# OC Root 2nd 3rd 4th PC Gene/Definition OC.276633 Archaea.248 Crenarchaeota.2298 Thermoproteus.296 tuz.1278 tuz:TUZN_1312 isopropylmalate/citramalate/homocitrate synthase; K01649 2-isopropylmalate synthase [EC:2.3.3.13] OC.276633 Archaea.248 Crenarchaeota.2298 Thermoproteus.296 ttn.148 ttn:TTX_0134 leuA-2; 2-isopropylmalate synthase 2; K01649 2-isopropylmalate synthase [EC:2.3.3.13]