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Merck

G0296

Sigma-Aldrich

AntiGRK2 antibody produced in rabbit

enhanced validation

affinity isolated antibody, buffered aqueous solution

Sinónimos:

Anti-</HIDE >G Protein-dependent receptor kinase 2, Anti-β-ARK1, Anti-β-Adrenergic receptor kinase-1, Anti-ADRBK1, Anti-BARK1

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~80 kDa

species reactivity

human

enhanced validation

recombinant expression
Learn more about Antibody Enhanced Validation

technique(s)

western blot: 0.5-1 μg/mL using HEK-293T cells expressing human GRK2 or Jurkat cell lysate

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... ADRBK1(156)

Categorías relacionadas

General description

G protein-coupled receptor kinases (GRK2) belongs to the GRK family that includes seven known GRKs, termed as GRK1-7. It is also known as β-adrenergic receptor kinase-1 (β-ARK1) and ADRBK1. It regulates the activity of G protein-coupled receptors (GPCRs). GRKs facilitate the uncoupling of GPCRs from G proteins, and participate directly in receptor endocytosis and trafficking, and modulation of ERK/MAPK cascade by GPCRs. It phosphorylates the activated form of the β2-adrenergic receptor (β2-AR) and related GPCRs. The GRK2 activity is regulated by different mechanisms including phosphorylation by kinases such as PKC, Src, ERK1/2 and p38MAPK. Phosphorylated ERK inactivates GRK2 on Ser670 in a negative feedback mechanism.

Immunogen

Synthetic peptide corresponding to amino acids 674-689 located at the C-terminus of human GRK2/βARK1, conjugated to KLH. The immunizing sequence is specific to GRK2 (not found in human GRK1, and GRK3-7). It is identical in dog GRK2 and highly conserved (single amino acid substitution) in rat, mouse, and bovine GRK2/βARK1.

Application

Anti-GRK2 antibody is suitable for western blots of cortical synaptoneurosomes to study the β-arrestin-1 and ERK protein expression. It is also suitable for western blot at a concentration of 0.5-1μg/mL using HEK-293T cells expressing human GRK2 or Jurkat cell lysate.

Biochem/physiol Actions

G protein-coupled receptor kinase 2 (GRK2) is involved in the pathogenesis of chronic heart failure.

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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Petronila Penela et al.
Cellular signalling, 15(11), 973-981 (2003-09-23)
G protein-coupled receptor kinases (GRKs) are key modulators of G protein-coupled receptor signalling. Increasing evidence points to the occurrence of complex mechanisms able to modulate the subcellular localization, activity and expression levels of GRKs, revealing new functional interactions of these
Ruxu Zhai et al.
International journal of molecular sciences, 23(5) (2022-03-11)
G-protein coupled receptor (GPCR) kinase 2 (GRK2) is upregulated in heart failure (HF) patients and mouse models of cardiac disease. GRK2 is a regulator of β-adrenergic receptors (βARs), a GPCR involved in ionotropic and chronotropic responses. We and others have
Rolf Schreckenberg et al.
Journal of the American Heart Association, 6(12) (2017-12-24)
Ischemic preconditioning (IPC) and ischemic postconditioning (IPoC) are currently among the most efficient strategies protecting the heart against ischemia/reperfusion injury. However, the effect of IPC and IPoC on functional recovery following ischemia/reperfusion is less clear, particularly with regard to the
Adrenal GRK2 upregulation mediates sympathetic overdrive in heart failure
Lymperopoulos A, et al.
Nature Medicine, 13(3), 315-315 (2007)
J A Pitcher et al.
Annual review of biochemistry, 67, 653-692 (1998-10-06)
G protein-coupled receptor kinases (GRKs) constitute a family of six mammalian serine/threonine protein kinases that phosphorylate agonist-bound, or activated, G protein-coupled receptors (GPCRs) as their primary substrates. GRK-mediated receptor phosphorylation rapidly initiates profound impairment of receptor signaling, or desensitization. This

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