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>   首页   >   产品   >   一抗   >   精选抗体   >   磷酸化抗体   >   Phospho-SMAD2(T220) Antibody   

Phospho-SMAD2(T220) Antibody

Purified Rabbit Polyclonal Antibody (Pab)

     
  • 1 - Phospho-SMAD2(T220) Antibody AP3675a
    Western blot analysis of lysates from Hela cell line, untreated or treated with TGF-β, 100ng/ml, 30min, using Phospho-SMAD2(T220) Antibody(Cat. #AP3675a)(upper) or Beta-actin (lower).
  • 1 - Phospho-SMAD2(T220) Antibody AP3675a
    Western blot analysis of extracts from Hela cell,untreated or treated with PMA,using phospho-SMAD2-T220(left) or SMAD2 antibody(right).
  • 3 - Phospho-SMAD2(T220) Antibody AP3675a
    Confocal immunofluorescent analysis of Phospho-SMAD2-T220 Antibody(Cat#AP3675a) with Hela cell followed by Alexa Fluor 488-conjugated goat anti-rabbit lgG (green).Actin filaments have been labeled with Alexa Fluor 555 phalloidin (red).
  • 6 - Phospho-SMAD2(T220) Antibody AP3675a
    Dot blot analysis of anti-Phospho-SMAD2-T220 Phospho-specific Pab (Cat. #AP3675a閿?) on nitrocellulose membrane. 50ng of Phospho-peptide or Non Phospho-peptide per dot were adsorbed. Antibody working concentrations are 0.5ug per ml.
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Product info
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
IF, DB, WB, E
Primary Accession Q15796
Other Accession O70436, Q62432, Q9I9P9, Q1W668
Reactivity Human
Predicted Mouse, Rat, Zebrafish, Bovine
Host Rabbit
Clonality Polyclonal
Isotype Rabbit Ig
Additional info
Gene ID 4087
Other Names Mothers against decapentaplegic homolog 2, MAD homolog 2, Mothers against DPP homolog 2, JV18-1, Mad-related protein 2, hMAD-2, SMAD family member 2, SMAD 2, Smad2, hSMAD2, SMAD2, MADH2, MADR2
Target/Specificity This SMAD2 Antibody is generated from rabbits immunized with a KLH conjugated synthetic phosphopeptide corresponding to amino acid residues surrounding T220 of human SMAD2.
Dilution WB~~1:500
IF~~1:10~50
DB~~1:500
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by two-step phosphospecific peptide affinity purification.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsPhospho-SMAD2(T220) Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name SMAD2
Synonyms MADH2, MADR2
Function Receptor-regulated SMAD (R-SMAD) that is an intracellular signal transducer and transcriptional modulator activated by TGF-beta (transforming growth factor) and activin type 1 receptor kinases. Binds the TRE element in the promoter region of many genes that are regulated by TGF-beta and, on formation of the SMAD2/SMAD4 complex, activates transcription. May act as a tumor suppressor in colorectal carcinoma. Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator.
Cellular Location Cytoplasm. Nucleus. Note=Cytoplasmic and nuclear in the absence of TGF-beta. On TGF-beta stimulation, migrates to the nucleus when complexed with SMAD4 (PubMed:9865696). On dephosphorylation by phosphatase PPM1A, released from the SMAD2/SMAD4 complex, and exported out of the nucleus by interaction with RANBP1 (PubMed:16751101, PubMed:19289081)
Tissue Location Expressed at high levels in skeletal muscle, endothelial cells, heart and placenta
Research Areas

BACKGROUND

SMAD2 is a 58 kDa member of a family of proteins involved in cell proliferation, differentiation and development. The Smad family is divided into three subclasses: receptor-regulated Smad's, activin/TGF?receptor-regulated (Smad2 and 3) or BMP receptor regulated (Smad1, 5, and 8); the common partner, (Smad4) that functions via its interaction to the various Smad's; and the inhibitory Smad's, (Smad6 and Smad7). Smad2 consists of two highly conserved domains, the N terminal Mad homology (MH1) and the C-terminal Mad homology 2 (MH2) domains. The MH1 domain binds DNA and regulates nuclear import and transcription while the MH2 domain conserved among all the Smad's regulates Smad2 oligomerization and binding to cytoplasmic adaptors and transcription factors. Activated Smad2 associates with Smad4 and translocates as a complex into the nucleus, allowing its binding to DNA and transcription factors. This translocation of Smad2 (as well as Smad3) into the nucleus is a central event in TGF beta signaling. Phosphorylation of threonine 8 in the calmodulin binding region of the MH1 domain by extracellular signal regulated kinase 1(ERK 1) enhances Smad2 transcriptional activity, which is negatively regulated by calmodulin. The regulation of Smad2 phosphorylation on threonine 8 by ERK 1 and calmodulin is critical for Smad2 mediated signaling.

REFERENCES

Papageorgis,P., et.al., Cancer Res. 70 (3), 968-978 (2010)
Funaba,M., et.al., J. Biol. Chem. 277 (44), 41361-41368 (2002)

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