ID   MDTI_ECODH              Reviewed;         109 AA.
AC   B1XF64;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=Spermidine export protein MdtI {ECO:0000255|HAMAP-Rule:MF_01597};
GN   Name=mdtI {ECO:0000255|HAMAP-Rule:MF_01597};
GN   OrderedLocusNames=ECDH10B_1732;
OS   Escherichia coli (strain K12 / DH10B).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=316385;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / DH10B;
RX   PubMed=18245285; DOI=10.1128/jb.01695-07;
RA   Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA   Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA   Posfai G., Weinstock G.M., Blattner F.R.;
RT   "The complete genome sequence of Escherichia coli DH10B: insights into the
RT   biology of a laboratory workhorse.";
RL   J. Bacteriol. 190:2597-2606(2008).
CC   -!- FUNCTION: Catalyzes the excretion of spermidine. {ECO:0000255|HAMAP-
CC       Rule:MF_01597}.
CC   -!- SUBUNIT: Forms a complex with MdtJ. {ECO:0000255|HAMAP-Rule:MF_01597}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01597}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01597}.
CC   -!- SIMILARITY: Belongs to the drug/metabolite transporter (DMT)
CC       superfamily. Small multidrug resistance (SMR) (TC 2.A.7.1) family. MdtI
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01597}.
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DR   EMBL; CP000948; ACB02805.1; -; Genomic_DNA.
DR   RefSeq; WP_000046661.1; NC_010473.1.
DR   AlphaFoldDB; B1XF64; -.
DR   SMR; B1XF64; -.
DR   GeneID; 66674510; -.
DR   KEGG; ecd:ECDH10B_1732; -.
DR   HOGENOM; CLU_133067_0_4_6; -.
DR   OMA; VAAGWIM; -.
DR   BioCyc; ECOL316385:ECDH10B_RS08875-MON; -.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:InterPro.
DR   GO; GO:0015606; F:spermidine transmembrane transporter activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0042221; P:response to chemical; IEA:UniProt.
DR   HAMAP; MF_01597; MdtI; 1.
DR   InterPro; IPR000390; Small_drug/metabolite_transptr.
DR   InterPro; IPR045324; Small_multidrug_res.
DR   InterPro; IPR023737; Spermidine_export_MdtI.
DR   PANTHER; PTHR30561; PTHR30561; 1.
DR   PANTHER; PTHR30561:SF6; PTHR30561:SF6; 1.
DR   Pfam; PF00893; Multi_Drug_Res; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..109
FT                   /note="Spermidine export protein MdtI"
FT                   /id="PRO_1000197310"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01597"
FT   TRANSMEM        36..56
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01597"
FT   TRANSMEM        64..84
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01597"
FT   TRANSMEM        88..108
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01597"
SQ   SEQUENCE   109 AA;  11720 MW;  BBDF61985CB7AE97 CRC64;
     MAQFEWVHAA WLALAIVLEI VANVFLKFSD GFRRKIFGLL SLAAVLAAFS ALSQAVKGID
     LSVAYALWGG FGIAATLAAG WILFGQRLNR KGWIGLVLLL AGMIMVKLA