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:

"
EF-hand
".

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 59: Plastin 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 17 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
Structural constituent of cytoskeleton GO:0005200
The action of a molecule that contributes to the structural integrity of a cytoskeletal structure.
5 Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS)
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.
5 Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS) Q14651 (/TAS)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
2 P13796 (/NAS) P13796 (/NAS)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
2 P13796 (/IPI) P13796 (/IPI)
Calcium ion binding GO:0005509
Interacting selectively and non-covalently with calcium ions (Ca2+).
2 P13796 (/NAS) P13796 (/NAS)
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 Q3V0K9 (/IPI) Q61233 (/IPI)
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.
2 P13796 (/IMP) P13796 (/IMP)
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.
2 P13796 (/ISS) P13796 (/ISS)
GTPase binding GO:0051020
Interacting selectively and non-covalently with a GTPase, any enzyme that catalyzes the hydrolysis of GTP.
2 P13796 (/IPI) P13796 (/IPI)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
1 P19179 (/TAS)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 Q61233 (/ISO)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 Q61233 (/IPI)
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 Q61233 (/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 Q61233 (/ISO)
GTPase binding GO:0051020
Interacting selectively and non-covalently with a GTPase, any enzyme that catalyzes the hydrolysis of GTP.
1 Q61233 (/ISO)
Structural constituent of presynaptic actin cytoskeleton GO:0098699
The action of a molecule that contributes to the structural integrity of a presynaptic actin cytoskeleton.
1 Q99K51 (/IDA)
Structural constituent of presynaptic actin cytoskeleton GO:0098699
The action of a molecule that contributes to the structural integrity of a presynaptic actin cytoskeleton.
1 Q99K51 (/IMP)

There are 37 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
Bone development GO:0060348
The process whose specific outcome is the progression of bone over time, from its formation to the mature structure. Bone is the hard skeletal connective tissue consisting of both mineral and cellular components.
16 P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP) P13797 (/IMP)
(6 more)
Positive regulation of protein localization to plasma membrane GO:1903078
Any process that activates or increases the frequency, rate or extent of protein localization to plasma membrane.
5 Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS)
T cell activation involved in immune response GO:0002286
The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific, leading to the initiation or perpetuation of an immune response.
2 P13796 (/IDA) P13796 (/IDA)
Protein kinase A signaling GO:0010737
A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase A, which occurs as a result of a single trigger reaction or compound.
2 P13796 (/IMP) P13796 (/IMP)
Cell migration GO:0016477
The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. Cell migration is a central process in the development and maintenance of multicellular organisms.
2 P13796 (/IMP) P13796 (/IMP)
Extracellular matrix disassembly GO:0022617
A process that results in the breakdown of the extracellular matrix.
2 P13796 (/IMP) P13796 (/IMP)
Animal organ regeneration GO:0031100
The regrowth of a lost or destroyed animal organ.
2 A0A0G2K014 (/IEP) Q5XI38 (/IEP)
Regulation of intracellular protein transport GO:0033157
Any process that modulates the frequency, rate or extent of the directed movement of proteins within cells.
2 P13796 (/IDA) P13796 (/IDA)
Interleukin-12-mediated signaling pathway GO:0035722
A series of molecular signals initiated by the binding of interleukin-12 to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.
2 P13796 (/TAS) P13796 (/TAS)
Actin filament bundle assembly GO:0051017
The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
2 P13796 (/IMP) P13796 (/IMP)
Actin filament bundle assembly GO:0051017
The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
2 P13796 (/ISS) P13796 (/ISS)
Positive regulation of podosome assembly GO:0071803
Any process that activates or increases the rate or extent of podosome assembly.
2 P13796 (/IMP) P13796 (/IMP)
Intestinal D-glucose absorption GO:0001951
Uptake of D-glucose into the blood by absorption from the small intestine.
1 Q3V0K9 (/IGI)
T cell activation involved in immune response GO:0002286
The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific, leading to the initiation or perpetuation of an immune response.
1 Q61233 (/ISO)
T cell activation involved in immune response GO:0002286
The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific, leading to the initiation or perpetuation of an immune response.
1 Q61233 (/ISS)
Motor neuron axon guidance GO:0008045
The process in which the migration of an axon growth cone of a motor neuron is directed to a specific target site in response to a combination of attractive and repulsive cues.
