# OC Root 2nd 3rd 4th PC Gene/Definition OC.34386 Bacteria.368971 Firmicutes.304364 Firmicutes___Clostridia.186165 tmr.1980 tmr:Tmar_2049 carbamoyl-phosphate synthase large subunit; K01955 carbamoyl-phosphate synthase large subunit [EC:6.3.5.5]