title: Insulin-proinsulin, a new crystalline complex.
mesh_terms: D000818:Animals; D002417:Cattle; D003460:Crystallization; D004591:Electrophoresis, Polyacrylamide Gel; D007328:Insulin; D011384:Proinsulin; D011487:Protein Conformation; D013552:Swine; D014961:X-Ray Diffraction
chemical_list: D007328:Insulin; D011384:Proinsulin