tubulin

[too-byuh-lin, tyoo-]

noun

Biochemistry.

1. either of two globular proteins that form the structural subunits of microtubules.

Word History and Origins

Origin of tubulin¹

First recorded in 1965–70; tubule + -in ²

Example Sentences

Enzymes called DNA damage response kinases and tubulin acetyltransferase are the master regulators of the process, and promote the formation of the tubules.

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Inside cells, tubulin proteins form long, and incredibly thin rods called microtubules.

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Closed-ended TNTs are mainly formed from a network of the structural protein actin, but lack another structural protein, tubulin9 — and the authors found actin, but not tubulin, in their IP-TNTs.

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She adds that her team is finding more than collagen: It has recovered sequences from eight proteins isolated from what appear to be blood vessels, all matching common vessel proteins such as actin, tubulin, and hemoglobin.

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“I was looking for something that evoked tubulin—so, the Greek letter for T—and I wanted a name that didn’t presuppose that I understood at that time exactly how it worked,” he said.

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