title: The preparation of two mutant forms of human insulin, containing leucine in position B24 or B25, by  enzyme-assisted synthesis.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003920:Diabetes Mellitus / Q000097:blood / Q000235:genetics; D006801:Humans; D007328:Insulin / Q000097:blood / Q000138:chemical synthesis* / Q000235:genetics; D007930:Leucine; D008722:Methods; D009154:Mutation; D014357:Trypsin
chemical_list: D000596:Amino Acids; D007328:Insulin; D014357:Trypsin; D007930:Leucine