SNX2 (sorting nexin 2) is a member of cytoplasmic and membrane proteins called SNXs. This protein is expressed in thyroid in the columnar and active follicular cells. It contains the PX (phox homology) domain, found in all SNX members, which binds to phosphatidylinositol 3-phosphate (PI3P). It also contains a BAR domain adjacent to its PX domain, towards the C-terminal. It is thought to form a dimer with other SNX member proteins, which in turn make a part of the heteropentameric complex called retromer. SNX2 also contains a coiled-coil domain in its C-terminal. It is a homologue of vacuolar protein-sorting (Vps)5p found in yeast. It has a molecular weight of ~68kDa.
Anti-SNX2 antibody produced in chicken is suitable for western blotting analysis at a dilution of 1:500, for tissue or cell staining at a dilution of 1:200.
Acciones bioquímicas o fisiológicas
Sorting nexin-2 (SNX2) acts as a novel marker for active thyrocytes and reflects the endosomal trafficking activity in these cells. It forms a component of the mammalian retromer complex that functions in the retrieval of the cation-independent mannose 6-phosphate receptor from endosomes to the trans-Golgi network. It is involved, though not necessary, in the lysosomal sorting of EGFR (epidermal growth factor receptor), which is internalized. Mouse embryos with inactivated SNX2 gene die mid-gestation. This study suggests that SNX2 is essential during developmental processes.
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Solution in phosphate buffered saline containing 0.02% sodium azide.
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Sorting nexins (SNXs) are a large, diverse group of cytoplasmic and membrane-associated proteins that function in a variety of cellular processes, including endocytosis, protein trafficking, and the retrieval of transmembrane proteins. In this study, we demonstrated that SNX2 is expressed
Journal of cell science, 118(Pt 19), 4527-4539 (2005-09-24)
Sorting nexins are a large family of phox-homology-domain-containing proteins that have been implicated in the control of endosomal sorting. Sorting nexin-1 is a component of the mammalian retromer complex that regulates retrieval of the cation-independent mannose 6-phosphate receptor from endosomes
Current opinion in cell biology, 20(4), 427-436 (2008-05-13)
The retromer is a heteropentameric complex that associates with the cytosolic face of endosomes and mediates retrograde transport of transmembrane cargo from endosomes to the trans-Golgi network. The mammalian retromer complex comprises a sorting nexin dimer composed of a still
Molecular biology of the cell, 15(5), 2143-2155 (2004-02-24)
Sorting nexin 1 (SNX1) and SNX2, homologues of the yeast vacuolar protein-sorting (Vps)5p, contain a phospholipid-binding motif termed the phox homology (PX) domain and a carboxyl terminal coiled-coil region. A role for SNX1 in trafficking of cell surface receptors from
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