hed:TPER_HE00311 K00609 aspartate carbamoyltransferase catalytic subunit [EC:2.1.3.2] | (GenBank) pyrB; Aspartate carbamoyltransferase hed:TPER_HE00310 K00611 ornithine carbamoyltransferase [EC:2.1.3.3] | (GenBank) argI; Ornithine carbamoyltransferase chain I