>sp|P55170|NIFD_METBA Nitrogenase molybdenum-iron protein alpha chain OS=Methanosarcina barkeri OX=2208 GN=nifD2 PE=3 SV=1
MGAEIDSRIEDEQKLVDDMLKVLPEKAARNRRKHIVVRNCSTEQHIEADDKVIPGILTNR
GCAFAGTKGVVFGPIKDMVHLVHGPIGCAFYTWGTRRNFAKAEEGGDNFMNYCVCTDMKE
TDIVFGGEKKLKKAIDEVVKIFHPEAITICATCPVGLIGDDIESVAREAEKEHGIKVIPA
RCEGYRGVSQSAGHHIASNALMEHLIGTEEIKSPTPFDINVFGEYNIGGDLWEVKPIFEK
IGYRIVSSLTGDGSFHRISQAHQAKLSILVCHRSINYTNRMMEEKYGVPWLKVNYIGTKG
TEKLLRKMAEFFDDPELTRKTEEVIAEEKAKYAEDIEKYRKKLKGKTAFIYAGGSRSHHY
INLFEELGMKVIAAGYQFAHRDDYEGRQIIPQIKEKALGSILEDVHYERDENVKPTVSPE
RIEELKTKIGLMDYKGLFPDAEDGTIVIDDLNHHETEVLVKTLKPDIFCSGIKDKYWAQK
PWSPSRQIHSYDYSGRYTGFSGVLNFARDIDMALHSPTWKFIRPPWKAENVE