the various proteins comprising the cytoskeleton include actin in microfilaments , tubulin in microtubules , and the heterogeneous group of intermediate filament proteins that are associated with different cell types ( keratin in epithelial cells , vimentin in fibroblasts , desmin in muscle cells , glial filament protein in glial cells , and the neurofilament protein subunits in neural tissue ) .
C0010853
cytoskeleton
C0027834
neurofilament