ID   KDPA_BACC0              Reviewed;         555 AA.
AC   B7JRB7;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Potassium-transporting ATPase potassium-binding subunit {ECO:0000255|HAMAP-Rule:MF_00275};
DE   AltName: Full=ATP phosphohydrolase [potassium-transporting] A chain {ECO:0000255|HAMAP-Rule:MF_00275};
DE   AltName: Full=Potassium-binding and translocating subunit A {ECO:0000255|HAMAP-Rule:MF_00275};
DE   AltName: Full=Potassium-translocating ATPase A chain {ECO:0000255|HAMAP-Rule:MF_00275};
GN   Name=kdpA {ECO:0000255|HAMAP-Rule:MF_00275};
GN   OrderedLocusNames=BCAH820_0815;
OS   Bacillus cereus (strain AH820).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=405535;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AH820;
RA   Dodson R.J., Durkin A.S., Rosovitz M.J., Rasko D.A., Hoffmaster A.,
RA   Ravel J., Sutton G.;
RT   "Genome sequence of Bacillus cereus AH820.";
RL   Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Part of the high-affinity ATP-driven potassium transport (or
CC       Kdp) system, which catalyzes the hydrolysis of ATP coupled with the
CC       electrogenic transport of potassium into the cytoplasm. This subunit
CC       binds the extracellular potassium ions and delivers the ions to the
CC       membrane domain of KdpB through an intramembrane tunnel.
CC       {ECO:0000255|HAMAP-Rule:MF_00275}.
CC   -!- SUBUNIT: The system is composed of three essential subunits: KdpA, KdpB
CC       and KdpC. {ECO:0000255|HAMAP-Rule:MF_00275}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00275};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00275}.
CC   -!- SIMILARITY: Belongs to the KdpA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00275}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001283; ACK92424.1; -; Genomic_DNA.
DR   RefSeq; WP_000638356.1; NC_011773.1.
DR   AlphaFoldDB; B7JRB7; -.
DR   SMR; B7JRB7; -.
DR   EnsemblBacteria; ACK92424; ACK92424; BCAH820_0815.
DR   KEGG; bcu:BCAH820_0815; -.
DR   HOGENOM; CLU_018614_3_0_9; -.
DR   OMA; RQGWAIL; -.
DR   Proteomes; UP000001363; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:0008556; F:P-type potassium transmembrane transporter activity; IEA:InterPro.
DR   GO; GO:0030955; F:potassium ion binding; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00275; KdpA; 1.
DR   InterPro; IPR004623; KdpA.
DR   PANTHER; PTHR30607; PTHR30607; 1.
DR   Pfam; PF03814; KdpA; 1.
DR   PIRSF; PIRSF001294; K_ATPaseA; 1.
DR   TIGRFAMs; TIGR00680; kdpA; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Ion transport; Membrane; Potassium; Potassium transport;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..555
FT                   /note="Potassium-transporting ATPase potassium-binding
FT                   subunit"
FT                   /id="PRO_1000119330"
FT   TRANSMEM        2..22
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        130..150
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        173..193
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        246..266
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        278..298
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        374..394
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        412..432
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        483..503
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        525..545
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
SQ   SEQUENCE   555 AA;  59813 MW;  54805EFD520DDFA8 CRC64;
     MIWVAVVITM LLFILVAKPT GIYLEKAFQG SKKLDKVFGP FEKLIFKITG VKEYNQTWKQ
     YALSLVLLNG FMIVVVYFIF RLQGVLPLNP AHIEGMEPTL AFNTAISFMT DTNLQHYSGE
     NGLSYLSQLI GITFLMFAAP ATTLALVMAF IRGLAGKELG NFFVDFTRAL TRVFLPIAFV
     TALVFVALGV PQTLDGAVTA QTIDGVKQSI VRGPVASFVS IKELGNNGGG FFGTNSTHPF
     ENPGQMSNIL QMMLMMLLPT ALPFTYGRMV GNKKQGRILF VSLFMVFLLG FITITTSELN
     GNPALNAMGI EHVQGSTEGK EVRFGTVFSS LYATVTTAAE TGAVNTMHDT LTPIGGLVPL
     VNMMLNTVYG GVGAGFVNII MYAIIAVFIS GLMVGRTPEF LGKKIEGKEM KLIAVTILFH
     PLLILGFSAL ALSTSLGTDA ISNLGFHGLT QVVYEYTSSA VNNGSGFEGL GDATTFWNIT
     TGLVMFLGRY FSLVTMLAVA ASLKEKTVVP ETVGTFRTDN GLFGGIFIGT IVIVGALTFF
     PMLVLGPIAE FLTLK