>tr|A0A503IE65|A0A503IE65_9HYPH Transcriptional repressor NrdR OS=Mesorhizobium sp. B2-4-19 GN=nrdR MRCPYCQSEDTQVKDSRPAEDGAAIRRRRVCPDCGGRFTTFERVQLRDLVVVKKSGRKVP FDRDKLLRSVEIAVRKRNVDPERIDRAVTGIVRQLESSGETEVASGEVGRLVMEALKSLD DVAYVRFASVYRNFREAKDFHELLGELKGDEDKSEEDAG