ID   ATPI_ANGEV              Reviewed;         248 AA.
AC   A2T320;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   06-MAR-2007, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=ATP synthase subunit a, chloroplastic {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 IV {ECO:0000255|HAMAP-Rule:MF_01393};
GN   Name=atpI {ECO:0000255|HAMAP-Rule:MF_01393};
OS   Angiopteris evecta (Mule's foot fern) (Polypodium evectum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Polypodiopsida; Marattiidae; Marattiales; Marattiaceae; Angiopteris.
OX   NCBI_TaxID=13825;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Roper J.M., Hansen S.K., Wolf P.G., Karol K.G., Mandoli D.F.,
RA   Everett K.D.E., Kuehl J., Boore J.L.;
RT   "The complete plastid genome sequence of Angiopteris evecta (G. Forst.)
RT   Hoffm. (Marattiaceae).";
RL   Am. Fern J. 97:95-106(2007).
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: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01393}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-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; DQ821119; ABG79587.1; -; Genomic_DNA.
DR   RefSeq; YP_001023688.1; NC_008829.1.
DR   AlphaFoldDB; A2T320; -.
DR   SMR; A2T320; -.
DR   GeneID; 4788216; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-UniRule.
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; IPR045082; ATP_syn_F0_a_bact/chloroplast.
DR   InterPro; IPR000568; ATP_synth_F0_asu.
DR   InterPro; IPR023011; ATP_synth_F0_asu_AS.
DR   InterPro; IPR035908; F0_ATP_A_sf.
DR   PANTHER; PTHR42823; PTHR42823; 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; CF(0); Chloroplast; Hydrogen ion transport; Ion transport;
KW   Membrane; Plastid; Thylakoid; Transmembrane; Transmembrane helix;
KW   Transport.
FT   CHAIN           1..248
FT                   /note="ATP synthase subunit a, chloroplastic"
FT                   /id="PRO_0000362529"
FT   TRANSMEM        37..57
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        96..116
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        135..155
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        200..220
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT   TRANSMEM        221..241
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ   SEQUENCE   248 AA;  27641 MW;  A571A3B9F3DA89A1 CRC64;
     MDIEQPSINV INSLYQISGV EVGQHFYLQI GNFQVHAQVL ITSWVVIAIL LGLSIVATRD
     LQTIPTGSQN FIEYVLEFIR DLTRTQIGEE EYRPWVPFIG TMFLFIFVSN WSGALFPWRI
     IQLPHGELAA PTNDINTTVA LALLTSVAYF YAGLHKRGLS YFGKYIQPTP VLLPINILED
     FTKPLSLSFR LFGNILADEL VVAVLISLVP LVVPIPMMFL GLFTSAIQAL IFATLAAAYI
     GESMEGHH