>sp|B4F2M2|PYRB_PROMH Aspartate carbamoyltransferase catalytic subunit OS=Proteus mirabilis GN=pyrB MTNPLYHKHIISINDLNRDDLESVLHVADKLKQHPNSQLLKDKVIASCFFEASTRTRLSF ETAIHRLGASVVGFADGSNTSLGKKGETLADTISVLRTYADAIVIRHPQEGAARLASEFA GDIPVINAGDGANQHPSQTLLDLFTIKETQGRLDNLNIAMVGDLKYGRTVHSLAQALAKF TGNHLYFIAPKVLAMPEHILHLLEEHGVEYSQHETVDEVMSELDILYMTRVQKERLDPSE YANVKAQFILTSADLVNVKDNLKILHPLPRIDEITTDVDNTPYAYYFQQAGNGIYARQAL LALVLNKNLVL