Date published: 2026-4-5

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beta Arrestin 1/2 Antibody (A-1): sc-74591

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Datasheets
  • beta Arrestin 1/2 Antibody (A-1) is a mouse monoclonal IgG2a κ beta Arrestin 1/2 antibody, cited in 18 publications, provided at 200 µg/ml
  • raised against amino acids 7-290 mapping near the N-terminus of β-Arrestin-1 of human origin
  • beta Arrestin 1/2 Antibody (A-1) is recommended for detection of β-Arrestin-1 and β-Arrestin-2 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including porcine
  • Anti-beta Arrestin 1/2 Antibody (A-1) 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-IgGκ BP-HRP is the preferred secondary detection reagent for beta Arrestin 1/2 Antibody (A-1) for WB and IHC(P) applications. This reagent is now offered in a bundle with beta Arrestin 1/2 Antibody (A-1) (see ordering information below). For additional m-IgGκ BP conjugates see our complete list of Mouse IgG Binding Proteins.
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β-Arrestin-1/2 Antibody (A-1) is a mouse monoclonal IgG2a kappa light chain antibody designed to detect both β-Arrestin-1 and β-Arrestin-2 across multiple species including mouse, rat, human, bovine, and porcine. β-Arrestin-1/2 monoclonal antibody (A-1) is raised against amino acids 7-290 near the N-terminus of the human β-Arrestin-1 protein, ensuring reliable detection in applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). β-Arrestin-1 and β-Arrestin-2 are pivotal regulators of G protein-coupled receptor (GPCR) signaling, mediating receptor desensitization, internalization, and initiating alternative signaling pathways independent of G proteins. Structurally, both proteins consist of two distinct domains, the N-terminal domain and the C-terminal domain, which form a bilobal structure essential for their interaction with phosphorylated GPCRs and various signaling proteins. Post-translational modifications, such as phosphorylation and ubiquitination, play a significant role in modulating the functionality of β-Arrestins by regulating their interactions, stability, and localization within the cell. β-Arrestin-1 and β-Arrestin-2 interact with specific proteins including G protein-coupled receptor kinases (GRKs), clathrin, and the AP-2 adaptor complex, which are vital for receptor internalization and the formation of signaling complexes. These interactions are crucial for maintaining precise control over cellular responses to hormones, neurotransmitters, and sensory stimuli, thereby influencing processes such as hormone signaling, neurotransmission, and immune responses. Predominantly expressed in spleen and neuronal tissues, β-Arrestin-1 and β-Arrestin-2 are integral to maintaining cellular homeostasis and facilitating appropriate responses to extracellular stimuli. Anti-β-Arrestin-1/2 antibody (A-1) is recommended for researchers studying the structural and functional dynamics of β-Arrestin-mediated signaling pathways.

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

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

beta Arrestin 1/2 Antibody (A-1)

sc-74591
200 µg/ml
$322.00

beta Arrestin 1/2 Antibody (A-1): m-IgGκ BP-HRP Bundle

sc-521151
200 µg Ab, 40 µg BP
$361.00

beta Arrestin 1/2 Antibody (A-1) AC

sc-74591 AC
500 µg/ml, 25% agarose
$424.00

beta Arrestin 1/2 Antibody (A-1) HRP

sc-74591 HRP
200 µg/ml
$322.00

beta Arrestin 1/2 Antibody (A-1) FITC

sc-74591 FITC
200 µg/ml
$336.00

beta Arrestin 1/2 Antibody (A-1) PE

sc-74591 PE
200 µg/ml
$349.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 488

sc-74591 AF488
200 µg/ml
$364.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 546

sc-74591 AF546
200 µg/ml
$364.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 594

sc-74591 AF594
200 µg/ml
$364.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 647

sc-74591 AF647
200 µg/ml
$364.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 680

sc-74591 AF680
200 µg/ml
$364.00

beta Arrestin 1/2 Antibody (A-1) Alexa Fluor® 790

sc-74591 AF790
200 µg/ml
$364.00

What is the recommended secondary reagent to be used with this mouse monoclonal primary?

Asked by: jerojero
We recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 15
Date published: 2017-01-25
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Rated 5 out of 5 by from KO検証しました正常細胞とbeta-arrestin1/2 KO細胞で検証したところ、正常細胞でしかバンドが出ませんでした。特異性が高い抗体だと思います
Date published: 2021-11-30
Rated 5 out of 5 by from This antibody was goodThis antibody was used to detect the ARRB1 protein and ARRB2 protein in ARRB1-overexpressed A549 cells and ARRB2-overexpressed A549 cells
Date published: 2019-12-04
Rated 5 out of 5 by from Endogenous and recombinant beta-arrestin1 in WB/IFProduct sc-74591 detected a unique band in non-transfected HEK293 cells and an additional band corresponding to transfected beta-arrestin1 recombinant proteins when used at 1:600 ratio followed by fluorescent secondary antibody detection IRDye 800CW used at 1:10,000 ratio. It did not detect recombinant beta-arrestin2 overexpressed in HEK293T cells. Immunocytochemistry gave a cytoplasmic staining with a slight nuclear staining when used at 1:200 ratio in HEK293T cells.
Date published: 2019-04-26
Rated 4 out of 5 by from good1/400 dilution was used for WB, specific band was shown.
Date published: 2018-12-24
Rated 5 out of 5 by from Great antibody!It is a very good antibody for both western blots and IP!
Date published: 2018-10-28
Rated 5 out of 5 by from Good for IFThis β-Arrestin-1/2 antibody shows strong specific signal in IF staining in primary rat motor neuron.
Date published: 2017-11-06
Rated 4 out of 5 by from β-Arrestin-1/2 Antibody westernWe have received a free sample of th bArresting 1/2 antibody. I am satisfied with the western blot, it worked the way it is shown in the picture.
Date published: 2017-07-03
Rated 3 out of 5 by from Try and install the responseWB stripe is not clear Difficult to raise,WB strips are less miscellaneous,
Date published: 2017-06-28
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beta Arrestin 1/2 Antibody (A-1) is rated 4.7 out of 5 by 16.
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