1.-.-.-	Oxidoreductases
1.n.n.n	Oxidoreductases
1.1.-.-	Acting on the CH-OH group of donors
1.1.n.n	Acting on the CH-OH group of donors
1.1.1.-	With NAD(+) or NADP(+) as acceptor
1.1.1.n	With NAD(+) or NADP(+) as acceptor
1.1.2.-	With a cytochrome as acceptor
1.1.2.n	With a cytochrome as acceptor
1.1.3.-	With oxygen as acceptor
1.1.3.n	With oxygen as acceptor
1.1.4.-	With a disulfide as acceptor
1.1.4.n	With a disulfide as acceptor
1.1.5.-	With a quinone or similar compound as acceptor
1.1.5.n	With a quinone or similar compound as acceptor
1.1.98.-	With other, known, acceptors
1.1.98.n	With other, known, acceptors
1.1.99.-	With other acceptors
1.1.99.n	With other acceptors
1.2.-.-	Acting on the aldehyde or oxo group of donors
1.2.n.n	Acting on the aldehyde or oxo group of donors
1.2.1.-	With NAD(+) or NADP(+) as acceptor
1.2.1.n	With NAD(+) or NADP(+) as acceptor
1.2.2.-	With a cytochrome as acceptor
1.2.2.n	With a cytochrome as acceptor
1.2.3.-	With oxygen as acceptor
1.2.3.n	With oxygen as acceptor
1.2.4.-	With a disulfide as acceptor
1.2.4.n	With a disulfide as acceptor
1.2.5.-	With a quinone or similar compound as acceptor
1.2.5.n	With a quinone or similar compound as acceptor
1.2.7.-	With an iron-sulfur protein as acceptor
1.2.7.n	With an iron-sulfur protein as acceptor
1.2.99.-	With other acceptors
1.2.99.n	With other acceptors
1.3.-.-	Acting on the CH-CH group of donors
1.3.n.n	Acting on the CH-CH group of donors
1.3.1.-	With NAD(+) or NADP(+) as acceptor
1.3.1.n	With NAD(+) or NADP(+) as acceptor
1.3.2.-	With a cytochrome as acceptor
1.3.2.n	With a cytochrome as acceptor
1.3.3.-	With oxygen as acceptor
1.3.3.n	With oxygen as acceptor
1.3.5.-	With a quinone or related compound as acceptor
1.3.5.n	With a quinone or related compound as acceptor
1.3.7.-	With an iron-sulfur protein as acceptor
1.3.7.n	With an iron-sulfur protein as acceptor
1.3.99.-	With other acceptors
1.3.99.n	With other acceptors
1.4.-.-	Acting on the CH-NH(2) group of donors
1.4.n.n	Acting on the CH-NH(2) group of donors
1.4.1.-	With NAD(+) or NADP(+) as acceptor
1.4.1.n	With NAD(+) or NADP(+) as acceptor
1.4.2.-	With a cytochrome as acceptor
1.4.2.n	With a cytochrome as acceptor
1.4.3.-	With oxygen as acceptor
1.4.3.n	With oxygen as acceptor
1.4.4.-	With a disulfide as acceptor
1.4.4.n	With a disulfide as acceptor
1.4.7.-	With an iron-sulfur protein as acceptor
1.4.7.n	With an iron-sulfur protein as acceptor
1.4.99.-	With other acceptors
1.4.99.n	With other acceptors
1.5.-.-	Acting on the CH-NH group of donors
1.5.n.n	Acting on the CH-NH group of donors
1.5.1.-	With NAD(+) or NADP(+) as acceptor
1.5.1.n	With NAD(+) or NADP(+) as acceptor
1.5.3.-	With oxygen as acceptor
1.5.3.n	With oxygen as acceptor
1.5.4.-	With a disulfide as acceptor
1.5.4.n	With a disulfide as acceptor
1.5.5.-	With a quinone or similar compound as acceptor
1.5.5.n	With a quinone or similar compound as acceptor
1.5.7.-	With an iron-sulfur protein as acceptor
