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Three-dimensional architecture of ATG8 family members. The structure of LC3B is showed as an example. ATG8 proteins are ubiquitin-like protein, characterized by two α-helices at the N-terminal followed by a ubiquitin-like core. The structure of LC3B [PDB entry: 1V49 (Kouno et al., 2005)] is shown as cartoon and surface, using a color gradient from the N-terminal (green) to the C-terminal (dark blue).
