Cell Signaling Technology

Product Pathways - TGF-beta/Smad Signaling

Smad2/3 (D7G7) XP® Rabbit mAb (PE Conjugate) #72255

smad   smad2   smad23   smad3  

No. Size Price
72255S 100 µl ( 50 tests ) ¥4,264.00 现货查询 购买询价
72255 carrier free & custom formulation / quantityemail request
Applications Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
F 1:50 Human,Mouse,Rat,Monkey, Endogenous Rabbit IgG

Species cross-reactivity is determined by western blot.

Applications Key: F=Flow Cytometry,

Specificity / Sensitivity

Smad2/3 (D7G7) XP® Rabbit mAb (PE Conjugate) recognizes endogenous levels of total Smad2/3 protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding His198 of human Smad2/3 protein.

Description

This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Smad2/3 (D7G7) XP® Rabbit mAb #8685.

Flow Cytometry

Flow Cytometry

Flow cytometric analysis of HeLa cells using Smad2/3 (D7G7) XP® Rabbit mAb (PE Conjugate) (green) compared to Rabbit (DA1E) mAb IgG XP® Isotype Control (PE Conjugate) #5742 (red).

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 8; 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-Smad dissociates from the receptor and forms a heteromeric complex with the co-Smad (Smad4), allowing translocation of the complex to the nucleus. Once in the nucleus, Smads can target a variety of DNA binding proteins to regulate transcriptional responses (6-8).

  1. Heldin, C.H. et al. (1997) Nature 390, 465-71.
  2. Attisano, L. and Wrana, J.L. (1998) Curr Opin Cell Biol 10, 188-94.
  3. Derynck, R. et al. (1998) Cell 95, 737-40.
  4. Massagué, J. (1998) Annu Rev Biochem 67, 753-91.
  5. Whitman, M. (1998) Genes Dev 12, 2445-62.
  6. Wu, G. et al. (2000) Science 287, 92-7.
  7. Attisano, L. and Wrana, J.L. (2002) Science 296, 1646-7.
  8. Moustakas, A. et al. (2001) J Cell Sci 114, 4359-69.

Application References

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Protocols

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For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

XP is a registered trademark of Cell Signaling Technology, Inc.

Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.

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