ID   ATP6_RHIWR              Reviewed;         261 AA.
AC   A5VEV5;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=ATP synthase subunit a {ECO:0000255|HAMAP-Rule:MF_01393};
DE   AltName: Full=ATP synthase F0 sector subunit a {ECO:0000255|HAMAP-Rule:MF_01393};
DE   AltName: Full=F-ATPase subunit 6 {ECO:0000255|HAMAP-Rule:MF_01393};
GN   Name=atpB {ECO:0000255|HAMAP-Rule:MF_01393}; OrderedLocusNames=Swit_4483;
OS   Rhizorhabdus wittichii (strain DSM 6014 / CCUG 31198 / JCM 15750 / NBRC
OS   105917 / EY 4224 / RW1) (Sphingomonas wittichii).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Rhizorhabdus.
OX   NCBI_TaxID=392499;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 6014 / CCUG 31198 / JCM 15750 / NBRC 105917 / EY 4224 / RW1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Kim E., Halden R.U., Miller T.R., Salzberg S.L., Eisen J.A.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Sphingomonas wittichii RW1.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Key component of the proton channel; it plays a direct role
CC       in the translocation of protons across the membrane.
CC       {ECO:0000255|HAMAP-Rule:MF_01393}.
CC   -!- SUBUNIT: F-type ATPases have 2 components, CF(1) - the catalytic core
CC       - and CF(0) - the membrane proton channel. CF(1) has five subunits:
CC       alpha(3), beta(3), gamma(1), delta(1), epsilon(1). CF(0) has three main
CC       subunits: a(1), b(2) and c(9-12). The alpha and beta chains form an
CC       alternating ring which encloses part of the gamma chain. CF(1) is
CC       attached to CF(0) by a central stalk formed by the gamma and epsilon
CC       chains, while a peripheral stalk is formed by the delta and b chains.
CC       {ECO:0000255|HAMAP-Rule:MF_01393}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01393}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01393}.
CC   -!- SIMILARITY: Belongs to the ATPase A chain family. {ECO:0000255|HAMAP-
CC       Rule:MF_01393}.
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DR   EMBL; CP000699; ABQ70821.1; -; Genomic_DNA.
DR   RefSeq; WP_012050657.1; NC_009511.1.
DR   AlphaFoldDB; A5VEV5; -.
DR   SMR; A5VEV5; -.
DR   STRING; 392499.Swit_4483; -.
DR   EnsemblBacteria; ABQ70821; ABQ70821; Swit_4483.
DR   KEGG; swi:Swit_4483; -.
DR   eggNOG; COG0356; Bacteria.
DR   HOGENOM; CLU_041018_0_2_5; -.
DR   OMA; FFDQFMS; -.
DR   OrthoDB; 867266at2; -.
DR   Proteomes; UP000001989; 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:0045263; C:proton-transporting ATP synthase complex, coupling factor F(o); IEA:UniProtKB-KW.
DR   GO; GO:0046933; F:proton-transporting ATP synthase activity, rotational mechanism; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.20.120.220; -; 1.
DR   HAMAP; MF_01393; ATP_synth_a_bact; 1.
DR   InterPro; IPR000568; ATP_synth_F0_asu.
DR   InterPro; IPR045083; ATP_synth_F0_asu_bact/mt.
DR   InterPro; IPR035908; F0_ATP_A_sf.
DR   PANTHER; PTHR11410; PTHR11410; 1.
DR   Pfam; PF00119; ATP-synt_A; 1.
DR   PRINTS; PR00123; ATPASEA.
DR   SUPFAM; SSF81336; SSF81336; 1.
DR   TIGRFAMs; TIGR01131; ATP_synt_6_or_A; 1.
PE   3: Inferred from homology;
KW   ATP synthesis; Cell inner membrane; Cell membrane; CF(0);
KW   Hydrogen ion transport; Ion transport; Membrane; Reference proteome;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..261
FT                   /note="ATP synthase subunit a"
FT                   /id="PRO_0000362473"
FT   TRANSMEM        31..51
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        64..84
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        97..117
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        126..146
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        166..188
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        201..223
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        235..255
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ   SEQUENCE   261 AA;  28425 MW;  F1ED87DC540198DD CRC64;
     MAAESGKIDP MHQFMIEPLF GQGWSIAGHN IAFTNSAMWM VVTLAALLIF MIGGMKRDLV
     PGRWQAAVES FTGFVAGMMA TNIGPEGKKF TPYVFSLFMF ILIANIMGMM PTGVVGVHPF
     TVTSHLTVTG VLAVISFSIV LVVGFWRHGF HFFSLFVPHG TPGYMIPMIF VIELFSFLIR
     PFSLGLRLFV AMTAGHILMK VLAGFVINGI NAGALTVAIV SIPSFILMIG ITLLELLVCA
     IQAYVFALLT SLYLNDAINL H