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:

"
Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding 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 264207: Regulator of G-protein signaling 6

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 8 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
GTPase activator activity GO:0005096
Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
7 O54828 (/TAS) O54829 (/TAS) O75916 (/TAS) P49758 (/TAS) P49803 (/TAS) Q9Z2H1 (/TAS) Q9Z2H2 (/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).
6 O46469 (/IPI) O54828 (/IPI) O54829 (/IPI) P49758 (/IPI) P49803 (/IPI) Q9Z2H2 (/IPI)
GTPase activator activity GO:0005096
Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
3 P49758 (/IDA) P49802 (/IDA) P49805 (/IDA)
GTPase activator activity GO:0005096
Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
2 O54829 (/ISO) Q9Z2H2 (/ISO)
G-protein beta-subunit binding GO:0031681
Interacting selectively and non-covalently with a G-protein beta subunit.
2 P49802 (/IPI) P49803 (/IPI)
G-protein beta-subunit binding GO:0031681
Interacting selectively and non-covalently with a G-protein beta subunit.
2 O54829 (/ISO) Q9Z2H1 (/ISO)
GTPase activator activity GO:0005096
Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
1 Q9Z2H2 (/ISS)
Protein complex binding GO:0032403
Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
1 P49805 (/IDA)

There are 13 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
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).
4 O54828 (/TAS) O54829 (/TAS) Q9Z2H1 (/TAS) Q9Z2H2 (/TAS)
Regulation of G-protein coupled receptor protein signaling pathway GO:0008277
Any process that modulates the frequency, rate or extent of G-protein coupled receptor protein signaling pathway activity.
3 O54829 (/IDA) P49803 (/IDA) P49805 (/IDA)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
3 P49758 (/IDA) P49802 (/IDA) P49805 (/IDA)
Protein folding GO:0006457
The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
2 O75916 (/TAS) P49802 (/TAS)
Regulation of G-protein coupled receptor protein signaling pathway GO:0008277
Any process that modulates the frequency, rate or extent of G-protein coupled receptor protein signaling pathway activity.
2 O75916 (/TAS) P49758 (/TAS)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
2 O54829 (/ISO) Q9Z2H2 (/ISO)
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 O54829 (/IDA)
Dopamine receptor signaling pathway GO:0007212
The series of molecular signals generated as a consequence of a dopamine receptor binding to one of its physiological ligands.
1 P49805 (/IMP)
Nervous system development GO:0007399
The process whose specific outcome is the progression of nervous tissue over time, from its formation to its mature state.
1 P49805 (/IEP)
Regulation of G-protein coupled receptor protein signaling pathway GO:0008277
Any process that modulates the frequency, rate or extent of G-protein coupled receptor protein signaling pathway activity.
1 O54829 (/IGI)
Regulation of rhodopsin mediated signaling pathway GO:0022400
Any process that modulates the frequency, rate or extent of rhodopsin-mediated signaling.
1 O46469 (/TAS)
Positive regulation of GTPase activity GO:0043547
Any process that activates or increases the activity of a GTPase.
1 Q9Z2H2 (/ISS)
Response to estrogen GO:0043627
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of stimulus by an estrogen, C18 steroid hormones that can stimulate the development of female sexual characteristics.
1 P49805 (/IEP)

There are 16 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
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
3 P49758 (/IDA) P49802 (/IDA) P49803 (/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.
2 O54829 (/IDA) P49805 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
2 O54829 (/ISO) Q9Z2H2 (/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.
2 O54829 (/IDA) P49803 (/IDA)
Dendrite terminus GO:0044292
A structure at the distal end of a dendrite adapted to carry out a specific function, e.g. dendriole.
2 O54829 (/IDA) Q9Z2H1 (/IDA)
Photoreceptor disc membrane GO:0097381
Ovally-shaped membranous stack located inside the photoreceptor outer segment, and containing densely packed molecules of the photoreceptor protein rhodopsin that traverse the lipid bilayer. Disc membranes are apparently derived from the plasma membrane in the region of the cilium that connects the photoreceptor outer segment to the inner segment.
2 O46469 (/TAS) O75916 (/TAS)
Photoreceptor outer segment GO:0001750
The outer segment of a vertebrate photoreceptor that contains discs of photoreceptive membranes.
1 O54828 (/IDA)
Photoreceptor inner segment GO:0001917
The inner segment of a vertebrate photoreceptor containing mitochondria, ribosomes and membranes where opsin molecules are assembled and passed to be part of the outer segment discs.
1 O54828 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P49805 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 Q9Z2H2 (/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.
1 P49802 (/TAS)
Extrinsic component of membrane GO:0019898
The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 P49758 (/IDA)
Extrinsic component of membrane GO:0019898
The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 Q9Z2H2 (/ISO)
Extrinsic component of membrane GO:0019898
The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 Q9Z2H2 (/ISS)
Protein complex GO:0043234
A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
1 P49803 (/IDA)
Protein complex GO:0043234
A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
1 Q9Z2H1 (/ISO)