. "Reviewed: Huang, Tao, 2012-05-14"^^ . "Authored: Orlic-Milacic, M, 2012-04-04"^^ . "Edited: Jassal, B, 2012-04-10"^^ . "PMEPA1 binds phosphorylated SMAD2 and SMAD3, preventing formation of SMAD2/3:SMAD4 heterotrimers (Watanabe et al. 2010)."^^ . . . . . . "PMEPA1 sequesters phosphorylated SMAD2/3"^^ . . . . . .