5Y72:
reference: Two Distinct Substrate Binding Modes for the Normal and Reverse Prenylation of Hapalindoles by the Prenyltransferase AmbP3., Wong CP, Awakawa T, Nakashima Y, Mori T, Zhu Q, Liu X, Abe I, Angew Chem Int Ed Engl. 2018 Jan 8;57(2):560-563. doi: 10.1002/anie.201710682., Epub 2017 Dec 15. PMID: 29178634

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