Structural Basis for Medium-Chain Dehydrogenase/Reductase-Catalyzed Reductive Cyclization in Polycyclic Tetramate Macrolactam Biosynthesis - Xiangqian Xie; Fan Li; Yanxin Mu; Mengyao Lu; Jie Luo; Haoxin Wang; Yuemao Shen; Liangcheng Du; Deyu Zhu; Yaoyao Li (Journal of the American Chemical Society, 2025)