ID   ATPZ_BACP3              Reviewed;         127 AA.
AC   P09354;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=ATP synthase protein I;
GN   Name=atpI;
OS   Bacillus sp. (strain PS3).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=2334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2894854; DOI=10.1016/0005-2728(88)90064-3;
RA   Ohta S., Yohda M., Ishizuka M., Hirata H., Hamamoto T.,
RA   Otawara-Hamamoto Y., Matsuda K., Kagawa Y.;
RT   "Sequence and over-expression of subunits of adenosine triphosphate
RT   synthase in thermophilic bacterium PS3.";
RL   Biochim. Biophys. Acta 933:141-155(1988).
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; X07804; CAA30647.1; -; Genomic_DNA.
DR   AlphaFoldDB; P09354; -.
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   InterPro; IPR039072; ATP_synth_I_Bacilli.
DR   PANTHER; PTHR40035; PTHR40035; 1.
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..127
FT                   /note="ATP synthase protein I"
FT                   /id="PRO_0000071704"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        34..54
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        72..92
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        97..117
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   127 AA;  14596 MW;  6F2088548DEB22F6 CRC64;
     MGNLQAMFWR QVRYILYLLA IYTLGFGFTP YKTVFLSLIL GTSISLLMVW NLTWKIEKFG
     QAVAARKKVR TLGTLSRLAL AALAAVIVLT YPQYFHIVPT VLGLMTSYIV IIIDFFFHKW
     KNDKLQA