# OC Root 2nd 3rd 4th PC Gene/Definition OC.369166 Bacteria.260974 Thermotogae.5629 Kosmotoga.1011 kol.556 kol:Kole_0556 hydrogenase expression/formation protein HypE; K04655 hydrogenase expression/formation protein HypE OC.369166 Bacteria.260974 Thermotogae.5629 Kosmotoga.1011 kpf.1237 kpf:IX53_06855 hypothetical protein; K04655 hydrogenase expression/formation protein HypE