Arrestin

**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.

**Tree numbers:** - D12.644.360.024.098.050 - D12.776.157.057.005.050 - D12.776.306.090.050 - D12.776.476.024.104.050 - D12.776.543.090.050 - D23.050.301.280

**Synonyms:** - Retinal S-Antigen - S-Antigen, Retinal