| UPS | ultraviolet photoelectron spectroscopy; uninterruptible power supply; uroporphyrinogen synthetase; u... |
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| VARS | valyl-transfer ribonucleic acid synthetase |
| ferrichrome synthetase | <enzyme> Synthesises ferrichrome; from aspergillus quadricinctus Registry number: EC 6.3.2.- (26 Jun 1999) |
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| kyotorphin synthetase | <enzyme> Found in brain synaptosomes; catalyses the formation of kyotorphin and pyrophosphate from tyrosine, arginine and ATP in the presence of mgcl2 Registry number: EC 6.3.2.- Synonym: tyrosine-arginine synthetase, tyr-arg synthetase (26 Jun 1999) |
| 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) |
| flavanone synthetase | <enzyme> Forms naringenin and eriodictytol from malonyl-CoA and p-coumaroyl-CoA or malonyl-CoA + caffeoyl-CoA, respectively Registry number: EC 2.3.1.74 Synonym: chalcone synthase, narigenin-chalcone synthase (26 Jun 1999) |
| 10-formyltetrahydropteroyldiglutamic acid synthetase | <enzyme> Requires ATP; adds glutamate to 10-formyltetrahydropteroylglutamaic acid Registry number: EC 6.3.2.- Synonym: fhpdg synthetase, n(10)fh(4)pglu synthetase (26 Jun 1999) |
| 2',5'-oligoadenylate synthetase | <enzyme> An enzyme that catalyses the conversion of ATP into a series of (2'-5') linked oligoadenylates and pyrophosphate in the presence of double-stranded RNA. These oligonucleotides activate an endoribonuclease (rnase l) which cleaves single-stranded RNA. Interferons can act as inducers of these reactions. Registry number: EC 2.7.7.- (12 Dec 1998) |
| 3',5'-cyclic AMP synthetase | <enzyme> Enzyme responsible for the ATP. (06 May 1997) |
| 3-ketodihydrosphingosine synthetase | <enzyme> Serine and palmitoyl-CoA yields 3-ketodihydrosphingosine and co2 Registry number: EC 4.1.3.- (26 Jun 1999) |
| 3-ketosphinganine synthetase | <enzyme> Palmitoyl-CoA and serine gives 3-ketosphinganine, carbon dioxide and CoA; a pyridoxal phosphate enzyme; uses ATP Registry number: EC 6.4.- Synonym: 3-ketosphinganine synthase (26 Jun 1999) |
| 4-(4'-hydroxy-3'-methylbut-2'-enyl)-L-tryptophan synthetase | <enzyme> Enzymatic synthesis of above cpd from isopentenylpyrophosphate and tryptophan Registry number: EC 6.- (26 Jun 1999) |
| 4-methyleneglutamine synthetase | <enzyme> Catalyses synthesis of 4-methyleneglutamine from 4-methyleneglutamic acid + nh3 in germinating peanuts Registry number: EC 6.3.1.7 Synonym: 4-methyleneglutamate - ammonia ligase (26 Jun 1999) |
| 5,10-methenyltetrahydrofolate synthetase | <enzyme> Chemical name: 5-formyltetrahydrofolate cyclo-ligase (ADP-forming) Registry number: EC 6.3.3.2 Synonym: 5,10-mthf synthetase, 5-formyl tetrahydrofolate cyclodehydrase, 5-formyltetrahydrofolate cyclo-ligase (26 Jun 1999) |
| 5-aminolevulinate synthetase | <enzyme> An enzyme of the transferase class that catalyses condensation of the succinyl group from succinyl coenzyme a with glycine to form delta-aminolevulinate. It is a pyridoxyl phosphate protein and the reaction occurs in mitochondria as the first step of the haem biosynthetic pathway. The enzyme is a key regulatory enzyme in haem biosynthesis and, in liver at least, is feedback inhibited by haem. Chemical name: Succinyl-CoA:glycine C-Succinyltransferase (decarboxylating) Registry number: EC 2.3.1.37 (12 Dec 1998) |
| 5-dehydroquinate synthetase | <enzyme> Requires nad and ATP Registry number: EC 4.6.1.- (26 Jun 1999) |
| 5-hydroxy-N-methylpyroglutamic acid synthetase | <enzyme> Methylamine plus alpha-ketoglutarate gives 5-hydroxy-n-methylpyroglutamic acid Registry number: EC 4.2.1.- (26 Jun 1999) |