ID   KUP3_RHOPA              Reviewed;         651 AA.
AC   Q6N893;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=Probable potassium transport system protein kup 3 {ECO:0000255|HAMAP-Rule:MF_01522};
GN   Name=kup3 {ECO:0000255|HAMAP-Rule:MF_01522}; OrderedLocusNames=RPA2011;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
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; BX572599; CAE27452.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6N893; -.
DR   STRING; 258594.RPA2011; -.
DR   PRIDE; Q6N893; -.
DR   EnsemblBacteria; CAE27452; CAE27452; RPA2011.
DR   KEGG; rpa:RPA2011; -.
DR   eggNOG; COG3158; Bacteria.
DR   HOGENOM; CLU_008142_4_2_5; -.
DR   OMA; AADQFEI; -.
DR   PhylomeDB; Q6N893; -.
DR   Proteomes; UP000001426; 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..651
FT                   /note="Probable potassium transport system protein kup 3"
FT                   /id="PRO_0000209053"
FT   TRANSMEM        38..58
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        77..97
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        129..149
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        166..186
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        197..217
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        242..262
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        276..296
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        314..334
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        366..386
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        396..416
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        421..441
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
FT   TRANSMEM        448..468
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01522"
SQ   SEQUENCE   651 AA;  70150 MW;  A6094AE128B2CA33 CRC64;
     MVLAGVAQRP WIKSCDRAFY GSMALSAATT EAPEQTGFWA LTLGGIGVVF GDIGTSPLYA
     FREAVAGAAG GAPASRVLVL GVLSLILWAL LIVVTAKYVL LLLRADNNGE GGTLSLMALG
     RRALGRRSLF LLVLGVIGAS MFIGDSMITP AISVLSAIEG LKIAAPALEH YVVPLTVLVL
     VLLFGVQSHG TAIVARFFGP VMLVWFATLA AMGAMHIMDD PSVLAAINPW YAAQFLASHG
     TIGLVTLGAV FLAVTGGEAL YADLGHFGRR PIQTAWLGFV LPALLINYFG QGALVLSNPA
     ALENPFYKMV PEALVLPLTL MATAATVIAS QAVITGAFSL ISQAVQLGLL PRFEVRYTSE
     TNAGQIYLPR VNALLLIGVL LLVLLFQTSS RLASAYGIAV STTMVVDGIM GFVVIWKLWR
     WSWPAAALVI LPLVLVDAMF FSANLLKLLD GAWVPLLFGL AMAVVIWTWR RGVALLMIKS
     RRAEVPLDDL IGSLEKHPPH IVKGTAVFLT ADAEFVPPAL LHNLKHNKVL HEHNVILTIE
     TMHTPRVEAA DRIRLVKVSE KFSKVALRFG FMETPNVPKA LVLARKLGWE FDIMSTSFFV
     SRRSLKPAAQ SEMWRWQTKL FVALAKSAND ATDYFQIPTG RVVEVGAQVT I