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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Acts as component of the retromer cargo-selective complex (CSC). The CSC is believed to be the core functional component of retromer or respective retromer complex variants acting to prevent missorting of selected transmembrane cargo proteins into the lysosomal degradation pathway. The recruitment of the CSC to the endosomal membrane involves RAB7A and SNX3. The SNX-BAR retromer mediates retrograde transport of cargo proteins from endosomes to the trans-Golgi network (TGN) and is involved in endosome-to-plasma membrane transport for cargo protein recycling. The SNX3-retromer mediates the retrograde endosome-to-TGN transport of WLS distinct from the SNX-BAR retromer pathway. The SNX27-retromer is believed to be involved in endosome-to-plasma membrane trafficking and recycling of a broad spectrum of cargo proteins. The CSC seems to act as recruitment hub for other proteins, such as the WASH complex and TBC1D5. Required for retrograde transport of lysosomal enzyme receptor IGF2R. Required to regulate transcytosis of the polymeric immunoglobulin receptor (pIgR-pIgA). Required for the endosomal localization of WASHC2A (indicative for the WASH complex). Required for the endosomal localization of TBC1D5. Mediates retromer cargo recognition of SORL1 and is involved in trafficking of SORL1 implicated in sorting and processing of APP. Involved in retromer-independent lysosomal sorting of F2R. Involved in recycling of ADRB2. Enhances the affinity of SNX27 for PDZ-binding motifs in cargo proteins.
基因功能參考文獻(xiàn):
The retromer complex is a highly conserved membrane trafficking assembly composed of three proteins - Vps26, Vps29 and Vps35, which are impaired in neurodegenerative diseases. (Review) PMID: 26965691
Mutagenesis studies coupled with coimmunoprecipitations revealed that retromer-mediated trafficking requires the Env cytoplasmic tail that we show binds directly to retromer components Vps35 and Vps26. PMID: 25393110
This study demonstrated that Genetic variability of VPS26A in parkinsonism. PMID: 25475142
Mutations in the gene composing the retromer cargo recognition subunit are not a common cause of Parkinson's disease. PMID: 24684791
Mutations in VPS26A are not a frequent cause of Parkinson's disease. PMID: 24417787
VPS26A binding increases the affinity of the SNX27 PDZ domain for PDZ- binding motifs by an order of magnitude, revealing cooperativity in cargo selection. PMID: 25136126
Rabankyrin-5 interacts with EHD1 and Vps26 to regulate endocytic trafficking and retromer function PMID: 22284051
Colocalization of Vps26 paralogues with different endosomally located Rab proteins shows prolonged association of Vps26B-retromer with maturing endosomes relative to Vps26A-retromer. PMID: 21920005
These observations indicate that the mammalian retromer complex assembles by sequential association of SNX1/2 and Vps26-Vps29-Vps35 subcomplexes on endosomal membranes and that SNX1 and SNX2 play interchangeable but essential roles. PMID: 17101778
Membrane recruitment of the cargo-selective retromer subcomplex VPS35/29/26 is catalysed by the small GTPase Rab7 and inhibited by the Rab-GAP TBC1D5. PMID: 19531583
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亞細(xì)胞定位:
Cytoplasm. Endosome membrane; Peripheral membrane protein. Early endosome.