Projection structure of rhodopsin

Abstract

LIGHT absorption by the visual pigment rhodopsin1,2 triggers, through G-protein coupling, a cascade of events in the outer segment of the rod cell of the vertebrate retina that results in membrane hyperpolarization and nerve excitation3–5. Rhodopsin, which contains 348 amino acids6–8, has seven helices that cross the disk membrane6,9 and its amino terminus… (More)
DOI: 10.1038/362770a0

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