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:

"
Neurotransmitter-gated ion-channel transmembrane domain
".

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 15: Gamma-aminobutyric acid (GABA-A) receptor, subunit...

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
GABA-A receptor activity GO:0004890
Combining with the amino acid gamma-aminobutyric acid (GABA, 4-aminobutyrate) to initiate a change in cell activity. GABA-A receptors function as chloride channels.
2 P22933 (/ISO) P22933 (/ISO)
Transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential GO:1904315
Any transmitter-gated ion channel activity that is involved in regulation of postsynaptic membrane potential.
2 P22933 (/IDA) P22933 (/IDA)
Transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential GO:1904315
Any transmitter-gated ion channel activity that is involved in regulation of postsynaptic membrane potential.
2 P22933 (/IMP) P22933 (/IMP)
GABA-A receptor activity GO:0004890
Combining with the amino acid gamma-aminobutyric acid (GABA, 4-aminobutyrate) to initiate a change in cell activity. GABA-A receptors function as chloride channels.
1 P18506 (/IDA)
GABA-A receptor activity GO:0004890
Combining with the amino acid gamma-aminobutyric acid (GABA, 4-aminobutyrate) to initiate a change in cell activity. GABA-A receptors function as chloride channels.
1 O14764 (/TAS)
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).
1 O14764 (/IPI)

There are 3 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
Chemical synaptic transmission GO:0007268
The vesicular release of classical neurotransmitter molecules from a presynapse, across a chemical synapse, the subsequent activation of neurotransmitter receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
2 P22933 (/ISO) P22933 (/ISO)
Signal transduction GO:0007165
The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
1 O14764 (/TAS)
Chemical synaptic transmission GO:0007268
The vesicular release of classical neurotransmitter molecules from a presynapse, across a chemical synapse, the subsequent activation of neurotransmitter receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
1 P18506 (/IDA)

There are 8 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
GABA-ergic synapse GO:0098982
A synapse that uses GABA as a neurotransmitter. These synapses are typically inhibitory.
3 P18506 (/IDA) P22933 (/IDA) P22933 (/IDA)
Integral component of postsynaptic membrane GO:0099055
The component of the postsynaptic 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.
3 P18506 (/IDA) P22933 (/IDA) P22933 (/IDA)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
2 P22933 (/ISO) P22933 (/ISO)
GABA-ergic synapse GO:0098982
A synapse that uses GABA as a neurotransmitter. These synapses are typically inhibitory.
2 P22933 (/IMP) P22933 (/IMP)
GABA-ergic synapse GO:0098982
A synapse that uses GABA as a neurotransmitter. These synapses are typically inhibitory.
2 P22933 (/ISO) P22933 (/ISO)
Integral component of postsynaptic membrane GO:0099055
The component of the postsynaptic 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 P22933 (/ISO) P22933 (/ISO)
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 O14764 (/TAS)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
1 P18506 (/IDA)
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