>sp|C3NEK4|NIKR_SULIY Putative nickel-responsive regulator OS=Sulfolobus islandicus GN=YG5714_1481 MSAEKISISLPKELYRELEDFITRKGIPDRSKIFQIALRNYLDENREGTEIIYGIINLVY DHEEASEALTEIQHEYKDNIISTLHLHVNERLCIEAIAVKGEKSKLVELNNRLGQIRGIL KARLLISFPYEKT