anti-Smad4 (human), Rabbit Monoclonal (RM277)

Product description: Members of the Smad family of signal transduction molecules are components of a critical intracellular pathway that transmits TGF-beta signals from the cell surface into the nucleus. Three distinct classes of Smads have been defined: the receptor-regulated Smads (R-Smads), which include Smad1, 2, 3, 5, 8; the common-mediator Smad (co-Smad), Smad4; and the antagonistic or inhibitory Smads (I-Smads), Smad6 and 7. Binding of the TGF-beta superfamily of ligands that includes Transforming Growth Factor-beta (TGF-beta) and bone morphogenetic protein (BMP) to its cognate receptor allows phosphorylation of Smad 1, 2, 3, 5 and 8 (R-Smad, Receptor Smad). This signals for heterotrimerization with Smad4 (co-Smad, co-mediator Smad) and translocation of the complex to the nucleus. Inhibitory or antagonistic Smad (I-Smad) that includes Smad 6 and 7, interact with activated R-Smads and attenuate the signaling pathway. Smad4 acts as a tumor suppressor protein by transcriptionally regulating its target genes such as Cyclin D1 (downregulation) and collagen (upregulation) that inhibit cell proliferation. Dephosphorylation regulates nuclear export and nucleocytoplasmic dynamics of Smads.

Alternate Names/Synonyms: DPC4; Smad4; SMAD4; hSMAD4; SMAD 4; MAD Homolog 4; SMAD Family Member 4; Mothers Against DPP Homolog 4; Mothers Against Decapentaplegic Homolog 4; Deletion Target in Pancreatic Carcinoma 4

Product Type: Recombinant Antibody

Clone: RM277

Isotype: Rabbit IgG

Immunogen: A peptide corresponding to the C-terminus of human Smad4.

Applications: IHC, WB

Species Crossreactivity: Human

Specificity: This antibody reacts to human Smad4. This antibody may also react to mouse or rat Smad4, as predicted by immunogen homology.

Concentration: N/A

Long Term Storage: -20°C

Shipping: BLUE ICE

Use & Stability: Stable for at least 1 year after receipt when stored at -20°C.

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