Article
Transmembrane helix hydrophobicity is an energetic barrier during the retrotranslocation of integral membrane ERAD substrates.
Molecular biology of the cell - 15 Jul 2017
Guerriero Christopher J, Reutter Karl-Richard, Augustine Andrew A, Preston G Michael, Weiberth Kurt F, Mackie Timothy D, Cleveland-Rubeor Hillary C, Bethel Neville P, Callenberg Keith M, Nakatsukasa Kunio, Grabe Michael, Brodsky Jeffrey L
Abstract excerpt
Integral membrane proteins fold inefficiently and are susceptible to turnover via the endoplasmic reticulum-associated degradation (ERAD) pathway. During ERAD, misfolded proteins are recognized by molecular chaperones, polyubiquitinated, and retrotranslocated to the cytoplasm for proteasomal degradation. Although many aspects of this pathway are defined, how transmembrane helices (TMHs) are removed from the...
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