1.5.7.n	With an iron-sulfur protein as acceptor
1.5.8.-	With a flavin as acceptor
1.5.8.n	With a flavin as acceptor
1.5.99.-	With other acceptors
1.5.99.n	With other acceptors
1.6.-.-	Acting on NADH or NADPH
1.6.n.n	Acting on NADH or NADPH
1.6.1.-	With NAD(+) or NADP(+) as acceptor
1.6.1.n	With NAD(+) or NADP(+) as acceptor
1.6.2.-	With a heme protein as acceptor
1.6.2.n	With a heme protein as acceptor
1.6.3.-	With a oxygen as acceptor
1.6.3.n	With a oxygen as acceptor
1.6.5.-	With a quinone or similar compound as acceptor
1.6.5.n	With a quinone or similar compound as acceptor
1.6.6.-	With a nitrogenous group as acceptor
1.6.6.n	With a nitrogenous group as acceptor
1.6.99.-	With other acceptors
1.6.99.n	With other acceptors
1.7.-.-	Acting on other nitrogenous compounds as donors
1.7.n.n	Acting on other nitrogenous compounds as donors
1.7.1.-	With NAD(+) or NADP(+) as acceptor
1.7.1.n	With NAD(+) or NADP(+) as acceptor
1.7.2.-	With a cytochrome as acceptor
1.7.2.n	With a cytochrome as acceptor
1.7.3.-	With oxygen as acceptor
1.7.3.n	With oxygen as acceptor
1.7.7.-	With an iron-sulfur protein as acceptor
1.7.7.n	With an iron-sulfur protein as acceptor
1.7.99.-	With other acceptors
1.7.99.n	With other acceptors
1.8.-.-	Acting on a sulfur group of donors
1.8.n.n	Acting on a sulfur group of donors
1.8.1.-	With NAD(+) or NADP(+) as acceptor
1.8.1.n	With NAD(+) or NADP(+) as acceptor
1.8.2.-	With a cytochrome as acceptor
1.8.2.n	With a cytochrome as acceptor
1.8.3.-	With oxygen as acceptor
1.8.3.n	With oxygen as acceptor
1.8.4.-	With a disulfide as acceptor
1.8.4.n	With a disulfide as acceptor
1.8.5.-	With a quinone or similar compound as acceptor
1.8.5.n	With a quinone or similar compound as acceptor
1.8.7.-	With an iron-sulfur protein as acceptor
1.8.7.n	With an iron-sulfur protein as acceptor
1.8.98.-	With other, known, acceptors
1.8.98.n	With other, known, acceptors
1.8.99.-	With other acceptors
1.8.99.n	With other acceptors
1.9.-.-	Acting on a heme group of donors
1.9.n.n	Acting on a heme group of donors
1.9.3.-	With oxygen as acceptor
1.9.3.n	With oxygen as acceptor
1.9.6.-	With a nitrogenous group as acceptor
1.9.6.n	With a nitrogenous group as acceptor
1.9.99.-	With other acceptors
1.9.99.n	With other acceptors
1.10.-.-	Acting on diphenols and related substances as donors
1.10.n.n	Acting on diphenols and related substances as donors
1.10.1.-	With NAD(+) or NADP(+) as acceptor
1.10.1.n	With NAD(+) or NADP(+) as acceptor
1.10.2.-	With a cytochrome as acceptor
1.10.2.n	With a cytochrome as acceptor
1.10.3.-	With oxygen as acceptor
1.10.3.n	With oxygen as acceptor
1.11.-.-	Acting on a peroxide as acceptor
1.11.n.n	Acting on a peroxide as acceptor
1.11.1.-	Peroxidases
1.11.1.n	Peroxidases
1.11.2.-	With H(2)O(2) as acceptor, one oxygen atom of which is incorporated into the product
1.11.2.n	With H(2)O(2) as acceptor, one oxygen atom of which is incorporated into the product
1.12.-.-	Acting on hydrogen as donor
1.12.n.n	Acting on hydrogen as donor
