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:

"
Immunoglobulins
".

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 298: Nectin cell adhesion molecule 3

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 6 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).
4 B0CLW6 (/IPI) Q9JLB9 (/IPI) Q9NQS3 (/IPI) Q9NQS3 (/IPI)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
2 Q9NQS3 (/ISS) Q9NQS3 (/ISS)
Cell adhesion molecule binding GO:0050839
Interacting selectively and non-covalently with a cell adhesion molecule.
2 Q9NQS3 (/IPI) Q9NQS3 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 Q9JLB9 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 Q9JLB9 (/IDA)
Cell adhesion molecule binding GO:0050839
Interacting selectively and non-covalently with a cell adhesion molecule.
1 Q9JLB9 (/ISO)

There are 12 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Homophilic cell adhesion via plasma membrane adhesion molecules GO:0007156
The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.
2 Q9NQS3 (/ISS) Q9NQS3 (/ISS)
Adherens junction organization GO:0034332
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an adherens junction. An adherens junction is a cell junction at which the cytoplasmic face of the plasma membrane is attached to actin filaments.
2 Q9NQS3 (/TAS) Q9NQS3 (/TAS)
Establishment of protein localization to plasma membrane GO:0061951
The directed movement of a protein to a specific location in a plasma membrane.
2 Q9NQS3 (/ISS) Q9NQS3 (/ISS)
Lens morphogenesis in camera-type eye GO:0002089
The process in which the anatomical structures of the lens are generated and organized. The lens is a transparent structure in the eye through which light is focused onto the retina. An example of this process is found in Mus musculus.
1 Q9JLB9 (/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 Q9JLB9 (/IDA)
Homophilic cell adhesion via plasma membrane adhesion molecules GO:0007156
The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.
1 Q9JLB9 (/IDA)
Fertilization GO:0009566
The union of gametes of opposite sexes during the process of sexual reproduction to form a zygote. It involves the fusion of the gametic nuclei (karyogamy) and cytoplasm (plasmogamy).
1 Q9JLB9 (/IMP)
Retina morphogenesis in camera-type eye GO:0060042
The process in which the anatomical structure of the retina is generated and organized.
1 Q9JLB9 (/IMP)
Establishment of protein localization to plasma membrane GO:0061951
The directed movement of a protein to a specific location in a plasma membrane.
1 Q9JLB9 (/IMP)
Cell-cell adhesion GO:0098609
The attachment of one cell to another cell via adhesion molecules.
1 Q9JLB9 (/IDA)
Protein localization to cell junction GO:1902414
A process in which a protein is transported to, or maintained in, a location within a cell junction.
1 Q9JLB9 (/IDA)
Protein localization to cell junction GO:1902414
A process in which a protein is transported to, or maintained in, a location within a cell junction.
1 Q9JLB9 (/IMP)

There are 16 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
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 Q9NQS3 (/ISS) Q9NQS3 (/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 Q9NQS3 (/TAS) Q9NQS3 (/TAS)
Cell-cell junction GO:0005911
A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
2 Q9NQS3 (/ISS) Q9NQS3 (/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 Q9JLB9 (/IDA)
Cell-cell junction GO:0005911
A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
1 Q9JLB9 (/IDA)
Cell-cell adherens junction GO:0005913
An adherens junction which connects a cell to another cell.
1 Q9JLB9 (/IDA)
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 D4A5C0 (/IDA)
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 Q9JLB9 (/ISO)
Dendrite GO:0030425
A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.
1 D4A5C0 (/IDA)
Dendrite GO:0030425
A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.
1 Q9JLB9 (/ISO)
Apical junction complex GO:0043296
A functional unit located near the cell apex at the points of contact between epithelial cells, which in vertebrates is composed of the tight junction, the zonula adherens, and desmosomes and in some invertebrates, such as Drosophila, is composed of the subapical complex (SAC), the zonula adherens and the septate junction. Functions in the regulation of cell polarity, tissue integrity and intercellular adhesion and permeability.
1 Q9JLB9 (/IDA)
Cell-cell contact zone GO:0044291
Extended zone of intimate apposition between two cells containing one or more types of intercellular junctions, e.g., the intercalated disk of muscle.
1 Q9JLB9 (/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 D4A5C0 (/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 Q9JLB9 (/ISO)
Hippocampal mossy fiber to CA3 synapse GO:0098686
One of the giant synapses that form between the mossy fiber axons of dentate gyrus granule cells and the large complex spines of CA3 pyramidal cells. It consists of a giant bouton known as the mossy fiber expansion, synapsed to the complex, multiheaded spine (thorny excresence) of a CA3 pyramidal cell.
1 Q9JLB9 (/IDA)
Integral component of postsynaptic density membrane GO:0099061
The component of the postsynaptic density membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
1 Q9JLB9 (/IDA)
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