>sp|A0RXJ6|PYRI_CENSY Aspartate carbamoyltransferase regulatory chain OS=Cenarchaeum symbiosum GN=pyrI MRESELIVRRIREGTVIDHIDGGRGLQVLSALGIDGGDGSLITVALNVPSGKFSKKDIIK VENRFLKDDDTNRLALIAPSATVNIIRDYKLAEKRRVALPNEIGRIFRCTNPDCITNSSE RIESVMDVASREGPVLKCRYCSRILDVSRMDYT