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- W3119925059 endingPage "707" @default.
- W3119925059 startingPage "681" @default.
- W3119925059 abstract "Located at the inner leaflet of the plasma membrane (PM), phosphatidyl-inositol 4,5-bisphosphate [PI(4,5)P2] composes only 1-2 mol% of total PM lipids. With its synthesis and turnover both spatially and temporally regulated, PI(4,5)P2 recruits and interacts with hundreds of cellular proteins to support a broad spectrum of cellular functions. Several factors contribute to the versatile and dynamic distribution of PI(4,5)P2 in membranes. Physiological multivalent cations such as Ca2+ and Mg2+ can bridge between PI(4,5)P2 headgroups, forming nanoscopic PI(4,5)P2-cation clusters. The distinct lipid environment surrounding PI(4,5)P2 affects the degree of PI(4,5)P2 clustering. In addition, diverse cellular proteins interacting with PI(4,5)P2 can further regulate PI(4,5)P2 lateral distribution and accessibility. This review summarizes the current understanding of PI(4,5)P2 behavior in both cells and model membranes, with emphasis on both multivalent cation- and protein-induced PI(4,5)P2 clustering. Understanding the nature of spatially separated pools of PI(4,5)P2 is fundamental to cell biology." @default.
- W3119925059 created "2021-01-18" @default.
- W3119925059 creator A5018878185 @default.
- W3119925059 creator A5063759089 @default.
- W3119925059 creator A5088660634 @default.
- W3119925059 date "2021-06-20" @default.
- W3119925059 modified "2023-10-16" @default.
- W3119925059 title "PI(4,5)P<sub>2</sub> Clustering and Its Impact on Biological Functions" @default.
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