ID   ATPI_DIALT              Reviewed;          17 AA.
AC   P28529;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   25-MAY-2022, entry version 74.
DE   RecName: Full=ATP synthase subunit a, chloroplastic;
DE   AltName: Full=ATP synthase F0 sector subunit a;
DE   AltName: Full=F-ATPase subunit IV;
DE   Flags: Fragment;
GN   Name=atpI;
OS   Diacronema lutheri (Unicellular marine alga) (Monochrysis lutheri).
OG   Plastid; Chloroplast.
OC   Eukaryota; Haptista; Haptophyta; Pavlovales; Pavlovaceae; Diacronema.
OX   NCBI_TaxID=2081491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1618309; DOI=10.1016/0014-5793(92)80601-c;
RA   Scaramuzzi C.D., Stokes H.W., Hiller R.G.;
RT   "Characterisation of a chloroplast-encoded secY homologue and atpH from a
RT   chromophytic alga. Evidence for a novel chloroplast genome organisation.";
RL   FEBS Lett. 304:119-123(1992).
CC   -!- FUNCTION: Key component of the proton channel; it plays a direct role
CC       in the translocation of protons across the membrane. {ECO:0000250}.
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 (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the ATPase A chain family. {ECO:0000305}.
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DR   EMBL; X64731; CAA45996.1; -; Genomic_DNA.
DR   PIR; S23423; S23423.
DR   AlphaFoldDB; P28529; -.
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:0045263; C:proton-transporting ATP synthase complex, coupling factor F(o); IEA:UniProtKB-KW.
DR   GO; GO:0006754; P:ATP biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0006811; P:ion transport; IEA:UniProtKB-KW.
PE   3: Inferred from homology;
KW   ATP synthesis; CF(0); Chloroplast; Hydrogen ion transport; Ion transport;
KW   Membrane; Plastid; Thylakoid; Transmembrane; Transport.
FT   CHAIN           <1..17
FT                   /note="ATP synthase subunit a, chloroplastic"
FT                   /id="PRO_0000082078"
FT   NON_TER         1
SQ   SEQUENCE   17 AA;  1753 MW;  F313DCE74C23CF2E CRC64;
     ALIFATLSAA YIGEALE