ID   CRCB_CAMJE              Reviewed;         122 AA.
AC   Q9PHZ4; Q0PAZ8;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 108.
DE   RecName: Full=Putative fluoride ion transporter CrcB {ECO:0000255|HAMAP-Rule:MF_00454};
GN   Name=crcB {ECO:0000255|HAMAP-Rule:MF_00454}; OrderedLocusNames=Cj0517;
OS   Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC
OS   11168).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=192222;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700819 / NCTC 11168;
RX   PubMed=10688204; DOI=10.1038/35001088;
RA   Parkhill J., Wren B.W., Mungall K.L., Ketley J.M., Churcher C.M.,
RA   Basham D., Chillingworth T., Davies R.M., Feltwell T., Holroyd S.,
RA   Jagels K., Karlyshev A.V., Moule S., Pallen M.J., Penn C.W., Quail M.A.,
RA   Rajandream M.A., Rutherford K.M., van Vliet A.H.M., Whitehead S.,
RA   Barrell B.G.;
RT   "The genome sequence of the food-borne pathogen Campylobacter jejuni
RT   reveals hypervariable sequences.";
RL   Nature 403:665-668(2000).
CC   -!- FUNCTION: Important for reducing fluoride concentration in the cell,
CC       thus reducing its toxicity. {ECO:0000255|HAMAP-Rule:MF_00454}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00454}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00454}.
CC   -!- SIMILARITY: Belongs to the CrcB (TC 9.B.71) family. {ECO:0000255|HAMAP-
CC       Rule:MF_00454}.
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DR   EMBL; AL111168; CAL34664.1; -; Genomic_DNA.
DR   PIR; F81397; F81397.
DR   RefSeq; WP_002858490.1; NC_002163.1.
DR   RefSeq; YP_002343949.1; NC_002163.1.
DR   AlphaFoldDB; Q9PHZ4; -.
DR   SMR; Q9PHZ4; -.
DR   IntAct; Q9PHZ4; 2.
DR   STRING; 192222.Cj0517; -.
DR   TCDB; 1.A.43.1.11; the camphor resistance or fluoride exporter (fluc) family.
DR   PaxDb; Q9PHZ4; -.
DR   PRIDE; Q9PHZ4; -.
DR   EnsemblBacteria; CAL34664; CAL34664; Cj0517.
DR   GeneID; 904846; -.
DR   KEGG; cje:Cj0517; -.
DR   PATRIC; fig|192222.6.peg.510; -.
DR   eggNOG; COG0239; Bacteria.
DR   HOGENOM; CLU_114342_3_0_7; -.
DR   OMA; FLMFESF; -.
DR   Proteomes; UP000000799; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:1903425; F:fluoride transmembrane transporter activity; IEA:UniProt.
DR   HAMAP; MF_00454; CrcB; 1.
DR   InterPro; IPR003691; CrcB.
DR   PANTHER; PTHR28259; PTHR28259; 1.
DR   Pfam; PF02537; CRCB; 1.
DR   TIGRFAMs; TIGR00494; crcB; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Reference proteome;
KW   Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..122
FT                   /note="Putative fluoride ion transporter CrcB"
FT                   /id="PRO_0000110081"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        33..53
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        101..121
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
SQ   SEQUENCE   122 AA;  13514 MW;  431772217B068D31 CRC64;
     MLNTLLVVGF GGFIGAILRM LSINLVNKFF PYSISFGTLF VNVLGSFIIG LLFSYAQNKG
     LSPLLKSFIS TGFLGAFTTF STFSYQNLLL LQSGNYLHFA LNIILNVFLC LFAAWLGFLI
     FK