1.12.1.-	With NAD(+) or NADP(+) as acceptor
1.12.1.n	With NAD(+) or NADP(+) as acceptor
1.12.2.-	With a cytochrome as acceptor
1.12.2.n	With a cytochrome as acceptor
1.12.5.-	With a quinone or similar compound as acceptor
1.12.5.n	With a quinone or similar compound as acceptor
1.12.7.-	With an iron-sulfur protein as acceptor
1.12.7.n	With an iron-sulfur protein as acceptor
1.13.-.-	Acting on single donors with incorporation of molecular oxygen
1.13.n.n	Acting on single donors with incorporation of molecular oxygen
1.14.-.-	Acting on paired donors, with incorporation or reduction of molecular oxygen
1.14.n.n	Acting on paired donors, with incorporation or reduction of molecular oxygen
1.15.-.-	Acting on superoxide as acceptor
1.15.n.n	Acting on superoxide as acceptor
1.15.1.-	Acting on superoxide as acceptor
1.15.1.n	Acting on superoxide as acceptor
1.16.-.-	Oxidizing metal ions
1.16.n.n	Oxidizing metal ions
1.16.1.-	With NAD(+) or NADP(+) as acceptor
1.16.1.n	With NAD(+) or NADP(+) as acceptor
1.16.3.-	With oxygen as acceptor
1.16.3.n	With oxygen as acceptor
1.16.8.-	With flavin as acceptor
1.16.8.n	With flavin as acceptor
1.17.-.-	Acting on CH or CH(2) groups
1.17.n.n	Acting on CH or CH(2) groups
1.17.1.-	With NAD(+) or NADP(+) as acceptor
1.17.1.n	With NAD(+) or NADP(+) as acceptor
1.17.2.-	With a cytochrome as acceptor
1.17.2.n	With a cytochrome as acceptor
1.17.3.-	With oxygen as acceptor
1.17.3.n	With oxygen as acceptor
1.17.4.-	With a disulfide as acceptor
1.17.4.n	With a disulfide as acceptor
1.17.5.-	With a quinone or similar compound as acceptor
1.17.5.n	With a quinone or similar compound as acceptor
1.17.7.-	With an iron-sulfur protein as acceptor
1.17.7.n	With an iron-sulfur protein as acceptor
1.18.-.-	Acting on iron-sulfur proteins as donors
1.18.n.n	Acting on iron-sulfur proteins as donors
1.18.1.-	With NAD(+) or NADP(+) as acceptor
1.18.1.n	With NAD(+) or NADP(+) as acceptor
1.18.6.-	With dinitrogen as acceptor
1.18.6.n	With dinitrogen as acceptor
1.19.-.-	Acting on reduced flavodoxin as donor
1.19.n.n	Acting on reduced flavodoxin as donor
1.19.6.-	With dinitrogen as acceptor
1.19.6.n	With dinitrogen as acceptor
1.20.-.-	Acting on phosphorus or arsenic in donors
1.20.n.n	Acting on phosphorus or arsenic in donors
1.20.1.-	Acting on phosphorus or arsenic in donors, with NAD(P)(+) as acceptor
1.20.1.n	Acting on phosphorus or arsenic in donors, with NAD(P)(+) as acceptor
1.20.4.-	Acting on phosphorus or arsenic in donors, with disulfide as acceptor
1.20.4.n	Acting on phosphorus or arsenic in donors, with disulfide as acceptor
1.21.-.-	Acting on x-H and y-H to form an x-y bond
1.21.n.n	Acting on x-H and y-H to form an x-y bond
1.21.3.-	With oxygen as acceptor
1.21.3.n	With oxygen as acceptor
1.21.4.-	With a disulfide as acceptor
1.21.4.n	With a disulfide as acceptor
1.97.-.-	Other oxidoreductases
1.97.n.n	Other oxidoreductases
1.97.1.-	Sole sub-subclass for oxidoreductases that do not belong in the other subclasses
