# OC Root 2nd 3rd 4th PC Gene/Definition OC.310502 Archaea.15897 Euryarchaeota.14727 Geoglobus.212 gac.1283 gac:GACE_1341 Cytochrome c family protein OC.310502 Archaea.15897 Euryarchaeota.14727 Geoglobus.212 gah.1189 gah:GAH_01256 NapC/NirT cytochrome c family, N-terminal region