| UDP-N-acetylglucosamine-N-acetylmuramyl-(pentapeptide)pyrophosphoryl-undecaprenol N-acetylglucosamine transferase | <enzyme> Found in cell envelope of E coli; catalyses the formation of undecaprenyl-pyrophosphoryl-murnac-(pentapeptide)glcnac (lipid intermediate II) from undecaprenyl-pyrophosphoryl-murnac-pentapeptide (lipid intermediate i) and udp-glcnac in peptidoglycan synthesis Registry number: EC 2.4.1.- Synonym: murg gene product, murg protein (26 Jun 1999) |
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| ketal pyruvate transferase | <enzyme> Involves the transfer of the pyruvyl residue from phosphoenolpyruvate to the external mannose of pentasaccharide diphosphate lipid Registry number: EC 2.3.1.- (26 Jun 1999) |
| 3-ketoacid-CoA transferase | <enzyme> An enzyme catalyzing the reversible conversion of acetoacetyl-CoA and succinate into succinyl-CoA and acetoacetate; malonyl-CoA can substitute for succinyl-CoA and a few other 3-oxo acids for the acetoacetate; an important step in order for the ketone bodies to serve as a fuel for extrahepatic tissues. Synonym: 3-ketoacid-CoA transferase, acetoacetyl-succinic thiophorase. (05 Mar 2000) |
| 3-oxoacid-CoA transferase | <enzyme> An enzyme catalyzing the reversible conversion of acetoacetyl-CoA and succinate into succinyl-CoA and acetoacetate; malonyl-CoA can substitute for succinyl-CoA and a few other 3-oxo acids for the acetoacetate; an important step in order for the ketone bodies to serve as a fuel for extrahepatic tissues. Synonym: 3-ketoacid-CoA transferase, acetoacetyl-succinic thiophorase. (05 Mar 2000) |
| 4-hydroxybutyrate CoA-transferase | <enzyme> Forms 4-hydroxybutyryl-CoA from 4-hydroxybutyrate and acetyl-CoA Registry number: EC 2.8.3.- Synonym: 4-hydroxybutyrate coenzyme a transferase (26 Jun 1999) |
| 4''-mycarosyl isovaleryl-coenzyme A transferase | <enzyme> Carries out 4"-o-acylation of macrolide antibiotic on the 4"-hydroxy moiety of mycarose; acyb1 isolated from streptomyces thermotolerans; amino acid sequence given in first source Registry number: EC 2.3.1.- Synonym: care protein, acyb1 protein, 4''-mycarosyl isovaleryl-CoA transferase (26 Jun 1999) |
| 5-hydroxyvalerate CoA-transferase | <enzyme> Catalyses the formation of 5-hydroxyvaleryl-CoA from 5-hydroxyvalerate and acetyl-CoA; also acts on propionate and 5-hydroxy-2-pentenoate Registry number: EC 2.8.3.- (26 Jun 1999) |
| formyl-coenzyme A transferase | <enzyme> From oxalbacter formigenes; has been sequenced; genbank u82167 Registry number: EC 2.8.3.- Synonym: formyl-CoA transferase, frc gene product (26 Jun 1999) |
| lecithin-cholesterol transferase | A plasma enzyme that catalyses the uptake of cholesterol esters by intermediate-density lipoproteins formed by high density lipoproteins. (05 Mar 2000) |
| fucosyl transferase | <enzyme> An enzyme catalysing the transfer of fucosyl residues from the nucleotide sugar GDP fucose. (18 Nov 1997) |
| active methyl | A methyl group attached to a quaternary ammonium ion or a tertiary sulfonium ion that can take part in transmethylation reactions; e.g., methyl groups in choline and in S-adenosyl-l-methionine, which are thus methyl donors. (05 Mar 2000) |
| aklanonic acid methyl ester cyclase | <enzyme> Catalyses the formation of aklaviketone from aklanonic acid methyl ester; involved in daunomycin biosynthesis; see also daunorubicin-doxorubicin polyketide synthase Registry number: EC 5.- Synonym: aame cyclase, daud protein, daud gene product, dnrd protein, dnrd gene product (26 Jun 1999) |
| alpha-(4-O-methyl)-D-glucuronidase | <enzyme> Removes 4-o-methyl-glucopyranosyl uronic acid residues from the 2-position of fungal cell wall xylans Registry number: EC 3.2.1.- Synonym: 4-o-methyl-glucuronidase (26 Jun 1999) |
| alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid | <chemical> Alpha-amino-2,3-dihydro-5-methyl-3-oxo-4-isoxazolepropanoic acid. An ibotenic acid homolog and glutamate agonist. The compound is the defining agonist for the ampa subtype of glutamate receptors (receptors, ampa). It has been used as a radionuclide imaging agent but is more commonly used as an experimental tool in cell biological studies. Pharmacological action: excitatory amino acid agonists. Chemical name: 4-Isoxazolepropanoic acid, alpha-amino-2,3-dihydro-5-methyl-3-oxo- (12 Dec 1998) |
| alpha methyl dopa | <drug> An antihypertensive drug, preferred in pregnant patients. (18 Nov 1997) |