# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.566052 Bacteria.333786 Proteobacteria.180977 Gammaproteobacteria.45861 Gammaproteobacteria___Enterobacteria.99723 Wigglesworthia.282 wbr.362 wbr:pyrE Purines, pyrimidines, nucleosides, and nucleotides OC.566052 Bacteria.333786 Proteobacteria.180977 Gammaproteobacteria.45861 Gammaproteobacteria___Enterobacteria.99723 Wigglesworthia.282 wgl.336 wgl:WIGMOR_0364 pyrE; orotate phosphoribosyltransferase; K00762 orotate phosphoribosyltransferase [EC:2.4.2.10]