Abcam, ab250700, Anti-PSME2 antibody [EPR14931] - BSA and Azide free

Size: 100µg / 1mg
Rabbit Recombinant Monoclonal PSME2 antibody. Carrier free. Suitable for ICC/IF, I-ELISA, WB, Flow Cyt (Intra), IHC-P and reacts with Human, Mouse, Rat, Recombinant full length protein - Human samples. Cited in 1 publication.
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR14931,
Isotype:IgG,
Carrier free:Yes,
Reacts with:Human, Rat, Mouse,
Applications:I-ELISA, ICC/IF, WB, Flow Cyt (Intra), IHC-PSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Product details:
ab250700 is the carrier-free version of
ab183727
Patented technology
Our RabMAb
technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to
RabMAb® patents
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production
For more information, read more on
recombinant antibodies
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our
conjugation kits
for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar
Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar
is a trademark of Fluidigm Canada Inc.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Protein A, Storage buffer-pH: 7.2 - 7.4Constituents: PBS, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-Do Not Freeze

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
PSME2 also known as PA28β or Proteasome Activator Subunit 2 is a regulatory protein with a molecular mass of approximately 28 kDa. It forms a part of the 11S regulator complex which modulates proteasome activities specifically the 20S proteasome. PSME2 is important in facilitating the degradation of endogenous proteins by opening the gate on the 20S proteasome core. It consistently expresses in various tissues with notable expression in immune-related tissues such as the spleen and thymus indicating its significant role in immune system functions.
Biological function summary
PSME2 participates in immunoproteasome formation impacting antigen processing and presentation. It binds to the 20S proteasome core facilitating a switch in proteolytic activities that enable the generation of peptide fragments suited for MHC class I molecule presentation. The biological function of PSME2 is critical in adaptive immune responses where it increases the efficiency and specificity of antigen processing. As part of the PA28 protein complex PSME2 partners with other subunits like PSME1 to enhance the degradation of oxidized proteins contributing to cellular homeostasis.
Pathways
Studies highlight PSME2’s involvement in the ubiquitin-proteasome pathway an important process for intracellular protein degradation. This pathway handles the removal of misfolded or damaged proteins and PSME2’s interaction with the 20S proteasome reflects its necessity for effective proteostasis. Additionally PSME2 acts in coordination with other proteasome subunits and cofactors such as PSME3 to modulate activity rates in response to cellular signals therefore integrating cellular responses to stress and damage repairs.
Researchers often link PSME2 to autoimmune diseases and cancer. In autoimmune conditions improper processing of antigens due to altered PSME2 function can lead to inappropriate immune responses with PSME2's altered expression observed in diseases like rheumatoid arthritis. With respect to cancer PSME2’s impact on antigen presentation affects tumor immune surveillance where reduced activity might allow immune evasion by cancer cells. Its relationship with the proteasome suggests connections with pathways involving proteins like β-catenin which play roles in disease progression and immune system evasion strategies.