Revision 1

#12024Store at -20C

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, IP

REACTIVITY:

H M R Mk

SENSITIVITY:

Endogenous

MW (kDa):

80

Source/Isotype:

Rabbit IgG

UniProt ID:

#Q9HAU4

Entrez-Gene Id:

64750

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:50

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

Smurf2 (D8B8) Rabbit mAb recognizes endogenous levels of total Smurf2 protein. This antibody also cross-reacts with proteins of unknown origin at 250 and 46 kDa in some cell lines.

Species Reactivity:

Human, Mouse, Rat, Monkey

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro160 of human Smurf2 protein.

Background

Smad ubiquitin regulatory factor 2 (Smurf2) is a HECT domain E3 ubiquitin ligase. It was initially identified as an inhibitor of TGF-β/BMP signaling by targeting R-Smads and TGF type I receptor for ubiquitination and degradation (1-3). Subsequent studies have revealed its role in neuronal and planar cell polarity, as well as in the senescence response and suppression of tumorigenesis (4-8). Smurf2 has a broad range of substrates including RUNX2, AMSH, Rap1B, and RNF11 (5,9-11). Smurf2 is widely expressed in various tissues. The C2 domain of Smurf2 inhibits its catalytic activity by interacting with the HECT domain (12). Research studies have shown that Smurf2 functions as a tumor suppressor by maintaining genomic stability through targeting RNF20 (13).

  1. Zhang, Y. et al. (2001) Proc Natl Acad Sci U S A 98, 974-9.
  2. Kavsak, P. et al. (2000) Mol Cell 6, 1365-75.
  3. Izzi, L. and Attisano, L. (2004) Oncogene 23, 2071-8.
  4. Zhang, H. and Cohen, S.N. (2004) Genes Dev 18, 3028-40.
  5. Schwamborn, J.C. et al. (2007) EMBO J 26, 1410-22.
  6. Narimatsu, M. et al. (2009) Cell 137, 295-307.
  7. Nie, J. et al. (2010) J Biol Chem 285, 22818-30.
  8. Ramkumar, C. et al. (2012) Cancer Res 72, 2714-9.
  9. Subramaniam, V. et al. (2003) Br J Cancer 89, 1538-44.
  10. Li, H. and Seth, A. (2004) Oncogene 23, 1801-8.
  11. Kaneki, H. et al. (2006) J Biol Chem 281, 4326-33.
  12. Wiesner, S. et al. (2007) Cell 130, 651-62.
  13. Blank, M. et al. (2012) Nat Med 18, 227-34.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting IP: Immunoprecipitation

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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