ID   KDPA_JANMA              Reviewed;         600 AA.
AC   A6SZ16;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 84.
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}; OrderedLocusNames=mma_1823;
OS   Janthinobacterium sp. (strain Marseille) (Minibacterium massiliensis).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Oxalobacteraceae; Janthinobacterium.
OX   NCBI_TaxID=375286;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Marseille;
RX   PubMed=17722982; DOI=10.1371/journal.pgen.0030138;
RA   Audic S., Robert C., Campagna B., Parinello H., Claverie J.-M., Raoult D.,
RA   Drancourt M.;
RT   "Genome analysis of Minibacterium massiliensis highlights the convergent
RT   evolution of water-living bacteria.";
RL   PLoS Genet. 3:1454-1463(2007).
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 periplasmic 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 inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00275}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00275}.
CC   -!- SIMILARITY: Belongs to the KdpA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00275}.
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DR   EMBL; CP000269; ABR89630.1; -; Genomic_DNA.
DR   RefSeq; WP_012079676.1; NC_009659.1.
DR   AlphaFoldDB; A6SZ16; -.
DR   SMR; A6SZ16; -.
DR   STRING; 375286.mma_1823; -.
DR   EnsemblBacteria; ABR89630; ABR89630; mma_1823.
DR   KEGG; mms:mma_1823; -.
DR   eggNOG; COG2060; Bacteria.
DR   HOGENOM; CLU_018614_3_0_4; -.
DR   OMA; RQGWAIL; -.
DR   OrthoDB; 296671at2; -.
DR   BioCyc; JSP375286:MMA_RS09435-MON; -.
DR   Proteomes; UP000006388; 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 inner membrane; Cell membrane; Ion transport; Membrane; Potassium;
KW   Potassium transport; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..600
FT                   /note="Potassium-transporting ATPase potassium-binding
FT                   subunit"
FT                   /id="PRO_1000022226"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        65..85
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        136..156
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        179..199
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        283..303
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        314..334
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        367..387
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        419..439
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        458..478
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        523..543
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT   TRANSMEM        566..586
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
SQ   SEQUENCE   600 AA;  63341 MW;  717ED2EAD48C1B70 CRC64;
     MTTQSIILLA VFLLVLLVLA YPLGTYLAKV GGTAPIRGLG WLARFEQFLY RMAGSNAQTE
     MSWKGYAIAL LVFNVLGTFF VYAVQRMQAW LPLNPQAFGN VSPDSSFNTA VSFVANTNWQ
     GYGGESTMSY LTQMLALSGQ NFFSAATGIA VIYALIRGFS HRSVKSIGNF WVDLTRSTLY
     VLLPLSVIVA VVLMSQGVIQ NFSSYKDVAL IDPITYQQPK VGTDGQPVVD DKGAPVLETL
     TAKTQTIAMG PVASQEAIKM LGTNGGGFFN ANSAHPYENP TAFSNLVEML AIFLIPAALC
     FTFGRMVGDM RQGWAILGAM TLLFVVLTAV VMGAEQQAHP GLAALGVDQG ASLMQAGGNM
     EGKETRFGIS ASTLFAAVTT AASCGAVNAM HDSFTPLGGM IPTVLMQLGE VVFGGVGTGL
     YGMLVFAILA VFIAGLMIGR TPEYLGKKIQ AYEMKMASLV ILVTPCLVLL GTAIAVVLDP
     GKAGILNPGA HGFSEVLYAF TSAANNNGSA FAGLSANTPF YNVMLAIAMW FGRFAVIVPV
     LAIAGSLAAK KRLEVNAGTM PTHGPLFIAL LVGTVLLVGV LNYVPALALG PVVEHLQLFK