Smad6 Antibody #9519
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- WB
Inquiry Info. # 9519
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Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 62 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Smad6 Antibody detects endogenous levels of total Smad6 protein.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding cysteine 55 of human Smad6. Antibodies were purified by protein A and peptide affinity chromatography.
Background
Members of the SMAD family of signal transduction molecules are components of a critical intracellular pathway that transmit TGF-β 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, and 9; the common-mediator SMAD (co-SMAD), SMAD4; and the antagonistic or inhibitory SMADs (I-SMADs), SMAD6 and 7 (1-5). Activated type I receptors associate with specific R-SMADs and phosphorylate them on a conserved carboxy-terminal SSXS motif. The phosphorylated R-SMADs dissociate from the receptor and form a heteromeric complex with SMAD4, initiating translocation of the heteromeric SMAD complex to the nucleus. Once in the nucleus, SMADs recruit a variety of DNA binding proteins that function to regulate transcriptional activity (6-8).
The inhibitory Smads, Smad6 and Smad7, were originally identified in vascular endothelium and inhibit TGF-β and BMP signaling by interfering with the phosphorylation of other Smad family members (9,10). Their expression may be induced by TGF-β, and BMP in some cell types providing a negative feedback loop (11,12).
The inhibitory Smads, Smad6 and Smad7, were originally identified in vascular endothelium and inhibit TGF-β and BMP signaling by interfering with the phosphorylation of other Smad family members (9,10). Their expression may be induced by TGF-β, and BMP in some cell types providing a negative feedback loop (11,12).
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- Massagué, J. (1998) Annu Rev Biochem 67, 753-91.
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- Wrana, J.L. (2000) Sci STKE 2000, re1.
- Attisano, L. and Wrana, J.L. (2002) Science 296, 1646-7.
- Moustakas, A. et al. (2001) J Cell Sci 114, 4359-69.
- Topper, J.N. et al. (1997) Proc. Natl. Acad. Sci. USA 94, 9314-9319.
- Imamura, T. et al. (1997) Nature 389, 622-626.
- Takase, M. et al. (1998) Biochem. Biophys. Res. Commun. 244, 26-29.
- Afrakhte, M. et al. (1998) Biochem. Biophys. Res. Commun. 249, 505-511.
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