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Tubulin

The tubulin family of proteins are vital components of the eukaryotic cytoskeleton and are the main constituent of microtubules in living cells. The tubulin proteins α- and β polymerize into long chains or filaments that form microtubules, an essential element of the eukaryotic cytoskeleton. These microtubules play a crucial role in cell support and cell movement, making tubulin imperative to normal cell function.