6QLL:
reference: The UbiX flavin prenyltransferase reaction mechanism resembles class I terpene cyclase chemistry., Marshall SA, Payne KAP, Fisher K, White MD, Ni Cheallaigh A, Balaikaite A, Rigby SEJ, Leys D, Nat Commun. 2019 May 29;10(1):2357. doi: 10.1038/s41467-019-10220-1. PMID: 31142738

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