Walls, W. G., Yang, H., Ho, M. B., Broderick, W. E., Hoffman, B. M., Broderick, J. B. (2026). The radical SAM enzyme EpeE exhibits distinct site reactivity during the biosynthesis of the RiPP natural product epipeptide. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2529780123