>sp|Q9A5K4|PYRB_CAUVC Aspartate carbamoyltransferase catalytic subunit OS=Caulobacter vibrioides GN=pyrB MTASAHDPAREAIETIRARVFAFPKRHFLSAGDLNAPQAADLLDLADAFVALNRQTSKTL DILKGRTLMNLFFENSTRTQSSFELAGKRLGADVVNMNPKTSSVAKGETLIDTAVTLNAM RPDLLVVRHASSGAASLLSQKVSGHVVNAGDGQHEHPTQALLDALSIRRAFGRVSGLTVA ICGDVLHSRVARSNVALLHTLGASVRLVGPPTLMPAQAERWGVAVHHDMKSGLAGADVVM MLRLQLERMQGAFVPSTREYFRFYGLDREKLSRAAPGAKVMHPGPMNRGVEIDSDVADDP AVSLIQDQVEMGVAARMAVLASLAARIEGAGR