# OC Root 2nd 3rd 4th PC Gene/Definition OC.276843 Archaea.2007 Euryarchaeota.5183 Methanoculleus.1310 mem.755 mem:Memar_0766 threonyl-tRNA synthetase / Ser-tRNA(Thr) hydrolase; K01868 threonyl-tRNA synthetase [EC:6.1.1.3] OC.276843 Archaea.2007 Euryarchaeota.5183 Methanoculleus.1310 mbg.2201 mbg:BN140_2336 thrS; threonyl-tRNA synthetase; K01868 threonyl-tRNA synthetase [EC:6.1.1.3] OC.276843 Archaea.2007 Euryarchaeota.5183 Methanoculleus.1310 mema.2987 mema:MMAB1_3104 thrS; Threonine--tRNA ligase; K01868 threonyl-tRNA synthetase [EC:6.1.1.3]