1.97.1.n	Sole sub-subclass for oxidoreductases that do not belong in the other subclasses
2.-.-.-	Transferases
2.n.n.n	Transferases
2.1.-.-	Transferring one-carbon groups
2.1.n.n	Transferring one-carbon groups
2.1.1.-	Methyltransferases
2.1.1.n	Methyltransferases
2.1.2.-	Hydroxymethyl-, formyl- and related transferases
2.1.2.n	Hydroxymethyl-, formyl- and related transferases
2.1.3.-	Carboxyl- and carbamoyltransferases
2.1.3.n	Carboxyl- and carbamoyltransferases
2.1.4.-	Amidinotransferases
2.1.4.n	Amidinotransferases
2.2.-.-	Transferring aldehyde or ketone residues
2.2.n.n	Transferring aldehyde or ketone residues
2.2.1.-	Transketolases and transaldolases
2.2.1.n	Transketolases and transaldolases
2.3.-.-	Acyltransferases
2.3.n.n	Acyltransferases
2.3.1.-	Transferring groups other than amino-acyl groups
2.3.1.n	Transferring groups other than amino-acyl groups
2.3.2.-	Aminoacyltransferases
2.3.2.n	Aminoacyltransferases
2.3.3.-	Acyl groups converted into alkyl on transfer
2.3.3.n	Acyl groups converted into alkyl on transfer
2.4.-.-	Glycosyltransferases
2.4.n.n	Glycosyltransferases
2.4.1.-	Hexosyltransferases
2.4.1.n	Hexosyltransferases
2.4.2.-	Pentosyltransferases
2.4.2.n	Pentosyltransferases
2.4.99.-	Transferring other glycosyl groups
2.4.99.n	Transferring other glycosyl groups
2.5.-.-	Transferring alkyl or aryl groups, other than methyl groups
2.5.n.n	Transferring alkyl or aryl groups, other than methyl groups
2.5.1.-	Transferring alkyl or aryl groups, other than methyl groups
2.5.1.n	Transferring alkyl or aryl groups, other than methyl groups
2.6.-.-	Transferring nitrogenous groups
2.6.n.n	Transferring nitrogenous groups
2.6.1.-	Transaminases (aminotransferases)
2.6.1.n	Transaminases (aminotransferases)
2.6.3.-	Oximinotransferases
2.6.3.n	Oximinotransferases
2.6.99.-	Transferring other nitrogenous groups
2.6.99.n	Transferring other nitrogenous groups
2.7.-.-	Transferring phosphorous-containing groups
2.7.n.n	Transferring phosphorous-containing groups
2.7.1.-	Phosphotransferases with an alcohol group as acceptor
2.7.1.n	Phosphotransferases with an alcohol group as acceptor
2.7.2.-	Phosphotransferases with a carboxyl group as acceptor
2.7.2.n	Phosphotransferases with a carboxyl group as acceptor
2.7.3.-	Phosphotransferases with a nitrogenous group as acceptor
2.7.3.n	Phosphotransferases with a nitrogenous group as acceptor
2.7.4.-	Phosphotransferases with a phosphate group as acceptor
2.7.4.n	Phosphotransferases with a phosphate group as acceptor
2.7.6.-	Diphosphotransferases
2.7.6.n	Diphosphotransferases
2.7.7.-	Nucleotidyltransferases
2.7.7.n	Nucleotidyltransferases
2.7.8.-	Transferases for other substituted phosphate groups
2.7.8.n	Transferases for other substituted phosphate groups
2.7.9.-	Phosphotransferases with paired acceptors
2.7.9.n	Phosphotransferases with paired acceptors
2.7.10.-	Protein-tyrosine kinases
2.7.10.n	Protein-tyrosine kinases
2.7.11.-	Protein-serine/threonine kinases
2.7.11.n	Protein-serine/threonine kinases
