>1D5W_1|Chains A, B, C|TRANSCRIPTIONAL REGULATORY PROTEIN FIXJ|Sinorhizobium meliloti (382) MQDYTVHIVDDEEPVRKSLAFMLTMNGFAVKMHQSAEAFLAFAPDVRNGVLVTDLRMPDMSGVELLRNLGDLKINIPSIVITGHGDVPMAVEAMKAGAVDFIEKPFEDTVIIEAIERASEHLVALE