| glycin | <physiology> Same as Glycocoll. Origin: Gr. Glykys sweet. Source: Websters Dictionary (01 Mar 1998) |
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| glycinamide ribonucleotide | An intermediate in purine biosynthesis, in which the amide N of glycineamide is linked to the C-1 of a ribosyl moiety. (05 Mar 2000) |
| glycinate | 1. A salt of glycine. 2. Glycine anion. (05 Mar 2000) |
| glycine | <amino acid, physiology> The simplest amino acid. It is a common residue in proteins, especially collagen and elastin and is not optically active. It is also a major inhibitory neurotransmitter in spinal cord and brainstem of vertebrate central nervous system. (18 Nov 1997) |
| glycine acyltransferase | <enzyme> An enzyme catalyzing the reversible transfer of an acyl group from acyl-CoA to glycine, producing free coenzyme A and N-acylglycine; a step in a detoxification pathway. (05 Mar 2000) |
| glycine agents | Substances used for their pharmacological actions on glycinergic systems. Glycinergic agents include agonists, antagonists, degradation or uptake inhibitors, depleters, precursors, and modulators of receptor function. (12 Dec 1998) |
| glycine amidinotransferase | <enzyme> An enzyme catalyzing the transfer of an amidine group from l-arginine to glycine, forming guanidinoacetate and l-ornithine; an important reaction in creatine synthesis; it can also act on canavanine. Synonym: glycine transamidinase. (05 Mar 2000) |
| glycine betaine | <chemical> A derivative of glycine characterised by high water solubility. Can function as an osmotic agent in plant tissues. See: biogenic amines. (18 Nov 1997) |
| glycine cleavage complex | A complex of several proteins that catalyze the reversible reaction of glycine with tetrahydrofolate to produce CO2, NH3, and N5,N10-methylenetetrahydrofolate; a deficiency of this enzyme (or one of its subunits) will result in nonketotic hyperglycinaemia. Synonym: glycine synthase. (05 Mar 2000) |
| glycine dehydrogenase | Enzymes that catalyze the conversion of glycine to glyoxylate and ammonia, using either NAD+ or ferricytochrome c. (05 Mar 2000) |
| glycine hydroxymethyltransferase | <enzyme> A pyridoxal phosphate enzyme that catalyses the reaction of glycine and 5,10-methylene-tetrahydrofolate to form serine. It also catalyses the reaction of glycine with acetaldehyde to form l-threonine. Chemical name: 5,10-Methylenetetrahydrofolate:glycine hydroxymethyltransferase Registry number: EC 2.1.2.1 (12 Dec 1998) |
| glycine methyltransferase | <enzyme> Liver protein sediments in the 4-s region of sucrose gradients; binds to benzo(a)pyrene and to folate Registry number: EC 2.1.1.20 Synonym: glycine n-methyltransferase, carcinogen-binding protein, 4s carcinogen-binding protein, 4-s carcinogen-binding protein, 4s polycylic aromatic hydrocarbon-binding protein, 4s pah-binding protein, pah-binding protein (26 Jun 1999) |
| glycine receptor | <physiology> Chloride channel forming receptor. One of a family of neurotransmitter receptors with fast intrinsic ion channels. See: amino acid receptors. (18 Nov 1997) |
| glycine reductase | <enzyme> Glycine is reductively deaminated to acetate and ammonia by a complex requiring a dithiol and synthesizing ATP Registry number: EC 1.4.1.- (26 Jun 1999) |
| glycine synthase | A complex of several proteins that catalyze the reversible reaction of glycine with tetrahydrofolate to produce CO2, NH3, and N5,N10-methylenetetrahydrofolate; a deficiency of this enzyme (or one of its subunits) will result in nonketotic hyperglycinaemia. Synonym: glycine synthase. (05 Mar 2000) |