Lectins of the Emp47/ERGIC-53 family target misfolded O-mannosylated ER proteins to ER-associated degradation
Lectins of the Emp47/ERGIC-53 family target misfolded O-mannosylated ER proteins to ER-associated degradation
Lemus et al. identify a pathway for the targeting of misfolded O-mannosylated proteins to ERAD in yeast. They show Emp47/ERGIC-53 family lectins link Pbn1-Gpi14-dependent protein O-mannosylation to Hrd1-mediated degradation, revealing an alternative route for eliminating misfolded proteins that complements classical N-glycan-dependent degradation mechanisms in cells.
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