4X8O:
reference: Structural basis for catalytically restrictive dynamics of a high-energy enzyme state., Kovermann M, Aden J, Grundstrom C, Elisabeth Sauer-Eriksson A, Sauer UH, Wolf-Watz M, Nat Commun. 2015 Jul 3;6:7644. doi: 10.1038/ncomms8644. PMID: 26138143

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