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 338: Spectrin beta chain

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
Structural constituent of synapse GO:0098918
The action of a molecule that contributes to the structural integrity of a synapse.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Structural constituent of synapse GO:0098918
The action of a molecule that contributes to the structural integrity of a synapse.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)

There are 16 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
Synapse assembly GO:0007416
The aggregation, arrangement and bonding together of a set of components to form a synapse. This process ends when the synapse is mature (functional).
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Synaptic vesicle exocytosis GO:0016079
Fusion of intracellular membrane-bounded vesicles with the pre-synaptic membrane of the neuronal cell resulting in release of neurotransmitter into the synaptic cleft.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Vesicle-mediated transport GO:0016192
A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Cerebellar Purkinje cell layer morphogenesis GO:0021692
The process in which the anatomical structure of the cerebellar Purkinje cell layer is generated and organized. The Purkinje cell layer lies just underneath the molecular layer of the cerebellar cortex. It contains the neuronal cell bodies of the Purkinje cells that are arranged side by side in a single layer. Candelabrum interneurons are vertically oriented between the Purkinje cells. Purkinje neurons are inhibitory and provide the output of the cerebellar cortex through axons that project into the white matter. Extensive dendritic trees from the Purkinje cells extend upward in a single plane into the molecular layer where they synapse with parallel fibers of granule cells.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Adult behavior GO:0030534
Behavior in a fully developed and mature organism.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Multicellular organism growth GO:0035264
The increase in size or mass of an entire multicellular organism, as opposed to cell growth.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Postsynapse organization GO:0099173
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a postsynapse.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Postsynapse organization GO:0099173
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a postsynapse.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Embryonic hemopoiesis GO:0035162
The stages of blood cell formation that take place within the embryo.
2 B3DGY6 (/IMP) F1QQE5 (/IMP)
Erythrocyte development GO:0048821
The process whose specific outcome is the progression of an erythrocyte over time, from its formation to the mature structure.
2 B3DGY6 (/IMP) F1QQE5 (/IMP)
Nematode larval development GO:0002119
The process whose specific outcome is the progression of the nematode larva over time, from its formation to the mature structure. Nematode larval development begins with the newly hatched first-stage larva (L1) and ends with the end of the last larval stage (for example the fourth larval stage (L4) in C. elegans). Each stage of nematode larval development is characterized by proliferation of specific cell lineages and an increase in body size without alteration of the basic body plan. Nematode larval stages are separated by molts in which each stage-specific exoskeleton, or cuticle, is shed and replaced anew.
1 G5EG85 (/IMP)
Embryonic body morphogenesis GO:0010172
The process in which the anatomical structures of the embryonic soma are generated and organized.
1 G5EG85 (/IGI)
Dendrite development GO:0016358
The process whose specific outcome is the progression of the dendrite over time, from its formation to the mature structure.
1 G5EG85 (/IMP)
Regulation of locomotion GO:0040012
Any process that modulates the frequency, rate or extent of locomotion of a cell or organism.
1 G5EG85 (/IMP)
Muscle cell cellular homeostasis GO:0046716
The cellular homeostatic process that preserves a muscle cell in a stable functional or structural state.
1 G5EG85 (/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 G5EG85 (/IMP)

There are 22 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
Golgi membrane GO:0000139
The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
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.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Endosome GO:0005768
A vacuole to which materials ingested by endocytosis are delivered.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/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.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/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.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Synaptic vesicle GO:0008021
A secretory organelle, typically 50 nm in diameter, of presynaptic nerve terminals; accumulates in high concentrations of neurotransmitters and secretes these into the synaptic cleft by fusion with the 'active zone' of the presynaptic plasma membrane.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Spectrin GO:0008091
Membrane associated dimeric protein (240 and 220 kDa) of erythrocytes. Forms a complex with ankyrin, actin and probably other components of the membrane cytoskeleton, so that there is a mesh of proteins underlying the plasma membrane, potentially restricting the lateral mobility of integral proteins.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Apical plasma membrane GO:0016324
The region of the plasma membrane located at the apical end of the cell.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Cell junction GO:0030054
A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
3 Q3UGZ4 (/ISO) Q68FG2 (/ISO) Q6A087 (/ISO)
Parallel fiber to Purkinje cell synapse GO:0098688
An excitatory synapse formed by the parallel fibers of granule cells synapsing onto the dendrites of Purkinje cells.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Parallel fiber to Purkinje cell synapse GO:0098688
An excitatory synapse formed by the parallel fibers of granule cells synapsing onto the dendrites of Purkinje cells.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Presynapse GO:0098793
The part of a synapse that is part of the presynaptic cell.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
3 Q3UGZ4 (/IMP) Q68FG2 (/IMP) Q6A087 (/IMP)
Postsynaptic spectrin-associated cytoskeleton GO:0099189
The portion of the spectrin-associated cytoskeleton contained within the postsynapse.
3 Q3UGZ4 (/IDA) Q68FG2 (/IDA) Q6A087 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 G5EG85 (/IDA)
Lateral plasma membrane GO:0016328
The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
1 G5EG85 (/IDA)
Cell junction GO:0030054
A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
1 G5EG85 (/IDA)
M band GO:0031430
The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines.
1 G5EG85 (/IDA)
I band GO:0031674
A region of a sarcomere that appears as a light band on each side of the Z disc, comprising a region of the sarcomere where thin (actin) filaments are not overlapped by thick (myosin) filaments; contains actin, troponin, and tropomyosin; each sarcomere includes half of an I band at each end.
1 G5EG85 (/IDA)
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