title: Low temperature circular dichroism of tyrosyl and tryptophanyl diketopiperazines.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002942:Circular Dichroism; D003080:Cold Temperature; D004151:Dipeptides; D008956:Models, Chemical; D008961:Models, Structural; D010879:Piperazines; D014364:Tryptophan; D014443:Tyrosine; D014466:Ultraviolet Rays
chemical_list: D004151:Dipeptides; D010879:Piperazines; D014443:Tyrosine; D014364:Tryptophan