The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:

"
I/LWEQ 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 1: Talin 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 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).
10 M9PBW9 (/IPI) M9PEJ8 (/IPI) P26039 (/IPI) P54939 (/IPI) Q54K81 (/IPI) Q71LX4 (/IPI) Q960C2 (/IPI) Q9VSL8 (/IPI) Q9Y490 (/IPI) Q9Y4G6 (/IPI)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
6 G3V852 (/IPI) M9PBW9 (/IPI) M9PEJ8 (/IPI) Q960C2 (/IPI) Q9VSL8 (/IPI) Q9Y490 (/IPI)
Phosphatidylserine binding GO:0001786
Interacting selectively and non-covalently with phosphatidylserine, a class of glycophospholipids in which a phosphatidyl group is esterified to the hydroxyl group of L-serine.
1 P26039 (/IMP)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
1 Q9Y4G6 (/NAS)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 P26039 (/IMP)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 P26039 (/ISO)
Structural molecule activity GO:0005198
The action of a molecule that contributes to the structural integrity of a complex or its assembly within or outside a cell.
1 Q9Y4G6 (/NAS)
Structural constituent of cytoskeleton GO:0005200
The action of a molecule that contributes to the structural integrity of a cytoskeletal structure.
1 Q9Y490 (/NAS)
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 Q54K81 (/IDA)
Vinculin binding GO:0017166
Interacting selectively and non-covalently with vinculin, a protein found in muscle, fibroblasts, and epithelial cells that binds actin and appears to mediate attachment of actin filaments to integral proteins of the plasma membrane.
1 Q9Y490 (/IPI)
Vinculin binding GO:0017166
Interacting selectively and non-covalently with vinculin, a protein found in muscle, fibroblasts, and epithelial cells that binds actin and appears to mediate attachment of actin filaments to integral proteins of the plasma membrane.
1 P26039 (/ISO)
LIM domain binding GO:0030274
Interacting selectively and non-covalently with a LIM domain (for Lin-11 Isl-1 Mec-3) of a protein, a domain with seven conserved cysteine residues and a histidine, that binds two zinc ions and acts as an interface for protein-protein interactions.
1 Q9Y490 (/IPI)
LIM domain binding GO:0030274
Interacting selectively and non-covalently with a LIM domain (for Lin-11 Isl-1 Mec-3) of a protein, a domain with seven conserved cysteine residues and a histidine, that binds two zinc ions and acts as an interface for protein-protein interactions.
1 P26039 (/ISO)
Phosphatidylinositol binding GO:0035091
Interacting selectively and non-covalently with any inositol-containing glycerophospholipid, i.e. phosphatidylinositol (PtdIns) and its phosphorylated derivatives.
1 P26039 (/IMP)
Cadherin binding GO:0045296
Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion.
1 Q9Y490 (/HDA)
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 Q54K81 (/IDA)

There are 44 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
Sarcomere organization GO:0045214
The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs.
6 A0A0R4IDZ8 (/IMP) M9PBW9 (/IMP) M9PEJ8 (/IMP) Q5U7N6 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Cytoskeletal anchoring at plasma membrane GO:0007016
A cytoskeleton organization process that directly or indirectly links cytoskeletal filaments to the plasma membrane.
4 M9PBW9 (/ISS) M9PEJ8 (/ISS) Q960C2 (/ISS) Q9VSL8 (/ISS)
Cell adhesion GO:0007155
The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Cell adhesion GO:0007155
The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
4 M9PBW9 (/TAS) M9PEJ8 (/TAS) Q960C2 (/TAS) Q9VSL8 (/TAS)
Border follicle cell migration GO:0007298
The directed movement of a border cell through the nurse cells to reach the oocyte. An example of this is found in Drosophila melanogaster.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Germ-band shortening GO:0007390
The spreading of the amnioserosa from its compressed state to cover the whole of the dorsal surface. Initiating in the thorax and spreading posteriorly, it is accompanied by the transition from a parasegmental to segmental division of the embryo.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Apposition of dorsal and ventral imaginal disc-derived wing surfaces GO:0007475
The coming together of the dorsal and ventral surfaces of the imaginal disc-derived wing during the conversion of a folded single layered wing disc to a flat bilayered wing.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Larval somatic muscle development GO:0007526
The process whose specific outcome is the progression of the larval somatic muscle over time, from its formation to the mature structure.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Muscle attachment GO:0016203
The developmental process in which a skeletal muscle attaches to its target (such as bone or body wall).
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Cell adhesion mediated by integrin GO:0033627
The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via an integrin, a heterodimeric adhesion receptor formed by the non-covalent association of particular alpha and beta subunits.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Maintenance of epithelial integrity, open tracheal system GO:0035160
Ensuring that tracheal tubes in an open tracheal system maintain their epithelial structure during the cell shape changes and movements that occur during the branching process.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Cardiac muscle cell-cardiac muscle cell adhesion GO:0086042
The attachment of one cardiomyocyte to another cardiomyocyte via adhesion molecules.
