• Thumbnail for Sterol
    Sterol is an organic compound with formula C 17H 28O, whose molecule is derived from that of gonane by replacement of a hydrogen atom on C3 position by...
    9 KB (807 words) - 10:37, 31 October 2024
  • Thumbnail for Phytosterol
    Phytosterol (redirect from Plant sterol)
    biological membranes of plants. They encompass plant sterols and stanols. More than 250 sterols and related compounds have been identified. Free phytosterols...
    33 KB (3,590 words) - 16:39, 29 June 2024
  • Sterol esters are a heterogeneous group of chemical compounds. They are created when the hydroxyl group of a sterol and a fatty acid undergo an esterification...
    2 KB (278 words) - 19:57, 10 December 2023
  • Thumbnail for Steroid
    Steroid (redirect from Sterol biosynthesis)
    plants, and animals. All steroids are manufactured in cells from the sterols lanosterol (opisthokonts) or cycloartenol (plants). Lanosterol and cycloartenol...
    83 KB (8,473 words) - 15:54, 30 October 2024
  • The enzyme sterol esterase (EC 3.1.1.13) catalyzes the reaction a sterol ester + H2O ⇌ {\displaystyle \rightleftharpoons } a sterol + a fatty acid This...
    2 KB (214 words) - 05:54, 23 September 2024
  • Thumbnail for Sterol regulatory element-binding protein
    Sterol regulatory element-binding proteins (SREBPs) are transcription factors that bind to the sterol regulatory element DNA sequence TCACNCCAC. Mammalian...
    18 KB (2,125 words) - 00:15, 27 December 2023
  • Δ7-sterol 5(6)-desaturase (EC 1.14.19.20) is an enzyme that catalyzes the chemical reaction Δ7-sterol + 2 ferrocytochrome b5 + O2 + 2 H+ = Δ5,7-sterol +...
    5 KB (435 words) - 16:23, 26 August 2023
  • enzymology, a sterol 3beta-glucosyltransferase (EC 2.4.1.173) is an enzyme that catalyzes the chemical reaction UDP-glucose + a sterol ⇌ {\displaystyle...
    3 KB (298 words) - 18:26, 23 January 2024
  • Thumbnail for Sterol regulatory element-binding protein 1
    Sterol regulatory element-binding transcription factor 1 (SREBF1) also known as sterol regulatory element-binding protein 1 (SREBP-1) is a protein that...
    18 KB (2,147 words) - 10:39, 25 July 2024
  • Thumbnail for C-5 sterol desaturase
    C-5 sterol desaturase (also known as sterol C-5 desaturase and C5SD) is an enzyme that is highly conserved among eukaryotes and catalyzes the dehydrogenation...
    14 KB (1,677 words) - 14:51, 20 April 2023
  • A sterol-sensing domain (SSD) is a protein domain which consists of 180 amino acids forming five transmembrane segments capable of binding sterol groups...
    3 KB (370 words) - 20:29, 11 September 2020
  • Thumbnail for CYP27A1
    is a gene encoding a cytochrome P450 oxidase, and is commonly known as sterol 27-hydroxylase. This enzyme is located in many different tissues where it...
    11 KB (1,377 words) - 05:00, 15 December 2023
  • diacylglycerol-sterol O-acyltransferase (EC 2.3.1.73) is an enzyme that catalyzes the chemical reaction 1,2-diacyl-sn-glycerol + sterol ⇌ {\displaystyle...
    2 KB (221 words) - 21:41, 21 June 2024
  • Thumbnail for Sterol carrier protein
    Sterol carrier proteins (also known as nonspecific lipid transfer proteins) is a family of proteins that transfer steroids and probably also phospholipids...
    2 KB (195 words) - 18:07, 12 August 2023
  • Thumbnail for Lanosterol 14 alpha-demethylase
    14α-demethylase is responsible for an essential step in the biosynthesis of sterols. In particular, this protein catalyzes the removal of the C-14α-methyl...
    10 KB (1,066 words) - 05:53, 15 December 2023
  • a sterol Chondrillasterol, a sterol Clerosterol, a sterol 7-Dehydrositosterol, a sterol Fucosterol, an algal sterol Isofucosterol, an algal sterol 24-Methylenelophenol...
    649 bytes (99 words) - 05:18, 28 February 2022
  • Thumbnail for Β-Sitosterol
    β-sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. It is a white,...
    14 KB (1,387 words) - 18:29, 15 September 2024
  • Thumbnail for Eukaryote
    old. In contrast, a molecular clock analysis suggests the emergence of sterol biosynthesis as early as 2.3 billion years ago. The nature of steranes as...
    61 KB (6,102 words) - 11:22, 19 October 2024
  • Thumbnail for Lipid
    Lipid (section Sterols)
    Lipids are a broad group of organic compounds which include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides...
    71 KB (7,373 words) - 18:28, 13 September 2024
  • phosphatidylcholine---sterol O-acyltransferase (EC 2.3.1.43) is an enzyme that catalyzes the chemical reaction phosphatidylcholine + a sterol ⇌ {\displaystyle...
    3 KB (208 words) - 15:22, 26 August 2023
  • Thumbnail for Sterol regulatory element-binding protein 2
    Sterol regulatory element-binding protein 2 (SREBP-2) also known as sterol regulatory element binding transcription factor 2 (SREBF2) is a protein that...
    11 KB (1,450 words) - 23:13, 7 April 2022
  • In enzymology, a Delta14-sterol reductase (EC 1.3.1.70) is an enzyme that catalyzes the chemical reaction 4,4-dimethyl-5alpha-cholesta-8,24-dien-3beta-ol...
    2 KB (195 words) - 13:46, 26 August 2023
  • Sterol O-acyltransferase (also called Acyl-CoA cholesterol acyltransferase, Acyl-CoA cholesterin acyltransferase[citation needed] or simply ACAT) is an...
    11 KB (1,219 words) - 15:53, 26 August 2023
  • In enzymology, a sterol 24-C-methyltransferase (EC 2.1.1.41) is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + 5alpha-cholesta-8...
    4 KB (389 words) - 15:53, 26 August 2023
  • Thumbnail for Cholesterol
    Cholesterol (category Sterols)
    Cholesterol is the principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils...
    80 KB (8,640 words) - 20:17, 27 October 2024
  • In enzymology, a Delta24(241)-sterol reductase (EC 1.3.1.71) is an enzyme that catalyzes the chemical reaction ergosterol + NADP+ ⇌ {\displaystyle \rightleftharpoons...
    2 KB (188 words) - 13:46, 26 August 2023
  • Thumbnail for Stanol ester
    foods supplemented with plant sterol esters reduce cardiovascular events. They are used in food products such as Benecol. Sterol esters can also be used for...
    16 KB (1,875 words) - 11:21, 13 December 2023
  • Thumbnail for Oxysterol-binding protein
    lipid transfer proteins (LTPs). Concretely, they constitute a family of sterol and phosphoinositide binding and transfer proteins in eukaryotes that are...
    21 KB (2,071 words) - 17:05, 29 September 2024
  • Thumbnail for SREBP cleavage-activating protein
    Sterol regulatory element-binding protein cleavage-activating protein, also known as SREBP cleavage-activating protein or SCAP, is a protein that in humans...
    10 KB (1,284 words) - 01:51, 11 December 2023
  • In enzymology, a triacylglycerol---sterol O-acyltransferase (EC 2.3.1.77) is an enzyme that catalyzes the chemical reaction triacylglycerol + a 3beta-hydroxysterol...
    2 KB (127 words) - 16:05, 26 August 2023