# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.677306 Eukaryotes.806967 Protists.168222 Stramenopiles.29133 Diatoms.19199 tps.9149 tps:THAPSDRAFT_bd1251 RR18; RR18, ribosomal protein 18 30S small ribosomal subunit, chloroplast, translation, protein biosynthesis