FUNCTION: Functions as a negative regulator of TGF-beta signaling and thereby probably plays a role in cell proliferation, differentiation, apoptosis, motility, extracellular matrix production and immunosuppression. In the canonical TGF-beta pathway, ZFYVE9/SARA recruits the intracellular signal tra...
FUNCTION: Functions as a negative regulator of TGF-beta signaling and thereby probably plays a role in cell proliferation, differentiation, apoptosis, motility, extracellular matrix production and immunosuppression. In the canonical TGF-beta pathway, ZFYVE9/SARA recruits the intracellular signal transducer and transcriptional modulators SMAD2 and SMAD3 to the TGF-beta receptor. Phosphorylated by the receptor, SMAD2 and SMAD3 then form a heteromeric complex with SMAD4 that translocates to the nucleus to regulate transcription. Through interaction with SMAD2 and SMAD3, LDLRAD4 may compete with ZFYVE9 and SMAD4 and prevent propagation of the intracellular signal (PubMed:20129061, PubMed:24627487). Also involved in down-regulation of the androgen receptor (AR), enhancing ubiquitination and proteasome-mediated degradation of AR, probably by recruiting NEDD4 (PubMed:18703514). {ECO:0000269|PubMed:18703514, ECO:0000269|PubMed:20129061, ECO:0000269|PubMed:24627487}.
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GO - Biological processes (BP):
androgen receptor signaling pathway [GO:0030521]; negative regulation of pathway-restricted SMAD protein phosphorylation [GO:0060394]; negative regulation of SMAD protein complex assembly [GO:0010991]; negative regulation of transforming growth factor beta receptor signaling pathway [GO:0030512]...
androgen receptor signaling pathway [GO:0030521]; negative regulation of pathway-restricted SMAD protein phosphorylation [GO:0060394]; negative regulation of SMAD protein complex assembly [GO:0010991]; negative regulation of transforming growth factor beta receptor signaling pathway [GO:0030512]
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GO - Molecular function (MF):
R-SMAD binding [GO:0070412]; WW domain binding [GO:0050699]...
R-SMAD binding [GO:0070412]; WW domain binding [GO:0050699]
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GO - Cellular component (CC):
early endosome membrane [GO:0031901]; endosome membrane [GO:0010008]; Golgi membrane [GO:0000139]; integral component of membrane [GO:0016021]; intracellular membrane-bounded organelle [GO:0043231]; plasma membrane [GO:0005886]...
early endosome membrane [GO:0031901]; endosome membrane [GO:0010008]; Golgi membrane [GO:0000139]; integral component of membrane [GO:0016021]; intracellular membrane-bounded organelle [GO:0043231]; plasma membrane [GO:0005886]
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