Dr. Marc Garcia-Borràs (IQCC) is part of an international multidisciplinary research team led by Prof. Katherine Ryan (University of British Columbia, Canada) that has recently published a new study in PNAS entitled “A shared mechanistic pathway for pyridoxal phosphate–dependent arginine oxidases”. Pyridoxal phosphate (PLP)-dependent enzymes rarely react with oxygen, but an emerging group of PLP-