opsin

General term for the apoproteins of the rhodopsin family.

Opsin

Opsins are a group of light-sensitive 35–55 kDa membrane-bound G protein-coupled receptors of the retinylidene protein family found in photoreceptor cells of the retina. Five classical groups of opsins are involved in vision, mediating the conversion of a photon of light into an electrochemical signal, the first step in the visual transduction c...
Found on http://en.wikipedia.org/wiki/Opsin

opsin

<protein> General term for the apoproteins of the rhodopsin family. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

opsin

(from the article `coloration`) Vision itself depends on a biochrome that consists of a protein, opsin, attached to a chromophore. The chromophore may be either retinal (vitamin ... Rhodopsin is made up of a protein called opsin and a photosensitive chemical derived from vitamin A, 11-cis-retinaldehyde. Photons of light entering ... ...
Found on http://www.britannica.com/eb/a-z/o/24

opsin

noun retinal protein formed by the action of light on rhodopsin
Found on https://www.encyclo.co.uk/local/20974

opsin

[n] - retinal protein formed by the action of light on rhodopsin
Found on http://www.webdictionary.co.uk/definition.php?query=opsin
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