ID Q5NEJ1_FRATT Unreviewed; 484 AA.
AC Q5NEJ1;
DT 01-FEB-2005, integrated into UniProtKB/TrEMBL.
DT 01-FEB-2005, sequence version 1.
DT 27-MAR-2024, entry version 87.
DE RecName: Full=Trk system potassium uptake protein {ECO:0000256|PIRNR:PIRNR006247};
GN Name=trkH {ECO:0000313|EMBL:CAG46271.1};
GN OrderedLocusNames=FTT_1638 {ECO:0000313|EMBL:CAG46271.1};
OS Francisella tularensis subsp. tularensis (strain SCHU S4 / Schu 4).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Francisellaceae; Francisella.
OX NCBI_TaxID=177416 {ECO:0000313|EMBL:CAG46271.1, ECO:0000313|Proteomes:UP000001174};
RN [1] {ECO:0000313|EMBL:CAG46271.1, ECO:0000313|Proteomes:UP000001174}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCHU S4 / Schu 4 {ECO:0000313|Proteomes:UP000001174};
RX PubMed=15640799; DOI=10.1038/ng1499;
RA Larsson P., Oyston P.C.F., Chain P., Chu M., Duffield M., Fuxelius H.H.,
RA Garcia E., Halltorp G., Johansson D., Isherwood K., Karp P., Larsson E.,
RA Lui Y., Michell S., Prior J., Prior R., Sjostedt A., Svensson K.,
RA Thompson N., Vergez L., Wagg J., Wren B., Lindler L.E., Andersson S.G.,
RA Forsman M., Titball R.W.;
RT "The complete genome sequence of Francisella tularensis, the causative
RT agent of tularemia.";
RL Nat. Genet. 37:153-159(2005).
CC -!- FUNCTION: Low-affinity potassium transport system. Interacts with Trk
CC system potassium uptake protein TrkA. {ECO:0000256|PIRNR:PIRNR006247}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane
CC {ECO:0000256|ARBA:ARBA00004429, ECO:0000256|PIRNR:PIRNR006247}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004429,
CC ECO:0000256|PIRNR:PIRNR006247}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the TrkH potassium transport family.
CC {ECO:0000256|ARBA:ARBA00009137, ECO:0000256|PIRNR:PIRNR006247}.
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DR EMBL; AJ749949; CAG46271.1; -; Genomic_DNA.
DR RefSeq; WP_003022572.1; NZ_CP010290.1.
DR RefSeq; YP_170551.1; NC_006570.2.
DR AlphaFoldDB; Q5NEJ1; -.
DR EnsemblBacteria; CAG46271; CAG46271; FTT_1638.
DR KEGG; ftu:FTT_1638; -.
DR OrthoDB; 9810952at2; -.
DR Proteomes; UP000001174; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0015379; F:potassium:chloride symporter activity; IEA:InterPro.
DR InterPro; IPR003445; Cat_transpt.
DR InterPro; IPR004772; TrkH.
DR PANTHER; PTHR32024; TRK SYSTEM POTASSIUM UPTAKE PROTEIN TRKG-RELATED; 1.
DR PANTHER; PTHR32024:SF2; TRK SYSTEM POTASSIUM UPTAKE PROTEIN TRKG-RELATED; 1.
DR Pfam; PF02386; TrkH; 1.
DR PIRSF; PIRSF006247; TrkH; 1.
PE 3: Inferred from homology;
KW Cell inner membrane {ECO:0000256|ARBA:ARBA00022519,
KW ECO:0000256|PIRNR:PIRNR006247};
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475,
KW ECO:0000256|PIRNR:PIRNR006247};
KW Ion transport {ECO:0000256|ARBA:ARBA00023065,
KW ECO:0000256|PIRNR:PIRNR006247};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|PIRNR:PIRNR006247};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR006247-1};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|PIRNR:PIRNR006247};
KW Potassium transport {ECO:0000256|ARBA:ARBA00022538,
KW ECO:0000256|PIRNR:PIRNR006247};
KW Reference proteome {ECO:0000313|Proteomes:UP000001174};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|PIRNR:PIRNR006247}.
FT TRANSMEM 12..31
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 37..57
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 69..89
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 136..161
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 182..203
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 235..254
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 275..293
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 333..355
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 398..416
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 455..478
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT BINDING 111
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 112
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 221
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 319
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 436
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 437
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
SQ SEQUENCE 484 AA; 53566 MW; 95F6A951A61A7440 CRC64;
MMLSQKPKII GIFLMFLSLT MLSPLLVDYI YDEDNAYPFV LSFTVTFLCG FLLWFISRKS
NKKLSNRDGF LIVTLVWIFV TVFGAIPYMS FPGLNLSFTN AVFESVSGFT TTGGTVIEGL
DKLPHSILFY RQQTEFFGGM GIIVLSVAIL PLLGVGGMQL YKAEVSGQWK DDKIAPKISS
TAKALWMVYL LLTFLCFISY LLVGVEPFDA ICYTFSTVST GGFAPSDASM TDKPLGMLIV
CAIFLFLGAT SFKAHYIALS KFKISHYFRN IEFKAYFYFL FFTSFIVCIT IIAHTNDLSN
IFSIVTNSIF QVISISSSAG FVSDNNYYLW PSFLPIMLMF IAIIGGCGGS TAGGLKMIRA
ILFKEKAILE AKRVIHPQGV FTVKLGDIHI SEQALNRVSG FISVYIIIFA GGWLALLGCG
LDIPTAFSTI ATTLSNVGPG LGDIGSNFKN LPKEALWICN FAMIAGRLEI FTILVLFMPD
FWRK
//
