SMAD Family

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. 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.


Product List
TargetCatalog#Product NameReactivityApplication
Smad1/5/9APRab17987Smad1/5/9 Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Smad1APRab17986Smad1 Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad1 (Ser465)APRab05437Phospho‑Smad1 (Ser465) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad1 (Ser187)APRab05436Phospho‑Smad1 (Ser187) Rabbit Polyclonal AntibodyHuman,Mouse,MonkeyWB,IHC,ICC/IF,ELISA
Smad2/3AMRe87734Smad2/3 Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,ICC/IF,FC,IP
Smad2AMRe21514Smad2 Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,ICC/IF,ELISA,IP
Phospho‑Smad2/3 (Thr8)AMRe21074Phospho‑Smad2/3 (Thr8) Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,ICC/IF,ELISA,IP
Phospho‑Smad2 (Thr220)APRab05442Phospho‑Smad2 (Thr220) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad2 (Ser467)APRab05441Phospho‑Smad2 (Ser467) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad2 (Ser250)AMRe21461Phospho‑Smad2 (Ser250) Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,IHC,IF,ELISA
Acetyl‑Smad2/3 (Acetyl‑Lys19)APRab06256Acetyl‑Smad2/3 (Acetyl‑Lys19) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF
Smad3APRab17994Smad3 Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Smad3AMRe02613Smad3 Rabbit Monoclonal AntibodyHuman,Mouse,Rat,HamsterWB,IP
Phospho‑Smad3 (Ser423/425)AMRe06012Phospho‑Smad3 (Ser423/425) (12O16) Rabbit Monoclonal AntibodyHuman,MouseWB,IHC,ICC/IF
Phospho‑Smad3 (Ser425)APRab00823Phospho‑Smad3 (Ser425) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad2 (Thr8)/Smad3 (Thr8)AMRe87735Phospho‑Smad2 (Thr8)/Smad3 (Thr8) Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,ICC/IF,IP
Phospho‑Smad3 (Thr179)APRab05449Phospho‑Smad3 (Thr179) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad3 (Ser213)APRab05447Phospho‑Smad3 (Ser213) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad3 (Ser208)APRab05446Phospho‑Smad3 (Ser208) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Phospho‑Smad3 (Ser204)APRab05445Phospho‑Smad3 (Ser204) Rabbit Polyclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA
Smad4AMRe03205Smad4 Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,IHC,IF,IP,ELISA
Smad5AMRe21160Smad5 Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA,IP
Phospho‑SMAD5 (Ser463/Ser465)AMRe21103Phospho‑SMAD5 (Ser463/Ser465) Rabbit Monoclonal AntibodyHuman,Mouse,RatWB,IHC,ICC/IF,ELISA,IP
Smad6APRab18000Smad6 Rabbit Polyclonal AntibodyHuman,MouseWB,IHC,ICC/IF,ELISA

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References

  • TGF‑beta signalling from cell membrane to nucleus through SMAD proteins. Heldin CH, et al. Nature. 1997. [PMID: 9393997]
  • Mads and Smads in TGF beta signalling. Attisano L, et al. Curr Opin Cell Biol. 1998. [PMID: 9561843]
  • Smads: transcriptional activators of TGF‑beta responses. Derynck R, et al. Cell. 1998. [PMID: 9865691]
  • Smads: transcriptional activators of TGF‑beta responses. Derynck R, et al. Cell. 1998. [PMID: 9865691]
  • TGF‑beta signal transduction. Massagué J. Annu Rev Biochem. 1998. [PMID: 9759503]
  • Smads and early developmental signaling by the TGFbeta superfamily. Whitman M. Genes Dev. 1998. [PMID: 9716398]
  • Crossing Smads. Wrana JL. Sci STKE. 2000. [PMID: 11752591]
  • Signal transduction by the TGF‑beta superfamily. Attisano L, et al. Science. 2002. [PMID: 12040180]
  • Smad regulation in TGF‑beta signal transduction. Moustakas A, et al. J Cell Sci. 2001. [PMID: 11792802]
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