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SMAD3 transcription factor phosphorylated and activated by TGF-beta-type receptors. A receptor-regulated Smad (R-smad). Binds directly to consensus DNA-binding elements in the promoters of target genes. In mouse required for establishemnt of the mucosal immune response and proper development of skeleton. Note: This description may include information from UniProtKB.
Protein type: DNA-binding; Nuclear receptor co-regulator; Transcription factor
Chromosomal Location of Human Ortholog: 9|9 C
Cellular Component: cytoplasm; cytosol; nuclear chromatin; nuclear inner membrane; nucleoplasm; nucleus; plasma membrane; protein complex; receptor complex; transcription factor complex
Molecular Function: beta-catenin binding; bHLH transcription factor binding; chromatin binding; chromatin DNA binding; collagen binding; DEAD/H-box RNA helicase binding; DNA binding; double-stranded DNA binding; enzyme binding; glucocorticoid receptor binding; identical protein binding; mineralocorticoid receptor binding; phosphatase binding; protein binding; protein heterodimerization activity; protein homodimerization activity; protein kinase binding; sequence-specific DNA binding; SMAD binding; transcription factor activity; transcription factor binding; transforming growth factor beta receptor binding; transforming growth factor beta receptor, pathway-specific cytoplasmic mediator activity; ubiquitin binding; ubiquitin protein ligase binding; zinc ion binding
Biological Process: activin receptor signaling pathway; caspase activation; cell cycle arrest; developmental growth; embryonic cranial skeleton morphogenesis; embryonic foregut morphogenesis; embryonic pattern specification; endoderm development; evasion of host defenses by virus; gastrulation; heart looping; immune response; immune system development; in utero embryonic development; intercellular junction assembly and maintenance; liver development; mesoderm formation; negative regulation of apoptosis; negative regulation of cell growth; negative regulation of cell proliferation; negative regulation of fat cell differentiation; negative regulation of inflammatory response; negative regulation of mitotic cell cycle; negative regulation of osteoblast differentiation; negative regulation of osteoblast proliferation; negative regulation of protein catabolic process; negative regulation of transcription from RNA polymerase II promoter; osteoblast development; osteoblast differentiation; paraxial mesoderm morphogenesis; pericardium development; positive regulation of bone mineralization; positive regulation of cell migration; positive regulation of chondrocyte differentiation; positive regulation of focal adhesion formation; positive regulation of interleukin-1 beta production; positive regulation of nitric oxide biosynthetic process; positive regulation of positive chemotaxis; positive regulation of stress fiber formation; positive regulation of transcription factor import into nucleus; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; positive regulation of transforming growth factor-beta3 production; protein stabilization; reduction of cytosolic calcium ion concentration; regulation of binding; regulation of epithelial cell proliferation; regulation of immune response; regulation of striated muscle development; regulation of transcription from RNA polymerase II promoter; regulation of transforming growth factor beta receptor signaling pathway; regulation of transforming growth factor-beta2 production; response to hypoxia; skeletal development; SMAD protein complex assembly; somitogenesis; T cell activation; thyroid gland development; transcription from RNA polymerase II promoter; transforming growth factor beta receptor signaling pathway; transport; ureteric bud development; Wnt receptor signaling pathway through beta-catenin
Reference #:  Q8BUN5 (UniProtKB)
Alt. Names/Synonyms: AU022421; MAD homolog 3; MAD homolog 3 (Drosophila); Mad3; Madh3; mMad3; Mothers against decapentaplegic homolog 3; Mothers against DPP homolog 3; OTTMUSP00000023917; SMAD 3; SMAD family member 3; Smad3
Gene Symbols: Smad3
Molecular weight: 48,081 Da
Basal Isoelectric point: 6.73  Predict pI for various phosphorylation states
CST Pathways:  Angiogenesis  |  ESC Pluripotency and Differentiation  |  G1/S Checkpoint  |  TGF-ß Signaling
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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