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:

"
Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
".

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 264801: cDNA FLJ58509, highly similar to Cullin-1

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 6 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).
3 Q13616 (/IPI) Q24311 (/IPI) Q9WTX6 (/IPI)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
1 Q13616 (/EXP)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
1 Q9WTX6 (/ISO)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
1 O60999 (/ISS)
Ubiquitin-protein transferase activity GO:0004842
Catalysis of the transfer of ubiquitin from one protein to another via the reaction X-Ub + Y --> Y-Ub + X, where both X-Ub and Y-Ub are covalent linkages.
1 Q13616 (/TAS)
Ubiquitin protein ligase binding GO:0031625
Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
1 Q24311 (/IPI)

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
SCF-dependent proteasomal ubiquitin-dependent protein catabolic process GO:0031146
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, with ubiquitin-protein ligation catalyzed by an SCF (Skp1/Cul1/F-box protein) complex, and mediated by the proteasome.
2 Q13616 (/IDA) Q9WTX6 (/IDA)
SCF-dependent proteasomal ubiquitin-dependent protein catabolic process GO:0031146
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, with ubiquitin-protein ligation catalyzed by an SCF (Skp1/Cul1/F-box protein) complex, and mediated by the proteasome.
2 Q13616 (/ISS) Q5R4G6 (/ISS)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
2 Q17389 (/IMP) Q24311 (/IMP)
Reproduction GO:0000003
The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms.
1 Q17389 (/IMP)
G1/S transition of mitotic cell cycle GO:0000082
The mitotic cell cycle transition by which a cell in G1 commits to S phase. The process begins with the build up of G1 cyclin-dependent kinase (G1 CDK), resulting in the activation of transcription of G1 cyclins. The process ends with the positive feedback of the G1 cyclins on the G1 CDK which commits the cell to S phase, in which DNA replication is initiated.
1 O60999 (/ISS)
G1/S transition of mitotic cell cycle GO:0000082
The mitotic cell cycle transition by which a cell in G1 commits to S phase. The process begins with the build up of G1 cyclin-dependent kinase (G1 CDK), resulting in the activation of transcription of G1 cyclins. The process ends with the positive feedback of the G1 cyclins on the G1 CDK which commits the cell to S phase, in which DNA replication is initiated.
1 Q13616 (/TAS)
G2/M transition of mitotic cell cycle GO:0000086
The mitotic cell cycle transition by which a cell in G2 commits to M phase. The process begins when the kinase activity of M cyclin/CDK complex reaches a threshold high enough for the cell cycle to proceed. This is accomplished by activating a positive feedback loop that results in the accumulation of unphosphorylated and active M cyclin/CDK complex.
1 Q13616 (/TAS)
Protein polyubiquitination GO:0000209
Addition of multiple ubiquitin groups to a protein, forming a ubiquitin chain.
1 Q13616 (/TAS)
Nematode larval development GO:0002119
The process whose specific outcome is the progression of the nematode larva over time, from its formation to the mature structure. Nematode larval development begins with the newly hatched first-stage larva (L1) and ends with the end of the last larval stage (for example the fourth larval stage (L4) in C. elegans). Each stage of nematode larval development is characterized by proliferation of specific cell lineages and an increase in body size without alteration of the basic body plan. Nematode larval stages are separated by molts in which each stage-specific exoskeleton, or cuticle, is shed and replaced anew.
1 Q17389 (/IMP)
Stimulatory C-type lectin receptor signaling pathway GO:0002223
Any series of molecular signals generated as a consequence of binding to a C-type lectin receptor capable of cellular activation.
1 Q13616 (/TAS)
Ubiquitin-dependent protein catabolic process GO:0006511
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein.
1 Q9WTX6 (/IC)
Protein monoubiquitination GO:0006513
Addition of a single ubiquitin group to a protein.
1 Q9WTX6 (/IGI)
Cellular iron ion homeostasis GO:0006879
Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.
1 Q13616 (/TAS)
Apoptotic process GO:0006915
A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
1 Q9WTX6 (/IMP)
Chemotaxis GO:0006935
The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 O60999 (/IMP)
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 Q13616 (/TAS)
Mitotic G2 DNA damage checkpoint GO:0007095
A mitotic cell cycle checkpoint that detects and negatively regulates progression through the G2/M transition of the cell cycle in response to DNA damage.
1 Q24311 (/IGI)
Cell proliferation GO:0008283
The multiplication or reproduction of cells, resulting in the expansion of a cell population.
1 Q9WTX6 (/IMP)
Negative regulation of cell proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 Q17389 (/IMP)
Negative regulation of cell proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 Q13616 (/TAS)
Determination of adult lifespan GO:0008340
The control of viability and duration in the adult phase of the life-cycle.
1 Q17389 (/IMP)
Regulation of cell size GO:0008361
Any process that modulates the size of a cell.
1 Q17389 (/IMP)
Embryo development ending in birth or egg hatching GO:0009792
The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell.
1 Q17389 (/IMP)
Animal organ morphogenesis GO:0009887
Morphogenesis of an animal organ. An organ is defined as a tissue or set of tissues that work together to perform a specific function or functions. Morphogenesis is the process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
1 Q9WTX6 (/IMP)
SCF complex assembly GO:0010265
