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AB137666

Anti-GRK2 antibody - C-terminal

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(5 Publications)

Rabbit Polyclonal GRK2 antibody. Suitable for IHC-P, WB, ICC/IF, IP and reacts with Human, Mouse, Rat samples. Cited in 5 publications. Immunogen corresponding to Synthetic Peptide within Human GRK2 aa 450 to C-terminus.

View Alternative Names

ADRBK1, BARK, BARK1, GRK2, Beta-adrenergic receptor kinase 1, Beta-ARK-1, G-protein coupled receptor kinase 2

8 Images
Immunocytochemistry/ Immunofluorescence - Anti-GRK2 antibody - C-terminal (AB137666)
  • ICC/IF

Unknown

Immunocytochemistry/ Immunofluorescence - Anti-GRK2 antibody - C-terminal (AB137666)

Confocal immunofluorescence analysis of methanol-fixed HeLa cells, labelling GRK2 (Green) with ab137666 at 1/100 dilution. Alpha-tubulin filaments were also labelled (Red).

Immunocytochemistry/ Immunofluorescence - Anti-GRK2 antibody - C-terminal (AB137666)
  • ICC/IF

Supplier Data

Immunocytochemistry/ Immunofluorescence - Anti-GRK2 antibody - C-terminal (AB137666)

Immunofluorescence analysis of HeLa cells fixed in ice-cold MeOH for 5 min labelling GRK2 protein at cytoplasm using ab137666 at a 1/1000 dilution (Green). alpha Tubulin, a cytoskeleton marker, stained by alpha Tubulin antibody at a 1/1000 dilution (Red). DAPI was used for nuclear staining (Blue).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRK2 antibody - C-terminal (AB137666)
  • IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GRK2 antibody - C-terminal (AB137666)

Immunohistochemical analysis of paraffin-embedded OVCAR3 xenograft labelling GRK2 with ab137666 at 1/500 dilution.

Immunoprecipitation - Anti-GRK2 antibody - C-terminal (AB137666)
  • IP

Supplier Data

Immunoprecipitation - Anti-GRK2 antibody - C-terminal (AB137666)

Immunoprecipitation of GRK2 protein from Jurkat whole cell extracts using 5 µg of GRK2 antibody [C2C3], C-term. Western blot analysis was performed using GRK2 antibody [C2C3], C-term.

All lanes:

Immunoprecipitation - Anti-GRK2 antibody - C-terminal (ab137666) at 5 µg

Lane 1:

Jurkat whole cell extracts with control IgG

Lane 2:

Jurkat whole cell extracts

Secondary

All lanes:

EasyBlot HRP-conjugated anti rabbit IgG antibody

Predicted band size: 80 kDa

false

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)
  • WB

Supplier Data

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)

Samples were separated by 7.5% SDS-PAGE.

All lanes:

Western blot - Anti-GRK2 antibody - C-terminal (ab137666) at 1/1000 dilution

Lane 1:

Non-transfected 293T whole cell extracts at 30 µg

Lane 2:

Transfected 293T whole cell extracts at 30 µg

Secondary

All lanes:

HRP-conjugated anti-rabbit IgG

Predicted band size: 80 kDa

false

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)
  • WB

Supplier Data

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)

Samples were separated by 7.5% SDS-PAGE.

All lanes:

Western blot - Anti-GRK2 antibody - C-terminal (ab137666) at 1/1000 dilution

Lane 1:

Jurkat whole cell extracts at 30 µg

Lane 2:

Raji whole cell extracts at 30 µg

Lane 3:

NCI-H929 whole cell extracts at 30 µg

Secondary

All lanes:

HRP-conjugated anti-rabbit IgG

Predicted band size: 80 kDa

false

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)
  • WB

Supplier Data

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)

Samples were separated by 7.5% SDS-PAGE.

All lanes:

Western blot - Anti-GRK2 antibody - C-terminal (ab137666) at 1/1000 dilution

Lane 1:

Wild-type GRK2 293T cell extracts at 30 µg

Lane 2:

GRK2 knockout 293T cell extracts at 30 µg

Secondary

All lanes:

HRP-conjugated anti-rabbit IgG

Predicted band size: 80 kDa

false

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)
  • WB

Supplier Data

Western blot - Anti-GRK2 antibody - C-terminal (AB137666)

Samples were separated by 12% SDS-PAGE.

All lanes:

Western blot - Anti-GRK2 antibody - C-terminal (ab137666) at 1/1000 dilution

Lane 1:

Neuro2A whole cell extracts at 30 µg

Lane 2:

NIH-3T3 whole cell extracts at 30 µg

Lane 3:

Raw264.7 whole cell extracts at 30 µg

Lane 4:

C2C12 whole cell extracts at 30 µg

Secondary

All lanes:

HRP-conjugated anti-rabbit IgG

Predicted band size: 80 kDa

false

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Mouse, Rat, Human

Applications

ICC/IF, WB, IHC-P, IP

applications

Immunogen

Synthetic Peptide within Human GRK2 aa 450 to C-terminus. The exact immunogen used to generate this antibody is proprietary information.

