ID   MNHA1_STAA3             Reviewed;         801 AA.
AC   Q2FIC3;
DT   05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Na(+)/H(+) antiporter subunit A1;
DE   AltName: Full=Mnh complex subunit A1;
GN   Name=mnhA1; OrderedLocusNames=SAUSA300_0855;
OS   Staphylococcus aureus (strain USA300).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=367830;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=USA300;
RX   PubMed=16517273; DOI=10.1016/s0140-6736(06)68231-7;
RA   Diep B.A., Gill S.R., Chang R.F., Phan T.H., Chen J.H., Davidson M.G.,
RA   Lin F., Lin J., Carleton H.A., Mongodin E.F., Sensabaugh G.F.,
RA   Perdreau-Remington F.;
RT   "Complete genome sequence of USA300, an epidemic clone of community-
RT   acquired meticillin-resistant Staphylococcus aureus.";
RL   Lancet 367:731-739(2006).
CC   -!- FUNCTION: Mnh complex is a Na(+)/H(+) antiporter involved in Na(+)
CC       excretion. {ECO:0000250}.
CC   -!- SUBUNIT: May form a heterooligomeric complex that consists of seven
CC       subunits: mnhA1, mnhB1, mnhC1, mnhD1, mnhE1, mnhF1 and mnhG1.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC       protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the CPA3 antiporters (TC 2.A.63) subunit A
CC       family. {ECO:0000305}.
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DR   EMBL; CP000255; ABD21846.1; -; Genomic_DNA.
DR   RefSeq; WP_000054609.1; NZ_CP027476.1.
DR   AlphaFoldDB; Q2FIC3; -.
DR   SMR; Q2FIC3; -.
DR   EnsemblBacteria; ABD21846; ABD21846; SAUSA300_0855.
DR   KEGG; saa:SAUSA300_0855; -.
DR   HOGENOM; CLU_007100_2_1_9; -.
DR   OMA; AFILQYM; -.
DR   Proteomes; UP000001939; 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:0005451; F:monovalent cation:proton antiporter activity; IEA:InterPro.
DR   GO; GO:0098662; P:inorganic cation transmembrane transport; IEA:InterPro.
DR   GO; GO:0006814; P:sodium ion transport; IEA:UniProtKB-KW.
DR   InterPro; IPR025383; MbhD-like_TM.
DR   InterPro; IPR005663; MrpA/MnhA1/PhaAB.
DR   InterPro; IPR001750; ND/Mrp_mem.
DR   InterPro; IPR001516; Proton_antipo_N.
DR   Pfam; PF13244; DUF4040; 1.
DR   Pfam; PF00361; Proton_antipo_M; 1.
DR   Pfam; PF00662; Proton_antipo_N; 1.
DR   TIGRFAMs; TIGR00940; 2a6301s01; 1.
PE   3: Inferred from homology;
KW   Antiport; Cell membrane; Hydrogen ion transport; Ion transport; Membrane;
KW   Sodium; Sodium transport; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..801
FT                   /note="Na(+)/H(+) antiporter subunit A1"
FT                   /id="PRO_0000372100"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        28..48
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        79..99
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        117..137
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        166..186
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        206..226
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        265..285
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        300..320
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        337..357
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        373..393
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        427..447
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        472..492
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        522..542
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        591..611
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        623..643
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        646..666
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        671..691
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        707..727
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        764..784
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   801 AA;  89396 MW;  A57CE4814B59367F CRC64;
     MSLLHIAVIL PLIFALIIPI LYRFFKRIHL GWFVLPVPIV IFIYMLTLIK TTMSGNTVMK
     TLNWMPHFGM NFDLYLDGLG LLFSLLISGI GSLVVLYSIG YLSKSEQLGN FYCYLLLFMG
     AMLGVVLSDN VIILYLFWEL TSFSSFLLIS FWRERQASIY GAQKSLIITV FGGLSLLGGI
     ILLAIPTQSF SIQYMIQHAS EIQNSPFFIF AMILIMIGAF TKSAQFPFYI WLPDAMEAPT
     PVSAYLHSAT MVKAGLYLIA RMTPIFAASQ GWVWTVTLVG LITLFWASLN ATKQQDLKGI
     LAFSTVSQLG MIMAMLGIGA ISYHYQGDDS KIYAAAFTAA IFHLINHATF KGALFMITGA
     VDHSTGTRDV KKLGGLLTIM PISFTITVIT ALSMAGVPPF NGFLSKESFL ETTFTASQAN
     LFSVDTLGYL FPIIGIVGSV FTFVYSIKFI MHIFFGQYKP EQLPKKAHEV SILMLLSPAI
     LATLVIVFGL FPGILTNSII EPATSSINHT VIDDVEFHMF HGLTPAFLST LVIYILGILL
     IVTFSYWVKL LQRQPGKLTF NYWYNRSANV IPNYSEKMTN SYVTDYSRNN LVIIFGALIL
     LTFVTIFSVP FNINFKDVSP IRIFEVCIVI LLLSAAFLIL FAKSRLFSII MLSAVGYAVS
     VLFIFFKAPD LALTQFVVES ISTALFLLCF YHLPNLNRYN EKRSFQLTNA LIAGGVGLSV
     IIIGLIAYGN RHFESISKFY QEHVYDLAHG KNMVNVILVD FRGMDTLFES SVLGIAGLAV
     YTMIKLRKKR QTQGNEVKNH E