Transferred to 1.1.1.348 and 4.2.1.139

Transferred to 4.2.1.179

Transferred to 4.2.1.104

Transferred to 4.2.1.138

carbonic anhydrase; carbonate dehydratase; anhydrase; carbonate anhydrase; carbonic acid anhydrase; carboxyanhydrase; carbonic anhydrase A; carbonate hydro-lyase; carbonate hydro-lyase (carbon-dioxide-forming)

3-dehydroquinate dehydratase; 3-dehydroquinate hydrolase; DHQase; dehydroquinate dehydratase; 3-dehydroquinase; 5-dehydroquinase; dehydroquinase; 5-dehydroquinate dehydratase; 5-dehydroquinate hydro-lyase; 3-dehydroquinate hydro-lyase

phosphopyruvate hydratase; enolase; 2-phosphoglycerate dehydratase; 14-3-2-protein; nervous-system specific enolase; phosphoenolpyruvate hydratase; 2-phosphoglycerate dehydratase; 2-phosphoglyceric dehydratase; 2-phosphoglycerate enolase; gamma-enol • • •

phosphogluconate dehydratase; 6-phosphogluconate dehydratase; 6-phosphogluconic dehydrase; gluconate-6-phosphate dehydratase; gluconate 6-phosphate dehydratase; 6-phosphogluconate dehydrase; 6-phospho-D-gluconate hydro-lyase

Transferred to 4.3.1.17

Transferred to 4.3.1.18

Deleted entry

Transferred to 4.3.1.19

enoyl-CoA hydratase; enoyl hydrase; unsaturated acyl-CoA hydratase; beta-hydroxyacyl-CoA dehydrase; beta-hydroxyacid dehydrase; acyl coenzyme A hydrase; crotonase; crotonyl hydrase; 2-octenoyl coenzyme A hydrase; enoyl coenzyme A hydratase; 2-enoyl- • • •

methylglutaconyl-CoA hydratase; methylglutaconyl coenzyme A hydratase; 3-methylglutaconyl CoA hydratase; methylglutaconase; (S)-3-hydroxy-3-methylglutaryl-CoA hydro-lyase

imidazoleglycerol-phosphate dehydratase; IGP dehydratase; D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate hydro-lyase

cyclohexa-1,5-dienecarbonyl-CoA hydratase; cyclohexa-1,5-diene-1-carbonyl-CoA hydratase; dienoyl-CoA hydratase; cyclohexa-1,5-dienecarbonyl-CoA hydro-lyase (incorrect); 6-hydroxycyclohex-1-enecarbonyl-CoA hydro-lyase (cyclohexa-1,5-dienecarbonyl-CoA • • •

Transferred to 4.1.2.61

Transferred to 4.2.1.100

cyclohexyl-isocyanide hydratase; isonitrile hydratase; N-cyclohexylformamide hydro-lyase

cyanase; cyanate lyase; cyanate hydrolase; cyanate aminohydrolase; cyanate C-N-lyase; cyanate hydratase

2-hydroxyisoflavanone dehydratase; 2,7,4'-trihydroxyisoflavanone hydro-lyase; 2,7,4'-trihydroxyisoflavanone hydro-lyase (daidzein-forming)

bile-acid 7alpha-dehydratase; baiE (gene name); 7alpha,12alpha-dihydroxy-3-oxochol-4-enoate hydro-lyase; 7alpha,12alpha-dihydroxy-3-oxochol-4-enoate hydro-lyase (12alpha-hydroxy-3-oxochola-4,6-dienoate-forming); BA7 alpha dehydratase

3alpha,7alpha,12alpha-trihydroxy-5beta-cholest-24-enoyl-CoA hydratase; 46 kDa hydratase 2; (24R,25R)-3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestanoyl-CoA hydro-lyase

ectoine synthase; ectC (gene name); N-acetyldiaminobutyrate dehydratase; N-acetyldiaminobutanoate dehydratase; L-ectoine synthase; 4-N-acetyl-L-2,4-diaminobutanoate hydro-lyase (L-ectoine-forming); N4-acetyl-L-2,4-diaminobutanoate hydro-lyase (L-ect • • •

methylthioribulose 1-phosphate dehydratase; 1-PMT-ribulose dehydratase; S-methyl-5-thio-D-ribulose-1-phosphate hydro-lyase; S-methyl-5-thio-D-ribulose-1-phosphate 4-hydro-lyase [5-(methylthio)-2,3-dioxopentyl-phosphate-forming]

aldos-2-ulose dehydratase; pyranosone dehydratase; AUDH; 1,5-anhydro-D-fructose dehydratase (microthecin-forming)

