Matches in SemOpenAlex for { <https://semopenalex.org/work/W1915945057> ?p ?o ?g. }
- W1915945057 endingPage "84" @default.
- W1915945057 startingPage "71" @default.
- W1915945057 abstract "A genetic screen for factors required for endocytosis in the budding yeast Saccharomyces cerevisiae previously identified PAN1. Pan1p is a homologue of the mammalian protein eps15, which has been implicated in endocytosis by virtue of its association with the plasma membrane clathrin adaptor complex AP-2. Pan1p contains two eps15 homology (EH) domains, a protein-protein interaction motif also present in other proteins that function in membrane trafficking. To address the role of Pan1p and EH domains in endocytosis, a yeast two-hybrid screen was performed using the EH domain-containing region of Pan1p. This screen identified yAP180A, one of two yeast homologues of a class of clathrin assembly proteins (AP180) that exhibit in vitro clathrin cage assembly activity. In vitro binding studies using GST fusion proteins and yeast extracts defined distinct binding sites on yAP180A for Pan1p and clathrin. yAP180 proteins and Pan1p, like actin, localize to peripheral patches along the plasma membrane. Mammalian synaptojanin, a phosphatidylinositol polyphosphate-5-phosphatase, also has been implicated in endocytosis recently, and three synaptojanin-like genes have been identified in yeast. We observed genetic interactions between the yeast SJL1 gene and PAN1, which suggest a role for phosphoinositide metabolites in Pan1p function. Together with other studies, these findings suggest that Pan1p coordinates regulatory interactions between proteins required for both endocytosis and actin-cytoskeleton organization; these proteins include the yAP180 proteins, clathrin, the ubiquitin-protein ligase Rsp5p, End3p, and synaptojanin. We suggest that Pan1p (and by extension eps15) serves as a multivalent adaptor around which dynamic interactions between structural and regulatory components of the endocytic pathway converge." @default.
- W1915945057 created "2016-06-24" @default.
- W1915945057 creator A5025638265 @default.
- W1915945057 creator A5076724155 @default.
- W1915945057 date "1998-04-06" @default.
- W1915945057 modified "2023-10-15" @default.
- W1915945057 title "Pan1p, Yeast eps15, Functions as a Multivalent Adaptor That Coordinates Protein–Protein Interactions Essential for Endocytosis" @default.
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