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:

"
SH3 Domains
".

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 389: RAS p21 protein activator (GTPase activating prote...

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 13 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
Phosphotyrosine residue binding GO:0001784
Interacting selectively and non-covalently with a phosphorylated tyrosine residue within a protein.
1 Q3V090 (/ISO)
GTPase activator activity GO:0005096
Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
1 Q3V090 (/ISO)
Signaling receptor binding GO:0005102
Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
1 Q3V090 (/ISO)
Platelet-derived growth factor receptor binding GO:0005161
Interacting selectively and non-covalently with the platelet-derived growth factor receptor.
1 Q3V090 (/ISO)
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).
1 Q3V090 (/IPI)
Transcription factor binding GO:0008134
Interacting selectively and non-covalently with a transcription factor, a protein required to initiate or regulate transcription.
1 Q3V090 (/ISO)
Kinase binding GO:0019900
Interacting selectively and non-covalently with a kinase, any enzyme that catalyzes the transfer of a phosphate group.
1 Q3V090 (/ISO)
Receptor tyrosine kinase binding GO:0030971
Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
1 Q3V090 (/ISO)
Protein kinase B binding GO:0043422
Interacting selectively and non-covalently with protein kinase B, an intracellular kinase that is important in regulating glucose metabolism.
1 Q3V090 (/ISO)
Ion channel binding GO:0044325
Interacting selectively and non-covalently with one or more specific sites on an ion channel, a protein complex that spans a membrane and forms a water-filled channel across the phospholipid bilayer allowing selective ion transport down its electrochemical gradient.
1 Q3V090 (/ISO)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
1 Q3V090 (/ISO)
GTPase binding GO:0051020
Interacting selectively and non-covalently with a GTPase, any enzyme that catalyzes the hydrolysis of GTP.
1 Q3V090 (/ISO)
Protein tyrosine kinase binding GO:1990782
Interacting selectively and non-covalently with protein tyrosine kinase.
1 Q3V090 (/ISO)

There are 22 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
Vasculogenesis GO:0001570
The differentiation of endothelial cells from progenitor cells during blood vessel development, and the de novo formation of blood vessels and tubes.
1 Q3V090 (/ISS)
Positive regulation of protein phosphorylation GO:0001934
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
1 Q3V090 (/ISO)
Negative regulation of cell-matrix adhesion GO:0001953
Any process that stops, prevents, or reduces the rate or extent of cell adhesion to the extracellular matrix.
1 Q3V090 (/ISO)
Negative regulation of cell-matrix adhesion GO:0001953
Any process that stops, prevents, or reduces the rate or extent of cell adhesion to the extracellular matrix.
1 Q3V090 (/ISS)
Negative regulation of cell adhesion GO:0007162
Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
1 Q3V090 (/ISO)
Negative regulation of cell adhesion GO:0007162
Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
1 Q3V090 (/ISS)
Signal transduction GO:0007165
The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
1 Q3V090 (/ISO)
Signal transduction GO:0007165
The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
1 Q3V090 (/ISS)
Regulation of actin filament polymerization GO:0030833
Any process that modulates the frequency, rate or extent of the assembly of actin filaments by the addition of actin monomers to a filament.
1 Q3V090 (/ISO)
Regulation of actin filament polymerization GO:0030833
Any process that modulates the frequency, rate or extent of the assembly of actin filaments by the addition of actin monomers to a filament.
1 Q3V090 (/ISS)
Cellular response to platelet-derived growth factor stimulus GO:0036120
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a platelet-derived growth factor stimulus.
1 Q3V090 (/ISO)
Response to drug GO:0042493
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 drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.
1 Q3V090 (/ISO)
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.
1 Q3V090 (/ISO)
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.
1 Q3V090 (/ISS)
Negative regulation of neuron apoptotic process GO:0043524
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process in neurons.
1 Q3V090 (/ISS)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
1 Q3V090 (/ISO)
Positive regulation of glucose import GO:0046326
Any process that activates or increases the frequency, rate or extent of the import of the hexose monosaccharide glucose into a cell or organelle.
1 Q3V090 (/ISO)
Positive regulation of fibroblast proliferation GO:0048146
Any process that activates or increases the frequency, rate or extent of multiplication or reproduction of fibroblast cells.
1 Q3V090 (/ISO)
Blood vessel morphogenesis GO:0048514
The process in which the anatomical structures of blood vessels are generated and organized. The blood vessel is the vasculature carrying blood.
1 Q3V090 (/ISO)
Positive regulation of peptidyl-tyrosine phosphorylation GO:0050731
Any process that activates or increases the frequency, rate or extent of the phosphorylation of peptidyl-tyrosine.
1 Q3V090 (/ISO)
Cellular response to epidermal growth factor stimulus GO:0071364
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an epidermal growth factor stimulus.
1 Q3V090 (/ISO)
Activation of GTPase activity GO:0090630
Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
1 Q3V090 (/ISO)

There are 6 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
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 Q3V090 (/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.
1 Q3V090 (/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 Q3V090 (/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.
1 Q3V090 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q3V090 (/ISO)
Nuclear membrane GO:0031965
Either of the lipid bilayers that surround the nucleus and form the nuclear envelope; excludes the intermembrane space.
1 Q3V090 (/ISO)
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