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:

"
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 95: WD repeat and FYVE domain containing 3

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 4 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).
2 Q8IZQ1 (/IPI) Q8IZQ1 (/IPI)
1-phosphatidylinositol binding GO:0005545
Interacting selectively and non-covalently with phosphatidylinositol, any glycophospholipid with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
2 Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
Beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase activity GO:0003831
Catalysis of the reaction: UDP-galactose + N-acetyl-beta-D-glucosaminylglycopeptide = UDP + beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminylglycopeptide.
1 Q6VNB8 (/IDA)
1-phosphatidylinositol binding GO:0005545
Interacting selectively and non-covalently with phosphatidylinositol, any glycophospholipid with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
1 Q6VNB8 (/ISO)

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
Aggrephagy GO:0035973
Selective degradation of protein aggregates by macroautophagy.
2 Q8IZQ1 (/IMP) Q8IZQ1 (/IMP)
Microtubule bundle formation GO:0001578
A process that results in a parallel arrangement of microtubules.
1 Q9VML2 (/IMP)
Brain development GO:0007420
The process whose specific outcome is the progression of the brain over time, from its formation to the mature structure. Brain development begins with patterning events in the neural tube and ends with the mature structure that is the center of thought and emotion. The brain is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.).
1 Q9VML2 (/IMP)
Chaeta development GO:0022416
The process whose specific outcome is the progression of a chaeta over time, from its formation to the mature structure. A chaeta is a sensory multicellular cuticular outgrowth of a specifically differentiated cell.
1 Q9VML2 (/IGI)
Regulation of protein ubiquitination GO:0031396
Any process that modulates the frequency, rate or extent of the addition of ubiquitin groups to a protein.
1 Q9VML2 (/IMP)
Lysosome localization GO:0032418
Any process in which a lysosome is transported to, and/or maintained in, a specific location.
1 Q9VML2 (/IMP)
Aggrephagy GO:0035973
Selective degradation of protein aggregates by macroautophagy.
1 Q6VNB8 (/ISO)
Aggrephagy GO:0035973
Selective degradation of protein aggregates by macroautophagy.
1 Q6VNB8 (/ISS)
Positive regulation of organ growth GO:0046622
Any process that activates or increases the frequency, rate or extent of growth of an organ of an organism.
1 Q9VML2 (/IMP)
Neuron development GO:0048666
The process whose specific outcome is the progression of a neuron over time, from initial commitment of the cell to a specific fate, to the fully functional differentiated cell.
1 Q9VML2 (/IMP)
Compound eye development GO:0048749
The process whose specific outcome is the progression of the compound eye over time, from its formation to the mature structure. The compound eye is an organ of sight that contains multiple repeating units, often arranged hexagonally. Each unit has its own lens and photoreceptor cell(s) and can generate either a single pixelated image or multiple images, per eye.
1 Q9VML2 (/IMP)
Regulation of synapse organization GO:0050807
Any process that modulates the physical form of a synapse, the junction between a neuron and a target (neuron, muscle, or secretory cell).
1 Q9VML2 (/IGI)
Fasciculation of motor neuron axon GO:0097156
The collection of motor neuron axons into a bundle of rods, known as a fascicle.
1 Q9VML2 (/IMP)

There are 26 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
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.
4 A0A024RDI0 (/IDA) A0A024RDI0 (/IDA) Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
4 A0A024RDI0 (/IDA) A0A024RDI0 (/IDA) Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
4 Q6VNB8 (/IDA) Q8IZQ1 (/IDA) Q8IZQ1 (/IDA) Q9VML2 (/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.
4 A0A024RDI0 (/IDA) A0A024RDI0 (/IDA) Q8IZQ1 (/IDA) Q8IZQ1 (/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.
4 A0A024RDI0 (/IDA) A0A024RDI0 (/IDA) Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
Nuclear envelope GO:0005635
The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
2 Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
Autophagosome GO:0005776
A double-membrane-bounded compartment that engulfs endogenous cellular material as well as invading microorganisms to target them to the lytic vacuole/lysosome for degradation as part of macroautophagy.
2 Q8IZQ1 (/IMP) Q8IZQ1 (/IMP)
Inclusion body GO:0016234
A discrete intracellular part formed of aggregated molecules such as proteins or other biopolymers.
2 Q8IZQ1 (/IDA) Q8IZQ1 (/IDA)
PML body GO:0016605
A class of nuclear body; they react against SP100 auto-antibodies (PML, promyelocytic leukemia); cells typically contain 10-30 PML bodies per nucleus; alterations in the localization of PML bodies occurs after viral infection.
2 Q8IZQ1 (/IDA) Q8IZQ1 (/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.
2 Q8IZQ1 (/IDA) Q8IZQ1 (/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.
1 Q6VNB8 (/ISO)
Nuclear envelope GO:0005635
The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
1 Q6VNB8 (/ISO)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
1 Q6VNB8 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q6VNB8 (/ISO)
Lysosome GO:0005764
A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
1 Q9VML2 (/IDA)
Autophagosome GO:0005776
A double-membrane-bounded compartment that engulfs endogenous cellular material as well as invading microorganisms to target them to the lytic vacuole/lysosome for degradation as part of macroautophagy.
1 Q6VNB8 (/ISO)
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 Q6VNB8 (/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 Q6VNB8 (/ISO)
Inclusion body GO:0016234
A discrete intracellular part formed of aggregated molecules such as proteins or other biopolymers.
1 Q6VNB8 (/ISO)
Inclusion body GO:0016234
A discrete intracellular part formed of aggregated molecules such as proteins or other biopolymers.
1 Q6VNB8 (/ISS)
PML body GO:0016605
A class of nuclear body; they react against SP100 auto-antibodies (PML, promyelocytic leukemia); cells typically contain 10-30 PML bodies per nucleus; alterations in the localization of PML bodies occurs after viral infection.
1 Q6VNB8 (/ISO)
PML body GO:0016605
A class of nuclear body; they react against SP100 auto-antibodies (PML, promyelocytic leukemia); cells typically contain 10-30 PML bodies per nucleus; alterations in the localization of PML bodies occurs after viral infection.
1 Q6VNB8 (/ISS)
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 Q6VNB8 (/ISO)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
1 Q9VML2 (/IDA)
Presynaptic active zone GO:0048786
A specialized region of the plasma membrane and cell cortex of a presynaptic neuron; encompasses a region of the plasma membrane where synaptic vesicles dock and fuse, and a specialized cortical cytoskeletal matrix.
1 Q9VML2 (/IDA)
Extrinsic component of autophagosome membrane GO:0097635
The component of the autophagosome 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 Q6VNB8 (/IDA)
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