>tr|M9U9N9|M9U9N9_SULIS Putative nickel-responsive regulator OS=Sulfolobus islandicus LAL14/1 GN=SiL_1356 MSAEKISISLPKELYRELEDFITRKGIPDRSKIFQIALRNYLDENREGTEIIYGIINLVY DHEEASEALTEIQHEYKDNIISTLHLHVNERLCIEAIAVKGEKSKLVELNNRLGQIRGIL KARLLISFPYEKT