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Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Jul 1;66(Pt 7):787-90. doi: 10.1107/S1744309110018464. Epub 2010 Jun 23.

Structure of autophagy-related protein Atg8 from the silkworm Bombyx mori.

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  • 1Hefei National Laboratory for Physical Sciences at Microscale and School of Life Sciences, University of Science and Technology of China, People's Republic of China.


Autophagy-related protein Atg8 is ubiquitous in all eukaryotes. It is involved in the Atg8-PE ubiquitin-like conjugation system, which is essential for autophagosome formation. The structures of Atg8 from different species are very similar and share a ubiquitin-fold domain at the C-terminus. In the 2.40 A crystal structure of Atg8 from the silkworm Bombyx mori reported here, the ubiquitin fold at the C-terminus is preceded by two additional helices at the N-terminus.

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