noun

• A protein that is the main constituent of the microtubules of living cells.

  ‘In addition to actin, other filamentous systems in cells include tubulin, collagen, and DNA.’

  More example sentences

  • ‘The basic structural subunit of microtubules is the protein tubulin.’
  • ‘We also detected increases in fragments of intracellular structural proteins: tubulin, actin, and myosin.’
  • ‘Linear structures formed by proteins such as actin and tubulin are reversible and highly dynamic.’
  • ‘Taxotere works by inhibiting tubulin, a protein essential to cell division, thus preventing cancer cells from dividing and growing in number.’