Journal
BIOLOGICAL & PHARMACEUTICAL BULLETIN
Volume 30, Issue 9, Pages 1599-1604Publisher
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.30.1599
Keywords
phosphomositide; signal transduction; lipid kinase; lipid phosphatase; Fab1p-YOPB-Vps27p-EEA1 (FYVE) domain; pleckstrin homology domain
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Phosphoinositides are a family of phosphorylated derivatives of the membrane lipid phosphatidylinositol. These lipids are highly concentrated in distinct pools located in a cell's plasma membrane, endosomes or nucleus, where they function as ligands for p hosph o i nositide-bin ding proteins. Protein domains that bind phosphoinositides include the pleckstrin homology (PH) domain, the phox homology (PX) domain and the Fab1pYOPB-Vps27p-EEA1 (FYVE) domain. These domains are found in many proteins involved in intracellular signaling, membrane trafficking and cytoskeletal rearrangement. Recent studies have identified potential links between alterations to various signaling pathways involving phosphoinositides and the etiology of many human diseases.
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