Definition of tubulin in English:


Line breaks: tubu|lin
Pronunciation: /ˈtjuːbjʊlɪn


[mass noun] Biochemistry
  • A protein that is the main constituent of the microtubules of living cells.
    More example sentences
    • In addition to actin, other filamentous systems in cells include tubulin, collagen, and DNA.
    • The basic structural subunit of microtubules is the protein tubulin.
    • We also detected increases in fragments of intracellular structural proteins: tubulin, actin, and myosin.


1960s: from tubule + -in1.

More definitions of tubulin

Definition of tubulin in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
a slit made by cutting with a saw