# OC Root 2nd 3rd 4th PC Gene/Definition OC.34495 Bacteria.287363 Proteobacteria.155311 Gammaproteobacteria.465826 wma.630 wma:WM2015_1544 carbamoyl phosphate synthase small subunit; K01956 carbamoyl-phosphate synthase small subunit [EC:6.3.5.5]