ID   KUP_ERYLH               Reviewed;         622 AA.
AC   Q2NBS1;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   25-MAY-2022, entry version 84.
DE   RecName: Full=Probable potassium transport system protein kup {ECO:0000255|HAMAP-Rule:MF_01522};
GN   Name=kup {ECO:0000255|HAMAP-Rule:MF_01522}; OrderedLocusNames=ELI_03890;
OS   Erythrobacter litoralis (strain HTCC2594).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Erythrobacteraceae; Erythrobacter/Porphyrobacter group; Erythrobacter.
OX   NCBI_TaxID=314225;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC2594;
RX   PubMed=19168610; DOI=10.1128/jb.00026-09;
RA   Oh H.M., Giovannoni S.J., Ferriera S., Johnson J., Cho J.C.;
RT   "Complete genome sequence of Erythrobacter litoralis HTCC2594.";
RL   J. Bacteriol. 191:2419-2420(2009).
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; CP000157; ABC62870.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q2NBS1; -.
DR   STRING; 314225.ELI_03890; -.
DR   EnsemblBacteria; ABC62870; ABC62870; ELI_03890.
DR   KEGG; eli:ELI_03890; -.
DR   eggNOG; COG3158; Bacteria.
DR   HOGENOM; CLU_008142_4_2_5; -.
DR   OMA; FDTCMVT; -.
DR   Proteomes; UP000008808; 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..622
FT                   /note="Probable potassium transport system protein kup"
FT                   /id="PRO_0000279782"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        44..64
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        95..115
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        133..153
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        165..185
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        199..219
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        243..263
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        290..310
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        338..358
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        370..390
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        395..415
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        422..442
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
SQ   SEQUENCE   622 AA;  67822 MW;  9D3046843751A234 CRC64;
     MDSTTKLAIG AIGIVFGDIG TSPLYAFRET FVGPNPLPID YNHVLGVVSL IFWSMTLIVA
     IQYVTILMRA DNKGQGGSLA LVALISRSVR NTNYGWLVVL LGVFATSLFY GDSMITPAIS
     VLSAVEGLVV VDPELQGFVI PIALVLLVGL FVLQKRGTAK VGALFAPVMI VYFTVIATLG
     LISIVQHPEI LYALNPYYAV LFFINDGFLA FLALGSVVLA VTGSEALYSD MGHFGRGPMK
     LSWFGFVMPC LLLNYFGQGA MIVSLSGPEA QEAIQAPFFL LAPEMLRLPL VILATFATFI
     ASQAVISGAF SITHQAIQLG FVPRLSVRHT SDAHSGQIYI PVINWALMVA VILLVLTFQN
     SSNLASAYGI AVTGAVTIDT LLMAVLLVGV WKWKWYYAAP VVIVFLIIDG AYFAANLTKV
     PDGGWFPLVV GLIVFTLLTT WARGRKLMRE RMSEVALPIE IFAKSAHNSA TRVPGTAIFM
     ASSTAGVPSA LLHNIKHNKV LHERVVILTV EISDIPYVDP AKRCEYSEIG QGIYRAILHY
     GFMEETNVPE GLKSMQQCGG EFDMMQTSFF LSRQTLLPSD KPGMPIWREK IFAWMLRNAA
     TAMEFFGLPT NRVVELGSQV RI