Effect of urea on the optical rotatory dispersion of diketopiperazines of L-serine, L-alanine, L-lysine, L-valine, and L-valylglycine.
D000409:Alanine; D000596:Amino Acids; D055598:Chemical Phenomena; D002621:Chemistry; D004151:Dipeptides; D005998:Glycine; D008239:Lysine; D008722:Methods; D009905:Optical Rotatory Dispersion; D010455:Peptides; D010879:Piperazines / Q000138:chemical synthesis; D012399:Rotation; D012694:Serine; D013053:Spectrophotometry; D013237:Stereoisomerism; D014466:Ultraviolet Rays; D014508:Urea; D014633:Valine; D014867:Water
D000596:Amino Acids; D004151:Dipeptides; D010455:Peptides; D010879:Piperazines; D014867:Water; D012694:Serine; D014508:Urea; D014633:Valine; D008239:Lysine; D000409:Alanine; D005998:Glycine