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 13: Microtubule-actin cross-linking factor 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 16 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).
5 D3ZHV2 (/IPI) Q03001 (/IPI) Q91ZU6 (/IPI) Q9QXZ0 (/IPI) Q9UPN3 (/IPI)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
2 Q9QXZ0 (/IDA) Q9UPN3 (/IDA)
Microtubule binding GO:0008017
Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.
2 Q91ZU6 (/IDA) Q9QXZ0 (/IDA)
ATPase activity GO:0016887
Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
2 D3ZHV2 (/ISS) Q9UPN3 (/ISS)
Microtubule minus-end binding GO:0051011
Interacting selectively and non-covalently with the minus end of a microtubule.
2 D3ZHV2 (/ISS) Q9QXZ0 (/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.
2 D3ZHV2 (/ISS) Q9QXZ0 (/ISS)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
1 Q9UPN3 (/HDA)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 Q03001 (/IPI)
Protein C-terminus binding GO:0008022
Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxyl function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
1 Q03001 (/IPI)
ATPase activity GO:0016887
Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
1 Q9QXZ0 (/IDA)
Cadherin binding GO:0045296
Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion.
1 Q9UPN3 (/HDA)
Microtubule plus-end binding GO:0051010
Interacting selectively and non-covalently with the plus end of a microtubule.
1 Q03001 (/IDA)
Microtubule plus-end binding GO:0051010
Interacting selectively and non-covalently with the plus end of a microtubule.
1 Q91ZU6 (/ISS)
Microtubule minus-end binding GO:0051011
Interacting selectively and non-covalently with the minus end of a microtubule.
1 Q9UPN3 (/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 Q9UPN3 (/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 Q9UPN3 (/NAS)

There are 38 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
Regulation of focal adhesion assembly GO:0051893
Any process that modulates the frequency, rate or extent of focal adhesion formation, the establishment and maturation of focal adhesions.
3 D3ZHV2 (/ISS) Q9QXZ0 (/ISS) Q9UPN3 (/ISS)
Axis specification GO:0009798
The establishment, maintenance and elaboration of a pattern along a line or around a point.
2 E9QFS3 (/IMP) F1RA35 (/IMP)
Regulation of epithelial cell migration GO:0010632
Any process that modulates the frequency, rate or extent of epithelial cell migration.
2 D3ZHV2 (/ISS) Q9UPN3 (/ISS)
Positive regulation of Wnt signaling pathway GO:0030177
Any process that activates or increases the frequency, rate or extent of Wnt signal transduction.
2 D3ZHV2 (/IMP) Q9QXZ0 (/IMP)
Regulation of cell migration GO:0030334
Any process that modulates the frequency, rate or extent of cell migration.
2 D3ZHV2 (/ISS) Q9QXZ0 (/ISS)
Regulation of microtubule-based process GO:0032886
Any process that modulates the frequency, rate or extent of any cellular process that depends upon or alters the microtubule cytoskeleton.
2 Q9QXZ0 (/IMP) Q9UPN3 (/IMP)
Regulation of microtubule-based process GO:0032886
Any process that modulates the frequency, rate or extent of any cellular process that depends upon or alters the microtubule cytoskeleton.
2 D3ZHV2 (/ISS) Q9QXZ0 (/ISS)
Wound healing GO:0042060
The series of events that restore integrity to a damaged tissue, following an injury.
2 D3ZHV2 (/ISS) Q9UPN3 (/ISS)
Golgi to plasma membrane protein transport GO:0043001
The directed movement of proteins from the Golgi to the plasma membrane in transport vesicles that move from the trans-Golgi network to the plasma membrane.
2 D3ZHV2 (/ISS) Q9QXZ0 (/ISS)
Oocyte animal/vegetal axis specification GO:0060832
The establishment, maintenance and elaboration of the animal/vegetal axis in the oocyte. The animal/vegetal axis of an oocyte is defined by the placement of the nucleus in the oocyte and can sometimes be identified by the asymmetric placement of other substances such as yolk in the oocyte. The pole of the egg that is closest to the nucleus defines the animal end, with the axis passing through the nucleus.
2 E9QFS3 (/IMP) F1RA35 (/IMP)
Mesoderm formation GO:0001707
The process that gives rise to the mesoderm. This process pertains to the initial formation of the structure from unspecified parts.
