>sp|P20620|NIFD_METTL Nitrogenase molybdenum-iron protein alpha chain OS=Methanothermococcus thermolithotrophicus GN=nifD MPYILLDCDKFIPERMKHTYVYDPEENILPACNTNTVPGDMTERGCAFAGSRGVVGGPIK DAIHMVHGPIGCAYYTWGTRRALSDNEFHRRYCFCTDMQESDIVYGGEKTLEKASLEVME EFPEASGTFIYTTCPTALIGDNVDAIARNIEKATKKPAIAINSPGFCGVSQSKGHHVFNM TFYKWLKLKRKEFPEKCMPEEEKTPYDVALIGDYNMDWDVAVIKPLLEKIGCRYVTTFTG NASLDELFQLMDVKLNIVHCQRSAEYIAQMINDGFDIPYTRATFFGLSDIAESLYDVAKA LDLPKERVDQVIKEEMEAIQPKLDYYKSKLEGKTCMVYVGGPRTWHWIKAMKDLGVEYVA ACCTFSHTDDYEKMNKNFKEAGIKDILVIDAPNEPELEEAVKTLDPDFMLVGLKERYLFR KYGVPTINSHSYEEGPYAGYRGFVNFARDVYKAVCHPVWNVLKEGEDKFKNFKGDLNE