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| The enzymes in this section of the database are organized as you would find them in the
Enzyme-Nomenclature book. Click [+] to expand, and [–] to collapse, any section. Clicking on a heading will open a popup window with information on that class, subclass or sub-subclass. For a fully expanded list of the classes, subclasses and sub-subclasses, click here |
| EC 1 | [+] | ||
| EC 2 | [+] | ||
| EC 3 | [–] | ||
| EC 3.1 | [–] | ||
| EC 3.1.1 | [+] Carboxylic-ester hydrolases | ||
| EC 3.1.2 | [+] Thioester hydrolases | ||
| EC 3.1.3 | [+] Phosphoric-monoester hydrolases | ||
| EC 3.1.4 | [+] Phosphoric-diester hydrolases | ||
| EC 3.1.5 | [+] Triphosphoric-monoester hydrolases | ||
| EC 3.1.6 | [+] Sulfuric-ester hydrolases | ||
| EC 3.1.7 | [+] Diphosphoric-monoester hydrolases | ||
| EC 3.1.8 | [+] Phosphoric-triester hydrolases | ||
| EC 3.1.11 | [+] Exodeoxyribonucleases producing 5′-phosphomonoesters | ||
| EC 3.1.12 | [+] Exodeoxyribonucleases producing 3′-phosphomonoesters | ||
| EC 3.1.13 | [+] Exoribonucleases producing 5′-phosphomonoesters | ||
| EC 3.1.14 | [+] Exoribonucleases producing 3'-phosphomonoesters | ||
| EC 3.1.15 | [+] Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters | ||
| EC 3.1.16 | [+] Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters | ||
| EC 3.1.21 | [+] Endodeoxyribonucleases producing 5'-phosphomonoesters | ||
| EC 3.1.22 | [+] Endodeoxyribonucleases producing 3'-phosphomonoesters | ||
| EC 3.1.23 | [+] Site-specific endodeoxyribonucleases: cleavage is sequence specific (deleted sub-subclass) | ||
| EC 3.1.24 | [+] Site specific endodeoxyribonucleases: cleavage is not sequence specific (deleted sub-subclass) | ||
| EC 3.1.25 | [+] Site-specific endodeoxyribonucleases that are specific for altered bases | ||
| EC 3.1.26 | [+] Endoribonucleases producing 5'-phosphomonoesters | ||
| EC 3.1.27 | [–] Endoribonucleases producing 3'-phosphomonoesters | ||
| EC 3.1.27.1 | ribonuclease T2. Now EC 4.6.1.19, ribonuclease T2, since the primary reaction is that of a lyase | ||
| EC 3.1.27.2 | Bacillus subtilis ribonuclease. Now EC 4.6.1.22, Bacillus subtilis ribonuclease, since the reaction catalysed is that of a lyase | ||
| EC 3.1.27.3 | ribonuclease T1. Now EC 4.6.1.24, ribonuclease T1, since the primary reaction is that of a lyase | ||
| EC 3.1.27.4 | ribonuclease U2. Now EC 4.6.1.20, ribonuclease U2, since the primary reaction is that of a lyase | ||
| EC 3.1.27.5 | pancreatic ribonuclease. Now EC 4.6.1.18, pancreatic ribonuclease. This reaction is now known to involve an internal-transfer (lyase) process to produce the cyclic derivative, followed by a reversal of that step with water in the "hydrolytic step" | ||
| EC 3.1.27.6 | Enterobacter ribonuclease. Now EC 4.6.1.21, Enterobacter ribonuclease, since the primary reaction is that of a lyase | ||
| EC 3.1.27.7 | ribonuclease F | ||
| EC 3.1.27.8 | ribonuclease V | ||
| EC 3.1.27.9 | tRNA-intron endonuclease. Now EC 4.6.1.16, tRNA-intron lyase | ||
| EC 3.1.27.10 | rRNA endonuclease. Now EC 4.6.1.23, ribotoxin, since the primary reaction is that of a lyase. | ||
| EC 3.1.30 | [+] Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters | ||
| EC 3.1.31 | [+] Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters | ||
| EC 3.2 | [+] | ||
| EC 3.3 | [+] | ||
| EC 3.4 | [+] | ||
| EC 3.5 | [+] | ||
| EC 3.6 | [+] | ||
| EC 3.7 | [+] | ||
| EC 3.8 | [+] | ||
| EC 3.9 | [+] | ||
| EC 3.10 | [+] | ||
| EC 3.11 | [+] | ||
| EC 3.12 | [+] | ||
| EC 3.13 | [+] | ||
| EC 4 | [+] | ||
| EC 5 | [+] | ||
| EC 6 | [+] | ||
| EC 7 | [+] |