>tr|A0A841HCR3|A0A841HCR3_HALSI Aspartate carbamoyltransferase regulatory chain OS=Halobacterium salinarum GN=pyrI MSSDQHLQVSKIQAGTVIDHIPAGQALQVLQILGTNGASDDQITVGMNVTSERHHRKDIV KIEGRELSQDEVDVLSLIAPDATINIVRDYEVDEKRRVDRPDVVAGVLSCPNPNCITAND EPVRSGFDVLDDGMRCQYCEQIVSEDIPSLIDPE