2HIU: Nmr Structure Of Human Insulin In 20% Acetic Acid, Zinc-Free Structures
reference: Structure of a protein in a kinetic trap., Hua QX, Gozani SN, Chance RE, Hoffmann JA, Frank BH, Weiss MA, Nat Struct Biol 1995 Feb;2(2):129-38. PMID: 7749917

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