The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
Ubiquitin Conjugating Enzyme
".

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 6043: Tumor susceptibility gene 101

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 17 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
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).
4 O76258 (/IPI) Q61187 (/IPI) Q99816 (/IPI) Q9VVA7 (/IPI)
DNA binding GO:0003677
Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
1 Q99816 (/TAS)
Transcription corepressor activity GO:0003714
Interacting selectively and non-covalently with a repressing transcription factor and also with the basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
1 Q61187 (/IDA)
Transcription corepressor activity GO:0003714
Interacting selectively and non-covalently with a repressing transcription factor and also with the basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
1 Q99816 (/TAS)
Ligand-dependent nuclear receptor transcription coactivator activity GO:0030374
The function of a transcription cofactor that activates transcription in conjuction with a ligand-dependent nuclear receptor from a RNA polymerase II promoter; does not bind DNA itself.
1 Q6IRE4 (/IDA)
Ubiquitin protein ligase binding GO:0031625
Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
1 Q99816 (/IPI)
Ubiquitin protein ligase binding GO:0031625
Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
1 Q61187 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 Q99816 (/IPI)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 Q61187 (/ISO)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 Q99816 (/IDA)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 Q61187 (/ISO)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 Q9VVA7 (/ISS)
Ubiquitin binding GO:0043130
Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.
1 Q99816 (/TAS)
Virion binding GO:0046790
Interacting selectively and non-covalently with a virion, either by binding to components of the capsid or the viral envelope.
1 Q99816 (/IDA)
Virion binding GO:0046790
Interacting selectively and non-covalently with a virion, either by binding to components of the capsid or the viral envelope.
1 Q61187 (/ISO)
Calcium-dependent protein binding GO:0048306
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of calcium.
1 Q99816 (/IPI)
Calcium-dependent protein binding GO:0048306
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of calcium.
1 Q61187 (/ISO)

There are 53 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
Ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043162
The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
2 Q61187 (/ISS) Q6IRE4 (/ISS)
Viral budding GO:0046755
A viral process by which enveloped viruses acquire a host-derived membrane enriched in viral proteins to form their external envelope. The process starts when nucleocapsids, assembled or in the process of being built, induce formation of a membrane curvature in the host plasma or organelle membrane and wrap up in the forming bud. The process ends when the bud is eventually pinched off by membrane scission to release the enveloped particle into the lumenal or extracellular space.
2 Q61187 (/IMP) Q99816 (/IMP)
Viral budding GO:0046755
A viral process by which enveloped viruses acquire a host-derived membrane enriched in viral proteins to form their external envelope. The process starts when nucleocapsids, assembled or in the process of being built, induce formation of a membrane curvature in the host plasma or organelle membrane and wrap up in the forming bud. The process ends when the bud is eventually pinched off by membrane scission to release the enveloped particle into the lumenal or extracellular space.
2 Q6IRE4 (/ISS) Q99816 (/ISS)
Regulation of cell growth GO:0001558
Any process that modulates the frequency, rate, extent or direction of cell growth.
1 Q61187 (/IDA)
Protein monoubiquitination GO:0006513
Addition of a single ubiquitin group to a protein.
1 Q6IRE4 (/IDA)
Cell cycle arrest GO:0007050
A regulatory process that halts progression through the cell cycle during one of the normal phases (G1, S, G2, M).
1 Q61187 (/IDA)
Germarium-derived egg chamber formation GO:0007293
Construction of a stage-1 egg chamber in the anterior part of the germarium, from the progeny of germ-line and somatic stem cells. An example of this is found in Drosophila melanogaster.
1 Q9VVA7 (/IMP)
Terminal branching, open tracheal system GO:0007430
Formation of terminal branches in the open tracheal system. These are long cytoplasmic extensions that form fine tubules that transport oxygen directly to the tissues. An example of the process is found in Drosophila melanogaster.
1 Q9VVA7 (/IMP)
Negative regulation of cell proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 Q61187 (/IDA)
Endosome to lysosome transport GO:0008333
The directed movement of substances from endosomes to lysosomes.
1 Q6IRE4 (/IMP)
Endosomal transport GO:0016197
The directed movement of substances into, out of, or mediated by an endosome, a membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
1 Q99816 (/TAS)
Macroautophagy GO:0016236
The major inducible pathway for the general turnover of cytoplasmic constituents in eukaryotic cells, it is also responsible for the degradation of active cytoplasmic enzymes and organelles during nutrient starvation. Macroautophagy involves the formation of double-membrane-bounded autophagosomes which enclose the cytoplasmic constituent targeted for degradation in a membrane-bounded structure. Autophagosomes then fuse with a lysosome (or vacuole) releasing single-membrane-bounded autophagic bodies that are then degraded within the lysosome (or vacuole). Though once thought to be a purely non-selective process, it appears that some types of macroautophagy, e.g. macropexophagy, macromitophagy, may involve selective targeting of the targets to be degraded.
