Expanding the substrate scope of pyrrolysyl-transfer RNA synthetase enzymes to include non-α-amino acids in vitro and in vivo. - Fricke R; Swenson CV; Roe LT; Hamlish NX; Shah B; Zhang Z; Ficaretta E; Ad O; Smaga S; Gee CL; Chatterjee A; Schepartz A (Nature chemistry, 2023)