Noun
The visual purple. See under Visual.
Source: Webster's dictionaryAt first, the most light sensitive (containing more retinal) protein rhodopsin is influenced. Source: Internet
Kühne showed that rhodopsin in the retina is only regenerated when the retina is attached to retinal pigmented epithelium, which provides retinal. Source: Internet
When stimulated by light, rhodopsin splits into a protein and a cofactor: opsin and all-trans-retinal (a form of vitamin A). Source: Internet
Within the eye, 11-cis-retinal is bound to the protein " opsin " to form rhodopsin in rods and iodopsin ( cones ) at conserved lysine residues. Source: Internet
It is not a coincidence that this happens in the "visible range," as the mechanism of vision involves the change in bonding of a single molecule ( retinal ) which absorbs light in the rhodopsin in the retina of the human eye. Source: Internet
Since this loop constitutes the "lid" that covers the top of the ligand binding site, this conformational difference highlights the difficulties in constructing homology models of other GPCRs based only on the rhodopsin structure. Source: Internet