Dear all, do any of you know how to place a Tantalum Bromide cluster with Coot into the electron density map? I don't know if it would work with Add monomer from dictionary, or if it rather works like something else. Thanks a lot in advance. Best wishes, Almudena -- Almudena Ponce-Salvatierra Macromolecular crystallography and Nucleic acid chemistry Max Planck Institute for Biophysical Chemistry Am Fassberg 11 37077 Göttingen Germany