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Immunohistochemistry analysis of formalin-fixed, paraffin-embedded human thyroid tissue stained using a ARRB2 polyclonal antibody (Product # PA5-23296) at 5 ug/ml. Staining of formalin-fixed tissues is enhanced by boiling tissue sections in 10 mM sodium citrate buffer, pH 6.0 for 10-20 min followed by cooling at RT for 20 min.
|Tested species reactivity||Bovine, Dog, Horse, Human, Mouse, Primate, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic peptide (LGKRDFVDHLDKVDPVDG (aa23-40)) of ARRB2 protein.|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS with 0.05% BSA|
|Contains||0.05% sodium azide|
|Storage Conditions||-20° C, Avoid Freeze/Thaw Cycles|
|Tested Applications||Dilution *|
|Immunohistochemistry (Paraffin) (IHC (P))||5 µg/ml|
|Western Blot (WB)||0.25-0.5 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Beta-arrestin-2, or ARRB2, is an adaptor protein belonging to the arrestin family with an N- arrestin domain and a C- arrestin domain. ARRB2 is a regulatory protein involved in heterotrimeric G protein-coupled receptor desensitization and is known to regulate beta2-adrenergic receptor (beta2AR) function by enhancing beta2AR mediated nuclear translocation of ERK. ARRB2 binds to phosphorylated beta2ARs, thereby causing a significant impairment of their capacity to activate G(S) proteins. Along with AIP4, ARRB2 acts as an endosomal sorting molecule that mediates CXCR4 entry into a degradative pathway. It may also be involved in hormone-specific desensitization of TSH receptors. ARRB2 is a Ca2+ binding protein of the retinal outer segments and binds to P-rhodopsin and is also involved in synaptic transmission in photoreceptor cells. It is widely expressed in most of the tissues, especially neuronal tissues and spleen.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
ARB2; ARR2; arrestin 3; arrestin beta-2; arrestin, beta 2; arrestin-3; BARR2; beta arr2; beta-arrestin-2
AI326910; ARB2; ARR2; ARRB2; AW122872; BARR2; BARRES; BOS_18747