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

Enzyme Nomenclature

Supplement 7

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

New enzymes (February 2001, approved April 2001)
New enzymes (May 2001, approved August 2001)
New peptidases (May 2001, approved August 2001)
New enzymes (August 2001, approved November 2001)
New enzymes (November 2001, approved January 2002)
Minor changes
An asterisk before 'EC' indicates that this is an amendment to an existing enzyme rather than a new enzyme entry.


EC now EC
*EC codeinone reductase (NADPH)
*EC salutaridine reductase (NADPH)
*EC sulcatone reductase
EC dTDP-4-dehydro-6-deoxyglucose reductase
EC 1-deoxy-D-xylulose-5-phosphate reductoisomerase
EC 2-(R)-hydroxypropyl-CoM dehydrogenase
EC 2-(S)-hydroxypropyl-CoM dehydrogenase
*EC L-gulonolactone oxidase
*EC nucleoside oxidase
EC nucleoside oxidase (H2O2-forming)
EC D-mannitol oxidase
EC zeatin reductase
EC δ14-sterol reductase
EC δ24(241)-sterol reductase
EC δ24-sterol reductase
*EC glutamate synthase (NADPH)
EC cytokinin dehydrogenase
*EC nitrite reductase (cytochrome; NO-forming)
EC nitrite reductase (cytochrome; ammonia-forming)
EC 2-oxopropyl-CoM reductase (carboxylating)
EC Deleted, identical to EC
*EC 4-hydroxymandelate synthase
EC 3-hydroxy-4-oxoquinoline 2,4-dioxygenase
EC 3-hydroxy-2-methyl-quinolin-4-one 2,4-dioxygenase
EC chlorite O2-lyase
EC Deleted, reaction covered by EC
*EC apo-β-carotenoid-14',13'-dioxygenase
EC Transferred now EC
EC leucocyanidin oxygenase
EC biphenyl 2,3-dioxygenase
*EC tyrosine N-monooxygenase
*EC L-lysine 6-monooxygenase (NADPH)
EC alkene monooxygenase
EC sterol 14-demethylase
EC N-methylcoclaurine 3'-monooxygenase
EC choline monooxygenase
EC β-carotene 15,15'-monooxygenase
EC superoxide reductase
*EC 4-cresol dehydrogenase (hydroxylating)
EC ethylbenzene hydroxylase
EC superoxide reductase
EC Transferred now EC
*EC 1.18. Acting on Iron-Sulfur Proteins as Donors
*EC rubredoxin-NAD+ reductase
*EC rubredoxin-NAD(P)+ reductase
EC 1.18.96 With other, known, acceptors
EC superoxide reductase
EC 1.20.1 Acting on phosphorus or arsenic in donors, with NAD(P)+ as acceptor
EC phosphonate dehydrogenase
EC 1.20.4 Acting on phosphorus or arsenic in donors, with disulfide as acceptor
EC arsenate reductase (glutaredoxin)
EC methylarsonate reductase
EC 1.20.98 Acting on phosphorus or arsenic in donors, with other, known acceptors
EC arsenate reductase (azurin)
EC 1.20.99 Acting on phosphorus or arsenic in donors, with other acceptors
EC arsenate reductase (donor)
EC Transferred now EC
EC Transferred now EC
EC Transferred now EC
EC tetrachloroethene reductive dehalogenase
*EC sterol 24-C-methyltransferase
EC (S)-coclaurine-N-methyltransferase
EC jasmonate O-methyltransferase
EC cycloartenol 24-C-methyltransferase
EC 24-methylenesterol C-methyltransferase
*EC scyllo-inosamine-4-phosphate amidinotransferase
*EC 2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase
EC glucosamine-1-phosphate N-acetyltransferase
EC phospholipid:diacylglycerol acyltransferase
*EC 3-α-galactosyl-N-acetylglucosaminide 4-α-L-fucosyltransferase
*EC α-1,3-mannosyl-glycoprotein 2-β-N-acetylglucosaminyltransferase
*EC chitobiosyldiphosphodolichol β-mannosyltransferase
*EC α-1,6-mannosyl-glycoprotein 2-β-N-acetylglucosaminyltransferase
*EC β-1,4-mannosyl-glycoprotein 4-β-N-acetylglucosaminyltransferase
*EC α-1,3-mannosyl-glycoprotein 4-β-N-acetylglucosaminyltransferase
*EC α-1,6-mannosyl-glycoprotein 6-β-N-acetylglucosaminyltransferase
*EC α-1,6-mannosyl-glycoprotein 4-β-N-acetylglucosaminyltransferase
*EC trans-zeatin O-β-D-glucosyltransferase
EC 1,3-β-galactosyl-N-acetylhexosamine phosphorylase
