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SMAD7 Polyclonal Antibody

Cat:E-AB-53271
Manual MSDS
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Price: $ 399

Price: $ 240

Price: $ 143

Price: $ 73

Size:
200μL 120μL 60μL 20μL
Quantity:
  • Host: Rabbit
  • Reactivity: Human; Mouse; Rat
  • Applications: WB;IHC
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Product Details
Verified Samples Verified Samples in WB:Mouse heart
Verified Samples in IHC:Human esophagus cancer,Human tonsil,Rat kidney
Dilution

WB 1:500-1:2000, IHC 1:40-1:200

Western Blot Operation Guide
Clonality Polyclonal
Immunogen Synthetic peptide of human SMAD7
Abbre SMAD7
Synonyms CRCS3;FLJ16482;hSMAD 7;hSMAD7;MAD (mothers against decapentaplegic Drosophila) homolog 7;MAD;Mad homolog 7;MAD homolog 8;MAD mothers against decapentaplegic homolog 7;MADH 7;MADH 8;MADH6;MADH8;Mothers Against Decapentaplegic Drosophila Homolog of 6;Mothers Against Decapentaplegic Drosophila Homolog of 7;Mothers against decapentaplegic homolog 7;Mothers against decapentaplegic homolog 8;Mothers against DPP homolog 7;Mothers against DPP homolog 8;SMA- AND MAD-RELATED PROTEIN 7;SMAD 7;SMAD;SMAD family member 7;SMAD;mothers against DPP homolog 7 (Drosophila);SMAD;mothers against DPP homolog 7;SMAD6;Smad7;SMAD7
Swissprot
Calculated MW 46 kDa
Observed MW Refer to figures
The actual band is not consistent with the expectation.

Western blotting is a method for detecting a certain protein in a complex sample based on the specific binding of antigen and antibody. Different proteins can be divided into bands based on different mobility rates. The mobility is affected by many factors, which may cause the observed band size to be inconsistent with the expected size. The common factors include:

1. Post-translational modifications: For example, modifications such as glycosylation, phosphorylation, methylation, and acetylation will increase the molecular weight of the protein.

2. Splicing variants: Different expression patterns of various mRNA splicing bodies may produce proteins of different sizes.

3. Post-translational cleavage: Many proteins are first synthesized into precursor proteins and then cleaved to form active forms, such as COL1A1.

4. Relative charge: the composition of amino acids (the proportion of charged amino acids and uncharged amino acids).

5. Formation of multimers: For example, in protein dimer, strong interactions between proteins can cause the bands to be larger. However, the use of reducing conditions can usually avoid the formation of multimers.

If a protein in a sample has different modified forms at the same time, multiple bands may be detected on the membrane.

Cellular Localization Nucleus. Cytoplasm. Interaction with NEDD4L or RNF111 induces translocation from the nucleus to the cytoplasm (PubMed:16601693). TGF-beta stimulates its translocation from the nucleus to the cytoplasm. PDPK1 inhibits its translocation from the nucleus to the cytoplasm in response to TGF-beta (PubMed:17327236).
Concentration 1.14 mg/mL
Buffer PBS with 0.05% NaN3 and 40% Glycerol,pH7.4
Purification Method Antigen affinity purification
Research Areas Cancer; Epigenetics and Nuclear Signaling; Signal Transduction
Conjugation Unconjugated
Storage Store at -20°C Valid for 12 months. Avoid freeze / thaw cycles.
Shipping Ice bag
background SMAD7,also named as Mothers against decapentaplegic homolog 7,is a 426 amino acid protein,which belongs to the dwarfin/SMAD family. SMAD7 Interaction with NEDD4L or RNF111 induces translocation from the nucleus to the cytoplasm (PubMed:16601693). TGF-beta stimulates its translocation from the nucleus to the cytoplasm. PDPK1 inhibits its translocation from the nucleus to the cytoplasm in response to TGF-beta (PubMed:17327236). SMAD7 as antagonist of signaling by TGF-beta (transforming growth factor) type 1 receptor superfamily members has been shown to inhibit TGF-beta (Transforming growth factor) and activin signaling by associating with their receptors thus preventing SMAD2 access. SMAD7 functions as an adapter to recruit SMURF2 to the TGF-beta receptor complex and also acts by recruiting the PPP1R15A-PP1 complex to TGFBR1,which promotes its dephosphorylation. SMAD7 positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator.