# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.57920 Eukaryotes.810429 Protists.173660 Stramenopiles.34874 Oomycetes.17136 psoj.17704 psoj:PhsooMp20 nad4; NADH dehydrogenase subunit 4; K03881 NADH-ubiquinone oxidoreductase chain 4 [EC:7.1.1.2]