GABARAP

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Lua error in Module:Infobox_gene at line 33: attempt to index field 'wikibase' (a nil value). Gamma-aminobutyric acid receptor-associated protein is a protein that in humans is encoded by the GABARAP gene.[1]

Function

Gamma-aminobutyric acid A receptors [GABA(A) receptors] are ligand-gated chloride channels that mediate inhibitory neurotransmission. This gene encodes GABA(A) receptor-associated protein, which is highly positively charged in its N-terminus and shares sequence similarity with light chain-3 of microtubule-associated proteins 1A and 1B. This protein clusters neurotransmitter receptors by mediating interaction with the cytoskeleton.[2]

Moreover, GABARAP has a important function in autophagosome mediated autophagy, since it is crucial for autophagosome formation and sequestration of cytosolic cargo into double-membrane vesicles, leading to subsequent degradation after fusion with lysosomes.[3] In addition, GABARAP can mediated selective autophagy because it binds to so-called autophagic receptors (e.g. p62, NBr1), which bind and recruit specific cargo.

Interactions

GABARAP has been shown to interact with TFRC,[4] ULK1[5][6] and GABRG2.[1][7][8]

References

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Further reading

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