| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0004175 | endopeptidase activity | Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain. | 51 |
| GO:0004252 | serine-type endopeptidase activity | Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). | 46 |
| GO:0004197 | cysteine-type endopeptidase activity | Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile. | 26 |
| GO:0004843 | ubiquitin-specific protease activity | Catalysis of the hydrolysis of various forms of polymeric ubiquitin sequences. | 25 |
| GO:0004222 | metalloendopeptidase activity | Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 25 |
| GO:0004298 | threonine-type endopeptidase activity | Catalysis of the hydrolysis of internal peptide bonds in a polypeptide chain by a mechanism in which the hydroxyl group of a threonine residue at the active center acts as a nucleophile. | 19 |
| GO:0008236 | serine-type peptidase activity | Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). | 15 |
| GO:0070006 | metalloaminopeptidase activity | Catalysis of the hydrolysis of N-terminal amino acid residues from a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 13 |
| GO:0004177 | aminopeptidase activity | Catalysis of the hydrolysis of N-terminal amino acid residues from in a polypeptide chain. | 13 |
| GO:0004181 | metallocarboxypeptidase activity | Catalysis of the hydrolysis of C-terminal amino acid residues from a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 11 |
| GO:0008237 | metallopeptidase activity | Catalysis of the hydrolysis of peptide bonds by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 11 |
| GO:0008239 | dipeptidyl-peptidase activity | Catalysis of the hydrolysis of N-terminal dipeptides from a polypeptide chain. | 9 |
| GO:0008234 | cysteine-type peptidase activity | Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile. | 7 |
| GO:0070011 | peptidase activity, acting on L-amino acid peptides | Catalysis of the hydrolysis of peptide bonds formed between L-amino acids. | 6 |
| GO:0004180 | carboxypeptidase activity | Catalysis of the hydrolysis of the terminal or penultimate peptide bond at the C-terminal end of a peptide or polypeptide. | 6 |
| GO:0004176 | ATP-dependent peptidase activity | Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the hydrolysis of peptide bonds. | 5 |
| GO:0008242 | omega peptidase activity | Catalysis of the removal of terminal peptide residues that are substituted, cyclized or linked by isopeptide bonds (peptide linkages other than those of alpha-carboxyl to alpha-amino groups). | 4 |
| GO:0004190 | aspartic-type endopeptidase activity | Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile. | 4 |
| GO:0008235 | metalloexopeptidase activity | Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 3 |
| GO:0070573 | metallodipeptidase activity | Catalysis of the hydrolysis of a dipeptide by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions. | 3 |
| GO:0008238 | exopeptidase activity | Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain, in a reaction that requires a free N-terminal amino group, C-terminal carboxyl group or both. | 2 |
| GO:0008240 | tripeptidyl-peptidase activity | Catalysis of the release of an N-terminal tripeptide from a polypeptide. | 2 |
| GO:0004185 | serine-type carboxypeptidase activity | Catalysis of the hydrolysis of a peptide bond not more than three residues from the C-terminus of a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). | 2 |
| GO:0070012 | oligopeptidase activity | Catalysis of the hydrolysis of a peptide bond in an oligopeptide, i.e. a molecule containing a small number (2 to 20) of amino acid residues connected by peptide bonds. | 2 |
| GO:0070008 | serine-type exopeptidase activity | Catalysis of the hydrolysis of a peptide bond not more than three residues from the N- or C-terminus of a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). | 2 |
| GO:0034722 | gamma-glutamyl-peptidase activity | Catalysis of the cleavage of a gamma-linked glutamate bond. | 2 |
| GO:0016929 | SUMO-specific protease activity | Catalysis of the hydrolysis of SUMO, a small ubiquitin-related modifier, from previously sumoylated substrates. | 1 |
| GO:0042500 | aspartic endopeptidase activity, intramembrane cleaving | Catalysis of the hydrolysis of nonterminal peptide bonds in a polypeptide chain, occurring within the plasma membrane. | 1 |
| GO:0019784 | NEDD8-specific protease activity | Catalysis of the hydrolysis of NEDD8, a small ubiquitin-related modifier, from previously neddylated substrates. | 1 |
| GO:0008798 | beta-aspartyl-peptidase activity | Catalysis of the cleavage of a beta-linked aspartic residue from the N-terminus of a polypeptide. | 1 |
| GO:0008241 | peptidyl-dipeptidase activity | Catalysis of the release of C-terminal dipeptides from a polypeptide chain. | 1 |