a protein in cells that polymerizes to form tiny tubules that are important in forming microtubules
tubulin in American English
(ˈtuːbjəlɪn, ˈtjuː-)
noun
Biochemistry
either of two globular proteins that form the structural subunits of microtubules
Word origin
[1965–70; tubule + -in2]This word is first recorded in the period 1965–70. Other words that entered Englishat around the same time include: Finlandization, double-book, no-fault, red-eye, wraparound-in is a noun suffix used in a special manner in chemical and mineralogical nomenclature(glycerin; acetin, etc.). In spelling, usage wavers between -in and -ine. In chemistry a certain distinction of use is attempted, basic substances havingthe termination -ine rather than -in (aconitine; aniline, etc.), and -in being restricted to certain neutral compounds, glycerides, glucosides, and proteids(albumin; palmitin, etc.), but this distinction is not always observed
Examples of 'tubulin' in a sentence
tubulin
The 25 nm tubes consist of dimerica- and b-tubulin subunits that share about 40 percentsequence homology.