Ultraviolet photoproducts in ordered structures of poly U and their effects on secondary structure.
D000227:Adenine Nucleotides; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D011119:Polynucleotides; D011830:Radiation Effects; D013053:Spectrophotometry; D013096:Spermine; D014466:Ultraviolet Rays; D014500:Uracil Nucleotides
D000227:Adenine Nucleotides; D011119:Polynucleotides; D014500:Uracil Nucleotides; D013096:Spermine