1,5-anhydro-D-fructose dehydratase; 1,5-anhydro-D-fructose 4-dehydratase; 1,5-anhydro-D-fructose hydrolyase; 1,5-anhydro-D-arabino-hex-2-ulose dehydratase; AFDH; AF dehydratase; 1,5-anhydro-D-fructose hydro-lyase

acetylene hydratase; AH; acetaldehyde hydro-lyase

o-succinylbenzoate synthase; o-succinylbenzoic acid synthase; OSB synthase; OSBS; 2-succinylbenzoate synthase; MenC

methanogen homoaconitase; methanogen HACN

UDP-N-acetylglucosamine 4,6-dehydratase (configuration-inverting); FlaA1; UDP-N-acetylglucosamine 5-inverting 4,6-dehydratase; PseB; UDP-N-acetylglucosamine hydro-lyase (inverting; UDP-2-acetamido-2,6-dideoxy-beta-L-arabino-hex-4-ulose-forming)

3-hydroxypropionyl-CoA dehydratase; 3-hydroxypropionyl-CoA hydro-lyase; 3-hydroxypropanoyl-CoA dehydratase

2-methylcitrate dehydratase (2-methyl-trans-aconitate forming)

3-dehydroshikimate dehydratase

enoyl-CoA hydratase 2; 2-enoyl-CoA hydratase 2; AtECH2; ECH2; MaoC; MFE-2; PhaJAc; D-3-hydroxyacyl-CoA hydro-lyase; D-specific 2-trans-enoyl-CoA hydratase

4-hydroxybutanoyl-CoA dehydratase

colneleate synthase; 9-divinyl ether synthase; 9-DES; CYP74D; CYP74D1; CYP74 cytochrome P-450; DES1; (8E)-9-[(1E,3E)-nona-1,3-dien-1-yloxy]non-8-enoate synthase

tryptophan synthase (indole-salvaging); tryptophan synthase beta2

tetrahymanol synthase

arabidiol synthase; PEN1 (gene name); (S)-squalene-2,3-epoxide hydro-lyase (arabidiol forming)

dammarenediol II synthase; dammarenediol synthase; 2,3-oxidosqualene (20S)-dammarenediol cyclase; DDS; (S)-squalene-2,3-epoxide hydro-lyase (dammarenediol-II forming)

N-acetylmuramic acid 6-phosphate etherase; MurNAc-6-P etherase; MurQ

linalool dehydratase; linalool hydro-lyase (myrcene-forming)

lupan-3beta,20-diol synthase; LUP1 (gene name)

squalene---hopanol cyclase; squalene---hopene cyclase (ambiguous)

D-lactate dehydratase; glyoxylase III; GLO3

carotenoid 1,2-hydratase; CrtC

2-hydroxyhexa-2,4-dienoate hydratase; tesE (gene name); hsaE (gene name)

copal-8-ol diphosphate hydratase; CcCLS

very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase; PHS1 (gene name); PAS2 (gene name)

UDP-N-acetylglucosamine 4,6-dehydratase (configuration-retaining); PglF

ADP-dependent NAD(P)H-hydrate dehydratase; (6S)-beta-6-hydroxy-1,4,5,6-tetrahydronicotinamide-adenine-dinucleotide hydro-lyase(ADP-hydrolysing); (6S)-6-beta-hydroxy-1,4,5,6-tetrahydronicotinamide-adenine-dinucleotide hydro-lyase (ADP-hydrolysing; NA • • •

sporulenol synthase; sqhC (gene name)

(+)-caryolan-1-ol synthase; GcoA

pterocarpan synthase; medicarpin synthase; medicarpan synthase; 7,2'-dihydroxy-4'-methoxyisoflavanol dehydratase; 2',7-dihydroxy-4'-methoxyisoflavanol dehydratase; DMI dehydratase; DMID; 2'-hydroxyisoflavanol 4,2'-dehydratase; PTS (gene name); 4'-me • • •

gluconate/galactonate dehydratase; gluconate dehydratase (ambiguous); Sso3198 (gene name); Pto0485 (gene name)

2-dehydro-3-deoxy-D-arabinonate dehydratase

5'-oxoaverantin cyclase; OAVN cyclase; 5'-oxoaverantin hydro-lyase [(2'S,5'S)-averufin forming]

versicolorin B synthase; versiconal cyclase; VBS

3-amino-5-hydroxybenzoate synthase; AHBA synthase; rifK (gene name)

capreomycidine synthase; VioD (ambiguous)

