Phosphatidylinositol (3,5)-bisphosphate (PtdIns(3,5)P2) is a minor phospholipid component of cell membranes, yet important in distinguishing cell compartments. The generation of PtdIns(3,5)P2 in internal membranes by the lipid kinase PIKfyve recruits a number of important proteins involved in regulating intracellular trafficking.
- Michell RH, Heath VL, Lemmon MA, Dove SK. (2006) Phosphatidylinositol 3,5-bisphosphate: metabolism and cellular functions. Trends Biochem Sci. 31(1):52-63. 
- phosphatidylinositol+3,5-bisphosphate at the US National Library of Medicine Medical Subject Headings (MeSH)
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