|Application ||WB, E|
|Other Accession||A2A3N6, NP_002801.1|
|Calculated MW||40737 Da|
|Antigen Region||300-328 aa|
|Other Names||26S proteasome non-ATPase regulatory subunit 4, 26S proteasome regulatory subunit RPN10, 26S proteasome regulatory subunit S5A, Antisecretory factor 1, AF, ASF, Multiubiquitin chain-binding protein, PSMD4, MCB1|
|Target/Specificity||This PSMD4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 300-328 amino acids from the C-terminal region of human PSMD4.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|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||PSMD4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Component of the 26S proteasome, a multiprotein complex involved in the ATP-dependent degradation of ubiquitinated proteins. This complex plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins, which could impair cellular functions, and by removing proteins whose functions are no longer required. Therefore, the proteasome participates in numerous cellular processes, including cell cycle progression, apoptosis, or DNA damage repair. PSMD4 acts as an ubiquitin receptor subunit through ubiquitin-interacting motifs and selects ubiquitin-conjugates for destruction. Displays a preferred selectivity for longer polyubiquitin chains.|
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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. This gene encodes one of the non-ATPase subunits of the 19S regulator lid. Pseudogenes have been identified on chromosomes 10 and 21.
Elangovan, M., et al. Biochem. Biophys. Res. Commun. 396(2):425-428(2010)
Safadi, S.S., et al. J. Biol. Chem. 285(2):1424-1434(2010)
Zhang, N., et al. Mol. Cell 35(3):280-290(2009)
Kim, H.T., et al. EMBO J. 28(13):1867-1877(2009)
Gaurnier-Hausser, A., et al. Curr. Pharm. Des. 15(17):1937-1948(2009)
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1. Block with 3% skim milk for 1 hour at room temperature. 2. Incubate overnight with Abgent primary antibody 1:1000 in 3% skim milk at 4℃ 3. Wash 5*5 min with TBST. 4. Incubate with HRP-conjugated secondary antibody 1:5000 in 3% skim milk for 1 hour at room temperature. 5. Wash 5*5 min with TBST. 6. Incubate with ECL substrates and expose