L-galactonate dehydratase; LGD1

5,6,7,8-tetrahydromethanopterin hydro-lyase; formaldehyde-activating enzyme

2-methylfumaryl-CoA hydratase; Mcd; erythro-beta-methylmalonyl-CoA hydrolyase; mesaconyl-coenzyme A hydratase (ambiguous); mesaconyl-C1-CoA hydratase

crotonobetainyl-CoA hydratase; CaiD; L-carnityl-CoA dehydratase

short-chain-enoyl-CoA hydratase; 3-hydroxybutyryl-CoA dehydratase; crotonase; crt (gene name)

chorismate dehydratase; MqnA

hydroperoxy icosatetraenoate dehydratase; epidermal lipoxygenase-3 (ambiguous); eLOX3 (ambiguous)

3-methylfumaryl-CoA hydratase; Meh; mesaconyl-C4-CoA hydratase; mesaconyl-coenzyme A hydratase (ambiguous)

tetracenomycin F2 cyclase; tcmI (gene name)

(methylthio)acryloyl-CoA hydratase; DmdD

L-talarate dehydratase; L-talarate hydro-lyase

(R)-2-hydroxyisocaproyl-CoA dehydratase; 2-hydroxyisocaproyl-CoA dehydratase; HadBC

galactarate dehydratase (D-threo-forming)

dTDP-4-dehydro-6-deoxy-alpha-D-glucopyranose 2,3-dehydratase; jadO (gene name); evaA (gene name); megBVI (gene name); eryBV (gene name); mtmV (gene name); oleV (gene name); spnO (gene name); TDP-4-keto-6-deoxy-D-glucose 2,3-dehydratase; dTDP-4-dehyd • • •

2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one isomerase/dehydratase

bisanhydrobacterioruberin hydratase; CruF; C50 carotenoid 2'',3''-hydratase

6-deoxy-6-sulfo-D-gluconate dehydratase; SG dehydratase

2-oxo-hept-4-ene-1,7-dioate hydratase; HpcG

dTDP-4-dehydro-2,6-dideoxy-D-glucose 3-dehydratase; SpnQ; TDP-4-keto-2,6-dideoxy-D-glucose 3-dehydrase

chlorophyllide a 31-hydratase; bchF (gene name)

phosphinomethylmalate isomerase; pmi (gene name)

(R)-2-hydroxyglutaryl-CoA dehydratase; hgdAB (gene names)

GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase; colD (gene name)

3-vinyl bacteriochlorophyllide d 31-hydratase; bchV (gene name)

2-(omega-methylthio)alkylmalate dehydratase; IPMI (gene name); 2-[(omega-methylthio)alkyl]malate hydro-lyase (2-[(omega-methylthio)alkyl]maleate-forming)

cis-L-3-hydroxyproline dehydratase; cis-L-3-hydroxyproline hydro-lyase; c3LHypD

trans-4-hydroxy-L-proline dehydratase

ent-8alpha-hydroxylabd-13-en-15-yl diphosphate synthase; SmCPS4

peregrinol diphosphate synthase; MvCPS1

(R)-3-(aryl)lactoyl-CoA dehydratase; fldBC (gene names); (R)-phenyllactoyl-CoA dehydratase; aryllactyl-CoA dehydratase

L-lyxonate dehydratase; lyxD (gene name)

(2S)-3-sulfopropanediol dehydratase; hpfG (gene name); (S)-DHPS dehydratase

difructose-dianhydride-III synthase; DFA-IIIase; difructose anhydride III hydrolase

difructose-anhydride-I synthase; DFAIase; inulobiose hydrolase; bis-D-fructose 2',1:2,1'-dianhydride fructohydrolase

(E)-benzylidenesuccinyl-CoA hydratase; bbsH (gene name)

3-carboxymethyl-3-hydroxy-acyl-[acp] dehydratase; aprF (gene name); corF (gene name); curE (gene name); pedL (gene name); 3-carboxymethyl-3-hydroxy-acyl-[acyl-carrier protein] dehydratase

phosphomevalonate dehydratase

etheroleic acid synthase; colneleic acid/etheroleic acid synthase; 13/9-DES; 9/13-DES; 13/9-divinyl ether synthase; (9Z,11E)-12-[(1E)-hex-1-en-1-yloxy]dodeca-9,11-dienoate synthase

Transferred to 4.2.1.104

Transferred to 4.2.1.133