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|Product Name||PSMB4, 46-264aa, Human|
|Background||Proteasome subunit beta type-4, also known as PSMB4, belonged to the peptidase T1B family. The 20S Proteasome chamber contains alpha subunits (which are structural) and beta subunits (which are predominantly catalytic). The outer two rings in the proteasome consist of seven alpha subunits each and the inner two rings each consist of seven beta subunits. PSMB4 is a beta subunit of the 20S Proteasome. It is distributed throughout eukaryotic cells at a high concentration and cleaves peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. Recombinant human PSMB4 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.|
|Synonyms||Proteasome subunit beta type-4, HN3, HsN3, PROS-26, PROS26|
|Amino Acid Sequence||MGSSHHHHHH SSGLVPRGSH MTQNPMVTGT SVLGVKFEGG VVIAADMLGS YGSLARFRNI SRIMRVNNST MLGASGDYAD FQYLKQVLGQ MVIDEELLGD GHSYSPRAIH SWLTRAMYSR RSKMNPLWNT MVIGGYADGE SFLGYVDMLG VAYEAPSLAT GYGAYLAQPL LREVLEKQPV LSQTEARDLV ERCMRVLYYR DARSYNRFQI ATVTEKGVEI EGPLSTETNW DIAHMISGFE|
|Molecular Weight||34.1kDa (304aa)|
|Concentration||0.5mg/ml (determined by Bradford assay)|
|Form||Liquid, in 20mM Tris-HCl, pH8.0, 2M Urea, 20%Glycerol, 2mM DTT|
|Purity||> 90% by SDS-PAGE|
|NCBI Accession #||NP_002787|
|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||Orlowski M., et al. (1997) Biochemistry. 36:13946-13953.
McCusker D., et al. (1997) Genomics. 45:362-367.
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