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SAB4200270

Sigma-Aldrich

Anti-PSMB9 antibody, Mouse monoclonal

clone LMP2-37, purified from hybridoma cell culture

Synonym(s):

Monoclonal Anti-LMP2, Monoclonal Anti-PSMB6i, Monoclonal Anti-RING12, Monoclonal Anti-beta1i, Monoclonal Anti-proteasome (prosome, macropain) subunit, beta type, 9 (large multifunctional peptidase 2)

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About This Item

UNSPSC Code:
12352203

biological source

mouse

conjugate

unconjugated

antibody form

purified from hybridoma cell culture

antibody product type

primary antibodies

clone

LMP2-37, monoclonal

form

buffered aqueous solution

mol wt

antigen 17 kDa

species reactivity

human, mouse, rat

concentration

~1.0 mg/mL

technique(s)

immunocytochemistry: suitable
indirect ELISA: suitable
western blot: 1.0-2.0 μg/mL using extracts of rat spleen

isotype

IgG2a

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... PSMB9(5698)

General description

Monoclonal Anti-PSMB9 (mouse IgG2a isotype) is derived from the hybridoma LMP2-37 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with human PSMB9 recombinant protein. Proteasome 20S subunit beta 9 (PSMB9) is present in the major histocompatibility complex (MHC) class II region. γ-interferon triggers the synthesis of three proteasomal subunits-PSMB9 (β1i), PSMB10 (β2i) and PSMB8 (β5i), which is a part of immunoproteasome.

Immunogen

human PSMB9, recombinant protein.

Application

Monoclonal Anti-PSMB9 antibody produced in mouse has been used in:
  • flow cytometry
  • enzyme linked immunosorbent assay (ELISA)
  • immunoblotting
  • immunocytochemistry

Biochem/physiol Actions

Proteasome 20S subunit beta 9 (PSMB9) is used during antigen presentation. Aberrant levels of PSMB9 is involved in autoimmune disorders such as primary Sjogren′s syndrome and uterine leiomyosarcomas. The proteasome is a multicatalytic proteinase complex, which is involved in the regulation of essential cellular processes such as transcription, cell cycle progression, differentiation, apoptosis and in the control of stress and immune responses.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

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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Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Pro-inflammatory cytokines alter the immunopeptidome landscape by modulation of HLA-B expression
Javitt A, et al.
Frontiers in immunology, 10, 141-141 (2019)
Aaron Javitt et al.
Frontiers in immunology, 10, 141-141 (2019-03-06)
Antigen presentation on HLA molecules is a major mechanism by which the immune system monitors self and non-self-recognition. Importantly, HLA-I presentation has gained much attention through its role in eliciting anti-tumor immunity. Several determinants controlling the peptides presented on HLA
Proteasome and peptidase function in MHC-class-I-mediated antigen presentation
Kloetzel PM and Ossendorp F
Current Opinion in Immunology, 16(1), 76-81 (2004)
Tight junction protein 1 modulates proteasome capacity and proteasome inhibitor sensitivity in multiple myeloma via EGFR/JAK1/STAT3 signaling
Zhang XD, et al.
Cancer Cell, 29(5), 639-652 (2016)
The ubiquitin-proteasome system and its role in inflammatory and autoimmune diseases
Wang J, et al.
Cellular & Molecular Immunology, 3(4), 255-261 (2006)

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