title: Posttranslational Modifications of TGF-β Receptors.
abstract: TGF-β is a prototype of the TGF-β cytokine superfamily and exerts multiple regulatory effects on cell activities. It signals through two types of membrane-bound serine/threonine kinase receptors. Upon TGF-β binding, the type II receptor TβRII recruits the type I receptor TβRI and form a functional heterocomplex. TβRII trans-phosphorylates the GS region of TβRI, thus triggering its kinase activity. Activated TβRI proceeds to activate downstream Smad2/3. Signal intensity and duration through the availability, activity and destiny of TGF-β receptors are finely controlled by multiple posttranslational modifications such as phosphorylation, ubiquitination, and neddylation. This chapter introduces methods for examination of these modifications of TGF-β receptors.
authors.affiliation: State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
authors.forename: Xiaohua
authors.initials: X
authors.lastname: Yan
authors.affiliation: State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China. ygchen@tsinghua.edu.cn.
authors.forename: Ye-Guang
authors.initials: YG
authors.lastname: Chen
mesh_terms: D000818:Animals; D002460:Cell Line; D006801:Humans; D010766:Phosphorylation; D011499:Protein Processing, Post-Translational; D017346:Protein Serine-Threonine Kinases / Q000235:genetics / Q000378:metabolism; D000077293:Receptor, Transforming Growth Factor-beta Type I; D000077294:Receptor, Transforming Growth Factor-beta Type II; D018125:Receptors, Transforming Growth Factor beta / Q000235:genetics / Q000378:metabolism*; D054875:Ubiquitination
chemical_list: D018125:Receptors, Transforming Growth Factor beta; D017346:Protein Serine-Threonine Kinases; D000077293:Receptor, Transforming Growth Factor-beta Type I; D000077294:Receptor, Transforming Growth Factor-beta Type II
keywords: Modification; Neddylation; Phosphorylation; TGF-β receptor; TβRI; TβRII; Ubiquitination