FAAH2
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FAAH2
Fatty acid amide hydrolase 2 or FAAH2 is a member of the serine hydrolase family of enzymes. Fatty acid amide hydrolase 2 degrades endocannabinoids and defects in this enzyme have been associated with neurologic and psychiatric disorders. See also * Fatty acid amide hydrolase Fatty acid amide hydrolase or FAAH (, oleamide hydrolase, anandamide amidohydrolase) is a member of the serine hydrolase family of enzymes. It was first shown to break down anandamide in 1993. In humans, it is encoded by the gene ''FAAH''.; Fun ... References {{Reflist External links Fatty acid amide hydrolase 2 (FAAH2) The Human Protein Atlas Integral membrane proteins ...
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Fatty Acid Amide Hydrolase
Fatty acid amide hydrolase or FAAH (, oleamide hydrolase, anandamide amidohydrolase) is a member of the serine hydrolase family of enzymes. It was first shown to break down anandamide in 1993. In humans, it is encoded by the gene ''FAAH''.; Function FAAH is an integral membrane hydrolase with a single ''N''-terminal transmembrane domain. ''In vitro'', FAAH has esterase and amidase activity. ''In vivo'', FAAH is the principal catabolic enzyme for a class of bioactive lipids called the fatty acid amides (FAAs). Members of the FAAs include: * Anandamide (''N''-arachidonoylethanolamine), an endocannabinoid * 2-arachidonoylglycerol (2-AG), an endocannabinoid. * Other ''N''-acylethanolamines, such as ''N''-oleoylethanolamine and ''N''-palmitoylethanolamine * The sleep-inducing lipid oleamide * The ''N''-acyltaurines, which are agonists of the transient receptor potential (TRP) family of calcium channels. ''FAAH'' knockout mice display highly elevated (>15-fold) levels of ''N'' ...
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Serine Hydrolase
Serine hydrolases are one of the largest known enzyme classes comprising approximately ~200 enzymes or 1% of the genes in the human proteome. A defining characteristic of these enzymes is the presence of a particular serine at the active site, which is used for the hydrolysis of substrates. The hydrolysis of the ester or peptide bond proceeds in two steps. First, the acyl part of the substrate (the acid part of an ester or the part of a peptide ending in a carboxyl group) is transferred to the serine, making a new ester or amide bond and releasing the other part of the substrate (the alcohol of an ester or the part of the peptide ending in an amino group) is released. Later, in a slower step, the bond between the serine and the acyl group is hydrolyzed by water or hydroxide ion, regenerating free enzyme. Unlike other, non-catalytic, serines, the reactive serine of these hydrolases is typically activated by a proton relay involving a catalytic triad consisting of the serine, an acidi ...
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Enzyme
Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products. Almost all metabolic processes in the cell need enzyme catalysis in order to occur at rates fast enough to sustain life. Metabolic pathways depend upon enzymes to catalyze individual steps. The study of enzymes is called ''enzymology'' and the field of pseudoenzyme analysis recognizes that during evolution, some enzymes have lost the ability to carry out biological catalysis, which is often reflected in their amino acid sequences and unusual 'pseudocatalytic' properties. Enzymes are known to catalyze more than 5,000 biochemical reaction types. Other biocatalysts are catalytic RNA molecules, called ribozymes. Enzymes' specificity comes from their unique three-dimensional structures. Like all catalysts, enzymes increase the reaction ra ...
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Endocannabinoid
Cannabinoids () are several structural classes of compounds found in the cannabis plant primarily and most animal organisms (although insects lack such receptors) or as synthetic compounds. The most notable cannabinoid is the phytocannabinoid tetrahydrocannabinol (THC) (delta-9-THC), the primary intoxicating compound in cannabis. Cannabidiol (CBD) is a major constituent of temperate Cannabis plants and a minor constituent in tropical varieties. At least 113 distinct phytocannabinoids have been isolated from cannabis, although only four (i.e., THCA, CBDA, CBCA and their common precursor CBGA) have been demonstrated to have a biogenetic origin. It was reported in 2020 that phytocannabinoids can be found in other plants such as rhododendron, licorice and liverwort, and earlier in Echinacea. Phytocannabinoids are multi-ring phenolic compounds structurally related to THC, but endocannabinoids are fatty acid derivatives. Nonclassical synthetic cannabinoids (cannabimimetics) include amin ...
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