# OC Root 2nd 3rd 4th PC Gene/Definition OC.213378 Bacteria.345830 Thermotogae.509 Kosmotoga.684 kol.1922 kol:Kole_2093 hydro-lyase, Fe-S type, tartrate/fumarate subfamily, beta subunit; K01678 fumarate hydratase subunit beta [EC:4.2.1.2] OC.213378 Bacteria.345830 Thermotogae.509 Kosmotoga.684 kpf.1252 kpf:IX53_06940 fumarate hydratase; K01678 fumarate hydratase subunit beta [EC:4.2.1.2]