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:

"
EF-hand
".

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 271: Epidermal growth factor receptor substrate 15 homo...

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
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 Q54KI4 (/IPI) Q54KI4 (/IPI) Q9BIF4 (/IPI)
Calcium ion binding GO:0005509
Interacting selectively and non-covalently with calcium ions (Ca2+).
1 Q9HGL2 (/ISM)

There are 9 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
Synaptic vesicle endocytosis GO:0048488
A vesicle-mediated transport process, in which the synaptic vesicle membrane constituents are retrieved from the presynaptic membrane on the axon terminal after neurotransmitter secretion by exocytosis. Synaptic vesicle endocytosis can occur via clathrin-dependent and clathrin-independent mechanisms.
6 E3CTP7 (/IMP) Q8MMD2 (/IMP) Q8MMD3 (/IMP) Q8WQ61 (/IMP) Q9BIF4 (/IMP) Q9W111 (/IMP)
Receptor-mediated endocytosis GO:0006898
An endocytosis process in which cell surface receptors ensure specificity of transport. A specific receptor on the cell surface binds tightly to the extracellular macromolecule (the ligand) that it recognizes; the plasma-membrane region containing the receptor-ligand complex then undergoes endocytosis, forming a transport vesicle containing the receptor-ligand complex and excluding most other plasma-membrane proteins. Receptor-mediated endocytosis generally occurs via clathrin-coated pits and vesicles.
5 E3CTP7 (/NAS) Q8MMD2 (/NAS) Q8MMD3 (/NAS) Q8WQ61 (/NAS) Q9W111 (/NAS)
Regulation of synaptic growth at neuromuscular junction GO:0008582
Any process that modulates the frequency, rate or extent of synaptic growth at neuromuscular junctions.
5 E3CTP7 (/IMP) Q8MMD2 (/IMP) Q8MMD3 (/IMP) Q8WQ61 (/IMP) Q9W111 (/IMP)
Synaptic vesicle endocytosis GO:0048488
A vesicle-mediated transport process, in which the synaptic vesicle membrane constituents are retrieved from the presynaptic membrane on the axon terminal after neurotransmitter secretion by exocytosis. Synaptic vesicle endocytosis can occur via clathrin-dependent and clathrin-independent mechanisms.
5 E3CTP7 (/IDA) Q8MMD2 (/IDA) Q8MMD3 (/IDA) Q8WQ61 (/IDA) Q9W111 (/IDA)
Actin cortical patch assembly GO:0000147
Assembly of an actin cortical patch, a discrete actin-containing structure found at the plasma membrane of fungal cells.
1 Q9HGL2 (/ISO)
Intracellular protein transport GO:0006886
The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
1 Q9HGL2 (/IC)
Endocytosis GO:0006897
A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
1 Q9HGL2 (/ISO)
Chemical synaptic transmission GO:0007268
The vesicular release of classical neurotransmitter molecules from a presynapse, across a chemical synapse, the subsequent activation of neurotransmitter receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
1 Q9BIF4 (/IMP)
Negative regulation of Notch signaling pathway GO:0045746
Any process that stops, prevents, or reduces the frequency, rate or extent of the Notch signaling pathway.
1 Q9W111 (/IMP)

There are 12 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.
5 E3CTP7 (/HDA) Q8MMD2 (/HDA) Q8MMD3 (/HDA) Q8WQ61 (/HDA) Q9W111 (/HDA)
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.
5 E3CTP7 (/IDA) Q8MMD2 (/IDA) Q8MMD3 (/IDA) Q8WQ61 (/IDA) Q9W111 (/IDA)
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.
5 E3CTP7 (/IMP) Q8MMD2 (/IMP) Q8MMD3 (/IMP) Q8WQ61 (/IMP) Q9W111 (/IMP)
Extrinsic component of presynaptic endocytic zone membrane GO:0098894
The component of the presynaptic endocytic zone membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
5 E3CTP7 (/IDA) Q8MMD2 (/IDA) Q8MMD3 (/IDA) Q8WQ61 (/IDA) Q9W111 (/IDA)
AP-2 adaptor complex GO:0030122
A heterotetrameric AP-type membrane coat adaptor complex that consists of alpha, beta2, mu2 and sigma2 subunits, and links clathrin to the membrane surface of a vesicle, and the cargo receptors during receptor/clathrin mediated endocytosis. Vesicles with AP-2-containing coats are normally found primarily near the plasma membrane, on endocytic vesicles. In at least humans, the AP-2 complex can be heterogeneric due to the existence of multiple subunit isoforms encoded by different alpha genes (alphaA and alphaC).
2 Q54KI4 (/IDA) Q54KI4 (/IDA)
Clathrin coat of coated pit GO:0030132
The coat found on coated pits and the coated vesicles derived from coated pits; comprises clathrin and the AP-2 adaptor complex.
2 Q54KI4 (/IC) Q54KI4 (/IC)
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 Q9BIF4 (/IDA)
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 Q9HGL2 (/HDA)
Axon GO:0030424
The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
1 Q9BIF4 (/IMP)
Actin cortical patch GO:0030479
An endocytic patch that consists of an actin-containing structure found at the plasma membrane in cells; formed of networks of branched actin filaments that lie just beneath the plasma membrane and assemble, move, and disassemble rapidly. An example of this is the actin cortical patch found in Saccharomyces cerevisiae.
1 Q9HGL2 (/ISO)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
1 Q9BIF4 (/IMP)
Presynaptic endocytic zone cytoplasmic component GO:0098834
The cytoplasmic component of the presynaptic endocytic zone.
1 E3CTP7 (/IDA)
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