>tr|W8USV5|W8USV5_STAAU Na(+)/H(+) antiporter subunit B OS=Staphylococcus aureus GN=mrpB MKENDVVLRTVTKLVVFILLTFGFYVFFAGHNNPGGGFIGGLIFSSAFILMFLAFNVEEV LESLPIDFRILMIIGALVSSITAIIPMFFGKPFLSQYETTWILPILGQIHVSTITLFELG ILFSVVGVIVTVMLSLSGGRS