Rational engineering of R-selective transaminase from Pseudonocardia ammonioxydans for efficient synthesis of chiral β-amino aryl ethers - Xiao Gao; Wenhe Zhang; Qingyu Wang; Zhuobing Zhang; Hongli Wei; Xiaowei Wei; Lu Zhao; Weidong Liu; Xian Jia; Song You (Bioresource Technology, 2026)