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:

"
Arfaptin homology (AH) domain/BAR domain
".

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 110: Sorting nexin

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 3 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 Q9NCC3 (/IPI) Q9NCC3 (/IPI)
Phosphatidylinositol-4,5-bisphosphate binding GO:0005546
Interacting selectively and non-covalently with phosphatidylinositol-4,5-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 4' and 5' positions.
2 Q9NCC3 (/ISS) Q9NCC3 (/ISS)
Kinase binding GO:0019900
Interacting selectively and non-covalently with a kinase, any enzyme that catalyzes the transfer of a phosphate group.
2 Q9NCC3 (/IPI) Q9NCC3 (/IPI)

There are 5 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
Autophagosome assembly GO:0000045
The formation of a double membrane-bounded structure, the autophagosome, that occurs when a specialized membrane sac, called the isolation membrane, starts to enclose a portion of the cytoplasm.
2 Q9NCC3 (/IMP) Q9NCC3 (/IMP)
Positive regulation of neurotransmitter secretion GO:0001956
Any process that activates or increases the frequency, rate or extent of the regulated release of a neurotransmitter.
2 Q9NCC3 (/IMP) Q9NCC3 (/IMP)
Lamellipodium assembly GO:0030032
Formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.
2 Q9NCC3 (/IMP) Q9NCC3 (/IMP)
Cellular response to hypoxia GO:0071456
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 lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
2 Q9NCC3 (/IMP) Q9NCC3 (/IMP)
Presynaptic active zone organization GO:1990709
A process that results in the assembly, arrangement of constituent parts, or disassembly of a presynaptic active zone.
2 Q9NCC3 (/IMP) Q9NCC3 (/IMP)

There are 7 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
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.
2 Q9NCC3 (/IDA) Q9NCC3 (/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.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
Presynaptic membrane GO:0042734
A specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
Terminal bouton GO:0043195
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
Subsynaptic reticulum GO:0071212
An elaborate tubulolamellar membrane system that underlies the postsynaptic cell membrane.
2 Q9NCC3 (/IDA) Q9NCC3 (/IDA)
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