PEX1:PEX6:PEX26:ZFAND6:Ub:PEX5S,L:PEX14:PEX13:PEX2:PEX10:PEX12 dissociates yielding cytosolic Ub:PEX5S,L and membrane PEX14:PEX13:PEX2:PEX10:PEX12

Stable Identifier
R-HSA-9033505
Type
Reaction [uncertain]
Species
Homo sapiens
Compartment
peroxisomal membrane
ReviewStatus
5/5
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PEX1:PEX6:PEX26:ZFAND6:Ub:PEX5S,L:PEX14:PEX13:PEX2:PEX10:PEX12 dissociates yielding cytosolic Ub:PEX5S,L and membrane PEX14:PEX13:PEX2:PEX10:PEX12
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Ubiquitinated PEX5 isoform S or isoform L (Ub:PEX5S,L) is released from the peroxisomal membrane and interaction with the Docking and Translocation Module by PEX1:PEX6:PEX26:ZFAND6 (the peroxisomal AAA ATPase complex, receptor export module) (Tamura et al. 2014, Law et al. 2017, also inferred from yeast homologs). PEX1 and PEX6 form a cytosolic hexameric ring that is anchored to the peroxisomal membrane by PEX26. Hydrolysis of ATP by PEX1 and PEX6 appears to cause a conformational change in PEX1:PEX6:PEX26:ZFAND6 that releases Ub:PEX5S,L from the peroxisomal membrane and into the cytosol (reviewed in Saffert et al. 2017).
Literature References
PubMed ID Title Journal Year
25016021 AAA peroxins and their recruiter Pex26p modulate the interactions of peroxins involved in peroxisomal protein import

Matsumoto, N, Takeba, R, Tamura, S, Fujiki, Y

J. Biol. Chem. 2014
28521612 The peroxisomal AAA ATPase complex prevents pexophagy and development of peroxisome biogenesis disorders

Law, KB, Di Pietro, E, Moser, A, Jones, RO, Bronte-Tinkew, D, Braverman, N, Kim, PK, Brumell, JH, Snowden, A

Autophagy 2017
21980954 AWP1/ZFAND6 functions in Pex5 export by interacting with cys-monoubiquitinated Pex5 and Pex6 AAA ATPase

Miyata, N, Noguchi, M, Mukai, S, Okumoto, K, Fujiki, Y

Traffic 2012
28611990 Structure and Function of p97 and Pex1/6 Type II AAA+ Complexes

Saffert, P, Wendler, P, Enenkel, C

Front Mol Biosci 2017
9539740 Human PEX1 cloned by functional complementation on a CHO cell mutant is responsible for peroxisome-deficient Zellweger syndrome of complementation group I

Shimozawa, N, Suzuki, Y, Osumi, T, Toyama, R, Tsukamoto, T, Okumoto, K, Fujiki, Y, Kondo, N, Tamura, S

Proc. Natl. Acad. Sci. U.S.A. 1998
Participants
Input
Output
Participates
as an event of
Catalyst Activity

ATPase-coupled transmembrane transporter activity of PEX2:PEX10:PEX12:Ub:PEX5S,L:PEX1:PEX6:PEX26:ZFAND6 [peroxisomal membrane]

Physical Entity
PEX2:PEX10:PEX12:Ub:PEX5S,L:PEX1:PEX6:PEX26:ZFAND6 [peroxisomal membrane] (Homo sapiens)
Activity
ATPase-coupled transmembrane transporter activity (GO:0042626)
Inferred From
PEX1:PEX6:PEX15:Ub:PEX5:PEX14:PEX13:PEX17:PEX1:PEX6:PEX15 dissociates yielding cytosolic Ub:PEX5S,L and membrane PEX14:PEX13:PEX17:PEX1:PEX6:PEX15 (Saccharomyces cerevisiae)
Authored
May, B  (2017-12-20)
Reviewed
Van Veldhoven, PP  (2018-02-13)
Fransen, M  (2018-02-13)
Azevedo, JE  (2018-03-12)
Created
May, B  (2017-12-22)
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