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:

"
Integrin alpha, N-terminal
".

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 2: integrin alpha-6 isoform X2

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 19 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 P23229 (/IPI) Q13683 (/IPI) Q61738 (/IPI) Q61739 (/IPI) Q63258 (/IPI)
Insulin-like growth factor I binding GO:0031994
Interacting selectively and non-covalently with insulin-like growth factor I.
2 P26007 (/ISS) Q61739 (/ISS)
Neuregulin binding GO:0038132
Interacting selectively and non-covalently with a neuregulin, a member of the EGF family of growth factors.
2 P26007 (/ISS) Q61739 (/ISS)
Laminin binding GO:0043236
Interacting selectively and non-covalently with laminins, glycoproteins that are major constituents of the basement membrane of cells.
2 G3V667 (/IPI) Q924W2 (/IPI)
Laminin binding GO:0043236
Interacting selectively and non-covalently with laminins, glycoproteins that are major constituents of the basement membrane of cells.
2 Q61738 (/ISO) Q61739 (/ISO)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
2 G3V667 (/IDA) Q924W2 (/IDA)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 Q63258 (/IPI)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 Q61738 (/ISO)
Insulin-like growth factor I binding GO:0031994
Interacting selectively and non-covalently with insulin-like growth factor I.
1 P23229 (/IDA)
Insulin-like growth factor I binding GO:0031994
Interacting selectively and non-covalently with insulin-like growth factor I.
1 Q61739 (/ISO)
Neuregulin binding GO:0038132
Interacting selectively and non-covalently with a neuregulin, a member of the EGF family of growth factors.
1 P23229 (/IDA)
Neuregulin binding GO:0038132
Interacting selectively and non-covalently with a neuregulin, a member of the EGF family of growth factors.
1 Q61739 (/ISO)
Laminin binding GO:0043236
Interacting selectively and non-covalently with laminins, glycoproteins that are major constituents of the basement membrane of cells.
1 Q63258 (/IDA)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
1 Q61739 (/ISO)
Cadherin binding GO:0045296
Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion.
1 P23229 (/HDA)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
1 Q63258 (/IMP)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
1 Q61738 (/ISO)
Cell adhesion molecule binding GO:0050839
Interacting selectively and non-covalently with a cell adhesion molecule.
1 Q63258 (/IDA)
Cell adhesion molecule binding GO:0050839
Interacting selectively and non-covalently with a cell adhesion molecule.
1 Q61738 (/ISO)

