Transcriptome-guided discovery and active-site gatekeeper engineering of a Viola arcuata asparaginyl ligase with superior catalytic performance - Qiongyan Zou; Yujiao Yan; Xinglei Zou; Peng Jiang; Jiongwen Qin; Xue Tang; Fawei He; Dongting Zhangsun; Sulan Luo; Yong Wu (Journal of Biological Chemistry, 2026)