1 Q99816 (/TAS)
Neuron remodeling GO:0016322
The developmentally regulated remodeling of neuronal projections such as pruning to eliminate the extra dendrites and axons projections set up in early stages of nervous system development.
1 Q9VVA7 (/IMP)
Viral life cycle GO:0019058
A set of processes which all viruses follow to ensure survival; includes attachment and entry of the virus particle, decoding of genome information, translation of viral mRNA by host ribosomes, genome replication, and assembly and release of viral particles containing the genome.
1 Q99816 (/TAS)
Cell differentiation GO:0030154
The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
1 Q61187 (/IDA)
Keratinocyte differentiation GO:0030216
The process in which a relatively unspecialized cell acquires specialized features of a keratinocyte.
1 Q61187 (/IDA)
Endosome transport via multivesicular body sorting pathway GO:0032509
The directed movement of substances from endosomes to lysosomes or vacuoles by a pathway in which molecules are sorted into multivesicular bodies, which then fuse with the target compartment.
1 Q9VVA7 (/IC)
Endosome to lysosome transport via multivesicular body sorting pathway GO:0032510
The directed movement of substances from endosomes to lysosomes by a pathway in which molecules are sorted into multivesicular bodies, which then fuse with the lysosome.
1 O76258 (/IMP)
Receptor catabolic process GO:0032801
The chemical reactions and pathways resulting in the breakdown of a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
1 O76258 (/IMP)
Maintenance of apical/basal cell polarity GO:0035090
Retaining the established polarization of a cell along its apical/basal axis.
1 Q9VVA7 (/IMP)
Multivesicular body assembly GO:0036258
The aggregation, arrangement and bonding together of a set of components to form a multivesicular body, a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
1 Q9VVA7 (/IMP)
Multivesicular body assembly GO:0036258
The aggregation, arrangement and bonding together of a set of components to form a multivesicular body, a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
1 Q99816 (/TAS)
Viral budding via host ESCRT complex GO:0039702
Viral budding which uses a host ESCRT protein complex, or complexes, to mediate the budding process.
1 Q99816 (/TAS)
Negative regulation of epidermal growth factor receptor signaling pathway GO:0042059
Any process that stops, prevents, or reduces the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
1 Q99816 (/IMP)
Negative regulation of epidermal growth factor receptor signaling pathway GO:0042059
Any process that stops, prevents, or reduces the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
1 Q61187 (/ISO)
Ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043162
The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
1 Q99816 (/IC)
Ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043162
The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
1 Q99816 (/IDA)
Ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043162
The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
1 Q99816 (/IMP)
Ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043162
The chemical reactions and pathways resulting in the breakdown of a protein or peptide covalently tagged with ubiquitin, via the multivesicular body (MVB) sorting pathway; ubiquitin-tagged proteins are sorted into MVBs, and delivered to a lysosome/vacuole for degradation.
1 Q61187 (/ISO)
Regulation of MAP kinase activity GO:0043405
Any process that modulates the frequency, rate or extent of MAP kinase activity.
1 Q99816 (/IMP)
Regulation of MAP kinase activity GO:0043405
Any process that modulates the frequency, rate or extent of MAP kinase activity.
1 Q61187 (/ISO)
Negative regulation of growth of symbiont in host GO:0044130
Any process in which the symbiont stops, prevents or reduces its increase in size or mass within the cells or tissues of the host organism. The host is defined as the larger of the organisms involved in the symbiotic interaction.
1 Q9VVA7 (/IMP)
Negative regulation of imaginal disc growth GO:0045571
Any process that stops, prevents, or reduces the frequency, rate or extent of imaginal disc growth.
1 Q9VVA7 (/IMP)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
1 Q61187 (/IDA)
Viral budding GO:0046755
A viral process by which enveloped viruses acquire a host-derived membrane enriched in viral proteins to form their external envelope. The process starts when nucleocapsids, assembled or in the process of being built, induce formation of a membrane curvature in the host plasma or organelle membrane and wrap up in the forming bud. The process ends when the bud is eventually pinched off by membrane scission to release the enveloped particle into the lumenal or extracellular space.
1 Q61187 (/ISO)
Positive regulation of viral process GO:0048524
Any process that activates or increases the frequency, rate or extent of a multi-organism process in which a virus is a participant.
1 Q99816 (/IMP)
Positive regulation of viral process GO:0048524
Any process that activates or increases the frequency, rate or extent of a multi-organism process in which a virus is a participant.
1 Q61187 (/ISO)
Epithelium development GO:0060429
The process whose specific outcome is the progression of an epithelium over time, from its formation to the mature structure. An epithelium is a tissue that covers the internal or external surfaces of an anatomical structure.
