Open AccessThe Secret Life of Smad4
Author(s) -
Jeffrey L. Wrana
Publication year - 2009
Publication title -
cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 26.304
H-Index - 776
eISSN - 1097-4172
pISSN - 0092-8674
DOI - 10.1016/j.cell.2008.12.028
Subject(s) - biology , phosphorylation , ubiquitin , mediator , microbiology and biotechnology , subject (documents) , genetics , gene , library science , computer science
Smad4 is an important mediator of signaling by TGFbeta family members that is presumed to be controlled by the phosphorylation status of its partners, the receptor-regulated R-Smads. In this issue, Dupont et al. (2009) now reveal that Smad4 itself is subject to cycles of ubiquitination and deubiquitination that regulate its interactions with the R-Smads.
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