CHIP protein (30R-1245)
Purified recombinant Human CHIP protein
|Synonyms||NY CO 7 protein, STUB 1 protein, CHIP protein, HSPABP2 protein, STIP1 homology and U Box containing protein 1., E3 ubiquitin protein ligase CHIP protein, STUB1 protein, UBOX1 protein, Carboxy terminus of HSP70 interacting protein protein NY CO 7 protein, SDCCAG7 protein, UBOX 1 protein, NY-CO-7 protein, Carboxy terminus of Hsp70p interacting protein protein, Serologically defined colon cancer protein 7 protein, CLL associated protein KW 8 protein, Heat shock protein A binding protein 2 (c terminal) protein|
Coomassie Blue stained SDS-PAGE of CHIP protein (30R-1245)
Figure annotation denotes ug of protein loaded and % gel used.
|Residues||1-303 amino acids: MKGKEEKEGG ARLGAGGGSP EKSPSAQELK EQGNRLFVGR KYPEAAACYG RAITRNPLVA VYYTNRALCY LKMQQHEQAL ADCRRALELD GQSVKAHFFL GQCQLEMESY DEAIANLQRA YSLAKEQRLN FGDDIPSALR IAKKKRWNSI EERRIHQESE LHSYLSRLIA AERERELEEC QRNHEGDEDD SHVRAQQACI EAKHDKYMAD MDELFSQVDE KRKKRDIPDY LCGKISFELM REPCITPSGI TYDRKDIEEH LQRVGHFDPV TRSPLTQEQL IPNLAMKEVI DAFISENGWV EDY|
|Purity||> 90% pure|
|Molecular Weight||34.8 kDa (303 aa), confirmed by MALDI-TOF.|
|Form & Buffer||Supplied as a liquid in 20mM Tris-HCl buffer, pH 7.5, containing 5mM DTT, and 10% glycerol.|
Storage & Safety
|Storage||Store at 4 deg C for short term storage (1/2 weeks). Aliquot and store at -20 deg C or - 70 deg C for long term storage. Avoid repeated freeze/thaw cycles.|
|Endotoxin Levels||< 1.0 EU per ug of protein (determined by LAL method)|
|Biological Significance||CHIP, also known as STUB1, is a cytoplasmic protein whose amino acid sequence is highly conserved across species. CHIP interacts with the molecular chaperones Hsc70-Hsp70 and Hsp90 through its TPR domain, whereas its U-box domain contains its E3 ubiquitin ligase activity. Its interaction with these molecular chaperones results in client substrate ubiquitylation and degradation by the proteasome. Thus, CHIP acts to tilt the folding-refolding machinery toward the degradative pathway, and it serves as a link between the two. Recombinant human CHIP protein was expressed in E. coli and purified by using conventional chromatography techniques.|
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