ID   MDTI_ECOBW              Reviewed;         109 AA.
AC   C4ZY62;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   28-JUL-2009, sequence version 1.
DT   03-AUG-2022, entry version 61.
DE   RecName: Full=Spermidine export protein MdtI {ECO:0000255|HAMAP-Rule:MF_01597};
GN   Name=mdtI {ECO:0000255|HAMAP-Rule:MF_01597}; OrderedLocusNames=BWG_1414;
OS   Escherichia coli (strain K12 / MC4100 / BW2952).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=595496;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MC4100 / BW2952;
RX   PubMed=19376874; DOI=10.1128/jb.00118-09;
RA   Ferenci T., Zhou Z., Betteridge T., Ren Y., Liu Y., Feng L., Reeves P.R.,
RA   Wang L.;
RT   "Genomic sequencing reveals regulatory mutations and recombinational events
RT   in the widely used MC4100 lineage of Escherichia coli K-12.";
RL   J. Bacteriol. 191:4025-4029(2009).
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; CP001396; ACR63817.1; -; Genomic_DNA.
DR   RefSeq; WP_000046661.1; NC_012759.1.
DR   AlphaFoldDB; C4ZY62; -.
DR   SMR; C4ZY62; -.
DR   GeneID; 66674510; -.
DR   KEGG; ebw:BWG_1414; -.
DR   HOGENOM; CLU_133067_0_4_6; -.
DR   OMA; VAAGWIM; -.
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_1000215674"
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