Metagenomics combined with activity-based proteomics point to gut bacterial enzymes that reactivate mycophenolate. - Simpson JB; Sekela JJ; Graboski AL; Borlandelli VB; Bivins MM; Barker NK; Sorgen AA; Mordant AL; Johnson RL; Bhatt AP; Fodor AA; Herring LE; et al. (Gut microbes, 2022)