2.7.12.-	Dual-specificity kinases (those acting on Ser/Thr and Tyr residues)
2.7.12.n	Dual-specificity kinases (those acting on Ser/Thr and Tyr residues)
2.7.13.-	Protein-histidine kinases
2.7.13.n	Protein-histidine kinases
2.7.99.-	Other protein kinases
2.7.99.n	Other protein kinases
2.8.-.-	Transferring sulfur-containing groups
2.8.n.n	Transferring sulfur-containing groups
2.8.1.-	Sulfurtransferases
2.8.1.n	Sulfurtransferases
2.8.2.-	Sulfotransferases
2.8.2.n	Sulfotransferases
2.8.3.-	CoA-transferases
2.8.3.n	CoA-transferases
2.8.4.-	Transferring alkylthio groups
2.8.4.n	Transferring alkylthio groups
2.9.-.-	Transferring selenium-containing groups
2.9.n.n	Transferring selenium-containing groups
2.9.1.-	Selenotransferases
2.9.1.n	Selenotransferases
3.-.-.-	Hydrolases
3.n.n.n	Hydrolases
3.1.-.-	Acting on ester bonds
3.1.n.n	Acting on ester bonds
3.1.1.-	Carboxylic ester hydrolases
3.1.1.n	Carboxylic ester hydrolases
3.1.2.-	Thiolester hydrolases
3.1.2.n	Thiolester hydrolases
3.1.3.-	Phosphoric monoester hydrolases
3.1.3.n	Phosphoric monoester hydrolases
3.1.4.-	Phosphoric diester hydrolases
3.1.4.n	Phosphoric diester hydrolases
3.1.5.-	Triphosphoric monoester hydrolases
3.1.5.n	Triphosphoric monoester hydrolases
3.1.6.-	Sulfuric ester hydrolases
3.1.6.n	Sulfuric ester hydrolases
3.1.7.-	Diphosphoric monoester hydrolases
3.1.7.n	Diphosphoric monoester hydrolases
3.1.8.-	Phosphoric triester hydrolases
3.1.8.n	Phosphoric triester hydrolases
3.1.11.-	Exodeoxyribonucleases producing 5'-phosphomonoesters
3.1.11.n	Exodeoxyribonucleases producing 5'-phosphomonoesters
3.1.13.-	Exoribonucleases producing 5'-phosphomonoesters
3.1.13.n	Exoribonucleases producing 5'-phosphomonoesters
3.1.14.-	Exoribonucleases producing 3'-phosphomonoesters
3.1.14.n	Exoribonucleases producing 3'-phosphomonoesters
3.1.15.-	Exonucleases active with either ribo- or deoxyribonucleic acid and producing 5'-phosphomonoesters
3.1.15.n	Exonucleases active with either ribo- or deoxyribonucleic acid and producing 5'-phosphomonoesters
3.1.16.-	Exonucleases active with either ribo- or deoxyribonucleic acid and producing 3'-phosphomonoesters
3.1.16.n	Exonucleases active with either ribo- or deoxyribonucleic acid and producing 3'-phosphomonoesters
3.1.21.-	Endodeoxyribonucleases producing 5'-phosphomonoesters
3.1.21.n	Endodeoxyribonucleases producing 5'-phosphomonoesters
3.1.22.-	Endodeoxyribonucleases producing other than 5'-phosphomonoesters
3.1.22.n	Endodeoxyribonucleases producing other than 5'-phosphomonoesters
3.1.25.-	Site-specific endodeoxyribonucleases specific for altered bases
3.1.25.n	Site-specific endodeoxyribonucleases specific for altered bases
3.1.26.-	Endoribonucleases producing 5'-phosphomonoesters
3.1.26.n	Endoribonucleases producing 5'-phosphomonoesters
3.1.27.-	Endoribonucleases producing other than 5'-phosphomonoesters
3.1.27.n	Endoribonucleases producing other than 5'-phosphomonoesters
