ID   ATPZ_SYNP1              Reviewed;         115 AA.
AC   Q05376;
DT   01-FEB-1994, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 2.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=ATP synthase protein I;
GN   Name=atpI;
OS   Synechococcus sp. (strain PCC 6716).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=32048;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8363578; DOI=10.1042/bj2940239;
RA   van Walraven H.S., Lutter R., Walker J.E.;
RT   "Organization and sequences of genes for the subunits of ATP synthase in
RT   the thermophilic cyanobacterium Synechococcus 6716.";
RL   Biochem. J. 294:239-251(1993).
CC   -!- FUNCTION: A possible function for this protein is to guide the assembly
CC       of the membrane sector of the ATPase enzyme complex.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC       protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the bacterial AtpI family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAA49876.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; X70431; CAA49876.1; ALT_INIT; Genomic_DNA.
DR   PIR; S36966; S36966.
DR   AlphaFoldDB; Q05376; -.
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:0006811; P:ion transport; IEA:UniProtKB-KW.
DR   InterPro; IPR005598; ATP_synth_I.
DR   Pfam; PF03899; ATP-synt_I; 1.
PE   3: Inferred from homology;
KW   Cell membrane; CF(0); Hydrogen ion transport; Ion transport; Membrane;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..115
FT                   /note="ATP synthase protein I"
FT                   /id="PRO_0000071716"
FT   TRANSMEM        10..30
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   115 AA;  13021 MW;  FDF74C7D2C69610A CRC64;
     MAEFYQLCRE LFTTSLVLMA IAFGTVWVIY DLNTALNYLL GASASLIYLR LLARNVERLG
     HDQKKLGKTQ LLVVVAVIIL AARWHELHII PVFLGFLTYK AAILVYMLRT VLPSP