The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was named:

"
Cysteine proteinases
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 34: ubiquitin carboxyl-terminal hydrolase 15 isoform X...

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 20 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
7 Q8R5H1 (/IDA) Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cysteine-type endopeptidase activity GO:0004197
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.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
Cysteine-type endopeptidase activity GO:0004197
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.
5 Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
5 Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Transforming growth factor beta receptor binding GO:0005160
Interacting selectively and non-covalently with the transforming growth factor beta receptor.
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
5 Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
SMAD binding GO:0046332
Interacting selectively and non-covalently with a SMAD signaling protein.
5 Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI) Q9Y4E8 (/IPI)
Ubiquitin modification-dependent histone binding GO:0061649
Interacting selectively and non-covalently with a histone protein in which a residue has been modified by ubiquitination. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cysteine-type endopeptidase activity GO:0004197
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.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
3 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS)
Cysteine-type endopeptidase activity GO:0004197
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.
1 Q8R5H1 (/ISO)
Thiol-dependent ubiquitin-specific protease activity GO:0004843
Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin and another protein.
1 Q8R5H1 (/ISO)
Transforming growth factor beta receptor binding GO:0005160
Interacting selectively and non-covalently with the transforming growth factor beta receptor.
1 Q8R5H1 (/ISO)
Thiol-dependent ubiquitinyl hydrolase activity GO:0036459
Catalysis of the thiol-dependent hydrolysis of an ester, thioester, amide, peptide or isopeptide bond formed by the C-terminal glycine of ubiquitin.
1 Q8R5H1 (/ISO)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 Q8R5H1 (/ISO)
SMAD binding GO:0046332
Interacting selectively and non-covalently with a SMAD signaling protein.
1 Q8R5H1 (/ISO)
Ubiquitin modification-dependent histone binding GO:0061649
Interacting selectively and non-covalently with a histone protein in which a residue has been modified by ubiquitination. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.
1 Q8R5H1 (/ISO)

There are 20 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
5 Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
5 Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
5 Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP) Q9Y4E8 (/IMP)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
4 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS) Q9R085 (/ISS)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
3 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS)
Transforming growth factor beta receptor signaling pathway GO:0007179
A series of molecular signals initiated by the binding of an extracellular ligand to a transforming growth factor beta receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q8R5H1 (/ISO)
Protein deubiquitination GO:0016579
The removal of one or more ubiquitin groups from a protein.
1 Q8R5H1 (/ISO)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q8R5H1 (/ISO)
Monoubiquitinated protein deubiquitination GO:0035520
The removal of the ubiquitin group from a monoubiquitinated protein.
1 Q8R5H1 (/ISO)
Histone H2B conserved C-terminal lysine deubiquitination GO:0035616
A histone deubiquitination process in which a ubiquitin monomer is removed from a conserved lysine residue in the C-terminus of histone H2B. The conserved lysine residue is K119 in fission yeast, K123 in budding yeast, or K120 in mammals.
1 Q8R5H1 (/ISO)
Pathway-restricted SMAD protein phosphorylation GO:0060389
The process of introducing a phosphate group on to a pathway restricted SMAD protein. A pathway restricted SMAD protein is an effector protein that acts directly downstream of the transforming growth factor family receptor.
1 Q8R5H1 (/ISO)

There are 9 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
6 Q9R085 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA) Q9Y4E8 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
5 Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS) Q9Y4E8 (/TAS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
3 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
3 F6Z5C0 (/ISS) Q2HJE4 (/ISS) Q8R5H1 (/ISS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 Q8R5H1 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q8R5H1 (/ISO)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 Q8R5H1 (/ISO)