SMAD3 (del SXS) Protein(S12-31G)
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Description :Recombinant human SMAD3 (C-terminal SXS deletion) was expressed in E. coli cells using an N-terminal GST tag.
Species :Human
Tag :GST tag
Expression System:E.coli
Sequence :C-terminal SXS deletion
Genbank Number :NM_005902
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability, and Shipping :Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications :Western Blot
Molecular Weight :84 kDa
Gene Aliases :MADH3, JV15-2, HSPC193, HsT17436, MGC60396, KFZP586N0721, DKFZp686J10186
Scientific Background :SMAD3 is a direct mediator of transcriptional activation by the TGF receptor. The activity of SMAD3 is regulated by the TGF receptors, and SMAD3 is phosphorylated and associated with the ligand-bound receptor complex. TGF stimulation leads to phosphorylation and activation of SMAD3, which form a complex with SMAD4 that accumulate in the nucleus and regulate transcription of target genes such as CDK inhibitor (1). SMAD3 containing a C-terminal truncation acts as a dominant-negative inhibitor of the normal TGF response. SMAD3 is a major physiologic substrate of the G1 cyclin-dependent kinases CDK4 and CDK2 (2).
References :
1. Inman, G. J. et al: Nucleocytoplasmic shuttling of Smads 2, 3, and 4 permits sensing of TGF-beta receptor activity. Molec. Cell 10: 283-294, 2002.
2. Matsuura, I. et al: Cyclin-dependent kinases regulate the antiproliferative function of Smads. Nature 430: 226-231, 2004.
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Research Areas :AKT/PKB Pathway, Angiogenesis, Cancer, Cell Cycle, Cellular Stress, ERK/MAPK Pathway, Inflammation, JAK/STAT Pathway, JNK/SAPK Pathway, NfkB Pathway, WNT Signaling