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 158: Sidekick cell adhesion molecule 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 2 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
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 Q8AV57 (/IDA) Q8AV58 (/IDA)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 Q3UH53 (/ISS) Q7Z5N4 (/ISS)

There are 16 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.
5 O97394 (/IDA) O97394 (/IDA) Q6V4S5 (/IDA) Q8AV57 (/IDA) Q8AV58 (/IDA)
Synapse assembly GO:0007416
The aggregation, arrangement and bonding together of a set of components to form a synapse. This process ends when the synapse is mature (functional).
4 Q3UH53 (/ISS) Q58EX2 (/ISS) Q6V4S5 (/ISS) Q7Z5N4 (/ISS)
Retina layer formation GO:0010842
The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia.
4 Q3UH53 (/ISS) Q58EX2 (/ISS) Q6V4S5 (/ISS) Q7Z5N4 (/ISS)
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.
3 Q3UH53 (/ISS) Q58EX2 (/ISS) Q7Z5N4 (/ISS)
Synapse assembly GO:0007416
The aggregation, arrangement and bonding together of a set of components to form a synapse. This process ends when the synapse is mature (functional).
2 Q8AV57 (/IDA) Q8AV58 (/IDA)
Retina layer formation GO:0010842
The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia.
2 Q8AV57 (/IDA) Q8AV58 (/IDA)
Compound eye cone cell differentiation GO:0042675
The process in which a relatively unspecialized cell acquires the specialized features of a compound eye cone cell, a cone-shaped cell, that focuses light in a compound eye.
2 O97394 (/IMP) O97394 (/IMP)
Cell-cell junction organization GO:0045216
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a cell-cell junction. A cell-cell junction is a specialized region of connection between two cells.
2 Q58EX2 (/TAS) Q7Z5N4 (/TAS)
Negative regulation of photoreceptor cell differentiation GO:0046533
Any process that stops, prevents, or reduces the frequency, rate or extent of photoreceptor cell differentiation. An example of this process is found in Drosophila melanogaster.
2 O97394 (/IMP) O97394 (/IMP)
Pigment cell differentiation GO:0050931
The process in which a relatively unspecialized cell acquires the specialized features of a pigmented cell, such as a melanocyte.
2 O97394 (/IMP) O97394 (/IMP)
Camera-type eye photoreceptor cell differentiation GO:0060219
The process in which a relatively unspecialized cell acquires the specialized features of a photoreceptor cell in a camera-type eye.
2 Q58EX2 (/ISS) Q8AV57 (/ISS)
Synapse assembly GO:0007416
The aggregation, arrangement and bonding together of a set of components to form a synapse. This process ends when the synapse is mature (functional).
1 Q6V4S5 (/IMP)
Retina layer formation GO:0010842
The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia.
1 Q6V4S5 (/IMP)
Behavioral response to cocaine GO:0048148
Any process that results in a change in the behavior of an organism as a result of a cocaine stimulus.
1 Q3UH53 (/IDA)
Camera-type eye photoreceptor cell differentiation GO:0060219
The process in which a relatively unspecialized cell acquires the specialized features of a photoreceptor cell in a camera-type eye.
1 Q6V4S5 (/IDA)
Regulation of dendritic spine development GO:0060998
Any process that modulates the rate, frequency, or extent of dendritic spine development, the process whose specific outcome is the progression of the dendritic spine over time, from its formation to the mature structure.
1 Q3UH53 (/IDA)

There are 6 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
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.
3 Q6V4S5 (/IDA) Q8AV57 (/IDA) Q8AV58 (/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.
3 Q3UH53 (/ISS) Q58EX2 (/ISS) Q7Z5N4 (/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 Q58EX2 (/TAS) Q7Z5N4 (/TAS)
Integral component of plasma membrane GO:0005887
The component of the plasma 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.
2 O97394 (/NAS) O97394 (/NAS)
Apical part of cell GO:0045177
The region of a polarized cell that forms a tip or is distal to a base. For example, in a polarized epithelial cell, the apical region has an exposed surface and lies opposite to the basal lamina that separates the epithelium from other tissue.
2 O97394 (/IDA) O97394 (/IDA)
Perivitelline space GO:0098595
The space between the membrane of an oocyte and a surrounding membranous structure (zona pellucida or perivitelline membrane).
2 O97394 (/HDA) O97394 (/HDA)