>sp|Q44484|NIFH2_TRIV2 Nitrogenase iron protein 2 OS=Trichormus variabilis GN=nifH2 MIDNIRQIAFYGKGGIGKSTTSQNTIAGLAEMGERIMIVGCDPKADSTRLMLHSKAQTTI LHLAAERGAVEDLELDEVLLTGYQGVKCVESGGPEPGVGCAGRGIITAINFLEENGAYED LDFVSYDVLGDVVCGGFAMPIREGKAQEIYIVCSGEMMAMYAANNIARGILKYAHSGGVR LGGLICNSRNVDREVELIEALAERLNTQMIHFVPRNNVVQHAELRRMTVIEYATEHPQAN EYRTLAKKIKENTKLTIPTPISMDELEELLVEFGILGGEEEYQKAIAQDAGKAVVV