ID   FIEF_SHIBS              Reviewed;         300 AA.
AC   Q31U75;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Cation-efflux pump FieF {ECO:0000255|HAMAP-Rule:MF_01425};
GN   Name=fieF {ECO:0000255|HAMAP-Rule:MF_01425}; OrderedLocusNames=SBO_3932;
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227;
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: Divalent metal cation transporter which exports Zn(2+),
CC       Cd(2+) and possibly Fe(2+). May be involved in zinc and iron
CC       detoxification by efflux. {ECO:0000255|HAMAP-Rule:MF_01425}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+)(out) + Zn(2+)(in) = H(+)(in) + Zn(2+)(out);
CC         Xref=Rhea:RHEA:28839, ChEBI:CHEBI:15378, ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01425};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Cd(2+)(in) + H(+)(out) = Cd(2+)(out) + H(+)(in);
CC         Xref=Rhea:RHEA:28739, ChEBI:CHEBI:15378, ChEBI:CHEBI:48775;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01425};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Fe(2+)(in) + H(+)(out) = Fe(2+)(out) + H(+)(in);
CC         Xref=Rhea:RHEA:29439, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01425};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01425}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01425}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01425}.
CC   -!- SIMILARITY: Belongs to the cation diffusion facilitator (CDF)
CC       transporter (TC 2.A.4) family. FieF subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01425}.
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DR   EMBL; CP000036; ABB68383.1; -; Genomic_DNA.
DR   RefSeq; WP_001076735.1; NC_007613.1.
DR   AlphaFoldDB; Q31U75; -.
DR   SMR; Q31U75; -.
DR   EnsemblBacteria; ABB68383; ABB68383; SBO_3932.
DR   KEGG; sbo:SBO_3932; -.
DR   HOGENOM; CLU_013430_3_0_6; -.
DR   OMA; IEMHLIV; -.
DR   Proteomes; UP000007067; 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:0046873; F:metal ion transmembrane transporter activity; IEA:InterPro.
DR   GO; GO:0006826; P:iron ion transport; IEA:InterPro.
DR   GO; GO:0006829; P:zinc ion transport; IEA:InterPro.
DR   Gene3D; 1.20.1510.10; -; 1.
DR   Gene3D; 3.30.70.1350; -; 1.
DR   HAMAP; MF_01425; Cation_efflux_FieF; 1.
DR   InterPro; IPR002524; Cation_efflux.
DR   InterPro; IPR027470; Cation_efflux_CTD.
DR   InterPro; IPR036837; Cation_efflux_CTD_sf.
DR   InterPro; IPR023783; Cation_efflux_FieF.
DR   InterPro; IPR027469; Cation_efflux_TMD_sf.
DR   Pfam; PF01545; Cation_efflux; 1.
DR   Pfam; PF16916; ZT_dimer; 1.
DR   SUPFAM; SSF160240; SSF160240; 1.
DR   SUPFAM; SSF161111; SSF161111; 1.
DR   TIGRFAMs; TIGR01297; CDF; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Ion transport; Iron; Iron transport;
KW   Membrane; Metal-binding; Transmembrane; Transmembrane helix; Transport;
KW   Zinc; Zinc transport.
FT   CHAIN           1..300
FT                   /note="Cation-efflux pump FieF"
FT                   /id="PRO_1000024328"
FT   TRANSMEM        12..32
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   TRANSMEM        39..59
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   TRANSMEM        82..102
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   TRANSMEM        114..134
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   TRANSMEM        156..176
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   TRANSMEM        178..198
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   BINDING         45
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   BINDING         49
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   BINDING         153
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
FT   BINDING         157
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01425"
SQ   SEQUENCE   300 AA;  32939 MW;  3B2434C7117779EE CRC64;
     MNQSYGRLVS RAAIAATAMA SLLLLIKIFA WWYTGSVSIL AALVDSLVDI GASLTNLLVV
     RYSLQPADDN HSFGHGKAES LAALAQSMFI SGSALFLFLT GIQHLISPTP MIDPGVGVIV
     TIVALICTII LVSFQRWVVR RTQSQAVRAD MLHYQSDVMM NGAILLALGL SWYGWHRADA
     LFALGIGIYI LYSALRMGYE AVQSLLDRAL PDEERQEIID IVTSWPGVSG AHDLRTRQSG
     PTRFIQIHLE MEDSLPLVQA HMVADQVEQA ILRRFPGSDV IIHQDPCSVV PREGKRSMLS