>sp|Q9UX49|NIKR_SACS2 Putative nickel-responsive regulator OS=Saccharolobus solfataricus GN=SSO0659 MSAEKISISLPKELYRELEDFIIRKGIPDRSKIFQIALRNYLDENRDGNEIIYGIINLVY DHEEASEALTEIQHEYNDSIISTLHLHVSEKICIEAIAVKGEKRKLVELNNKLGQIRGIL KARLLISFPYEKT