The chemical reactions and pathways resulting in the breakdown of misfolded proteins in the cytoplasm, which are targeted to cytoplasmic proteasomes for degradation.
Comment:
See also the biological process terms 'unfolded protein response ; GO:0030968' and 'retrograde protein transport, ER to cytosol ; GO:0030970'.
Synonyms:
exact_synonym:
cytoplasm-associated proteasomal ubiquitin-dependent protein breakdown; cytoplasm-associated proteasomal ubiquitin-dependent protein catabolism; cytoplasm-associated proteasomal ubiquitin-dependent protein degradation; ubiquitin-dependent catabolism of misfolded proteins by cytoplasm-associated proteasome