the pyr-3 gene of neurospora crassa codes for the bifunctional enzyme pyrimidine-specific carbamoyl-phosphate synthetase/aspartate carbamoyltransferase ( carbon dioxide : ammonia ligase ( adp-forming , carbamate-phosphorylating ) /carbamoylphosphate : l-aspartate carbamoyltransferase ) , ec 6.3.4.16/ec 2.1.3.2 ) .
C0006948
carbamate
C0006960
carbamoylphosphate