Date published: 2025-12-27

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20S Proteasome α1 Antibody (C-7): sc-166073

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Datasheets
  • 20S Proteasome α1 Antibody (C-7) is a mouse monoclonal IgG2b κ 20S Proteasome α1 antibody, cited in 4 publications, provided at 200 µg/ml
  • raised against amino acids 131-225 mapping near the C-terminus of 20S Proteasome α1 of human origin
  • 20S Proteasome alpha 1 Antibody (C-7) is recommended for detection of 20S Proteasome α1 of mouse, rat and human origin by WB, IP, IF and ELISA; also reactive with additional species, including and bovine and porcine
  • Anti-20S Proteasome alpha 1 Antibody (C-7) 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 is the preferred secondary detection reagent for 20S Proteasome α1 Antibody (C-7) for WB applications. This reagent is now offered in a bundle with 20S Proteasome α1 Antibody (C-7) (see ordering information below).

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20S Proteasome α1 Antibody (C-7) is a mouse monoclonal IgG2b kappa light chain antibody that detects PSMA1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Anti-PSMA1 antibody (C-7) 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. PSMA1 plays a crucial role in the ubiquitin-proteasome pathway, maintaining cellular homeostasis by regulating degradation of misfolded or damaged proteins. This process is vital for various cellular functions, including cell cycle regulation, signal transduction, and modulation of transcription factors. PSMA1 is part of a core particle made up of 28 subunits arranged in a cylindrical structure, allowing efficient processing of ubiquitinated substrates. Proper functioning of PSMA1 is critical, as dysregulation can lead to various diseases, including cancer and neurodegenerative disorders. PSMA1 monoclonal antibody (C-7) enables researchers to gain insights into protein degradation dynamics and their implications in health and disease.

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 α1 Antibody (C-7) References:

  1. Species variation in ATP-dependent protein degradation: protease profiles differ between mycobacteria and protease functions differ between Mycobacterium smegmatis and Escherichia coli.  |  Knipfer, N., et al. 1999. Gene. 231: 95-104. PMID: 10231573
  2. Mechanism of attenuation of skeletal muscle protein catabolism in cancer cachexia by eicosapentaenoic acid.  |  Whitehouse, AS., et al. 2001. Cancer Res. 61: 3604-9. PMID: 11325828
  3. A degradation signal located in the C-terminus of p21WAF1/CIP1 is a binding site for the C8 alpha-subunit of the 20S proteasome.  |  Touitou, R., et al. 2001. EMBO J. 20: 2367-75. PMID: 11350925
  4. Downregulation of ubiquitin-dependent proteolysis by eicosapentaenoic acid in acute starvation.  |  Whitehouse, AS. and Tisdale, MJ. 2001. Biochem Biophys Res Commun. 285: 598-602. PMID: 11453634
  5. Two mRNAs exist for the Hs PROS-30 gene encoding a component of human prosomes.  |  Silva Pereira, I., et al. 1992. Gene. 120: 235-42. PMID: 1398136
  6. The oncoprotein gankyrin negatively regulates both p53 and RB by enhancing proteasomal degradation.  |  Higashitsuji, H., et al. 2005. Cell Cycle. 4: 1335-7. PMID: 16177571
  7. The N-terminal penultimate residue of 20S proteasome alpha1 influences its N(alpha) acetylation and protein levels as well as growth rate and stress responses of Haloferax volcanii.  |  Humbard, MA., et al. 2009. J Bacteriol. 191: 3794-803. PMID: 19376868
  8. The Contribution of the 20S Proteasome to Proteostasis.  |  Kumar Deshmukh, F., et al. 2019. Biomolecules. 9: PMID: 31100951
  9. Proteasome subunit α1 overexpression preferentially drives canonical proteasome biogenesis and enhances stress tolerance in yeast.  |  Howell, LA., et al. 2019. Sci Rep. 9: 12418. PMID: 31455793
  10. The prosomal RNA-binding protein p27K is a member of the alpha-type human prosomal gene family.  |  Bey, F., et al. 1993. Mol Gen Genet. 237: 193-205. PMID: 7681138
  11. 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
  12. Molecular cloning of the Drosophila melanogaster gene alpha5_dm encoding a 20S proteasome alpha-type subunit.  |  Zaiss, D. and Belote, JM. 1997. Gene. 201: 99-105. PMID: 9409776

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

20S Proteasome α1 Antibody (C-7)

sc-166073
200 µg/ml
$316.00

20S Proteasome α1 Antibody (C-7): m-IgG Fc BP-HRP Bundle

sc-525756
200 µg Ab; 10 µg BP
$354.00

20S Proteasome α1 Antibody (C-7) AC

sc-166073 AC
500 µg/ml, 25% agarose
$416.00

20S Proteasome α1 Antibody (C-7) HRP

sc-166073 HRP
200 µg/ml
$316.00

20S Proteasome α1 Antibody (C-7) FITC

sc-166073 FITC
200 µg/ml
$330.00

20S Proteasome α1 Antibody (C-7) PE

sc-166073 PE
200 µg/ml
$343.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 488

sc-166073 AF488
200 µg/ml
$357.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 546

sc-166073 AF546
200 µg/ml
$357.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 594

sc-166073 AF594
200 µg/ml
$357.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 647

sc-166073 AF647
200 µg/ml
$357.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 680

sc-166073 AF680
200 µg/ml
$357.00

20S Proteasome α1 Antibody (C-7) Alexa Fluor® 790

sc-166073 AF790
200 µg/ml
$357.00

Are there any issues with using sc-166073: 20S Proteasome α1 (C-7) mouse monoclonal primary antibody on mouse samples?

Asked by: jerojero
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent,we recommend using a directly conjugated primary antibody. Please contact our special orders department for pricing and availability of sc-166073 conjugates.
Answered by: Technical Support
Date published: 2017-03-07
  • y_2025, m_12, d_5, h_10CST
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Rated 3 out of 5 by from Weak signalIncubation with this antibody 1:500, overnight, provides a weak signal. Two bands between 25 and 30 kDa were obtained.
Date published: 2017-12-07
Rated 3 out of 5 by from very weak, but specific bandTested in HeLa whole cell lysatesfor WB: band was pretty weak but highly specific!
Date published: 2016-12-05
Rated 4 out of 5 by from Worked well with transfected lysate by WBWorked well with transfected lysate by WB -SCBT QC
Date published: 2015-01-12
Rated 5 out of 5 by from WB publishable data with rat hippocampusWB publishable data with rat hippocampus - SCBT Publication Review
Date published: 2013-06-03
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20S Proteasome α1 Antibody (C-7) is rated 3.8 out of 5 by 4.
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