title: Photochemical cis-trans isomerisation of bovine rhodopsin at liquid helium temperatures.
mesh_terms: D000818:Animals; D002417:Cattle; D003080:Cold Temperature; D066298:In Vitro Techniques; D007536:Isomerism; D010777:Photochemistry; D012168:Retinal Pigments; D012172:Retinaldehyde; D012243:Rhodopsin; D013059:Spectrum Analysis, Raman; D013816:Thermodynamics
chemical_list: D012168:Retinal Pigments; D012243:Rhodopsin; D012172:Retinaldehyde