- Methylation of a histone mimic within the histone methyltransferase G9a regulates protein complex assembly. Sampath, S.C., Marazzi, I., Yap, K.L., Sampath, S.C., Krutchinsky, A.N., Mecklenbräuker, I., Viale, A., Rudensky, E., Zhou, M.M., Chait, B.T., Tarakhovsky, A. Mol. Cell (2007)