| 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) |
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| 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) |
| aminodeoxychorismate synthase | <enzyme> From E coli; probably catalyses the conversion of chorismate to 4-amino-4-deoxychorismate; see also paba protein Registry number: EC 2.6.1.- Synonym: pabb gene product, adc synthase (26 Jun 1999) |
| amylopectin synthase | <enzyme> From eimeria tenella; catalyses udpglucose alpha 1,4-glucan alpha-4-glucosyltransferase forming amylopectin, similar to glycogen synthase in eukaryotes Registry number: EC 2.4.1.- (26 Jun 1999) |
| anthranilate synthase | <enzyme> An enzyme that catalyses the formation of anthranilate (o-aminobenzoate) and pyruvic acid from chorismate and glutamine. Anthranilate is the biosynthetic precurser of tryptophan and numerous secondary metabolites, including inducible plant defense compounds. Chemical name: Chorismate pyruvate-lyase (amino-accepting) Registry number: EC 4.1.3.27 (12 Dec 1998) |
| arachidonoylethanolamide synthase | <enzyme> Enzyme from rabbit cerebral cortex is coenzyme a- and ATP-independent Registry number: EC 3.5.1.- Synonym: arachidonylethanolamide synthase, anandamide synthase, anandamide amidase (26 Jun 1999) |
| argininosuccinate synthase | <enzyme> An enzyme of the urea cycle that catalyses the formation of argininosuccinic acid from citrulline and aspartic acid in the presence of ATP. Absence or defect of this enzyme causes the metabolic disease citrullinaemia in man. Chemical name: L-Citrulline:L-aspartate ligase (AMP-forming) Registry number: EC 6.3.4.5 (12 Dec 1998) |
| aristolochene synthase | <enzyme> Catalyses the cyclization of trans, trans-farnesyl pyrophosphate to aristolochene; from penicillium roqueforti Registry number: EC 5.- (26 Jun 1999) |
| ATP synthase | <enzyme> An enzyme that catalyses the conversion of phosphate and ADP into ATP during oxidativephosphorylation in mitochondriaand bacteria or photophosphorylationin chloroplasts. (09 Oct 1997) |
| bacteriochlorophyll a synthase | <enzyme> Catalyses esterification of bacteriochlorophyllide with phytol; isolated from e. Coli Registry number: EC 6.1.- Synonym: bchg gene product (26 Jun 1999) |