1 Q9QXZ0 (/IMP)
Posttranslational protein targeting to endoplasmic reticulum membrane GO:0006620
The targeting of proteins to a membrane that occurs after their translation. Some secretory proteins exhibit posttranslational transport into the endoplasmic reticulum (ER) lumen: they are synthesized in their entirety on free cytosolic ribosomes and then released into the cytosol, where they are bound by chaperones which keep them in an unfolded state, and subsequently are translocated across the ER membrane.
1 Q9QXZ0 (/IMP)
Cytoskeleton organization GO:0007010
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures.
1 Q03001 (/IMP)
Establishment or maintenance of cell polarity GO:0007163
Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.
1 Q9QXZ0 (/IMP)
Integrin-mediated signaling pathway GO:0007229
A series of molecular signals initiated by the binding of extracellular ligand to an integrin on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q03001 (/NAS)
Axonogenesis GO:0007409
De novo generation of a long process of a neuron, including the terminal branched region. Refers to the morphogenesis or creation of shape or form of the developing axon, which carries efferent (outgoing) action potentials from the cell body towards target cells.
1 Q91ZU6 (/IMP)
Retrograde axonal transport GO:0008090
The directed movement of organelles or molecules along microtubules from the cell periphery toward the cell body in nerve cell axons.
1 Q91ZU6 (/IMP)
Retrograde axonal transport GO:0008090
The directed movement of organelles or molecules along microtubules from the cell periphery toward the cell body in nerve cell axons.
1 Q03001 (/ISS)
Protein localization GO:0008104
Any process in which a protein is transported to, or maintained in, a specific location.
1 Q9QXZ0 (/ISO)
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 Q03001 (/IDA)
Regulation of epithelial cell migration GO:0010632
Any process that modulates the frequency, rate or extent of epithelial cell migration.
1 Q9QXZ0 (/IMP)
Wnt signaling pathway GO:0016055
The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
1 Q9QXZ0 (/IGI)
Wnt signaling pathway GO:0016055
The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
1 Q9QXZ0 (/IMP)
Maintenance of cell polarity GO:0030011
The maintenance of established anisotropic intracellular organization or cell growth patterns.
1 Q03001 (/IMP)
Positive regulation of Wnt signaling pathway GO:0030177
Any process that activates or increases the frequency, rate or extent of Wnt signal transduction.
1 Q9QXZ0 (/ISO)
Positive regulation of Wnt signaling pathway GO:0030177
Any process that activates or increases the frequency, rate or extent of Wnt signal transduction.
1 Q9UPN3 (/ISS)
Regulation of cell migration GO:0030334
Any process that modulates the frequency, rate or extent of cell migration.
1 Q9UPN3 (/IDA)
Regulation of microtubule polymerization or depolymerization GO:0031110
Any process that modulates the frequency, rate or extent of microtubule polymerization or depolymerization by the addition or removal of tubulin heterodimers from a microtubule.
1 Q91ZU6 (/IMP)
Cytoplasmic microtubule organization GO:0031122
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of structures formed of microtubules and associated proteins in the cytoplasm of a cell.
1 Q91ZU6 (/IMP)
Wound healing GO:0042060
The series of events that restore integrity to a damaged tissue, following an injury.
1 Q9QXZ0 (/IMP)
Golgi to plasma membrane protein transport GO:0043001
The directed movement of proteins from the Golgi to the plasma membrane in transport vesicles that move from the trans-Golgi network to the plasma membrane.
1 Q9UPN3 (/IDA)
Intermediate filament cytoskeleton organization GO:0045104
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising intermediate filaments and their associated proteins.
1 Q03001 (/IEP)
Intermediate filament cytoskeleton organization GO:0045104
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising intermediate filaments and their associated proteins.
1 Q91ZU6 (/ISS)
Intermediate filament cytoskeleton organization GO:0045104
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising intermediate filaments and their associated proteins.
1 Q03001 (/NAS)
Positive regulation of axon extension GO:0045773
Any process that activates or increases the frequency, rate or extent of axon extension.
1 Q9UPN3 (/IDA)
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 Q03001 (/IMP)
Regulation of focal adhesion assembly GO:0051893
Any process that modulates the frequency, rate or extent of focal adhesion formation, the establishment and maturation of focal adhesions.
1 Q9UPN3 (/IDA)
Regulation of focal adhesion assembly GO:0051893
Any process that modulates the frequency, rate or extent of focal adhesion formation, the establishment and maturation of focal adhesions.
