Experimental Evidence for Radical-Polar Crossover in Competition with, Rather Than Preceding, Alkene Formation by Microbial Ethylene-Forming Enzyme - Evan J. Burke; Chao Wang; Holly Lussier; Elvira R. Sayfutyarova; Alexey Silakov; Carsten Krebs; J. Martin Bollinger; Jeffrey W. Slater (Journal of the American Chemical Society, 2025)