>sp|Q3AR70|NIFH_CHLCH Nitrogenase iron protein OS=Chlorobium chlorochromatii (strain CaD3) OX=340177 GN=nifH PE=3 SV=1 MRKVAIYGKGGIGKSTTTQNTVAGLAEMGKKVMVIGCDPKADSTRLLLGGLQQKTVLDTL REEGEEVELEDIIKEGYRNTRCTESGGPEPGVGCAGRGIITSVNLLEQLGAFDDEWNLDY VFYDVLGDVVCGGFAMPIRDGKAEEIYIVCSGEMMAMYAANNICKGILKYADAGGVRLGG LICNSRKVDNEREMIEELARRIGTQMIHFVPRDNFVQRAEINRKTVIDYDPTHGQADEYR ALAQKINDNKMFVIPKPLEIEELESLLIEFGIAN