SirReal2 selectively inhibits Sirt2 via a Sirt2-specific amino acid network, and induces a tubulin hyperacetylation and a significant depletion of BubR1 in HeLa cells.
In vivo
In vivo, SirReal2 inhibits Sirt2 activity without affecting the activity of the other Class-I sirtuins Sirt1 and Sirt3.