electronic reprint ISSN: 2059-7983 journals.iucr.org/d Plasticity, ligand conformation and enzyme action of Mycobacterium smegmatis MutT1 Prateek Raj, S. Karthik, S. M. Arif, U. Varshney and M. Vijayan Acta Cryst. (2020). D76, 982–992 IUCr Journals CRYSTALLOGRAPHY JOURNALS ONLINE Copyright c  International Union of Crystallography Author(s) of this article may load this reprint on their own web site or institutional repository provided that this cover page is retained. Republication of this article or its storage in electronic databases other than as speciﬁed above is not permitted without prior permission in writing from the IUCr. For further information see https://journals.iucr.org/services/authorrights.html Acta Cryst. (2020). D76, 982–992 Raj et al. · Mycobacterium smegmatis MutT1