ID A0A429S4Y3_9ACTN Unreviewed; 716 AA.
AC A0A429S4Y3;
DT 08-MAY-2019, integrated into UniProtKB/TrEMBL.
DT 08-MAY-2019, sequence version 1.
DT 13-SEP-2023, entry version 17.
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:RSS81735.1};
GN ORFNames=EF918_09250 {ECO:0000313|EMBL:RSS81735.1};
OS Streptomyces sp. WAC06614.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2487416 {ECO:0000313|EMBL:RSS81735.1, ECO:0000313|Proteomes:UP000277644};
RN [1] {ECO:0000313|EMBL:RSS81735.1, ECO:0000313|Proteomes:UP000277644}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WAC06614 {ECO:0000313|EMBL:RSS81735.1,
RC ECO:0000313|Proteomes:UP000277644};
RA Culp E., Yim G., Waglechner N., Wang W., Pawlowski A.C., Wright G.D.;
RT "Unmasking the antibiotic production potential of Actinomycetes through
RT CRISPR/Cas9 inactivate of ubiquitous gene clusters.";
RL Submitted (NOV-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|ARBA:ARBA00004651,
CC ECO:0000256|HAMAP-Rule:MF_00285}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004651, 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:RSS81735.1}.
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DR EMBL; RPRY01000045; RSS81735.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A429S4Y3; -.
DR OrthoDB; 9814270at2; -.
DR Proteomes; UP000277644; 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 SUPFAM; SSF81660; Metal cation-transporting ATPase, ATP-binding domain N; 1.
DR PROSITE; PS00154; ATPASE_E1_E2; 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}; Hydrolase {ECO:0000313|EMBL:RSS81735.1};
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}; Reference proteome {ECO:0000313|Proteomes:UP000277644};
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 60..79
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 85..105
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 243..266
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 278..301
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 617..635
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 647..669
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT TRANSMEM 689..712
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT REGION 1..31
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..18
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 331
FT /note="4-aspartylphosphate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 368
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 372
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 401..408
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 424
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 551
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
FT BINDING 555
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00285"
SQ SEQUENCE 716 AA; 75205 MW; FA542BA2B26AC980 CRC64;
MPPAAAQHVP PGLGTPPRTP INRPSRKRSG QVNLVDPELL AASAREAVGK LHPRELVKKP
VLFVVAVGSV LTTLSALIHP SVFTWVISVW LWLTVLFANL AEAVAEGRGR AQAESLRKAR
TDTVAVRLNH WTYGANLRHA ETEVVTPAEL QPFDFVVVEA GELIPADGDV VDGAAMVDES
AVTGESAPVL REAGGDRSGV TGGTTVLSDS VVVRVTSRPG HSFIDRMIAL VEGATRQKTP
NEIALNILLA ALTVIFILVV VAIQPMADYA HAAQSTTVLV ALLVTLIPTT IGALLSAIGI
AGMDRLVQRN VIAMSGRAVE AAGDVNTLLL DKTGTITLGN REAAAFIPLP GVDHLKVAEA
AQLSSLADET PEGRSVVALA HQYGLQPAAV GDLSNPRFTE FSARTRMSGI NLSWDNGAGC
AIRKGATAQV CDWVTMRGGT VPPEAEAWSA TVSESGGTPL LVAVHDWDGP RVLGIIHLKD
VVKEGIRERF AELRSMGIRT VMVTGDNELT ARAIAAEAGV DEYLAEATPE DKLALIKREQ
AGGKLVAMTG DGTNDAPALA QADVGVAMNT GTSAAKEAGN MVDLDSNPTK LIEIVEIGKQ
LLITRGALTT FSITNDVAKY FAIIPAMFTA AYPGLEALNI MGLSSPTSAI TSAIIFNALI
IIALIPLALR GVRYKPASAH DLLRRNLRVY GLGGLVLPFV GIKLIDLLVS TIPGLG
//