| carboxylic acids | Organic acids containing the carboxy (-cooh) group, including amino acids and fatty acids. Carboxylic acid is used both as a class name and a suffix. (12 Dec 1998) |
|---|---|
| carboxylic ester hydrolases | <enzyme> Enzymes which catalyze the hydrolysis of carboxylic acid esters with the formation of an alcohol and a carboxylic acid anion. Registry number: EC 3.1.1 (12 Dec 1998) |
| carboxyltransferases | Enzymes transferring carboxyl groups from one compound to another. Synonym: transcarboxylases. (05 Mar 2000) |
| carboxymethylcellulose | <chemical> Polycarboxymethyl ether of cellulose. It is used as an emulsifier, thickener, suspending agent, etc., in cosmetics and pharmaceuticals; in research as a culture medium; in chromatography as a stabiliser for reagents; and therapeutically as a bulk laxative with antacid properties. Pharmacological action: cathartic, pharmaceutic aid. Chemical name: Cellulose, carboxymethyl ether, sodium salt (12 Dec 1998) |
| carboxynorspermidine decarboxylase | <enzyme> Nspc protein isolated from vibrio alginolyticus; genbank d31783 Registry number: EC 4.1.1.- Synonym: cans dc, nspc gene product (26 Jun 1999) |
| carboxynorspermidine synthase | <enzyme> Catalyses reductive condensation of l-aspartic beta-saemialdehyde with diaminopropane to form carboxynorspermidine and water; requires NADPH Registry number: EC 1.5.1.- Synonym: c-nspd synthase, aspartic saemialdehyde-diaminopropane schiff base reductase (26 Jun 1999) |
| carboxypeptidase | <enzyme> Enzymes (particularly of pancreas) that remove the C terminal amino acid from a protein or peptide. Carboxypeptidase A, will remove any amino acid, carboxypeptidase B is specific for terminal lysine or arginine. (18 Nov 1997) |
| carboxypeptidase A | A hydrolase that releases C-terminal amino acids, with the exception of C-terminal arginyl, lysyl, and prolyl residues. A zinc-containing exopeptidase. (05 Mar 2000) |
| carboxypeptidase B | A hydrolase that releases C-terminal lysyl or arginyl residues preferentially. A zinc-containing exopeptidase. Synonym: protaminase. (05 Mar 2000) |
| carboxypeptidase C | See: serine carboxypeptidase. (05 Mar 2000) |
| carboxypeptidase G | N-Pteroyl-l-glutamate hydrolase;an enzyme cleaving l-glutamyl residues from pteridine oligoglutamates; used in certain antitumour treatments. Synonym: carboxypeptidase G, conjugase, gamma-glutamate (glutamate gamma-) carboxypeptidase. (05 Mar 2000) |
| carboxypeptidases | <enzyme> Registry number: EC 3.4. (12 Dec 1998) |
| carboxyphosphonoenolpyruvate phosphonomutase | <enzyme> Catalyses the rearrangement of the carboxyphosphono- group of carboxyphosphoenolpyruvate to form the c-p bond of phosphinopyruvate; an intermediate in the biosynthesis of the antibiotic bialaphos Registry number: EC 5.4.2.- Synonym: cpep phosphonomutase, carboxyphosphonoenolpyruvate mutase, cpep mutase, carboxyphosphonoenolpyruvate phosphomutase (26 Jun 1999) |
| carboxyphosphonoenolpyruvate synthase | <enzyme> Catalyses the transesterification between phosphoenolpyruvate and phosphonoformate in the bialaphos biosynthetic pathway; genbank d37878 Registry number: EC 4.2.1.- Synonym: cpep synthase (26 Jun 1999) |
| carboxysome | <cell biology> Inclusion body (polyhedral body, 90-500nm diameter) found in some Cyanobacteria and autotrophic bacteria, contains ribulose 1,5 bisphosphate carboxylase: RUBISCO and is involved in carbon dioxide fixation. Origin: Gr. Soma = body (18 Nov 1997) |