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:

"
Rhodopsin 7-helix transmembrane proteins
".

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 171: KISS1 receptor b

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 9 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
Neuropeptide receptor activity GO:0008188
Combining with a neuropeptide to initiate a change in cell activity.
8 A8CAH3 (/IDA) A8CAH4 (/IDA) B0F101 (/IDA) F1QZU4 (/IDA) F1R5R4 (/IDA) I6LNU1 (/IDA) I6LNU6 (/IDA) Q969F8 (/IDA)
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).
3 Q91V45 (/IPI) Q91V45 (/IPI) Q969F8 (/IPI)
G protein-coupled receptor activity GO:0004930
Combining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Neuropeptide receptor activity GO:0008188
Combining with a neuropeptide to initiate a change in cell activity.
2 Q91V45 (/ISO) Q91V45 (/ISO)
G protein-coupled peptide receptor activity GO:0008528
Combining with a peptide and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
2 Q91V45 (/IDA) Q91V45 (/IDA)
G protein-coupled peptide receptor activity GO:0008528
Combining with a peptide and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Neuropeptide binding GO:0042923
Interacting selectively and non-covalently and stoichiometrically with neuropeptides, peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators).
2 Q91V45 (/ISO) Q91V45 (/ISO)
G protein-coupled peptide receptor activity GO:0008528
Combining with a peptide and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex.
1 Q924U1 (/IPI)
Neuropeptide binding GO:0042923
Interacting selectively and non-covalently and stoichiometrically with neuropeptides, peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators).
1 Q924U1 (/IDA)

There are 20 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
Positive regulation of transcription, DNA-templated GO:0045893
Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
3 A8CAH4 (/IDA) F1QZU4 (/IDA) I6LNU1 (/IDA)
Activation of MAPKK activity GO:0000186
The initiation of the activity of the inactive enzyme MAP kinase kinase (MAPKK).
2 Q91V45 (/ISO) Q91V45 (/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.
2 Q91V45 (/IDA) Q91V45 (/IDA)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
2 Q91V45 (/ISO) Q91V45 (/ISO)
Negative regulation of cell population proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Calcium-mediated signaling GO:0019722
Any intracellular signal transduction in which the signal is passed on within the cell via calcium ions.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Positive regulation of hormone secretion GO:0046887
Any process that activates or increases the frequency, rate or extent of the regulated release of a hormone from a cell.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Arachidonic acid secretion GO:0050482
The controlled release of arachidonic acid from a cell or a tissue.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Positive regulation of synaptic transmission GO:0050806
Any process that activates or increases the frequency, rate or extent of synaptic transmission, the process of communication from a neuron to a target (neuron, muscle, or secretory cell) across a synapse.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Positive regulation of stress fiber assembly GO:0051496
Any process that activates or increases the frequency, rate or extent of the assembly of a stress fiber, a bundle of microfilaments and other proteins found in fibroblasts.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Activation of MAPKK activity GO:0000186
The initiation of the activity of the inactive enzyme MAP kinase kinase (MAPKK).
1 Q924U1 (/IDA)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
1 Q924U1 (/IMP)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
1 Q969F8 (/NAS)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
1 Q969F8 (/TAS)
Negative regulation of cell population proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 Q924U1 (/IDA)
Calcium-mediated signaling GO:0019722
Any intracellular signal transduction in which the signal is passed on within the cell via calcium ions.
1 Q924U1 (/IMP)
Positive regulation of hormone secretion GO:0046887
Any process that activates or increases the frequency, rate or extent of the regulated release of a hormone from a cell.
1 Q924U1 (/IDA)
Arachidonic acid secretion GO:0050482
The controlled release of arachidonic acid from a cell or a tissue.
1 Q924U1 (/IDA)
Positive regulation of synaptic transmission GO:0050806
Any process that activates or increases the frequency, rate or extent of synaptic transmission, the process of communication from a neuron to a target (neuron, muscle, or secretory cell) across a synapse.
1 Q924U1 (/IMP)
Positive regulation of stress fiber assembly GO:0051496
Any process that activates or increases the frequency, rate or extent of the assembly of a stress fiber, a bundle of microfilaments and other proteins found in fibroblasts.
1 Q924U1 (/IDA)

There are 15 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
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
9 A8CAH3 (/IDA) A8CAH4 (/IDA) B0F101 (/IDA) F1QZU4 (/IDA) F1R5R4 (/IDA) I6LNU1 (/IDA) I6LNU6 (/IDA) Q91V45 (/IDA) Q91V45 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
7 A8CAH3 (/IDA) A8CAH4 (/IDA) B0F101 (/IDA) F1QZU4 (/IDA) F1R5R4 (/IDA) I6LNU1 (/IDA) I6LNU6 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
3 A8CAH4 (/IDA) F1QZU4 (/IDA) I6LNU1 (/IDA)
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 Q91V45 (/ISO) Q91V45 (/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.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Cilium GO:0005929
A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
2 Q91V45 (/ISO) Q91V45 (/ISO)
Integral component of membrane GO:0016021
The component of a 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 Q91V45 (/ISO) Q91V45 (/ISO)
Intracellular membrane-bounded organelle GO:0043231
Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
2 Q91V45 (/ISO) Q91V45 (/ISO)
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 Q969F8 (/IDA)
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 Q969F8 (/TAS)
Cilium GO:0005929
A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body.
1 Q969F8 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q924U1 (/IDA)
Integral component of membrane GO:0016021
The component of a 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 Q969F8 (/IDA)
Intracellular membrane-bounded organelle GO:0043231
Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
1 Q969F8 (/IDA)
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