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: waiting to be named.

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 20: Arrestin, Arr2

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 2 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
Opsin binding GO:0002046
Interacting selectively and non-covalently with an opsin, any of a group of hydrophobic, integral membrane glycoproteins located primarily in the disc membrane of rods or cones, involved in photoreception.
2 P19107 (/TAS) P19107 (/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).
2 P19107 (/IPI) P19107 (/IPI)

There are 11 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
Desensitization of G protein-coupled receptor signaling pathway by arrestin GO:0002032
The process that inhibits the signaling function of a G protein-coupled receptor by uncoupling the receptor from its downstream G proteins.
2 P19107 (/IMP) P19107 (/IMP)
Sensory perception of sound GO:0007605
The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.
2 P19107 (/IMP) P19107 (/IMP)
Sensory perception of smell GO:0007608
The series of events required for an organism to receive an olfactory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Olfaction involves the detection of chemical composition of an organism's ambient medium by chemoreceptors. This is a neurological process.
2 P19107 (/IMP) P19107 (/IMP)
Deactivation of rhodopsin mediated signaling GO:0016059
The process of restoring the photoreceptor cell to its unexcited state after termination of the stimulus (photon).
2 P19107 (/IGI) P19107 (/IGI)
Deactivation of rhodopsin mediated signaling GO:0016059
The process of restoring the photoreceptor cell to its unexcited state after termination of the stimulus (photon).
2 P19107 (/IMP) P19107 (/IMP)
Deactivation of rhodopsin mediated signaling GO:0016059
The process of restoring the photoreceptor cell to its unexcited state after termination of the stimulus (photon).
2 P19107 (/TAS) P19107 (/TAS)
Metarhodopsin inactivation GO:0016060
The process in which metarhodopsin is prevented from generating molecular signals. Activated rhodopsin (R*) is inactivated by a two-step process: first, R* is phosphorylated by rhodopsin kinase which lowers the activity of R*. Second, the protein arrestin binds to phosphorylated R* to de-activate it.
2 P19107 (/IGI) P19107 (/IGI)
Metarhodopsin inactivation GO:0016060
The process in which metarhodopsin is prevented from generating molecular signals. Activated rhodopsin (R*) is inactivated by a two-step process: first, R* is phosphorylated by rhodopsin kinase which lowers the activity of R*. Second, the protein arrestin binds to phosphorylated R* to de-activate it.
2 P19107 (/IMP) P19107 (/IMP)
Metarhodopsin inactivation GO:0016060
The process in which metarhodopsin is prevented from generating molecular signals. Activated rhodopsin (R*) is inactivated by a two-step process: first, R* is phosphorylated by rhodopsin kinase which lowers the activity of R*. Second, the protein arrestin binds to phosphorylated R* to de-activate it.
2 P19107 (/NAS) P19107 (/NAS)
Adaptation of rhodopsin mediated signaling GO:0016062
The process in which a rhodopsin-mediated signaling pathway is adjusted to modulate the sensitivity and response of a visual system to light stimuli (that might vary over more than 6 magnitudes in intensity) without response saturation.
2 P19107 (/IMP) P19107 (/IMP)
Photoreceptor cell maintenance GO:0045494
Any process preventing the degeneration of the photoreceptor, a specialized cell type that is sensitive to light.
2 P19107 (/IMP) P19107 (/IMP)

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
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P19107 (/IDA) P19107 (/IDA)
Rhabdomere GO:0016028
The specialized microvilli-containing organelle on the apical surfaces of a photoreceptor cell containing the visual pigment rhodopsin and most of the proteins involved in phototransduction.
2 P19107 (/IDA) P19107 (/IDA)
Subrhabdomeral cisterna GO:0016029
A membrane-bounded compartment that is found at the base of the rhabdomere and contains stored calcium, InsP3 receptors and smooth endoplasmic reticulum Ca2+-ATPase.
2 P19107 (/IDA) P19107 (/IDA)
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