Directed Evolution of Threonine Aldolases for the Photobiocatalytic Synthesis of β-Branched-α-Tetrasubstituted and Other Noncanonical Amino Acids - Tian-Ci Wang; Xiangyu Zhang; Zheng Zhang; Guodong Rao; Zhiyu Bo; Pei-Pei Xie; Jiedong Li; Qiang Yang; Xiaoyong Li; R. David Britt; Jiang Wang; Peng Liu; et al. (Journal of the American Chemical Society, 2026)