# OC Root 2nd 3rd 4th PC Gene/Definition OC.639948 Bacteria.338039 Aquificae.3927 - tam.768 tam:Theam_0773 thymidylate synthase, flavin-dependent; K03465 thymidylate synthase (FAD) [EC:2.1.1.148] OC.639948 Bacteria.338039 Aquificae.3927 - dte.321 dte:Dester_0323 thymidylate synthase, flavin-dependent; K03465 thymidylate synthase (FAD) [EC:2.1.1.148] OC.639949 Bacteria.338060 Firmicutes.3969 Firmicutes___Clostridia.22898 cle.703 cle:Clole_0609 Thymidylate synthase thyX; K03465 thymidylate synthase (FAD) [EC:2.1.1.148]