Microtubules are the largest type of filament, with a diameter of about 25 nanometers (nm), and they are composed of a protein called tubulin. Actin filaments are the smallest type, with a ...

You have full access to this article via your institution. There are several methods for removing MAPs from MTP to produce purified tubulin: using DEAE-Sephadex or phosphocellulose chromatography ...