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Human Beta-arrestin-2 (aa 1-409)
ARB2 Swiss Prot#
P32121
ARB2 Protein names
Beta-arrestin-2 (Arrestin beta-2)
ARB2 Gene names
ARRB2 ARB2 ARR2
Organism
Human
ARB2 Entry name
ARRB2_HUMAN
ARB2 Codon optimized cDNA(gene) Clone
ARB2 Cat #
RPX0733
Tag
ARB2 contains A 6x histidine tag
ARB2 Formulation
Liquid
ARB2 Storage
Storage at -20℃ to −80℃ Upon receipt. Avoid repeated freeze-thaw cycles.
ARB2 Applications
Applications: 1. Codon-optimized cDNA(gene) sequence designed for protein production in both E.coli and Mammalian cell. The cDNA(gene) has been cloned into E.coli expression vector with 6x Histidine tag.2. May be used as RNAi assistance to restore the loss-of-function.
Recombinant ARB2 Protein
ARB2 Cat #
PX0733
ARB2 Source
recombinant
ARB2 Applications
Western Blot, SDS-Page or may be used for other applications determined by user
ARB2 Purity
>90%, as determined by SDS-PAGE under reducing conditions
ARB2 Activity
N/A
Tag
ARB2 Contains A 6x histidine tag
ARB2 Formulation
Liquid
ARB2 Storage
;. Storage at -20℃ to −80℃ Upon receipt. Avoid repeated freeze-thaw cycles.
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ARB2 family
Arrestin family
ARB2 Subcellular locations
Cytoplasm. Nucleus. Cell membrane. Membrane > clathrin-coated pit. Cytoplasmic vesicle.
ARB2 FUNCTION According to UniProtKB Swiss Prot
FUNCTION: Functions in regulating agonist-mediated G-protein coupled receptor (GPCR) signaling by mediating both receptor desensitization and resensitization processes. During homologous desensitization, beta-arrestins bind to the GPRK-phosphorylated receptor and sterically preclude its coupling to the cognate G-protein; the binding appears to require additional receptor determinants exposed only in the active receptor conformation. The beta-arrestins target many receptors for internalization by acting as endocytic adapters (CLASPs, clathrin-associated sorting proteins) and recruiting the GPRCs to the adapter protein 2 complex 2 (AP-2) in clathrin-coated pits (CCPs). However, the extent of beta-arrestin involvement appears to vary significantly depending on the receptor, agonist and cell type. Internalized arrestin-receptor complexes traffic to intracellular endosomes, where they remain uncoupled from G-proteins. Two different modes of arrestin-mediated internalization occur. Class A receptors, like ADRB2, OPRM1, ENDRA, D1AR and ADRA1B dissociate from beta-arrestin at or near the plasma membrane and undergo rapid recycling. Class B receptors, like AVPR2, AGTR1, NTSR1, TRHR and TACR1 internalize as a complex with arrestin and traffic with it to endosomal vesicles, presumably as desensitized receptors, for extended periods of time. Receptor resensitization then requires that receptor-bound arrestin is removed so that the receptor can be dephosphorylated and returned to the plasma membrane. Involved in Toll-like receptor and IL-1 receptor signaling through the interaction with TRAF6 which prevents TRAF6 autoubiquitination and oligomerization required for activation of NF-kappa-B and JUN.
ARB2 Sequence
DDBJ EMBL GenBank
ARB2 3D structure
ModBase
ARB2 interaction
STRING
ARB2 Proteomic
PRIDE
ARB2 Genome annotation
Ensembl GeneID KEGG UCSC
ARB2 Organism specific
CTD MGI
ARB2 Phylogenomics
eggNOG GeneTree HOGENOM HOVERGEN

InParanoid OrthoDB PhylomeDB OMA
ARB2 Gene expression
Bgee ArrayExpress Genevestigator
ARB2 Family and domain
InterPro PROSITE ProtoNet
FOR in vitro RESEARCH USE ONLY