# OC Root 2nd 3rd 4th PC Gene/Definition OC.507341 Bacteria.577575 Proteobacteria.95918 Gammaproteobacteria.109702 mars.1263 mars:A8C75_06255 diphosphomevalonate decarboxylase; K01597 diphosphomevalonate decarboxylase [EC:4.1.1.33]