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 33: FCH and double SH3 domains protein 2

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 11 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 O94868 (/IPI) O94868 (/IPI) Q3USJ8 (/IPI)
Phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547
Interacting selectively and non-covalently with phosphatidylinositol-3,4,5-trisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3', 4' and 5' positions.
2 O94868 (/IDA) O94868 (/IDA)
Phosphatidylinositol-3,4-bisphosphate binding GO:0043325
Interacting selectively and non-covalently with phosphatidylinositol-3,4-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3' and 4' positions.
2 O94868 (/IDA) O94868 (/IDA)
Protein kinase C binding GO:0005080
Interacting selectively and non-covalently with protein kinase C.
1 A0A0K3AV08 (/IPI)
Phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547
Interacting selectively and non-covalently with phosphatidylinositol-3,4,5-trisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3', 4' and 5' positions.
1 Q3USJ8 (/ISO)
Phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547
Interacting selectively and non-covalently with phosphatidylinositol-3,4,5-trisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3', 4' and 5' positions.
1 Q3USJ8 (/ISS)
Protein kinase binding GO:0019901
Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
1 A0A0K3AV08 (/IPI)
Receptor tyrosine kinase binding GO:0030971
Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
1 A0A0K3AV08 (/IPI)
Phosphatidylinositol-3,4-bisphosphate binding GO:0043325
Interacting selectively and non-covalently with phosphatidylinositol-3,4-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3' and 4' positions.
1 Q3USJ8 (/ISO)
Phosphatidylinositol-3,4-bisphosphate binding GO:0043325
Interacting selectively and non-covalently with phosphatidylinositol-3,4-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3' and 4' positions.
1 Q3USJ8 (/ISS)
Scaffold protein binding GO:0097110
Interacting selectively and non-covalently with a scaffold protein. Scaffold proteins are crucial regulators of many key signaling pathways. Although not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes.
1 A0A0K3AV08 (/IPI)

There are 24 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
Positive regulation of actin filament polymerization GO:0030838
Any process that activates or increases the frequency, rate or extent of actin polymerization.
3 O94868 (/ISS) O94868 (/ISS) Q86WN1 (/ISS)
Positive regulation of actin filament polymerization GO:0030838
Any process that activates or increases the frequency, rate or extent of actin polymerization.
2 Q3USJ8 (/IDA) Q6PFY1 (/IDA)
Multi-organism membrane organization GO:0044803
A process which results in the assembly, arrangement of constituent parts, or disassembly of a membrane, involving more than one organism.
2 Q3USJ8 (/IMP) Q6PFY1 (/IMP)
Clathrin-dependent endocytosis GO:0072583
An endocytosis process that begins when material is taken up into clathrin-coated pits, which then pinch off to form clathrin-coated endocytic vesicles.
2 O94868 (/IMP) O94868 (/IMP)
Positive regulation of Arp2/3 complex-mediated actin nucleation GO:2000601
Any process that activates or increases the frequency, rate or extent of Arp2/3 complex-mediated actin nucleation.
2 O94868 (/IMP) O94868 (/IMP)
Activation of MAPK activity GO:0000187
The initiation of the activity of the inactive enzyme MAP kinase (MAPK).
1 A0A0K3AV08 (/IMP)
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 A0A0K3AV08 (/IMP)
Protein phosphorylation GO:0006468
The process of introducing a phosphate group on to a protein.
1 A0A0K3AV08 (/IMP)
Determination of adult lifespan GO:0008340
The control of viability and duration in the adult phase of the life-cycle.
1 A0A0K3AV08 (/IGI)
Determination of adult lifespan GO:0008340
The control of viability and duration in the adult phase of the life-cycle.
1 A0A0K3AV08 (/IMP)
Axon regeneration GO:0031103
The regrowth of axons following their loss or damage.
1 A0A0K3AV08 (/IGI)
P38MAPK cascade GO:0038066
An intracellular protein kinase cascade containing at least a p38 MAPK, a MAPKK and a MAP3K. The cascade can also contain an additional tier: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinases in the downstream tier to transmit a signal within a cell.
1 A0A0K3AV08 (/IMP)
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 A0A0K3AV08 (/IGI)
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 A0A0K3AV08 (/IMP)
Response to copper ion GO:0046688
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 copper ion stimulus.
1 A0A0K3AV08 (/IMP)
Positive regulation of axon regeneration GO:0048680
Any process that activates, maintains or increases the rate of axon regeneration.
1 A0A0K3AV08 (/IGI)
Positive regulation of axon regeneration GO:0048680
Any process that activates, maintains or increases the rate of axon regeneration.
1 A0A0K3AV08 (/IMP)
Positive regulation of axon extension involved in regeneration GO:0048691
Any process that activates, maintains or increases the rate of axon extension involved in regeneration.
1 A0A0K3AV08 (/IMP)
Defense response to Gram-negative bacterium GO:0050829
Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.
1 A0A0K3AV08 (/IGI)
Defense response to Gram-negative bacterium GO:0050829
Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.
1 A0A0K3AV08 (/IMP)
Clathrin-dependent endocytosis GO:0072583
An endocytosis process that begins when material is taken up into clathrin-coated pits, which then pinch off to form clathrin-coated endocytic vesicles.
1 Q3USJ8 (/ISO)
Clathrin-dependent endocytosis GO:0072583
An endocytosis process that begins when material is taken up into clathrin-coated pits, which then pinch off to form clathrin-coated endocytic vesicles.
1 Q3USJ8 (/ISS)
Positive regulation of Arp2/3 complex-mediated actin nucleation GO:2000601
Any process that activates or increases the frequency, rate or extent of Arp2/3 complex-mediated actin nucleation.
1 Q3USJ8 (/ISO)
Positive regulation of Arp2/3 complex-mediated actin nucleation GO:2000601
Any process that activates or increases the frequency, rate or extent of Arp2/3 complex-mediated actin nucleation.
1 Q3USJ8 (/ISS)

There are 5 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
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 O94868 (/IDA) O94868 (/IDA)
Stereocilium shaft GO:0120043
The shaft comprises the majority of the length of the stereocilium. This region is notable for the extreme stability of actin filaments, which are highly crosslinked into a parallel bundle.
2 O94868 (/ISS) O94868 (/ISS)
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 Q3USJ8 (/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 Q3USJ8 (/ISS)
Stereocilium shaft GO:0120043
The shaft comprises the majority of the length of the stereocilium. This region is notable for the extreme stability of actin filaments, which are highly crosslinked into a parallel bundle.
1 Q3USJ8 (/IDA)