We have previously shown that the alpha-tubulin of Chlamydomonas flagella is synthesized as a precursor which is modified by acetylation in the flagellum during flagellar assembly. In this report, we show the presence of an alpha-tubulin acetylase activity in isolated Chlamydomonas flagella that is highly specific for alpha-tubulin of both mammalian brain and Chlamydomonas.

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