# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.129398 Bacteria.135108 Proteobacteria.353944 Alphaproteobacteria.67494 Devosia.2939 dei.2227 dei:C4375_11555 thiD; bifunctional hydroxymethylpyrimidine kinase/phosphomethylpyrimidine kinase; K00941 hydroxymethylpyrimidine/phosphomethylpyrimidine kinase [EC:2.7.1.49 2.7.4.7]