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. 2010 Dec 6;107(50):21238–21239. doi: 10.1073/pnas.1016396108

Fig. 1.

Fig. 1.

Acetylation of α-tubulin by the tubulin acetyltransferase αTAT/MEC-17 emerged in the ancestral eukaryote, likely to promote cilium formation and stability. Additional functions evolved in metazoans, including neuronal roles in touch sensation. Tubulin acetylation is countered by the deacetylases HDAC6 and SIRT2.