EC hyaluronan synthase
EC glucosylglycerol-phosphate synthase
EC further modification of proposed entry required before public approval is sought.
EC cis-zeatin O-β-D-glucosyltransferase
EC trehalose 6-phosphate phosphorylase
*EC thiamine pyridinylase
*EC homospermidine synthase
EC homospermidine synthase (spermidine-specific)
EC deoxyhypusine synthase
*EC 2-aminoethylphosphonate-pyruvate transaminase
*EC inositol 3-kinase
EC deoxynucleoside kinase
EC ADP-dependent phosphofructokinase
EC ADP-dependent glucokinase
EC 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase
EC 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase
EC phosphatidylcholine synthase
*EC [heparan sulfate]-glucosamine N-sulfotransferase
EC Deleted entry: heparitin sulfotransferase. Enzyme identical to EC, [heparan sulfate]-glucosamine N-sulfotransferase
*EC [heparan sulfate]-glucosamine 3-sulfotransferase 1
EC [heparan sulfate]-glucosamine 3-sulfotransferase 2
EC [heparan sulfate]-glucosamine 3-sulfotransferase 3
EC 2.8.4 Transferring alkylthio groups
EC coenzyme-B sulfoethylthiotransferase
EC poly(3-hydroxybutyrate) depolymerase
EC poly(3-hydroxyoctanoate) depolymerase acyloxyacyl hydrolase
EC acyloxyacyl hydrolase
EC glucosylglycerol 3-phosphatase
EC deoxyribonuclease V
EC Transferred entry: now EC, deoxyribonuclease V
*EC 3.2.1 Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds
*EC cellulase
*EC hyalurononglucosaminidase
*EC glucan 1,6-α-glucosidase
EC Deleted, not sufficiently characterised.
*EC mannan endo-1,6-β-mannosidase
EC galactan 1,3-β-galactosidase
EC β-galactofuranosidase
EC thioglucosidase
EC ribosylhomocysteinase
EC β-primeverosidase
EC now EC
*EC 3.3.1 Trialkylsulfonium Hydrolases
EC now EC
EC limonene-1,2-epoxide hydrolase
EC dipeptidase E
*EC dipeptidyl-peptidase III
*EC tripeptidyl-peptidase I
EC spermosin
EC pseudomonapepsin
EC xanthomonapepsin
EC C-terminal processing peptidase
EC helper-component proteinase
EC L-peptidase
EC Transferred entry: now EC, xanthomonapepsin
EC Transferred entry: now EC, pseudomonapepsin
EC prepilin peptidase
EC nodavirus endopeptidase
EC snapalysin
EC N-carbamoyl-L-amino-acid hydrolase
EC peptide deformylase
*EC imidazolonepropionase
EC maleimide hydrolase
*EC formimidoylglutamase
*EC Mg2+-ATPase
*EC Mg2+-importing ATPase
*EC Zn2+-exporting ATPase
*EC Na+-exporting ATPase
*EC Ca2+-transporting ATPase
*EC Na+/K+-exchanging ATPase
EC Deleted entry: identical to EC
*EC phosphonoacetaldehyde hydrolase
EC 3.13 Acting on Carbon-Sulfur Bonds
EC UDPsulfoquinovose synthase
EC ribulose-bisphosphate carboxylase
EC 1-deoxy-D-xylulose 5-phosphate synthase
EC Transferred entry: now EC, L-serine ammonia-lyase
EC Transferred entry: now EC, D-serine ammonia-lyase
EC Transferred entry: now EC, threonine ammonia-lyase
EC Transferred entry: now EC, erythro-3-hydroxyaspartate ammonia-lyase
*EC hydratase
*EC cyclohexa-1,5-dienecarbonyl-CoA hydratase
EC now EC cyclohexa-1,5-diene-1-carbonyl-CoA hydratase
EC cyclohexyl-isocyanide hydratase
EC cyanate hydratase
*EC hyaluronate lyase
*EC 6-pyruvoyltetrahydropterin synthase
EC 2-hydroxypropyl-CoM lyase
*EC 4.3 Carbon-Nitrogen Lyases
EC threo-3-hydroxyaspartate ammonia-lyase
EC L-serine ammonia-lyase
EC D-serine ammonia-lyase
EC threonine ammonia-lyase
EC erythro-3-hydroxyaspartate ammonia-lyase
EC Transferred now EC
EC 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase
EC phosphoglucosamine mutase
*EC inositol-phosphate synthase
*EC D-alanine-poly(phosphoribitol) ligase
EC Deleted entry: covered by EC, phenylacetate-CoA ligase
EC acetone carboxylase

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