# OC Root 2nd 3rd 4th PC Gene/Definition OC.34494 Bacteria.368996 Proteobacteria.792776 Gammaproteobacteria.460083 tmc.542 tmc:LMI_0552 Carbamoyl-phosphate synthase large chain (modular protein); K01955 carbamoyl-phosphate synthase large subunit [EC:6.3.5.5]