>sp|Q3Z7C7|NIFH_DEHM1 Nitrogenase iron protein OS=Dehalococcoides mccartyi GN=nifH MRKVAIYGKGGIGKSTTTQNTVAALAEMGRKVLVVGCDPKADSTRLLLGGLAQKTVLDTL REEGEDVELDLVRKTGFGNTLCVESGGPEPGVGCAGRGIITAVNLMEQLGGYESDSPLDY VFYDVLGDVVCGGFAMPIREGKAEEVYIVCSGEMMAMYAANNICKGIRKFADAGSVKLGG LICNSRMVDNEKEMIAEFAKRLGTQMIHFVPRDNDVQRAEINKKTVIEWNPQAKQADEYR ALAKAIDNNQMFVVPKPISVDELESLLVEFGVIS