# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.508234 Archaea.54264 Euryarchaeota.36214 Pyrococcus.4242 Pyrococcus_furiosus.2127 pfu.2008 pfu:PF2030 ferredoxin-family protein OC.508234 Archaea.54264 Euryarchaeota.36214 Pyrococcus.4155 Pyrococcus_furiosus.2008 pfi.1609 pfi:PFC_08415 ferredoxin-family protein