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...

biological membranes of plants. They encompass plant sterols and stanols. More than 250 sterols and related compounds have been identified. Free phytosterols...

plants, and animals. All steroids are manufactured in cells from the sterols lanosterol (opisthokonts) or cycloartenol (plants). Lanosterol and cycloartenol...

The enzyme sterol esterase (EC 3.1.1.13) catalyzes the reaction a sterol ester + H2O ⇌ {\displaystyle \rightleftharpoons } a sterol + a fatty acid This...

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...

Sterol regulatory element-binding transcription factor 1 (SREBF1) also known as sterol regulatory element-binding protein 1 (SREBP-1) is a protein that...

Sterol regulatory element-binding proteins (SREBPs) are transcription factors that bind to the sterol regulatory element DNA sequence TCACNCCAC. Mammalian...

Sterol regulatory element-binding protein 2 (SREBP-2) also known as sterol regulatory element binding transcription factor 2 (SREBF2) is a protein that...

enzymology, a sterol 3beta-glucosyltransferase (EC 2.4.1.173) is an enzyme that catalyzes the chemical reaction UDP-glucose + a sterol ⇌ {\displaystyle...

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 +...

β-Sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. It is a white,...

Sterol O-acyltransferase (also called Acyl-CoA cholesterol acyltransferase, Acyl-CoA cholesterin acyltransferase[citation needed] or simply ACAT) is an...

A sterol-sensing domain (SSD) is a protein domain which consists of 180 amino acids forming five transmembrane segments capable of binding sterol groups...

Sterol carrier proteins (also known as nonspecific lipid transfer proteins) is a family of proteins that transfer steroids and probably also phospholipids...

diacylglycerol-sterol O-acyltransferase (EC 2.3.1.73) is an enzyme that catalyzes the chemical reaction 1,2-diacyl-sn-glycerol + sterol ⇌ {\displaystyle...

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...

a sterol Chondrillasterol, a sterol Clerosterol, a sterol 7-Dehydrositosterol, a sterol Fucosterol, an algal sterol Isofucosterol, an algal sterol 24-Methylenelophenol...

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...

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...

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...

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...

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...

excretion of dietary sterols (including the phytosterol beta-sitosterol). Healthy persons absorb only about 5% of dietary plant sterols, but sitosterolemia...

In enzymology, a Delta24-sterol reductase (EC 1.3.1.72) is an enzyme that catalyzes the chemical reaction 5alpha-cholest-7-en-3beta-ol + NADP+ ⇌ {\displaystyle...

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...

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...

phosphatidylcholine---sterol O-acyltransferase (EC 2.3.1.43) is an enzyme that catalyzes the chemical reaction phosphatidylcholine + a sterol ⇌ {\displaystyle...

In enzymology, a Delta24(241)-sterol reductase (EC 1.3.1.71) is an enzyme that catalyzes the chemical reaction ergosterol + NADP+ ⇌ {\displaystyle \rightleftharpoons...

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...

hydrophilic groups such as phosphate in phospholipids. Steroids such as sterol are another major class of lipids. Carbohydrates are aldehydes or ketones...