4 M9PBW9 (/IMP) M9PEJ8 (/IMP) Q960C2 (/IMP) Q9VSL8 (/IMP)
Cell-cell junction assembly GO:0007043
The aggregation, arrangement and bonding together of a set of components to form a junction between cells.
2 Q9Y490 (/TAS) Q9Y4G6 (/TAS)
Skeletal muscle tissue development GO:0007519
The developmental sequence of events leading to the formation of adult skeletal muscle tissue. The main events are: the fusion of myoblasts to form myotubes that increase in size by further fusion to them of myoblasts, the formation of myofibrils within their cytoplasm and the establishment of functional neuromuscular junctions with motor neurons. At this stage they can be regarded as mature muscle fibers.
2 A0A0R4IDZ8 (/IMP) Q5U7N6 (/IMP)
Neural crest cell differentiation GO:0014033
The process in which a relatively unspecialized cell acquires specialized features of a neural crest cell.
2 A0A0R4IDZ8 (/IMP) Q5U7N6 (/IMP)
Embryonic viscerocranium morphogenesis GO:0048703
The process in which the anatomical structures of the viscerocranium are generated and organized during the embryonic phase. The viscerocranium is the part of the skull comprising the facial bones.
2 A0A0R4IDZ8 (/IMP) Q5U7N6 (/IMP)
Cardiac muscle cell development GO:0055013
The process whose specific outcome is the progression of a cardiac muscle cell over time, from its formation to the mature state.
2 A0A0R4IDZ8 (/IGI) Q5U7N6 (/IGI)
Cardiac muscle cell development GO:0055013
The process whose specific outcome is the progression of a cardiac muscle cell over time, from its formation to the mature state.
2 A0A0R4IDZ8 (/IMP) Q5U7N6 (/IMP)
Closure of optic fissure GO:0061386
The closure of the temporary ventral gap in the optic cup that contributes to its shaping.
2 A0A0R4IDZ8 (/IMP) Q5U7N6 (/IMP)
Actomyosin contractile ring contraction GO:0000916
The process of an actomyosin ring getting smaller in diameter, in the context of cytokinesis that takes place as part of a cell cycle.
1 P0CE95 (/IMP)
Platelet degranulation GO:0002576
The regulated exocytosis of secretory granules containing preformed mediators such as histamine and serotonin by a platelet.
1 Q9Y490 (/TAS)
Muscle contraction GO:0006936
A process in which force is generated within muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis.
1 Q9Y490 (/TAS)
Cytoskeletal anchoring at plasma membrane GO:0007016
A cytoskeleton organization process that directly or indirectly links cytoskeletal filaments to the plasma membrane.
1 Q9Y490 (/NAS)
Cell-substrate junction assembly GO:0007044
The aggregation, arrangement and bonding together of a set of components to form a junction between a cell and its substrate.
1 P26039 (/IMP)
Cell adhesion GO:0007155
The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
1 Q9Y4G6 (/NAS)
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 P26039 (/IMP)
Terminal branching, open tracheal system GO:0007430
Formation of terminal branches in the open tracheal system. These are long cytoplasmic extensions that form fine tubules that transport oxygen directly to the tissues. An example of the process is found in Drosophila melanogaster.
1 Q9VSL8 (/HMP)
Spore germination GO:0009847
The physiological and developmental changes that occur in a spore following release from dormancy up to the earliest signs of growth (e.g. emergence from a spore wall).
1 Q1ZXE9 (/IMP)
Sorocarp development GO:0030587
The process whose specific outcome is the progression of the sorocarp over time, from its formation to the mature structure. The process begins with the aggregation of individual cells and ends with the mature sorocarp. The sorocarp is a structure containing a spore-bearing sorus that sits on top of a stalk. An example of this process is found in Dictyostelium discoideum.
1 Q54K81 (/IMP)
Cortical actin cytoskeleton organization GO:0030866
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of actin-based cytoskeletal structures in the cell cortex, i.e. just beneath the plasma membrane.
1 P26039 (/IMP)
Cell-substrate adhesion GO:0031589
The attachment of a cell to the underlying substrate via adhesion molecules.
1 Q54K81 (/IGI)
Integrin activation GO:0033622
The aggregation, arrangement and bonding together of an integrin, a heterodimeric adhesion receptor formed by the non-covalent association of particular alpha and beta subunits, that lead to the increased affinity of the integrin for its extracellular ligands.
1 P26039 (/IMP)
Lumen formation, open tracheal system GO:0035149
Creation of the central hole of a tube in an open tracheal system through which gases flow.
1 Q9VSL8 (/HMP)
IRE1-mediated unfolded protein response GO:0036498
A series of molecular signals mediated by the endoplasmic reticulum stress sensor IRE1 (Inositol-requiring transmembrane kinase/endonuclease). Begins with activation of IRE1 in response to endoplasmic reticulum (ER) stress, and ends with regulation of a downstream cellular process, e.g. transcription. One target of activated IRE1 is the transcription factor HAC1 in yeast, or XBP1 in mammals; IRE1 cleaves an intron of a mRNA coding for HAC1/XBP1 to generate an activated HAC1/XBP1 transcription factor, which controls the up regulation of UPR-related genes. At least in mammals, IRE1 can also signal through additional intracellular pathways including JNK and NF-kappaB.
