The members of Smad family of proteins are essential intracellular mediators of TGF-β signaling.
Immunogen
Synthetic peptide directed towards the N terminal region of human SMAD3
Application
Anti-SMAD3 antibody produced in rabbit is suitable for western blotting at a concentration of 2 μg/ml. For immunohistochemistry of paraffin-embedded tissue sections, a concentration of 4-8 μg/ml is suitable.
Biochem/physiol Actions
Smad3 is phosphorylated by TGF-b, heterodimerizes with Smad4 and enters the nucleus. The heterodimer binds within the promoter of plasminogen activator inhibitor-1 (PAI-1) and induces its expression.
Sequence
Synthetic peptide located within the following region: FTPPIVKRLLGWKKGEQNGQEEKWCEKAVKSLVKKLKKTGQLDELEKAIT
Physical form
Purified antibody supplied in 1x PBS buffer with 0.09% (w/v) sodium azide and 2% sucrose.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Smad family members are newly identified essential intracellular signalling components of the transforming growth factor-beta (TGF-beta) superfamily. Smad2 and Smad3 are structurally highly similar and mediate TGF-beta signals. Smad4 is distantly related to Smads 2 and 3, and forms a
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Mounting evidence indicates that Smad proteins are required for TGF beta signaling, but the way(s) in which Smad proteins propagate this signal is unclear. We found that two human Smad proteins (Smad3 and Smad4) could specifically recognize an identical 8
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