PSDM4 is the non-ATPase subunit of the proteasomal 19S regulatory complex that is involved in proteasome-substrate identification. Porcine fertilization studies have reported that PSMD4 regulates sperm-zona pellucida (ZP) penetration. Furthermore, pharmacogenomic analyses have revealed that high expression of PSDM4 is linked to adverse clinical outcomes in myeloma patients undergoing bortezomib therapy. Rabbit Anti-PSMD4 (AB1) antibody recognizes human, rat, rabbit, bovine, mouse, and pig PSMD4.
Immunogen
Synthetic peptide directed towards the C terminal region of human PSMD4
Application
Rabbit Anti-PSMD4 (AB1) antibody can be used for western blot assays at a concentration of 0.5μg/ml.
Biochem/physiol Actions
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. PSMD4 encodes one of the non-ATPase subunits of the 19S regulator lid.
Sequence
Synthetic peptide located within the following region: VMQDPEFLQSVLENLPGVDPNNEAIRNAMGSLASQATKDGKKDKKEEDKK
Physical form
Purified antibody supplied in 1x PBS buffer with 0.09% (w/v) sodium azide and 2% sucrose.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Gene expression profiling (GEP) of purified plasma cells 48 hours after thalidomide and dexamethasone test doses showed these agents' mechanisms of action and provided prognostic information for untreated myeloma patients on Total Therapy 2 (TT2). Bortezomib was added in Total
Cell and tissue research, 341(2), 325-340 (2010-06-08)
Proteolysis of ubiquitinated sperm and oocyte proteins by the 26S proteasome is necessary for the success of mammalian fertilization, including but not limited to acrosomal exocytosis and sperm-zona pellucida (ZP) penetration. The present study examined the role of PSMD4, an
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