title: Synthetic study of the effect of tyrosine at position 120 of ribonuclease.
mesh_terms: D000409:Alanine; D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001188:Artiodactyla; D002417:Cattle; D002855:Chromatography, Thin Layer; D004586:Electrophoresis; D010179:Pancreas / Q000201:enzymology; D010446:Peptide Fragments / Q000032:analysis; D010649:Phenylalanine; D012260:Ribonucleases / Q000032:analysis; D013696:Temperature; D014443:Tyrosine / Q000032:analysis
chemical_list: D000596:Amino Acids; D010446:Peptide Fragments; D014443:Tyrosine; D010649:Phenylalanine; D012260:Ribonucleases; D000409:Alanine