title: Semi-synthesis of human insulin by trypsin-catalysed replacement of Ala-B30 by Thr in porcine insulin.
mesh_terms: D000409:Alanine; D000818:Animals; D006801:Humans; D007328:Insulin / Q000138:chemical synthesis*; D013552:Swine; D013912:Threonine; D014357:Trypsin
chemical_list: D007328:Insulin; D013912:Threonine; D014357:Trypsin; D000409:Alanine