# OC Root 2nd 3rd 4th PC Gene/Definition OC.253099 Archaea.58628 Euryarchaeota.43509 Halobacterium.4506 hdl.3049 hdl:HALDL1_15825 2-hydroxy-6-ketonona-2,4-dienedoic acid hydrolase; K05714 2-hydroxy-6-oxonona-2,4-dienedioate hydrolase [EC:3.7.1.14]