# OC Root 2nd 3rd 4th PC Gene/Definition OC.677593 Eukaryotes.379549 Protists.116990 Alveolates.64243 smin.24220 smin:v1.2.024904.t1 symbB.v1.2.024904.t1; -; K03526 (E)-4-hydroxy-3-methylbut-2-enyl-diphosphate synthase [EC:1.17.7.1 1.17.7.3]