Nitrogenase component I MTCQVTQKAREGTINPIFTCQPAGAQFASIGIKDCIGIVHGGQGCVMFVRLLISQHMKESFEIASSSVHEDGAVFGALDRVETAVEVLLTRYPDVKVVPIITTCSTEIIGDDVDGLLSKLEDELLPTKFPGREVHLLTVHCPSFVGSMITGYDKAVHDFVKKFATKDEPSDKINLITGWVNPGDVKELKHLLEVMEVKANVLFEVESFDSPLMPDLEHHSHGSTTIEDLRDTANAKGTIALNRYEGMKAADYLKKKFKVPAVIGPTPVGIRNTDAFLKAVSEMTGQPIPAQLVKERGLALDAIADIGHMFLADKRVAIYANPDLAIGLTEFCLDLEMKPKLLLLGDDNSGYVKDPRVVALQENAPDLEIVTNADFWDLESRIQQGLELDLILGHSKGRFISIDYKVPMVRVGFPTYDRAGMYRHPVLGYGGAMFLAETMANTLFADMEAKKNKEWILNVW ANFK_RHOCA Nitrogenase iron-iron protein beta chain This iron-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation. Other nitrogenase complexes utilize a molybdenum-iron protein or a vanadium-iron protein. anfK Dinitrogenase 3 subunit beta 460