Chapter 26. Rhodopsin


Karolina Miś, Dorota Bartusik-Aebisher, and David Aebisher
Medical College of The University of Rzeszów, Rzeszów, Poland

Part of the book: The Biochemical Guide to Proteins


Rhodopsin is a biological pigment that is found in abundance in the rod cells of the retina of the eye of human and is involved in the process of vision. Rhodopsin, a receptor protein involved in the vision process, is responsible for converting the light signal into a nerve impulse. Rhodopsin is very well suited for many studies, because in the natural environment it is present in sufficient amounts that are necessary for carrying out analyzes. Rhodopsin is a GPCR receptor that is present in both humans and animals. Diseases of the retina, such as macular degeneration, are characterized by the fact that the time needed to reconstitute rhodopsin is longer than in healthy people.

Keywords: rhodopsin, helices, metarodopsin, helical chains, photoactivation


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