desaturase | <enzyme> Catalyses desaturation of the omega-3 carbon (3rd from free end) of c-18 fatty acids; deficiency results in accumulation of linoleic acid (18:2omega6,9) at the expense of linolenic acid (18:3omega3,6,9); amino acid sequence given in first source Registry number: EC 1.14.99.- Synonym: fad3 gene product, omega-3 desaturase (26 Jun 1999) |
| omega 3 fatty acids | A class of fatty acids that have a double bond three carbons from the methyl moiety; reportedly, they play a role in lowering cholesterol and LDL levels. Synonym: omega-3 fatty acids. (05 Mar 2000) |
| essential fatty acid | <biochemistry> The three fatty acids required for growth in mammals, arachidonic, linolenic and linoleic acids. Only linoleic acid needs to be supplied in the diet, the other two can be made from it. (18 Nov 1997) |