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:

"
Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
".

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 19075: Unconventional myosin-X

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 14 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
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.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/ISS)
Actin-dependent ATPase activity GO:0030898
Catalysis of the reaction: ATP + H2O = ADP + phosphate. This reaction requires the presence of an actin filament to accelerate release of ADP and phosphate.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/ISS)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/ISS)
Plus-end directed microfilament motor activity GO:0060002
Catalysis of movement along a microfilament towards the plus end, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). The plus end of an actin filament is the end that preferentially adds actin monomers.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/ISS)
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).
2 F8VQB6 (/IPI) Q9HD67 (/IPI)
Motor activity GO:0003774
Catalysis of the generation of force resulting either in movement along a microfilament or microtubule, or in torque resulting in membrane scission, coupled to the hydrolysis of a nucleoside triphosphate.
1 Q9HD67 (/EXP)
Motor activity GO:0003774
Catalysis of the generation of force resulting either in movement along a microfilament or microtubule, or in torque resulting in membrane scission, coupled to the hydrolysis of a nucleoside triphosphate.
1 F8VQB6 (/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 P79114 (/IDA)
Spectrin binding GO:0030507
Interacting selectively and non-covalently with spectrin, a protein that is the major constituent of the erythrocyte cytoskeletal network. It associates with band 4.1 (see band protein) and actin to form the cytoskeletal superstructure of the erythrocyte plasma membrane. It is composed of nonhomologous chains, alpha and beta, which aggregate side-to-side in an antiparallel fashion to form dimers, tetramers, and higher polymers.
1 Q9HD67 (/IDA)
Spectrin binding GO:0030507
Interacting selectively and non-covalently with spectrin, a protein that is the major constituent of the erythrocyte cytoskeletal network. It associates with band 4.1 (see band protein) and actin to form the cytoskeletal superstructure of the erythrocyte plasma membrane. It is composed of nonhomologous chains, alpha and beta, which aggregate side-to-side in an antiparallel fashion to form dimers, tetramers, and higher polymers.
1 F8VQB6 (/ISO)
Actin-dependent ATPase activity GO:0030898
Catalysis of the reaction: ATP + H2O = ADP + phosphate. This reaction requires the presence of an actin filament to accelerate release of ADP and phosphate.
1 P79114 (/IDA)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
1 P79114 (/IDA)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
1 F8VQB6 (/ISO)
Plus-end directed microfilament motor activity GO:0060002
Catalysis of movement along a microfilament towards the plus end, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). The plus end of an actin filament is the end that preferentially adds actin monomers.
1 P79114 (/IDA)

There are 12 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
Cytoskeleton-dependent intracellular transport GO:0030705
The directed movement of substances along cytoskeletal fibers such as microfilaments or microtubules within a cell.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/ISS)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
2 P79114 (/IMP) Q9HD67 (/IMP)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
2 D3ZJP6 (/ISS) F8VQB6 (/ISS)
Regulation of filopodium assembly GO:0051489
Any process that modulates the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
2 D3ZJP6 (/ISS) F8VQB6 (/ISS)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
1 F8VQB6 (/ISO)
Positive regulation of cell-cell adhesion GO:0022409
Any process that activates or increases the rate or extent of cell adhesion to another cell.
1 F8VQB6 (/IGI)
Cytoskeleton-dependent intracellular transport GO:0030705
The directed movement of substances along cytoskeletal fibers such as microfilaments or microtubules within a cell.
1 P79114 (/IDA)
Fc-gamma receptor signaling pathway involved in phagocytosis GO:0038096
An Fc-gamma receptor signaling pathway that contributes to the endocytic engulfment of external particulate material by phagocytes.
1 Q9HD67 (/TAS)
Cell motility GO:0048870
Any process involved in the controlled self-propelled movement of a cell that results in translocation of the cell from one place to another.
1 F8VQB6 (/IC)
Regulation of filopodium assembly GO:0051489
Any process that modulates the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
1 P79114 (/IDA)
Regulation of filopodium assembly GO:0051489
Any process that modulates the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
1 Q9HD67 (/IMP)
Regulation of filopodium assembly GO:0051489
Any process that modulates the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
1 F8VQB6 (/ISO)

There are 16 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
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.
3 A0A0A0MQX1 (/IDA) E9PEW5 (/IDA) Q9HD67 (/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.
3 A0A0A0MQX1 (/IDA) E9PEW5 (/IDA) Q9HD67 (/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.
3 A0A0A0MQX1 (/IDA) E9PEW5 (/IDA) Q9HD67 (/IDA)
Filopodium tip GO:0032433
The end of a filopodium distal to the body of the cell.
3 D3ZJP6 (/ISS) F8VQB6 (/ISS) Q9HD67 (/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 P79114 (/TAS) Q9HD67 (/TAS)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 P79114 (/IDA)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 F8VQB6 (/ISO)
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 F8VQB6 (/ISO)
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 F8VQB6 (/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 F8VQB6 (/ISO)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
1 P79114 (/IDA)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
1 F8VQB6 (/ISO)
Filopodium GO:0030175
Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
1 F8VQB6 (/IDA)
Filopodium tip GO:0032433
The end of a filopodium distal to the body of the cell.
1 P79114 (/IDA)
Neuron projection GO:0043005
A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
1 F8VQB6 (/IDA)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
1 F8VQB6 (/IDA)