3.1.30.-	Endoribonucleases active with either ribo- or deoxyribonucleic acid and producing 5'-phosphomonoesters
3.1.30.n	Endoribonucleases active with either ribo- or deoxyribonucleic acid and producing 5'-phosphomonoesters
3.1.31.-	Endoribonucleases active with either ribo- or deoxyribonucleic acid and producing 3'-phosphomonoesters
3.1.31.n	Endoribonucleases active with either ribo- or deoxyribonucleic acid and producing 3'-phosphomonoesters
3.2.-.-	Glycosylases
3.2.n.n	Glycosylases
3.2.1.-	Glycosidases, i.e. enzymes hydrolyzing O- and S-glycosyl compounds
3.2.1.n	Glycosidases, i.e. enzymes hydrolyzing O- and S-glycosyl compounds
3.2.2.-	Hydrolyzing N-glycosyl compounds
3.2.2.n	Hydrolyzing N-glycosyl compounds
3.3.-.-	Acting on ether bonds
3.3.n.n	Acting on ether bonds
3.3.1.-	Thioether and trialkylsulfonium hydrolases
3.3.1.n	Thioether and trialkylsulfonium hydrolases
3.3.2.-	Ether hydrolases
3.3.2.n	Ether hydrolases
3.4.-.-	Acting on peptide bonds (peptide hydrolases)
3.4.n.n	Acting on peptide bonds (peptide hydrolases)
3.4.11.-	Aminopeptidases
3.4.11.n	Aminopeptidases
3.4.13.-	Dipeptidases
3.4.13.n	Dipeptidases
3.4.14.-	Dipeptidyl-peptidases and tripeptidyl-peptidases
3.4.14.n	Dipeptidyl-peptidases and tripeptidyl-peptidases
3.4.15.-	Peptidyl-dipeptidases
3.4.15.n	Peptidyl-dipeptidases
3.4.16.-	Serine-type carboxypeptidases
3.4.16.n	Serine-type carboxypeptidases
3.4.17.-	Metallocarboxypeptidases
3.4.17.n	Metallocarboxypeptidases
3.4.18.-	Cysteine-type carboxypeptidases
3.4.18.n	Cysteine-type carboxypeptidases
3.4.19.-	Omega peptidases
3.4.19.n	Omega peptidases
3.4.21.-	Serine endopeptidases
3.4.21.n	Serine endopeptidases
3.4.22.-	Cysteine endopeptidases
3.4.22.n	Cysteine endopeptidases
3.4.23.-	Aspartic endopeptidases
3.4.23.n	Aspartic endopeptidases
3.4.24.-	Metalloendopeptidases
3.4.24.n	Metalloendopeptidases
3.4.25.-	Threonine endopeptidases
3.4.25.n	Threonine endopeptidases
3.4.99.-	Endopeptidases of unknown catalytic mechanism
3.4.99.n	Endopeptidases of unknown catalytic mechanism
3.5.-.-	Acting on carbon-nitrogen bonds, other than peptide bonds
3.5.n.n	Acting on carbon-nitrogen bonds, other than peptide bonds
3.5.1.-	In linear amides
3.5.1.n	In linear amides
3.5.2.-	In cyclic amides
3.5.2.n	In cyclic amides
3.5.3.-	In linear amidines
3.5.3.n	In linear amidines
3.5.4.-	In cyclic amidines
3.5.4.n	In cyclic amidines
3.5.5.-	In nitriles
3.5.5.n	In nitriles
3.5.99.-	In other compounds
3.5.99.n	In other compounds
3.6.-.-	Acting on acid anhydrides
3.6.n.n	Acting on acid anhydrides
3.6.1.-	In phosphorous-containing anhydrides
3.6.1.n	In phosphorous-containing anhydrides
3.6.2.-	In sulfonyl-containing anhydrides
3.6.2.n	In sulfonyl-containing anhydrides
3.6.3.-	Acting on acid anhydrides; catalyzing transmembrane movement of substances
3.6.3.n	Acting on acid anhydrides; catalyzing transmembrane movement of substances
3.6.4.-	Acting on acid anhydrides; involved in cellular and subcellular movement
3.6.4.n	Acting on acid anhydrides; involved in cellular and subcellular movement
