ID   ATP6_CHLCH              Reviewed;         345 AA.
AC   Q3ANW6;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 95.
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=Cag_0064;
OS   Chlorobium chlorochromatii (strain CaD3).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC   Chlorobium/Pelodictyon group; Chlorobium.
OX   NCBI_TaxID=340177;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CaD3;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Chlorobium chlorochromatii CaD3.";
RL   Submitted (AUG-2005) 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 four main
CC       subunits: a, b, b' and c. {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; CP000108; ABB27343.1; -; Genomic_DNA.
DR   RefSeq; WP_011361118.1; NC_007514.1.
DR   AlphaFoldDB; Q3ANW6; -.
DR   SMR; Q3ANW6; -.
DR   STRING; 340177.Cag_0064; -.
DR   EnsemblBacteria; ABB27343; ABB27343; Cag_0064.
DR   KEGG; cch:Cag_0064; -.
DR   eggNOG; COG0356; Bacteria.
DR   HOGENOM; CLU_041018_0_0_10; -.
DR   OMA; NMTAGHI; -.
DR   OrthoDB; 867266at2; -.
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; IPR023011; ATP_synth_F0_asu_AS.
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.
DR   PROSITE; PS00449; ATPASE_A; 1.
PE   3: Inferred from homology;
KW   ATP synthesis; Cell inner membrane; Cell membrane; CF(0);
KW   Hydrogen ion transport; Ion transport; Membrane; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..345
FT                   /note="ATP synthase subunit a"
FT                   /id="PRO_0000362270"
FT   TRANSMEM        12..32
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        111..131
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        172..192
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        195..215
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        240..260
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        273..293
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        307..327
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ   SEQUENCE   345 AA;  37049 MW;  658409DCEF2E3EF2 CRC64;
     MERSSIFQPK RFVKVFAVLL PLLFNGYSVS GANPTEAPVA QHTEVTANAA ESAHVAEAGA
     AHGAEGHGEE KAGDVIMHHI LDSNVIAFDP FGEVDLPKIV VAGFDISITK HVVMLWVVSA
     IVIALFAAAN GQYKTGSAMR APKGIANALE ALVDFIRLDV AKANIGKGYE KYLPYLLTVF
     FFILVCNLLG LVPYGATATG NINVTLTLAT FTFFLTQAAA LKAHGIKGYL AHLTGGTHPA
     LWIIMIPIEF IGLFTKPVAL TIRLFANMTA GHIVILSLIF ISFILKSYIV AVVMSVPFSI
     FIYLLELFVA FLQAFIFTML SALFIGLASA HEGGHDEHEA SAAHH