There are 59 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
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.
3 A8WHQ7 (/IGI) A8WHQ8 (/IGI) Q5CZS5 (/IGI)
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.
3 A8WHQ7 (/IMP) A8WHQ8 (/IMP) Q5CZS5 (/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.
2 Q61738 (/IMP) Q63258 (/IMP)
Positive regulation of cell-substrate adhesion GO:0010811
Any process that increases the frequency, rate or extent of cell-substrate adhesion. Cell-substrate adhesion is the attachment of a cell to the underlying substrate via adhesion molecules.
2 G3V667 (/IMP) Q924W2 (/IMP)
Extracellular matrix organization GO:0030198
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix.
2 P23229 (/TAS) Q13683 (/TAS)
Cellular response to organic cyclic compound GO:0071407
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic cyclic compound stimulus.
2 G3V667 (/IEP) Q924W2 (/IEP)
Cell-cell adhesion GO:0098609
The attachment of one cell to another cell via adhesion molecules.
2 G3V667 (/IMP) Q924W2 (/IMP)
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 P23229 (/TAS)
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 Q63258 (/IDA)
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 Q61738 (/ISO)
Cell-matrix adhesion GO:0007160
The binding of a cell to the extracellular matrix via adhesion molecules.
1 Q61739 (/IMP)
Cell-matrix adhesion GO:0007160
The binding of a cell to the extracellular matrix via adhesion molecules.
1 Q13683 (/TAS)
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 Q63258 (/IDA)
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 Q61738 (/ISO)
Muscle organ development GO:0007517
The process whose specific outcome is the progression of the muscle over time, from its formation to the mature structure. The muscle is an organ consisting of a tissue made up of various elongated cells that are specialized to contract and thus to produce movement and mechanical work.
1 Q13683 (/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.
1 Q63258 (/IEP)
Ectodermal cell differentiation GO:0010668
The process in which relatively unspecialized cells acquire specialized structural and/or functional features of an ectodermal cell. Differentiation includes the processes involved in commitment of a cell to a specific fate.
1 P23229 (/IEP)
Positive regulation of cell-substrate adhesion GO:0010811
Any process that increases the frequency, rate or extent of cell-substrate adhesion. Cell-substrate adhesion is the attachment of a cell to the underlying substrate via adhesion molecules.
1 Q61739 (/ISO)
Positive regulation of neuron projection development GO:0010976
Any process that increases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
1 Q61739 (/IMP)
Positive regulation of neuron projection development GO:0010976
Any process that increases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
1 P23229 (/ISS)
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 Q61738 (/IMP)
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 Q61739 (/IDA)
Positive regulation of cell migration GO:0030335
Any process that activates or increases the frequency, rate or extent of cell migration.
1 P23229 (/IMP)
Positive regulation of cell migration GO:0030335
Any process that activates or increases the frequency, rate or extent of cell migration.
1 Q61739 (/ISO)
Hemidesmosome assembly GO:0031581
Assembly of hemidesmosomes, integrin-containing protein complexes that bind to laminin in the basal lamina. Hemidesmosomes form the contact between the basal surface of epithelial cells and the underlying basal lamina.
1 P23229 (/TAS)
Cell-substrate adhesion GO:0031589
The attachment of a cell to the underlying substrate via adhesion molecules.
1 P23229 (/IMP)
Cell-substrate adhesion GO:0031589
The attachment of a cell to the underlying substrate via adhesion molecules.
1 Q61739 (/ISO)
Cellular response to extracellular stimulus GO:0031668
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an extracellular stimulus.
1 Q61739 (/IDA)
Heterotypic cell-cell adhesion GO:0034113
The attachment of a cell to a cell of a different type via adhesion molecules.
1 Q13683 (/IMP)
Heterotypic cell-cell adhesion GO:0034113
The attachment of a cell to a cell of a different type via adhesion molecules.
1 Q61738 (/ISO)
Nail development GO:0035878
The process whose specific outcome is the progression of a nail over time, from its formation to the mature structure. A nail is a horn-like envelope covering the outer end of a finger or toe, and consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it.
1 P23229 (/IMP)
Nail development GO:0035878
The process whose specific outcome is the progression of a nail over time, from its formation to the mature structure. A nail is a horn-like envelope covering the outer end of a finger or toe, and consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it.
1 Q61739 (/ISO)
Endodermal cell differentiation GO:0035987
The process in which a relatively unspecialized cell acquires the specialized features of an endoderm cell, a cell of the inner of the three germ layers of the embryo.
1 Q13683 (/IEP)
Positive regulation of phosphorylation GO:0042327
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to a molecule.
1 P23229 (/IMP)
Positive regulation of phosphorylation GO:0042327
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to a molecule.
1 Q61739 (/ISO)
Odontogenesis of dentin-containing tooth GO:0042475
The process whose specific outcome is the progression of a dentin-containing tooth over time, from its formation to the mature structure. A dentin-containing tooth is a hard, bony organ borne on the jaw or other bone of a vertebrate, and is composed mainly of dentin, a dense calcified substance, covered by a layer of enamel.
1 Q61739 (/IMP)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 P23229 (/IGI)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 Q61739 (/ISO)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
1 P23229 (/IMP)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
1 Q61739 (/ISO)
Skin development GO:0043588
The process whose specific outcome is the progression of the skin over time, from its formation to the mature structure. The skin is the external membranous integument of an animal. In vertebrates the skin generally consists of two layers, an outer nonsensitive and nonvascular epidermis (cuticle or skarfskin) composed of cells which are constantly growing and multiplying in the deeper, and being thrown off in the superficial layers, as well as an inner vascular dermis (cutis, corium or true skin) composed mostly of connective tissue.
1 P23229 (/IMP)
Skin development GO:0043588
The process whose specific outcome is the progression of the skin over time, from its formation to the mature structure. The skin is the external membranous integument of an animal. In vertebrates the skin generally consists of two layers, an outer nonsensitive and nonvascular epidermis (cuticle or skarfskin) composed of cells which are constantly growing and multiplying in the deeper, and being thrown off in the superficial layers, as well as an inner vascular dermis (cutis, corium or true skin) composed mostly of connective tissue.
1 Q61739 (/ISO)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
1 P23229 (/IMP)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
1 Q61739 (/ISO)
Filopodium assembly GO:0046847
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 Q61739 (/IMP)
Blood vessel morphogenesis GO:0048514
The process in which the anatomical structures of blood vessels are generated and organized. The blood vessel is the vasculature carrying blood.
1 Q61738 (/IMP)
Digestive tract development GO:0048565
The process whose specific outcome is the progression of the digestive tract over time, from its formation to the mature structure. The digestive tract is the anatomical structure through which food passes and is processed.
1 P23229 (/IMP)
Digestive tract development GO:0048565
The process whose specific outcome is the progression of the digestive tract over time, from its formation to the mature structure. The digestive tract is the anatomical structure through which food passes and is processed.
1 Q61739 (/ISO)
Brown fat cell differentiation GO:0050873
The process in which a relatively unspecialized cell acquires specialized features of a brown adipocyte, an animal connective tissue cell involved in adaptive thermogenesis. Brown adipocytes contain multiple small droplets of triglycerides and a high number of mitochondria.
1 Q61739 (/IDA)
Leukocyte migration GO:0050900
The movement of a leukocyte within or between different tissues and organs of the body.
1 Q61739 (/IGI)
Leukocyte migration GO:0050900
The movement of a leukocyte within or between different tissues and organs of the body.
1 Q61739 (/IMP)
Leukocyte migration GO:0050900
The movement of a leukocyte within or between different tissues and organs of the body.
1 P23229 (/TAS)
Renal system development GO:0072001
The process whose specific outcome is the progression of the renal system over time, from its formation to the mature structure. The renal system maintains fluid balance and contributes to electrolyte balance, acid/base balance, and disposal of nitrogenous waste products. In humans, the renal system comprises a pair of kidneys, a pair of ureters, urinary bladder, urethra, sphincter muscle and associated blood vessels.
1 P23229 (/IMP)
Renal system development GO:0072001
The process whose specific outcome is the progression of the renal system over time, from its formation to the mature structure. The renal system maintains fluid balance and contributes to electrolyte balance, acid/base balance, and disposal of nitrogenous waste products. In humans, the renal system comprises a pair of kidneys, a pair of ureters, urinary bladder, urethra, sphincter muscle and associated blood vessels.
1 Q61739 (/ISO)
Amelogenesis GO:0097186
The process whose specific outcome is the formation of tooth enamel, occurring in two stages: secretory stage and maturation stage.
1 P23229 (/IMP)
Amelogenesis GO:0097186
The process whose specific outcome is the formation of tooth enamel, occurring in two stages: secretory stage and maturation stage.
1 Q61739 (/ISO)
Cell-cell adhesion GO:0098609
The attachment of one cell to another cell via adhesion molecules.
1 Q61739 (/ISO)
Negative regulation of extrinsic apoptotic signaling pathway GO:2001237
Any process that stops, prevents or reduces the frequency, rate or extent of extrinsic apoptotic signaling pathway.
1 P23229 (/IMP)
Negative regulation of extrinsic apoptotic signaling pathway GO:2001237
Any process that stops, prevents or reduces the frequency, rate or extent of extrinsic apoptotic signaling pathway.
1 Q61739 (/ISO)

