# OC Root 2nd 3rd 4th PC Gene/Definition OC.34390 Bacteria.411150 Proteobacteria.222431 Gammaproteobacteria.441204 psal.1582 psal:PSLF89_2913 carbamoyl phosphate synthase large subunit; K01955 carbamoyl-phosphate synthase large subunit [EC:6.3.5.5]