title: On the state of chromophore protonation in rhodopsin: implication for primary photochemistry in visual pigments.
mesh_terms: D000818:Animals; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D010777:Photochemistry; D011522:Protons; D012168:Retinal Pigments / Q000528:radiation effects*; D012243:Rhodopsin / Q000528:radiation effects*
chemical_list: D011522:Protons; D012168:Retinal Pigments; D012243:Rhodopsin