>sp|Q55030|NIFK_RIPO1 Nitrogenase molybdenum-iron protein beta chain OS=Rippkaea orientalis GN=nifK MSQNIDKIQDHVELFHQPEYQELFENKKALQGMASDEKVAEIAEWTKTWEYREKNFAREA LTINPAKACQPLGAILAAVGFEGTLPFVHGSQGCVAYFRTHFTRHFKEPFSGVSSSMTED AAVFGGLKNMIEGLQNAYSLYQPKMIAVCTTCMAEVIGDDLGSFIGNAKADGSVPQDFPV PFAHTPSFVGSHITGYDNMMKAILLNLTDGKKPTTSNGKVNFIPGFETYVGNLRELKHLT SAMGVDATILGDNELYLDSPNDGEFKMYQGGTTLEEGADAINATKTIALQTYPTVKTLEY IEKEWQQPTATYRPWGIKGTDEFVMALSELTGNPVPPELELERGRAVDAMTDSHAWLHGK KAAIYGDPDLVMGMLQFMLEMGVEPVHVLVHNSTTEFEEEAKALLASSPYGQKATVWGGK DLWHLRSLLFTEPVDFLIGNSYGKYLWRDTKIPLIRIGYPIFDRHHLHRYSTIGYNGAIN LLNWIVNGLFEEIDRNTNIPSKTDISFDLVR