>tr|A0A0E3LR21|A0A0E3LR21_METBA Nitrogen regulatory protein P-II OS=Methanosarcina barkeri 227 GN=MSBR2_2745 MKEITAIIRMNKAQRTKDVLLECGFPSFTIRRVMGRGKQRGLCHEFNPPLPDPEKEAETC IRFIPKRMFTIVVDDENVSEVVQKIIEVNQTGNAGDGKIFVSDVTEAIRIRTGESGEATV NKELV