ID   ATPZ_NOSS1              Reviewed;         122 AA.
AC   P12403;
DT   01-OCT-1989, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2002, sequence version 2.
DT   25-MAY-2022, entry version 103.
DE   RecName: Full=ATP synthase protein I;
GN   Name=atpI; Synonyms=atp1; OrderedLocusNames=all0011;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2900236; DOI=10.1128/jb.170.8.3448-3458.1988;
RA   McCarn D.F., Whitaker R.A., Alam J., Vrba J.M., Curtis S.E.;
RT   "Genes encoding the alpha, gamma, delta, and four F0 subunits of ATP
RT   synthase constitute an operon in the cyanobacterium Anabaena sp. strain PCC
RT   7120.";
RL   J. Bacteriol. 170:3448-3458(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
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}.
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DR   EMBL; AF242564; AAA21985.1; -; Genomic_DNA.
DR   EMBL; BA000019; BAB77535.1; -; Genomic_DNA.
DR   PIR; A31090; A31090.
DR   PIR; AC1808; AC1808.
DR   AlphaFoldDB; P12403; -.
DR   STRING; 103690.17134989; -.
DR   EnsemblBacteria; BAB77535; BAB77535; BAB77535.
DR   KEGG; ana:all0011; -.
DR   eggNOG; ENOG5032SW6; Bacteria.
DR   OMA; NYLLGAC; -.
DR   Proteomes; UP000002483; 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: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   Reference proteome; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..122
FT                   /note="ATP synthase protein I"
FT                   /id="PRO_0000071701"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        32..52
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        88..108
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   CONFLICT        82
FT                   /note="S -> A (in Ref. 1; AAA21985)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   122 AA;  14063 MW;  7598947ECF4B9A67 CRC64;
     MQEFYQLYQE LVLITLVLTG VVFISVWIFY SLNIALNYLL GACTGVVYLR MLAKDVERLG
     REKQSLSKTR LALLMALILL ASRWNQLQIM PIFLGFLTYK ATLIIYVVRV AFISDSPKLR
     QP