EMSA. Migration of different DNA fragments representing the upstream regions of Rv0280 (lanes 1 and 2), rpmB1-Rv0106 (lanes 3 and 4), Rv0282 (lanes 5 and 6), rpmB2-Rv2059 (lanes 7 and 8), Rv3017c (lanes 9 and 10), Rv3019c (lanes 11 and 12), Rv1195 (lanes 15 and 16), Rv3612c (lanes 17 and 18), and Rv2688c (lanes 13 and 14), used as a negative control, in the absence (−) or in the presence (+) of Zur.