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:

"
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 3382:

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 4 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
Transmembrane receptor protein tyrosine kinase activity GO:0004714
Combining with a signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity by catalysis of the reaction: ATP + a protein-L-tyrosine = ADP + a protein-L-tyrosine phosphate.
1 Q91009 (/ISS)
Nerve growth factor receptor activity GO:0010465
Combining with nerve growth factor (NGF), to prevent apoptosis in neurons and promote nerve growth, or to initiate a change in cell activity.
1 Q91009 (/ISS)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 Q91009 (/ISS)
Nerve growth factor binding GO:0048406
Interacting selectively and non-covalently with nerve growth factor (NGF).
1 Q91009 (/ISS)

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
Protein phosphorylation GO:0006468
The process of introducing a phosphate group on to a protein.
1 Q91009 (/ISS)
Negative regulation of cell population proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 Q91009 (/ISS)
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 Q91009 (/ISS)
Negative regulation of neuron apoptotic process GO:0043524
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process in neurons.
1 Q91009 (/ISS)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
1 Q91009 (/ISS)
Positive regulation of Ras protein signal transduction GO:0046579
Any process that activates or increases the frequency, rate or extent of Ras protein signal transduction.
1 Q91009 (/ISS)
Protein autophosphorylation GO:0046777
The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
1 Q91009 (/ISS)
Neurotrophin TRK receptor signaling pathway GO:0048011
A series of molecular signals initiated by the binding of a neurotrophin to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q91009 (/ISS)
Sympathetic nervous system development GO:0048485
The process whose specific outcome is the progression of the sympathetic nervous system over time, from its formation to the mature structure. The sympathetic nervous system is one of the two divisions of the vertebrate autonomic nervous system (the other being the parasympathetic nervous system). The sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar regions of the spinal cord and connect to the paravertebral chain of sympathetic ganglia. Innervate heart and blood vessels, sweat glands, viscera and the adrenal medulla. Most sympathetic neurons, but not all, use noradrenaline as a post-ganglionic neurotransmitter.
1 Q91009 (/ISS)
Positive regulation of NF-kappaB transcription factor activity GO:0051092
Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.
1 Q91009 (/ISS)
Axonogenesis involved in innervation GO:0060385
The neurite development process that generates a long process of a neuron, as it invades a target tissue.
1 Q91009 (/ISS)
Positive regulation of ERK1 and ERK2 cascade GO:0070374
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
1 Q91009 (/ISS)

There are 1 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
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.
1 Q91009 (/ISS)
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