KDPA_CITK8
ID KDPA_CITK8 Reviewed; 559 AA.
AC A8AJB7;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 80.
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=CKO_02463;
OS Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Citrobacter.
OX NCBI_TaxID=290338;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG The Citrobacter koseri Genome Sequencing Project;
RA McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA Johnson M., Thiruvilangam P., Wilson R.;
RL Submitted (AUG-2007) 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 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; CP000822; ABV13580.1; -; Genomic_DNA.
DR RefSeq; WP_012133304.1; NC_009792.1.
DR AlphaFoldDB; A8AJB7; -.
DR SMR; A8AJB7; -.
DR STRING; 290338.CKO_02463; -.
DR EnsemblBacteria; ABV13580; ABV13580; CKO_02463.
DR GeneID; 45136351; -.
DR KEGG; cko:CKO_02463; -.
DR HOGENOM; CLU_018614_3_0_6; -.
DR OMA; RQGWAIL; -.
DR OrthoDB; 296671at2; -.
DR Proteomes; UP000008148; 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..559
FT /note="Potassium-transporting ATPase potassium-binding
FT subunit"
FT /id="PRO_1000022215"
FT TRANSMEM 5..25
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 63..83
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 132..152
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 170..190
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 250..270
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 329..349
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 356..376
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 379..399
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 416..436
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 484..504
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 524..544
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
SQ SEQUENCE 559 AA; 59519 MW; 6252205F89339034 CRC64;
MAAQGFLLTA SFLLILFVLA RPLGVGLARL INDIPLPGTA SVERLLWRGL GISTQEMDWK
QYLLAILTLN LLGLTVLFLM LLGQNLLPLN PQQLPGLSWH LALNTAISFV TNTNWQSYGG
ETTLSYFSQM AGLTVQNFLS AATGIAVIFA LIRAFTRQNI DTLGNAWMDL VRITLWILLP
LALLIALLFI QQGALQNLLP YQSFTSVEGV KQLLPMGPVA SQEAIKMLGT NGGGFFNANS
SHPFENPSAL TNMVQMLAIF LIPAALCFAF GDASGDRRQG QMLLWAMSII FVVCVAVVMS
AEVQGNPHLL KFGTDSSLNM EGKESRFGVL VSSLFAVVTT AASCGAVIAM HDSFTALGGM
VPMWLMQIGE VVFGGVGSGL YGMLLFVLLA VFIAGLMIGR TPEYLGKKID VREMKMTALA
ILITPTLVLL GTALAMMTET GRSGMLNPGP HGFSEVLYAV SSAANNNGSA FAGLNANTPF
WNCLLAFCMF VGRFGVIIPV MAIAGSLVGK KRQPASPGTL PTHGALFVGL LIGTVLLVGA
LTFIPALALG PVAEHLSLY