KDPA_CALS4
ID KDPA_CALS4 Reviewed; 561 AA.
AC Q8R8I5;
DT 15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2002, sequence version 1.
DT 25-MAY-2022, entry version 99.
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=TTE2012;
OS Caldanaerobacter subterraneus subsp. tengcongensis (strain DSM 15242 / JCM
OS 11007 / NBRC 100824 / MB4) (Thermoanaerobacter tengcongensis).
OC Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC Thermoanaerobacteraceae; Caldanaerobacter.
OX NCBI_TaxID=273068;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 15242 / JCM 11007 / NBRC 100824 / MB4;
RX PubMed=11997336; DOI=10.1101/gr.219302;
RA Bao Q., Tian Y., Li W., Xu Z., Xuan Z., Hu S., Dong W., Yang J., Chen Y.,
RA Xue Y., Xu Y., Lai X., Huang L., Dong X., Ma Y., Ling L., Tan H., Chen R.,
RA Wang J., Yu J., Yang H.;
RT "A complete sequence of the T. tengcongensis genome.";
RL Genome Res. 12:689-700(2002).
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}.
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DR EMBL; AE008691; AAM25190.1; -; Genomic_DNA.
DR RefSeq; WP_011026130.1; NC_003869.1.
DR AlphaFoldDB; Q8R8I5; -.
DR SMR; Q8R8I5; -.
DR STRING; 273068.TTE2012; -.
DR EnsemblBacteria; AAM25190; AAM25190; TTE2012.
DR KEGG; tte:TTE2012; -.
DR eggNOG; COG2060; Bacteria.
DR HOGENOM; CLU_018614_3_0_9; -.
DR OMA; RQGWAIL; -.
DR OrthoDB; 296671at2; -.
DR Proteomes; UP000000555; 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 Reference proteome; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..561
FT /note="Potassium-transporting ATPase potassium-binding
FT subunit"
FT /id="PRO_0000166538"
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 103..122
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 133..153
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 255..275
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 281..301
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 380..400
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 418..438
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 485..505
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
FT TRANSMEM 531..551
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00275"
SQ SEQUENCE 561 AA; 61495 MW; B60E25553D4A831B CRC64;
MYSNIELFTM IAIIVLLTKP LGTYMYNIFE YKPMRSDKIF LPVENFIYKI TGINPEEEMD
WKKYALTFLL VNMVMMIITY FILRVQQFLP LNPTGAKNME SSLAFNTVIS FMTNTNLQHY
AGEDGITFLS QMIVIVFLMF TSAASGLVTA AAIMRGLSKK TTNLGNFYAD FVRITVRLLL
PISMLATLIL VWQGVPQTFA GKVVVDTLEG GKQTIITGPV AVLESIKHLG TNGGGFFGAN
SSHPFENPTW LTNMIEMLLM MLLPTSLIYT YGLMINNKKH ALVLYISLFV IFILLAVGAV
YAENHPGVAY SKLHIYGKPY GNYEGKEVRF GVSQSPLFAT VTTAFTTGSV DSMHDSYTPL
GGAVPLILMM LNTIFGGDGA GLQNIIMYTI LTVFLTGLMV GRTPEYLGRK IETKEIKLIA
LAILVHPFLI LFSSALTVML KVGASSVTNP LYHGLTQVLY EFSSAAANNG SEFAGFIGNT
VFMNIMTGLV MFFGRYITII LMLAVAGSMA EKIPAPPSPG TFRTDNAIFG AIFIAVVLIV
GALTFFPAVI LGPISEFLSM T