# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.335778 Eukaryotes.770615 Protists.102884 Alveolates.48654 Ciliates.21739 tet.12560 tet:TTHERM_00401980 histidine-tRNA ligase; K01892 histidyl-tRNA synthetase [EC:6.1.1.21] OC.335779 Eukaryotes.797447 Protists.151689 Choanoflagellates.11895 - sre.5673 sre:PTSG_06896 hypothetical protein