>sp|Q8TVB1|PYRI_METKA Aspartate carbamoyltransferase regulatory chain OS=Methanopyrus kandleri GN=pyrI MIVALKVKRIEMGTVLDHLPPGTAPQIMRILDIDPTETTLLVAINVESSKMGRKDILKIE GKILSEEEANKVALVAPNATVNIVRDYSVAEKFQVKPPERVEGFLRCPNPNCITNDEREP VDTVFVRESKKPLEYRCRYCERTVREDQIRELIRPS