# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.278547	Bacteria.1170667	Proteobacteria.703428	Gammaproteobacteria.297513	Haemophilus.4233	hdu.1207	hdu:HD_1423   phosphoribosylaminoimidazole carboxylase ATPase subunit; K01589 5-(carboxyamino)imidazole ribonucleotide synthase [EC:6.3.4.18]