IUBMB Enzyme Nomenclature


Accepted name: α-tubulin N-acetyltransferase

Reaction: acetyl-CoA + [α-tubulin]-L-lysine = CoA + [α-tubulin]-N6-acetyl-L-lysine

Other name(s): ATAT1 (gene name); MEC17 (gene name); α-tubulin acetylase; TAT; α-tubulin acetyltransferase; tubulin N-acetyltransferase (ambiguous); acetyl-CoA:α-tubulin-L-lysine N-acetyltransferase; acetyl-CoA:[α-tubulin]-L-lysine 6-N-acetyltransferase

Systematic name: acetyl-CoA:[α-tubulin]-L-lysine N6-acetyltransferase

Comments: The enzyme is conserved from protists to mammals and is present in flowering plants. In most organisms it acetylates L-lysine at position 40 of α-tubulin.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 99889-90-4


1. Greer, K., Maruta, H., L'Hernault, S.W. and Rosenbaum, J.L. α-Tubulin acetylase activity in isolated Chlamydomonas flagella. J. Cell Biol. 101 (1985) 2081-2084. [PMID: 4066751]

2. Akella, J.S., Wloga, D., Kim, J., Starostina, N.G., Lyons-Abbott, S., Morrissette, N.S., Dougan, S.T., Kipreos, E.T. and Gaertig, J. MEC-17 is an α-tubulin acetyltransferase. Nature 467 (2010) 218-222. [PMID: 20829795]

3. Shida, T., Cueva, J.G., Xu, Z., Goodman, M.B. and Nachury, M.V. The major α-tubulin K40 acetyltransferase αTAT1 promotes rapid ciliogenesis and efficient mechanosensation. Proc. Natl. Acad. Sci. USA 107 (2010) 21517-21522. [PMID: 21068373]

4. Taschner, M., Vetter, M. and Lorentzen, E. Atomic resolution structure of human α-tubulin acetyltransferase bound to acetyl-CoA. Proc. Natl. Acad. Sci. USA 109 (2012) 19649-19654. [PMID: 23071318]

5. Friedmann, D.R., Aguilar, A., Fan, J., Nachury, M.V. and Marmorstein, R. Structure of the α-tubulin acetyltransferase, αTAT1, and implications for tubulin-specific acetylation. Proc. Natl. Acad. Sci. USA 109 (2012) 19655-19660. [PMID: 23071314]

6. Kalebic, N., Sorrentino, S., Perlas, E., Bolasco, G., Martinez, C. and Heppenstall, P.A. αTAT1 is the major α-tubulin acetyltransferase in mice. Nat. Commun. 4 (2013) 1962. [PMID: 23748901]

[EC created 1989, modified 2021]

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