# OC Root 2nd 3rd PC Gene/Definition OC.276629 Archaea.38200 Thaumarchaeota.812 nct.386 nct:NMSP_0395 leuA_1; 2-isopropylmalate synthase; K01649 2-isopropylmalate synthase [EC:2.3.3.13] OC.276639 Archaea.250 Thaumarchaeota.1454 nct.536 nct:NMSP_0547 leuA_2; 2-isopropylmalate synthase; K01649 2-isopropylmalate synthase [EC:2.3.3.13]