| orotidylic acid decarboxylase | <enzyme> An enzyme that catalyses the conversion of OMP to UMP and CO2; a defect or inhibition of this enzyme will result in orotic aciduria and orotidinuria; this enzyme is a part of pyrimidine biosynthesis. Compare: uridylic acid synthase. Synonym: OMP decarboxylase. (05 Mar 2000) |
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| orotidylic acid | Orotidine 5'-monophosphate;an intermediate in the biosynthesis of the pyrimidine nucleosides (cytidine and uridine) that are found in nucleic acids. Synonym: orotidine 5'-monophosphate. (05 Mar 2000) |
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| orotidylic acid phosphorylase | <enzyme> The enzyme catalyzing the formation of orotidine-5'-phosphoric acid (orotidylic acid) from orotic acid and 5-phosphoribosyl-1-pyrophosphate in the course of pyrimidine nucleotide biosynthesis. Chemical name: Orotidine-5'-phosphate:pyrophosphate phospho-alpha-D-ribosyltransferase Registry number: EC 2.4.2.10 (12 Dec 1998) |
| orotidylic acid pyrophosphorylase | <enzyme> The enzyme catalyzing the formation of orotidine-5'-phosphoric acid (orotidylic acid) from orotic acid and 5-phosphoribosyl-1-pyrophosphate in the course of pyrimidine nucleotide biosynthesis. Chemical name: Orotidine-5'-phosphate:pyrophosphate phospho-alpha-D-ribosyltransferase Registry number: EC 2.4.2.10 (12 Dec 1998) |
| aromatic d-amino-acid 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) |
| phenylacrylic acid decarboxylase | <enzyme> Confers resistance to phenylacrylic acids in yeasts; enzyme from bacillus pumilus catalyses nonoxidative conversion of ferulic acid and p-coumaric acid to 4-vinylguaiacol and 4-vinylphenol, respectively; amino acid sequence in first source Registry number: EC 4.1.1.- Synonym: cinnamic acid decarboxylase, ferulate decarboxylase, pad1 gene product, ferulic acid decarboxylase, 4-coumarate decarboylase, p-coumarate decarboxylase (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) |
| adenosylmethionine decarboxylase | <enzyme> An enzyme that catalyses the decarboxylation of s-adenosyl-l-methionine to yield 5'-deoxy-(5'-),3-aminopropyl-(1), methylsulfonium salt. It is one of the enzymes responsible for the synthesis of spermidine from putrescine. Chemical name: S-Adenosyl-L-methionine carboxy-lyase Registry number: EC 4.1.1.50 (12 Dec 1998) |
| alpha-ketoarginine decarboxylase | <enzyme> Alpha-ketoarginine gives gamma-guanidinobutyraldehyde Registry number: EC 4.1.1.- Synonym: alpha keto-arginine decarboxylase (26 Jun 1999) |
| aspartate 1-decarboxylase | <enzyme> A pyridoxal-phosphate protein that catalyses the alpha-decarboxylation of l-glutamic acid to form gamma-aminobutyric acid and carbon dioxide. The enzyme is found in bacteria and in invertebrate and vertebrate nervous systems. It is the rate-limiting enzyme in determining gaba levels in normal nervous tissues. The brain enzyme also acts on l-cysteate, l-cysteine sulfinate, and l-aspartate. Chemical name: L-Glutamate-1-carboxy-lyase Registry number: EC 4.1.1.15 (12 Dec 1998) |
| aspartate 4-decarboxylase | Aspartate beta-decarboxylase;a carboxy-lyase converting l-aspartate to l-alanine (releasing CO2); it decarboxylates aminomalonate and (in bacteria) removes SO2 from cysteinesulfinate. See: desulfinase. (05 Mar 2000) |
| aspartate-alpha-decarboxylase | <enzyme> Forms beta-alanine Registry number: EC 4.1.1.11 Synonym: aspartate 1-decarboxylase (26 Jun 1999) |
| 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) |
| malonate saemialdehyde decarboxylase | <enzyme> Forms acetaldehyde and carbon dioxide Registry number: EC 4.1.1.- (26 Jun 1999) |
| glutaconyl CoA decarboxylase | <enzyme> Forms crotonyl CoA Registry number: EC 4.1.1.- Synonym: glutaconyl coenzyme a decarboxylase (26 Jun 1999) |