sp|Q49W90|MNHB1_STAS1 Na(+)/H(+) antiporter subunit B1 OS=Staphylococcus saprophyticus subsp. saprophyticus (strain ATCC 15305 / DSM 20229 / NCIMB 8711 / NCTC 7292 / S-41) OX=342451 GN=mnhB1 PE=3 SV=1