Date published: 2026-4-5

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beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1): sc-81577

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  • beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) is a mouse monoclonal IgG1 κ, cited in 17 publications, provided at 200 µg/ml
  • raised against purified, intact β2-adrenergic receptor of human origin
  • beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) is recommended for detection of β2-AR of human origin by WB, IP, IF, IHC(P) and FCM
  • Anti-beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) 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, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) for WB and IHC(P) applications. These reagents are now offered in bundles with beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) (see ordering information below).
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β2-AR Antibody (R11E1) is a mouse monoclonal IgG1 kappa light chain antibody that detects β2-adrenergic receptor (β2-AR) of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and flow cytometry (FCM). β2-AR Antibody (R11E1) 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, providing versatility for different experimental needs. β2-AR plays a crucial role in mediating the physiological effects of catecholamines, such as epinephrine and norepinephrine, which are vital for regulating numerous processes including cardiac function, smooth muscle relaxation, and metabolic pathways. Located primarily on the plasma membrane of various cell types, β2-AR is a G protein-coupled receptor that transmits signals through heterotrimeric G proteins, leading to the activation of adenylyl cyclase and subsequent increases in cyclic AMP levels. This signaling pathway is essential for the modulation of heart rate and contractility, as well as the relaxation of bronchial smooth muscle, making β2-AR a significant target for therapeutic interventions in conditions such as asthma and heart failure. The intricate structure of β2-AR, characterized by seven transmembrane helices, allows for specific ligand binding and activation, which is further fine-tuned by post-translational modifications and interactions with various intracellular signaling partners, ensuring precise physiological responses to hormonal stimuli.

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

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) References:

  1. From ligand binding to gene expression: new insights into the regulation of G-protein-coupled receptors.  |  Collins, S., et al. 1992. Trends Biochem Sci. 17: 37-9. PMID: 1316650
  2. Model systems for the study of seven-transmembrane-segment receptors.  |  Dohlman, HG., et al. 1991. Annu Rev Biochem. 60: 653-88. PMID: 1652922
  3. Regulation of adrenergic receptor responsiveness through modulation of receptor gene expression.  |  Collins, S., et al. 1991. Annu Rev Physiol. 53: 497-508. PMID: 2042970
  4. The new biology of drug receptors.  |  Lefkowitz, RJ., et al. 1989. Biochem Pharmacol. 38: 2941-8. PMID: 2551299
  5. β2-AR signaling controls trastuzumab resistance-dependent pathway.  |  Liu, D., et al. 2016. Oncogene. 35: 47-58. PMID: 25798840
  6. Human Brown Adipocyte Thermogenesis Is Driven by β2-AR Stimulation.  |  Blondin, DP., et al. 2020. Cell Metab. 32: 287-300.e7. PMID: 32755608
  7. Chronic stress promotes colorectal cancer progression by enhancing glycolysis through β2-AR/CREB1 signal pathway.  |  Guan, Y., et al. 2023. Int J Biol Sci. 19: 2006-2019. PMID: 37151872
  8. Macrophage β2-AR activation amplifies inflammation in wound healing by upregulating Trem1 via the cAMP/PKA/CREB pathway.  |  Wei, H., et al. 2024. Int Immunopharmacol. 128: 111463. PMID: 38190789
  9. Olodaterol promotes thermogenesis in brown adipocytes via regulation of the β2-AR/cAMP/PKA signaling pathway.  |  Wang, L., et al. 2024. Biochem Biophys Res Commun. 703: 149689. PMID: 38382361
  10. An approach to the study of G-protein-coupled receptor kinases: an in vitro-purified membrane assay reveals differential receptor specificity and regulation by G beta gamma subunits.  |  Pei, G., et al. 1994. Proc Natl Acad Sci U S A. 91: 3633-6. PMID: 8170959
  11. Functionally active targeting domain of the beta-adrenergic receptor kinase: an inhibitor of G beta gamma-mediated stimulation of type II adenylyl cyclase.  |  Inglese, J., et al. 1994. Proc Natl Acad Sci U S A. 91: 3637-41. PMID: 8170960
  12. Recent perspectives on the molecular structure and regulation of the beta 2-adrenoceptor.  |  Collins, S. 1993. Life Sci. 52: 2083-91. PMID: 8389951

