ML318 is a biaryl nitrile inhibitor of PvdQ acylase with an IC50 of 20 nM by binding in the acyl-binding site. ML318 inhibits P. aeruginosa (PAO1) with an IC50 of 19 μM. ML318 prevents pyoverdine production and limits the growth of P. aeruginosa under iron-limiting conditions[1].
[1]. Jacqueline M Wurst, et al. Identification of inhibitors of PvdQ, an enzyme involved in the synthesis of the siderophore pyoverdine. ACS Chem Biol. 2014 Jul 18;9(7):1536-44.