# OC Root 2nd 3rd 4th PC Gene/Definition OC.278304 Bacteria.672337 Actinobacteria.257968 Tropheryma.225 twh.31 twh:TWT_027 purE; phosphoribosylaminoimidazole carboxylase catalytic subunit; K01588 5-(carboxyamino)imidazole ribonucleotide mutase [EC:5.4.99.18] OC.278304 Bacteria.672337 Actinobacteria.257968 Tropheryma.225 tws.34 tws:TW029 purE; phosphoribosylaminoimidazole carboxylase catalytic subunit PurE; K01588 5-(carboxyamino)imidazole ribonucleotide mutase [EC:5.4.99.18]