1KMF: Nmr Structure Of Human Insulin Mutant Ile-A2-Allo-Ile, His-B Pro-B28-Lys, Lys-B29-Pro, 15 Structures
reference: Chiral mutagenesis of insulin's hidden receptor-binding surface: structure of an allo-isoleucine(A2) analogue., Xu B, Hua QX, Nakagawa SH, Jia W, Chu YC, Katsoyannis PG, Weiss MA, J Mol Biol 2002 Feb 22;316(3):435-41. PMID: 11866509

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