>sp|C3NH39|NIKR_SULIN Putative nickel-responsive regulator OS=Sulfolobus islandicus GN=YN1551_1355 MSAEKISISLPKELYRELEDFITRKGIPDRSKIFQIALRNYLDENREGTEIIYGIINLVY DHEEASEALTEIQHEYKDNIISTLHLHVNERLCIEAIAVKGEKSKLVELNNRLGQIRGIL KARLLISFPYEKT