>tr|O29988|O29988_ARCFU Sodium/calcium exchanger membrane region domain-containing protein OS=Archaeoglobus fulgidus GN=AF_0251 MDFTKEKFQLLAISSLTLPWLISLAFNYHHPALTQTLLSGLAVVSASFLISWAAETAEMD VPRSFSLAIVALLAVLPEYAVDGYFAWKAGSVGGEYVHYATANMTGANRLLIGIGWSLVA FIAFRTLKSKEVELDDGIRLEIFFLFLATLYAFTLPLKGHISPFDALVFVSLYAIYIYLS TKAEREEVEVGGVPAYLCSLKTETRRLSVVVLFLFAGFTILMSVEAFSEGLLETARIAGI DEFLAVQWIAPLASESPELIVAIYFVRRFRVSASMNALISSKVNQWTLLIGTIAIIYSIS AFKLQSLPLDARQSEEVLLTAAQSLFAVAILLDLKISWKEASALFLLFIVQLLFPGVEVR YIISAIYIILSLPILFAKRKEIVESFRTVKRLIS