title: Studies on polypeptides. LI. Application of S-ethylcarbamoylcysteine to the synthesis of a protected hepatetracontapeptide related to the primary sequence of ribonuclease T 1 .
mesh_terms: D000595:Amino Acid Sequence; D002219:Carbamates; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D003545:Cysteine; D009904:Optical Rotation; D010455:Peptides / Q000138:chemical synthesis*; D012260:Ribonucleases / Q000138:chemical synthesis*
chemical_list: D002219:Carbamates; D010455:Peptides; D012260:Ribonucleases; D003545:Cysteine