4D4A:
reference: Evidence for a Boat Conformation at the Transition State of GH76 alpha-1,6-Mannanases-Key Enzymes in Bacterial and Fungal Mannoprotein Metabolism., Thompson AJ, Speciale G, Iglesias-Fernandez J, Hakki Z, Belz T, Cartmell A, Spears RJ, Chandler E, Temple MJ, Stepper J, Gilbert HJ, Rovira C, Williams SJ, Davies GJ, Angew Chem Int Ed Engl. 2015 Mar 13. doi: 10.1002/anie.201410502. PMID: 25772148

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