There are 28 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
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
4 P23229 (/IDA) P26007 (/IDA) Q61739 (/IDA) Q63258 (/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.
2 P23229 (/IDA) Q61739 (/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.
2 P23229 (/TAS) Q13683 (/TAS)
Cell-cell adherens junction GO:0005913
An adherens junction which connects a cell to another cell.
2 G3V667 (/IDA) Q924W2 (/IDA)
Integrin complex GO:0008305
A protein complex that is composed of one alpha subunit and one beta subunit, both of which are members of the integrin superfamily of cell adhesion receptors; the complex spans the plasma membrane and binds to extracellular matrix ligands, cell-surface ligands, and soluble ligands.
2 Q61739 (/IDA) Q63258 (/IDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
2 Q61738 (/ISO) Q61739 (/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.
2 G3V667 (/IDA) Q924W2 (/IDA)
Integrin alpha6-beta4 complex GO:0034676
An integrin complex that comprises one alpha6 subunit and one beta4 subunit.
2 G3V667 (/IDA) Q924W2 (/IDA)
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 Q61739 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q61738 (/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 Q61739 (/ISO)
Cell-cell adherens junction GO:0005913
An adherens junction which connects a cell to another cell.
1 Q61739 (/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.
1 P23229 (/HDA)
Muscle tendon junction GO:0005927
A cell-substrate junction found at the terminal anchorage site of skeletal muscle cells to tendons.
1 Q61738 (/IDA)
Integrin complex GO:0008305
A protein complex that is composed of one alpha subunit and one beta subunit, both of which are members of the integrin superfamily of cell adhesion receptors; the complex spans the plasma membrane and binds to extracellular matrix ligands, cell-surface ligands, and soluble ligands.
1 Q61738 (/ISO)
External side of plasma membrane GO:0009897
The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
1 Q61739 (/IDA)
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 Q61739 (/IDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 P23229 (/HDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 Q13683 (/IC)
Basolateral plasma membrane GO:0016323
The region of the plasma membrane that includes the basal end and sides 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 Q61739 (/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 Q61739 (/IDA)
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 Q61739 (/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 Q61738 (/IDA)
Integrin alpha6-beta4 complex GO:0034676
An integrin complex that comprises one alpha6 subunit and one beta4 subunit.
1 Q61739 (/ISO)
Integrin alpha7-beta1 complex GO:0034677
An integrin complex that comprises one alpha7 subunit and one beta1 subunit.
1 Q61738 (/IDA)
Integrin alpha7-beta1 complex GO:0034677
An integrin complex that comprises one alpha7 subunit and one beta1 subunit.
1 Q61738 (/IPI)
Sarcolemma GO:0042383
The outer membrane of a muscle cell, consisting of the plasma membrane, a covering basement membrane (about 100 nm thick and sometimes common to more than one fiber), and the associated loose network of collagen fibers.
1 Q61738 (/IDA)
Basal part of cell GO:0045178
The region of a cell situated near the base. For example, in a polarized epithelial cell, the basal surface rests on the basal lamina that separates the epithelium from other tissue.
1 Q61739 (/IDA)
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