Tubulin and Microtubules
Linda A Amos, Medical Research Council, Cambridge, UK
Published online: May 2005
The protein tubulin is the principal constituent of microtubules, whose dynamic behaviour allows them to perform a vital role
in various forms of cell motility. Found in almost all types of eukaryotic cell, microtubules are an essential component of
cell division, provide tracks for the transport of cellular organelles and vesicles and are responsible for the relative positioning
of cellular compartments.
Keywords: dynamic instability; motility; microtubule lattices; GTP hydrolysis
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