ID A4MX42_HAEIF Unreviewed; 458 AA.
AC A4MX42;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 24-JAN-2024, entry version 44.
DE RecName: Full=Trk system potassium uptake protein {ECO:0000256|PIRNR:PIRNR006247};
GN ORFNames=CGSHi22121_05280 {ECO:0000313|EMBL:EDJ89861.1};
OS Haemophilus influenzae 22.1-21.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=374927 {ECO:0000313|EMBL:EDJ89861.1, ECO:0000313|Proteomes:UP000004131};
RN [1] {ECO:0000313|EMBL:EDJ89861.1, ECO:0000313|Proteomes:UP000004131}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=22.1-21 {ECO:0000313|EMBL:EDJ89861.1,
RC ECO:0000313|Proteomes:UP000004131};
RX PubMed=17550610; DOI=10.1186/gb-2007-8-6-r103;
RA Hogg J.S., Hu F.Z., Janto B., Boissy R., Hayes J., Keefe R., Post J.C.,
RA Ehrlich G.D.;
RT "Characterization and modeling of the Haemophilus influenzae core and
RT supragenomes based on the complete genomic sequences of Rd and 12 clinical
RT nontypeable strains.";
RL Genome Biol. 8:R103.1-R103.18(2007).
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; AAZD01000001; EDJ89861.1; -; Genomic_DNA.
DR AlphaFoldDB; A4MX42; -.
DR Proteomes; UP000004131; Unassembled WGS sequence.
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 NCBIfam; TIGR00933; 2a38; 1.
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 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..32
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 38..57
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 69..90
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 133..161
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 181..202
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 238..259
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 280..299
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 336..358
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 401..421
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 427..447
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 322
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 323
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
FT BINDING 439
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|PIRSR:PIRSR006247-1"
SQ SEQUENCE 458 AA; 50280 MW; 55F92BDB1C8351BB CRC64;
MRILSIIRII GILVMCFSGT MLVPAFVALI YGDGGGKAFM QAFMLSLTAG TLLWWPCHHH
KQELRSRDGF LIVVAFWLVL GSLATLPLLL FDSPHLTIAS AVFEAFSGLT TTGATVMTGL
DNLPKSILFY RQFLQWLGGM GIIVLAVAII PLLGIGGTQL YRAESSGPLK DQKSLPKISE
VAKALWIIYA SLTVLCAIAY WLSGMNLFDA IGHSFSTISN GGFSTHDASI GYFNQASIYW
VTTIFMLIGG VNFSLHISAF LALGKRNIWR NYWKDPEFRF FLTMQIIFIG IVSLSLYGYG
LVSDINEAVT KGALQLTSMS MTAGYTIFDI DNLPPFIGLL LVISAVIGGC GGSTTGGLKA
IRTLILWKQI DRELHSLIHP NLVQPIRIGK NRLAPRMIES IWAFFIIFIL VYWGCVFAVI
LCGMNTFDAM GAVFATLTNA GPGLGFIHES FYWCSRKC
//
