Article
Smurf1-mediated Lys29-linked nonproteolytic polyubiquitination of axin negatively regulates Wnt/β-catenin signaling.
Molecular and cellular biology - 1 Oct 2013
Fei Cong, Li Zhenfei, Li Chen, Chen Yuelei, Chen Zhangcheng, He Xiaoli, Mao Li, Wang Xin, Zeng Rong, Li Lin
Abstract excerpt
Ubiquitination plays important and diverse roles in modulating protein functions. As a C2-WW-HECT-type ubiquitin ligase, Smad ubiquitination regulatory factor 1 (Smurf1) commonly serves to regulate ubiquitin-dependent protein degradation in a number of signaling pathways. Here, we report a novel function of Smurf1 in regulating Wnt/β-catenin signaling through targeting axin for nonproteolytic ubiquitination. Our...
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