1 Q9QXZ0 (/IMP)

There are 34 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
Microtubule cytoskeleton GO:0015630
The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins.
4 F8W9J4 (/IDA) Q03001 (/IDA) Q91ZU6 (/IDA) Q9QXZ0 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
3 Q03001 (/IDA) Q9QXZ0 (/IDA) Q9UPN3 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
2 F8W9J4 (/IDA) Q03001 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 D3ZHV2 (/ISS) Q91ZU6 (/ISS)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
2 D3ZHV2 (/ISS) Q9QXZ0 (/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 F8W9J4 (/IDA) Q03001 (/IDA)
Microtubule GO:0005874
Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.
2 Q9QXZ0 (/IDA) Q9UPN3 (/IDA)
Postsynaptic density GO:0014069
An electron dense network of proteins within and adjacent to the postsynaptic membrane of an asymmetric, neuron-neuron synapse. Its major components include neurotransmitter receptors and the proteins that spatially and functionally organize them such as anchoring and scaffolding molecules, signaling enzymes and cytoskeletal components.
2 Q91ZU6 (/IDA) Q9QXZ0 (/IDA)
Ruffle membrane GO:0032587
The portion of the plasma membrane surrounding a ruffle.
2 D3ZHV2 (/ISS) Q9QXZ0 (/ISS)
Basement membrane GO:0005604
A collagen-containing extracellular matrix consisting of a thin layer of dense material found in various animal tissues interposed between the cells and the adjacent connective tissue. It consists of the basal lamina plus an associated layer of reticulin fibers.
1 Q03001 (/TAS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 Q03001 (/HDA)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
1 Q9UPN3 (/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 Q03001 (/TAS)
Cytoskeleton GO:0005856
Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
1 Q9UPN3 (/NAS)
Microtubule GO:0005874
Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.
1 D3ZHV2 (/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 Q9UPN3 (/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 D3ZHV2 (/ISS)
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 Q03001 (/HDA)
Cell cortex GO:0005938
The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
1 Q9QXZ0 (/ISO)
Basal plasma membrane GO:0009925
The region of the plasma membrane located at the basal end of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
1 Q03001 (/NAS)
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 Q9QXZ0 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 D3ZHV2 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q9QXZ0 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q9QXZ0 (/ISS)
Hemidesmosome GO:0030056
A cell-substrate junction (attachment structure) found in epithelial cells that links intermediate filaments to extracellular matrices via transmembrane complexes. In vertebrates, hemidesmosomes mediate contact between the basal side of epithelial cells and the basal lamina. In C. elegans, hemidesmosomes connect epithelial cells to distinct extracellular matrices on both the apical and basal cell surfaces.
1 Q91ZU6 (/IDA)
Hemidesmosome GO:0030056
A cell-substrate junction (attachment structure) found in epithelial cells that links intermediate filaments to extracellular matrices via transmembrane complexes. In vertebrates, hemidesmosomes mediate contact between the basal side of epithelial cells and the basal lamina. In C. elegans, hemidesmosomes connect epithelial cells to distinct extracellular matrices on both the apical and basal cell surfaces.
1 Q03001 (/TAS)
Axon GO:0030424
The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
1 Q91ZU6 (/IDA)
Cell leading edge GO:0031252
The area of a motile cell closest to the direction of movement.
1 Q03001 (/IDA)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q03001 (/IDA)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q91ZU6 (/ISO)
Ruffle membrane GO:0032587
The portion of the plasma membrane surrounding a ruffle.
1 Q9UPN3 (/IDA)
Microtubule plus-end GO:0035371
The growing (plus) end of a microtubule. In vitro, microtubules polymerize more quickly at the plus end than at the minus end. In vivo, microtubule growth occurs only at the plus end, and the plus end switches between periods of growth and shortening, a behavior known as dynamic instability.
1 Q03001 (/IDA)
Microtubule plus-end GO:0035371
The growing (plus) end of a microtubule. In vitro, microtubules polymerize more quickly at the plus end than at the minus end. In vivo, microtubule growth occurs only at the plus end, and the plus end switches between periods of growth and shortening, a behavior known as dynamic instability.
1 Q91ZU6 (/ISS)
Neurofilament cytoskeleton GO:0060053
Intermediate filament cytoskeletal structure that is made up of neurofilaments. Neurofilaments are specialized intermediate filaments found in neurons.
1 Q91ZU6 (/IDA)
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