title: Hydrogen ion changes of rhodopsin I. Proton uptake during the metarhodopsin I 478  metarhodopsin II 308  reaction.
mesh_terms: D000818:Animals; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D003408:Cresols; D004589:Electrophoresis, Disc; D004591:Electrophoresis, Polyacrylamide Gel; D006859:Hydrogen; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D011522:Protons; D012168:Retinal Pigments; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature
chemical_list: D003408:Cresols; D011522:Protons; D012168:Retinal Pigments; D006859:Hydrogen