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:

"
Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
".

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 51: Serine/threonine-protein phosphatase 4 regulatory ...

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 1 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
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).
5 Q54I18 (/IPI) Q6P2K6 (/IPI) Q922R5 (/IPI) Q9VFS5 (/IPI) Q9VFS5 (/IPI)

There are 15 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
DNA repair GO:0006281
The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
2 Q9VFS5 (/IMP) Q9VFS5 (/IMP)
Protein dephosphorylation GO:0006470
The process of removing one or more phosphoric residues from a protein.
2 Q6P2K6 (/IMP) Q922R5 (/IMP)
Basal protein localization GO:0045175
Any process in which a protein is transported to, or maintained in, basal regions of the cell.
2 Q9VFS5 (/IMP) Q9VFS5 (/IMP)
Positive regulation of gluconeogenesis GO:0045722
Any process that activates or increases the frequency, rate or extent of gluconeogenesis.
2 Q6P2K6 (/IDA) Q922R5 (/IDA)
Asymmetric neuroblast division GO:0055059
The process resulting in the physical partitioning and separation of a neuroblast into two daughter cells with different developmental potentials.
2 Q9VFS5 (/IMP) Q9VFS5 (/IMP)
Cellular response to DNA damage stimulus GO:0006974
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
1 H2KYN6 (/IMP)
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 Q54I18 (/IGI)
Response to UV GO:0009411
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 an ultraviolet radiation (UV light) stimulus. Ultraviolet radiation is electromagnetic radiation with a wavelength in the range of 10 to 380 nanometers.
1 H2KYN6 (/IMP)
Response to X-ray GO:0010165
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 X-ray radiation. An X-ray is a form of electromagnetic radiation with a wavelength in the range of 10 nanometers to 100 picometers (corresponding to frequencies in the range 30 PHz to 3 EHz).
1 H2KYN6 (/IMP)
Regulation of lipid metabolic process GO:0019216
Any process that modulates the frequency, rate or extent of the chemical reactions and pathways involving lipids.
1 D3ZCR4 (/IMP)
Regulation of lipid metabolic process GO:0019216
Any process that modulates the frequency, rate or extent of the chemical reactions and pathways involving lipids.
1 Q922R5 (/ISO)
Defense response to bacterium GO:0042742
Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
1 H2KYN6 (/IMP)
Chemotaxis to cAMP GO:0043327
The directed movement of a motile cell or organism in response to the presence of 3',5'-cAMP.
1 Q54I18 (/IMP)
Negative regulation of mitotic DNA damage checkpoint GO:1904290
Any process that stops, prevents or reduces the frequency, rate or extent of mitotic DNA damage checkpoint.
1 H2KYN6 (/IGI)
Negative regulation of mitotic DNA damage checkpoint GO:1904290
Any process that stops, prevents or reduces the frequency, rate or extent of mitotic DNA damage checkpoint.
1 H2KYN6 (/IMP)

There are 11 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
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
16 A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) A0A024R6M2 (/IDA) Q5MIZ7 (/IDA)
(6 more)
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.
6 H2KYN6 (/IDA) Q54I18 (/IDA) Q6P2K6 (/IDA) Q922R5 (/IDA) Q9VFS5 (/IDA) Q9VFS5 (/IDA)
Protein phosphatase 4 complex GO:0030289
A protein serine/threonine phosphatase complex formed by the catalytic subunit of protein phosphatase 4 plus one or more regulatory subunits.
5 Q54I18 (/IDA) Q6P2K6 (/IDA) Q922R5 (/IDA) Q9VFS5 (/IDA) Q9VFS5 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
4 Q6P2K6 (/IDA) Q922R5 (/IDA) Q9VFS5 (/IDA) Q9VFS5 (/IDA)
Chromosome, centromeric region GO:0000775
The region of a chromosome that includes the centromeric DNA and associated proteins. In monocentric chromosomes, this region corresponds to a single area of the chromosome, whereas in holocentric chromosomes, it is evenly distributed along the chromosome.
2 Q9VFS5 (/IPI) Q9VFS5 (/IPI)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
2 Q6P2K6 (/ISO) Q922R5 (/ISO)
Centrosome GO:0005813
A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
1 Q5MIZ7 (/IDA)
Centrosome GO:0005813
A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
1 Q922R5 (/ISO)
Cell cortex GO:0005938
The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
1 Q54I18 (/IDA)
Nuclear speck GO:0016607
A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
1 Q5MIZ7 (/IDA)
Nuclear speck GO:0016607
A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
1 Q922R5 (/ISO)
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