# OC Root 2nd 3rd 4th PC Gene/Definition OC.276635 Archaea.252 Euryarchaeota.8724 Halodesulfurarchaeum.506 halh.1459 halh:HTSR_1495 leuA2; 2-isopropylmalate synthase; K09011 (R)-citramalate synthase [EC:2.3.1.182] OC.276635 Archaea.252 Euryarchaeota.8724 Halodesulfurarchaeum.506 hhsr.1529 hhsr:HSR6_1566 leuA2; D-citramalate synthase; K09011 (R)-citramalate synthase [EC:2.3.1.182]