>sp|C4KHL2|NIKR_SULIK Putative nickel-responsive regulator OS=Sulfolobus islandicus GN=M164_1474 MSAEKISISLPKELYRELEDFITRKGIPDRSKIFQIALRNYLDENREGTEIIYGIINLVY DHEEASEALTEIQHEYKDNIISTLHLHVNERLCIEAIAVKGEKSKLVELNNRLGQIRGIL KARLLISFPYEKT