Canadian Medical Guide > Chemicals and Drugs > Amino Acids, Peptides, and Proteins > Proteins > Eye Proteins > Arrestins Terms and Definitions




Arrestins

Medical Definition: Regulatory proteins that down-regulate phosphorylated G-protein membrane receptors, including rod and cone photoreceptors and adrenergic receptors.
Guide Notes: regulatory proteins; do not confuse with ARRESTIN
Previously Indexed: Antigens (1992-1996),Eye Proteins (1992-1996)
Arrestins Categories.
Canadian Medical Guide Definition Arrestin - 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.

Arrestins Medical Definitions and Terms

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