ID   NHAA_FLAPJ              Reviewed;         384 AA.
AC   A6H0G8;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 81.
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=FP1774;
OS   Flavobacterium psychrophilum (strain ATCC 49511 / DSM 21280 / CIP 103535 /
OS   JIP02/86).
OC   Bacteria; Bacteroidetes; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Flavobacterium.
OX   NCBI_TaxID=402612;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49511 / DSM 21280 / CIP 103535 / JIP02/86;
RX   PubMed=17592475; DOI=10.1038/nbt1313;
RA   Duchaud E., Boussaha M., Loux V., Bernardet J.-F., Michel C., Kerouault B.,
RA   Mondot S., Nicolas P., Bossy R., Caron C., Bessieres P., Gibrat J.-F.,
RA   Claverol S., Dumetz F., Le Henaff M., Benmansour A.;
RT   "Complete genome sequence of the fish pathogen Flavobacterium
RT   psychrophilum.";
RL   Nat. Biotechnol. 25:763-769(2007).
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; AM398681; CAL43841.1; -; Genomic_DNA.
DR   RefSeq; WP_011963884.1; NC_009613.3.
DR   RefSeq; YP_001296648.1; NC_009613.3.
DR   AlphaFoldDB; A6H0G8; -.
DR   SMR; A6H0G8; -.
DR   STRING; 402612.FP1774; -.
DR   EnsemblBacteria; CAL43841; CAL43841; FP1774.
DR   GeneID; 66552040; -.
DR   KEGG; fps:FP1774; -.
DR   PATRIC; fig|402612.5.peg.1793; -.
DR   eggNOG; COG3004; Bacteria.
DR   HOGENOM; CLU_015803_1_0_10; -.
DR   OMA; WHTPFGF; -.
DR   Proteomes; UP000006394; 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..384
FT                   /note="Na(+)/H(+) antiporter NhaA"
FT                   /id="PRO_0000334293"
FT   TRANSMEM        17..37
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        53..73
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        89..109
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        118..138
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        147..167
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        171..191
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        198..218
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        251..271
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        283..303
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        321..341
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT   TRANSMEM        354..374
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
SQ   SEQUENCE   384 AA;  41843 MW;  EE0FF42A8DB5CF09 CRC64;
     MKITGLFKEF FESEKSSGLF LISCTLFSLV IANSAIANSY LHFWHANLAG NSLEYWINDG
     LMTIFFLLIG LELEREVYDG ELSNIKDAML PIFGAIGGMI VPAGLFLVMN FGTKTQSGAG
     IPMATDIAFA LAILSLLGNK IPLSLKIFLT ALAVIDDLGA ILIIAVFYTK TLLWTNLCIA
     LGIFGFLLIL NRLKIRNLIP YLIGGVFMWY FMLHSGVHAT ITGVLLAFAI PFGNGDSRST
     SYILQHFLHK PVAFFILPLF ALANTAIVLS SNISETLIQN YSIGIALGLI IGKPLGIFLL
     SMLAVSLGIC KLPDDLNWKS ILAVGFLGGI GFTMSIFITL LAFNDDTIIN NAKFVILISS
     LIAGIIGYFS LKYVLKNTII ENKN