ID NHAA_ACTSZ Reviewed; 389 AA.
AC A6VQU5;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 27-NOV-2024, entry version 91.
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=Asuc_1995;
OS Actinobacillus succinogenes (strain ATCC 55618 / DSM 22257 / CCUG 43843 /
OS 130Z).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Actinobacillus.
OX NCBI_TaxID=339671;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 55618 / DSM 22257 / CCUG 43843 / 130Z;
RX PubMed=21118570; DOI=10.1186/1471-2164-11-680;
RA McKinlay J.B., Laivenieks M., Schindler B.D., McKinlay A.A.,
RA Siddaramappa S., Challacombe J.F., Lowry S.R., Clum A., Lapidus A.L.,
RA Burkhart K.B., Harkins V., Vieille C.;
RT "A genomic perspective on the potential of Actinobacillus succinogenes for
RT industrial succinate production.";
RL BMC Genomics 11:680-680(2010).
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=Na(+)(in) + 2 H(+)(out) = Na(+)(out) + 2 H(+)(in);
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; CP000746; ABR75342.1; -; Genomic_DNA.
DR AlphaFoldDB; A6VQU5; -.
DR SMR; A6VQU5; -.
DR STRING; 339671.Asuc_1995; -.
DR KEGG; asu:Asuc_1995; -.
DR eggNOG; COG3004; Bacteria.
DR HOGENOM; CLU_015803_1_0_6; -.
DR OrthoDB; 9808135at2; -.
DR Proteomes; UP000001114; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0015385; F:sodium:proton antiporter activity; IEA:TreeGrafter.
DR GO; GO:0006885; P:regulation of pH; IEA:InterPro.
DR Gene3D; 1.20.1530.10; Na+/H+ antiporter like domain; 1.
DR HAMAP; MF_01844; NhaA; 1.
DR InterPro; IPR023171; Na/H_antiporter_dom_sf.
DR InterPro; IPR004670; NhaA.
DR NCBIfam; TIGR00773; NhaA; 1.
DR PANTHER; PTHR30341:SF0; NA(+)_H(+) ANTIPORTER NHAA; 1.
DR PANTHER; PTHR30341; SODIUM ION/PROTON ANTIPORTER NHAA-RELATED; 1.
DR Pfam; PF06965; Na_H_antiport_1; 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..389
FT /note="Na(+)/H(+) antiporter NhaA"
FT /id="PRO_0000334222"
FT TRANSMEM 7..27
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 125..145
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT TRANSMEM 154..174
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT TRANSMEM 176..196
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT TRANSMEM 199..219
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 291..311
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT TRANSMEM 327..347
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
FT TRANSMEM 363..383
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01844"
SQ SEQUENCE 389 AA; 41636 MW; 1A61BE7A2B854C21 CRC64;
MRFLRRFFQL ESSSGILLLI FAMLAMSLAN SSLKSHYFNF LDIPIVMQFG TFAIDKSLLH
WVNDGLMAIF FVLVGMEVKR EMLEGALASY RQAVFPALAA VGGMVVPALI YVLITRSYAE
LSNGWAIPMA TDIAFALGVV ALLGARVPLP LKVFLLALAI IDDLGAIVVI ALFFSEQLSV
PALTIAAFSI FGLLVLNRMK VGHLCGYLLF GGILWASVLK SGVHATLAGV IIGFSIPLKD
RRGNRLLHAF EHTLAPWCSF LILPLFAFAN AGVSLGSINV ASVFSPLPMG IALGLLLGKP
LGVFGFCFLA VKLRLAKLPE GVDFKQILAV AVLCGIGFTM SMFLSSLAFG GESTSTINTL
SRLGILLGSG LSAVIGYLLL RAFTKPAEN
//
