# OC Root 2nd 3rd PC Gene/Definition OC.642021 Bacteria.427595 Chlorobi.4474 ial.2337 ial:IALB_2417 Split soret cytochrome c precursor OC.642021 Bacteria.427595 Chlorobi.4474 mro.507 mro:MROS_0472 split soret cytochrome c precursor