Anti-ARR1 antibodies are protein reagents that detect specific antigens. The ARR1 antigen is another term for the human protein arrestin beta 1, encoded by the ARRB1 gene. The protein is reported to function in regulating agonist-mediated G-protein coupled receptor (GPCR) signaling by mediating both receptor desensitization and resensitization processes. Canonically, it has an amino acid length of 418 residues and a mass of 47.1 kilodaltons. Its subcellular localization is in the cell membrane, nucleus, cytoplasmic vesicles, and cytoplasm and it is widely expressed in many tissue types. The ARR1 protein is a member of the Arrestin protein family. Other alias names for ARR1 include ARB1. Western Blot is the most common application for the ARR1 antibodies listed below. ELISA and Immunohistochemistry are also common applications.