The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_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 133674: cDNA FLJ50544, highly similar to Plexin-B3

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 10 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).
2 Q9QY40 (/IPI) Q9ULL4 (/IPI)
Semaphorin receptor activity GO:0017154
Combining with a semaphorin, and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
2 D3ZLH5 (/ISS) Q9QY40 (/ISS)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
2 D3ZLH5 (/ISS) Q9QY40 (/ISS)
Semaphorin receptor activity GO:0017154
Combining with a semaphorin, and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
1 Q9ULL4 (/IDA)
Semaphorin receptor activity GO:0017154
Combining with a semaphorin, and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
1 Q9QY40 (/ISO)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
1 Q9ULL4 (/IPI)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
1 Q9QY40 (/ISO)
Rho GDP-dissociation inhibitor binding GO:0051022
Interacting selectively and non-covalently with a Rho GDP-dissociation inhibitor protein.
1 Q9QY40 (/IPI)
Protein binding involved in cell-cell adhesion GO:0098632
Any protein binding that is involved in cell-cell adhesion.
1 Q9ULL4 (/IPI)
Protein binding involved in cell-cell adhesion GO:0098632
Any protein binding that is involved in cell-cell adhesion.
1 Q9QY40 (/ISO)

There are 27 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
Negative regulation of cell adhesion GO:0007162
Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
2 D3ZLH5 (/ISS) Q9QY40 (/ISS)
Negative regulation of lamellipodium assembly GO:0010593
Any process that decreases the rate, frequency or extent of the formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.
2 Q9QY40 (/ISS) Q9ULL4 (/ISS)
Negative regulation of cell migration GO:0030336
Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
2 D3ZLH5 (/IMP) Q9ULL4 (/IMP)
Negative regulation of GTPase activity GO:0034260
Any process that stops or reduces the rate of GTP hydrolysis by a GTPase.
2 D3ZLH5 (/ISS) Q9QY40 (/ISS)
Positive chemotaxis GO:0050918
The directed movement of a motile cell or organism towards a higher concentration of a chemical.
2 D3ZLH5 (/ISS) Q9QY40 (/ISS)
Positive regulation of endothelial cell proliferation GO:0001938
Any process that activates or increases the rate or extent of endothelial cell proliferation.
1 Q9ULL4 (/IMP)
Positive regulation of endothelial cell proliferation GO:0001938
Any process that activates or increases the rate or extent of endothelial cell proliferation.
1 Q9QY40 (/ISO)
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 Q9ULL4 (/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 Q9QY40 (/ISO)
Negative regulation of cell adhesion GO:0007162
Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
1 Q9ULL4 (/IDA)
Negative regulation of cell adhesion GO:0007162
Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
1 Q9QY40 (/ISO)
Negative regulation of lamellipodium assembly GO:0010593
Any process that decreases the rate, frequency or extent of the formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.
1 D3ZLH5 (/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 Q9ULL4 (/IDA)
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 Q9QY40 (/ISO)
Negative regulation of cell migration GO:0030336
Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
1 Q9QY40 (/ISO)
Negative regulation of cell migration GO:0030336
Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
1 Q9QY40 (/ISS)
Negative regulation of GTPase activity GO:0034260
Any process that stops or reduces the rate of GTP hydrolysis by a GTPase.
1 Q9ULL4 (/IMP)
Negative regulation of GTPase activity GO:0034260
Any process that stops or reduces the rate of GTP hydrolysis by a GTPase.
1 Q9QY40 (/ISO)
Positive chemotaxis GO:0050918
The directed movement of a motile cell or organism towards a higher concentration of a chemical.
1 Q9ULL4 (/IDA)
Positive chemotaxis GO:0050918
The directed movement of a motile cell or organism towards a higher concentration of a chemical.
1 Q9QY40 (/ISO)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q9ULL4 (/IDA)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q9QY40 (/ISO)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q9QY40 (/ISS)
Semaphorin-plexin signaling pathway GO:0071526
A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
1 Q9ULL4 (/IDA)
Semaphorin-plexin signaling pathway GO:0071526
A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
1 D3ZLH5 (/IMP)
Semaphorin-plexin signaling pathway GO:0071526
A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
1 Q9QY40 (/ISO)
Semaphorin-plexin signaling pathway GO:0071526
A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
1 Q9QY40 (/ISS)

There are 3 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.
1 Q9ULL4 (/TAS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 Q9ULL4 (/IDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 Q9QY40 (/ISO)