β-Arrestin 1 (D8O3J) Rabbit Antibody

INQUIRY

CAT. NO.: AMA-0517

Target Information
UniProt ID	P49407

Product Details
Size	100 µL
Reactivity	Human, Mouse, Rat
Host	Rabbit
Source/Isotype	Rabbit IgG
Storage	Store at -20°C. Do not aliquot the antibody.
Purification	Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human β-arrestin 1 protein.

Usage
Application	WB, IP
Product Usage Information Dilution	Western Blotting (1:1000); Immunoprecipitation (1:200)
MW (Target)	51 kDa

Background
Arrestin proteins function as negative regulators of G protein-coupled receptor (GPCR) signaling. Cognate ligand binding stimulates GPCR phosphorylation, which is followed by binding of arrestin to the phosphorylated GPCR and the eventual internalization of the receptor and desensitization of GPCR signaling Four distinct mammalian arrestin proteins are known. Arrestin 1 (also known as S-arrestin) and arrestin 4 (X-arrestin) are localized to retinal rods and cones, respectively. Arrestin 2 (also known as β-arrestin 1) and arrestin 3 (β-arrestin 2) are ubiquitously expressed and bind to most GPCRs β-arrestins function as adaptor and scaffold proteins and play important roles in other processes, such as recruiting c-Src family proteins to GPCRs in Erk activation pathways β-arrestins are also involved in some receptor tyrosine kinase signaling pathways Additional evidence suggests that β-arrestins translocate to the nucleus and help regulate transcription by binding transcriptional cofactors.A research study has shown that non-visual β-arrestins respond to glucocorticoid signaling, with differential responses observed among family members. Specifically, β-arrestin 1 expression is increased in response to glucocorticoid receptor activation whereas β-arrestin 2 shows a concomitant decrease in expression.

Background

Arrestin proteins function as negative regulators of G protein-coupled receptor (GPCR) signaling. Cognate ligand binding stimulates GPCR phosphorylation, which is followed by binding of arrestin to the phosphorylated GPCR and the eventual internalization of the receptor and desensitization of GPCR signaling Four distinct mammalian arrestin proteins are known. Arrestin 1 (also known as S-arrestin) and arrestin 4 (X-arrestin) are localized to retinal rods and cones, respectively. Arrestin 2 (also known as β-arrestin 1) and arrestin 3 (β-arrestin 2) are ubiquitously expressed and bind to most GPCRs β-arrestins function as adaptor and scaffold proteins and play important roles in other processes, such as recruiting c-Src family proteins to GPCRs in Erk activation pathways β-arrestins are also involved in some receptor tyrosine kinase signaling pathways Additional evidence suggests that β-arrestins translocate to the nucleus and help regulate transcription by binding transcriptional cofactors.A research study has shown that non-visual β-arrestins respond to glucocorticoid signaling, with differential responses observed among family members. Specifically, β-arrestin 1 expression is increased in response to glucocorticoid receptor activation whereas β-arrestin 2 shows a concomitant decrease in expression.

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