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|Product Name||SIAH1, 90-282aa, Human|
|Background||E3 ubiquitin-protein ligase SIAH1, also known as SIAH1, is a member of the seven in absentia homolog (SIAH) family. SIAH1 is a tumor suppressor protein that is expressed in intestinal epithelium and activated during apoptosis. SIAH1 contains an N-terminal RING-finger domain, which is required for proteolysis, and a cystein-rich C-terminal domain, which regulates oligomerization and SIAH binding to target proteins. SIAH1 is known to cause indirect degradation of beta-catenin through formation of a complex with Siah-interacting protein (SIP), Skp1 and Ebi. Recombinant human SIAH1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.|
|Synonyms||E3 ubiquitin-protein ligase SIAH1, SIAH1A|
|Amino Acid Sequence||MGSSHHHHHH SSGLVPRGSH MGSVANSVLF PCKYASSGCE ITLPHTEKAD HEELCEFRPY SCPCPGASCK WQGSLDAVMP HLMHQHKSIT TLQGEDIVFL ATDINLPGAV DWVMMQSCFG FHFMLVLEKQ EKYDGHQQFF AIVQLIGTRK QAENFAYRLE LNGHRRRLTW EATPRSIHEG IATAIMNSDC LVFDTSIAQL FAENGNLGIN VTISMC|
|Molecular Weight||29.0kDa(260aa), confirmed by MALDI-TOF|
|Concentration||1 mg/ml (determined by Bradford assay)|
|Form||Liquid, in 20mM Tris-HCl buffer (pH8.0) containing 10% glycerol, 0.15M NaCl|
|Purity||> 95% by SDS-PAGE|
|NCBI Accession #||NP_003022|
|Storage||Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -20C or -70C. Avoid repeated freezing and thawing cycles.|
|Intended Use||For Research Use Only|
|References||Hu G., et al. (1999) Mol Cell Biol. 19: 724-732
Matsuzawas S., et al. (1998) EMBO J. 17: 2736-2747.
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