ID   NHAB_YERPA              Reviewed;         524 AA.
AC   Q1C7V3;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Na(+)/H(+) antiporter NhaB {ECO:0000255|HAMAP-Rule:MF_01599};
DE   AltName: Full=Sodium/proton antiporter NhaB {ECO:0000255|HAMAP-Rule:MF_01599};
GN   Name=nhaB {ECO:0000255|HAMAP-Rule:MF_01599}; OrderedLocusNames=YPA_1502;
OS   Yersinia pestis bv. Antiqua (strain Antiqua).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=360102;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Antiqua;
RX   PubMed=16740952; DOI=10.1128/jb.00124-06;
RA   Chain P.S.G., Hu P., Malfatti S.A., Radnedge L., Larimer F., Vergez L.M.,
RA   Worsham P., Chu M.C., Andersen G.L.;
RT   "Complete genome sequence of Yersinia pestis strains Antiqua and Nepal516:
RT   evidence of gene reduction in an emerging pathogen.";
RL   J. Bacteriol. 188:4453-4463(2006).
CC   -!- FUNCTION: Na(+)/H(+) antiporter that extrudes sodium in exchange for
CC       external protons. {ECO:0000255|HAMAP-Rule:MF_01599}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3 H(+)(out) + 2 Na(+)(in) = 3 H(+)(in) + 2 Na(+)(out);
CC         Xref=Rhea:RHEA:29247, ChEBI:CHEBI:15378, ChEBI:CHEBI:29101;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01599};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:29248;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01599};
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01599}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01599}.
CC   -!- SIMILARITY: Belongs to the NhaB Na(+)/H(+) (TC 2.A.34) antiporter
CC       family. {ECO:0000255|HAMAP-Rule:MF_01599}.
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DR   EMBL; CP000308; ABG13469.1; -; Genomic_DNA.
DR   RefSeq; WP_002211689.1; NZ_CP009906.1.
DR   AlphaFoldDB; Q1C7V3; -.
DR   SMR; Q1C7V3; -.
DR   EnsemblBacteria; ABG13469; ABG13469; YPA_1502.
DR   GeneID; 57976523; -.
DR   KEGG; ypa:YPA_1502; -.
DR   OMA; QFEMLAV; -.
DR   Proteomes; UP000001971; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015385; F:sodium:proton antiporter activity; IEA:InterPro.
DR   HAMAP; MF_01599; NhaB; 1.
DR   InterPro; IPR004671; Na+/H+_antiporter_NhaB.
DR   PANTHER; PTHR43302:SF1; PTHR43302:SF1; 1.
DR   Pfam; PF06450; NhaB; 1.
DR   TIGRFAMs; TIGR00774; NhaB; 1.
PE   3: Inferred from homology;
KW   Antiport; Cell inner membrane; Cell membrane; Ion transport; Membrane;
KW   Sodium; Sodium transport; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..524
FT                   /note="Na(+)/H(+) antiporter NhaB"
FT                   /id="PRO_0000333154"
FT   TRANSMEM        13..33
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        98..118
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        140..160
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        239..259
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        304..324
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        325..345
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        358..378
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        448..468
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT   TRANSMEM        479..499
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
SQ   SEQUENCE   524 AA;  57476 MW;  D48AE25397003DDE CRC64;
     MDITNRQAVL KNFLGNSPDW YKLAIMGFLI INPLVFFFVS PFVAGWMLVI EFIFTLAMAL
     KCYPLQPGGL LAIQAVAIGM TSPHQVAEEI ANNLEVLLLL VFMVAGIYFM KQLLLFVFTK
     LLLNIRSKTI LSLAFCLASA FLSAFLDALT VIAVVISVSV GFYTIYHNVT SNHSDKDITD
     DSGIDNQDSH ETLEQFRAFL RSLMMHAGVG TALGGVMTMV GEPQNLIIAK SAGWNFADFF
     IRMLPVTLPV FIFGLLVCLL VEKFKLFGYG AQLPERVRQV LTEYDQQANA KRTKQEKMKL
     IVQAIIGVWL VLALALHLAE VGLVGLSVII LATSFCGITN EHSLGKAFQE ALPFTALLTV
     FFAVVAVIIE QSLFTPIIQF VLQASPSAQL SLFYLFNGLL SSVSDNVFVG TVYINEARSA
     FEHGIVSLQQ FELLAVAINT GTNLPSVATP NGQAAFLFLL TSALAPLIRL SYGRMVYMAL
     PYTLVMTIVG LLGVEFLLVP MTEWLTQAGW ISLPHITNGV AIPH