>sp|P12944|PHNL_MEGGA Periplasmic [NiFe] hydrogenase large subunit OS=Megalodesulfovibrio gigas GN=hydB MSEMQGNKIVVDPITRIEGHLRIEVEVEGGKIKNAWSMSTLFRGLEMILKGRDPRDAQHF TQRACGVCTYVHALASVRAVDNCVGVKIPENATLMRNLTMGAQYMHDHLVHFYHLHALDW VNVANALNADPAKAARLANDLSPRKTTTESLKAVQAKVKALVESGQLGIFTNAYFLGGHP AYVLPAEVDLIATAHYLEALRVQVKAARAMAIFGAKNPHTQFTVVGGCTNYDSLRPERIA EFRKLYKEVREFIEQVYITDLLAVAGFYKNWAGIGKTSNFLTCGEFPTDEYDLNSRYTPQ GVIWGNDLSKVDDFNPDLIEEHVKYSWYEGADAHHPYKGVTKPKWTEFHGEDRYSWMKAP RYKGEAFEVGPLASVLVAYAKKHEPTVKAVDLVLKTLGVGPEALFSTLGRTAARGIQCLT AAQEVEVWLDKLEANVKAGKDDLYTDWQYPTESQGVGFVNAPRGMLSHWIVQRGGKIENF QHVVPSTWNLGPRCAERKLSAVEQALIGTPIADPKRPVEILRTVHSYDPCIACGVHVIDP ESNQVHKFRIL