| tryptophan decarboxylase | <enzyme> An enzyme that catalyses the decarboxylation of l-dopa to dopamine, of l-tryptophan to tryptamine, and of l-hydroxytryptophan to serotonin; important in the biosynthetic pathway of catecholamines and melanin. Synonym: dopa decarboxylase, hydroxytryptophan decarboxylase, tryptophan decarboxylase. (05 Mar 2000) |
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| tyrosine decarboxylase | <enzyme> A pyridoxal-phosphate protein that catalyses the conversion of l-tyrosine to tyramine and carbon dioxide. The bacterial enzyme also acts on 3-hydroxytyrosine and, more slowly, on 3-hydroxyphenylalanine. Chemical name: L-Tyrosine carboxy-lyase Registry number: EC 4.1.1.25 (12 Dec 1998) |
| uroporphyrinogen decarboxylase | <enzyme> One of the enzymes active in haem biosynthesis. It catalyses the decarboxylation of uroporphyrinogen III to coproporphyrinogen III by the conversion of four acetic acid groups to four methyl groups. Chemical name: Uroporphyrinogen-III carboxy-lyase Registry number: EC 4.1.1.37 (12 Dec 1998) |
| 2,4-diaminobutyrate decarboxylase | <enzyme> Has significant similarity to other pyridoxal phosphate- dependent decarboxylases; partial amino acid sequence of enzyme from acinetobacter baumannii given in first source Registry number: EC 4.1.1.- Synonym: daba-dc, ddc gene product (26 Jun 1999) |
| 2,4-diaminobutyric acid decarboxylase | <enzyme> From vibrio alginolyticus; decarboxylates 2,4-diaminobutyric acid to 1,3-diaminopropane Registry number: EC 4.1.1.- Synonym: 2,4-daba decarboxylase, l-2,3-diaminobutyrate decarboxylase (26 Jun 1999) |
| lactic acid oxidative decarboxylase | A flavoprotein oxidoreductase catalyzing oxidation (with O2) of l-lactate to acetate plus CO2 and water. Synonym: lactic acid oxidative decarboxylase. (05 Mar 2000) |
| 2-hydroxy-3-carboxy-6-oxo-7-methylocta-2,4-dienoate decarboxylase | <enzyme> Catalyses conversion of 2-hydroxy-3-carboxy-6-oxo-7-methylocta-2,4-dienoate to 2-hydroxy-6-oxo-7-methylocta-2,4-dienoate; enzyme d of p-cumate catabolic pathway in pseudomonas putida Registry number: EC 4.1.1.- Synonym: cmtd gene product (26 Jun 1999) |
| 2-oxoglutarate decarboxylase | <enzyme> Requires thiamine diphosphate; amino acid sequence of enzyme from euglena gracilis has been determined Registry number: EC 4.1.1.71 Synonym: alpha-ketoglutarate decarboxylase (26 Jun 1999) |
| 3,4-dihydroxybenzoate decarboxylase | <enzyme> Catalyses the conversion of catechol to 3,4-dihydroxybenzoate; an oxygen-sensitive, reversible enzyme; isolated from clostridium hydroxybenzoicum Registry number: EC 4.1.1.63 (26 Jun 1999) |
| 4-hydroxybenzoate decarboxylase | <enzyme> Aromatic-dependent decarboxylase which provides growth-essential co2 equivalents for the acetogenic (wood) pathway of clostridium thermoaceticum Registry number: EC 4.1.1.- Synonym: phenol carboxylase (26 Jun 1999) |
| 5-oxopent-3-ene-1,2,5-tricarboxylate decarboxylase | <enzyme> Yields 2-hydroxyhepta-2,4-diene-1,7-dioate; exists as a bifunctional enzyme with 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase in the homoprotocatechuate degradative pathway of E coli Registry number: EC 4.1.1.68 Synonym: 5-cohed decarboxylase, 5-carboxymethyl-2-oxo-hex-3-ene-1,6-dioate decarboxylase, opet decarboxylase (26 Jun 1999) |
| 6-methylsalicylate decarboxylase | <enzyme> Chemical name: 6-methylsalicylic acid (2,6-cresotic acid) decarboxylase Registry number: EC 4.1.1.52 (26 Jun 1999) |
| L-tartrate decarboxylase | <enzyme> Nad+ dependent enzyme; catalyses the decarboxylation of l-tartrate in pseudomonas sp. Group ve-2 forming glyceric acid and co2 via enzyme-bound oxaloglycolate Registry number: EC 4.1.1.- (26 Jun 1999) |
| lysine decarboxylase | <enzyme> Do not confuse with cada atpase Registry number: EC 4.1.1.18 Synonym: cad a gene product, cada lysine decarboxylase (26 Jun 1999) |
| aberrant complex | An anomalous electrocardiographic complex, more specifically an abnormal ventricular complex caused by abnormal intraventricular conduction of a supraventricular impulse. (05 Mar 2000) |