umls-concept:C0104230 | skos:definition | CSP: protein involved in deactivation of the enzyme cascade of phototransduction.,MSH: 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. | lld:umls |