1 Q6DG81 (/IMP)
Response to wounding GO:0009611
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 stimulus indicating damage to the organism.
1 Q61233 (/ISO)
Protein kinase A signaling GO:0010737
A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase A, which occurs as a result of a single trigger reaction or compound.
1 Q61233 (/ISO)
Cell migration GO:0016477
The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. Cell migration is a central process in the development and maintenance of multicellular organisms.
1 Q61233 (/ISO)
Extracellular matrix disassembly GO:0022617
A process that results in the breakdown of the extracellular matrix.
1 Q61233 (/ISO)
Bone mineralization GO:0030282
The deposition of hydroxyapatite, a form of calcium phosphate with the formula Ca10(PO4)6(OH)2, in bone tissue.
1 Q6DG81 (/IMP)
Regulation of microvillus length GO:0032532
A process that modulates the length of a microvillus.
1 Q3V0K9 (/IGI)
Regulation of intracellular protein transport GO:0033157
Any process that modulates the frequency, rate or extent of the directed movement of proteins within cells.
1 Q61233 (/ISO)
Regulation of intracellular protein transport GO:0033157
Any process that modulates the frequency, rate or extent of the directed movement of proteins within cells.
1 Q61233 (/ISS)
Positive regulation of multicellular organism growth GO:0040018
Any process that activates or increases the frequency, rate or extent of growth of an organism to reach its usual body size.
1 Q3V0K9 (/IGI)
Inner ear auditory receptor cell differentiation GO:0042491
The process in which a relatively unspecialized inner cell acquires specialized features of an auditory hair cell.
1 Q63598 (/IEP)
Embryonic cranial skeleton morphogenesis GO:0048701
The process in which the anatomical structures of the cranial skeleton are generated and organized during the embryonic phase.
1 Q6DG81 (/IMP)
Actin filament bundle assembly GO:0051017
The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
1 Q61233 (/IDA)
Actin filament bundle assembly GO:0051017
The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
1 Q61233 (/ISO)
Bone development GO:0060348
The process whose specific outcome is the progression of bone over time, from its formation to the mature structure. Bone is the hard skeletal connective tissue consisting of both mineral and cellular components.
1 Q99K51 (/ISO)
Positive regulation of podosome assembly GO:0071803
Any process that activates or increases the rate or extent of podosome assembly.
1 Q61233 (/ISO)
Regulation of synaptic vesicle cycle GO:0098693
Any process that modulates the frequency, rate or extent of the synaptic vesicle cycle.
1 Q99K51 (/IDA)
Regulation of synaptic vesicle cycle GO:0098693
Any process that modulates the frequency, rate or extent of the synaptic vesicle cycle.
1 Q99K51 (/IMP)
Terminal web assembly GO:1902896
The aggregation, arrangement and bonding together of a set of components to form a terminal web.
1 Q3V0K9 (/IGI)
Terminal web assembly GO:1902896
The aggregation, arrangement and bonding together of a set of components to form a terminal web.
1 Q3V0K9 (/IMP)
Positive regulation of protein localization to plasma membrane GO:1903078
Any process that activates or increases the frequency, rate or extent of protein localization to plasma membrane.
1 Q3V0K9 (/IGI)
Positive regulation of protein localization to plasma membrane GO:1903078
Any process that activates or increases the frequency, rate or extent of protein localization to plasma membrane.
1 Q3V0K9 (/IMP)

There are 39 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
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
24 A0A024RDT4 (/IDA) A0A024RDT4 (/IDA) P13796 (/IDA) P13796 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA)
(14 more)
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.
24 A0A024RDT4 (/IDA) A0A024RDT4 (/IDA) P13796 (/IDA) P13796 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA) P13797 (/IDA)
(14 more)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
7 P13796 (/HDA) P13796 (/HDA) Q14651 (/HDA) Q14651 (/HDA) Q14651 (/HDA) Q14651 (/HDA) Q14651 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
6 P13796 (/IDA) P13796 (/IDA) Q3V0K9 (/IDA) Q61233 (/IDA) Q6P698 (/IDA) Q99K51 (/IDA)
Brush border GO:0005903
The dense covering of microvilli on the apical surface of a epithelial cells in tissues such as the intestine, kidney, and choroid plexus; the microvilli aid absorption by increasing the surface area of the cell.
