| sterol delta-5 desaturase | <enzyme> Involved in ergosterol synthesis; do not confuse with delta5,7-sterol delta-7-reductase which is involved in cholesterol biosynthesis Registry number: EC 1.3.- Synonym: sterol c5-6 desaturase, c-5 sterol desaturase, erg3 gene product, delta(5,6) sterol desaturase, syr1 gene product, delta(7)-sterol-c-5-desaturase (26 Jun 1999) |
|---|---|
| Delta | Neurogenic locus in Drosophila. Gene product contains 9 repeats of the EGF like domain. (18 Nov 1997) |
| 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 14-sterol reductase | <enzyme> Reduces ignosterol to ergosterol; NADPH-dependent enzyme that catalyses the formal trans addition of hydrogen across the 14,15-pi bond in 8,14-sterol dienes; forms 4,4-dimethylzymosterol in lanosterol metabolism pathway from 4,4-dimethyl-5alpha-cholesta-8,14,25-trien-3beta-ol or from 4,4-dimethyl-cholesta-8,14,24-trienol; erg24 from saccharomyces cerevisiae Registry number: EC 1.3.1.- Synonym: ignosterol reductase, delta 8,14-sterol delta 14-reductase, 14,15-sterol reductase, delta 8,14-steroid 14-reductase, delta 14,15-reductase, sterol c-14 reductase, c-14 sterol reductase, erg24 gene product (26 Jun 1999) |
| delta-15 desaturase | <enzyme> Catalyses desaturation of glycerolipid-linked linoleic acid at position 15; has been sequenced; genbank u17063 Registry number: EC 1.14.99.- Synonym: delta(5)-desaturase (26 Jun 1999) |
| delta-1-piperideine-6-carboxylate dehydrogenase | <enzyme> From streptomyces clavuligerus and other cephamycin c-producing actinomycetes; converts delta-1-piperideine-6-carboxylate to alpha-aminoadipic acid Registry number: EC 1.5.1.- Synonym: p6c dehydrogenase (26 Jun 1999) |
| delta(1)-tetrahydrocannabinolic acid synthase | <enzyme> Catalyses the oxidocyclization of cannabigerolic acid without requiring molecular oxygen, coenzymes, or cofactors; n-terminal amino acid sequence given in first source Registry number: EC 5.3.- Synonym: delta(1)-thca synthase (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) |
| delta-22 sterol desaturase | <enzyme> Catalyses the formation of the sterol side delta-22-double bond from 23-hydroxysterols Registry number: EC 1.3.3.- Synonym: c-22 sterol desaturase, cyp61, cytochrome p-45061, sterol delta22-desaturase (26 Jun 1999) |
| delta 24-sterol methyltransferase | <enzyme> Substrate sterols may be replaced by specific sterol Registry number: EC 2.1.1.41 Synonym: s-adenosylmethionine zymosterol methyltransferase, s-adenosylmethionine-delta 24-sterol-c-methyltransferase, sterol c-24 s-adenosylmethionine methyltransferase, sed6 protein, erg6 protein, (s)-adenosyl-l-methionine-delta 24(25)-sterol methyltransferase (26 Jun 1999) |
| delta(5)-3 beta-hydroxysteroid dehydrogenase | <enzyme> Converts dehydroepiandrosterone to delta-4-androstene-3,17-dione Registry number: EC 1.1.1.- Synonym: dbhdase, 3 beta-hydroxy-5-ene-steroid dehydrogenase, steroid-delta(5)-3-ol dehydrogenase (26 Jun 1999) |
| delta agent | A rare form of viral transfusion hepatitis. A defective viral agent that occurs only in association with hepatitis B infection. The delta agent may also increase the severity of hepatitis B infection. Complications include chronic persistent hepatitis and fulminant hepatitis. A test known as anti-delta agent antibody is positive and used to confirm the diagnosis. Treatment is the same as for hepatitis B. (27 Sep 1997) |
| delta alcoholism | Jellinek's term for an advanced form of gamma alcoholism in which the individual has lost the ability to abstain from partaking of alcohol even for a brief period. (05 Mar 2000) |
| delta-(alpha-aminoadipyl)cysteinylvalinedisulfide reductase | <enzyme> Broad range disulfide reductase from streptomyces clavuligerus; requires NADPH; involved in the production of beta-lactam antibiotic such as penicillins and cephalosporins Registry number: EC 1.6.4.- Synonym: bis-acv reductase, delta-(-l-alpha-aminoadipyl)-l-cysteinyl-d-valine disulfide reductase, acv disulfide reductase (26 Jun 1999) |
| delta antigen | A defective virus, containing particles of RNA nucleoprotein in virion-like form, present in patients with acute hepatitis b and chronic hepatitis. Officially this is classified as a subviral satellite RNA (RNA, satellite). (12 Dec 1998) |