|Application ||IHC-P, FC, WB|
|Other Accession||Q5E9G3, P97372, Q63798|
|Predicted||Human, Dog, Chicken|
|Calculated MW||H=27;M=27;R=27 KDa|
|Antigen Region||210-239 aa|
|Other Names||Proteasome activator complex subunit 2, 11S regulator complex subunit beta, REG-beta, Activator of multicatalytic protease subunit 2, Proteasome activator 28 subunit beta, PA28b, PA28beta, PSME2|
|Target/Specificity||This PSME2 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 210-239 amino acids from the C-terminal region of human PSME2.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||PSME2 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Implicated in immunoproteasome assembly and required for efficient antigen processing. The PA28 activator complex enhances the generation of class I binding peptides by altering the cleavage pattern of the proteasome.|
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Provided below are standard protocols that you may find useful for product applications.
The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. The immunoproteasome contains an alternate regulator, referred to as the 11S regulator or PA28, that replaces the 19S regulator. Three subunits (alpha, beta and gamma) of the 11S regulator have been identified. PSME2 is the beta subunit of the 11S regulator, one of the two 11S subunits that is induced by gamma-interferon.
Conticello,S.G., Curr. Biol. 13 (22), 2009-2013 (2003)
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