. . . . . . . . . . . . . . . . . "kin(p(HGNC:BMPR1A)) -> tscript(p(HGNC:SMAD5))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "BMP receptors activate Smad1, Smad5, and Smad8 (called BR-Smads in this review) whereas Smad2 and Smad3 are phosphorylated by the activin of Tgfbeta recepetors ALK3 and ALK6 can activate all three BR-Smads but ALK2 only phophorylates SMAD1 and SMAD5" . . "Selventa" . . . . "2014-07-03T14:30:13.824+02:00"^^ . . .