1 Q9VVA7 (/IMP)
Trachea morphogenesis GO:0060439
The process in which a trachea is generated and organized. The trachea is the portion of the airway that attaches to the bronchi as it branches.
1 Q9VVA7 (/IMP)
Intracellular transport of virus GO:0075733
The directed movement of a virus, or part of a virus, within the host cell.
1 Q99816 (/TAS)
Autophagosome maturation GO:0097352
The process in which autophagosomes, double-membraned vacuoles containing cytoplasmic material fuse with a vacuole (yeast) or lysosome (e.g. mammals and insects). In the case of yeast, inner membrane-bounded structures (autophagic bodies) appear in the vacuole. Fusion provides an acidic environment and digestive function to the interior of the autophagosome.
1 Q99816 (/TAS)
Positive regulation of viral release from host cell GO:1902188
Any process that activates or increases the frequency, rate or extent of viral release from host cell.
1 Q99816 (/IMP)
Positive regulation of viral release from host cell GO:1902188
Any process that activates or increases the frequency, rate or extent of viral release from host cell.
1 Q61187 (/ISO)
Positive regulation of exosomal secretion GO:1903543
Any process that activates or increases the frequency, rate or extent of exosomal secretion.
1 Q99816 (/IMP)
Positive regulation of exosomal secretion GO:1903543
Any process that activates or increases the frequency, rate or extent of exosomal secretion.
1 Q61187 (/ISO)
Regulation of extracellular exosome assembly GO:1903551
Any process that modulates the frequency, rate or extent of extracellular vesicular exosome assembly.
1 Q99816 (/IMP)
Regulation of extracellular exosome assembly GO:1903551
Any process that modulates the frequency, rate or extent of extracellular vesicular exosome assembly.
1 Q61187 (/ISO)
Regulation of viral budding via host ESCRT complex GO:1903772
Any process that modulates the frequency, rate or extent of viral budding via host ESCRT complex.
1 Q99816 (/IMP)
Regulation of viral budding via host ESCRT complex GO:1903772
Any process that modulates the frequency, rate or extent of viral budding via host ESCRT complex.
1 Q61187 (/ISO)
Positive regulation of viral budding via host ESCRT complex GO:1903774
Any process that activates or increases the frequency, rate or extent of viral budding via host ESCRT complex.
1 Q99816 (/IMP)
Positive regulation of viral budding via host ESCRT complex GO:1903774
Any process that activates or increases the frequency, rate or extent of viral budding via host ESCRT complex.
1 Q61187 (/ISO)
Exosomal secretion GO:1990182
The process whereby a membrane-bounded vesicle is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane.
1 Q61187 (/IMP)
Positive regulation of ubiquitin-dependent endocytosis GO:2000397
Any process that activates or increases the frequency, rate or extent of ubiquitin-dependent endocytosis.
1 Q61187 (/IMP)

There are 28 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
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
3 Q61187 (/ISS) Q6IRE4 (/ISS) Q9VVA7 (/ISS)
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
2 Q99816 (/IDA) Q9VVA7 (/IDA)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
2 F5H442 (/IDA) Q99816 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q61187 (/IDA) Q99816 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q6IRE4 (/ISS) Q99816 (/ISS)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
2 F5H442 (/IDA) Q99816 (/IDA)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2 F5H442 (/IDA) Q99816 (/IDA)
Endosome membrane GO:0010008
The lipid bilayer surrounding an endosome.
2 O76258 (/IDA) Q6IRE4 (/IDA)
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
1 O76258 (/IPI)
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
1 Q61187 (/ISO)
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
1 Q61187 (/NAS)
ESCRT I complex GO:0000813
An endosomal sorting complex required for transport. It consists of the class E vacuolar protein sorting (Vps) proteins and interacts with ubiquitinated cargoes.
1 Q99816 (/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.
1 Q61187 (/IC)
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 Q6IRE4 (/IDA)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
1 Q61187 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q61187 (/ISO)
Endosome GO:0005768
A vacuole to which materials ingested by endocytosis are delivered.
1 Q99816 (/IDA)
Endosome GO:0005768
A vacuole to which materials ingested by endocytosis are delivered.
1 Q61187 (/ISO)
Early endosome GO:0005769
A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
1 Q99816 (/IDA)
Early endosome GO:0005769
A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
1 Q61187 (/ISO)
Late endosome GO:0005770
A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
1 Q99816 (/IMP)
Late endosome GO:0005770
A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
1 Q61187 (/ISO)
Multivesicular body GO:0005771
A type of endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
1 Q99816 (/TAS)
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 Q61187 (/ISO)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
1 Q61187 (/ISO)
Endosome membrane GO:0010008
The lipid bilayer surrounding an endosome.
1 Q99816 (/TAS)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q99816 (/IDA)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q61187 (/ISO)