ID   EFEU_SHISS              Reviewed;         276 AA.
AC   Q3Z398;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 2.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Ferrous iron permease EfeU;
DE   AltName: Full=Fe(2+) ion permease EfeU;
DE   AltName: Full=Ferrous iron uptake protein;
GN   Name=efeU; Synonyms=ycdN; OrderedLocusNames=SSON_1036;
OS   Shigella sonnei (strain Ss046).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300269;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ss046;
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
CC   -!- FUNCTION: Uptake of Fe(2+) ions across the membrane. {ECO:0000250}.
CC   -!- SUBUNIT: Part of a ferrous iron transporter composed of EfeU, EfeO and
CC       EfeB. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000250}; Multi-pass
CC       membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the oxidase-dependent Fe transporter (OFeT) (TC
CC       9.A.10.1) family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAZ87764.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; CP000038; AAZ87764.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; Q3Z398; -.
DR   EnsemblBacteria; AAZ87764; AAZ87764; SSON_1036.
DR   KEGG; ssn:SSON_1036; -.
DR   HOGENOM; CLU_077905_0_0_6; -.
DR   Proteomes; UP000002529; Chromosome.
DR   GO; GO:0033573; C:high-affinity iron permease complex; IEA:InterPro.
DR   GO; GO:0005381; F:iron ion transmembrane transporter activity; IEA:InterPro.
DR   GO; GO:0055072; P:iron ion homeostasis; IEA:UniProtKB-KW.
DR   InterPro; IPR005217; FTR1-like.
DR   InterPro; IPR004923; FTR1/Fip1/EfeU.
DR   InterPro; IPR036259; MFS_trans_sf.
DR   PANTHER; PTHR31632; PTHR31632; 1.
DR   Pfam; PF03239; FTR1; 1.
DR   SUPFAM; SSF103473; SSF103473; 1.
DR   TIGRFAMs; TIGR00145; TIGR00145; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Ion transport; Iron; Iron transport;
KW   Membrane; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..276
FT                   /note="Ferrous iron permease EfeU"
FT                   /id="PRO_0000277548"
FT   TOPO_DOM        1
FT                   /note="Periplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        2..22
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        23..34
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        35..55
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        56..69
FT                   /note="Periplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        70..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        91..118
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        119..139
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        140..147
FT                   /note="Periplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        148..168
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        169..179
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        180..200
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        201..244
FT                   /note="Periplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        245..265
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        266..276
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   276 AA;  30344 MW;  D622043A62586F45 CRC64;
     MFVPFLIMLR EGLEAALIVS LIASYLKRTQ RGRWIGVMWI GVLLAAALCL GLGIFINETT
     GEFPQKEQEL FEGIVAVIAV VILTWMVFWM RKVSRNVKVQ LEQAVDSALQ RGNHHGWALV
     MMVFFAVARE GLESVFFLLA AFQQDVGIWP PLGAMLGLAT AVVLGFLLYW GGIRLNLGAF
     FKWTSLFILF VAAGLAAGAI RAFHEAGLWN HFQEIAFDMS AVLSTHSLFG TLMEGIFGYQ
     EAPSVSEVAV WFIYLIPALV AFALPPRAGA TASRSA