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:

"
Arfaptin homology (AH) domain/BAR 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 26: 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 7 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)
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)
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)

There are 9 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.
2 O94868 (/ISS) O94868 (/ISS)
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)
Positive regulation of actin filament polymerization GO:0030838
Any process that activates or increases the frequency, rate or extent of actin polymerization.
1 Q3USJ8 (/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.
1 Q3USJ8 (/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)
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