6RB3:
reference: Structural basis for recognition and ring-cleavage of the Pseudomonas quinolone signal (PQS) by AqdC, a mycobacterial dioxygenase of the alpha/beta-hydrolase fold family., Wullich SC, Kobus S, Wienhold M, Hennecke U, Smits SHJ, Fetzner S, J Struct Biol. 2019 Jun 19. pii: S1047-8477(19)30135-2. doi:, 10.1016/j.jsb.2019.06.006. PMID: 31228546

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