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WD repeat domain phosphoinositide-interacting protein 1 (WIPI) is involved in the lysosomal degradation of cytoplasmic components during starvation-induced autophagy. WIPI1 is a seven bladed beta-propeller protein that provides a scaffold for the assembly of multimeric protein complexes (1). During the assembly of the autophagosome WIPI1 interacts with the lipid phosphatidylinositol-3...

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VPS34, vacuolar protein sorting 34, is the only identified Class III phosphoinositide-3 kinase (PI3K) in mammals and is ubiquitously expressed in all eukaryotic cells. VPS34 is a 100 kDa protein responsible for phosphorylating phosphatidylinositol to produce phosphatidylinositol 3-phosphate (PI3P). PI3P is an important intermediate in the development of the double-membraned autophagosome...

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