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rhodopsin
medical dictionary

<protein>

Light sensitive pigment formed from retinal linked through a Schiff's base to opsin: rhodopsin is an integral membrane protein found in the discs of retinal rods and cones, comprising some 40% of the membrane. Vertebrate opsins are proteins of 38 kD.

See: bacteriorhodopsin.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)