3ZS2: Tyrb25,Nmepheb26,Lysb28,Prob29-Insulin Analogue Crystal Structure
reference: Non-equivalent Role of Inter- and Intramolecular Hydrogen Bonds in the Insulin Dimer Interface., Antolikova E, Zakova L, Turkenburg JP, Watson CJ, Hanclova I, Sanda M, Cooper A, Kraus T, Brzozowski AM, Jiracek J, J Biol Chem. 2011 Oct 21;286(42):36968-77. Epub 2011 Aug 31. PMID: 21880708

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