NHAB_SHESW
ID NHAB_SHESW Reviewed; 528 AA.
AC A1RKH2;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 25-MAY-2022, entry version 73.
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};
GN OrderedLocusNames=Sputw3181_2343;
OS Shewanella sp. (strain W3-18-1).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Shewanellaceae; Shewanella.
OX NCBI_TaxID=351745;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=W3-18-1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Lykidis A., Tiedje J., Richardson P.;
RT "Complete sequence of Shewanella sp. W3-18-1.";
RL Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000503; ABM25167.1; -; Genomic_DNA.
DR RefSeq; WP_011789632.1; NC_008750.1.
DR AlphaFoldDB; A1RKH2; -.
DR SMR; A1RKH2; -.
DR KEGG; shw:Sputw3181_2343; -.
DR HOGENOM; CLU_041110_0_0_6; -.
DR OMA; QFEMLAV; -.
DR Proteomes; UP000002597; 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..528
FT /note="Na(+)/H(+) antiporter NhaB"
FT /id="PRO_0000333138"
FT TRANSMEM 10..30
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 63..83
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 96..116
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 131..165
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 204..224
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 240..260
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 305..325
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 359..379
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 391..411
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 449..469
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
FT TRANSMEM 476..496
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01599"
SQ SEQUENCE 528 AA; 57494 MW; 19A17DEB3D5FDC2F CRC64;
MPLTMSQAFI GNFLGNSPKW YKIAILSFLI INPILFFYVS PFVAGWVLVL EFIFTLAMAL
KCYPLQPGGL LAIEAVAIGM TSANQVLHEI EANLEVLLLL VFMVAGIYFM KQLLLFAFTK
IITKVRSKIL VSLMFCLTSA FLSAFLDALT VIAVIIAVAV GFYAIYHKVA SGKDFSAVHD
HTSESNTQLN NSELESFRGF LRNLLMHAGV GTALGGVCTM VGEPQNLIIA AQANWQFGEF
VVRMSPVTVP VLIAGILTCL LVEKFRIFGY GAKLPDAVHK ILCDYAAHED AHRTNKDKMK
LVIQVLVGVW LIAGLALHLA SVGLVGLSVI ILTTAFNGIT DEHALGKAFE EALPFTALLA
VFFAVVAVII DQHLFAPVIQ WALSYEGNTQ LVIFYIANGL LSMVSDNVFV GTVYINEVKA
ALIDGQITRD QFDLLAVAIN TGTNLPSVAT PNGQAAFLFL LTSALAPLIR LSYGRMVWMA
LPYTIVLSVV GVLAIETGFL EQATQYFYDS HMIIHHSAKD VIAPLTSH