>sp|C0QKK8|NIFH_DESAH Nitrogenase iron protein OS=Desulforapulum autotrophicum GN=nifH MRKIAIYGKGGIGKSTTTQNTVAGLVEAGHKIMVVGCDPKADSTRLLLNGLAQKTVLDTL REEGEDVVLEDVLKLGYGGTMCTESGGPEPGVGCAGRGIITSINLLEQLGAYENEELDYV FYDVLGDVVCGGFAMPMREGKAQEIYIVVSGEMMAMYAANNICKGIVKFAESGGIRLGGL ICNSRAVDFEKDMIEALAEKLGTQMIHFIPRENVVQRAEINRKTVIEYEPEHSQADEYRM LAKKINENEKYVIPTPIEIEELEELLVTYGIAS