ID A0A2T2YE78_9BACT Unreviewed; 680 AA.
AC A0A2T2YE78;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=Potassium-transporting ATPase ATP-binding subunit {ECO:0000256|HAMAP-Rule:MF_00285};
DE EC=7.2.2.6 {ECO:0000256|HAMAP-Rule:MF_00285};
DE AltName: Full=ATP phosphohydrolase [potassium-transporting] B chain {ECO:0000256|HAMAP-Rule:MF_00285};
DE AltName: Full=Potassium-binding and translocating subunit B {ECO:0000256|HAMAP-Rule:MF_00285};
DE AltName: Full=Potassium-translocating ATPase B chain {ECO:0000256|HAMAP-Rule:MF_00285};
GN Name=kdpB {ECO:0000256|HAMAP-Rule:MF_00285,
GN ECO:0000313|EMBL:PSR53793.1};
GN ORFNames=AHMF7605_09800 {ECO:0000313|EMBL:PSR53793.1};
OS Adhaeribacter arboris.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Hymenobacteraceae;
OC Adhaeribacter.
OX NCBI_TaxID=2072846 {ECO:0000313|EMBL:PSR53793.1, ECO:0000313|Proteomes:UP000240357};
RN [1] {ECO:0000313|EMBL:PSR53793.1, ECO:0000313|Proteomes:UP000240357}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HMF7605 {ECO:0000313|EMBL:PSR53793.1,
RC ECO:0000313|Proteomes:UP000240357};
RA Kang H., Kang J., Cha I., Kim H., Joh K.;
RT "Adhaeribacter sp. HMF7605 Genome sequencing and assembly.";
RL Submitted (MAR-2018) 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 is
CC responsible for energy coupling to the transport system and for the
CC release of the potassium ions to the cytoplasm. {ECO:0000256|HAMAP-
CC Rule:MF_00285}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + K(+)(out) = ADP + H(+) + K(+)(in) + phosphate;
CC Xref=Rhea:RHEA:16777, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:29103, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:456216; EC=7.2.2.6; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_00285};
CC -!- SUBUNIT: The system is composed of three essential subunits: KdpA, KdpB
CC and KdpC. {ECO:0000256|HAMAP-Rule:MF_00285}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|HAMAP-Rule:MF_00285};
CC Multi-pass membrane protein {ECO:0000256|HAMAP-Rule:MF_00285}.
CC -!- SIMILARITY: Belongs to the cation transport ATPase (P-type) (TC 3.A.3)
CC family. Type IA subfamily. {ECO:0000256|HAMAP-Rule:MF_00285}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PSR53793.1}.
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DR EMBL; PYFT01000001; PSR53793.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2T2YE78; -.
DR OrthoDB; 1521937at2; -.
DR Proteomes; UP000240357; Unassembled WGS sequence.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008556; F:P-type potassium transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR CDD; cd02078; P-type_ATPase_K; 1.
DR Gene3D; 3.40.1110.10; Calcium-transporting ATPase, cytoplasmic domain N; 1.
DR Gene3D; 2.70.150.10; Calcium-transporting ATPase, cytoplasmic transduction domain A; 1.
DR Gene3D; 3.40.50.1000; HAD superfamily/HAD-like; 1.
DR HAMAP; MF_00285; KdpB; 1.
DR InterPro; IPR023299; ATPase_P-typ_cyto_dom_N.
DR InterPro; IPR018303; ATPase_P-typ_P_site.
DR InterPro; IPR023298; ATPase_P-typ_TM_dom_sf.
DR InterPro; IPR008250; ATPase_P-typ_transduc_dom_A_sf.
DR InterPro; IPR036412; HAD-like_sf.
DR InterPro; IPR023214; HAD_sf.
DR InterPro; IPR006391; P-type_ATPase_bsu_IA.
DR InterPro; IPR001757; P_typ_ATPase.
DR InterPro; IPR044492; P_typ_ATPase_HD_dom.
DR NCBIfam; TIGR01494; ATPase_P-type; 2.
DR NCBIfam; TIGR01497; kdpB; 1.
DR PANTHER; PTHR43743; POTASSIUM-TRANSPORTING ATPASE ATP-BINDING SUBUNIT; 1.
DR PANTHER; PTHR43743:SF1; POTASSIUM-TRANSPORTING ATPASE ATP-BINDING SUBUNIT; 1.
DR Pfam; PF00122; E1-E2_ATPase; 1.
DR Pfam; PF00702; Hydrolase; 1.
DR PRINTS; PR00119; CATATPASE.
DR SFLD; SFLDS00003; Haloacid_Dehalogenase; 1.
DR SFLD; SFLDF00027; p-type_atpase; 1.
DR SUPFAM; SSF81653; Calcium ATPase, transduction domain A; 1.
DR SUPFAM; SSF81665; Calcium ATPase, transmembrane domain M; 1.
DR SUPFAM; SSF56784; HAD-like; 1.
DR PROSITE; PS00154; ATPASE_E1_E2; 1.
DR PROSITE; PS01229; COF_2; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_00285};
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Ion transport {ECO:0000256|ARBA:ARBA00023065, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00285};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00285};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00285};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00285};
KW Phosphoprotein {ECO:0000256|ARBA:ARBA00022553, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_00285};
KW Potassium transport {ECO:0000256|ARBA:ARBA00022538, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Translocase {ECO:0000256|ARBA:ARBA00022967, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_00285};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_00285}.
FT TRANSMEM 35..57
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 63..84
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 218..242
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 248..273
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 587..605
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 617..636
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 656..679
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT ACT_SITE 306
FT /note="4-aspartylphosphate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 343
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 347
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 376..383
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 395
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 518
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 522
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
SQ SEQUENCE 680 AA; 72545 MW; 899F79DE7AE1F739 CRC64;
MTSKNTSLFQ KDLVGEALQQ AFVKLNPKSM FRNPVMFTVE IGTFIMLLVS GSTLILPDKT
QGSFGYNCTI FLVLFLTLLF ANFAEAIAEA RGKAQANSLR KTREETPALV VLPDGSQKTI
SSSQLKKGDV FLVKAGELIP TDGEIVEGLA TIDESAITGE SAPVIREAVG DKSSVTGGTK
VLSDKIKVIV TTEPGESFLD KMIALVEGAS RQKTPNEIAL TILLAGFTLV FVIVCVTLKP
FADYANTPIT IAALISLFVC LIPTTIGGLL SAIGIAGMDR ALRANVITKS GKAVETAGDI
DVLLLDKTGT ITIGNRKATS FYARHLIDET HFIRTSYLSS LSDNTPEGKS IVELANSRNG
SPINGIKLPD SAFVKFTAET RSSGVDLPDG TRIRKGAYDA IRTLTEKAGN PFPEDIAVKV
KDISSNGGTP LVVSENENVL GVIELQDIIK TGISERFERL RKMGVKTVMV TGDNPLTAKF
IAEKAGVDDF IAEAKPEDKM NYIKAEQAQG KLVAMMGDGT NDAPALAQAD VGVAMNSGTQ
AAKEAGNMVD LDNDPTKLIE IVEIGKQLLM TRGTLTTFSI ANDVAKYFAI VPALFIAAIP
ALQGLNIMRL SSPESAILSA VIFNAIIIPF LIPLALKGVE YKPIGASALL RRNLLYYGFG
GVIIPFIGIK VIDMVVSLFI
//
