Nomenclature Committee of the International Union of Biochemistry and Molecular Biology (NC-IUBMB)

Enzyme Nomenclature

Supplement 10 (2004)

The following documents with additions and amendments to Enzyme Nomenclature have been approved after public review:

New enzymes (February 2004, approved April 2004)
New enzymes (May 2004, approved June 2004)
New enzymes (September 2004, approved November 2004) Minor changes
An asterisk before 'EC' indicates that this is an amendment to an existing enzyme rather than a new enzyme entry.


*EC quinate dehydrogenase
*EC shikimate dehydrogenase
*EC homoisocitrate dehydrogenase
EC identical to EC
EC now EC
EC GDP-4-dehydro-6-deoxy-D-mannose reductase
EC quinate/shikimate dehydrogenase
EC now EC
*EC quinate dehydrogenase (pyrroloquinoline-quinone)
EC pyranose dehydrogenase (acceptor)
EC 2-oxoacid reductase
EC glutamyl-tRNA reductase
*EC aldehyde oxidase
*EC indole-3-acetaldehyde oxidase
EC aldehyde dehydrogenase (FAD-independent)
*EC 1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate dehydrogenase
*EC precorrin-6A reductase
EC now EC
*EC 2'-hydroxydaidzein reductase
EC precorrin-2 dehydrogenase
EC anthocyanidin reductase
EC coproporphyrinogen dehydrogenase
EC now EC
*EC 1,2-dehydroreticulinium reductase (NADPH)
*EC methylenetetrahydromethanopterin dehydrogenase
*EC 5,10-methylenetetrahydromethanopterin reductase
*EC 2-hydroxy-1,4-benzoquinone reductase
EC thiosulfate dehydrogenase (quinone)
EC peroxiredoxin
*EC 5,10-methenyltetrahydromethanopterin hydrogenase
*EC Renilla-luciferin 2-monooxygenase
EC Oplophorus-luciferin 2-monooxygenase
*EC flavanone 3-dioxygenase
EC flavone synthase
EC flavonol synthase
*EC cyclohexanone monooxygenase
EC precorrin-3B synthase
EC 4-hydroxyacetophenone monooxygenase
EC glyceollin synthase
EC 2-hydroxyisoflavanone synthase
EC licodione synthase
EC flavonoid 3',5'-hydroxylase
EC 1.16.8 With flavin as acceptor
EC cob(II)yrinic acid a,c-diamide reductase
*EC 1.17 Acting on CH or CH2
EC xanthine dehydrogenase
EC nicotinate dehydrogenase
EC xanthine oxidase
EC 6-hydroxynicotinate dehydrogenase
EC 1.17.5 With a quinone or similar compound as acceptor
EC phenylacetyl-CoA dehydrogenase
*EC [formate-C-acetyltransferase]-activating enzyme
*EC uroporphyrin-III C-methyltransferase
EC cobalt-factor II C20-methyltransferase
EC precorrin-6A synthase (deacetylating)
EC vitexin 2"-O-rhamnoside 7-O-methyltransferase
EC isoliquiritigenin 2'-O-methyltransferase
EC kaempferol 4'-O-methyltransferase
EC 6'-deoxychalcone synthase
EC anthocyanin 6"-O-malonyltransferase
EC anthocyanin 5-O-glucoside 6'''-O-malonyltransferase
EC flavonol-3-O-triglucoside O-coumaroyltransferase
EC now EC
*EC sucrose:sucrose fructosyltransferase
*EC 2,1-fructan:2,1-fructan 1-fructosyltransferase
EC now EC
EC glycolipid 6-α-mannosyltransferase
EC anthocyanidin 3-O-glucosyltransferase
EC kaempferol 3-O-galactosyltransferase
EC cyanidin 3-O-rutinoside 5-O-glucosyltransferase
EC flavanone 7-O-glucoside 2"-O-β-L-rhamnosyltransferase
EC flavonol 7-O-β-glucosyltransferase
EC anthocyanin 3'-O-β-glucosyltransferase
EC flavonol-3-O-glucoside glucosyltransferase
EC flavonol-3-O-glycoside glucosyltransferase
*EC (α-N-acetylneuraminyl-2,3-β-galactosyl-1,3)-N-acetyl-galactosaminide 6-α-sialyltransferase
*EC cob(I)yrinic acid a,c-diamide adenosyltransferase
EC now EC
EC O-phosphoserine sulfhydrylase
EC N2-(2-carboxyethyl)arginine synthase
*EC acetylornithine transaminase
*EC (S)-3-amino-2-methylpropionate transaminase
*EC (R)-3-amino-2-methylpropionate—pyruvate transaminase
EC identical to EC
EC now EC
*EC fucokinase
EC identical to EC
EC adenosylcobinamide kinase
*EC nucleoside-triphosphate-hexose-1-phosphate nucleotidyltransferase
EC identical to EC
EC adenosylcobinamide-phosphate guanylyltransferase
EC adenosylcobinamide-GDP ribazoletransferase
EC petromyzonol sulfotransferase
EC hormone-sensitive lipase
EC phenylacetyl-CoA hydrolase
*EC inositol-phosphate phosphatase
EC α-ribazole phosphatase
EC pyridoxal phosphatase
EC phosphoethanolamine/phosphocholine phosphatase
*EC 2,6-β-fructan 6-levanbiohydrolase
*EC chitosanase
EC now EC
*EC NAD+ nucleosidase
*EC adenosylhomocysteine nucleosidase
*EC methylthioadenosine nucleosidase
*EC ADP-ribosylarginine hydrolase
*EC 3.3.1 Thioether and trialkylsulfonium hydrolases
*EC adenosylhomocysteinase
EC adenosylcobinamide hydrolase
EC hydroxyisourate hydrolase
EC 5-deoxyribos-5-ylhomocysteinase
EC threonine-phosphate decarboxylase
*EC acetylenecarboxylate hydratase
EC now EC
*EC GDP-mannose 4,6-dehydratase
EC identical to EC
EC deleted identical to EC
*EC 16α-hydroxyprogesterone dehydratase
EC 2-hydroxyisoflavanone dehydratase
EC S-ribosylhomocysteine lyase
EC levan fructotransferase (DFA-IV-forming)
EC inulin fructotransferase (DFA-I-forming)
EC inulin fructotransferase (DFA-III-forming)
EC vetispiradiene synthase
*EC glucosaminate ammonia-lyase
EC identical to EC
EC leukotriene-C4 synthase
EC sirohydrochlorin cobaltochelatase
EC sirohydrochlorin ferrochelatase
EC aliphatic aldoxime dehydratase
EC indoleacetaldoxime dehydratase
EC polyenoic fatty acid isomerase
EC adenosylcobinamide-phosphate synthase
EC hydrogenobyrinic acid a,c-diamide synthase (glutamine-hydrolysing)
EC adenosylcobyric acid synthase (glutamine-hydrolysing)
EC cobaltochelatase

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