ID   NHAA_LEGPA              Reviewed;         382 AA.
AC   Q5X2E5;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 86.
DE   RecName: Full=Na(+)/H(+) antiporter NhaA {ECO:0000255|HAMAP-Rule:MF_01844};
DE   AltName: Full=Sodium/proton antiporter NhaA {ECO:0000255|HAMAP-Rule:MF_01844};
GN   Name=nhaA {ECO:0000255|HAMAP-Rule:MF_01844}; OrderedLocusNames=lpp2448;
OS   Legionella pneumophila (strain Paris).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=297246;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Paris;
RX   PubMed=15467720; DOI=10.1038/ng1447;
RA   Cazalet C., Rusniok C., Brueggemann H., Zidane N., Magnier A., Ma L.,
RA   Tichit M., Jarraud S., Bouchier C., Vandenesch F., Kunst F., Etienne J.,
RA   Glaser P., Buchrieser C.;
RT   "Evidence in the Legionella pneumophila genome for exploitation of host
RT   cell functions and high genome plasticity.";
RL   Nat. Genet. 36:1165-1173(2004).
CC   -!- FUNCTION: Na(+)/H(+) antiporter that extrudes sodium in exchange for
CC       external protons. {ECO:0000255|HAMAP-Rule:MF_01844}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+)(out) + Na(+)(in) = 2 H(+)(in) + Na(+)(out);
CC         Xref=Rhea:RHEA:29251, ChEBI:CHEBI:15378, ChEBI:CHEBI:29101;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01844};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:29252;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01844};
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01844}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01844}.
CC   -!- SIMILARITY: Belongs to the NhaA Na(+)/H(+) (TC 2.A.33) antiporter
CC       family. {ECO:0000255|HAMAP-Rule:MF_01844}.
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DR   EMBL; CR628336; CAH13601.1; -; Genomic_DNA.
DR   RefSeq; WP_015961564.1; NC_006368.1.
DR   AlphaFoldDB; Q5X2E5; -.
DR   SMR; Q5X2E5; -.
DR   KEGG; lpp:lpp2448; -.
DR   LegioList; lpp2448; -.
DR   HOGENOM; CLU_015803_1_0_6; -.
DR   OMA; MGLMLRC; -.
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:0015297; F:antiporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0015081; F:sodium ion transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006885; P:regulation of pH; IEA:InterPro.
DR   Gene3D; 1.20.1530.10; -; 1.
DR   HAMAP; MF_01844; NhaA; 1.
DR   InterPro; IPR023171; Na/H_antiporter_dom_sf.
DR   InterPro; IPR004670; NhaA.
DR   PANTHER; PTHR30341; PTHR30341; 1.
DR   Pfam; PF06965; Na_H_antiport_1; 1.
DR   TIGRFAMs; TIGR00773; NhaA; 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..382
FT                   /note="Na(+)/H(+) antiporter NhaA"
FT                   /id="PRO_0000334331"
FT   TRANSMEM        13..33
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        58..78
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        94..114
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        124..144
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        153..173
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        179..199
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        204..224
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        256..276
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        285..305
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        325..345
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        357..377
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
SQ   SEQUENCE   382 AA;  41450 MW;  02ADEA93F1BFB762 CRC64;
     MNKSGSFYNL ETIGGILLFI AAVIAIIIAN SPFRVGYEYF LSINGSVSVG NLSITKPLLL
     WINDGLMAIY FLLIGLEIKR EVNRGILSDK TNLLVPALTA LAGLIFPALI FIFFNAHHPV
     YLKGWAIPTA TDIAFTLGIV SLLGSRVPFS LKILLTAIAI FDDIAAIVII ALFYTEQLSL
     LSLSLALVFT LILIGLNYFK CRRISVFMLF GVALWIAVLK SGVHATLAGI VIAMTIPDEG
     KESMLARLED GLHHWVVFLI LPLFAFANAG VSFVGLDASM FTHPVVLGIG LGLFLGKQLG
     IFLSLGYFVQ FKKFLKADKV NLAQVYGIAL ICGVGFTMSL FIGSLAYQNY DLSLMPMVKI
     GVVLGSFIAG LTGFLVLKLK QQ