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

"The scale of the study, with many species characterized in each group, opens up the possibility to make evolutionary predictions. For instance, dinoflagellates, one of the most diverse groups found in oceans across the planet, are well-represented in our study. We were able to map the presence of tubulin and centrin structures associated with the cell cortex or the flagella in these species."

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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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