Definition: A 48-Kd protein of the outer segment of the retinal rods and a component of the phototransduction cascade. Arrestin quenches G-protein activation by binding to phosphorylated photolyzed rhodopsin. Arrestin causes experimental autoimmune uveitis when injected into laboratory animals.
an eye protein; do not confuse with ARRESTINS
Other names S Antigen, Retinal; Retinal S Antigen; S-Antigen, Retinal; Retinal S-Antigen