Not a monomeric intermediate filament:
Vimentin
Keratin
Tubulin
Desmin
Filamentous protein - Are of 3 types based on their diameter. Diameter Microfilaments Intermediate filaments Microtubules <8 nm 8 - 25 nm >25 nm Function Involved in contractility Provide structural suppo Involved in motility (beating of cilia, flagella) Examples Actin Vimentin, keratin, Desmin. Tubulin (a & b tubulin constitutes microtubules)