3.6.5.-	Acting on GTP; involved in cellular and subcellular movement
3.6.5.n	Acting on GTP; involved in cellular and subcellular movement
3.7.-.-	Acting on carbon-carbon bonds
3.7.n.n	Acting on carbon-carbon bonds
3.7.1.-	In ketonic substances
3.7.1.n	In ketonic substances
3.8.-.-	Acting on halide bonds
3.8.n.n	Acting on halide bonds
3.8.1.-	In C-halide compounds
3.8.1.n	In C-halide compounds
3.9.-.-	Acting on phosphorus-nitrogen bonds
3.9.n.n	Acting on phosphorus-nitrogen bonds
3.9.1.-	Acting on phosphorus-nitrogen bonds
3.9.1.n	Acting on phosphorus-nitrogen bonds
3.10.-.-	Acting on sulfur-nitrogen bonds
3.10.n.n	Acting on sulfur-nitrogen bonds
3.10.1.-	Acting on sulfur-nitrogen bonds
3.10.1.n	Acting on sulfur-nitrogen bonds
3.11.-.-	Acting on carbon-phosphorus bonds
3.11.n.n	Acting on carbon-phosphorus bonds
3.11.1.-	Acting on carbon-phosphorus bonds
3.11.1.n	Acting on carbon-phosphorus bonds
3.12.-.-	Acting on sulfur-sulfur bonds
3.12.n.n	Acting on sulfur-sulfur bonds
3.12.1.-	Acting on sulfur-sulfur bonds
3.12.1.n	Acting on sulfur-sulfur bonds
3.13.-.-	Acting on carbon-sulfur bonds
3.13.n.n	Acting on carbon-sulfur bonds
3.13.1.-	Acting on carbon-sulfur bonds
3.13.1.n	Acting on carbon-sulfur bonds
4.-.-.-	Lyases
4.n.n.n	Lyases
4.1.-.-	Carbon-carbon lyases
4.1.n.n	Carbon-carbon lyases
4.1.1.-	Carboxy-lyases
4.1.1.n	Carboxy-lyases
4.1.2.-	Aldehyde-lyases
4.1.2.n	Aldehyde-lyases
4.1.3.-	Oxo-acid-lyases
4.1.3.n	Oxo-acid-lyases
4.1.99.-	Other carbon-carbon lyases
4.1.99.n	Other carbon-carbon lyases
4.2.-.-	Carbon-oxygen lyases
4.2.n.n	Carbon-oxygen lyases
4.2.1.-	Hydro-lyases
4.2.1.n	Hydro-lyases
4.2.2.-	Acting on polysaccharides
4.2.2.n	Acting on polysaccharides
4.2.3.-	Acting on phosphates
4.2.3.n	Acting on phosphates
4.2.99.-	Other carbon-oxygen lyases
4.2.99.n	Other carbon-oxygen lyases
4.3.-.-	Carbon-nitrogen lyases
4.3.n.n	Carbon-nitrogen lyases
4.3.1.-	Ammonia-lyases
4.3.1.n	Ammonia-lyases
4.3.2.-	Lyases acting on amides, amidines, etc
4.3.2.n	Lyases acting on amides, amidines, etc
4.3.3.-	Amine-lyases
4.3.3.n	Amine-lyases
4.4.-.-	Carbon-sulfur lyases
4.4.n.n	Carbon-sulfur lyases
4.4.1.-	Carbon-sulfur lyases
4.4.1.n	Carbon-sulfur lyases
4.5.-.-	Carbon-halide lyases
4.5.n.n	Carbon-halide lyases
4.5.1.-	Carbon-halide lyases
4.5.1.n	Carbon-halide lyases
4.6.-.-	Phosphorus-oxygen lyases
4.6.n.n	Phosphorus-oxygen lyases
4.6.1.-	Phosphorus-oxygen lyases
4.6.1.n	Phosphorus-oxygen lyases
4.99.-.-	Other lyases
4.99.n.n	Other lyases
4.99.1.-	Sole sub-subclass for lyases that do not belong in the other subclasses
4.99.1.n	Sole sub-subclass for lyases that do not belong in the other subclasses
5.-.-.-	Isomerases
5.n.n.n	Isomerases
5.1.-.-	Racemases and epimerases
5.1.n.n	Racemases and epimerases
5.1.1.-	Acting on amino acids and derivatives
5.1.1.n	Acting on amino acids and derivatives
5.1.2.-	Acting on hydroxy acids and derivatives
5.1.2.n	Acting on hydroxy acids and derivatives
5.1.3.-	Acting on carbohydrates and derivatives
