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Review
. 2017 Apr:43:10-17.
doi: 10.1016/j.sbi.2016.09.010. Epub 2016 Oct 7.

Structural biology of the core autophagy machinery

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Free article
Review

Structural biology of the core autophagy machinery

Hironori Suzuki et al. Curr Opin Struct Biol. 2017 Apr.
Free article

Abstract

In autophagy, which is an intracellular degradation system that is conserved among eukaryotes, degradation targets are sequestered through the de novo synthesis of a double-membrane organelle, the autophagosome, which delivers them to the lysosomes for degradation. The core autophagy machinery comprising 18 autophagy-related (Atg) proteins in yeast plays an essential role in autophagosome formation; however, the molecular role of each Atg factor and the mechanism of autophagosome formation remain elusive. Recent years have seen remarkable progress in structural biological studies on the core autophagy machinery, opening new avenues for autophagy research. This review summarizes recent advances in structural biological and mechanistic studies on the core autophagy machinery and discusses the molecular mechanisms of autophagosome formation.

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