TY - RPRT TI - Radiation of nitrogen-metabolizing enzymes across the tree of life tracks environmental transitions in Earth history AU - Parsons, C. AU - Stueeken, E. E. AU - Rosen, C. AU - Mateos, K. AU - Anderson, R. E. PY - 2020 DO - 10.1101/2020.05.01.064543 UR - https://www.biorxiv.org/content/10.1101/2020.05.01.064543v1 ID - 10.1101/2020.05.01.064543 ER -