MmPylRS(Y306A,Y384F) RS/tRNA Pair Development Year 2008 ncAA(s) Incorporated Nε-(o Azidobenzyloxycarbon yl)-L-lysine (AzZLys) N6-(Benzyloxycarbonyl)-L-lysine(ZLys) 4'-TCOK (TCO) endo-BCN-L-Lysine exoBCN-Lysine 2'-axialTCOK (TCO*) TmdZLys pNO2ZLys N6-[2-(furan-2-yl)ethoxy]carbonyl Lys 2,2,5,5-tetramethyl-pyrrolin-1-oxyl
ABK-RS RS/tRNA Pair Development Year 2011 ncAA(s) Incorporated N6-[(2-(3-Methyl-3H-diazirin-3-yl)ethoxy)carbonyl]-L-lysine
MbPylRS-WT RS/tRNA Pair Development Year 2006 ncAA(s) Incorporated Norbornene-O–L-Lysine (NBO) N6-((2-azidoethoxy)carbonyl)-L-lysine Nε-(tert-Butoxycarbonyl)-L-lysine (BocLys) Nε -D-Prolyl-L-lysine N6-[(2 Propynyloxy)carbonyl]-L-lysine