NIRQ_PSEAE nirQ Denitrification regulatory protein NirQ Activator of nitrite and nitric oxide reductases. 260 MRDATPFYEATGHEIEVFERAWRHGLPVLLKGPTGCGKTRFVQYMARRLELPLYSVACHDDLGAADLLGRHLIGADGTWWQDGPLTRAVREGGICYLDEVVEARQDTTVAIHPLADDRRELYLERTGETLQAPPSFMLVVSYNPGYQNLLKGLKPSTRQRFVALRFDYPAAQQEARILVGESGCAETLAQRLVQLGQALRRLEQHDLEEVASTRLLIFAARLIGDGMDPREACRVALAEPLSDDPATVAALMDIVDLHVA PA0520