P25098

Reactivity data

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Storage buffer
pH: 7 Preservative: 0.025% Proclin 300 Constituents: PBS, 20% Glycerol (glycerin, glycerine)
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The protein GRK2 also known as G protein-coupled receptor kinase 2 is an important enzyme involved in the regulation of G protein-coupled receptors (GPCRs). It has a molecular weight of approximately 80 kilodaltons. GRK2 is widely expressed in many tissues especially in the heart and brain where it plays an important role in cellular signaling processes. Its primary action is phosphorylating activated GPCRs which leads to receptor desensitization and downregulation modulating cellular responses to stimuli.
Biological function summary

GRK2 acts by coordinating with other proteins to regulate signal transduction pathways. It usually forms a complex with arrestins which prevent further signaling by blocking G protein coupling and directing receptors towards internalization pathways. This kinase acts to modulate receptor activity and maintain cellular homeostasis. GRK2 is essential for preventing overstimulation of cells playing a role in neurobiology and cardiology.

Pathways

GRK2 plays an important role in the adrenergic receptor signaling pathways including the beta-adrenergic and alpha-adrenergic pathways. It participates in the regulation of cardiac output and vascular tone by influencing the response of cells to catecholamines like adrenaline and noradrenaline. Proteins related to GRK2 in these pathways include adrenergic receptor subtypes and arrestin proteins. Voltage-gated calcium channels also interact with GRK2 linking it to calcium signaling pathways vital for muscle contraction and neurotransmitter release.

Research highlights GRK2's involvement in heart failure and hypertension. In heart failure elevated levels of GRK2 correlate with worsened cardiac function due to impaired beta-adrenergic receptor signaling. GRK2 is also linked to the development of hypertension through its effects on vascular smooth muscle cells and blood pressure regulation. Its interaction with proteins like arrestins suggests potential therapeutic targets for these cardiovascular conditions. Understanding and modulating GRK2 activity might offer approaches to treat these disorders.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Specifically phosphorylates the agonist-occupied form of the beta-adrenergic and closely related receptors, probably inducing a desensitization of them (PubMed : 19715378). Phosphorylates catecholamine-activated ADRB2 to regulate physiological cardiomyocyte contraction rate responses (By similarity). Also phosphorylates ligand-bound C3a and C5a anaphylatoxin receptors (C3AR1 and C5AR1, respectively), leading to receptor desensitization (PubMed : 21799898, PubMed : 23077507). Key regulator of LPAR1 signaling (PubMed : 19306925). Competes with RALA for binding to LPAR1 thus affecting the signaling properties of the receptor (PubMed : 19306925). Desensitizes LPAR1 and LPAR2 in a phosphorylation-independent manner (PubMed : 19306925). Positively regulates ciliary smoothened (SMO)-dependent Hedgehog (Hh) signaling pathway by facilitating the trafficking of SMO into the cilium and the stimulation of SMO activity (By similarity). Inhibits relaxation of airway smooth muscle in response to blue light (PubMed : 30284927).
See full target information GRK2

Publications (5)

Recent publications for all applications. Explore the full list and refine your search

Cell reports 38:110255 PubMed35045279

2022

Presynaptic mechanisms underlying GABA-receptor-mediated inhibition of spontaneous neurotransmitter release.

Applications

Unspecified application

Species

Unspecified reactive species

Baris Alten,Natalie J Guzikowski,Zack Zurawski,Heidi E Hamm,Ege T Kavalali

Genetics and molecular biology 44:e20200463 PubMed34807222

2021

Overexpression of RAPGEF3 enhances the therapeutic effect of dezocine in treatment of neuropathic pain.

Applications

Unspecified application

Species

Unspecified reactive species

Xue Liu,Li Song,Xiaojun Ma,Yong Liu,Hui Huang,Yongsheng Xu,Wei Yan

Immunology and cell biology 97:902-915 PubMed31472096

2019

LDK378 inhibits the recruitment of myeloid-derived suppressor cells to spleen via the p38-GRK2-CCR2 pathway in mice with sepsis.

Applications

Unspecified application

Species

Unspecified reactive species

Jie Hu,Wenqin Zhang,Yanjuan Liu,Yang Yang,Chuyi Tan,Xue Wei,Yufang Wang,Sipin Tan,Meidong Liu,Ke Liu,Ying Liu,Huali Zhang,Xianzhong Xiao

Journal of dairy science 99:5828-5836 PubMed27132107

2016

The effect of G protein-coupled receptor kinase 2 (GRK2) on lactation and on proliferation of mammary epithelial cells from dairy cows.

Applications

Unspecified application

Species

Unspecified reactive species

Xiaoming Hou,Hongliu Hu,Ye Lin,Bo Qu,Xuejun Gao,Qingzhang Li

World journal of gastroenterology 19:3969-79 PubMed23840141

2013

Roles of BN52021 in platelet-activating factor pathway in inflammatory MS1 cells.

Applications

WB

Species

Mouse

Shi-Hai Xia,Xiao-Hui Xiang,Kai Chen,Wei Xu
View all publications

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