# OC Root 2nd 3rd 4th PC Gene/Definition OC.168252 Eukaryotes.794669 Protists.142949 Choanoflagellates.2302 mbr.5318 mbr:MONBRDRAFT_32924 hypothetical protein OC.168252 Eukaryotes.794669 Protists.142949 Choanoflagellates.2302 sre.3559 sre:PTSG_03952 short-chain dehydrogenase/reductase SDR