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Trends Cell Biol. 2006 Jun;16(6):317-26. Epub 2006 May 22.

Endosomal and non-endosomal functions of ESCRT proteins.

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Department of Biochemistry, the Norwegian Radium Hospital and the University of Oslo, Montebello, N-0310 Oslo, Norway.


The three endosomal sorting complexes required for transport (ESCRTs) are integral to the degradation of endocytosed membrane proteins and multivesicular body (MVB) biogenesis. Here, we review evidence that ESCRTs have evolved as a specialized machinery for the degradative sorting of ubiquitinated membrane proteins and we highlight recent studies that have shed light on the mechanisms by which these complexes mediate protein sorting, MVB biogenesis, tumour suppression and viral budding. We also discuss evidence that some ESCRT subunits have evolved additional functions that are unrelated to membrane trafficking.

[Indexed for MEDLINE]

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