5.1.3.n	Acting on carbohydrates and derivatives
5.1.99.-	Acting on other compounds
5.1.99.n	Acting on other compounds
5.2.-.-	Cis-trans-isomerases
5.2.n.n	Cis-trans-isomerases
5.2.1.-	Cis-trans Isomerases
5.2.1.n	Cis-trans Isomerases
5.3.-.-	Intramolecular oxidoreductases
5.3.n.n	Intramolecular oxidoreductases
5.3.1.-	Interconverting aldoses and ketoses, and related compounds
5.3.1.n	Interconverting aldoses and ketoses, and related compounds
5.3.2.-	Interconverting keto- and enol- groups
5.3.2.n	Interconverting keto- and enol- groups
5.3.3.-	Transposing C==C bonds
5.3.3.n	Transposing C==C bonds
5.3.4.-	Transposing S-S bonds
5.3.4.n	Transposing S-S bonds
5.3.99.-	Other intramolecular oxidoreductases
5.3.99.n	Other intramolecular oxidoreductases
5.4.-.-	Intramolecular transferases (mutases)
5.4.n.n	Intramolecular transferases (mutases)
5.4.1.-	Transferring acyl groups
5.4.1.n	Transferring acyl groups
5.4.2.-	Phosphotransferases (phosphomutases)
5.4.2.n	Phosphotransferases (phosphomutases)
5.4.3.-	Transferring amino groups
5.4.3.n	Transferring amino groups
5.4.4.-	Transferring hydroxy groups
5.4.4.n	Transferring hydroxy groups
5.4.99.-	Transferring other groups
5.4.99.n	Transferring other groups
5.5.-.-	Intramolecular lyases
5.5.n.n	Intramolecular lyases
5.5.1.-	Intramolecular lyases
5.5.1.n	Intramolecular lyases
5.99.-.-	Other isomerases
5.99.n.n	Other isomerases
5.99.1.-	Sole sub-subclass for isomerases that do not belong in the other subclasses
5.99.1.n	Sole sub-subclass for isomerases that do not belong in the other subclasses
6.-.-.-	Ligases
6.n.n.n	Ligases
6.1.-.-	Forming carbon-oxygen bonds
6.1.n.n	Forming carbon-oxygen bonds
6.1.1.-	Ligases forming aminoacyl-tRNA and related compounds
6.1.1.n	Ligases forming aminoacyl-tRNA and related compounds
6.2.-.-	Forming carbon-sulfur bonds
6.2.n.n	Forming carbon-sulfur bonds
6.2.1.-	Acid--thiol ligases
6.2.1.n	Acid--thiol ligases
6.3.-.-	Forming carbon-nitrogen bonds
6.3.n.n	Forming carbon-nitrogen bonds
6.3.1.-	Acid--ammonia (or amide) ligases (amide synthases)
6.3.1.n	Acid--ammonia (or amide) ligases (amide synthases)
6.3.2.-	Acid--D-amino-acid ligases (peptide synthases)
6.3.2.n	Acid--D-amino-acid ligases (peptide synthases)
6.3.3.-	Cyclo-ligases
6.3.3.n	Cyclo-ligases
6.3.4.-	Other carbon--nitrogen ligases
6.3.4.n	Other carbon--nitrogen ligases
6.3.5.-	Carbon--nitrogen ligases with glutamine as amido-N-donor
6.3.5.n	Carbon--nitrogen ligases with glutamine as amido-N-donor
6.4.-.-	Forming carbon-carbon bonds
6.4.n.n	Forming carbon-carbon bonds
6.4.1.-	Ligases that form carbon-carbon bonds
6.4.1.n	Ligases that form carbon-carbon bonds
6.5.-.-	Forming phosphoric ester bonds
6.5.n.n	Forming phosphoric ester bonds
6.5.1.-	Ligases that form phosphoric-ester bonds
6.5.1.n	Ligases that form phosphoric-ester bonds
6.6.-.-	Forming nitrogen-metal bonds
6.6.n.n	Forming nitrogen-metal bonds
6.6.1.-	Forming coordination complexes
6.6.1.n	Forming coordination complexes
