A vesicle-mediated transport process in which transmembrane proteins are ubiquitylated to facilitate their entry into luminal vesicles of multivesicular bodies (MVBs); upon subsequent fusion of MVBs with lysosomes or vacuoles, the cargo proteins are degraded. [ http://www.ncbi.nlm.nih.gov/pubmed/17603537 GOC:mah ]
This is just here as a test because I lose it