Protein phosphatase 2A (B55alpha) prevents premature activation of forkhead transcription factor FoxM1 by antagonizing cyclin A/cyclin-dependent kinase-mediated phosphorylation - Alvarez-Fernandez, M; Halim, V A; Aprelia, M; Laoukili, J; Mohammed, S; Medema, R H (J Biol Chem, 2011)