The aggregation, arrangement and bonding together of a set of components to form the SKP1-Cullin/Cdc53-F-box protein ubiquitin ligase (SCF) complex.
1 Q13616 (/TAS)
Negative regulation of centrosome duplication GO:0010826
Any process that decreases the frequency, rate or extent of centrosome duplication. Centrosome duplication is the replication of a centrosome, a structure comprised of a pair of centrioles and peri-centriolar material from which a microtubule spindle apparatus is organized.
1 Q17389 (/IMP)
Regulation of glucose metabolic process GO:0010906
Any process that modulates the rate, frequency or extent of glucose metabolism. Glucose metabolic processes are the chemical reactions and pathways involving glucose, the aldohexose gluco-hexose.
1 Q24311 (/IMP)
Negative regulation of G2/M transition of mitotic cell cycle GO:0010972
Any cell cycle regulatory process that decreases the rate or extent of progression of a cell from G2 to M phase of the mitotic cell cycle.
1 Q13616 (/TAS)
Wnt signaling pathway GO:0016055
The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
1 Q13616 (/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 Q24311 (/IMP)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
1 Q24311 (/IC)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
1 Q13616 (/IDA)
Protein ubiquitination GO:0016567
The process in which one or more ubiquitin groups are added to a protein.
1 Q9WTX6 (/ISO)
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 O60999 (/IMP)
Protein catabolic process GO:0030163
The chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
1 Q24311 (/IMP)
Sorocarp development GO:0030587
The process whose specific outcome is the progression of the sorocarp over time, from its formation to the mature structure. The process begins with the aggregation of individual cells and ends with the mature sorocarp. The sorocarp is a structure containing a spore-bearing sorus that sits on top of a stalk. An example of this process is found in Dictyostelium discoideum.
1 O60999 (/IMP)
SCF-dependent proteasomal ubiquitin-dependent protein catabolic process GO:0031146
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, with ubiquitin-protein ligation catalyzed by an SCF (Skp1/Cul1/F-box protein) complex, and mediated by the proteasome.
1 Q9WTX6 (/ISO)
SCF-dependent proteasomal ubiquitin-dependent protein catabolic process GO:0031146
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, with ubiquitin-protein ligation catalyzed by an SCF (Skp1/Cul1/F-box protein) complex, and mediated by the proteasome.
1 Q13616 (/TAS)
Regulation of protein stability GO:0031647
Any process that affects the structure and integrity of a protein, altering the likelihood of its degradation or aggregation.
1 Q17389 (/IMP)
Negative regulation of TOR signaling GO:0032007
Any process that stops, prevents, or reduces the frequency, rate or extent of TOR signaling.
1 Q24311 (/IGI)
NIK/NF-kappaB signaling GO:0038061
The process in which a signal is passed on to downstream components within the cell through the NIK-dependent processing and activation of NF-KappaB. Begins with activation of the NF-KappaB-inducing kinase (NIK), which in turn phosphorylates and activates IkappaB kinase alpha (IKKalpha). IKKalpha phosphorylates the NF-Kappa B2 protein (p100) leading to p100 processing and release of an active NF-KappaB (p52).
1 Q13616 (/TAS)
Fc-epsilon receptor signaling pathway GO:0038095
A series of molecular signals initiated by the binding of the Fc portion of immunoglobulin E (IgE) to an Fc-epsilon receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.
1 Q13616 (/TAS)
Response to starvation GO:0042594
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a starvation stimulus, deprivation of nourishment.
1 Q17389 (/IMP)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 Q17389 (/IMP)
Proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
1 Q13616 (/TAS)
Negative regulation of DNA damage response, signal transduction by p53 class mediator GO:0043518
Any process that stops, prevents, or reduces the frequency, rate or extent of the cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage.
1 Q17389 (/IMP)
Post-translational protein modification GO:0043687
The process of covalently altering one or more amino acids in a protein after the protein has been completely translated and released from the ribosome.
1 Q13616 (/TAS)
Negative regulation of mitotic cell cycle GO:0045930
Any process that stops, prevents or reduces the rate or extent of progression through the mitotic cell cycle.
1 Q17389 (/IMP)
Negative regulation of insulin receptor signaling pathway GO:0046627
Any process that stops, prevents, or reduces the frequency, rate or extent of insulin receptor signaling.
1 Q24311 (/IGI)
T cell receptor signaling pathway GO:0050852
A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
1 Q13616 (/TAS)
Stress-activated MAPK cascade GO:0051403
A series of molecular signals in which a stress-activated MAP kinase cascade relays one or more of the signals; MAP kinase cascades involve at least three protein kinase activities and culminate in the phosphorylation and activation of a MAP kinase.
1 Q13616 (/TAS)
Positive regulation of ubiquitin-protein ligase activity involved in regulation of mitotic cell cycle transition GO:0051437
Any process that activates, maintains or increases the rate of ubiquitin ligase activity that contributes to the regulation of the mitotic cell cycle phase transition.
1 Q13616 (/TAS)
Intrinsic apoptotic signaling pathway GO:0097193
A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway starts with reception of an intracellular signal (e.g. DNA damage, endoplasmic reticulum stress, oxidative stress etc.), and ends when the execution phase of apoptosis is triggered. The intrinsic apoptotic signaling pathway is crucially regulated by permeabilization of the mitochondrial outer membrane (MOMP).
1 Q13616 (/TAS)

