# OC Root 2nd 3rd 4th PC Gene/Definition OC.509049 Archaea.15825 Euryarchaeota.14551 Halodesulfurarchaeum.1545 halh.637 halh:HTSR_0655 hydrogenase maturation protease; K03605 hydrogenase maturation protease [EC:3.4.23.-] OC.509049 Archaea.15825 Euryarchaeota.14551 Halodesulfurarchaeum.1545 hhsr.668 hhsr:HSR6_0681 hydrogenase maturation protease; K03605 hydrogenase maturation protease [EC:3.4.23.-] OC.509049 Archaea.15825 Euryarchaeota.14551 - nge.2035 nge:Natgr_2161 hydrogenase maturation protease; K03605 hydrogenase maturation protease [EC:3.4.23.-] OC.509049 Archaea.15825 Euryarchaeota.14551 Natronolimnobius.2699 nag.3688 nag:AArcMg_4183 Hydrogenase maturation protease HyaD; K03605 hydrogenase maturation protease [EC:3.4.23.-] OC.509049 Archaea.15825 Euryarchaeota.14551 Natronolimnobius.2699 nan.3653 nan:AArc1_5122 hydrogenase maturation protease; K03605 hydrogenase maturation protease [EC:3.4.23.-]