Date published: 2026-4-5

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20S Proteasome β1 Antibody (D-9): sc-374405

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Datasheets
  • 20S Proteasome β1 Antibody (D-9) is a mouse monoclonal IgG1 20S Proteasome β1 antibody, cited in 16 publications, provided at 200 µg/ml
  • raised against amino acids 1-241 representing full length 20S Proteasome β1 of human origin
  • 20S Proteasome beta 1 Antibody (D-9) is recommended for detection of 20S Proteasome β1 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-20S Proteasome beta 1 Antibody (D-9) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for 20S Proteasome β1 Antibody (D-9) for WB and IHC(P) applications. These reagents are now offered in bundles with 20S Proteasome β1 Antibody (D-9) (see ordering information below).
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20S Proteasome β1 Antibody (D-9) is a mouse monoclonal IgG1 antibody that detects the 20S Proteasome beta 1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). Anti-20S Proteasome beta 1 antibody (D-9) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. 20S Proteasome beta 1 protein plays a crucial role in the cellular protein degradation pathway, which is essential for maintaining cellular homeostasis by removing damaged or misfolded proteins. This process is vital for regulating various cellular functions, including the cell cycle, apoptosis, and responses to oxidative stress. 20S Proteasome core, which is composed of multiple subunits, forms a cylindrical structure that houses the catalytic sites responsible for proteolysis. Understanding the function of 20S Proteasome beta 1 protein and its role in protein turnover is important for elucidating mechanisms of diseases where protein aggregation and degradation are disrupted, such as neurodegenerative disorders.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

20S Proteasome β1 Antibody (D-9) References:

  1. Primary structural features of the 20S proteasome subunits of rice (Oryza sativa).  |  Sassa, H., et al. 2000. Gene. 250: 61-6. PMID: 10854779
  2. Cloning and molecular characterization of a gene encoding a Cryptosporidium parvum putative 20S proteasome beta1-type subunit.  |  Chung, PA., et al. 2000. DNA Seq. 11: 309-14. PMID: 11092745
  3. Catalytic site-specific inhibition of the 20S proteasome by 4-hydroxynonenal.  |  Ferrington, DA. and Kapphahn, RJ. 2004. FEBS Lett. 578: 217-23. PMID: 15589823
  4. Optimization of subsite binding to the beta5 subunit of the human 20S proteasome using vinyl sulfones and 2-keto-1,3,4-oxadiazoles: syntheses and cellular properties of potent, selective proteasome inhibitors.  |  Rydzewski, RM., et al. 2006. J Med Chem. 49: 2953-68. PMID: 16686537
  5. Inhibition on Proteasome β1 Subunit Might Contribute to the Anti-Cancer Effects of Fangchinoline in Human Prostate Cancer Cells.  |  Li, D., et al. 2015. PLoS One. 10: e0141681. PMID: 26512898
  6. Phenoxypropanolamine derivatives as selective inhibitors of the 20S proteasome β1 and β5 subunits.  |  Hovhannisyan, AA., et al. 2017. Bioorg Med Chem Lett. 27: 5172-5178. PMID: 29113763
  7. Ordered structure of the crystallized bovine 20S proteasome.  |  Morimoto, Y., et al. 1995. J Biochem. 117: 471-4. PMID: 7629009
  8. Conformational constraints in protein degradation by the 20S proteasome.  |  Wenzel, T. and Baumeister, W. 1995. Nat Struct Biol. 2: 199-204. PMID: 7773788
  9. Structure and structure formation of the 20S proteasome.  |  Schmidt, M., et al. 1997. Mol Biol Rep. 24: 103-12. PMID: 9228290
  10. Human proteasome subunits from 2-dimensional gels identified by partial sequencing.  |  Kristensen, P., et al. 1994. Biochem Biophys Res Commun. 205: 1785-9. PMID: 7811265
  11. Comprehensive mass spectrometric analysis of the 20S proteasome complex.  |  Huang, L. and Burlingame, AL. 2005. Methods Enzymol. 405: 187-236. PMID: 16413316
  12. Role of the beta1 subunit in the function and stability of the 20S proteasome in the hyperthermophilic archaeon Pyrococcus furiosus.  |  Madding, LS., et al. 2007. J Bacteriol. 189: 583-90. PMID: 17114253

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

20S Proteasome β1 Antibody (D-9)

sc-374405
200 µg/ml
$322.00

20S Proteasome β1 Antibody (D-9): m-IgG Fc BP-HRP Bundle

sc-527460
200 µg Ab; 10 µg BP
$361.00

20S Proteasome β1 Antibody (D-9): m-IgG1 BP-HRP Bundle

sc-532833
200 µg Ab; 20 µg BP
$361.00

20S Proteasome β1 Antibody (D-9) AC

sc-374405 AC
500 µg/ml, 25% agarose
$424.00

20S Proteasome β1 Antibody (D-9) HRP

sc-374405 HRP
200 µg/ml
$322.00

20S Proteasome β1 Antibody (D-9) FITC

sc-374405 FITC
200 µg/ml
$336.00

20S Proteasome β1 Antibody (D-9) PE

sc-374405 PE
200 µg/ml
$349.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 488

sc-374405 AF488
200 µg/ml
$364.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 546

sc-374405 AF546
200 µg/ml
$364.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 594

sc-374405 AF594
200 µg/ml
$364.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 647

sc-374405 AF647
200 µg/ml
$364.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 680

sc-374405 AF680
200 µg/ml
$364.00

20S Proteasome β1 Antibody (D-9) Alexa Fluor® 790

sc-374405 AF790
200 µg/ml
$364.00

I am using 20S Proteasome β1 (D-9): sc-374405 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: AbPolly
We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support
Date published: 2017-02-25
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Rated 3 out of 5 by from misleading labelingThis antibody is also mislabeled. This antibody detects PSMB1, which is the Beta6 subunit of the proteasome (NOT Beta1).
Date published: 2021-06-29
Rated 5 out of 5 by from very good stainingVery good staining of endogenous 20S beta1 levels in human cell lines
Date published: 2021-04-30
Rated 4 out of 5 by from GoodGood bands by WB at 1:300 dilution with 1:4000 HRP secondary
Date published: 2017-09-12
Rated 5 out of 5 by from great features!Works well for IF and western blotting in human and MEF cells.
Date published: 2017-07-10
Rated 3 out of 5 by from Works OK!I used this antibody, and it works ok on rat tissue. There were few additional band too at around 50 KDa!
Date published: 2017-03-09
Rated 5 out of 5 by from It works on human iPSC-derived neurons.I have tried this antibody on western and IF staining multiple times. The band on the western was really clear and specific; the IF staining was a bit weak but visible.
Date published: 2017-01-23
Rated 5 out of 5 by from Great Western Blot data of 20S ProteasomeGreat Western Blot data of 20S Proteasome 1 expression in HeLa and JAR whole cell lysates. -SCBT QC
Date published: 2014-10-15
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20S Proteasome β1 Antibody (D-9) is rated 4.3 out of 5 by 7.
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