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You are here:Home » Antibodies » Abs to Ubiquitin Ligases » Anti -Smad Ubiquitination Regulatory Factor-1 (Smurf1)

Anti -Smad Ubiquitination Regulatory Factor-1 (Smurf1)

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified E B
Bone morphogenetic proteins (BMPs) constitute a large family of signaling molecules that regulate a wide range of critical processes including morphogenesis, cell-fate determination, proliferation, differentiation and apoptosis (1,2). BMP receptors are members of the TGF- beta family of Ser/Thr kinase receptors. Ligand binding induces multimerization, autophosphorylation and activation of these receptors (3-5). Subsequently, they phosphorylate Smad1 at Ser463 and Ser465 in the carboxy-terminal motif SSXS, as well as Smad5 and Smad8 at their corresponding sites. These phosphorylated Smads dimerize with the collaborating Smad4 and translocate to the nucleus, where the transcription of target genes is stimulated (5). Smurf1, a member of the HECT family of E3 ubiquitin ligases, seletively interacts with Smads of the BMP pathway, leading to their ubiquitination and degradation (6). In addition, Smurf1 has been shown to interact with the inhibitor Smad, Smad7, the bone-specific transcription factor Runx2/Cbfa1, RhoA and MEKK2 (7-10). In vivo, Smurf1 negatively regulates osteoblast differentiation and bone formation (10,11). A related protein, Smurf2, acts more promiscuously, interacting with both BMP and TGF-b Smad proteins (12).
Catalog #S1014-60L
ApplicationsSuitable for use in ELISA and Western Blot. Other applications not tested.
Recommended DilutionWestern blot 1:1000
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
HostRabbit
SourceHuman
ConcentrationNot determined
FormSupplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, 0.1mg/ml BSA and 50% glycerol.
PurityAffinity Purified.
ImmunogenSynthetic peptide (KLH-coupled) corresponding to a central region within human Smurf1.
SpecificityDetects endogenous levels of total Smurf1 protein.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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