title: Structural factors controlling the action of UV light in nucleic acids.
mesh_terms: D001483:Base Sequence; D002942:Circular Dichroism; D004247:DNA / Q000528:radiation effects*; D009690:Nucleic Acid Conformation / Q000528:radiation effects; D011067:Poly dA-dT / Q000528:radiation effects; D014466:Ultraviolet Rays
chemical_list: D011067:Poly dA-dT; D004247:DNA