>sp|C3MW06|NIKR_SULIM Putative nickel-responsive regulator OS=Sulfolobus islandicus GN=M1425_1477 MSAEKISISLPKELYRELEDFITRKGIPDRSKIFQIALRNYLDENREGTEIIYGIINLVY DHEEASEALTEIQHEYKDNIISTLHLHVNERLCIEAIAVKGEKSKLVELNNRLGQIRGIL KARLLISFPYEKT