ID   MDTK_ENT38              Reviewed;         457 AA.
AC   A4W9T2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   25-MAY-2022, entry version 88.
DE   RecName: Full=Multidrug resistance protein MdtK {ECO:0000255|HAMAP-Rule:MF_00400};
DE   AltName: Full=Multidrug-efflux transporter {ECO:0000255|HAMAP-Rule:MF_00400};
GN   Name=mdtK {ECO:0000255|HAMAP-Rule:MF_00400}; OrderedLocusNames=Ent638_1783;
OS   Enterobacter sp. (strain 638).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Enterobacter.
OX   NCBI_TaxID=399742;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=638;
RX   PubMed=20485560; DOI=10.1371/journal.pgen.1000943;
RA   Taghavi S., van der Lelie D., Hoffman A., Zhang Y.B., Walla M.D.,
RA   Vangronsveld J., Newman L., Monchy S.;
RT   "Genome sequence of the plant growth promoting endophytic bacterium
RT   Enterobacter sp. 638.";
RL   PLoS Genet. 6:E1000943-E1000943(2010).
CC   -!- FUNCTION: Multidrug efflux pump that functions probably as a Na(+)/drug
CC       antiporter. {ECO:0000255|HAMAP-Rule:MF_00400}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00400}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00400}.
CC   -!- SIMILARITY: Belongs to the multi antimicrobial extrusion (MATE) (TC
CC       2.A.66.1) family. MdtK subfamily. {ECO:0000255|HAMAP-Rule:MF_00400}.
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DR   EMBL; CP000653; ABP60462.1; -; Genomic_DNA.
DR   RefSeq; WP_012017177.1; NC_009436.1.
DR   AlphaFoldDB; A4W9T2; -.
DR   SMR; A4W9T2; -.
DR   STRING; 399742.Ent638_1783; -.
DR   EnsemblBacteria; ABP60462; ABP60462; Ent638_1783.
DR   KEGG; ent:Ent638_1783; -.
DR   eggNOG; COG0534; Bacteria.
DR   HOGENOM; CLU_012893_6_0_6; -.
DR   OMA; EFWILLK; -.
DR   OrthoDB; 1415498at2; -.
DR   Proteomes; UP000000230; 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:0015297; F:antiporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0042910; F:xenobiotic transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006814; P:sodium ion transport; IEA:UniProtKB-UniRule.
DR   GO; GO:0006855; P:xenobiotic transmembrane transport; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00400; MdtK; 1.
DR   InterPro; IPR002528; MATE_fam.
DR   InterPro; IPR022913; Multidrug-R_MdtK.
DR   Pfam; PF01554; MatE; 2.
DR   PIRSF; PIRSF006603; DinF; 1.
DR   TIGRFAMs; TIGR00797; matE; 1.
PE   3: Inferred from homology;
KW   Antiport; Cell inner membrane; Cell membrane; Ion transport; Membrane;
KW   Sodium; Sodium transport; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..457
FT                   /note="Multidrug resistance protein MdtK"
FT                   /id="PRO_1000060797"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        53..73
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        93..113
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        127..147
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        160..180
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        189..209
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        243..263
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        276..296
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        314..334
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        357..377
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        387..407
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
FT   TRANSMEM        418..438
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00400"
SQ   SEQUENCE   457 AA;  49778 MW;  8B840778F77B424E CRC64;
     MQKYMLEARQ LLALAIPVII AQVAQTSMGF VDTVMAGGYS ATDMAAVAIG TSIWLPAILF
     GHGLLLALTP VIAQLNGSGR RERIAHQVRQ GFWLAGFVSI LIMVVLWNAG YIIRSMDNID
     PALADKAVGY LRALLWGAPG YLFFQVARNQ CEGLAKTKPG MVMGFIGLLV NIPVNYIFIY
     GHFGMPELGG VGCGVATAAV YWVMFFSMIS YVKRARSMRD IRNEQRFSKP DMDVLKRLAQ
     LGLPIALALF FEVTLFAVVA LLVSPLGIVD VAGHQIALNF SSLMFVLPMS LAAAVTIRVG
     YRLGQGSTLD AQTAARTGLG VGVCMAFCTA LFTVTLREQI ALLYNDNPEV ITLASQLMLL
     AAIYQLSDSI QVIGSGILRG YKDTRSIFFI TFTAYWVLGL PTGYILALTD LVVDRMGPAG
     FWMGFIIGLT SAAILMMLRM RFLQRQPSSV ILQRAAR