ID   A0A226C3K0_9FIRM        Unreviewed;       453 AA.
AC   A0A226C3K0;
DT   25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT   25-OCT-2017, sequence version 1.
DT   24-JAN-2024, entry version 15.
DE   RecName: Full=Trk system potassium uptake protein TrkA {ECO:0000256|ARBA:ARBA00017378};
GN   ORFNames=CDO51_00905 {ECO:0000313|EMBL:OWZ84990.1};
OS   Natranaerobius trueperi.
OC   Bacteria; Bacillota; Clostridia; Natranaerobiales; Natranaerobiaceae;
OC   Natranaerobius.
OX   NCBI_TaxID=759412 {ECO:0000313|EMBL:OWZ84990.1, ECO:0000313|Proteomes:UP000214588};
RN   [1] {ECO:0000313|EMBL:OWZ84990.1, ECO:0000313|Proteomes:UP000214588}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 18760 {ECO:0000313|EMBL:OWZ84990.1,
RC   ECO:0000313|Proteomes:UP000214588};
RA   Zhao B.;
RT   "Draft Genome Sequence of Natranaerobius trueperi halophilic,
RT   alkalithermophilic bacteria from soda lakes.";
RL   Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
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:OWZ84990.1}.
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DR   EMBL; NIQC01000001; OWZ84990.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A226C3K0; -.
DR   OrthoDB; 9775180at2; -.
DR   Proteomes; UP000214588; Unassembled WGS sequence.
DR   GO; GO:0005886; C:plasma membrane; IEA:InterPro.
DR   GO; GO:0015079; F:potassium ion transmembrane transporter activity; IEA:InterPro.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 2.
DR   Gene3D; 3.30.70.1450; Regulator of K+ conductance, C-terminal domain; 2.
DR   InterPro; IPR006036; K_uptake_TrkA.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR006037; RCK_C.
DR   InterPro; IPR036721; RCK_C_sf.
DR   InterPro; IPR003148; RCK_N.
DR   PANTHER; PTHR43833; POTASSIUM CHANNEL PROTEIN 2-RELATED-RELATED; 1.
DR   PANTHER; PTHR43833:SF5; TRK SYSTEM POTASSIUM UPTAKE PROTEIN TRKA; 1.
DR   Pfam; PF02080; TrkA_C; 2.
DR   Pfam; PF02254; TrkA_N; 2.
DR   PRINTS; PR00335; KUPTAKETRKA.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 2.
DR   SUPFAM; SSF116726; TrkA C-terminal domain-like; 2.
DR   PROSITE; PS51202; RCK_C; 2.
DR   PROSITE; PS51201; RCK_N; 2.
PE   4: Predicted;
KW   NAD {ECO:0000256|ARBA:ARBA00023027};
KW   Reference proteome {ECO:0000313|Proteomes:UP000214588}.
FT   DOMAIN          2..129
FT                   /note="RCK N-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51201"
FT   DOMAIN          141..223
FT                   /note="RCK C-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51202"
FT   DOMAIN          230..357
FT                   /note="RCK N-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51201"
FT   DOMAIN          370..451
FT                   /note="RCK C-terminal"
FT                   /evidence="ECO:0000259|PROSITE:PS51202"
SQ   SEQUENCE   453 AA;  49829 MW;  22748CD358B04A8D CRC64;
     MRVIIVGGGT IGVELARKLS EKDQDVVLIE KSSEKISKIS RNLDIMLVQG NGASFKILEQ
     AGISQADLLI AVTEIDEVNI IACMLAKGYD VNKTVARIRN PEYTEGTQVF SHDQLGIDII
     INPELVTAQE MAKMIRTPNV QGVEYFADGK VQMVGIIVEE KSPIAHKLVK DIDFPYSSNI
     VAILRGKKQV IIPGGTDEIL PGDEIYLIGQ KGLISSLGHF TRHPKKKPQN VLIIGGGRIG
     YQLCNILEKN MSRKNQMNIK LVEEDEKSCE QLVEDLNKTM VLKGDGTNLK FLQEEDLKDV
     DVVVSATGDD KTNLLSSVMS RELGADKTIV EVIKEDYEAV LDNMQVDKAI SPRTLTAAKI
     LQLIRDDIVI SMAILGNEKA EITELIVPNN APVANKKLIE AKFPRGILIG AIVRQDQIII
     PGGQDVILPG DRVIIFATSK TNKLVDKYFS KPK
//