>sp|P00468|NIFK_NOSS1 Nitrogenase molybdenum-iron protein beta chain OS=Nostoc sp. GN=nifK MPQNPERTVDHVDLFKQPEYTELFENKRKNFEGAHPPEEVERVSEWTKSWDYREKNFARE ALTVNPAKGCQPVGAMFAALGFEGTLPFVQGSQGCVAYFRTHLSRHYKEPCSAVSSSMTE DAAVFGGLNNMIEGMQVSYQLYKPKMIAVCTTCMAEVIGDDLGAFITNSKNAGSIPQDFP VPFAHTPSFVGSHITGYDNMMKGILSNLTEGKKKATSNGKINFIPGFDTYVGNNRELKRM MGVMGVDYTILSDSSDYFDSPNMGEYEMYPGGTKLEDAADSINAKATVALQAYTTPKTRE YIKTQWKQETQVLRPFGVKGTDEFLTAVSELTGKAIPEELEIERGRLVDAITDSYAWIHG KKFAIYGDPDLIISITSFLLEMGAEPVHILCNNGDDTFKKEMEAILAASPFGKEAKVWIQ KDLWHFRSLLFTEPVDFFIGNSYGKYLWRDTSIPMVRIGYPLFDRHHLHRYSTLGYQGGL NILNWVVNTLLDEMDRSTNITGKTDISFDLIR