| SRS | schizophrenic residual state; sex reassignment surgery; Silver-Russell syndrome; simple repeat seque... |
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| TBXAS | thromboxane A synthase |
| TMS | thalium myocardial scintigraphy; thread mate system; thymidilate synthase; trapezoidocephaly-multipl... |
| UMPS | uridine monophosphate synthase |
| UROS | uroporphyrinogen synthase |
| uridine diphosphate n-acetylmuramic acid | A nucleoside diphosphate sugar which is formed from udp-n-acetylglucosamine and phosphoenolpyruvate. It serves as the building block upon which peptidoglycan is formed. (12 Dec 1998) |
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| uridine diphosphate xylose | <chemical> The decarboxylation product of udpglucuronic acid, which is used for formation of the xylosides of seryl hydroxyl groups in mucoprotein synthesis. Also forms plant xylans. Chemical name: Uridine 5'-(trihydrogen diphosphate), P'-alpha-D-xylopyranosyl ester (12 Dec 1998) |
| 5-phosphoribose 1-diphosphate | 5-Phosphoribosyl 1-diphosphate;d-Ribose carrying a phosphate group on ribose carbon-5 and a pyrophosphate group on ribose carbon-1; an intermediate in the formation of the pyrimidine and purine nucleotides as well as NAD+. Synonym: 5-phosphoribose 1-diphosphate. Acronym: PRPP (05 Mar 2000) |
| fructose-1,6-diphosphate reductase | <enzyme> From bovine lens; reduces fructose-1,6-diphosphate to sorbitol-1,6-diphosphate in presence of NADH; 3 isoenzymes which copurify with lactate dehydrogenase isoenzymes Registry number: EC 1.1.1.- Synonym: fdp reductase (26 Jun 1999) |
| fructose-diphosphate aldolase | <enzyme> An enzyme of the lyase class that catalyses the cleavage of fructose 1,6-biphosphate to form dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. The enzyme also acts on (3s,4r)-ketose 1-phosphates. The yeast and bacterial enzymes are zinc proteins. (enzyme nomenclature, 1992) e.c. 4.1.2.13. Chemical name: D-Fructose-1,6-biphosphate D-glyceraldehyde-3-phosphate-lyase Registry number: EC 4.1.2.13 (12 Dec 1998) |
| 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) |