>sp|Q51296|NIFH_NOSS6 Nitrogenase iron protein OS=Nostoc sp. GN=nifH
MTDENIRQIAFYGKGGIGKSTTSQNTLAAMAEMGQRIMIVGCDPKADSTRLMLHAKAKTT
VLHLAAERGAVEDLELHEVMLTGFRGVRCVESGGPEPGVGCAGRGIITAINFLEENGAYQ
DLDFVSYDVLGDVVCGGFAMPIREGKAQEIYIVTSGEMMAMYAANNIARGILKYAHSGGV
RLGGLICNSRKTDREAELIENLAERLNTQMIHFVPRDNIVQHAELRRMTVNEYAPDSNQG
QEYRALAKKIINNDKLTIPTPIEMDELEALLIEYGILDDDSKHAEIIGKPAEATK