Thermo Fisher Scientific beta Arrestin 1 Polyclonal Antibody

Applications

Western Blot (WB)

• Tested Dilution: 0.1–0.5 µg/mL

Immunohistochemistry (Paraffin) (IHC (P))

• Tested Dilution: 0.5–1 µg/mL

Product Specifications

Product Specific Information

Reconstitute with 0.2 mL of distilled water to yield a concentration of 500 µg/mL.

Target Information

Beta Arrestin 1 is a member of a family of proteins widely expressed but especially abundant in the central nervous system. Serving as an adaptor or scaffold molecule, beta Arrestin 1 is essential for mitogenic signaling and mediates agonist-dependent desensitization and internalization of G protein-coupled receptors (GPCRs, e.g., beta 2-adrenergic receptor).
After binding to their ligand and interacting with heterotrimeric G proteins, GPCRs are phosphorylated by G-protein receptor kinases (GRKs) on serine residues. Beta Arrestin 1 in the cytosol is phosphorylated by ERK1 and 2 on serine412 in a negative feedback mechanism and binds to the phosphorylated receptors at the plasma membrane. Serine 412 is then dephosphorylated and the GPCRs are internalized, leading to activation of the Ras, Raf, ERK1 and 2 signaling pathway.

⚠ WARNING: This product can expose you to chemicals including mercury, which is known to the State of California to cause birth defects or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

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