# OC Root 2nd 3rd 4th PC Gene/Definition OC.181564 Bacteria.1024452 Proteobacteria.472962 Alphaproteobacteria.340245 rbt.286 rbt:NOVO_01410 purM; Phosphoribosylformylglycinamidine cyclo-ligase; K01933 phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.3.1]