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1)

sc-81577
200 µg/ml
$322.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1): m-IgG Fc BP-HRP Bundle

sc-528702
200 µg Ab; 10 µg BP
$361.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1): m-IgGκ BP-HRP Bundle

sc-521170
200 µg Ab, 40 µg BP
$361.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1): m-IgG1 BP-HRP Bundle

sc-543073
200 µg Ab; 20 µg BP
$361.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) AC

sc-81577 AC
500 µg/ml, 25% agarose
$424.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) HRP

sc-81577 HRP
200 µg/ml
$322.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) FITC

sc-81577 FITC
200 µg/ml
$336.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) PE

sc-81577 PE
200 µg/ml
$349.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 488

sc-81577 AF488
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 546

sc-81577 AF546
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 594

sc-81577 AF594
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 647

sc-81577 AF647
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 680

sc-81577 AF680
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) Alexa Fluor® 790

sc-81577 AF790
200 µg/ml
$364.00

beta 2 Adrenergic Receptor/ADRB2/β2-AR 抗体 (R11E1) AC sc-81577 AC 500 µg/ml, 25% agarose 请问这款 81577AC ➕25%agarose是怎么使用的,是直接可以ip吗。里面的agarose什么作用

Asked by: drzzzz
Thanks for your question. Here is link for IP protocol: https://www.scbt.com/zh/resources/protocols/immunoprecipitation-western-blots. 感谢您的提问。免疫沉淀的实验链接详见:https://www.scbt.com/zh/resources/protocols/immunoprecipitation-western-blots。
Answered by: Yanru Tao
Date published: 2022-09-21

I would like to know if the B2-AR (R11E1): sc-81577 antibody contains the entire heavy chain + kappa light chain. I need the Fc region for proximity ligation assays. Thank you.

Asked by: KNMM
Thank you for your question. All our monoclonal antibodies are complete antibodies. They all contain two heavy chains and two light chains. We specify which type of light chain the antibody contains (kappa or lambda) for each antibody. This antibody has kappa light chains.
Answered by: Tech Service
Date published: 2019-06-24

Hi, What is the binding region of this antibody? Does it bind to extracellular part of the receptor? Thank you

Asked by: Kazzz
Thank you for your question. This antibody is specific for Lamin A/C. It was raised against purified, intact β2-AR of human origin, the exact epitope has not been mapped. If you have any further questions, please contact Technical Service.
Answered by: Tech Service
Date published: 2019-04-30

貴社のβ2-AR Antibody (R11E1)でリンパ球を染め,FMC解析をする場合、生細胞そのままで染色できますか?

Asked by: Yuetsu
Thank you for your question. Please contact our Technical Service Department and we will be happy to assist you. You may call us directly at 001 800-1338-3838, email at asia@scbio.cn, or contact us by live chat. お問い合わせを頂きまして、誠にありがとうございました。お手数ですが、電話 001 800-1338-3838、メールasia@scbio.cnまたはライブチャットで、当社のテクニカルサービスまでお問い合わせください。その他の不明点等がございましたら、またご連絡ください。
Answered by: Technical Support 8
Date published: 2018-12-21

Can β2-AR (R11E1): sc-81577 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Professor Griffin
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, β2-AR (R11E1): sc-81577 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-03-01
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Rated 1 out of 5 by from Does not IP endogeous or overexpressibg B2ARThis antibody did not immunoprecipitate the receptor In HEK293 cells that transiently overexpress it or in others that are know to endogenously express it to high levels.
Date published: 2018-09-17
Rated 5 out of 5 by from Good detectionI received this antibody as a free sample to test it in A204 cells
Date published: 2018-03-23
Rated 5 out of 5 by from Worked great for WBI obtained a sample of sc-81577 B2-AR (R11E1) [Lot#G1117] to test on human myoblasts transfected with a non-silencing control siRNA or siRNAs specific to ADRB2, the gene that encodes the B2-AR. Immunodetection via western blotting produced a clear B2-AR-specific band. In contrast, detection of the same samples using sc-271322 B2-AR (E-3) worked much less robustly.
Date published: 2017-08-31
Rated 5 out of 5 by from Excellent for IHC!This antibody is great for IHC on paraffin embedded tissue sections, strong and clean staining.
Date published: 2017-01-26
Rated 4 out of 5 by from Publishable data obtained by WB and coPublishable data obtained by WB and co-IP using human HEK293 cells. -SCBT Publication Review
Date published: 2015-05-12
Rated 4 out of 5 by from Paraformaldehyde fixed rabbit NPE cells analyzedParaformaldehyde fixed rabbit NPE cells analyzed with product sc-81577 in IF. -SCBT Publication Review
Date published: 2015-04-22
Rated 3 out of 5 by from Good specificity shown by using transfectedGood specificity shown by using transfected and non-transfected 293T cells for over-expression of the 2-AR protein via Western Blot analysis. -SCBT QC
Date published: 2015-04-11
Rated 3 out of 5 by from Produced nice immunoperoxidase cytoplasmicProduced nice immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human pancreas tissue. -SCBT QC
Date published: 2015-01-23
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beta 2 Adrenergic Receptor/ADRB2/β2-AR Antibody (R11E1) is rated 3.8 out of 5 by 8.
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