# OC Root 2nd 3rd 4th PC Gene/Definition OC.566051 Bacteria.1101295 Proteobacteria.600564 Deltaproteobacteria.112203 dbr.2943 dbr:Deba_3069 phosphoribosyltransferase; K00762 orotate phosphoribosyltransferase [EC:2.4.2.10]