LeuRS-BH5-T252A RS/tRNA Pair Development Year 2007 ncAA(s) Incorporated 4,5-Dimethoxy-2 nitrobenzylserine
EcLRS-DHE6 RS/tRNA Pair Development Year 2008 ncAA(s) Incorporated 6-Sulfanyl-L-norleucine L-dihomomethionine 2-aminooctanoic acid
EAziRS (improved version of EcAziRS or p-azidoPheRS-1) RS/tRNA Pair Development Year 2009 ncAA(s) Incorporated p-azido-L-phenylalanine (pAzF)
PCKRS RS/tRNA Pair Development Year 2010 ncAA(s) Incorporated N-epsilon-((1-(6-nitrobenzo[d][1,3]dioxol-5-yl)ethoxy)carbonyl)-L-lysine
ZLysRS RS/tRNA Pair Development Year 2008 ncAA(s) Incorporated N6-(Benzyloxycarbonyl)-L-lysine (Z-Lys)