PSMD11 Recombinant Protein

Source : Escherichia Coli. PSMD11 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 442 amino acids (1-422a.a) and having a molecular mass of 49.6kDa. PSMD11 is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. The 26S proteasome is a multicatalytic proteinase complex with a well ordered structure composed of two complexes- a 20S core and a 19S regulator. PSMD11 is a non-ATPase subunit of the 19S regulator. The 20S core is composed of four rings of 28 non-identical subunits; two rings are composed of 7 alpha subunits and two rings are composed of 7 beta subunits. The 19S regulator is composed of a base that contains six ATPase subunits and two non-ATPase subunits, and a lid that contains up to ten non-ATPase subunits. Proteasomes are spread throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An indispensable function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides.