ID   NHAA_ERWT9              Reviewed;         386 AA.
AC   B2VH05;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   25-MAY-2022, entry version 75.
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=ETA_07080;
OS   Erwinia tasmaniensis (strain DSM 17950 / CFBP 7177 / CIP 109463 / NCPPB
OS   4357 / Et1/99).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Erwinia.
OX   NCBI_TaxID=465817;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17950 / CFBP 7177 / CIP 109463 / NCPPB 4357 / Et1/99;
RX   PubMed=18462403; DOI=10.1111/j.1462-2920.2008.01639.x;
RA   Kube M., Migdoll A.M., Mueller I., Kuhl H., Beck A., Reinhardt R.,
RA   Geider K.;
RT   "The genome of Erwinia tasmaniensis strain Et1/99, a non-pathogenic
RT   bacterium in the genus Erwinia.";
RL   Environ. Microbiol. 10:2211-2222(2008).
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; CU468135; CAO95754.1; -; Genomic_DNA.
DR   RefSeq; WP_012440456.1; NC_010694.1.
DR   AlphaFoldDB; B2VH05; -.
DR   SMR; B2VH05; -.
DR   STRING; 465817.ETA_07080; -.
DR   PRIDE; B2VH05; -.
DR   EnsemblBacteria; CAO95754; CAO95754; ETA_07080.
DR   KEGG; eta:ETA_07080; -.
DR   eggNOG; COG3004; Bacteria.
DR   HOGENOM; CLU_015803_1_0_6; -.
DR   OMA; MGLMLRC; -.
DR   OrthoDB; 1805428at2; -.
DR   Proteomes; UP000001726; 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: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   Reference proteome; Sodium; Sodium transport; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..386
FT                   /note="Na(+)/H(+) antiporter NhaA"
FT                   /id="PRO_1000188434"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        96..116
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        126..146
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        155..175
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        180..200
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        218..238
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        260..280
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        293..313
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        326..346
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        358..378
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
SQ   SEQUENCE   386 AA;  40789 MW;  FA05FA6926293300 CRC64;
     MNLFLKKLLK NDATGGVVLI VAAAFAMFLA NNDSTRHAYQ AMLTLPVQFR FGALDINKDL
     LLWINDALMA LFFLMIGLEV KRELMMGSLK GRERAMFPLI AALGGMLAPG LIYAAFNHQD
     AQAIHGWAIP TATDIAFALG ILALLGSRVP AALKMFLMAL AVIDDLGAIV IIALFYTSEL
     SLISLTVAAA SIAVLAVLNG CGVRKTSVYL AVGMVLWVAV LKSGVHATLA GVIVGLFIPL
     KKQEGHSPAI ELAHGLHPWV SWLILPLFAF ANAGISLSGV SLNGLFSAVP LGITLGLFIG
     KPLGITLICW LAVKLKIAAL PENTRLIDIA AVGVLCGIGF TMSIFIASLA FDGAHEELVT
     LAKLGILSGS VISALVGYTL LRVKLR