ID   ATP62_CHLP8             Reviewed;         350 AA.
AC   B3QLV3;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=ATP synthase subunit a 2 {ECO:0000255|HAMAP-Rule:MF_01393};
DE   AltName: Full=ATP synthase F0 sector subunit a 2 {ECO:0000255|HAMAP-Rule:MF_01393};
DE   AltName: Full=F-ATPase subunit 6 2 {ECO:0000255|HAMAP-Rule:MF_01393};
DE   Flags: Precursor;
GN   Name=atpB2 {ECO:0000255|HAMAP-Rule:MF_01393}; OrderedLocusNames=Cpar_2052;
OS   Chlorobaculum parvum (strain DSM 263 / NCIMB 8327) (Chlorobium vibrioforme
OS   subsp. thiosulfatophilum).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chlorobaculum.
OX   NCBI_TaxID=517417;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 263 / NCIMB 8327;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Zhao F., Li T., Liu Z., Overmann J.,
RA   Bryant D.A., Richardson P.;
RT   "Complete sequence of Chlorobaculum parvum NCIB 8327.";
RL   Submitted (JUN-2008) 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; CP001099; ACF12439.1; -; Genomic_DNA.
DR   RefSeq; WP_012503272.1; NC_011027.1.
DR   AlphaFoldDB; B3QLV3; -.
DR   SMR; B3QLV3; -.
DR   STRING; 517417.Cpar_2052; -.
DR   EnsemblBacteria; ACF12439; ACF12439; Cpar_2052.
DR   KEGG; cpc:Cpar_2052; -.
DR   eggNOG; COG0356; Bacteria.
DR   HOGENOM; CLU_041018_0_0_10; -.
DR   OMA; NMTAGHI; -.
DR   OrthoDB; 867266at2; -.
DR   Proteomes; UP000008811; 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; 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; Signal; Transmembrane;
KW   Transmembrane helix; Transport.
FT   SIGNAL          1..26
FT                   /evidence="ECO:0000255"
FT   CHAIN           27..350
FT                   /note="ATP synthase subunit a 2"
FT                   /id="PRO_5000378220"
FT   TRANSMEM        117..137
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        178..198
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        206..226
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        247..267
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        269..289
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        294..314
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        315..335
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ   SEQUENCE   350 AA;  37658 MW;  CEE2E712C0D5BC85 CRC64;
     MRVKANSKIL ALIVPVLLSL NSLVCANPVQ EDMSAHESLP AAAAPAEVHA PVEVHNAAGT
     HVETAHESAV EGHEEKAGDV IMHHVQDSNV LAFEPFGEIE LPHLQLGSLD ISITKHVVMM
     WVAAVILILV GAAAGAGVKK ISVKQAPSGI ANVMEALVDF IRLDVAKSNI GHGYEKHLPY
     LISVFFFILV CNLLGLIPYG ATATGNINVT LALSIFTFFI TQIAAFKELG VGGYVKHLTA
     GTHWSLWIIM IPIEIIGQFT KPVALTIRLF ANMTAGHIII LSLIFISFIL ESYIVAAAVS
     VPFAIFIYLL EIFVAFLQAF VFTMLSALFI GLATAHESHD SHELEASGHH