| UROS | uroporphyrinogen synthase |
|---|---|
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| UPG | uroporphyrinogen |
| UPS | ultraviolet photoelectron spectroscopy; uninterruptible power supply; uroporphyrinogen synthetase; u... |
| URO | urology; uroporphyrin; uroporphyrinogen; utilization review organization |
| URO-III-S | uroporphyrinogen III synthase |
|---|---|
| URO-D | Uroporphyrinogen decarboxylase |
| NO Synthase | nitric oxide synthase |
| iNOS | 1.Inducible NO synthase |
| HPS | 3-Hexulosephosphate synthase |
| uroporphyrinogen-III synthase | <enzyme> An enzyme that catalyses the cyclization of hydroxymethylbilane to yield uroporphyrinogen III and water. Chemical name: Hydroxymethylbilane hydro-lyase (cyclizing) Registry number: EC 4.2.1.75 (12 Dec 1998) |
|---|---|
| uroporphyrinogen | See: porphyrinogens. Uroporphyrinogen decarboxylase, an enzyme that participates in haem biosynthesis; it catalyses the decarboxylation of uroporphyrinogen III to produce coproporphyrinogen III; it also acts on uroporphyrinogen I; a deficiency of this enzyme will result in either porphyria cutanea tarda or hepatoerythropoietic porphyria. Uroporphyrinogen III cosynthase, an enzyme in haem biosynthesis that participates in the formation of uroporphyrinogen III; a deficiency of this protein results in congenital erythropoietic porphyria. (05 Mar 2000) |
| 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) |
| uroporphyrinogen I synthetase | <enzyme> An enzyme of haem biosynthesis that is defective in the inherited (autosomal dominant) disease, acute intermittent porphyria. UP I is isomerised to UP III by UP III synthetase, defective in the autosomal recessive disease, congenital erythropoietic porphyria. (18 Nov 1997) |
| abequose synthase | <enzyme> Converts cdp-4-keto-3,6-dideoxy-d-glucose to cdp-3,6-dideoxy-d-galactose (cdp-abequose); requires NADPH, analogous to udp-glucose-4-epimerase Registry number: EC 5.1.3.- Synonym: rfbj gene product (26 Jun 1999) |
| acetoacetyl-acyl carrier protein synthase | <enzyme> E coli enzyme, that catalyses condensation of malonyl-acyl carrier protein plus acetyl-acyl carrier protein; not inhibited by cerulenin Registry number: EC 2.3.1.- Synonym: acetoacetyl-acp synthase (26 Jun 1999) |
| acetolactate synthase | <enzyme> A flavoprotein that catalyses the formation of acetolactate from 2 moles of pyruvate in the biosynthesis of valine and the formation of acetohydroxybutyrate from pyruvate and alpha-ketobutyrate in the biosynthesis of isoleucine. Chemical name: Acetolactate pyruvate-lyase (carboxylating) Registry number: EC 4.1.3.18 (12 Dec 1998) |
| acridone synthase | <enzyme> Catalyses the condensation of n-methylanthraniloyl-CoA and 3 malonyl-CoA to produce 1,3-dihydroxy-n-methylacridone Registry number: EC 2.3.1.- (26 Jun 1999) |
| acyl-malonyl-ACP synthase | <enzyme> An enzyme condensing malonyl-ACP and acyl-cys-protein to 3-oxoacyl-ACP + cys-protein + CO2, and similar reactions, as steps in fatty acid synthesis; cys-protein is also a part of the fatty acid synthase complex. Synonym: acyl-malonyl-ACP synthase, beta-ketoacyl-ACP synthase. (05 Mar 2000) |
| adenylosuccinate synthase | <enzyme> A carbon-nitrogen ligase. During purine ribonucleotide biosynthesis, this enzyme catalyses the synthesis of adenylosuccinate from GTP, imp, and aspartate with the formation of orthophosphate and GDP. Chemical name: IMP:L-aspartate ligase (GDP-forming) Registry number: EC 6.3.4.4 (12 Dec 1998) |
| adenylylosuccinate synthase | <enzyme> A carbon-nitrogen ligase. During purine ribonucleotide biosynthesis, this enzyme catalyses the synthesis of adenylosuccinate from GTP, imp, and aspartate with the formation of orthophosphate and GDP. Chemical name: IMP:L-aspartate ligase (GDP-forming) Registry number: EC 6.3.4.4 (12 Dec 1998) |
| agropine synthase | <enzyme> Final enzyme in the three enzyme pathway for agropine synthesis; cyclises deoxymannityl-glutamine to the lactone, agropine Registry number: EC 4.2.1.- Synonym: ags gene product (26 Jun 1999) |
| alkylglycerone-phosphate synthase | <enzyme> Replaces the acyl moiety of acyldhap with a long chain fatty alcohol; intact alcohol including the oxygen atom is incorporated into alkyl-dhap Registry number: EC 2.5.1.26 Synonym: adhps, alkyl-dihydroxyacetone phosphate synthase, alkyl-dhap synthase, alkyldihydroxyacetone phosphate synthetase, acylglycerone-3-phosphate-long chain-alcohol o-3-phospho-2-oxopropanyl transferase, alkyldihydroxyacetonephosphate synthase (26 Jun 1999) |
| aminoadipic d-saemialdehyde synthase | <enzyme> A bifunctional enzyme used in lysine degradation; it has a lysine:alpha-ketoglutarate reductase activity as well as a saccharopine dehydrogenase activity. A deficiency of this enzyme results in familial hyperlysinaemia. (05 Mar 2000) |
| aminoadipic saemialdehyde synthase | <enzyme> Bifunctional enzyme with both lysine-ketoglutarate reductase (EC 1.5.1.8) and saccharopine dehydrogenase (EC 1.5.1.9) activities Registry number: EC 1.5.1.- Synonym: aasa synthase (26 Jun 1999) |
| uroporphyrinogen I synthase |
hydroxymethylbilane synthase.
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