Lazic, Jelena, Jelena Spasic, Djordje Francuski, Zorana Tokic-Vujosevic, Jasmina Nikodinovic-Runic, Veselin Maslak, and Lidija Djokic. 2016. “Importance of the N-Terminal Proline for the Promiscuous Activity of 4-Oxalocrotonate Tautomerase (4-OT)”. Journal of the Serbian Chemical Society 81 (8). Belgrade, Serbia:871-81. https://doi.org/10.2298/JSC160222053L.