ID   KUP2_MAGSA              Reviewed;         643 AA.
AC   Q2W905;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   10-JAN-2006, sequence version 1.
DT   25-MAY-2022, entry version 84.
DE   RecName: Full=Probable potassium transport system protein kup 2 {ECO:0000255|HAMAP-Rule:MF_01522};
GN   Name=kup2 {ECO:0000255|HAMAP-Rule:MF_01522}; OrderedLocusNames=amb0866;
OS   Magnetospirillum magneticum (strain AMB-1 / ATCC 700264).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Rhodospirillaceae; Magnetospirillum.
OX   NCBI_TaxID=342108;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AMB-1 / ATCC 700264;
RX   PubMed=16303747; DOI=10.1093/dnares/dsi002;
RA   Matsunaga T., Okamura Y., Fukuda Y., Wahyudi A.T., Murase Y., Takeyama H.;
RT   "Complete genome sequence of the facultative anaerobic magnetotactic
RT   bacterium Magnetospirillum sp. strain AMB-1.";
RL   DNA Res. 12:157-166(2005).
CC   -!- FUNCTION: Transport of potassium into the cell. {ECO:0000255|HAMAP-
CC       Rule:MF_01522}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01522}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01522}.
CC   -!- SIMILARITY: Belongs to the HAK/KUP transporter (TC 2.A.72) family.
CC       {ECO:0000255|HAMAP-Rule:MF_01522}.
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DR   EMBL; AP007255; BAE49670.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q2W905; -.
DR   EnsemblBacteria; BAE49670; BAE49670; amb0866.
DR   KEGG; mag:amb0866; -.
DR   HOGENOM; CLU_008142_4_2_5; -.
DR   OMA; LMIMCIV; -.
DR   Proteomes; UP000007058; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015079; F:potassium ion transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01522; Kup; 1.
DR   InterPro; IPR003855; K+_transporter.
DR   InterPro; IPR023051; K+_uptake_low_affin.
DR   PANTHER; PTHR30540; PTHR30540; 1.
DR   Pfam; PF02705; K_trans; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Ion transport; Membrane; Potassium;
KW   Potassium transport; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..643
FT                   /note="Probable potassium transport system protein kup 2"
FT                   /id="PRO_0000279800"
FT   TRANSMEM        27..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        70..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        120..140
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        157..177
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        185..205
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        231..251
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        267..287
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        300..320
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        357..377
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        389..409
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        419..439
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        440..460
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   REGION          1..20
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   643 AA;  70049 MW;  7E6B53D4A218299B CRC64;
     MSSHVPSFLR GTPDMTAHGG DGKSRNVAGL MLAAIGVVFG DIGTSPLYAM KETFSGPHAV
     AMDKGNILGV LSLVFWAITI IVSFKYVIII MRADNRGEGG SLALLALVSH AAESNRRLSL
     MVSALGIFAA ALFYGDSIIT PAISVLSAVE GLQVAAPHLE QWVVPLTIVI LFVLFAIQSH
     GTDLVGKMFG PVMLVWFLTL AILGIRNLSH APSVLAALSP HYAISFLFRE GWHAFLALGS
     VVLAVTGAEA LYTDMGHFGR LPIRLAWYLL VLPALILNYF GQGALLIYNP EAIANPFFNL
     APASLALPLV ILATLATVIA SQAVISGAFS VTRQAIQLGF LPRMEIIHTS EEEMGQIYLP
     FVNWLLMCMV MVLVVGFKTS SNLAAAYGVA VTGTMVIDAL LVGTVMLLIW KWNPRKVKWL
     IGGFLVVDLA FFLANSIKIP DGGWFPLVVG GLLFTILTTW KDGRKRLLAR LKADALPVED
     FLASLSDRVP RVPGTAVFLT GTSEGVPIAL LHNMKHNKIV HERVVLLTVI VEEVPFVPEE
     RRLENRLLAP NFHRVFLRYG FMESPNIPKA LAHARTDQLG FFYEPMSVSY FVSRETLLPT
     EKPGLRGLRD TLFATLARMA TSAMDFFHLP SNRVVELGSQ IEI