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PSME2 Rabbit anti-Human, Mouse, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1976

Catalog No. PA1976

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PA1-976 detects recombit human and mouse proteasome 11S REG beta. This antibody does not detect endogenous levels of proteasome 11S REG beta nor does it detect other 11S REG subunits. PA1-976 has been successfully used in Western blot and ICC/IF procedures. By Western blot, this antibody detects an ~28 kDa protein representing recombit human proteasome 11S REG beta. PA1-976 immunizing peptide corresponds to amino acid residues 1-14 from human proteasome 11S REG beta protein. This peptide (PEP-158) is available for use in neutralization and control experiments.

Proteolytic degradation is critical to the maintece of appropriate levels of short-lived and regulatory proteins as important and diverse as those involved in cellular metabolism, heat shock and stress response, antigen presentation, modulation of cell surface receptors and ion channels, cell cycle regulation, transcription, and signalling factors. The ubiquitin-proteasome pathway deconstructs most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum. The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa. It consists of a 20S proteolytic core complex which is crowned at one or both ends by 19S regulatory subunit complexes. The 19S regulatory subunits recognize ubiquitinated proteins and play an essential role in unfolding and translocating targets into the lumen of the 20S subunit. An enzymatic cascade is responsible for the attachment of multiple ubiquitin molecules to lysine residues of proteins targeted for degradation. Several genetic diseases are associated with defects in the ubiquitin-proteasome pathway. Some examples of affected proteins include those linked to cystic fibrosis, Angelman’s syndrome, and Liddle syndrome.


Synthetic Peptide: M(1) A K P C G V R L S G E A R(14)
Ammonium sulfate precipitation
Human, Mouse
Immunocytochemistry, Immunofluorescence, Western Blot
1 mg/mL
PBS with 0.05% sodium azide
Q9UL46, P97372
PA28B, PA28beta, REGbeta
100 μL
-20° C, Avoid Freeze/Thaw Cycles
19188, 5721
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