Structural and biochemical characterisation of Archaeoglobus fulgidus esterase reveals a bound CoA molecule in the vicinity of the active site is published by Sayer et al. and structure will be available soon (5FRD). Structure of a prereaction complex between the nerve agent sarin, its biological target acetylcholinesterase, and the antidote HI-6 is published by Allgardsson et al. and structures are available (5FPP, 5FPQ).Structure of human DPP4 in complex with a novel 5,5,6-tricyclic pyrrolidine inhibitor is availble (5ISM) and published by Cox et al..