Internal protonation in retinylidene phosphatidylethanolamine and the red-shift in rhodopsin.
D003116:Color; D008956:Models, Chemical; D010714:Phosphatidylethanolamines; D012168:Retinal Pigments; D013057:Spectrum Analysis
D010714:Phosphatidylethanolamines; D012168:Retinal Pigments