TL;DR Currently available methods to discover metal geometries make too many assumptions. We were able to discover novel zinc coordination geometries using a less-biased method that makes fewer assumptions. These novel geometries seem to also have specific functionality. This work was recently published under an #openaccess license in Proteins Journal: Yao, S., Flight, R. M., Rouchka, E. C. and Moseley, H. N. B. (2015), A less-biased analysis of metalloproteins reveals novel zinc coordination geometries.