1 Q9Y490 (/TAS)
Locomotion GO:0040011
Self-propelled movement of a cell or organism from one location to another.
1 Q54K81 (/IMP)
Regulation of vulval development GO:0040028
Any process that modulates the frequency, rate or extent of development of the vulva. Vulval development is the process whose specific outcome is the progression of the egg-laying organ of female and hermaphrodite nematodes over time, from its formation to the mature structure. In nematodes, the vulva is formed from ventral epidermal cells during larval stages to give rise to a fully formed vulva in the adult.
1 G5EGK1 (/IGI)
Negative regulation of epidermal growth factor receptor signaling pathway GO:0042059
Any process that stops, prevents, or reduces the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
1 G5EGK1 (/IMP)
Spore wall assembly GO:0042244
The aggregation, arrangement and bonding together of a set of components to form a spore wall; a spore wall is the specialized envelope lying outside the cell membrane of a spore.
1 Q1ZXE9 (/IMP)
Autophagic cell death GO:0048102
A form of programmed cell death that is accompanied by the formation of autophagosomes. Autophagic cell death is characterized by lack of chromatin condensation and massive vacuolization of the cytoplasm, with little or no uptake by phagocytic cells.
1 Q54K81 (/IMP)
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 Q54K81 (/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 Q54K81 (/IDA)
Platelet aggregation GO:0070527
The adhesion of one platelet to one or more other platelets via adhesion molecules.
1 Q9Y490 (/HMP)
Vulval cell fate specification GO:0072327
The process in which a cell becomes capable of differentiating autonomously into a nematode vulval cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. In nematodes, the vulva is formed from ventral epidermal cells during larval stages to give rise to a fully formed adult vulva, which is the egg-laying organ of female and hermaphrodite nematodes.
1 G5EGK1 (/IGI)

There are 26 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
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.
6 M9PBW9 (/IDA) M9PEJ8 (/IDA) P26039 (/IDA) P54939 (/IDA) Q960C2 (/IDA) Q9VSL8 (/IDA)
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.
6 M9PBW9 (/ISS) M9PEJ8 (/ISS) P26039 (/ISS) Q960C2 (/ISS) Q9VSL8 (/ISS) Q9Y490 (/ISS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
3 G5EGK1 (/IDA) Q1ZXE9 (/IDA) Q54K81 (/IDA)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
2 P26039 (/ISS) Q9Y490 (/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 P54939 (/TAS) Q9Y490 (/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.
2 Q9Y490 (/HDA) Q9Y4G6 (/HDA)
M band GO:0031430
The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines.
2 G4S9F5 (/IDA) G5EGK1 (/IDA)
Striated muscle dense body GO:0055120
A vinculin-containing myofibril attachment structure of striated muscle that connects sarcomeres to the extracellular matrix. In nematode body wall muscle, the dense body performs the dual role of Z-disk and costamere.
2 G4S9F5 (/IDA) G5EGK1 (/IDA)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
1 P54939 (/IDA)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
1 Q9Y490 (/TAS)
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 G5EGK1 (/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 Q9VSL8 (/HDA)
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 Q1ZXE9 (/IDA)
Fascia adherens GO:0005916
A cell-cell adherens junction that contains the transmembrane protein N-cadherin, which interacts with identical molecules from neighboring cells to form a tight mechanical intercellular link; forms a large portion of the intercalated disc, the structure at which myofibrils terminate in cardiomyocytes.
1 Q71LX4 (/IDA)
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 Q9Y490 (/NAS)
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 Q54K81 (/IDA)
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 Q9Y4G6 (/NAS)
Lateral plasma membrane GO:0016328
The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
1 G5EGK1 (/IDA)
Z disc GO:0030018
Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
1 Q9VSL8 (/HDA)
Clathrin coat GO:0030118
A membrane coat found on coated pits and some coated vesicles; consists of polymerized clathrin triskelions, each comprising three clathrin heavy chains and three clathrin light chains, linked to the membrane via one of the AP adaptor complexes.
1 Q1ZXE9 (/IDA)
Clathrin-coated vesicle GO:0030136
A vesicle with a coat formed of clathrin connected to the membrane via one of the clathrin adaptor complexes.
1 Q1ZXE9 (/IDA)
Pseudopodium GO:0031143
A temporary protrusion or retractile process of a cell, associated with flowing movements of the protoplasm, and serving for locomotion and feeding.
1 Q54K81 (/IDA)
Cell leading edge GO:0031252
The area of a motile cell closest to the direction of movement.
1 Q54K81 (/IDA)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
1 Q71LX4 (/IDA)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
1 Q9Y4G6 (/NAS)
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.
1 Q9Y490 (/HDA)
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