Aspartic acid residues in BBE-like enzymes from Morus alba promote a function shift from oxidative cyclization to dehydrogenation - Nianxin Guo; Jun Gu; Qingyang Zhou; Fang Liu; Haoran Dong; Qi Ding; Qixuan Wang; Dongshan Wu; Jun Yang; Junping Fan; Lei Gao; Kendall N. Houk; et al. (Proceedings of the National Academy of Sciences, 2025)