hpel:HZS54_19795 K00610 aspartate carbamoyltransferase regulatory subunit | (GenBank) aspartate carbamoyltransferase regulatory subunit hpel:HZS54_19800 K00609 aspartate carbamoyltransferase catalytic subunit [EC:2.1.3.2] | (GenBank) pyrB; aspartate carbamoyltransferase