>d2hzvf2 d.58.18.4 (F:49-131) Nickel responsive regulator NikR, C-terminal domain {Escherichia coli [TaxId: 562]} gtqgfavlsyvyehekrdlasrivstqhhhhdlsvatlhvhinhddcleiavlkgdmgdv qhfaddviaqrgvrhghlqclpk