. "Reviewed: Huang, Tao, 2012-05-14"^^ . "Edited: Jassal, B, 2012-04-10"^^ . "In the nucleus, protein type 2C phosphatase, PPM1A, dephosphorylates SMAD2 and SMAD3, resulting in dissociation of SMAD2/3:SMAD4 heterotrimeric complexes."^^ . "Authored: Williams, MG, 2007-03-22 16:49:12"^^ . . . . . . "PPM1A dephosphorylates nuclear SMAD2/3"^^ . . . . . . . . . .