Trans to cis isomerization of urocanic acid.
D000818:Animals; D001345:Autoradiography; D002854:Chromatography, Paper; D002934:Cinnamates; D006168:Guinea Pigs; D007093:Imidazoles / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D011830:Radiation Effects; D012867:Skin / Q000032:analysis; D014466:Ultraviolet Rays
D002934:Cinnamates; D007093:Imidazoles