EC 3. Hydrolase Nomenclature

Contents

Introduction

1. List of Accepted names EC 3 linked to a separate file for each enzyme. EC 3.1 to EC 3.3 and EC 3.4 to EC 3.12

2. List of Accepted names EC 3 linked to files with up to 50 enzymes. EC 3.1 to EC 3.3 and EC 3.4 to EC 3.12

EC 3 Hydrolases

Number	Name	Enzyme file type
EC 3.1	Acting on ester bonds	separate	up to 50
EC 3.1.1	Carboxylic ester hydrolases	separate	up to 50
EC 3.1.2	Thioester hydrolases	separate	up to 50
EC 3.1.3	Phosphoric monoester hydrolases	separate	up to 50
EC 3.1.4	Phosphoric diester hydrolases	separate	up to 50
EC 3.1.5	Triphosphoric monoester hydrolases	separate	up to 50
EC 3.1.6	Sulfuric ester hydrolases	separate	up to 50
EC 3.1.7	Diphosphoric monoester hydrolases	separate	up to 50
EC 3.1.8	Phosphoric triester hydrolases	separate	up to 50
EC 3.1.11	Exodeoxyribonucleases producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.12	Exodeoxyribonucleases producing 3'-phosphomonoesters	separate	up to 50
EC 3.1.13	Exoribonucleases producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.14	Exoribonucleases producing 3'-phosphomonoesters	separate	up to 50
EC 3.1.15	Exonucleases active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.16	Exonucleases active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters	separate	up to 50
EC 3.1.21	Endodeoxyribonucleases producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.22	Endodeoxyribonucleases producing 3'-phosphomonoesters	separate	up to 50
EC 3.1.25	Site-specific endodeoxyribonucleases specific for altered bases	separate	up to 50
EC 3.1.26	Endoribonucleases producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.27	Endoribonucleases producing 3'-phosphomonoesters	separate	up to 50
EC 3.1.30	Endoribonucleases active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters	separate	up to 50
EC 3.1.31	Endoribonucleases active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters	separate	up to 50
EC 3.2	Glycosylases	separate	up to 50
EC 3.2.1	Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds	separate	up to 50
EC 3.2.2	Hydrolysing N-glycosyl compounds	separate	up to 50
EC 3.2.3	Hydrolysing S-Glycosyl compounds (discontinued)	separate	up to 50
EC 3.3	Acting on ether bonds	separate	up to 50
EC 3.3.1	Thioether and trialkylsulfonium hydrolases	separate	up to 50
EC 3.3.2	Ether hydrolases	separate	up to 50
EC 3.4	Acting on peptide bonds (Peptidases)	separate	up to 50
EC 3.4.11	Aminopeptidases	separate	up to 50
EC 3.4.13	Dipeptidases	separate	up to 50
EC 3.4.14	Dipeptidyl-peptidases and tripeptidyl-peptidases	separate	up to 50
EC 3.4.15	Peptidyl-dipeptidases	separate	up to 50
EC 3.4.16	Serine-type carboxypeptidases	separate	up to 50
EC 3.4.17	Metallocarboxypeptidases	separate	up to 50
EC 3.4.18	Cysteine-type carboxypeptidases	separate	up to 50
EC 3.4.19	Omega peptidases	separate	up to 50
EC 3.4.21	Serine endopeptidases	separate	up to 50
EC 3.4.22	Cysteine endopeptidases	separate	up to 50
EC 3.4.23	Aspartic endopeptidases	separate	up to 50
EC 3.4.24	Metalloendopeptidases	separate	up to 50
EC 3.4.25	Threonine endopeptidases	separate	up to 50
EC 3.4.99	Endopeptidases of unknown catalytic mechanism	separate	up to 50
EC 3.5	Acting on carbon-nitrogen bonds, other than peptide bonds	separate	up to 50
EC 3.5.1	In linear amides	separate	up to 50
EC 3.5.2	In cyclic amides	separate	up to 50
EC 3.5.3	In linear amidines	separate	up to 50
EC 3.5.4	In cyclic amidines	separate	up to 50
EC 3.5.5	In nitriles	separate	up to 50
EC 3.5.99	In other compounds	separate	up to 50
EC 3.6	Acting on acid anhydrides	separate	up to 50
EC 3.6.1	In phosphorus-containing anhydrides	separate	up to 50
EC 3.6.2	In sulfonyl-containing anhydrides	separate	up to 50
EC 3.6.3	Acting on acid anhydrides; catalysing transmembrane movement of substances	separate	up to 50
EC 3.6.4	Acting on acid anhydrides; involved in cellular and subcellular movement	separate	up to 50
EC 3.6.5	Acting on GTP; involved in cellular and subcellular movement	separate	up to 50
EC 3.7	Acting on carbon-carbon bonds	separate	up to 50
EC 3.7.1	In ketonic substances	separate	up to 50
EC 3.8	Acting on halide bonds	separate	up to 50
EC 3.8.1	In C-halide compounds	separate	up to 50
EC 3.9	Acting on phosphorus-nitrogen bonds	separate	up to 50
EC 3.10	Acting on sulfur-nitrogen bonds	separate	up to 50
EC 3.11	Acting on carbon-phosphorus bonds	separate	up to 50
EC 3.12	Acting on sulfur-sulfur bonds	separate	up to 50
EC 3.13	Acting on carbon-sulfur Bonds	separate	up to 50