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专利信息
专利号:US-2024391961-A1
优先权日:2021-08-25
标题:Autonomous organisms for synthesis of permanently phosphorylated proteins
发明人:COOLEY RICHARD B; MEHL RYAN A; ZHU PHILLIP
权利人:UNIV OREGON STATE
摘要:Embodiments of the present disclosure provide compositions and methods for biosynthesizing a stable, functional mimic of phosphoserine. The compositions and methods described herein genetically program a host cell to express a biosynthetic pathway that can synthesize the amino acid, 2-amino-4-phosphobobutyric acid, that is a non-hydrolyzable phosphoserine (nhpSer) because it contains a carbon-phosphorus, e.g., phosphonate, bond. In one embodiment the genetically programed cells express the enzymes of a pathway from a Streptomyces bacterium . In some embodiments, nhpSer is translationally incorporated into protein of interest at one or more programmed UAG amber codons using Genetic Code Expansion (GCE) technology.