Biochemical and structural aspects of transiently and stably expressed mutant desmin in vimentin-free and vimentin-containing cells.

Abstract excerpt

Using immunoelectron microscopy it is demonstrated that desmin subunits missing their complete carboxy-terminal domain are incapable of homopolymeric filament formation in vivo. Furthermore it is shown that, in vimentin-containing cells, desmin integrates into preexisting vimentin filaments resulting in desmin/vimentin heteropolymers. Removal of the amino-terminal or both nonhelical end domains of desmin...

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