5 Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS) Q14651 (/ISS)
Actin cytoskeleton GO:0015629
The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
5 A0A024RDT4 (/IDA) A0A024RDT4 (/IDA) P13796 (/IDA) P13796 (/IDA) Q5TBN3 (/IDA)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
2 P13796 (/IMP) P13796 (/IMP)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
2 P13796 (/ISS) P13796 (/ISS)
Phagocytic cup GO:0001891
An invagination of the cell membrane formed by an actin dependent process during phagocytosis. Following internalization it is converted into a phagosome.
2 P13796 (/ISS) P13796 (/ISS)
Podosome GO:0002102
An actin-rich adhesion structure characterized by formation upon cell substrate contact and localization at the substrate-attached part of the cell, contain an F-actin-rich core surrounded by a ring structure containing proteins such as vinculin and talin, and have a diameter of 0.5 mm.
2 P13796 (/IDA) P13796 (/IDA)
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
2 P13796 (/HDA) P13796 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P13796 (/NAS) P13796 (/NAS)
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 Q61233 (/ISO) Q99K51 (/ISO)
Actin filament GO:0005884
A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
2 P13796 (/IMP) P13796 (/IMP)
Actin filament GO:0005884
A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
2 P13796 (/ISS) P13796 (/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.
2 Q61233 (/ISO) Q99K51 (/ISO)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
2 P13796 (/IMP) P13796 (/IMP)
Cell junction GO:0030054
A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
2 P13796 (/TAS) P13796 (/TAS)
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.
2 P13796 (/IMP) P13796 (/IMP)
Actin filament bundle GO:0032432
An assembly of actin filaments that are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
2 P13796 (/IMP) P13796 (/IMP)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 Q61233 (/IDA)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 Q61233 (/ISO)
Phagocytic cup GO:0001891
An invagination of the cell membrane formed by an actin dependent process during phagocytosis. Following internalization it is converted into a phagosome.
1 Q61233 (/IDA)
Podosome GO:0002102
An actin-rich adhesion structure characterized by formation upon cell substrate contact and localization at the substrate-attached part of the cell, contain an F-actin-rich core surrounded by a ring structure containing proteins such as vinculin and talin, and have a diameter of 0.5 mm.
1 Q61233 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q61233 (/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 Q61233 (/ISS)
Actin filament GO:0005884
A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
1 Q61233 (/IDA)
Actin filament GO:0005884
A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
1 Q61233 (/ISO)
Brush border GO:0005903
The dense covering of microvilli on the apical surface of a epithelial cells in tissues such as the intestine, kidney, and choroid plexus; the microvilli aid absorption by increasing the surface area of the cell.
1 Q3V0K9 (/IDA)
Brush border GO:0005903
The dense covering of microvilli on the apical surface of a epithelial cells in tissues such as the intestine, kidney, and choroid plexus; the microvilli aid absorption by increasing the surface area of the cell.
1 P19179 (/TAS)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
1 Q61233 (/ISO)
Actin cytoskeleton GO:0015629
The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
1 Q61233 (/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 Q61233 (/ISO)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
1 Q99K51 (/IDA)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
1 Q99K51 (/IMP)
Stereocilium GO:0032420
An actin-based protrusion from the apical surface of auditory and vestibular hair cells and of neuromast cells. These protrusions are supported by a bundle of cross-linked actin filaments (an actin cable), oriented such that the plus (barbed) ends are at the tip of the protrusion, capped by a tip complex which bridges to the plasma. Bundles of stereocilia act as mechanosensory organelles.
1 Q63598 (/IDA)
Stereocilium GO:0032420
An actin-based protrusion from the apical surface of auditory and vestibular hair cells and of neuromast cells. These protrusions are supported by a bundle of cross-linked actin filaments (an actin cable), oriented such that the plus (barbed) ends are at the tip of the protrusion, capped by a tip complex which bridges to the plasma. Bundles of stereocilia act as mechanosensory organelles.
1 Q99K51 (/ISO)
Actin filament bundle GO:0032432
An assembly of actin filaments that are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
1 Q61233 (/ISO)
Terminal web GO:1990357
An actin-rich cytoskeletal network located beneath the microvilli of the apical plasma membrane of polarized epithelial cells. In addition to actin filaments, the terminal web may contain actin-binding proteins, myosin motor proteins, and intermediate filaments. The terminal web can function as a contractile structure that influences the spatial distribution of microvilli as well as the development and morphogenesis of tissues containing polarized epithelial cells.
1 Q3V0K9 (/IDA)
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