# OC Root 2nd 3rd 4th PC Gene/Definition OC.216420 Bacteria.84474 - - cex.447 cex:CSE_04380 cmk; cytidylate kinase; K00945 CMP/dCMP kinase [EC:2.7.4.25] OC.216421 Bacteria.84465 Proteobacteria.600440 Deltaproteobacteria.112049 dbr.2607 dbr:Deba_2713 cytidylate kinase; K00945 CMP/dCMP kinase [EC:2.7.4.25]