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Smad3 | Mothers against decapentaplegic homolog 3; Receptor-regulated SMAD (R-SMAD) that is an intracellular signal transducer and transcriptional modulator activated by TGF-beta (transforming growth factor) and activin type 1 receptor kinases. Binds the TRE element in the promoter region of many genes that are regulated by TGF-beta and, on formation of the SMAD3/SMAD4 complex, activates transcription. Also can form a SMAD3/SMAD4/JUN/FOS complex at the AP- 1/SMAD site to regulate TGF-beta-mediated transcription. Has an inhibitory effect on wound healing probably by modulating both growth and m [...] (425 aa) | ||||
Trib1 | Tribbles homolog 1; Adapter protein involved in protein degradation by interacting with COP1 ubiquitin ligase. Promotes CEBPA degradation and inhibits its function. Controls macrophage, eosinophil and neutrophil differentiation via the COP1-binding domain. Regulates myeloid cell differentiation by altering the expression of CEBPA in a COP1-dependent manner. Interacts with MAPK kinases and regulates activation of MAP kinases, but has no kinase activity (By similarity). Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. Tribbles subfamily. (372 aa) |