# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.256585 Bacteria.309306 Proteobacteria.640016 Gammaproteobacteria.49250 Gammaproteobacteria___Enterobacteria.2841 Buchnera.1223 bab.203 bab:bbp_215 pyrH; uridylate kinase; K09903 uridylate kinase [EC:2.7.4.22]