There are 11 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
SCF ubiquitin ligase complex GO:0019005
A ubiquitin ligase complex in which a cullin from the Cul1 subfamily and a RING domain protein form the catalytic core; substrate specificity is conferred by a Skp1 adaptor and an F-box protein. SCF complexes are involved in targeting proteins for degradation by the proteasome. The best characterized complexes are those from yeast and mammals (with core subunits named Cdc53/Cul1, Rbx1/Hrt1/Roc1).
4 O60999 (/IDA) Q13616 (/IDA) Q24311 (/IDA) Q9WTX6 (/IDA)
SCF ubiquitin ligase complex GO:0019005
A ubiquitin ligase complex in which a cullin from the Cul1 subfamily and a RING domain protein form the catalytic core; substrate specificity is conferred by a Skp1 adaptor and an F-box protein. SCF complexes are involved in targeting proteins for degradation by the proteasome. The best characterized complexes are those from yeast and mammals (with core subunits named Cdc53/Cul1, Rbx1/Hrt1/Roc1).
3 Q13616 (/ISS) Q5R4G6 (/ISS) Q9WTX6 (/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 Q24311 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q13616 (/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 Q13616 (/TAS)
SCF ubiquitin ligase complex GO:0019005
A ubiquitin ligase complex in which a cullin from the Cul1 subfamily and a RING domain protein form the catalytic core; substrate specificity is conferred by a Skp1 adaptor and an F-box protein. SCF complexes are involved in targeting proteins for degradation by the proteasome. The best characterized complexes are those from yeast and mammals (with core subunits named Cdc53/Cul1, Rbx1/Hrt1/Roc1).
1 Q9WTX6 (/ISO)
SCF ubiquitin ligase complex GO:0019005
A ubiquitin ligase complex in which a cullin from the Cul1 subfamily and a RING domain protein form the catalytic core; substrate specificity is conferred by a Skp1 adaptor and an F-box protein. SCF complexes are involved in targeting proteins for degradation by the proteasome. The best characterized complexes are those from yeast and mammals (with core subunits named Cdc53/Cul1, Rbx1/Hrt1/Roc1).
1 Q24311 (/NAS)
Cullin-RING ubiquitin ligase complex GO:0031461
Any ubiquitin ligase complex in which the catalytic core consists of a member of the cullin family and a RING domain protein; the core is associated with one or more additional proteins that confer substrate specificity.
1 Q13616 (/IDA)
Cullin-RING ubiquitin ligase complex GO:0031461
Any ubiquitin ligase complex in which the catalytic core consists of a member of the cullin family and a RING domain protein; the core is associated with one or more additional proteins that confer substrate specificity.
1 Q9WTX6 (/ISO)
Parkin-FBXW7-Cul1 ubiquitin ligase complex GO:1990452
A ubiquitin ligase complex containing Parkin (PARK2), the F-box protein FBXW7 (also called SEL-10) and a cullin from the Cul1 subfamily; substrate specificity is conferred by the F-box protein.
1 Q13616 (/IPI)
Parkin-FBXW7-Cul1 ubiquitin ligase complex GO:1990452
A ubiquitin ligase complex containing Parkin (PARK2), the F-box protein FBXW7 (also called SEL-10) and a cullin from the Cul1 subfamily; substrate specificity is conferred by the F-box protein.
1 Q9WTX6 (/ISO)