>tr|Q46G36|Q46G36_METBF Nitrogenase iron protein OS=Methanosarcina barkeri (strain Fusaro / DSM 804) OX=269797 GN=nifH PE=3 SV=1
MRQIAIYGKGGIGKSTTTQNLTASLSTMGNKIMLVGCDPKADSTRMLLGGLNQKTVLDTL
RSEGDEGVDLDVVMQRGFGDIKCVESGGPEPGVGCAGRGIITSIGLLENLGAYTDDLDYV
FYDVLGDVVCGGFAMPIREGKAKEIYIVASGELMAIYAANNICKGLAKFAKGGARLGGII
CNSRNVDGERELLDAFAKKLGSQLIHFIPRDNIVQRAEINRKTVIDFDPESNQAKEYLTL
AHNVQNNDKLVVPTPLPMEELESMMVEFGIVDM